Abrégé

The invention relates to a method for detecting foreign entities (E) in a fluid flow (F), in particular gas bubbles or particulate solids, wherein the method is carried out by means of a vortex flowmeter system (1) having a vortex sensor (11), and wherein at least the following method steps are carried out: - continuous sensing of a measurement signal (S) by means of the vortex sensor (11), - determining an actual value of at least one measured variable dependent on the measurement signal (S), wherein the measured variable is sensitive to foreign entities (E) entrained in the fluid flow (F), - determining a deviation of the actual value from a setpoint value, wherein the setpoint value characterises the fluid flow (F) without foreign entities (E), - determining and outputting an indicator signal (I), based on the deviation of the actual value, as a measure for the concentration of foreign entities (E) entrained in the fluid flow (F).

Classes IPC  ?

• G01F 1/32 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement utilisant des débitmètres à tourbillons
• G01F 1/74 - Dispositifs pour la mesure du débit d'un matériau fluide ou du débit d'un matériau solide fluent en suspension dans un autre fluide

Abrégé

The invention relates to a sensor unit (1) for a flowmeter (100) for measuring the flow rate of a fluid in accordance with the vortex principle, wherein the sensor unit (1) is configured for arrangement in a measuring tube (10) or at another fluid conducting body (10a), wherein the sensor unit (1) has at least one base member (11) and one measuring sensing element, (12), and wherein the measuring sensing element (12) is received in or at the base member (11), In accordance with the invention, the base member (11) has a frame portion (13) that at least partially surrounds the measuring sensing element (12), and with an elastomeric body (14) being provided by means of which the measuring sensing element (12) is held at the frame portion (13). The invention is further directed to a flow meter (100) having such a sensor unit (1).

Classes IPC  ?

• G01F 1/32 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement utilisant des débitmètres à tourbillons
• G01F 1/325 - Moyens de détection de quantités utilisées comme variables de substitution corrélées à l’effet des tourbillons

Abrégé

A flowmeter for measuring the flow rate of a fluid has a measuring tube which forms a measurement space through which the fluid can flow. At least one disruptive body is arranged in the measurement space. The measurement space additionally has, downstream of the disruptive body, a pickup arranged in it that can be deflected based on a vortex formation at the disruptive body. In order to minimize the flow resistance for the fluid when flowing through the flowmeter, the measuring tube has an elliptical cross-section at least in the region of the arrangement of the disruptive body.

Classes IPC  ?

• G01F 1/32 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement utilisant des débitmètres à tourbillons

Abrégé

A method of operating a temperature calibrator for calibrating a temperature sensor having a calibration block into which the temperature sensor is introduced and having a heating means by which the calibration block is heated and having a cooling unit by which the calibration block is cooled and an actuator by which the cooling unit is brought into thermal conductivity contact with the calibration block during cooling and is spatially separated from the calibration block during heating while forming an air gap. The invention further relates to a temperature calibrator is also disclosed.

Classes IPC  ?

• G01K 15/00 - Test ou étalonnage des thermomètres

Abrégé

The invention relates to a method for determining the temperature of a fluid (F) flowing through a line body (1), at least having the following steps: - generating a thermal model of the line body (1), said thermal model being suitable for calculating the time curve of the surface temperature of a measurement section of the exterior of the line body (1) from a known time curve of the fluid temperature, and - continuously repeating the following steps: i. calculating the surface temperature of the measurement section of the exterior of the line body (1) using the thermal model on the basis of an estimated value of the fluid temperature, ii. measuring the surface temperature of the measurement section of the exterior of the line body (1), iii. correcting the estimated value of the fluid temperature such that the measured surface temperature has the highest degree of probability on the basis of the corrected estimated value of the fluid temperature in the thermal model, and iv. outputting the corrected estimated value of the fluid temperature.

Classes IPC  ?

• G01K 7/42 - Circuits pour la compensation de l’inertie thermiqueCircuits pour prévoir la valeur stationnaire de la température
• G01K 13/02 - Thermomètres spécialement adaptés à des fins spécifiques pour mesurer la température de fluides en mouvement ou de matériaux granulaires capables de s'écouler

Abrégé

The subject of the invention is a flowmeter (1) for measuring the flow rate of a fluid, having a measuring tube (10), which forms a measurement space (11) through which the fluid can flow, and having at least one disruptive body (12), which is arranged in the measurement space (11), and wherein the measurement space (11) additionally has, downstream of the disruptive body (12), a pickup (13) arranged in it that can be deflected based on a vortex formation at the disruptive body (12). In order to minimize the flow resistance for the fluid when flowing through the flowmeter (1), the measuring tube (10) has, according to the invention, an elliptical cross-section (Q1) at least in the region of the arrangement of the disruptive body (12).

Classes IPC  ?

• G01F 1/32 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement utilisant des débitmètres à tourbillons
• G01F 15/14 - Revêtements, p. ex. avec un matériau spécial

Abrégé

A calibration setup for calibrating a temperature sensor includes a temperature calibrator, a temperature measuring unit connected to the temperature sensor, a camera unit configured to detect a measured temperature value and to transmit the measured temperature value to a storage medium in the temperature calibrator. A method of calibrating a temperature sensor using the calibration setup includes heating the temperature sensor to a first calibration temperature; detecting a first temperature value by the camera unit; transmitting the first temperature value from the camera unit to a storage medium in the temperature calibrator; heating the temperature sensor to at least a second calibration temperature; detecting a second temperature value by the camera unit; transmitting the second temperature value from the camera unit to the storage medium; and displaying the detected and stored temperature values on a calibrator indicator display in a respective association with the calibration temperatures.

Classes IPC  ?

• G01K 15/00 - Test ou étalonnage des thermomètres
• G01K 1/022 - Moyens d’indication ou d’enregistrement spécialement adaptés aux thermomètres pour l’enregistrement
• G08B 5/22 - Systèmes de signalisation optique, p. ex. systèmes d'appel de personnes, indication à distance de l'occupation de sièges utilisant une transmission électriqueSystèmes de signalisation optique, p. ex. systèmes d'appel de personnes, indication à distance de l'occupation de sièges utilisant une transmission électromécanique
• H04N 7/18 - Systèmes de télévision en circuit fermé [CCTV], c.-à-d. systèmes dans lesquels le signal vidéo n'est pas diffusé

Abrégé

A flow measurement method for optical measurement of a volume flow of a fluid in a closed cross-section, and a flow measurement device for this purpose, has at least one light source and at least one sensor unit. Particles present in the fluid are detected within a measurement plane by the sensor unit. At least one measurement plane and the particles present therein are illuminated with the light source. The sensor unit is provided with at least two or with a plurality of individual detectors with which sensor signals are outputted. A computing unit is connected downstream of the sensor unit, with which the sensor signals are processed in real time by integrating and weighting the individual signals of the individual detectors using a spatial-filtering technique and outputted as an output signal.

Classes IPC  ?

• G01F 1/708 - Mesure du temps de parcours d'une distance déterminée

Abrégé

A pipe adapter for optical flow measurement having a fluid pipe that has a flow-through inner flow space. At least one window element transparent to a measurement optics is introduced in the fluid pipe. The fluid pipe is surrounded, at least in the region of the window element, by a pressure-resistant housing by which the window element is mounted in an inner housing space, and with the inner housing space is at least indirectly fluidically interactive and/or in fluidic communication with the inner flow space.

Classes IPC  ?

• G01P 5/26 - Mesure de la vitesse des fluides, p. ex. d'un courant atmosphériqueMesure de la vitesse de corps, p. ex. navires, aéronefs, par rapport à des fluides en mesurant l'influence directe du courant de fluide sur les propriétés d'une onde optique de détection
• G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p. ex. en utilisant des débitmètres à ultrasons
• G01F 15/18 - Supports ou moyens de raccordement pour les compteurs
• G01P 1/02 - Boîtiers

Abrégé

A method for calibrating a temperature measuring device having a temperature measuring unit and having at least one sensor connectable to the temperature measuring unit includes the steps of providing a temperature calibrator having a sensor mount into which the sensor is inserted and heated to a test temperature, inserting the at least one sensor into the sensor mount, setting up a communication channel for a data transmission between the temperature calibrator and the temperature measuring device, and transmitting a calibration value from the temperature calibrator to the temperature measuring device by means of the communication channel.

Classes IPC  ?

• G01K 15/00 - Test ou étalonnage des thermomètres
• G01K 7/42 - Circuits pour la compensation de l’inertie thermiqueCircuits pour prévoir la valeur stationnaire de la température
• G01K 7/02 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments thermo-électriques, p. ex. des thermocouples

Abrégé

A device and a method for determining the flow velocity of a fluid in a hollow body, including at least one disturbance device disposed in the hollow body and at least one sensor for identifying disturbances that are induced in the flow by the disturbance device, which is disposed at a certain distance downstream in the direction of flow from the disturbance device, wherein the disturbance device includes means for generating changeable disturbances in the fluid flow.

Classes IPC  ?

• G01F 1/32 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement utilisant des débitmètres à tourbillons

Abrégé

A flow meter for measuring the flow velocity of a fluid includes a measurement tube that is axially bounded by at least one flange end and that forms a measurement space that can be flowed through by the fluid. At least one baffle is provided for generating interference in the flow, wherein the baffle is arranged in the measurement space. A detector for detecting the interference is arranged downstream of the baffle. An insertion element is introduced into the measurement tube and has a base portion. The base portion is arranged in the flange end. The insertion element has brackets that adjoin the base portion and that project into the measurement space, with the baffle being formed and its position in the measurement space being held between the brackets.

Classes IPC  ?

• G01F 1/32 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement utilisant des débitmètres à tourbillons

Abrégé

A temperature calibrator for calibrating temperature function devices has an outer and an inner housing as well as a calibrator block. The calibrator block is radially spaced from the inner housing to form a flow space. The flow space is in communication with the environment at the upper end and at the lower end to generate a flow. A fan having a fan wheel that can be driven by a motor is connected to the flow space. The fan wheel is formed from a heat-resistant material; and the fan forms a predominantly closed surface in a plan view.

Classes IPC  ?

• G01K 15/00 - Test ou étalonnage des thermomètres
• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
• H02K 5/04 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction

Abrégé

A flow meter for measuring the flow rate of a fluid, with a measuring tube that forms a measurement chamber through which the fluid can flow and with at least one bluff body that is disposed in the measurement chamber and wherein, additionally, a measuring body, which can be displaced due to the formation of vortices at the bluff body, is disposed downstream of the bluff body in the measurement chamber. The flow meter has at least one protrusion protruding into the measurement chamber and is formed upstream of the bluff body at an inner wall delimiting the measurement chamber.

Classes IPC  ?

• G01F 1/32 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement utilisant des débitmètres à tourbillons
• G01F 15/14 - Revêtements, p. ex. avec un matériau spécial

Abrégé

A block calibrator for calibrating a temperature sensor includes a calibrator sleeve having at least one sensor bore into which the temperature sensor is insertable along a longitudinal direction. The calibration sleeve also includes a body having at least two sections having different thermal conductivities.

Classes IPC  ?

• G01K 15/00 - Test ou étalonnage des thermomètres

Abrégé

A block calibrator for calibrating a temperature sensor with a heating block, on which or in which at least one heating appliance is disposed, and wherein the heating block features a receiving bore for receiving a calibration insert, into which a test object formed by a temperature sensor can be inserted. According to the invention, an air gap (L) is formed at least in certain areas between an internal wall of the receiving bore and an external wall of the calibration insert.

Classes IPC  ?

• G01K 15/00 - Test ou étalonnage des thermomètres
• G01K 7/02 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments thermo-électriques, p. ex. des thermocouples
• G05D 23/19 - Commande de la température caractérisée par l'utilisation de moyens électriques

Abrégé

wherein the temperature calibrator further comprises at least one magnetocaloric material and at least one magnetic field generating device.

Classes IPC  ?

• G01K 15/00 - Test ou étalonnage des thermomètres

Produits et services

Optical, measuring, analysis, checking (supervision) or diagnostic apparatus and instruments; Optical, measuring, analysis, checking (supervision) or diagnostic apparatus and instruments for use in agriculture and forestry; Computer hardware; Computer software; Computer software for diagnosing the condition of flora and fauna in relation to agriculture and forestry; Transmitters and receivers for data transmission; Sensors for data recording; Sensors for determining condition data of flora and fauna in relation to agriculture and forestry; Apparatus for processing data regarding the condition of flora and fauna in relation to agriculture and forestry for optimising the treatment of flora and fauna; electrical and electronic controllers, In particular for agricultural and forestry machines and apparatus. Scientific and technological services, In particular in the field of agriculture and forestry; Analysis of chemical residues, in particular in the field of agriculture and forestry; Design of computer hardware and software.

Abrégé

The invention relates to a method for regulating the temperature of the calibration volume of an apparatus for comparative calibration of temperature sensors to a target temperature, wherein said calibration device comprises heat sources and/or heat sinks, which are in thermal contact via a heat conducting part or a plurality of heat conducting parts with the calibration volume, wherein in at least one process step the real thermal state is calculated, wherein the Kalman filter is fed the measurement values of a temperature sensor located in the calibration device, and in at least one more process step the future thermal state is calculated using a thermal model of the dynamics of states.

Classes IPC  ?

• G01K 15/00 - Test ou étalonnage des thermomètres
• G05D 23/19 - Commande de la température caractérisée par l'utilisation de moyens électriques
• G05B 13/04 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques impliquant l'usage de modèles ou de simulateurs
• G05B 17/00 - Systèmes impliquant l'usage de modèles ou de simulateurs desdits systèmes

Abrégé

A calibrator for calibrating devices with a temperature function, e.g. thermometers or thermal switches has an input and display unit. The calibrator has a capacitive touchscreen with the input and display unit.

Classes IPC  ?

• G01K 15/00 - Test ou étalonnage des thermomètres
• G06F 3/044 - Numériseurs, p. ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction par des moyens capacitifs
• G06F 3/0488 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] utilisant des caractéristiques spécifiques fournies par le périphérique d’entrée, p. ex. des fonctions commandées par la rotation d’une souris à deux capteurs, ou par la nature du périphérique d’entrée, p. ex. des gestes en fonction de la pression exercée enregistrée par une tablette numérique utilisant un écran tactile ou une tablette numérique, p. ex. entrée de commandes par des tracés gestuels

Abrégé

The invention relates to a magnetically inductive flow meter (MID) for determining the flow rate of a liquid or gaseous medium in a pipe line section (2), wherein the flow meter comprises at least one measuring electrode (3a, 3b) in a magnetic field generated by a magnetic field-generating arrangement, wherein the magnetic field-generating arrangement is arranged at least partially within the free cross-section (4) of the pipeline section (2).

Classes IPC  ?

• G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques

Abrégé

The invention relates to a flow meter, comprising a housing having an inner lateral face, through which housing a liquid or a gas flows, wherein the housing has at least one piezoelectric film for generating electrical energy arranged on the inner lateral face thereof, wherein an electronic circuit is provided with an output device that is connected to the piezoelectric film, wherein a value for the rate of flow, which value is dependent on the electrical energy generated by the piezoelectric film, is specified by the output device.

Classes IPC  ?

• G01F 1/32 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement utilisant des débitmètres à tourbillons
• G01F 15/06 - Dispositifs d'indication ou d'enregistrement

Produits et services

Electric controlling, measuring and regulating equipment, flow switcher.

Produits et services

Electric controlling, measuring and regulating equipment, flow switcher.

Produits et services

Electric controlling, measuring and regulating equipment, flow switches.

Produits et services

Apparatus and instruments for measuring temperature, in particular thermometers, glass thermometers, dial type thermometers, laboratory thermometers, thermometers with contact, electronic thermometers, machine thermometers, thermometers with electric teletransmitter, measuring transformers, electric and electronic analyzing and indication apparatus for the afore mentioned apparatus and instruments; electric measuring amplifier, except for scales and for accessories and parts of scales; apparatus for measuring and monitoring flow; water meters; water cost allocators; measurement equipment for water consumption and control, leakage warning systems; flow measuring apparatus for allocating and billing of costs, e.g. oil or gas; radio systems for electronic monitoring, control and indication systems for temperature, humidity, flow and level; sensors and transmitters, in particular electric and electronic temperature sensors, humidity sensors, flow sensors and level sensors; calibrators for temperature, humidity, flow and level; switches actuated by temperature, humidity, flow or level; apparatus for monitoring flow systems for fluids or gas in buildings.

Produits et services

Electronic flow meters, in particular ultrasonic flow meters; electronic flow switches, in particular flow switches with an ultrasonic base.

Produits et services

Electronic flow meters and electronic flow switches.

Produits et services

(1) Thermometers for industrial and laboratory use, namely, glass thermometers, dial type thermometers, thermometers with contact, laboratory thermometers, and electronic thermometers. (2) Sensors, namely, temperature sensors, humidity sensors, fluid level sensors, and fluid flow sensors. (3) Electric and electronic apparatus for monitoring, control and indication of temperature sensors, humidity sensors, fluid level sensors, and fluid flow sensors, namely, temperature controllers, humidity controllers, fluid level controllers, fluid flow controllers, temperature indicators, humidity indicators, fluid level indicators, fluid flow indicators, temperature transmitters and systems assembled from the above components. (4) Sensors and transmitters for temperature, sensors and transmitters for humidity, sensors and transmitters for fluid level, and sensors and transmitters for fluid flow. (5) Calibrators, namely, temperature calibrators, humidity calibrators, fluid level calibrators, and fluid flow calibrators. (6) Switches actuated by temperature, switches actuated by humidity, switches actuated by fluid level, and switches actuated by fluid flow.

Produits et services

(1) Instrument transformers; electric and electronic apparatus for analyzing and indicating instrument transformers; electric measuring amplifiers; water meters; water cost allocators; fluid leakage warning systems; fluid flow measuring apparatus for allocating and billing of costs; radio systems for electronic monitoring, control, and indication systems for temperature, humidity, fluid flow, and fluid level; apparatus for monitoring flow systems for fluids or gas in buildings.

Produits et services

Appareils et instruments pour mesurer la température, en particulier thermomètres et thermomètres en verre pour machines avec détecteur de température électrique intégré, ainsi que transformateurs de mesure, appareils d'exploitation et indicateurs électroniques et électriques pour les appareils et instruments précités, parties des produits précités.

Produits et services

Thermometers, thermometers for machines, glass thermometers, dial thermometers, contacting thermometers, resistance thermometers, thermometers equipped with electrical remote indicators, current regulating apparatus, current regulating switches, electrical amplifiers for measuring purposes (except for scales, their accessories and parts).

Produits et services

(1) Tools and instruments for temperature measurements, testing and to be used as standards, namely: industrial thermometers having broad reading column; with limit indicators; for use in the open air; for low temperature measurements; indoor thermometers; tank thermometers; engine heating and exhaust measuring thermometers; glass thermometers; dial thermometers, contact thermometers; resistance thermometers with electric tele-transmitters with or without bipolar amplifier.