Abstract

The invention relates to a regenerator of temperature comprising a plurality of elastomeric material tubes, at least one actuator, a first and a second boxes, each having a bottom with a plurality of holes therein, their respective bottoms facing each other, each hole of the first box being in fluid communication with a hole of the second box by means of one tube, at least one of the first or second boxes being translatable by the actuator so that elastomeric material tubes undergo successively stretching and release conditions, at least one of the first or second boxes having means for sucking into said box and then discharging from said box the fluid flowing through the tubes.

IPC Classes  ?

• F25B 21/00 - Machines, plants or systems, using electric or magnetic effects

Abstract

The invention relates to a photodetector comprising a support layer (10), a lattice structure (20) and an active layer (30). The lattice structure (20), referred to as photonic crystal structure, comprises a structured layer (22) formed of patterns (22.1) and of a continuous sublayer (22.2) with a non-zero constant thickness eccs, the patterns (22.1) widening in a direction oriented towards the continuous sublayer (22.2). Moreover, the photonic crystal structure (20) has dimensions such that the structured layer (22) forms a photonic crystal that supports at least one guided mode able to be excited by the incident light radiation of interest, the photonic crystal being optically coupled to the active layer (30) such that the guided mode is optically confined in the structured layer (22) and the active layer (30).

IPC Classes  ?

• H01L 31/0232 - Optical elements or arrangements associated with the device
• H01L 31/18 - Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof

Abstract

The present invention relates to a device (10) for the localised treatment of a tissue, the device comprising: - an endoscopic injection needle (14); - at least one stimulation element (22) arranged around the injection needle (14), comprising at least two electrodes (26) in the form of shape-memory rods; wherein the injection needle (14) and the stimulation element (22) are each electrically connected to a separate electrical conductor (32); - a tube (28) intended to house the injection needle (14) and the stimulation element (22) in a retracted state of the device (10); wherein the injection needle (14) and the stimulation element (22) are movable in the tube (28) such that, in a deployed state of the device (10), the injection needle (14) extends at least partially out of the tube (28) and the electrodes (26) extend out of the tube (28) in a predetermined shape.

IPC Classes  ?

• A61B 18/14 - Probes or electrodes therefor
• A61N 1/32 - Applying electric currents by contact electrodes alternating or intermittent currents
• A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
• A61N 1/05 - Electrodes for implantation or insertion into the body, e.g. heart electrode
• A61N 1/40 - Applying electric fields by inductive or capacitive coupling

Abstract

A magnetic resonance imaging system that includes an array of antennas that includes a substrate, a plurality of antennas arranged on a first face of the substrate, and a plurality of guard rings. The guard rings are arranged only on the second face of the substrate, opposite the first face. A projection of each of the antennas on the second face of the substrate being circumscribed within a specific guard ring. The guard rings are spaced apart from one another.

IPC Classes  ?

• G01R 33/34 - Constructional details, e.g. resonators

Abstract

The invention relates to a system for controlling the deposition of thin layers by gas phase growth in a deposition reactor (10), the gas phase corresponding to a gaseous state or a plasma state, the control system comprising: - a hollow cathode lamp (2); - an optical cavity (3) that contains at least two mirrors (31) and is configured such that light emitted by the light source (2) is trapped in the optical cavity (3) and interacts with the gas phase, resulting in the deposition of thin layers; and - a light analysis system (4) which is configured to analyze light emitted by the hollow cathode lamp (2) and passing through the optical cavity (3), by measuring the optical absorbance of at least one species of the gas phase penetrated by said light.

IPC Classes  ?

• G01J 3/10 - Arrangements of light sources specially adapted for spectrometry or colorimetry
• G01J 3/28 - Investigating the spectrum
• G01J 3/42 - Absorption spectrometryDouble-beam spectrometryFlicker spectrometryReflection spectrometry
• G01N 21/03 - Cuvette constructions
• G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
• G01J 3/02 - SpectrometrySpectrophotometryMonochromatorsMeasuring colours Details
• G01J 3/433 - Modulation spectrometryDerivative spectrometry
• C23C 14/54 - Controlling or regulating the coating process
• C23C 16/52 - Controlling or regulating the coating process
• G01J 3/18 - Generating the spectrumMonochromators using diffraction elements, e.g. grating
• H01J 37/32 - Gas-filled discharge tubes
• G01N 21/84 - Systems specially adapted for particular applications

Abstract

The invention relates to a system for controlling the deposition of thin layers by gas phase growth in a deposition reactor (10), the gas phase corresponding to a gaseous state or a plasma state, the control system comprising: - a continuous light source (2); - an optical cavity (3) comprising at least two mirrors, and configured such that a light emitted by the light source is trapped in the optical cavity and interacts with the gas phase, resulting in the deposition of thin layers; and - a spectrometer (4) which is configured to analyze light emitted by the light source (2) and passing through the optical cavity (3), by measuring the optical absorbance of at least one species of the gas phase penetrated by said light.

IPC Classes  ?

• G01J 3/10 - Arrangements of light sources specially adapted for spectrometry or colorimetry
• G01J 3/28 - Investigating the spectrum
• G01J 3/42 - Absorption spectrometryDouble-beam spectrometryFlicker spectrometryReflection spectrometry
• G01N 21/03 - Cuvette constructions
• G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
• C23C 14/54 - Controlling or regulating the coating process
• C23C 16/52 - Controlling or regulating the coating process
• G01J 3/02 - SpectrometrySpectrophotometryMonochromatorsMeasuring colours Details
• G01J 3/18 - Generating the spectrumMonochromators using diffraction elements, e.g. grating
• H01J 37/32 - Gas-filled discharge tubes
• G01N 21/84 - Systems specially adapted for particular applications
• G01P 5/26 - Measuring speed of fluids, e.g. of air streamMeasuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave

Abstract

The invention relates to a system for controlling the deposition of thin layers by gas phase growth in a deposition reactor (10), the gas phase corresponding to a gaseous state or a plasma state, the control system comprising: - a continuous light source (2); and - a spectrometer (4) configured to analyze a light emitted by the light source (2) by measuring the optical absorbance of at least one species of the gas phase penetrated by said light, the spectrometer (4) comprising a dispersion stage (400), the dispersion stage being a scalar diffraction grating, the spectrometer (4) not having a diffraction order separation stage.

IPC Classes  ?

• G01J 3/18 - Generating the spectrumMonochromators using diffraction elements, e.g. grating
• G01J 3/28 - Investigating the spectrum
• G01J 3/42 - Absorption spectrometryDouble-beam spectrometryFlicker spectrometryReflection spectrometry
• G01N 21/03 - Cuvette constructions
• G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
• C23C 14/54 - Controlling or regulating the coating process
• G01J 3/10 - Arrangements of light sources specially adapted for spectrometry or colorimetry
• G01J 3/02 - SpectrometrySpectrophotometryMonochromatorsMeasuring colours Details
• C23C 16/52 - Controlling or regulating the coating process
• H01J 37/32 - Gas-filled discharge tubes
• G01N 21/84 - Systems specially adapted for particular applications

Abstract

A novel RFID communication device is proposed which allows the detection and electronic processing not only of the response signal backscattered at the fundamental frequency f0 of the reader, but also at least one response signal backscattered at a harmonic frequency, before feeding them to the conventional receive chain of an RFID reader. The joint use of the signal at the fundamental frequency of the reader and at least one signal at a harmonic frequency allows the reader's performance to be improved. The RFID reader can additionally be provided with novel functionalities by virtue of suitable software processing. It is applicable to the field of communications between a reader and passive transponders in UHF RFID and to the field of the Internet of Things.

IPC Classes  ?

• G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation

Abstract

An overcurrent protection device for a circuit to be monitored, having at least one trigger unit, which is configured for an interruption of the circuit in at least one trigger situation and which includes at least one conductor section which is configured for a conduction of a current to be monitored, at least one conductive trigger element, which includes at least one thermo magnetically-shiftable material configured for a magnetic property change in dependence on the temperature induced by a current that flows through the conductor section, a conductive magnetic module, a conductive magnetic core, the conductive magnetic module being movable between a first position faced against the conductive trigger element permitting the conduction of the current through the conductor section and a second position faced against said conductive magnetic core breaking the conduction of the current through the conductor section.

IPC Classes  ?

• H01H 71/14 - Electrothermal mechanisms
• H01H 71/24 - Electromagnetic mechanisms
• H01H 71/32 - Electromagnetic mechanisms having permanently magnetised part
• H01H 71/40 - Combined electrothermal and electromagnetic mechanisms

Abstract

This disclosure describes circuits and techniques for determining inductance on an electrical line. In some examples, a method comprises charging a capacitor in time steps to a voltage level; counting a number of the time steps to the voltage level, wherein the number of the time steps defines a coarse measurement inductance of the electrical line; measuring a charging rate associated with charging the capacitor within a measurement window that is defined at the voltage level, wherein the charging rate associated with charging the capacitor within the measurement window defines a fine measurement of the inductance of the electrical line; and outputting an indication of the number of time steps and an indication of the charging rate associated with charging the capacitor within the measurement window.

IPC Classes  ?

• G01R 27/26 - Measuring inductance or capacitanceMeasuring quality factor, e.g. by using the resonance methodMeasuring loss factorMeasuring dielectric constants
• G01R 31/00 - Arrangements for testing electric propertiesArrangements for locating electric faultsArrangements for electrical testing characterised by what is being tested not provided for elsewhere

Abstract

The present invention relates to a lubricating composition comprising: water, especially purified water, for example ultrapure water, demineralized water, osmotic water, deionized water; glycerol; nanosheets of h-MoS2, wherein the active content of h-MoS2 nanosheets is comprised between 0.01 and 0.07 wt %, preferably between 0.02 to 0.06 wt %, based on the total weight of the lubricating composition, wherein, the nanosheets of h-MoS2 are obtained in-situ in the lubricating composition by liquid-phase exfoliation of bulk MoS2 particles water.

IPC Classes  ?

• C10M 173/02 - Lubricating compositions containing more than 10% water not containing mineral or fatty oils
• C10M 105/14 - Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms polyhydroxy
• C10M 125/22 - Compounds containing sulfur, selenium or tellurium
• C10M 177/00 - Special methods of preparation of lubricating compositionsChemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
• C10N 20/06 - Particles of special shape or size
• C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
• C10N 40/02 - Bearings
• C10N 40/04 - Oil-bathGear-boxesAutomatic transmissionsTraction drives
• C10N 70/00 - Special methods of preparation

Abstract

The present invention relates to a lubricating composition comprising: water; surfactant; and h-MoS2 nanosheets; wherein the h-MoS2 nanosheets are obtained in-situ in the lubricating composition by liquid-phase exfoliation of bulk MoS2 nanoparticles.

IPC Classes  ?

• C10M 173/02 - Lubricating compositions containing more than 10% water not containing mineral or fatty oils
• C10M 125/22 - Compounds containing sulfur, selenium or tellurium
• C10M 177/00 - Special methods of preparation of lubricating compositionsChemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
• C10N 20/06 - Particles of special shape or size
• C10N 40/02 - Bearings
• C10N 40/04 - Oil-bathGear-boxesAutomatic transmissionsTraction drives

Abstract

The present invention relates to a method for obtaining an anti-oxidative coating for a titanium alloy part, comprising: - depositing a liquid composition on the part, comprising at least (i) a first sol-gel alkoxysilane precursor, (ii) a second precursor which is an organic-Inorganic sol-gel precursor of an element E1 or a salt of element E1, said element E1 being chosen from among silicon, aluminum, zirconium, titanium, tin, zinc, phosphorus and rare earths, (iii) a third precursor which is an organic-inorganic sol-gel precursor of an element E2 or a salt of element E2, said element E2 being chosen from among silicon, aluminum, zirconium, titanium, tin, zinc, phosphorus and rare earths, E1 and E2 not both being silicon, and (iv) water, and - hydrolyzing the first, second and third precursors of the deposited liquid composition and condensing same so as to form the anti-oxidative coating which comprises an interconnected mixed oxide network of the elements silicon, E1 and E2.

IPC Classes  ?

• C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material

Abstract

The invention relates to a method for obtaining an anti-oxidative coating for a titanium alloy part, comprising: - depositing a liquid composition on the part, comprising at least (i) a first precursor which is a metal-organic sol-gel precursor of a metal element E1 or a salt of metal element E1, said metal element E1 being chosen from among aluminum and zirconium, (ii) a second precursor which is an organic-inorganic sol-gel precursor of an element E2 or a salt of element E2, said element E2 being chosen from among aluminum, zirconium, titanium, tin, zinc, phosphorus or rare earths and being different from metal element E1, and (iii) water, and - hydrolyzing the first and second precursors of the deposited liquid composition and condensing same so as to form the anti-oxidative coating which comprises an interconnected mixed oxide network of elements E1 and E2.

IPC Classes  ?

• C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material

Abstract

A non-invasive method for measuring a physical quantity representative of the elasticity of a material, including: determining the phase velocities of the fundamental mode of the various components of a shear wave generated at the surface of the material, along a measurement axis, the set of pairs, each formed by a frequency f, and the phase velocity Vi of the fundamental mode determined for the frequency fi, forming a dispersion curve of the fundamental mode in a measurement direction parallel to the measurement axis, wherein the index i is an order number of the frequency fi and of the phase velocity Vi, and transforming the dispersion curve into a profile of phase velocities as a function of depth, the phase velocity at a given depth being a physical quantity representative of the elasticity of a material at the depth.

IPC Classes  ?

• A61B 5/00 - Measuring for diagnostic purposes Identification of persons

Abstract

A method for producing nanostructures having a metal oxide shell, carried by a top face of a substrate whose greatest dimension is greater than or equal to 100 mm by MOCVD metalorganic chemical vapour deposition, including successive steps carried out in a reactor configured for MOCVD deposition of nucleation and growth. The nucleation step includes forming non-contiguous metal nuclei by depositing a metal by MOCVD using a metalorganic precursor on the top face of the substrate and oxidising the metal of the metal nuclei, to form oxidised nuclei and ensure stabilisation of the nuclei. The growth step includes depositing a metal by MOCVD using the metalorganic precursor, to form non-contiguous nanostructures by growth of the oxidised nanostructures, and oxidising the deposited metal of the nanostructures formed in the nucleation to form oxidised nanostructures.

IPC Classes  ?

• C23C 16/18 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material from metallo-organic compounds
• C23C 16/02 - Pretreatment of the material to be coated
• C23C 16/40 - Oxides
• C23C 16/455 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber
• C23C 16/56 - After-treatment
• H01L 21/02 - Manufacture or treatment of semiconductor devices or of parts thereof

Abstract

The invention relates to an aqueous lubricant composition comprising at least: - water; - at least one polyalkylene glycol; - at least one antifreeze compound selected from glycols, preferably alkylene glycols; glycerol; diglycerol; triglycerol, and mixtures thereof; - at least one ascorbic acid ester; and - at least one pH-regulating additive, making it possible to maintain the pH of said lubricant composition between (8) and (15). It also relates to the use of such an aqueous lubricant composition, for lubricating and/or cooling the moving parts in a mechanical system or as a hydraulic fluid. The invention also relates to the use of at least one ascorbic acid ester as an additive for improving the tribological properties of an aqueous lubricant composition.

IPC Classes  ?

• C10M 173/02 - Lubricating compositions containing more than 10% water not containing mineral or fatty oils
• C10M 129/76 - Esters containing free hydroxy or carboxyl groups
• C10N 20/00 - Specified physical properties of component of lubricating compositions
• C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
• C10N 30/12 - Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives
• C10N 40/08 - Hydraulic fluids, e.g. brake-fluids
• C10N 40/25 - Internal-combustion engines
• C10N 40/04 - Oil-bathGear-boxesAutomatic transmissionsTraction drives

Abstract

The invention relates to an aqueous lubricant composition comprising at least: - water; - at least one polyalkylene glycol; - at least one antifreeze compound selected from glycols, preferably alkylene glycols; glycerol; diglycerol; triglycerol, and mixtures thereof; - at least one gallic acid ester; and - at least one pH-regulating additive, making it possible to maintain the pH of said lubricant composition between (8) and (15). It also relates to the use of such an aqueous lubricant composition, for lubricating and/or cooling the moving parts in a mechanical system or as a hydraulic fluid. The invention also relates to the use of at least one gallic acid ester as an additive for improving the tribological properties of an aqueous lubricant composition.

IPC Classes  ?

• C10M 173/02 - Lubricating compositions containing more than 10% water not containing mineral or fatty oils
• C10M 129/76 - Esters containing free hydroxy or carboxyl groups
• C10N 20/00 - Specified physical properties of component of lubricating compositions
• C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
• C10N 30/12 - Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives
• C10N 40/08 - Hydraulic fluids, e.g. brake-fluids
• C10N 40/25 - Internal-combustion engines
• C10N 40/04 - Oil-bathGear-boxesAutomatic transmissionsTraction drives

Abstract

The invention relates to a regenerator of temperature comprising a plurality of elastomeric material tubes (1), at least one actuator (23, 33), a first (2) and a second (3) boxes, each having a bottom (20, 30) with a plurality of holes therein, their respective bottoms facing each other, each hole of the first (2) box being in fluid communication with a hole of the second (3) box by means of one tube, at least one of the first or second boxes being translatable by the actuator so that elastomeric material tubes undergo successively stretching and release conditions, at least one of the first or second boxes having means (35, 53) for sucking into said box and then discharging from said box the fluid flowing through the tubes. The invention relates also to a heat pump including such a regenerator and a method of implementing thereof.

IPC Classes  ?

• F25B 23/00 - Machines, plants or systems, with a single mode of operation not covered by groups , e.g. using selective radiation effect

Abstract

The invention relates to a magnetic resonance imaging system that comprises an array of antennas (5) comprising a substrate (6), a plurality of antennas (7) arranged on a first face (6a) of the substrate, and a plurality of guard rings (8). The guard rings are arranged only on the second face (6b) of the substrate, opposite the first face, the projection of each of the antennas (7) on the second face (6b) of the substrate being circumscribed within a specific guard ring (8). The guard rings (8) are spaced apart from one another.

IPC Classes  ?

• G01R 33/34 - Constructional details, e.g. resonators
• G01R 33/3415 - Constructional details, e.g. resonators comprising surface coils comprising arrays of sub-coils
• G01R 33/36 - Electrical details, e.g. matching or coupling of the coil to the receiver

Abstract

An acoustic treatment grid intended to be mounted inside or at the outlet of a duct of a bleed valve of a turbomachine of an aircraft intended to convey a gas flow, the grid comprising a perforated plate and circular orifices traversing the perforated plate along a first direction, the orifices having a diameter and a geometrical center. Each orifice is separated from an adjacent orifice by a space, the length of which is equal to the product of the diameter of said orifice and a spacing coefficient of a value between 1.1 and 6.

IPC Classes  ?

• F02C 7/24 - Heat or noise insulation
• F02C 6/08 - Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
• F16K 47/08 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member

Abstract

Discharge grate intended to be mounted inside or at the outlet of a conduit of a discharge valve of a turbine engine of an aircraft, the discharge grate comprising an upstream face intended to receive a gas flow, a downstream face parallel to the upstream face and intended to deliver the gas flow received on the upstream face, and orifices passing through the perforated plate from the upstream face to the downstream face and intended to convey the gas flow through the perforated plate. The discharge grate comprises for each orifice of the perforated plate a tubular channel, coaxial with the orifice with which it is associated, and projecting from the downstream face of the perforated plate.

IPC Classes  ?

• F02C 6/08 - Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
• F01D 17/12 - Final actuators arranged in stator parts
• F02K 3/075 - Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low-pressure outputs, for augmenting jet thrust, e.g. of double-flow type controlling flow ratio between flows
• F04D 27/02 - Surge control

Abstract

00 of the reader, but also at least one response signal backscattered at a harmonic frequency, before feeding them to the conventional receive chain of an RFID reader. The joint use of the signal at the fundamental frequency of the reader and at least one signal at a harmonic frequency allows the reader's performance to be improved. The RFID reader can additionally be provided with novel functionalities by virtue of suitable software processing. It is applicable to the field of communications between a reader and passive transponders in UHF RFID and to the field of the Internet of Things.

IPC Classes  ?

• H04B 5/00 - Near-field transmission systems, e.g. inductive or capacitive transmission systems
• G06K 19/07 - Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards with integrated circuit chips

Abstract

The present invention concerns an overcurrent protection device for a circuit to be monitored, having at least one trigger unit, which is configured for an interruption of the circuit in at least one trigger situation and which comprises at least one conductor section (40) which is configured for a conduction of a current to be monitored, at least one conductive trigger element (30, 31, 32), which comprises at least one thermo magnetically-shiftable material configured for a magnetic property change in dependence on the temperature induced by a current that flows through the conductor section, a conductive magnetic module (20, 21), a conductive magnetic core (10), said conductive magnetic module being movable between a first position faced against said conductive trigger element permitting the conduction of the current through the conductor section and a second position faced against said conductive magnetic core breaking the conduction of the current through the conductor section.

IPC Classes  ?

• H01H 71/14 - Electrothermal mechanisms
• H01H 71/24 - Electromagnetic mechanisms
• H01H 71/32 - Electromagnetic mechanisms having permanently magnetised part
• H01H 71/40 - Combined electrothermal and electromagnetic mechanisms

Abstract

222 nanoparticles.

IPC Classes  ?

• C10M 125/22 - Compounds containing sulfur, selenium or tellurium
• C10M 171/06 - Particles of special shape or size
• C10M 173/02 - Lubricating compositions containing more than 10% water not containing mineral or fatty oils
• C10N 10/12 - Groups 6 or 16
• C10N 20/06 - Particles of special shape or size
• C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
• C10N 40/02 - Bearings
• C10N 40/04 - Oil-bathGear-boxesAutomatic transmissionsTraction drives

Abstract

The present invention relates to a lubricating composition comprising: - water, especially purified water, for example ultrapure water, demineralized water, osmotic water, deionized water; - glycerol; - nanosheets of h- MoS2, wherein the active content of h-MoS2 nanosheets is comprised between 0.01 and 0.07 wt%, preferably between 0.02 to 0.06 wt%, based on the total weight of the lubricating composition, - wherein, the nanosheets of h-MoS2 are obtained in-situ in the lubricating composition by liquid-phase exfoliation of bulk MoS2 particleswater

IPC Classes  ?

• C10M 125/22 - Compounds containing sulfur, selenium or tellurium
• C10M 129/14 - Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring containing at least 2 hydroxy groups
• C10M 171/06 - Particles of special shape or size
• C10M 173/02 - Lubricating compositions containing more than 10% water not containing mineral or fatty oils
• C10N 10/12 - Groups 6 or 16
• C10N 20/06 - Particles of special shape or size
• C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
• C10N 40/04 - Oil-bathGear-boxesAutomatic transmissionsTraction drives

Abstract

A device for converting an input DC voltage into an output DC voltage having a predetermined value, includes a set of elementary components comprising: an input voltage source; two output nodes; and a plurality of energy-storing elements, each consisting of one battery or of a plurality of batteries connected in series or in parallel. The converting device further comprises a switching matrix, configured to connect the elementary components to one another in a periodic cycle composed of a plurality of phases so that, for each cycle: Each phase is associated with one different connection configuration chosen so that, in each energy-storing element, the amount of charge at the start of the cycle is equal to the amount of charge at the end of the cycle.

IPC Classes  ?

• H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators

Abstract

r), such that a plurality of photonic crystals are simultaneously illuminated; b) acquiring an image (I) of the resonant support, then determining the presence of the analyte in the sample from the image.

IPC Classes  ?

• G01N 21/35 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
• G01N 21/41 - RefractivityPhase-affecting properties, e.g. optical path length
• G01N 21/43 - RefractivityPhase-affecting properties, e.g. optical path length by measuring critical angle

Abstract

A method for analysing a sample uses a resonant support having a surface on which a plurality of separated photonic crystals extends. At least two crystals are configured to capture the same analyte. A resonance wavelength associated with each crystal varies with an amount of analyte in contact with the crystal. The wavelengths define a resonance spectral band between 200-1500 nm. The transmission/reflection of the light is maximum at an associated resonance wavelength. The method includes: illuminating the support in the resonance spectral band, the intensity of the lamination being variable in band; acquiring a measurement image using an image sensor, the image having different regions-of-interest each optically coupled to a photonic crystal; using a reference image representative of an image acquired by the image sensor, when the support is illuminated in the resonance spectral band in a reference configuration; and comparing the measurement image with the reference image.

IPC Classes  ?

• G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
• G01N 21/43 - RefractivityPhase-affecting properties, e.g. optical path length by measuring critical angle
• G01N 21/59 - Transmissivity

Abstract

Collimation device for an X-ray detection system, the collimation device comprising: a collimator comprising a substantially planar support made of a material with partial or zero radiotransparency, the support being rotatably movable about an axis of rotation (Δ) which passes through the support and which is perpendicular to a first face of the support which acts as an X-ray plane of incidence referred to as the main plane of the support (P), the support (D) being provided on the first face with a slit which is completely transparent to X-rays and which is configured to generate an X-ray flow when the collimator is exposed to an X-ray source, the slit extending longitudinally in the main plane of the support along an axis located at a non-zero distance (d) from the axis of rotation (Δ), the slit extending through the entire thickness of the support.

IPC Classes  ?

• A61B 6/06 - Diaphragms
• A61B 6/40 - Arrangements for generating radiation specially adapted for radiation diagnosis

Abstract

A particle detector includes at least one resonant cavity partially formed at least by a first reflector, a second reflector disposed at a distance from the first reflector and a channel located between the first and second reflectors, the channel being intended to receive at least one fluid comprising particles and to receive at least one light radiation; and at least one detection system having at least one photodetector. The particle detector is configured so that a portion of the light radiation present in the channel escapes from the cavity throughout the second reflector and reaches the detection system, thereby enabling the at least one photodetector to detect leakage of the cavity. The second reflector is a photonic crystal membranes PCM based reflector.

IPC Classes  ?

• G01N 15/14 - Optical investigation techniques, e.g. flow cytometry
• G02B 5/08 - Mirrors
• G02B 1/00 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements
• G02B 17/00 - Systems with reflecting surfaces, with or without refracting elements

Abstract

iiii, and - transforming (100) said dispersion curve into a profile of phase velocities as a function of depth, the phase velocity at a given depth being a physical quantity representative of the elasticity of a material at said depth.

IPC Classes  ?

• A61B 5/103 - Measuring devices for testing the shape, pattern, size or movement of the body or parts thereof, for diagnostic purposes
• G01N 3/00 - Investigating strength properties of solid materials by application of mechanical stress
• A61B 5/00 - Measuring for diagnostic purposes Identification of persons

Abstract

The invention relates to a biocell (1) with a biofuel reservoir intended to be brought into contact with a liquid medium and with a fluid medium comprising an oxidant. Said biocell comprises a first electrochemical cell having: an anode (5) comprising a first enzyme capable of catalyzing the oxidation of the biofuel; —a cathode (7) comprising a second enzyme capable of catalyzing the reduction of the oxidant; and —a separating and porous membrane (3), electrically insulating, and permeable to said liquid medium, placed between the anode (5) and the cathode (7). Said biocell (1) being characterized in that it comprises a means for storing the biofuel (3) and for providing the liquid medium to the anode (5), said means comprising a hydrophilic porous material in contact with said anode (5)) and having a basis weight of 500 to 900 g/m2.

IPC Classes  ?

• H01M 8/16 - Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
• H01M 50/491 - Porosity
• C12N 9/04 - Oxidoreductases (1.), e.g. luciferase acting on CHOH groups as donors, e.g. glucose oxidase, lactate dehydrogenase (1.1)
• C12N 9/02 - Oxidoreductases (1.), e.g. luciferase
• H01M 4/86 - Inert electrodes with catalytic activity, e.g. for fuel cells
• H01M 4/96 - Carbon-based electrodes
• H01M 8/04186 - Arrangements for control of reactant parameters, e.g. pressure or concentration of liquid-charged or electrolyte-charged reactants
• H01M 8/04082 - Arrangements for control of reactant parameters, e.g. pressure or concentration
• H01M 8/04858 - Electric variables
• B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
• B82Y 40/00 - Manufacture or treatment of nanostructures

Abstract

2 group.

IPC Classes  ?

• C10M 159/18 - Complexes with metals
• C10M 133/08 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups
• C07F 11/00 - Compounds containing elements of Groups 6 or 16 of the Periodic Table
• C10M 137/10 - Thio derivatives
• C10M 141/10 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic phosphorus-containing compound
• C10M 169/04 - Mixtures of base-materials and additives
• C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
• C10N 40/25 - Internal-combustion engines

Abstract

An optical particle detector including at least one channel intended to receive a fluid carrying at least one particle, and across which light rays are intended to pass such that the light rays are partially scattered by the at least one particle, a plurality of photodetectors capable of receiving said scattered light rays, wherein the detector includes at least one optical waveguide configured to collect, at least at one entrance of the waveguide, light rays that were not scattered by the at least one particle and having crossed the channel, and to reinject the unscattered light rays into the channel through at least one exit of the waveguide.

IPC Classes  ?

• G01N 15/14 - Optical investigation techniques, e.g. flow cytometry

Abstract

A discharge grid (22) designed to be mounted inside or at the outlet of a line (21) of a discharge valve (20) of a turbomachine (1) of an aircraft, the discharge grid (22) comprising an upstream face (24) designed to receive a gas flow (F), a downstream face (25) parallel to the upstream face (24) and designed to deliver the gas flow (F) received at the upstream face (24), and orifices (230) passing through the perforated plate (23) from the upstream face (24) to the downstream face (25) and designed to convey the gas flow (F) through the perforated plate (23). The discharge grid (22) comprises, for each orifice (230) of the perforated plate (23), a tubular channel (26) that is coaxial with its associated orifice and projects from the downstream face (25) of the perforated plate (23).

IPC Classes  ?

• F02C 6/08 - Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
• F01D 17/10 - Final actuators
• F02K 3/075 - Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low-pressure outputs, for augmenting jet thrust, e.g. of double-flow type controlling flow ratio between flows
• F04D 27/02 - Surge control

Abstract

An acoustic treatment grid (22) designed to be mounted inside or at the outlet of a line (21) of a discharge valve (20) of a turbomachine (1) of an aircraft, this being designed to convey a gaseous flow (F), the grid (22) comprising a perforated plate (23) and circular orifices (230) passing through the perforated plate (23) in a first direction (DA), the orifices (230) having a diameter (D) and a geometric center (C). Each orifice (230) is separated from an adjacent orifice by a space whose length (e) is equal to the product of the diameter (D) of said orifice (230) with a spacing coefficient whose value is between 1.1 and 6.

IPC Classes  ?

• F02C 6/08 - Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
• F01D 17/10 - Final actuators
• F02K 3/075 - Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low-pressure outputs, for augmenting jet thrust, e.g. of double-flow type controlling flow ratio between flows
• F04D 27/02 - Surge control

Abstract

A discharge grid (22) designed to be mounted inside or at the outlet of a line (21) of a discharge valve (20) of a turbomachine (1) of an aircraft, the discharge grid (22) comprising an upstream face (24) designed to receive a gas flow (F), a downstream face (25) parallel to the upstream face (24) and designed to deliver the gas flow (F) received at the upstream face (24), and orifices (230) passing through the perforated plate (23) from the upstream face (24) to the downstream face (25) and designed to convey the gas flow (F) through the perforated plate (23). The discharge grid (22) comprises, for each orifice (230) of the perforated plate (23), a tubular channel (26) that is coaxial with its associated orifice and projects from the downstream face (25) of the perforated plate (23).

IPC Classes  ?

• F01D 17/10 - Final actuators
• F02C 6/08 - Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
• F02K 3/075 - Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low-pressure outputs, for augmenting jet thrust, e.g. of double-flow type controlling flow ratio between flows

Abstract

An acoustic treatment grid (22) designed to be mounted inside or at the outlet of a line (21) of a discharge valve (20) of a turbomachine (1) of an aircraft, this being designed to convey a gaseous flow (F), the grid (22) comprising a perforated plate (23) and circular orifices (230) passing through the perforated plate (23) in a first direction (DA), the orifices (230) having a diameter (D) and a geometric center (C). Each orifice (230) is separated from an adjacent orifice by a space whose length (e) is equal to the product of the diameter (D) of said orifice (230) with a spacing coefficient whose value is between 1.1 and 6.

IPC Classes  ?

• F01D 17/10 - Final actuators
• F02C 6/08 - Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
• F02C 7/24 - Heat or noise insulation
• F02K 3/075 - Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low-pressure outputs, for augmenting jet thrust, e.g. of double-flow type controlling flow ratio between flows
• F04D 29/52 - CasingsConnections for working fluid for axial pumps
• F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the likeBalancing

Abstract

The invention concerns a method for producing nanostructures having a metal oxide shell and carried by a top face of a substrate whose largest dimension is not less than 100 mm by metal-organic chemical vapour deposition MOCVD, characterized in that the method comprises the following successive steps carried out in a reactor configured for deposition by MOCVD: a. a nucleation step comprising: i. a step of forming non-contiguous metallic nuclei by metal deposition by MOCVD using an organometallic precursor on said top face of the substrate, then ii. a step of oxidizing the metal of the metallic nuclei, which is configured to form oxidized nuclei and is intended to stabilize the nuclei, b. at least one growth step comprising: i. a step of depositing a metal by MOCVD using the organometallic precursor, which is intended to form non-contiguous nanostructures by growth of the oxidized nuclei, then ii. a step of oxidizing the deposited metal of the nanostructures formed in the preceding step, which is configured to form oxidized nanostructures. The invention is employed with particular advantage in the field of emergent RRAMs (Resistive Random Access Memories) or else in chemical sensors.

IPC Classes  ?

• C23C 16/02 - Pretreatment of the material to be coated
• C23C 16/40 - Oxides
• C23C 16/455 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber
• C30B 25/16 - Controlling or regulating
• C30B 29/16 - Oxides
• C30B 29/60 - Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape

Abstract

A power flow control device intended to be used in a mesh network. The device includes a first voltage source connected between a first terminal (B1) and a third terminal (B3). A second voltage source is connected between a second terminal (B2) and the third terminal (B3). A current source is connected alternately to the first voltage source and the second voltage source and configured to ensure a transfer of energy between the first voltage source and the second voltage source. A switching means is arranged to allow the current source to be connected alternately in parallel with the first voltage source or in parallel with the second current source.

IPC Classes  ?

• H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
• H02J 1/10 - Parallel operation of dc sources
• H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
• H02J 3/46 - Controlling the sharing of output between the generators, converters, or transformers

Abstract

Collimation device (1) for an X-ray detection system, the collimation device (1) comprising: a collimator comprising a substantially planar support (20) made of a material with partial or zero radio wave transparency, the support (20) being rotatably movable about a rotation axis (Δ) which extends through the support and which is perpendicular to a first face of the support (20) which acts as an X-ray incidence plane referred to as the main plane of the support (P), the support (D) being provided on the first face of a slot (30) which is completely transparent to X-rays and which is configured to generate a flow of X-rays when the collimator is exposed to a source (10) of X-rays, the slot (30) extending longitudinally in the main plane of the support along an axis located at a non-zero distance (d) from the rotation axis (Δ), the slot (30) extending through the entire thickness of the support (20).

IPC Classes  ?

• G01T 1/164 - Scintigraphy
• G21K 1/04 - Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers

Abstract

The invention relates to a non-invasive process for evaluating the quality of one or more dense connective tissue(s) in a patient, comprising the following steps: a) Analyzing the profile of the microrelief of a cutaneous replica of a portion of the skin of said patient by at least one of the following step: a1. visually assessing on picture(s) of said cutaneous replica the line shape and the anisotropy of the lines; and/or a2. Determining, on picture(s) of said cutaneous replica, the roughness index of the microrelief with an optical sensor, b) identifying cutaneous replica of “stage 1”, representative of healthy skins, and cutaneous replica of “stage 2” representative of altered skins, a cutaneous replica of stage 2 being indicative of low quality of the one or more dense connective tissue(s) in the patients body.

IPC Classes  ?

• G01N 33/68 - Chemical analysis of biological material, e.g. blood, urineTesting involving biospecific ligand binding methodsImmunological testing involving proteins, peptides or amino acids
• G01N 21/88 - Investigating the presence of flaws, defects or contamination
• G06T 7/00 - Image analysis

Abstract

The invention relates to a method for supervising an HVDC facility (10) comprising a plurality of systems (12, 14, 16) on each of which a plurality of characteristic quantities can be measured, the method comprising the steps according to which: the value of each characteristic quantity of the plurality of characteristic quantities of each system is measured; for each characteristic quantity, an operating region is determined from the measured value of said characteristic quantity, the operating region being chosen among a group of operating regions; and, an operating state of the facility is determined from the operating regions previously determined.

IPC Classes  ?

• H02J 3/36 - Arrangements for transfer of electric power between ac networks via a high-tension dc link

Abstract

kk+1kkrrr), such that a plurality of photonic crystals are simultaneously illuminated; b) acquiring an image (I) of the resonant support, then determining the presence of the analyte in the sample from the image.

IPC Classes  ?

• G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
• G01N 21/3581 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared lightInvestigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using Terahertz radiation
• G01N 21/359 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
• G01N 21/41 - RefractivityPhase-affecting properties, e.g. optical path length
• G01N 21/3577 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
• G01N 21/59 - Transmissivity

Abstract

kkk+1kkrr rr krefrr r ) in a reference configuration; d) comparing the measurement image acquired in step b) with the reference image taken into account during step c).

IPC Classes  ?

• G01N 21/359 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
• G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
• G01N 21/41 - RefractivityPhase-affecting properties, e.g. optical path length
• G01N 21/59 - Transmissivity

Abstract

The invention concerns a multi-level voltage converter (2) for converting a DC voltage into an AC voltage, comprising: - an arm, comprising an upper half-arm and a lower half-arm (257), each including several sub-modules in series (51, 52, 53), each comprising a capacitive energy storage element (6) and a circuit (4) for selectively bypassing the capacitive element or connecting it in series with the other sub-modules of the half-arm; - an improved sub-module includes several electrical energy exchange devices (7), each comprising: -an electrical energy storage device (81); -a DC/DC converter (71) having a second interface (713, 714) connected to the terminals of the storage device (81), comprising a switching circuit (721, 722) for selectively controlling the discharging or recharging of the storage device (81) via the first interface, the switching circuit (721, 722) including switches having a switching frequency higher than 10 kHz.

IPC Classes  ?

• H02M 7/49 - Combination of the output voltage waveforms of a plurality of converters
• H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
• H02M 7/483 - Converters with outputs that each can have more than two voltage levels
• H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
• H02M 1/00 - Details of apparatus for conversion

Abstract

The present description relates to a sensor comprising a hybrid waveguide comprising, on a dielectric support layer (106): a first dielectric optical waveguide (100) resting on and in contact with the support layer; for one or each longitudinal lateral face (1002, 1003) of the first waveguide, a second surface waveguide (102, 103) optically coupled to the first waveguide, parallel to the first waveguide, resting on the support layer, and comprising a surface (1021, 1031) configured to guide a surface mode; and a cavity (110, 112) intended to be filled with a dielectric fluid, laterally separating the first waveguide of said surface from the one or from each second waveguide.

IPC Classes  ?

• G01N 21/552 - Attenuated total reflection
• G02B 6/122 - Basic optical elements, e.g. light-guiding paths
• G01N 21/59 - Transmissivity
• G01N 21/41 - RefractivityPhase-affecting properties, e.g. optical path length

Abstract

The invention relates to a metamaterial for filtering vibrational waves, the structure of which comprises at least one modular auxetic element (1), characterised in that said modular auxetic element (1) comprises at least one cell (10) having elastically deformable peripheral bridging elements (11) and enclosing a rigid resonator insert; the invention also relates to an insulating part made of said metamaterial.

IPC Classes  ?

• F16F 7/108 - Vibration-dampersShock-absorbers using inertia effect the inertia member being resiliently mounted on plastics springs
• G10K 11/162 - Selection of materials

Abstract

2nnR22nnR3], wherein R represents a linear or branched alkyl comprising 3 to 30 carbon atoms, preferably 3 to 20, advantageously 7 to 17 carbon atoms; n, identical or different, represents 2 or 3; R2and R322, COOR', or COO group, where R', identical or different, represents a hydrogen atom or an alkaline or alkaline earth metal, preferably R' is H, preferably R2and R322 group.

IPC Classes  ?

• C07F 11/00 - Compounds containing elements of Groups 6 or 16 of the Periodic Table
• C10M 103/06 - Metal compounds
• C10M 159/18 - Complexes with metals

Abstract

Disclosed is a method for measuring (100) the velocity field in a sheet of water by using a measurement system (1) comprising the following steps: - starting the tyre under rolling conditions on a trajectory; - estimating the velocity V of the tyre on the trajectory upstream of the observation zone; - evaluating the arrival time T1 of the tyre at the entrance to the observation zone; - generating, at time T2, a first flat sheet of the light of thickness ep within the sheet of water; - starting a first shot of the imaging device at time T3; - triggering the first triggering of the exposure device at time T4 after time T3; - starting a second shot of the imaging device at time T5; - triggering the second triggering of the exposure device at time T6 after time T5; - performing an image correlation between the two shots.

IPC Classes  ?

• G01M 9/06 - Measuring arrangements specially adapted for aerodynamic testing
• G01M 10/00 - Hydrodynamic testingArrangements in or on ship-testing tanks or water tunnels
• G01M 17/02 - Tyres
• G01P 5/20 - Measuring speed of fluids, e.g. of air streamMeasuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken by the fluid to traverse a fixed distance using particles entrained by a fluid stream

Abstract

00 and of said number Ni, • A control unit (UC) configured to control the M on/off switches of said switching interface (ISW) with a view to connecting each terminal (A, B, C) of said device for controlling power flow to a separate terminal of the system and to correspond to an operating state of the network.

IPC Classes  ?

• H02J 3/06 - Controlling transfer of power between connected networksControlling sharing of load between connected networks
• H02J 1/08 - Three-wire systemsSystems having more than three wires
• H02J 3/36 - Arrangements for transfer of electric power between ac networks via a high-tension dc link

Abstract

Method for modeling an electrical cable in order to use the electrical cable in a plurality of propagation modes associated with delays in the temporal domain, said method using a transfer matrix and comprising steps according to which a cable propagation mode is selected, an approximation is calculated of the transfer matrix in the form of a first rational function comprising approximation terms associated with each of the cable propagation modes which are different from the selected propagation mode, a residue matrix associated with the propagation mode is determined, an approximation of the residue matrix is calculated, said steps are repeated successively for each of the cable propagation modes, and an approximate transfer matrix is determined using the set of previously approximated residue matrices.

IPC Classes  ?

• G01R 27/32 - Measuring attenuation, gain, phase shift, or derived characteristics of electric four-pole networks, i.e. two-port networksMeasuring transient response in circuits having distributed constants

Abstract

A particle detector, comprising at least: - one resonant cavity (100) formed at least in part by a first reflector (110), a second reflector (120) arranged at a distance from the first reflector (110) and a channel (140) located between the first (110) and second (120) reflectors, the channel (140) being designed to receive at least one fluid comprising particles (60) and to receive at least one light radiation (310); - at least one detection system (200) comprising at least one photodetector (211). The second reflector (120) is a photonic crystal membrane (PCM) reflector.

IPC Classes  ?

• G01N 15/14 - Optical investigation techniques, e.g. flow cytometry
• G01N 21/53 - Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
• H01P 7/06 - Cavity resonators
• B82Y 20/00 - Nanooptics, e.g. quantum optics or photonic crystals
• G01N 15/00 - Investigating characteristics of particlesInvestigating permeability, pore-volume or surface-area of porous materials

Abstract

The subject of the present invention is a method for predicting squeal instabilities for a friction surface of a brake system, the method being implemented by computer and comprising: identifying (500) N unstable modes around a static equilibrium point, the unstable modes being defined respectively by N frequencies and N initial eigenvalues of N modes of the brake system; modeling (500) the brake system with a linear model in which non-linear forces are linearized with respect to displacement and speed in the degrees of freedom of the brake system; simulating (510) an excitation of the brake system by imposing a movement in said degrees of freedom, the imposed movement taking the form of a linear combination of N modal deformations, a modal deformation corresponding to an unstable mode and being defined by a variable-level modal amplitude and one frequency among the N frequencies; computing (520-570) a variation in at least one complex eigenvalue of at least one state matrix of the linear model when the level of a modal amplitude of at least one modal deformation varies.

IPC Classes  ?

• G06F 30/17 - Mechanical parametric or variational design
• B60T 8/88 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
• G01H 13/00 - Measuring resonant frequency
• G06F 30/20 - Design optimisation, verification or simulation

Abstract

The invention relates to a system having: a high-voltage electrical power module (1) comprising a dielectric housing (2) housing electronic components of said module, and further comprising at least first (101) and second (102) connection terminals which are accessible from outside the module and between which the electronic components of the module are capable of applying a potential difference at least equal to 1 kV, said first and second terminals being separated by at least one set of alternating grooves (6) and ribs (7) arranged in an outer face of the dielectric housing (2); and - a dielectric protective element (10) extending between the first and second connection terminals (101, 102), said protective element covering the ribs of the housing and comprising ribs (17) housed in grooves (6) o the housing.

IPC Classes  ?

• H01L 23/62 - Protection against overcurrent or overload, e.g. fuses, shunts
• H01L 23/04 - ContainersSeals characterised by the shape
• H01L 25/07 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in subclass
• H05K 7/14 - Mounting supporting structure in casing or on frame or rack

Abstract

The invention relates to an on-board system and a method for converting medium-voltage electrical power for a movable transport vehicle (10), comprising a plurality of conversion blocks (38.i) each having an upstream AC-DC stage (34) and an isolated downstream DC-DC stage (36), of the type in which, for each conversion block (38.i), the isolated downstream DC-DC power conversion stage (36) comprises a primary DC-AC converter (36A) produced in the form of a full bridge of controlled electronic switches and a transformer (36B) having a primary winding (36B1), connected to the downstream side of the primary converter and a secondary winding; characterised in that, for each conversion block (38.i), the primary DC-AC converter (36A) comprises a capacitive circuit (56) electronically inserted between an intermediate point (54) of the primary winding of the transformer (36B) and one side (48, 50) of the full bridge of the primary DC-AC converter (36A).

IPC Classes  ?

• B60L 9/12 - Electric propulsion with power supply external to the vehicle using DC motors fed from AC supply lines with static converters
• B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
• B60L 9/28 - Electric propulsion with power supply external to the vehicle using AC induction motors fed from AC supply lines polyphase motors
• H02M 1/14 - Arrangements for reducing ripples from DC input or output
• H02M 1/12 - Arrangements for reducing harmonics from AC input or output
• H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only

Abstract

A power electronic module (1) including at least one semiconductor (5) that is connected to connection conductors (6, 7), and including a dielectric carrier (10) having both a fixed layer (9), on which at least one of said connection conductors (6) is mounted, and a movable layer (11), the fixed layer (9) and the movable layer (11) exhibiting similar dielectric permittivities and being superposed along at least one surface facing the at least one connection conductor (6).

IPC Classes  ?

• H01L 23/427 - Cooling by change of state, e.g. use of heat pipes
• H01L 23/22 - Fillings characterised by the material, its physical or chemical properties, or its arrangement within the complete device liquid at the normal operating temperature of the device
• H01L 23/24 - Fillings characterised by the material, its physical or chemical properties, or its arrangement within the complete device solid or gel, at the normal operating temperature of the device
• H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids

Abstract

The invention relates to a biocell (1) with a biofuel reservoir, said biocell being intended to be brought into contact with a liquid medium and with a fluid comprising an oxidising agent. Said biocell comprises a first electrochemical cell which has: - an anode (5) comprising a first enzyme capable of catalysing the oxidation of the biofuel; - a cathode (7) comprising a second enzyme capable of catalysing the reduction of the oxidising agent; and - an electrically insulating, porous, separating membrane (3) permeable to said liquid medium, said membrane being placed between the anode (5) and the cathode (7); said biocell (1) being characterized in that it comprises a means for storing the biofuel (3) and for making the liquid medium available at the anode (5), said means comprising a hydrophilic porous material in contact with said anode (5) and having a surface density of 500 to 900 g/m2

IPC Classes  ?

• H01M 8/1025 - Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having only carbon and oxygen, e.g. polyethers, sulfonated polyetheretherketones [S-PEEK], sulfonated polysaccharides, sulfonated celluloses or sulfonated polyesters
• H01M 8/16 - Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
• H01M 8/04082 - Arrangements for control of reactant parameters, e.g. pressure or concentration
• H01M 8/0284 - Organic resinsOrganic polymers

Abstract

The invention relates to a biocell (1) with a biofuel reservoir, said biocell being intended to be brought into contact with a liquid medium and with a fluid comprising an oxidising agent. Said biocell comprises a first electrochemical cell which has: - an anode (5) comprising a first enzyme capable of catalysing the oxidation of the biofuel; - a cathode (7) comprising a second enzyme capable of catalysing the reduction of the oxidising agent; and - an electrically insulating, porous, separating membrane (3) permeable to said liquid medium, said membrane being placed between the anode (5) and the cathode (7); said biocell (1) being characterized in that it comprises a means for storing the biofuel (3) and for making the liquid medium available at the anode (5), said means comprising a hydrophilic porous material in contact with said anode (5) and having a surface density of 500 to 900 g/m2

IPC Classes  ?

• H01M 8/0284 - Organic resinsOrganic polymers
• H01M 8/04082 - Arrangements for control of reactant parameters, e.g. pressure or concentration
• H01M 8/1025 - Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having only carbon and oxygen, e.g. polyethers, sulfonated polyetheretherketones [S-PEEK], sulfonated polysaccharides, sulfonated celluloses or sulfonated polyesters
• H01M 8/16 - Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts

Abstract

Vibrating trap device (1) mounted on a rotation axis (2) intended to be that of the rotating structure and comprising multiple vibrating resonators (3) for trapping the vibrations, each resonator (3) being elongate in shape with an end connected to the support or to the rotating structure (4), each resonator (3) having natural frequencies and modes of vibration, each resonator (3) being made of a metallic material, the device generating, at least in part, a star shape with each resonator (3) forming one branch of the star, the spatial distribution of the masses of the device satisfying the inertial balancing relative to the rotation axis (2) characterized in that each resonator (3) of at least some of all of the resonators is formed by at least two elongate elements and comprises means for keeping said at least two elongate elements in contact over at least a portion of their length.

IPC Classes  ?

• F16F 15/133 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
• F16F 15/14 - Suppression of vibrations in rotating systems by making use of members moving with the system using freely-swinging masses rotating with the system

Abstract

12312311).

IPC Classes  ?

• G01T 1/20 - Measuring radiation intensity with scintillation detectors

Abstract

The invention proposes an on-board conversion system for converting power for a movable transport vehicle (10), of the type: - suitable for being in contact with a fixed linear contact (14) - comprising a first electrical connection circuit (22) and a second electrical connection circuit (26) - comprising one or more conversion blocks (38.i) each having an upstream AC/DC power conversion stage (34) connected to the first connection circuit (22), characterised in that the on-board conversion system (16) comprises, for each conversion block (38.i), an isolated downstream DC/DC power conversion stage (36); and in that the second connection circuit (26) allows, in a configuration for DC voltage, one, more or all of the conversion blocks (38.i) to be connected at an intermediate connection (40.i, 42.i), between the upstream (34) and downstream stages (36), to the second fixed source of electrical voltage.

IPC Classes  ?

• B60L 9/30 - Electric propulsion with power supply external to the vehicle using AC induction motors fed from different kinds of power supply lines
• B60L 9/22 - Electric propulsion with power supply external to the vehicle using AC induction motors fed from DC supply lines polyphase motors
• B60L 9/28 - Electric propulsion with power supply external to the vehicle using AC induction motors fed from AC supply lines polyphase motors
• H02M 1/10 - Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from AC or DC
• H02M 5/458 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
• H02P 27/14 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation with three or more levels of voltage
• H02M 7/49 - Combination of the output voltage waveforms of a plurality of converters
• H02M 7/493 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode the static converters being arranged for operation in parallel
• H02M 1/00 - Details of apparatus for conversion

Abstract

The invention relates to a non-invasive process for evaluating the quality of one or more dense connective tissue(s) in a patient, comprising the following steps: a) Analyzing the profile of the microrelief of a cutaneous replica of a portion of the skin of said patient by at least one of the following step: a1. visually assessing on picture(s) of said cutaneous replica the line shape and the anisotropy of the lines; and/or a2. Determining, on picture(s) of said cutaneous replica, the roughness index of the microrelief with an optical sensor, b) identifying cutaneous replica of "stage 1", representative of heathy skins, and cutaneous replica of "stage 2" representative of altered skins, a cutaneous replica of stage 2 being indicative of low quality of the one or more dense connective tissue(s) in the patient's body.

IPC Classes  ?

• A61B 5/00 - Measuring for diagnostic purposes Identification of persons
• G01B 11/30 - Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
• G01N 1/28 - Preparing specimens for investigation

Abstract

The invention relates to a non-invasive process for evaluating the quality of one or more dense connective tissue(s) in a patient, comprising the following steps: a) Analyzing the profile of the microrelief of a cutaneous replica of a portion of the skin of said patient by at least one of the following step: a1. visually assessing on picture(s) of said cutaneous replica the line shape and the anisotropy of the lines; and/or a2. Determining, on picture(s) of said cutaneous replica, the roughness index of the microrelief with an optical sensor, b) identifying cutaneous replica of "stage 1", representative of heathy skins, and cutaneous replica of "stage 2" representative of altered skins, a cutaneous replica of stage 2 being indicative of low quality of the one or more dense connective tissue(s) in the patient's body.

IPC Classes  ?

• G01N 33/68 - Chemical analysis of biological material, e.g. blood, urineTesting involving biospecific ligand binding methodsImmunological testing involving proteins, peptides or amino acids

Abstract

The present invention concerns a method for generating SQL queries, comprising the following steps: - receiving (100) an initial SQL query, - determining (200) a resultant table comprising a plurality of data, - dividing (300) the plurality of data into at least first and second distinct data groups, - constructing (400) a decision tree structure (50) - generating (500) a plurality of completed SQL queries from the tree structure, - displaying (600) the plurality of completed SQL queries.

IPC Classes  ?

• G06F 17/30 - Information retrieval; Database structures therefor

Abstract

The invention concerns a power flow control device intended to be used in a mesh network, said device comprising: - a first voltage source connected between the first terminal (B1) of same and the third terminal (B3) of same, - a second voltage source connected between the second terminal (B2) of same and the third terminal (B3) of same, - a current source connected alternately to the first voltage source and the second voltage source and configured to ensure a transfer of energy between the first voltage source and the second voltage source, - switching means arranged to allow said current source to be connected alternately in parallel with the first voltage source or in parallel with the second current source.

IPC Classes  ?

• H02J 1/10 - Parallel operation of dc sources
• H02J 1/14 - Balancing the load in a network
• H02J 3/36 - Arrangements for transfer of electric power between ac networks via a high-tension dc link
• H02J 4/00 - Circuit arrangements for mains or distribution networks not specified as ac or dc

Abstract

The invention relates to a biofuel cell and also to an assembly comprising at least two biofuel cells according to the invention. The biofuel cell of the invention is intended to be immersed in a liquid medium L containing a biofuel and an oxidising agent, and comprises: - a first electrode chosen from an anode A consisting of a solid agglomerate of a conductive material mixed with a first enzyme capable of catalysing the oxidation of the biofuel and a cathode K consisting of a solid agglomerate of a conductive material mixed with a second enzyme capable of catalysing the reduction of the oxidising agent produced at the anode A, - a second electrode, different from the first electrode, said electrode being chosen from an anode A consisting of a solid agglomerate of a conductive material mixed with a first enzyme capable of catalysing the oxidation of the biofuel and a cathode K consisting of a solid agglomerate of a conductive material mixed with a second enzyme capable of catalysing the reduction of the oxidising agent produced at the anode A, - a separating membrane S, made of an electrically insulating material which is permeable to the liquid medium L, placed between the anode A and the cathode K, characterized in that it comprises, in addition, a means D for diffusing the liquid medium L from the first electrode to the second electrode through the separating membrane S, and in that the anode A, the separating membrane S and the cathode K are in contact with one another. The invention is of use in the field of the storage and release of energy, in particular.

IPC Classes  ?

• H01M 8/16 - Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
• H01M 4/90 - Selection of catalytic material

Abstract

A system of additive-manufacturing by laser melting of a powder bed. The system includes a first laser unit selectively emitting a first laser beam to form at least one layer of material by melting the powder bed; a second laser unit selectively emitting a second laser beam to machine at least a portion of the layer of material; and an optical unit enabling to focus the first laser beam on the powder bed to be melted and the second laser beam on the layer of material to be machined. The system is able to produce a part by successive stacking of melted then machined layers of material. A process of additive-manufacturing by laser melting of a powder bed is also contemplated.

IPC Classes  ?

• B33Y 10/00 - Processes of additive manufacturing
• B33Y 30/00 - Apparatus for additive manufacturingDetails thereof or accessories therefor
• B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
• B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
• B23K 26/354 - Working by laser beam, e.g. welding, cutting or boring for surface treatment by melting
• B29C 64/30 - Auxiliary operations or equipment
• B23K 26/34 - Laser welding for purposes other than joining
• B28B 1/00 - Producing shaped articles from the material

Abstract

An electronic power module (1) comprising at least one semiconductor (5) connected to connection conductors (6, 7), and comprising a dielectric support (10) having a stationary layer (9) on which at least one of said connection conductors (6) is mounted, as well as a movable layer (11), the stationary layer (9) and the movable layer (11) having similar dielectric permittivity and being superposed along at least one surface facing the at least one connection conductor (6).

IPC Classes  ?

• H01L 23/427 - Cooling by change of state, e.g. use of heat pipes
• H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
• H01L 23/373 - Cooling facilitated by selection of materials for the device

Abstract

The present invention concerns an in vitro method for diagnosing a joint disease in a mammal and/or determining the type of joint disease and/or determining the stage of said disease and/or predicting the course of said disease, comprising the following steps: • a) depositing a drop of a synovial fluid sample from the mammal on a support plane made of an inorganic material, such as glass; • b) drying the drop that was deposited in step a); • c) measuring at least one parameter indicating morphological characteristics of the drop dried in step b), by which a value for said parameter is obtained, and • d) comparing each value measured in step c) with a reference value that is representative of a reference synovial fluid. Said parameter is chosen from among (i) the maximum height (H) of the bead formed on the surface of the drop, (ii) the surface area (S) of the drop and (iii) the surface profile (Z) of the drop. The value of the surface area (S) is representative of the concentration of hyaluronic acid present in a synovial fluid and the maximum height value (H) is representative of the concentration of proteins present in a synovial fluid.

IPC Classes  ?

• G01N 33/487 - Physical analysis of biological material of liquid biological material
• G01N 21/65 - Raman scattering

Abstract

The invention provides a high-voltage electrical transformer including: - a magnetic circuit (20); - at least one primary winding (22) and at least one secondary winding (24), each including at least one conductor which is wound in the form of turns around the magnetic circuit (20); - an electrically insulating housing (26) which encapsulates the magnetic circuit (20) and which has an outer envelope surface (28) on which the primary and secondary winding are wound and an inner envelope surface which defines an inner volume in which the magnetic circuit (20) is accommodated, characterized in that each turn of a winding (22, 24) is accommodated in a winding groove which is formed in the outer envelope surface (28) of the insulating housing (26), and in that each winding groove is provided with a conductive groove layer.

IPC Classes  ?

• H01F 30/16 - Toroidal transformers
• H01F 27/28 - CoilsWindingsConductive connections
• H01F 27/30 - Fastening or clamping coils, windings, or parts thereof togetherFastening or mounting coils or windings on core, casing, or other support
• H01F 27/32 - Insulating of coils, windings, or parts thereof

Abstract

A compression method includes simplifying a mesh that represents a textured 3D-object by replacing polygons in the mesh with new ones that have broader faces. The method includes identifying adjacent polygons with different textures and adding vertices at the same positions as two vertices in the polygons. This creates two new edges and an intermediate polygon interposed between the two adjacent polygons. The new edges have zero length and the new polygon has zero area.

IPC Classes  ?

• G06T 9/00 - Image coding
• G06T 17/20 - Wire-frame description, e.g. polygonalisation or tessellation
• G06T 15/04 - Texture mapping

Abstract

The invention relates to a method for characterising the quality of an X-ray beam having a known profile for depositing a dose in a body, having an zone (Za1, Za2) of increasing dose rate inside said body extending between the input surface of the beam and a characteristic depth (Pmax) where the deposited dose is at a maximum, the method comprising the following steps: - providing a monolithic detector including m p-n junctions (m ᡶ 3) stacked depth-wise in the detector with at least three junctions distributed in the zone of increasing dose rate; - projecting said X-ray beam onto the monolithic detector; - recovering the m signals (r) delivered by the p-n junctions of the detector; - and processing the m signals (r) in order to characterise the quality of the X-ray beam.

IPC Classes  ?

• G01T 1/24 - Measuring radiation intensity with semiconductor detectors
• G01T 1/29 - Measurement performed on radiation beams, e.g. position or section of the beamMeasurement of spatial distribution of radiation

Abstract

The invention relates to a high-voltage electric insulator (1) comprising an elongate insulating element (11) that extends along an axis and has first and second ends (117, 118) at a distance from each other along said axis, and further comprising at least first and second resonant circuits (122, 123) that are galvanically insulated from each other by the insulating element (11), the first and second resonant circuits each comprising at least one winding extending about the axis, said windings being at a distance from each other along the axis and being magnetically coupled.

IPC Classes  ?

• H01B 17/00 - Insulators or insulating bodies characterised by their form
• H01B 17/42 - Means for obtaining improved distribution of voltageProtection against arc discharges

Abstract

The present invention relates to a method for dimensioning a turbomachine comprising a casing and a disc to which at least one blade is secured, said disc being rotationally driven by a shaft about a turbomachine axis (z), comprising: —acquisition (E1) of the coordinates (P) of the ends of the leading edge and of the trailing edge of the blade in a frame of reference connected with the disc; —expression (E2) of the coordinates (P′) of the ends of the leading edge and of the trailing edge of the blade in a frame of reference connected with the casing; —calculation (E3) of the distance (g) between the casing and the ends of the leading edge and trailing edge of the blade from the coordinates (P′) expressed in the frame of reference connected with the casing; —calculation (E4) of the contact pressures between the blade and the casing along the end of the blade from the calculated distance (g); —calculation (E5) of the reaction forces and moments resulting from contact between the blade and the casing from the calculated pressures; —dimensioning (E6) of the turbomachine as a function of the calculated distances, pressures, forces and moments.

IPC Classes  ?

• G01B 21/04 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
• G01B 21/22 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapersMeasuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for testing the alignment of axes
• G01B 21/32 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
• F01D 11/14 - Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
• G01B 21/24 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapersMeasuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for testing the alignment of axes for testing the alignment of axes

Abstract

The invention relates mainly to a non-linear, passive device (1) for controlling vibrations in at least one cable (100), the device comprising: at least one rectilinear guide member (2); at least one auxiliary mass (3) cooperating with the rectilinear guide member (2), the latter being configured to guide the auxiliary mass (3) in a predetermined direction corresponding to the direction of the vibrations to be controlled, and said auxiliary mass (3) being axially movable along a longitudinal axis; wherein the device is characterised in that, in dynamic operation, the mass of the auxiliary mass (3) is coupled to the mass of the cable (100) in a strictly non-linear manner.

IPC Classes  ?

• H02G 7/14 - Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
• F16F 7/104 - Vibration-dampersShock-absorbers using inertia effect the inertia member being resiliently mounted
• F16F 7/14 - Vibration-dampersShock-absorbers of cable-support type, i.e. frictionally-engaged loop-forming cables

Abstract

This method comprises: - the estimation (102), on the basis of the reflectance of an object, of at least one parameter chosen from the group composed of: a volume fraction of melanin contained in a layer of epidermis, a volume fraction of haemoglobin contained in a layer of the dermis, a proportion of melanin present in eumelanin form, a proportion of melanin present in pheomelanin form, a proportion of haemoglobin present in the form of oxygenated haemoglobin, a proportion of haemoglobin present in the form of deoxygenated haemoglobin, a thickness of the layer of epidermis, and a thickness of the layer of the dermis; - the automatic classification (104) of this object in one or other of the following categories depending on said at least one parameter estimated: a category containing skins from a living human being and a category containing inanimate decoys of human skins.

IPC Classes  ?

• A61B 5/00 - Measuring for diagnostic purposes Identification of persons

Abstract

The present invention relates to a system (1) for additively manufacturing by laser melting of a powder bed (2), characterised in that it comprises: a first laser unit (10) selectively emitting a first laser beam to form at least one layer of material by melting the powder bed (2); a second laser unit (20) selectively emitting a second laser beam to machine at least some of this layer of material; and an optical block (30) allowing the first laser beam to be focused on the powder bed (2) to be melted and the second laser beam (F2, F20) to be focused on the layer of material to be machined. The system (1) is able to produce a part by successive stacking of melted then machined layers of material. The invention also relates to a method for additively manufacturing by laser melting of a powder bed (2).

IPC Classes  ?

• B29C 67/00 - Shaping techniques not covered by groups , or

Abstract

The invention relates to a diagnostic apparatus comprising a mounting (20) and a measurement circuit (15) attached to the mounting, the mounting comprising a gutter (12) having a shape which substantially complements that of a dental arch, the measurement circuit comprising at least one force sensor (24) arranged at the bottom of said gutter, a clock (28), a memory (30), a control module (32) capable of recording in said memory the force measurements taken by said at least one force sensor and the corresponding times read by said clock, and a battery (36) for supplying the measurement circuit with electrical energy, the mounting comprising at least two layers encapsulating said measurement circuit, the apparatus being characterised in that the measurement circuit comprises a sheet substrate (26), said substrate comprising first and second portions connected by at least one bridge (42) having a width (1) of less than 2 mm.

IPC Classes  ?

• A61F 5/56 - Devices for preventing snoring
• A61B 5/00 - Measuring for diagnostic purposes Identification of persons

Abstract

The invention relates to an optical guide (1) including: an insulating layer (9), a first layer (3) of a material having a refractive index n1, a second layer (5) of a material having a refractive index n2 and a thickness e2, and at least one first and one second small wall (7) having a refractive index n3. The first layer (3) is arranged on the insulating layer (9), the second layer (5) on the first layer (3), and the small walls (7) are placed on the second layer (5), have a width w, and are spaced apart by a distance d. n4 is the refractive index in the space (E) between the small walls (7) and above the second layer (5), wherein: (n1 - n2) ≥ 0.1, (n3 - n2) ≥ 0.1, n4 < n3, η3λ/4 ≤ w < η3λ/2, η4λ/10 ≤ d ≤ 3η4λ, e2 ≤ η2λ/5. λ is the wavelength of the light to be propagated in the optical guide.

IPC Classes  ?

• G02B 6/122 - Basic optical elements, e.g. light-guiding paths
• G01N 21/03 - Cuvette constructions

Abstract

The invention relates to a device for measuring forces, comprising: a first body (41) intended to be immobilised; a second body guided in at least one first translational direction with respect to the first body by a first link; a third body (43) intended to be stressed and guided with a least three degrees of freedom with respect to the second body via a second link that is elastically deformable in at least one second direction perpendicular to the first; at least first to fourth contactless sensors (51) of the movement of the third body with respect to the first body, said first to fourth sensors measuring said movement in four respective non-collinear directions; and a processing circuit for calculating the forces applied to said third body depending on the movements measured by said first to fourth sensors.

IPC Classes  ?

• G01L 5/16 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
• G01N 19/02 - Measuring coefficient of friction between materials

Abstract

The invention relates to a method of acquiring the time derivative of a physical quantity comprising the estimation of the time derivative with the aid of the following relation: D1(t)= Dest + K1*Δ(t), where: - K1(t) = K1 (t-1) + τ*|X(t)|*α*[|Δ(t)|-L*K1(t-1)], where : |X(t)| is the absolute value of the value X(t) measured for the physical quantity, |Δ(t)| is the absolute value of a deviation Δ(t) between the value X(t) and an estimation Xest (t) of this value X(t), τ α and L are predetermined numerical parameters whose values are independent of the values X(t), - D1est is an estimation of the estimation D1(t) which takes: either a value D1est (t) calculated with the instant t, K1 then having the value K1 (t) calculated at the instant t, or a value D1est (t-1) calculated at the instant t-1, K1 then having the value K1 (t-1) calculated at the instant t-1.

IPC Classes  ?

• G06F 17/10 - Complex mathematical operations
• B60W 10/06 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
• F16H 61/70 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements
• G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
• G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
• G05B 19/44 - Programme-control systems fluidic pneumatic

Abstract

The present application relates to a process for manufacturing an electrode for electrochemical detection for detecting an analyte, said process comprising depositing, on a carrier filament, a metal layer able to catalyse the oxidation of an oxidisable compound, said deposition being carried out by a vacuum deposition process. The process may also comprise depositing, on the metallised filament, an enzymic layer able to catalyse the degradation of said analyte while generating said oxidisable compound. The invention also relates to an electrode manufactured using this process, to an associated device, and to a method for electrochemically detecting an analyte, in particular O2.

IPC Classes  ?

• G01N 27/327 - Biochemical electrodes
• A61B 5/145 - Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value
• A61B 5/1486 - Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value using chemical or electrochemical methods, e.g. by polarographic means using enzyme electrodes, e.g. with immobilised oxidase
• C12Q 1/00 - Measuring or testing processes involving enzymes, nucleic acids or microorganismsCompositions thereforProcesses of preparing such compositions

Abstract

The present invention relates to a lithography and transfer method including the following consecutive steps: a) a step for depositing at least one biopolymer onto a substrate from an aqueous solution of said biopolymer; b) a step for exposing localized areas of the deposited biopolymer(s) to electromagnetic radiation or to an electron or ion beam in a pattern or series of patterns; c) a development step, causing the removal of the biopolymer(s) on the exposed areas so as to obtain substrate areas that are not covered with biopolymer(s) and that correspond to said pattern or to said series of patterns, which areas are defined by a mask of biopolymer(s); d) a step for transferring the pattern or series of patterns by etching, deposition, and/or implanting onto the areas of the substrate that are not covered by the mask of biopolymer(s); and e) a step for selectively removing the mask of biopolymer(s) deposited onto the substrate, the biopolymer(s) being selected from among chitosan and alginates.

IPC Classes  ?

• G03F 7/039 - Macromolecular compounds which are photodegradable, e.g. positive electron resists

Abstract

The invention relates to a process for treating a liquid effluent comprising an organic pollutant, said process producing electrical energy, characterized in that: the liquid effluent has a pH belonging to the range extending from 2 to 4 and contains aqueous hydrogen peroxide solution, at least one anode and one cathode are submerged in the liquid effluent and are connected to one another by an electrical circuit, said at least one anode being capable of generating Fe2+ ions by galvanic corrosion and said at least one cathode being made of a material more noble than the constituent material of the anode, Fe2+ ions are generated at the anode by galvanic corrosion and react, according to the Fenton reaction, with the aqueous hydrogen peroxide solution present in the liquid effluent, in order to form HO radicals that lead to the degradation, by oxidation, of the organic pollutant present in the effluent and the production of electrical energy, the electrical energy generated is recovered, and also to a device for the implementation of such a process.

IPC Classes  ?

• C02F 1/72 - Treatment of water, waste water, or sewage by oxidation
• H01M 14/00 - Electrochemical current or voltage generators not provided for in groups Manufacture thereof

Abstract

The invention relates to a method for compressing data representing a digital three-dimensional object, comprising: acquiring a three-dimensional object comprising a mesh formed from a plurality of polygons (12, 14), and a texture atlas of the polygons of the mesh, and simplifying the mesh by deletion of vertices, which deletes polygons and replaces same with new polygons having a broader face; and wherein, before the deletion of the vertices, the method comprises: identifying first (12) and second (14) adjacent polygons with different textures in the mesh, then splitting the first (B) and second (C) shared vertices by creating third (B') and fourth (C') vertices.

IPC Classes  ?

• G06T 9/00 - Image coding
• G06T 17/20 - Wire-frame description, e.g. polygonalisation or tessellation

Abstract

The present invention relates to a method for dimensioning a turbomachine comprising a casing and a disc to which at least one blade is secured, said disc being rotationally driven by a shaft about a turbomachine axis (z), comprising: - acquisition (E1) of the coordinates (P) of the ends of the leading edge and of the trailing edge of the blade in a frame of reference connected with the disc; - expression (E2) of the coordinates (P') of the ends of the leading edge and of the trailing edge of the blade in a frame of reference connected with the casing; - calculation (E3) of the distance (g) between the casing and the ends of the leading edge and trailing edge of the blade from the coordinates (P') expressed in the frame of reference connected with the casing; - calculation (E4) of the contact pressures between the blade and the casing along the end of the blade from the calculated distance (g); - calculation (E5) of the reaction forces and moments resulting from contact between the blade and the casing from the calculated pressures; - dimensioning (E6) of the turbomachine as a function of the calculated distances, pressures, forces and moments.

IPC Classes  ?

• F01D 11/14 - Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing

Abstract

The present invention relates to a method for dimensioning a turbomachine comprising a casing and a disc to which at least one blade is secured, said disc being rotationally driven by a shaft about a turbomachine axis (z), comprising: - acquisition (E1) of the coordinates (P) of the ends of the leading edge and of the trailing edge of the blade in a frame of reference connected with the disc; - expression (E2) of the coordinates (P') of the ends of the leading edge and of the trailing edge of the blade in a frame of reference connected with the casing; - calculation (E3) of the distance (g) between the casing and the ends of the leading edge and trailing edge of the blade from the coordinates (P') expressed in the frame of reference connected with the casing; - calculation (E4) of the contact pressures between the blade and the casing along the end of the blade from the calculated distance (g); - calculation (E5) of the reaction forces and moments resulting from contact between the blade and the casing from the calculated pressures; - dimensioning (E6) of the turbomachine as a function of the calculated distances, pressures, forces and moments.

IPC Classes  ?

• F01D 5/14 - Form or construction
• F01D 11/14 - Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing

Abstract

A device for characterizing a fluid medium with the help of a photoelectric transducer comprises at least one semiconductor substrate possessing at least one space charge zone and presenting a reception surface for receiving the fluid medium in order to constitute an interface between the substrate and the fluid medium, a production system for producing a spot light beam that is amplitude-modulated and that lights at least one zone of the interface through the fluid medium, a measurement system for measuring values of a photoelectric magnitude delivered while performing the lighting so as to create a matrix of values of the photoelectric magnitude, and a processor system for processing values of the photoelectric magnitude delivered by the measurement system and adapted to use the matrix to determine an electronic signature characteristic of the fluid medium.

IPC Classes  ?

• G01N 21/27 - ColourSpectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection
• G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
• G01N 21/17 - Systems in which incident light is modified in accordance with the properties of the material investigated

Abstract

Method for surface treatment of a transparent polymer part, consisting of, in a first step, etching a determined topography of patterns in relief onto the external surface of a metal mould using a femtosecond laser and, in a second step, applying the mould under pressure onto the surface of the part to be treated, in such a way as to reproduce the patterns of the mould, in negative, on the part; said topography of patterns being adapted to the type of polymer, both to optimize the wettability of the surface preventing the formation of condensation on said surface and also so as not to affect the optical properties of the part.

IPC Classes  ?

• G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
• B08B 17/06 - Preventing deposition of fouling or of dust by giving articles subject to fouling a special shape for arrangement
• B29D 11/00 - Producing optical elements, e.g. lenses or prisms
• B60R 1/00 - Optical viewing arrangementsReal-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles

Abstract

The invention relates to an imaging device (E) comprising: at least one generator (1) of structured light; an emission first image guide (5, 5') for uplinking the structured light from the generator (1) to an object to be observed; and a return second image guide (5', 5) for downlinking the light reflected by said object to be observed to a system (2) for capturing said reflected light. Each of the two image guides (5, 5') is able to uplink the structured light and downlink the reflected light, and the imaging device comprises an optical switch (3) configurable into three different operating modes.

IPC Classes  ?

• G02B 23/24 - Instruments for viewing the inside of hollow bodies, e.g. fibrescopes
• A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
• G02B 23/26 - Instruments for viewing the inside of hollow bodies, e.g. fibrescopes using light guides

Abstract

The present invention concerns a lubricant composition comprising at least one base oil, at least one organomolybdenum compound, at least one compound comprising a dithiophosphate group and at least one fatty triamine. The lubricant composition according to the invention has good friction properties for steel/steel contacts, for steel/carbon coating contacts and for carbon coating/carbon coating contacts, while retaining good anti-wear properties.

IPC Classes  ?

• C10M 141/10 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic phosphorus-containing compound
• C10N 10/12 - Groups 6 or 16
• C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
• C10N 40/25 - Internal-combustion engines
• C10N 70/00 - Special methods of preparation

Abstract

An aerodynamic system designed to be arranged near at least one rear edge (2, 42, 43) of a box-shaped rear portion of a vehicle (3). The aerodynamic system (1) comprises, in the operative position: at least one gas jet generating system (12) able to generate jets of gas (17); at least one outer surface (45) along which air flow generated by at least the forward motion of the vehicle is flowing; at least one opening which opens onto the outer surface (45) and which is connected to said at least one gas jet generating system (12) in order to blow jets of gas (17) in the atmosphere and to influence said air flow. The opening (16) being designed and/or oriented to blow jets of gas (17) rearward. The outer surface (45) comprises at least a guiding surface (20) extending at least partially downstream from said opening (16) and oriented inwards from front to rear, in order to guide said influenced air flow downstream from the opening (16). The gas jet generating system (12) is designed to discontinuously generate jets of gas (17) at a frequency F that is higher than 100 Hz, that is preferably comprised between 200 Hz and 1000 Hz and more preferably between 200 Hz and 450 Hz.

IPC Classes  ?

• B62D 35/00 - Vehicle bodies characterised by streamlining
• B62D 37/02 - Stabilising vehicle bodies without controlling suspension arrangements by aerodynamic means

Abstract

This invention relates to an electronic system including a radiative electromagnetic emitter for emitting an activation signal including sequentially an energy supply signal followed by an identification signal, the power of the energy supply signal being at least ten times greater than the power of the identification signal, further including an interface connected to an energy supply source; an electric load; a circuit for deactivating a placing of electric load on standby, including: a receiver including a reception interface, a rectifier configured to generate a DC activation voltage on the basis of an activation signal, a switch configured to selectively connect/disconnect to the load from the energy supply, an identification circuit configured to extract an identifier of the activation signal and configured to apply the activation voltage as closure control signal for turning off the switch if a match of the identifier is determined.

IPC Classes  ?

• H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
• H02M 7/217 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
• H04W 52/02 - Power saving arrangements

Abstract

The invention relates to a fibre-optic component (1) including: - an optical fibre (3), - at least one cylindrical interferential mirror (5) incorporated into the optical fibre (3) and made up of longitudinal inclusions (7) made from a material having a refraction index n greater than or equal to two times the refraction index n of the optical fibre (3).

IPC Classes  ?

• G02B 6/02 - Optical fibres with cladding

Abstract

The invention concerns a radio antenna, comprising - a dielectric substrate (8); - an electrically conductive track (10), of width W, extending longitudinally between two terminal ends (20, 22), only within a strip (24) of width L delimited, on one side, by an outer limit (26) and, on the other side, by an inner limit (28), said limits each forming a closed loop; and in which: - the track defines a periodic "U"- or "V"-shaped pattern (30), repeated N times, and comprising strands of track, separated from each other by a spacing distance S and forming side bars of the "U" or "V", -L is less than 5 mm; -N is greater than 3; -W is greater than or equal to 0.15 mm; -S is greater than or equal to 0.01 mm.

IPC Classes  ?

• H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
• H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
• H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• H01Q 19/13 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination

Abstract

The invention concerns a method for characterising a fluid medium (3) using a semi-conductive substrate (2). According to the invention, the method comprises the following steps: - producing a receiving surface (6) for the fluid medium (3) on at least one face of the substrate (2), - bringing the fluid medium to be characterised into contact with the receiving surface (6), in order to produce a substrate/fluid medium interface (7), - illuminating, through the fluid medium (3), at least one area of the interface (7) using a pulsed light beam (9) to create photogenerated electrical charges, - using a microwave reflectometer (10) to measure the lifetime of the photogenerated electrical charges of which the value depends on the recombination rate at the substrate/fluid medium interface (7), - creating a matrix of the values of the measured lifetimes of the photogenerated electrical charges, - determining an electronic signature characteristic of the fluid medium from the created matrix of lifetimes.

IPC Classes  ?

• G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
• G01N 21/17 - Systems in which incident light is modified in accordance with the properties of the material investigated

Abstract

The invention concerns a device for characterising a fluid medium (3) using a photoelectric transducer (2). According to the invention, the device comprises: at least one semi-conductive substrate (4) having at least one space charge region {5} and having a receiving surface (6) for the fluid medium with a view to forming a substrate/fluid medium interface (7); a system (8) for producing an amplitude-modulated point light beam (9) that illuminates, through the fluid medium (3), at least one area of the interface (7), a system (10) for measuring the values of a photoelectric magnitude delivered during the illumination in order to create a matrix of the photoelectric magnitude values, and a system (12) for processing the photoelectric magnitude values delivered by the measurement system (10), designed to determine, from the matrix, an electronic signature characteristic of the fluid medium.

IPC Classes  ?

• G01N 21/17 - Systems in which incident light is modified in accordance with the properties of the material investigated

Abstract

The aerodynamic system (1), arranged near one rear edge of a vehicle (3), comprises: - one outer surface (45) along which air flow generated by the forward motion of the vehicle is flowing; - one opening which opens onto the outer surface and which is connected to one gas jet generating system (12) in order to blow jets of gas (17) rearward in the atmosphere and to influence said air flow. The outer surface comprises a guiding surface (20) located downstream from said opening and oriented inwards from front to rear, in order to guide said influenced air flow downstream from the opening. The jets of gas are discontinuously generated at a frequency F ≥ (0,4 x U) / H, where U is a parameter corresponding at least to the vehicle speed in the forward direction (in m/s) and H is the vehicle height (in m).

IPC Classes  ?

• B62D 35/00 - Vehicle bodies characterised by streamlining