Produits et services

Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus; apparatus and instruments responsive to a variable for measuring and/or controlling pressure, temperature, liquid level, electrical output, electrical magnitudes, flow of fluids, and determination of the presence of flames - namely, alarm, control and signalling systems; computer peripheral devices; computer programmes [programs], recorded; computer programs [downloadable software]; computer software, recorded; electronic publications [downloadable]; fire beaters; fire blankets; interfaces for computers; juke boxes [for computers]; monitors [computer programs]; peripheral devices (computer -); programs (computer -) [downloadable software]; programs (computer operating -) recorded; publications (electronic -), downloadable; software (computer -), [recorded]; computer operating programs, recorded. Building construction; repair; installation services; airplane maintenance and repair; computer hardware (installation, maintenance and repair of -); information (repair -); machinery installation, maintenance and repair; maintenance (vehicle -); motor vehicle maintenance and repair; repair information; vehicle maintenance. Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; consultancy in the design and development of computer hardware; computer rental; conversion of data or documents from physical to electronic media; rental (computer -); rental of computer software; software (rental of computer -); quality control; calibration [measuring].

Produits et services

Measuring, signaling, checking, and inspecting apparatus and instruments, namely, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrical controlling devices, electrical connection boxes, electric voltage transformers, electric current switches, electric transformers; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrical controlling devices, electrical connection boxes, electric voltage transformers, electric current switches, electric transformers; apparatus for recording, transmission or reproduction of sound or images; sensors for the measurement of rotational speed, shaft torque, position, pressure, fluid density, flow of fluids and acceleration, namely, digital torque gauges, pressure gauges, acceleration sensors; thermocouples; resistance temperature sensors; diode temperature sensors, optical and ultrasound temperature sensors; electric sensors intended for measuring and detection apparatus and instruments; electric sensors for measuring physical parameters; electric sensors for measuring temperature, pressure, fluid density, flow of fluids, rotational speed and shaft torque; electric apparatus and instruments for testing and measuring, namely, electronic flow meters and timers; instruments and apparatus for determining the moisture content of materials, namely, sensors for measuring physical characteristics, namely, moisture of electronic, metal and plastic materials; thermometers not for medical purposes; instruments for measuring light, namely, photometers; standard batteries; electric circuit analyzers, namely, digital multimeters; circuit testers; tachometers; tachometric generators, namely, pulse generators in the nature of electronic circuits; electric and electronic indicators, displays, and display instruments for use with electric and electronic measuring apparatus and devices, namely, electronic display interfaces; apparatus and instruments for the detection of ice and particle detection, namely, ice detecting sensors; electric apparatus for testing electronic devices, namely, computer component testing and calibrating equipment; photographic analyzers, namely, infrared cameras; circuit analyzers and detectors, namely, circuit testers; amplifiers; electric resistors for calibration; apparatus for controlling temperature using resistance temperature sensors or for pressure control using strain gages and pressure sensors, namely, temperature devices for controlling temperature of aeronautical equipment and instruments and pressure devices for controlling the pressure of aeronautical equipment and instruments; apparatus for controlling temperature, speed, shaft torque, pressure, and flow of fuel using other physical properties of gas turbines using sensors, namely, electronic control systems for engines; electric apparatus for measuring and testing, namely, thermocouples, aircraft temperature sensors, aircraft speedometers, digital aircraft torque gauges, aircraft pressure sensors, aircraft vibration meters, aircraft fluid flow meters, and fluid level indicators for monitoring fluid levels in aircraft; control apparatus for the use of electrical sensors, namely, electric control panels; harnesses being sets of electric and electronic cables and junction boxes for the interconnection between electric sensors and apparatus for processing, display and control; electric instruments for measuring physical characteristics, namely, temperature, speed, shaft torque, pressure, flow and density in the nature of electric sensors, thermometers non for medical use, photometers, pressure sensors, pressures gauges, digital torque gauges; apparatus and instruments for measuring electricity, heat or light, namely, electric sensors; electrical transformers; photosensors being photoelectric sensors, photometers; apparatus and instruments for measuring pressure and humidity; apparatus and instruments for responding to a variable for measuring and/or checking the pressure, temperature, liquid level, power generation, electric magnitude, fluids flow and for determining the presence of flames, namely, for fire alarm, signaling and checking systems, specifically, sensors for use in fire alarm detection systems

Produits et services

Scientific, nautical, surveying, optical, weighing, measuring, signaling, checking, and inspection apparatus and instruments, namely, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrical controlling devices, electrical connection boxes, electric voltage transformers, electric current switchers, electric transformers; apparatus for recording, transmission or reproduction of sound or images; magnetic recording media, namely, blank magnetic tapes for tape recorders, magnetic tape units for computers, blank magnetic disks; data processing equipment and computers; sensors for measurement of rotational speed, shaft torque, position, pressure, fluid density, fluid flow, and acceleration, all not for medical use; thermocouples; resistance temperature sensors; diode temperature sensors, ultrasound and optical temperature sensors; electric sensors intended for use in measuring and detection apparatus and instruments; electric sensors for measuring physical parameters; electric sensors for measuring temperature, pressure, fluid density, fluid flow, rotational speed and shaft torque; electric apparatus and instruments for testing and measuring, namely, electronic meters and timers; instruments and apparatus for determining the moisture content of materials, namely, sensors for measuring physical characteristics, namely, moisture of materials; thermometers not for medical purposes, instruments for measuring light, standard batteries, electric circuit analyzers being circuit testers, tachometers and tachometric generators; electric and electronic display instruments for use with electric and electronic measuring apparatus and devices, namely, digital signal display panels, flexible flat panel displays for computers, electric luminescent display panels, light emitting code (LED) displays; apparatus and instruments for the detection of ice and particle detection, namely, ice detecting sensors; electric apparatus for testing electronic devices, namely, computer component testing and calibrating equipment; photographic analyzers, namely, infrared image analyzer; circuit analyzers and detectors, namely, circuit testers; amplifiers; calibration resistors, namely, industrial calibration sensors; apparatus for controlling temperature using resistance temperature detectors for pressure control; automatic pressure control machines and instruments in the nature of apparatus for pressure control using strain gages and pressure sensors; electronic apparatus for controlling temperature for gas turbines, and electronic apparatus for controlling the speed of gas turbines; electronic apparatus for controlling shaft torque of gas turbines; automatic pressure control machines and instruments in the nature of apparatus for controlling air pressure, and apparatus for controlling flow of fuel being control valves for regulating the flow of gases and liquids, and apparatus for controlling sensors using other physical properties using sensors for controlling the speed, the direction, control of reactors; electric apparatus for measuring and testing, namely, thermocouples, speed pressure and pressure speed sensors; control apparatus in the nature of electric control devices for the use of electrical sensors, namely, sensors for measuring physical characteristics, namely, temperature, shaft speed, shaft torque, pressure, flow and density; harnesses in the nature of electric cables for use in connection and junction boxes for the interconnection between electric sensors and apparatus for processing, display and control; electric instruments in the nature of sensors for measuring physical characteristics, namely, temperature, shaft speed, shaft torque, pressure, flow and density; apparatus and instruments in the nature of electric sensors for measuring electricity, heat or light; electrical transformers; photosensors; apparatus and instruments in the nature of electronic sensors for measuring pressure and humidity; apparatus and instruments responding to a variable to measure and/or checking pressure, temperature, liquid level, power generation, electrical magnitude, the electric flow of fluids and for determining the presence of system flames, namely, for fire alarm, checking and signaling systems in the nature of fire alarms; peripherals adapted for use with computers being computers peripherals; recorded computer programs for use in the field of sensors for measuring physical characteristics, namely, temperature, shaft speed, shaft torque, pressure, flow and density; computer programs in the nature of downloadable computer software for the use in database management, and in electronic storage of data; recorded software for managing control apparatus in the nature of electric control devices and measuring apparatus; electronic publications, downloadable in the nature of podcasts, newspapers, magazines and newsletters in the field of electric control devices and measuring apparatus; fire beaters, namely, fire extinguishing apparatus; fire-extinguishing blankets; computer interfaces; juke boxes for computers; monitors being computer programs, namely, downloadable programs for monitoring the capacity of electronic storage servers; computer programs in the nature of downloadable computer software for sensors for measuring physical characteristics, namely, temperature, shaft speed, shaft torque, pressure, flow and density; interfaces for computers; monitors being computers programs, namely, downloadable computers programs for monitoring sensors for measuring physical characteristics, namely, temperature, shaft speed, shaft torque, pressure, flow and density; recorded computer operating system software Airplane maintenance and repair; installation, maintenance and repair of computer hardware; providing information relating to repairs; machinery installation, maintenance and repair; vehicle maintenance; maintenance and repair of automobile vehicles; repair of scientific, nautical, surveying, optical, weighing, measuring, signaling, checking, inspection, apparatus and instruments, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, apparatus for recording, transmitting, reproducing sound or images, magnetic recording media, information processing equipment and computers, sensors for measuring rotational speed, shaft torque, position, pressure, fluid density, fluid flow, acceleration, thermocouples, resistance temperature sensors, diode temperature sensors, ultrasonic and optical temperature sensors, electrical sensors for measuring and sensing devices and instruments, electrical sensors for measuring physical parameters, electrical sensors for measuring temperature, pressure, fluid density, fluid flow rate, rotational speed and shaft torque, electrical test and measuring devices and instruments, namely, electronic counters and timers, instruments and devices for determining the moisture content of materials, thermometers, light measuring instruments, standard batteries, electrical circuit analyzers, tachometers and tachometric generators, electrical and electronic indicators and displays for use with measuring devices and apparatus, apparatus and instruments for ice and particle detection, electrical apparatus for testing electronic devices, photographic analyzers, circuit analyzers and detectors, amplifiers, calibration resistors, apparatus for temperature control using resistance temperature detectors or for pressure control using strain gauges and pressure sensors, apparatus for monitoring temperature, gas turbine speed, gas turbine shaft torque, atmospheric pressure, fuel flow and other physical characteristics using sensors, electrical test and measurement equipment, namely, thermocouples, pressure and speed sensors, control equipment for the use of electrical sensors, harnesses being sets of electrical or electronic cables and junction boxes for the interconnection between electrical sensors and processing, control and display equipment, electrical instruments for the measurement of physical characteristics, namely, temperature, shaft speed, shaft torque, pressure, density and flow, apparatus and instruments for measuring electricity, heat or light, electrical transformers, photodetectors, apparatus and instruments for measuring humidity and pressure, apparatus and instruments responsive to a variable for measuring and/or controlling pressure, temperature, liquid level, electrical production, electrical magnitude, fluid flow and determination of the presence of flames, namely, alarm, control and signaling systems, peripherals suitable for use with computers, disk changers, peripherals suitable for use with computers Scientific and technological services as well as research and design services relating thereto, namely, research in the field of sensors for measuring physical characteristics, namely, temperature, shaft speed, shaft torque, pressure, flow and density; industrial analysis and research services, namely, industrial analysis and researches services in the field of sensors for measuring physical characteristics, namely, temperature, shaft speed, shaft torque, pressure, flow and density; design and development of computers and software; consultancy relating to computers, namely, computer software consultation; computer security consultancy consulting services in the field of cloud computing, consultancy in the design and development of computer hardware; computer rental; software rental; conversion of data or documents from physical to electronic media; quality control for others; measuring in the nature of calibration services

Abrégé

The invention relates to a method of manufacturing an element sensitive to at least one physical parameter of a flow of fluid, comprising a step consisting in a single cycle of immersing, in molten glass, a core of a preassembled sensitive element, said core comprising at least two longitudinal channels along which there pass longitudinally at least two conducting connecting wires which are connected to an at least two-wire winding, said winding being suited to forming a resistive or inductive circuit for detecting said physical parameter, said immersion allowing the connecting wires to be sealed into the channels, allowing said channels to be filled and allowing the outside of the core to be coated in a single immersion, the core, at the end of said single immersion cycle, being sealed and coated in such a way as to obtain an assembled sensitive element. Advantageously, the winding may be “corkscrew” wound inside the longitudinal channels, immersion allowing the connecting wires to be held on the winding and controlling the space between the turns of the winding.

Classes IPC  ?

• B05D 5/12 - Procédés pour appliquer des liquides ou d'autres matériaux fluides aux surfaces pour obtenir des effets, finis ou des structures de surface particuliers pour obtenir un revêtement ayant des propriétés électriques spécifiques
• G01F 1/69 - Dispositions de structure; Montage des éléments, p.ex. relativement à l'écoulement de fluide utilisant un élément de chauffage, de refroidissement ou de détection d'un type particulier du type à résistance
• G01K 1/08 - Dispositifs de protection, p.ex. étuis
• G01K 7/16 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments résistifs
• 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
• H01C 1/028 - Boîtiers; Enveloppes; Enrobage; Remplissage de boîtier ou d'enveloppe l'élément résistif étant enrobé dans un matériau isolant pourvu d'une gaine extérieure
• B05D 1/18 - Procédés pour appliquer des liquides ou d'autres matériaux fluides aux surfaces par immersion
• C03B 25/02 - Recuisson des articles de verre en discontinu
• H01C 17/00 - Appareils ou procédés spécialement adaptés à la fabrication de résistances
• H01F 27/28 - Bobines; Enroulements; Connexions conductrices
• H01F 41/06 - Enroulement de bobines

Abrégé

The invention concerns an aircraft probe for resisting formation and propagation of ice comprising: • a base that is intended to be attached to an aircraft; • a housing extending from the base, said housing comprising:  a body extending from a leading edge of the housing to a trailing edge of the housing, defining at least an airfoil portion extending at least partially from the base to the end of the housing;  an airflow inlet having a first surface facing to an incoming airflow;  a primary airflow passage from the airflow inlet to a primary airflow outlet; and  a sensor assembly disposed within a sensor flow passage; wherein the surface of said housing having functional properties, said functional properties comprising hydrophobic or superhydrophobic and or icephobic or omniphobic, or hydrophilic properties characterized in that said surface functional properties are induced partly or wholly by laser treatment of the surface and wherein surface functional properties are arranged in topographical patterns.

Classes IPC  ?

• B64D 15/00 - Dégivrage ou antigivre des surfaces externes des aéronefs
• B64D 43/00 - Aménagements ou adaptations des instruments
• G01P 5/16 - Mesure de la vitesse des fluides, p.ex. d'un courant atmosphérique; Mesure de la vitesse de corps, p.ex. navires, aéronefs, par rapport à des fluides en mesurant les différences de pression dans le fluide en utilisant des tubes de Pitot
• G01P 13/02 - Indication de la direction uniquement, p.ex. par une girouette
• 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 invention relates to a pressure sensor including: a sensitive element including a mounting substrate, said mounting substrate including a top surface and a bottom surface, the sensitive element also including a deformable diaphragm that is connected to the top surface of the mounting substrate; a housing, in which the sensitive element is placed, said housing including a base; an intermediate structure placed between the base of the housing and the mounting substrate, said intermediate structure including a base, the base including a top surface and a bottom surface that is connected to the base of the housing, said intermediate structure being configured such as to keep the mounting substrate at a predetermined distance from the top surface of the intermediate structure; and an adhesive layer extending onto the top surface of the intermediate structure. Said adhesive layer has a thickness controlled by the predetermined distance at which the mounting substrate is kept from the top surface of the intermediate structure. The invention also relates to a method for making such a pressure sensor.

Classes IPC  ?

• G01L 19/04 - Moyens pour compenser les effets des variations de température
• G01L 19/14 - Boîtiers

Abrégé

The invention relates to a system for measuring pressure, including a pressure sensor comprising: a deformable membrane on which is placed a resistive bridge able to deliver a bridge voltage representative of a deformation of the deformable membrane caused by a pressure applied to said deformable membrane; a system for limiting the deformation of the deformable membrane, able to limit the bridge voltage in the case of an over-pressure or an under-pressure on the deformable membrane; and an amplifying electronic circuit connected to the resistive bridge, able to deliver an output voltage depending on the bridge voltage; the limiting system and the electronic circuit are conjointly configured so that the output voltage makes it possible to distinguish the case of failure of the pressure sensor and/or of the electronic circuit from the case of an over-pressure or under-pressure on the deformable membrane.

Classes IPC  ?

• G01L 9/12 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent en faisant usage des variations de la capacité
• G01L 19/06 - Moyens pour empêcher la surcharge ou l'influence délétère du milieu à mesurer sur le dispositif de mesure ou vice versa
• G01L 9/00 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent
• G01L 27/00 - Test ou étalonnage des appareils pour la mesure de la pression des fluides
• G01D 3/08 - Dispositions pour la mesure prévues pour les objets particuliers indiqués dans les sous-groupes du présent groupe avec dispositions pour protéger l'appareil, p.ex. contre les fonctionnements anormaux, contre les pannes

Abrégé

The invention relates to a method of manufacturing an element sensitive to at least one physical parameter of a flow of fluid, comprising a step consisting in a single cycle of immersing, in molten glass, a core of a preassembled sensitive element, said core comprising at least two longitudinal channels along which there pass longitudinally at least two conducting connecting wires which are connected to an at least two-wire winding, said winding being suited to forming a resistive or inductive circuit for detecting said physical parameter, said immersion allowing the connecting wires to be sealed into the channels, allowing said channels to be filled and allowing the outside of the core to be coated in a single immersion, the core, at the end of said single immersion cycle, being sealed and coated in such a way as to obtain an assembled sensitive element. Advantageously, the winding may be "corkscrew" wound inside the longitudinal channels, immersion allowing the connecting wires to be held on the winding and controlling the space between the turns of the winding.

Classes IPC  ?

• G01D 5/16 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier la résistance
• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile

Abrégé

The invention relates to a method of manufacturing an element sensitive to at least one physical parameter of a flow of fluid, comprising a step consisting in a single cycle of immersing, in molten glass, a core of a preassembled sensitive element, said core comprising at least two longitudinal channels along which there pass longitudinally at least two conducting connecting wires which are connected to an at least two-wire winding, said winding being suited to forming a resistive or inductive circuit for detecting said physical parameter, said immersion allowing the connecting wires to be sealed into the channels, allowing said channels to be filled and allowing the outside of the core to be coated in a single immersion, the core, at the end of said single immersion cycle, being sealed and coated in such a way as to obtain an assembled sensitive element. Advantageously, the winding may be "corkscrew" wound inside the longitudinal channels, immersion allowing the connecting wires to be held on the winding and controlling the space between the turns of the winding.

Classes IPC  ?

• G01F 1/69 - Dispositions de structure; Montage des éléments, p.ex. relativement à l'écoulement de fluide utilisant un élément de chauffage, de refroidissement ou de détection d'un type particulier du type à résistance
• G01K 1/08 - Dispositifs de protection, p.ex. étuis
• G01K 7/16 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments résistifs
• 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
• H01C 1/028 - Boîtiers; Enveloppes; Enrobage; Remplissage de boîtier ou d'enveloppe l'élément résistif étant enrobé dans un matériau isolant pourvu d'une gaine extérieure
• H01B 3/08 - Isolateurs ou corps isolants caractérisés par le matériau isolant; Emploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances inorganiques émaux vitreux

Abrégé

The invention relates to a pressure sensor including: a sensitive element including a mounting substrate, said mounting substrate including a top surface and a bottom surface, the sensitive element also including a deformable diaphragm that is connected to the top surface of the mounting substrate; a housing, in which the sensitive element is placed, said housing including a base; an intermediate structure placed between the base of the housing and the mounting substrate, said intermediate structure including a base, the base including a top surface and a bottom surface that is connected to the base of the housing, said intermediate structure being configured such as to keep the mounting substrate at a predetermined distance from the top surface of the intermediate structure; and an adhesive layer extending onto the top surface of the intermediate structure. Said adhesive layer has a thickness controlled by the predetermined distance at which the mounting substrate is kept from the top surface of the intermediate structure. The invention also relates to a method for making such a pressure sensor.

Classes IPC  ?

• G01L 19/14 - Boîtiers
• G01L 19/04 - Moyens pour compenser les effets des variations de température

Abrégé

The invention relates to a pressure sensor including: a sensitive element including a mounting substrate, said mounting substrate including a top surface and a bottom surface, the sensitive element also including a deformable diaphragm that is connected to the top surface of the mounting substrate; a housing, in which the sensitive element is placed, said housing including a base; an intermediate structure placed between the base of the housing and the mounting substrate, said intermediate structure including a base, the base including a top surface and a bottom surface that is connected to the base of the housing, said intermediate structure being configured such as to keep the mounting substrate at a predetermined distance from the top surface of the intermediate structure; and an adhesive layer extending onto the top surface of the intermediate structure. Said adhesive layer has a thickness controlled by the predetermined distance at which the mounting substrate is kept from the top surface of the intermediate structure. The invention also relates to a method for making such a pressure sensor.

Classes IPC  ?

• G01L 19/14 - Boîtiers
• G01L 19/04 - Moyens pour compenser les effets des variations de température

Abrégé

The invention relates to a method for producing a pressure sensor, comprising the following steps: assembling a support substrate with a deformable membrane on which strain gauges have been deposited, wherein the deformable membrane comprises a thinned area at the center thereof, the support substrate is disposed on top of the deformable membrane, the support substrate comprises an upper surface and a lower surface in contact with the deformable membrane, and the support substrate also comprises lateral recesses arranged on top of the strain gauges and a central recess arranged on top of the thinned area of the membrane, so as to obtain a micromechanical structure; and, once the assembly has been obtained, depositing, in a single step, at least one conductive material on the upper surface of the support and in the lateral recesses of the support, said conductive material extending into the recesses in order to be in contact with the strain gauges so as to form electrical contacts in contact with the strain gauges.

Classes IPC  ?

• H01S 4/00 - Dispositifs utilisant l’émission stimulée de rayonnement électromagnétique dans des gammes d’ondes autres que celles couvertes par les groupes , ou , p.ex. masers à phonon, lasers à rayons X ou lasers gamma
• G01R 3/00 - Appareils ou procédés spécialement adaptés à la fabrication des appareils de mesure
• B81B 3/00 - Dispositifs comportant des éléments flexibles ou déformables, p.ex. comportant des membranes ou des lamelles élastiques
• G01L 9/04 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent en faisant usage des variations de la résistance ohmique, p.ex. de potentiomètre de jauges de contrainte à résistance
• G01L 9/06 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent en faisant usage des variations de la résistance ohmique, p.ex. de potentiomètre de dispositifs piézo-résistants
• B81C 1/00 - Fabrication ou traitement de dispositifs ou de systèmes dans ou sur un substrat
• B32B 38/08 - Imprégnation
• B81B 7/02 - Systèmes à microstructure comportant des dispositifs électriques ou optiques distincts dont la fonction a une importance particulière, p.ex. systèmes micro-électromécaniques (SMEM, MEMS)
• G01L 7/08 - Mesure de la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments mécaniques ou hydrauliques sensibles à la pression sous forme de jauges, élastiquement déformables du type à diaphragme élastique
• G01L 9/00 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent
• G01L 19/14 - Boîtiers
• B81B 7/00 - Systèmes à microstructure
• G01L 19/00 - MESURE DES FORCES, DES CONTRAINTES, DES COUPLES, DU TRAVAIL, DE LA PUISSANCE MÉCANIQUE, DU RENDEMENT MÉCANIQUE OU DE LA PRESSION DES FLUIDES - Détails ou accessoires des appareils pour la mesure de la pression permanente ou quasi permanente d'un milieu fluent dans la mesure où ces détails ou accessoires ne sont pas particuliers à des types particuliers de manomètres

Abrégé

The invention relates to a system for measuring pressure, including a pressure sensor comprising: a deformable membrane on which is placed a resistive bridge able to deliver a bridge voltage representative of a deformation of the deformable membrane caused by a pressure applied to said deformable membrane; a system for limiting the deformation of the deformable membrane, able to limit the bridge voltage in the case of an over-pressure or an under-pressure on the deformable membrane; and an amplifying electronic circuit connected to the resistive bridge, able to deliver an output voltage depending on the bridge voltage; the limiting system and the electronic circuit are conjointly configured so that the output voltage makes it possible to distinguish the case of failure of the pressure sensor and/or of the electronic circuit from the case of an over-pressure or under-pressure on the deformable membrane.

Classes IPC  ?

• G01L 9/00 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent
• G01D 3/08 - Dispositions pour la mesure prévues pour les objets particuliers indiqués dans les sous-groupes du présent groupe avec dispositions pour protéger l'appareil, p.ex. contre les fonctionnements anormaux, contre les pannes
• G01L 19/06 - Moyens pour empêcher la surcharge ou l'influence délétère du milieu à mesurer sur le dispositif de mesure ou vice versa
• G01L 27/00 - Test ou étalonnage des appareils pour la mesure de la pression des fluides

Abrégé

The invention relates to a system for measuring pressure, including a pressure sensor comprising: a deformable membrane on which is placed a resistive bridge able to deliver a bridge voltage representative of a deformation of the deformable membrane caused by a pressure applied to said deformable membrane; a system for limiting the deformation of the deformable membrane, able to limit the bridge voltage in the case of an over-pressure or an under-pressure on the deformable membrane; and an amplifying electronic circuit connected to the resistive bridge, able to deliver an output voltage depending on the bridge voltage; the limiting system and the electronic circuit are conjointly configured so that the output voltage makes it possible to distinguish the case of failure of the pressure sensor and/or of the electronic circuit from the case of an over-pressure or under-pressure on the deformable membrane.

Classes IPC  ?

• G01L 9/00 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent
• G01L 19/06 - Moyens pour empêcher la surcharge ou l'influence délétère du milieu à mesurer sur le dispositif de mesure ou vice versa
• G01L 27/00 - Test ou étalonnage des appareils pour la mesure de la pression des fluides
• G01D 3/08 - Dispositions pour la mesure prévues pour les objets particuliers indiqués dans les sous-groupes du présent groupe avec dispositions pour protéger l'appareil, p.ex. contre les fonctionnements anormaux, contre les pannes

Abrégé

b) of the membrane (20).

Classes IPC  ?

• G01L 9/00 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent
• G01L 19/06 - Moyens pour empêcher la surcharge ou l'influence délétère du milieu à mesurer sur le dispositif de mesure ou vice versa
• B81B 3/00 - Dispositifs comportant des éléments flexibles ou déformables, p.ex. comportant des membranes ou des lamelles élastiques

Abrégé

The invention relates to a method for producing a pressure sensor, comprising the following steps: assembling a support substrate with a deformable membrane on which strain gauges have been deposited, wherein the deformable membrane comprises a thinned area at the centre thereof, the support substrate is disposed on top of the deformable membrane, the support substrate comprises an upper surface and a lower surface in contact with the deformable membrane, and the support substrate also comprises lateral recesses arranged on top of the strain gauges and a central recess arranged on top of the thinned area of the membrane, so as to obtain a micromechanical structure; and, once the assembly has been obtained, depositing, in a single step, at least one conductive material on the upper surface of the support and in the lateral recesses of the support, said conductive material extending into the recesses in order to be in contact with the strain gauges so as to form electrical contacts in contact with the strain gauges.

Classes IPC  ?

• G01L 9/00 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent
• B81C 1/00 - Fabrication ou traitement de dispositifs ou de systèmes dans ou sur un substrat
• G01L 9/04 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent en faisant usage des variations de la résistance ohmique, p.ex. de potentiomètre de jauges de contrainte à résistance
• G01L 9/06 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent en faisant usage des variations de la résistance ohmique, p.ex. de potentiomètre de dispositifs piézo-résistants
• G01L 19/00 - MESURE DES FORCES, DES CONTRAINTES, DES COUPLES, DU TRAVAIL, DE LA PUISSANCE MÉCANIQUE, DU RENDEMENT MÉCANIQUE OU DE LA PRESSION DES FLUIDES - Détails ou accessoires des appareils pour la mesure de la pression permanente ou quasi permanente d'un milieu fluent dans la mesure où ces détails ou accessoires ne sont pas particuliers à des types particuliers de manomètres

Abrégé

The invention relates to a method for producing a pressure sensor, comprising the following steps: assembling a support substrate with a deformable membrane on which strain gauges have been deposited, wherein the deformable membrane comprises a thinned area at the centre thereof, the support substrate is disposed on top of the deformable membrane, the support substrate comprises an upper surface and a lower surface in contact with the deformable membrane, and the support substrate also comprises lateral recesses arranged on top of the strain gauges and a central recess arranged on top of the thinned area of the membrane, so as to obtain a micromechanical structure; and, once the assembly has been obtained, depositing, in a single step, at least one conductive material on the upper surface of the support and in the lateral recesses of the support, said conductive material extending into the recesses in order to be in contact with the strain gauges so as to form electrical contacts in contact with the strain gauges.

Classes IPC  ?

• G01L 9/00 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent
• G01L 9/04 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent en faisant usage des variations de la résistance ohmique, p.ex. de potentiomètre de jauges de contrainte à résistance
• G01L 9/06 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent en faisant usage des variations de la résistance ohmique, p.ex. de potentiomètre de dispositifs piézo-résistants
• G01L 19/00 - MESURE DES FORCES, DES CONTRAINTES, DES COUPLES, DU TRAVAIL, DE LA PUISSANCE MÉCANIQUE, DU RENDEMENT MÉCANIQUE OU DE LA PRESSION DES FLUIDES - Détails ou accessoires des appareils pour la mesure de la pression permanente ou quasi permanente d'un milieu fluent dans la mesure où ces détails ou accessoires ne sont pas particuliers à des types particuliers de manomètres
• B81C 1/00 - Fabrication ou traitement de dispositifs ou de systèmes dans ou sur un substrat

Abrégé

The invention relates to a micromechanical structure for measuring or detecting a mechanical quantity or a dynamic quantity, including a deformable membrane (20) and a supporting substrate (10), the membrane (20) including a first portion (20a) and a second portion (20b) surrounded by the first portion (20a), the second portion (20b) having a thickness that is less than the thickness of the first portion (20a), the membrane (20) being suspended above the supporting substrate (10) and thus defining a free space (30), said micromechanical structure comprising in addition a lower abutment (21) for limiting the deformations of the membrane (20), said lower abutment (21) being arranged above the supporting substrate (10) and extending into the free space (30) from said supporting substrate (10) toward the membrane (20), characterized in that the lower abutment (21) comprises islets (101-108) that extend into the free space (30) toward the membrane (20) from a flat surface of the lower abutment (21), the islets (101-108) forming a relief structure in such a manner that, in the case of contact between the islets (101-108) and the fine portion (20b) of the membrane (20), the contact surface between the islets (101 -108) and the fine portion (20b) of the membrane (20) is small with respect to the dimensions of the fine portion (20b) of the membrane (20).

Classes IPC  ?

• G01L 9/00 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent
• G01L 19/06 - Moyens pour empêcher la surcharge ou l'influence délétère du milieu à mesurer sur le dispositif de mesure ou vice versa

Abrégé

The invention relates to a micromechanical structure for measuring or detecting a mechanical quantity or a dynamic quantity, including a deformable membrane (20) and a supporting substrate (10), the membrane (20) including a first portion (20a) and a second portion (20b) surrounded by the first portion (20a), the second portion (20b) having a thickness that is less than the thickness of the first portion (20a), the membrane (20) being suspended above the supporting substrate (10) and thus defining a free space (30), said micromechanical structure comprising in addition a lower abutment (21) for limiting the deformations of the membrane (20), said lower abutment (21) being arranged above the supporting substrate (10) and extending into the free space (30) from said supporting substrate (10) toward the membrane (20), characterized in that the lower abutment (21) comprises islets (101-108) that extend into the free space (30) toward the membrane (20) from a flat surface of the lower abutment (21), the islets (101-108) forming a relief structure in such a manner that, in the case of contact between the islets (101-108) and the fine portion (20b) of the membrane (20), the contact surface between the islets (101 -108) and the fine portion (20b) of the membrane (20) is small with respect to the dimensions of the fine portion (20b) of the membrane (20).

Classes IPC  ?

• G01L 9/00 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pression; Transmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent
• G01L 19/06 - Moyens pour empêcher la surcharge ou l'influence délétère du milieu à mesurer sur le dispositif de mesure ou vice versa

Abrégé

characterized in that each of the walls (71; 72) forming the wedge-shaped portion (7) comprises at least one notch forming a deflector angle relative to said wall (71; 72) so as to weaken the formation of ice on the wedge-shaped portion (7).

Classes IPC  ?

• 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 invention relates to a device for measuring at least one physical parameter of a fluid flow, in particular the global air temperature, including: a profiled body (2) having an elongate shape along a longitudinal axis (L) and having at least two walls arranged so as to be contiguous at an acute angle in order to form a corner portion (7), said corner portion (7) extending in a direction parallel to the longitudinal axis (L) of the profiled body (2); at least one sensitive element (4) for measuring the fluid-flow physical parameter, said sensitive element (4) being provided in a window (3) formed through the profiled body (2); characterized in that each of the walls (71; 72) defining the corner portion (7) includes at least one slot defining an angle return relative to said wall (71; 72) so as to weaken the formation of ice on the corner portion (7).

Abrégé

The invention relates to a device for measuring at least one physical parameter of a fluid flow, in particular the global air temperature, including: a profiled body (2) having an elongate shape along a longitudinal axis (L) and having at least two walls arranged so as to be contiguous at an acute angle in order to form a corner portion (7), said corner portion (7) extending in a direction parallel to the longitudinal axis (L) of the profiled body (2); at least one sensitive element (4) for measuring the fluid-flow physical parameter, said sensitive element (4) being provided in a window (3) formed through the profiled body (2); characterized in that each of the walls (71; 72) defining the corner portion (7) includes at least one slot defining an angle return relative to said wall (71; 72) so as to weaken the formation of ice on the corner portion (7).

Classes IPC  ?

• 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 invention relates to an alloy permitting to replace the current CuBe alloy, soon to be prohibited by the various environmental directives because of the presence of Be and for which there is currently no substitution alloy with similar desired thermal and mechanical properties for measuring physical parameters, notably in aeronautics. This alloy is a Cu—Al—Ni—Fe alloy and the balance is copper. It contains from 3.8 to 4.4 wt % aluminum, from 4.2 to 5 wt % nickel, from 1.7 to 5 wt % iron, additives including silicon, manganese, chromium and titanium, silicon being present at less than 0.8 wt %, manganese being present at less than 0.15 wt %, chromium being present at less than 0.3 wt %, titanium being present at less than 0.1 wt %, the other chemical elements having contents by weight of less than 1%, each being present at less than 0.05 wt % and the balance is copper.

Classes IPC  ?

• C22C 9/06 - Alliages à base de cuivre avec le nickel ou le cobalt comme second constituant majeur
• C22C 9/01 - Alliages à base de cuivre avec l'aluminium comme second constituant majeur

Abrégé

a pedestal supporting the diaphragm structure; wherein the pedestal is a composite pedestal comprising top and bottom platforms connected by at least one small link having a mean cross-section smaller than the cross-section of the top platform, said small link isolating at least some of the stresses, produced by the mounting of the pressure sensing die on the base, from said deflectable pressure sensing diaphragm.

Classes IPC  ?

• G01L 7/08 - Mesure de la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments mécaniques ou hydrauliques sensibles à la pression sous forme de jauges, élastiquement déformables du type à diaphragme élastique

Abrégé

wherein the linking structure comprises at least one linking element extending between the base and the pedestal and having a mean cross-section smaller than the said bottom surface and top surface so as to constitute a small link between the base and the pedestal. The invention further relates to a method of manufacturing such a sensing die.

Classes IPC  ?

• G01L 7/08 - Mesure de la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments mécaniques ou hydrauliques sensibles à la pression sous forme de jauges, élastiquement déformables du type à diaphragme élastique

Abrégé

A heater resistance in particular for heating a solid part. An electric wire, and a ceramic sheath surround the wire. The sheath has a woven layer.

Classes IPC  ?

• H05B 3/34 - Eléments chauffants ayant une surface s'étendant essentiellement dans deux dimensions, p.ex. plaques chauffantes flexibles, p.ex. grillages ou tissus chauffants

Produits et services

(1) Appareils de mesure et de contrôle de la pression, du niveau, de la température, du débit, d'une flamme, d'un passage de fluides, de grandeurs électriques; appareils, instruments et accessoires de régulation pneumatique, vannes électromagnétiques; appareils, instruments et accessoires d'alarme synoptique et d'enregistrement ainsi que leurs pièces détachées et équipements, lampes d'éclairage, chaudières, radiateurs, tubes chauffants, cuisinières à gaz ou à l'électricité, réfrigérateurs, séchoirs, ventilateurs, appareils sanitaires, robinets, lavabos, baignoires, éviers, cuvettes, compteurs mécaniques et électromecaniques, raccords rotatifs, centrales de commandes électriques pour circuits hydrauliques et pneumatiques, détendeurs, filtres, relais pneumatiques, purgeurs, indicateurs de débit, clapets; appareils et instruments scientifiques, nautiques, géodésiques, photographies, cinématographiques, optiques, de pesage, de mesurage, de signalisation, de contrôle (inspection), de secours (sauvetage) et d'enseignement, appareils automatiques déclenchés par l'introduction d'une pièce de monnaie ou d'un jeton, machines parlantes, caisses enregistreuses, machines à calculer; manomètres.

Produits et services

APPARATUS AND INSTRUMENTS RESPONSIVE TO A VARIABLE FOR MEASURING [ AND/OR CONTROLLING ] PRESSURE, TEMPERATURE, LIQUID LEVEL, ELECTRICAL OUTPUT [, ELECTRICAL MAGNITUDES, ] * AND * FLOW OF FLUIDS [, AND DETERMINATION OF THE PRESENCE OF FLAMES-NAMELY, ALARM, CONTROL AND SIGNALLING SYSTEMS ]