Abstract

The present disclosure includes a guide light unit which is provided on a housing side having a battery of a transport device including an electric vehicle and Urban Air Mobility (UAM) accommodated therein, clearly guides a firefighting water inlet through which firefighting water is able to be injected toward the battery side to prevent a fire of the battery or a fire, is disposed adjacent to the firefighting water inlet, and includes light sources; and a controller which generates a control signal so that a location of the firefighting water inlet and a state of the battery are able to be guided and the light sources each are able to emit light on the basis of the control signal.

IPC Classes  ?

• A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
• A62C 3/08 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
• B60Q 1/52 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating emergencies
• B60Q 9/00 - Arrangement or adaptation of signal devices not provided for in one of main groups

Abstract

Proposed are a defect detection system and method using deep neural network based analysis of composite thermal image data, wherein considering time-series features of thermal image data of a composite obtained with a thermal imaging camera, the structure of a deep neural network model that can learn is designed, and the model is used to accurately detect fine defects and internal defects of a composite material structure without disassembly thereof.

IPC Classes  ?

• G06T 7/00 - Image analysis

Abstract

The present invention relates to a deep neural network-based defect detection system and defect detection method using composite thermographic data analysis, the system and method making it possible to: design the structure of a deep neural network model capable of being trained in consideration of the time-series characteristics of composite thermographic data obtained by a thermal imaging camera; and, by using same, accurately detect fine-sized defects and internal defects without disassembling a composite structure.

IPC Classes  ?

• G01N 25/72 - Investigating presence of flaws
• G01J 5/00 - Radiation pyrometry, e.g. infrared or optical thermometry
• G01J 5/48 - ThermographyTechniques using wholly visual means
• G06N 3/08 - Learning methods
• G06N 3/04 - Architecture, e.g. interconnection topology

Abstract

An offshore wind power-based water electrolysis system includes an offshore wind turbine generator installed offshore to produce electricity using offshore wind energy, a water electrolysis facility installed offshore to produce hydrogen by electrolysis of water using the electricity, a hydrogen maritime transport apparatus to transport the hydrogen produced through the water electrolysis facility to onshore, a hydrogen above-ground storage facility installed on ground to store the transported hydrogen and dispense the hydrogen to ground transport apparatuses, and a system maintenance and management apparatus to calculate and notify a remaining useful life of blades in the offshore wind turbine generator by performing debonding damage simulation, fatigue crack growth simulation and remaining useful life simulation of the blades in a sequential order, and determine and notify stability through finite element analysis for each hydrogen tank in the hydrogen maritime transport apparatus and the hydrogen above-ground storage facility.

IPC Classes  ?

• G06F 30/12 - Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
• F03D 9/19 - Combinations of wind motors with apparatus storing energy storing chemical energy, e.g. using electrolysis
• F03D 17/00 - Monitoring or testing of wind motors, e.g. diagnostics

Abstract

Disclosed is a support structure for an offshore wind power generator which is applicable to various seafloor terrains by increasing the number of seafloor penetration cylinders that are installed to be penetrated into and fixed to a seafloor ground and in which a vibration generation part and a seawater injection part assist the penetration of the seafloor penetration cylinders into the seafloor ground. The support structure for an offshore wind power generator includes: five seafloor penetration cylinders; covers provided above the five seafloor penetration cylinders, respectively; a drain part provided inside each of the covers; a seawater injection part provided in each of the five seafloor penetration cylinders to inject high-pressure seawater and align horizontal levels of the five seafloor penetration cylinders; and a supporting stand connected to the covers via connection parts.

IPC Classes  ?

• E02D 27/42 - Foundations for poles, masts, or chimneys
• E02D 7/18 - Placing by vibrating
• E02D 7/20 - Placing by pressure or pulling power
• E02D 7/24 - Placing by using fluid jets
• E02D 7/26 - Placing by using several means simultaneously
• E02D 27/52 - Submerged foundations
• F03D 13/25 - Arrangements for mounting or supporting wind motorsMasts or towers for wind motors specially adapted for offshore installation

Abstract

Disclosed is a liquid crystal-based multifunctional micro robot including a micro structure including at least one topological defect, an adherent micro particle that is bound to the topological defect and induces self-assembly of a target including a bacterium and a target material based on an antigen-antibody reaction, a physical binding reaction, or a chemical binding reaction, and the bacterium that is attached to the adherent micro particle and provides self-power so that the micro structure approaches the target material.

IPC Classes  ?

• A61K 47/69 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit
• A61K 41/00 - Medicinal preparations obtained by treating materials with wave energy or particle radiation
• A61K 47/68 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment

Abstract

A fire extinguishing device for an electric or hydrogen vehicle battery is configured to directly spray a fire extinguishing liquid between a battery module and a housing covering the battery module, in an event of a fire in the battery module of the electric or hydrogen vehicle, thereby improving fire suppression efficiency. The fire extinguishing device may include a fire extinguishing liquid inlet and a fire extinguishing liquid outlet formed in the battery housing, and a connection hose having a side connected to the fire extinguishing liquid inlet and an opposite side connected to a vehicle body.

IPC Classes  ?

• A62C 3/07 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles

Abstract

An active ion transport system according to one embodiment comprises: an accommodation part fixed to a fixing case; a reaction part communicating with the accommodation part, and having an aqueous electrolyte solution movably filled therein; and a magnetic field generation part encompassing the reaction part, and generating, for the reaction part, a rotational magnetic field with a rotational axis at the center thereof, wherein, when the magnetic field rotates by means of the magnetic field generating part, anions and cations of the aqueous solution are separated from each other in the reaction part, and thus can respectively move toward different sections in the accommodation part.

IPC Classes  ?

• C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
• C25B 9/60 - Constructional parts of cells
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 1/50 - Processes

Abstract

The present disclosure relates to a method for providing cancer diagnosis information using a thermal analysis method and a portable cancer diagnosis device using a thermal analysis method. The method for providing cancer diagnosis information using a thermal analysis method according to the present disclosure is capable of diagnosing the type, progression, metastasis, etc. of cancer using the thermochemical reaction onset temperature, calorie change, etc. obtained by analyzing the heat flux to and from a biological sample. In addition, the portable cancer diagnosis device using a thermal analysis method of the present disclosure is capable of diagnosing the presence of cancer accurately and easily using the temperature function data depending on time measured by heating the biological sample.

IPC Classes  ?

• G01N 25/20 - Investigating or analysing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
• G01N 33/574 - ImmunoassayBiospecific binding assayMaterials therefor for cancer
• G01K 7/02 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples

Abstract

A fastening structure of a fuel cell stack according to the present invention is a structure in which a plurality of electrode plate groups, in which a plurality of electrode plates are stacked, are stacked. In a state in which the plurality of electrode plate groups separated by respectively stacking the plurality of electrode plates having two or more different structures, are formed, fastening force is dispersed by applying a distributed fastening method integrally formed by using a blocking plate disposed on upper and lower ends of a plurality of stacked electrode plate groups.

IPC Classes  ?

• H01M 8/2465 - Details of groupings of fuel cells
• H01M 8/248 - Means for compression of the fuel cell stacks

Abstract

The present invention relates to a method for providing cancer diagnosis information using a thermal analysis method and to a portable cancer diagnosis device using a thermal analysis method. The method for providing cancer diagnosis information using a thermal analysis method of the present invention is capable of diagnosing a type, progress, spread, etc. of cancer by using a thermochemical reaction onset temperature, caloric change results, etc. which are obtained by analyzing heat entry and exit of biological samples. In addition, the portable cancer diagnostic device using a thermal analysis method of the present invention is capable of accurately and easily diagnosing the presence of cancer by using temperature function data corresponding to time measured by heating the biological samples.

IPC Classes  ?

• G01N 33/483 - Physical analysis of biological material
• G01N 25/20 - Investigating or analysing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity

Abstract

The present invention relates to cookies containing fermented Dodam rice flour and a preparation method therefor, the method comprising the steps of: soaking, into water, Dodam rice that contains 10-15 wt% of resistant starch, 4-7 wt% of dietary fiber, and 40-45 wt% of amylose, and then treating same with ultrasonic waves; and fermenting the ultrasonically treated Dodam rice with a lactic acid bacterial preparation, and thus the cookies are prepared by using the fermented Dodam rice, thereby having improved texture and delayed staling so as to have enhanced storability.

IPC Classes  ?

• A23G 3/42 - Sweetmeats, confectionery or marzipanProcesses for the preparation thereof characterised by the composition characterised by the carbohydrates used, e.g. polysaccharides
• A23L 7/104 - Fermentation of farinaceous cereal or cereal materialAddition of enzymes or microorganisms
• A23G 3/34 - Sweetmeats, confectionery or marzipanProcesses for the preparation thereof
• A23G 3/46 - Sweetmeats, confectionery or marzipanProcesses for the preparation thereof characterised by the composition containing dairy products

Abstract

A motor having a stator with coupled teeth according to the present invention includes a stator which includes a circular base, a plurality of poles radially formed in the base, and a plurality of teeth formed on an outer diameter of the pole; and a rotor which includes a rotor housing in which the stator is positioned inside and a plurality of magnets facing the teeth are formed on an inner wall, wherein two teeth are symmetrically formed on an outer diameter portion for each pole, and the number of teeth is twice the number of poles.

IPC Classes  ?

• H02K 1/16 - Stator cores with slots for windings
• H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
• H02K 1/27 - Rotor cores with permanent magnets
• H02K 21/14 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures

Abstract

The present invention relates to an antimicrobial peptide analog derived from Haliotis discus and an antimicrobial pharmaceutical composition containing same. The antimicrobial peptide analog, according to the present invention, is designed with hdMolluscidin, which is a peptide derived from the gills of Haliotis discus and is designed to allow commercialization by reducing the number of amino acids. Also, the antimicrobial peptide analog has excellent antimicrobial activity despite reduced amino acids. In addition, the antimicrobial peptide analog has low membrane permeability and low hemolytic activity.

IPC Classes  ?

• C07K 7/06 - Linear peptides containing only normal peptide links having 5 to 11 amino acids
• C07K 7/08 - Linear peptides containing only normal peptide links having 12 to 20 amino acids
• A61K 8/64 - ProteinsPeptidesDerivatives or degradation products thereof
• A61K 38/08 - Peptides having 5 to 11 amino acids
• A61K 38/10 - Peptides having 12 to 20 amino acids
• A61Q 19/00 - Preparations for care of the skin
• A23L 33/18 - PeptidesProtein hydrolysates
• A23K 20/147 - Polymeric derivatives, e.g. peptides or proteins
• A23K 20/195 - Antibiotics

Abstract

The present invention is characterized by a zirconia sintered body and a method for producing a sintered body, wherein the method comprises: a molding step for forming a zirconia molded body that has zirconia as a main component and includes a redox oxide; and a zirconia reduction firing step in which the color of the zirconia molded body is changed by means of including a reduction metal oxide therein by adjusting at least one selected from among the firing temperature, the firing time, and the reduction firing gas partial pressure in a reduction firing atmosphere for supplying a reduction firing gas to a firing furnace.

IPC Classes  ?

• A61C 13/08 - Artificial teethMaking same
• A61C 13/083 - Porcelain or ceramic teeth
• C04B 35/64 - Burning or sintering processes
• C04B 35/48 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on zirconium or hafnium oxides or zirconates or hafnates

Abstract

Disclosed are a three-dimensional wave-shaped fin and a heat exchanger comprising the same. A three-dimensional wave-shaped fin (100) according to an embodiment of the present invention is a three-dimensional wave-shaped fin (100) for a heat exchanger, which is formed to have a plurality of tube binding holes (101) alternately arranged at regular intervals. The constitution of the fin is characterized in that: the three-dimensional wave-shaped fin (100) has a plurality of wave structures formed on a surface thereof; the wave structures have an upstream portion and a downstream portion which are axisymmetric to each other with respect to an imaginary line (L1) passing through a center of the tube binding hole (101) in a direction perpendicular to a flow direction; and the wave structures have a longer wave pitch at a portion in which a fluid flows fast along the three-dimensional wave-shaped fin (100), compared to an adjacent portion. A three-dimensional wave-shaped fin according to the present invention enables an effective heat transfer length of fluid to be increased, and consequently can noticeably improve heat transfer performance.

IPC Classes  ?

• F28F 1/30 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
• F28F 1/26 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being integral with the element
• F28F 1/34 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely

Abstract

A motor having a stator with coupled teeth according to the present invention includes a stator which includes a circular base, a plurality of poles radially formed in the base, and a plurality of teeth formed on an outer diameter of the pole; and a rotor which includes a rotor housing in which the stator is positioned inside and a plurality of magnets facing the teeth are formed on an inner wall, wherein two teeth are symmetrically formed on an outer diameter portion for each pole, and the number of teeth is twice the number of poles.

IPC Classes  ?

• H02K 1/14 - Stator cores with salient poles
• H02K 1/27 - Rotor cores with permanent magnets

Abstract

The present disclosure relates to a method for hash collision detection based on the sorting unit of the bucket designed to reduce the future search time by pre-aligning the database in the bucket and to enhance the efficiency in a search within the database. The present disclosure, a method for hash collision detection based on the sorting unit of the bucket using conventional separate chaining method, comprises aligning records in a single bucket of a directory in ascending order or descending order and maintaining the alignment of records in the bucket when new records are added to the directory.

IPC Classes  ?

• G06F 7/00 - Methods or arrangements for processing data by operating upon the order or content of the data handled
• G06F 16/901 - IndexingData structures thereforStorage structures

Abstract

The present application relates to a heap sorting method based on arrangement and apparatus which can improve the heap sorting conducting speed through reducing access (I/O) frequency of the external memory when conducting heap sorting through storing binary data in the basic access unit of the external memory device in reference to the subtree unit.

IPC Classes  ?

• G06F 12/02 - Addressing or allocationRelocation
• G06F 13/00 - Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
• G06F 7/22 - Arrangements for sorting or merging computer data on continuous record carriers, e.g. tape, drum, disc

Abstract

The purpose of the present invention is to provide a tube body for reclamation which improves horizontality after construction and at the same time increases a coupling force between structures. To this end, the present invention provides a geotextile main tube body comprising: a body part having an inner accommodation part; an insertion part provided on the body part so as to enable dredged soil to be inserted into the accommodation part; and coupling parts provided, after the body part expands, to protrude from both sides of the body part with heights and directions corresponding to each other.

IPC Classes  ?

• E02B 3/00 - Engineering work in connection with control or use of streams, rivers, coasts, or other marine sitesSealings or joints for engineering work in general
• E02B 3/18 - Reclamation of land from water

Abstract

The present invention relates to a method for removing unburned carbon of fly ash using plasma. More specifically, the present invention provides a method for removing unburned carbon of fly ash using plasma, the method being characterized in that the kind of gas used in a plasma treatment process is oxygen.

IPC Classes  ?

• B01D 53/32 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by electrical effects other than those provided for in group
• H05H 1/24 - Generating plasma

Abstract

The present invention relates to a glass batch composition having soda-lime silicate-based waste glass from building and automobile windows and glass bottles, and borosilicate-based LCD waste glass as the main raw materials, and used for a soda-lime borosilicate-based sound absorbing and heat insulating material. More specifically, a glass batch composition for a soda-lime borosilicate-based sound absorbing and heat insulating material is provided, the batch composition comprising soda-lime silicate-based waste glass and borosilicate-based LCD waste glass which is generated from commercial manufacturing processes for display panels or modules or from waste modules of which the service life has ended, and the batch composition having, as the main raw materials, the soda-lime silicate-based waste glass and LCD waste glass which are characterized in that silica, sodium carbonate, and sodium sulfate are further included and at least one selected from among bora x pentahydrate and colemanite is added.

IPC Classes  ?

• C03C 6/02 - Glass batch compositions containing silicates, e.g. cullet

Abstract

The present invention provides a containment building of a nuclear power plant, comprising: a building body part having a sidewall part and a roof part; a plurality of internal fins which are installed inside the building body part and formed of a metal material; a plurality of external fins which are installed outside the building body part and formed of a metal material; and a fin connecting part, formed of a metal material, for connecting the internal fins with the external fins.

IPC Classes  ?

• G21C 13/02 - Pressure vesselsContainment vesselsContainment in general Details

Abstract

A tip airfoil of a wind turbine blade has a suction surface and a pressure surface formed at the upper side and the lower side of a chord line which connects the leading edge and the trailing edge. The operating Reynolds number is 30,000 to 1,000,000, and the angle of attack of the airfoil is 0 to 21 degrees. The maximum lift coefficient is 1.2 to 1.5, and the minimum drag coefficient is 0.01 to 0.06.

IPC Classes  ?

• F03D 1/06 - Rotors

Abstract

A divergence type geotextile tube for filling a port includes a main body to which a main hose for injecting dredge soil is connected, the main body having a lower portion inserted in the tube structure, and an outlet provided in the main body to exhaust the injected dredge soil in a lateral direction, in a state of being inserted in the tube structure.

IPC Classes  ?

• F16L 11/02 - Hoses, i.e. flexible pipes made of fibres or threads, e.g. of textile
• B65D 88/54 - Large containers characterised by means facilitating filling or emptying
• E02B 3/12 - Revetment of banks, dams, watercourses, or the like

Abstract

An ocean life repelling device and an array including the same are provided. The ocean life repelling device comprises: a buoy floating on the water; a magnetic field generator formed at the lower end of the buoy and generating a magnetic field repelling marine life; and a solar cell module formed on the buoy and providing power to the magnetic field generator, wherein the magnetic field generator comprises a first electrode, a second electrode separated from the first electrode through a cable, and a length controller for controlling the length of the cable, and the length controller automatically controls the length of the cable corresponding to changes in sea level.

IPC Classes  ?

• A01K 99/00 - Methods or apparatus for fishing not provided for in groups
• A01M 29/24 - Scaring or repelling devices, e.g. bird-scaring apparatus using electric or magnetic effects, e.g. electric shocks, magnetic fields or microwaves
• B63B 22/18 - Buoys having means to control attitude or position, e.g. reaction surfaces or tether

Abstract

The present invention is to provide an injection port for filling dredged soil of a geotextile tube body to enable smooth injection of dredged soil. To this end, the present invention provides the branched type injection port for filling the dredged soil of the geotextile tube body, comprising: a main body unit connected with a main hose for injecting the dredged soil and having a lower part to be inserted into the inside of the geotextile tube body; and discharge units provided to both sides of the main body unit to discharge the injected dredged soil in the lateral direction in a state of being inserted into the inside of the geotextile tube body.

IPC Classes  ?

• E02B 3/00 - Engineering work in connection with control or use of streams, rivers, coasts, or other marine sitesSealings or joints for engineering work in general

Abstract

The present invention relates to a solar cell and a manufacturing method therefor. The solar cell of the present invention comprises: a substrate which includes a p-type semiconductor layer and an n-type semiconductor layer, wherein the surface of the substrate includes a pattern of convex parts having specific intervals, and the distance from the center portion of the pattern of convex parts to a depletion layer is 1 ㎛ or less. Furthermore, the solar cell of the present invention has excellent optical efficiency and electrical properties.

IPC Classes  ?

• H01L 31/04 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof adapted as photovoltaic [PV] conversion devices
• 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 method for preparing an ABZO transparent conductive film capable of replacing ITO in order to more conveniently provide an ABZO transparent conductive film at low cost. According to the present invention, provided is a method for preparing a transparent conductive film made from ABZO by forming an AZO layer after the thermal diffusion or vapor diffusion of boron on a glass substrate for an LCD, and allowing boron to be diffused in the AZO layer by annealing the same, thereby providing a preparation method capable of mass producing a transparent conductive film having electrical conductivity and transparency equal to those of ITO.

IPC Classes  ?

• H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables

Abstract

The present invention relates to an apparatus including a wind guide for converting building wind power to a heat source, which includes the wind guide, a rotor, a wind power heater, and a heat collection tank. The wind guide has: an upper end portion that has a front portion and a rear portion which are coupled to each other in such a manner that the respective ends thereof are in contact with each other and both extend opposite each other above the rotor; a fixing unit that supports and fixes the upper end portion to a building; and an adjustment drive that is capable of adjusting the length and the elevation angle of the front portion and the rear portion respectively. The elevation angles of the front portion and the rear portion are adjusted according to a longitudinal direction ratio between the front portion and the rear portion in accordance with the direction of the wind. The rotor is disposed below the upper end portion. The wind power heater heats a heat medium by means of the rotation of the rotor. The heat medium heated by the wind power heater is collected in the heat collection tank. The apparatus for converting building wind power to a heat source according to the present invention uses the wind guide and allows the wind to flow at a high speed into the rotor of the apparatus for converting building wind power to a heat source so that heating efficiency of the apparatus for converting wind power to a heat source is increased. Also, the shape of the wind guide is optimized according to the environment in which the wind guide is installed so that more heat can be produced using the same amount of wind. Also, an eddy current is produced following the rotation of a permanent magnet so that the permanent magnet arranged in the rotor in a heat medium heating structure is optimized and energy conversion efficiency is increased.

IPC Classes  ?

• F03D 9/00 - Adaptations of wind motors for special useCombinations of wind motors with apparatus driven therebyWind motors specially adapted for installation in particular locations
• F03D 3/00 - Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
• F03D 3/04 - Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor having stationary wind-guiding means, e.g. with shrouds or channels
• F03D 11/00 - Details, component parts, or accessories not provided for in, or of interest apart from, the other groups of this subclass

Abstract

Disclosed is a root airfoil of a wind turbine blade. The root airfoil of a wind turbine blade according to one embodiment of the present invention has a suction surface and a pressure surface formed at the upper side and at the lower side of a chord which interconnects the leading edge and the trailing edge. The operating Reynolds number is 30,000 to 1,000,000, and the angle of attack of the airfoil is 0 to 21 degrees. The maximum lift coefficient is 0.8 to 1.1, and the minimum drag coefficient is 0.02 to 0.07.

IPC Classes  ?

• F03D 1/06 - Rotors
• F03D 3/06 - Rotors
• F03D 11/00 - Details, component parts, or accessories not provided for in, or of interest apart from, the other groups of this subclass

Abstract

Disclosed is a tip airfoil of a wind turbine blade. The tip airfoil of a wind turbine blade according to one embodiment of the present invention has a suction surface and a pressure surface formed at the upper side and at the lower side of a chord which interconnects the leading edge and the trailing edge. The operating Reynolds number is 30,000 to 1,000,000, and the angle of attack of the airfoil is 0 to 21 degrees. The maximum lift coefficient is 1.2 to 1.5, and the minimum drag coefficient is 0.01 to 0.06.

IPC Classes  ?

• F03D 1/06 - Rotors
• F03D 3/06 - Rotors
• F03D 11/00 - Details, component parts, or accessories not provided for in, or of interest apart from, the other groups of this subclass

Abstract

The present invention relates to a method for purifying contaminated soil and to a purification apparatus which use multifunctional surfactant foam. The purification method is characterized by comprising the steps of: leveling contaminated soil so as to make the contaminated soil flat and even; producing a foam from which a surfactant foam including microorganisms is to be made; and forming a surfactant foam layer by means of which a contaminant material is biodegraded by the microorganisms which are placed in an aqueous solution of the surfactant and pass through porous voids in the soil by bursting the surfactant foam at the top of the contaminated soil after covering the top of the contaminated soil with the surfactant foam.

IPC Classes  ?

• B09C 1/08 - Reclamation of contaminated soil chemically
• B09C 1/10 - Reclamation of contaminated soil microbiologically or by using enzymes

Abstract

According to one embodiment of the present invention, an apparatus for deburring an object having a center hole formed at the center thereof and arc-shaped processing holes arranged around the center of the center hole, comprises: a first fixing member inserted into the center hole from one side of the object so as to fix the object; a second fixing member inserted into the center hole from the other side of the object so as to fix the object; first upper deburring members inserted into the respective processing holes from one side of the object such that each of the first upper deburring members moves along one side of each of the processing holes from one end toward the other end of each of the processing holes so as to deburr one side of each of the processing holes; and second upper deburring members inserted into the respective processing holes from the other side of the object such that each of the second upper deburring members moves along the other side of each of the processing holes from the other end toward one end of each of the processing holes so as to deburr the other side of each of the processing holes.

IPC Classes  ?

• B23C 3/12 - Trimming or finishing edges, e.g. deburring welded corners
• B23B 5/02 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for turning hubs or brake drums
• B23B 5/16 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
• B24B 9/00 - Machines or devices designed for grinding edges or bevels on work or for removing burrsAccessories therefor