The invention relates to a thermal flow sensor (2) for determining a flow rate of a fluid (1), comprising:
a sensor body (11) with a flow section (12), through which fluid flows (3) in a flow direction during use,
a flow sensor configuration (13), comprising multiple flow sensing elements (14), such as two or three, arranged at multiple locations in the flow section for measuring the flow velocity at different locations in the flow section,
wherein the multiple flow sensing elements (14) are arranged parallel to each other in a plane parallel to the flow section, and wherein single flow sensing elements (14) of the multiple flow sensing elements (14) can be read out.
G01F 1/684 - Dispositions de structureMontage des éléments, p. ex. relativement à l'écoulement de fluide
G01F 1/69 - Dispositions de structureMontage 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
G01F 1/696 - Circuits à cet effet, p. ex. débitmètres à courant constant
G01N 25/18 - Recherche ou analyse des matériaux par l'utilisation de moyens thermiques en recherchant la conductivité thermique
The invention concerns a diaphragm valve (1) comprising: - a valve housing (2), having a first housing part (3) and a second housing part (4), defining a membrane space (17) therebetween, the first housing part comprising one or more fluid inlets (5) and one or more fluid outlets (6), and a fluid passage (7) in the membrane space, - a membrane (8), arranged in the membrane space, - membrane position regulation means (23) for regulating the position of the membrane in the membrane space, wherein - the membrane (8) is made of a material (9) having a Poisson ratio of 0.5, and - the first housing part (3) comprises a bulge accommodation cavity (13) for accommodating the bulge (12), and - the second housing part (4) comprises a forcing zone (14) for forcing the membrane towards the bulge accommodation cavity.
F16K 7/17 - Dispositifs d'obturation à diaphragme, p. ex. dont un élément est déformé, sans être déplacé entièrement, pour fermer l'ouverture à diaphragme plat, en forme d'assiette ou en forme de bol disposé pour être déformé contre un siège plat le diaphragme étant actionné par pression d'un fluide
3.
Fluid flow device, comprising a flow control device with a sealing portion provided with a non-stick layer having one or more discontinuities
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
09 - Appareils et instruments scientifiques et électriques
35 - Publicité; Affaires commerciales
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Scientific, nautical, surveying and electrical apparatus and
instruments not included in other classes, photographic,
cinematographic, optical, weighing, measuring, signaling,
control (inspection), rescue (rescue) and teaching apparatus
and instruments instruments; apparatus for recording,
transmission or reproduction of sound or images; magnetic
data carriers, recording discs; meters for measuring and
dosing the flow of gases and liquids. Business intermediary services in the fields of buying,
selling, importing and exporting of registered computer
programs (software), computer hardware, mass flow meters, to
measure the mass flow of gases, liquids and vapors, mass
flow controllers, to control the mass flow of gases, liquids
and vapors, mass flow calibrators, to calibrate the mass
flow of gases, liquids and vapors, electric pressure
transmitters, electronic pressure controllers, control
valves, volumetric flow meters, in particular
magnetic-inductive flow meters, turbine flow meters,
positive displacement flow meters, ultrasonic flow meters,
eddy frequency flow meters (vortex flow meters) and
apparatus for data processing; retail, wholesale, and online
sale services of registered computer programs (software),
computer hardware, mass flow meters, to measure the mass
flow of gases, liquids and vapors, mass flow controllers, to
control the mass flow of gases, liquids and vapors, mass
flow calibrators, to calibrate the mass flow of gases,
liquids and vapors, electric pressure transmitters,
electronic pressure controllers, control valves, volumetric
flow meters, in particular magnetic-inductive flow meters,
turbine flow meters, positive displacement flow meters,
ultrasonic flow meters, eddy frequency flow meters (vortex
flow meters) and apparatus for data processing; services of
a webshop; advertising and publicity; sales promotion for
others; the presentation of goods on communication media,
for retail purposes; business management assistance;
commercial or industrial management assistance; commercial
intermediation services; import-export agency services;
procurement services for others [purchasing goods and
services for other businesses]; marketing; organization of
trade fairs for commercial or advertising purposes; business
management and organization consultancy; providing business
information via a web site. Construction, installation, repair, maintenance and
calibration of computer hardware, mass flow meters, to
measure the mass flow of gases, liquids and vapors, mass
flow controllers, to control the mass flow of gases, liquids
and vapors vapors, mass flow calibrators, to calibrate the
mass flow of gases, liquids and vapors, electric pressure
transmitters, electronic pressure controllers, control
valves, volumetric flow meters, in particular
magnetic-inductive flow meters, turbine flow meters,
positive displacement flow meters, ultrasonic flow meters,
eddy frequency flow meters (vortex flow meters) and
apparatus for data processing; installation and repair of
apparatus and instruments for measuring, calibration,
checking, analysis and benchmarking purposes; consultancy
and information relating to the aforesaid services. Scientific and technological services and research and
design relating thereto; technical research; research and
development of new products for others; quality control;
calibration [measuring]; surveying; chemical analysis;
material testing; industrial analysis and research services;
design and development of registered computer programs
(software), computer hardware, mass flow meters, to measure
the mass flow of gases, liquids and vapors, mass flow
controllers, to control the mass flow of gases, liquids and
vapors, mass flow calibrators, to calibrate the mass flow of
gases, liquids and vapors, electric pressure transmitters,
electronic pressure controllers, control valves, volumetric
flow meters, in particular magnetic-inductive flow meters,
turbine flow meters, positive displacement flow meters,
ultrasonic flow meters, eddy frequency flow meters (vortex
flow meters) and apparatus for data processing; technical
consultancy; maintenance of software, in particular online
maintenance of operating software for registered computer
programs (software), computer hardware, mass flow meters, to
measure the mass flow of gases, liquids and vapors, mass
flow controllers, to control the mass flow of gases, liquids
and vapors, mass flow calibrators, to calibrate the mass
flow of gases, liquids and vapors, electric pressure
transmitters, electronic pressure controllers, control
valves, volumetric flow meters, in particular
magnetic-inductive flow meters, turbine flow meters,
positive displacement flow meters, ultrasonic flow meters,
eddy frequency flow meters (vortex flow meters) and
apparatus for data processing; R & D services in relation to
registered computer programs (software), computer hardware,
mass flow meters, to measure the mass flow of gases, liquids
and vapors, mass flow controllers, to control the mass flow
of gases, liquids and vapors, mass flow calibrators, to
calibrate the mass flow of gases, liquids and vapors,
electric pressure transmitters, electronic pressure
controllers, control valves, volumetric flow meters, in
particular magnetic-inductive flow meters, turbine flow
meters, positive displacement flow meters, ultrasonic flow
meters, eddy frequency flow meters (vortex flow meters) and
apparatus for data processing; consultancy and information
relating to the aforesaid services; installation, repair,
maintenance and calibration of registered computer programs
(software).
5.
METHOD FOR DETECTING FLUID PARAMETERS USING A FLOW SENSOR CONFIGURATION
The invention concerns a method for detecting fluid (12) parameters (3) using a sensor configuration (2) of a flow meter (1), comprising: a) flowing training fluids (4) with known fluid parameters through the flow meter, wherein training measurement signals (5) from the sensor configuration are fed to a machine learning model (6); b) training the machine learning model to use real-time measurement signals (7) from the sensor configuration to detect real-time fluid (12) parameters (8); and c) using the trained machine learning model and real-time measurement signals fed to the trained machine learning model, to detect real-time fluid parameters, wherein feeding the real-time measurement signals from the sensor configuration to the machine learning model comprises processing (9) the real-time measurement signals by performing feature extraction or feature learning (10) thereon and feeding the processed real-time measurement signals (19) to the trained machine learning model.
G01F 25/10 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume des débitmètres
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01N 9/32 - Recherche du poids spécifique ou de la densité des matériauxAnalyse des matériaux en déterminant le poids spécifique ou la densité en utilisant les propriétés d'écoulement des fluides, p. ex. l'écoulement à travers des tubes ou des ouvertures
09 - Appareils et instruments scientifiques et électriques
Produits et services
Measuring, signalling, weighing and checking (inspection)
apparatus and instruments; calibration equipment; apparatus
and instruments for the distribution, conversion and control
of gases and liquids and for gas and liquid dosing;
apparatus and instruments for measuring, weighing,
displaying, regulating and dosing the flow of gases and
liquids; measuring devices for measuring, regulating and
dosing the flow of gases and liquids; instruments and
machines for testing materials; flow meters; mass flow
meters; measuring devices for calibrating the flow of gases
and liquids.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Measuring, signalling, weighing and checking (inspection)
apparatus and instruments; calibration equipment; apparatus
and instruments for the distribution, conversion and control
of gases and liquids and for gas and liquid dosing;
apparatus and instruments for measuring, weighing,
displaying, regulating and dosing the flow of gases and
liquids; measuring devices for measuring, regulating and
dosing the flow of gases and liquids; instruments and
machines for testing materials; flow meters; mass flow
meters; measuring devices for calibrating the flow of gases
and liquids.
The invention relates to a device (1) for controlling or measuring a fluid, comprising: —a base part (2): —a microfabricated part (3) for measuring, controlling or regulating a fluid; —an inlet flow channel (4), extending from a flow inlet (34) in the base part to a flow inlet (5) of the microfabricated part; and —an outlet flow channel (6), extending from a flow outlet (7) of the microfabricated part to a flow outlet (35) in the base part, characterized in that —the base part (2) and the microfabricated part (3) are separated by an intermediate layer (8), wherein the intermediate layer is attached to the base part via a first attachment means (11) and attached to the microfabricated part via a second attachment means (12).
09 - Appareils et instruments scientifiques et électriques
Produits et services
Measuring, signaling, weighing and inspection apparatus and instruments, namely, electronic sensors and flow meters for measuring flow of gas, fluids and liquids, electronic sensors and flow meters for measuring physical properties of gas, fluids and liquids, pressure sensors, electronic flow sensors and flow meters for measuring gas, fluid, and liquid flow, control valves for regulating the flow of gas, fluid and liquid, and integrated combinations of the aforesaid sensors or meters and valves; calibration equipment, namely, electronic calibration devices for calibrating gas, fluid and liquid flow sensors or meters; apparatus and instruments for the distribution, conversion and control of gases and liquids and for gas and liquid dosing, namely, gas, liquid and fluid flow meters, control valves for regulating gas, liquid, and fluid flow, and automatic liquid-, gas-, and fluid-flow control machines; apparatus and instruments for measuring, weighing, displaying, regulating and dosing the flow of gases and liquids, namely, electronic flow meters for measuring, weighing, displaying, regulating and dosing the flow of gas, fluid and liquid, computer-controlled flow meters for measuring, weighing, displaying, regulating and dosing the flow of gas, fluid and liquid, and control valves for regulating the flow of gas, fluid and liquid; measuring devices for measuring, regulating and dosing the flow of gases and liquids, namely, electronic sensors for measuring flow of gas, fluids and liquids, electronic sensors for measuring physical properties of gas, fluids and liquids, pressure sensors, electronic flow sensors for measuring gas, fluid, and liquid flow, and control valves for regulating the flow of gas; flow meters; mass flow meters
09 - Appareils et instruments scientifiques et électriques
Produits et services
Registered computer programs (software); hardware; electric
apparatus and instruments for measuring, weighing and
reproducing of amounts of gas and liquids (not included in
other classes).
12.
THERMAL FLOW SENSOR FOR DETERMINING A FLOW RATE OF A FLUID
The invention relates to a thermal flow sensor (2) for determining a flow rate of a fluid (1), comprising: - a sensor body (11) with a flow section (12), through which fluid flows (3) in a flow direction during use, - a flow sensor configuration (13), comprising multiple flow sensing elements (14), such as two or three, arranged at multiple locations in the flow section for measuring the flow velocity at different locations in the flow section, wherein the multiple flow sensing elements (14) are arranged parallel to each other in a plane parallel to the flow section, and wherein single flow sensing elements (14) of the multiple flow sensing elements (14) can be read out.
The invention relates to a method for determining a flow rate of a fluid (1) independent of the physical properties of the fluid comprising: placing a thermal flow sensor (2) in thermal contact with a fluid flow (3); measuring flow rate; placing a thermal property sensor (4) in a measurement cavity (5) in fluidic contact with the fluid flow, wherein the measurement cavity is fully open to the fluid flow; receiving a portion (6) of the fluid in the measurement cavity of the thermal property sensor, in such a way, that the portion of the fluid is essentially stationary in the measurement cavity; measuring at least one thermal property (K, pep) of the fluid; and compensating the measured flow rate for the at least one measured thermal property.
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Registered computer programs (software). Providing online non-downloadable computer software via
automated systems for processing, storing and recalling
information.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Registered computer programs (software); computer hardware;
electric apparatus and instruments for measuring, weighing
and reproducing of amounts of gas and liquids, so far as not
included in other classes.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Calibration equipment, namely, calibration devices for calibrating apparatus for analyzing and testing the flow of gases, in the nature of gaseous compounds, not being natural gas or methane; apparatus and instruments for measuring, weighing, displaying, regulating and dosing the flow of gases in the nature of gaseous compounds, not being natural gas or methane, namely, sensors for measuring gas flow and the physical properties of gases, not for medical use, electric automatic gas flow control machines and instruments, and gas flow meters, and electronic valves for controlling gases; measuring devices for measuring, regulating and dosing the flow of gases in the nature of gaseous compounds, not being natural gas or methane, namely, sensors for measuring gas flow and the physical properties of gases; multiparameter flow meters for gases in the nature of gaseous compounds, not being natural gas or methane; mass flow meters for gases in the nature of gaseous compounds, not being natural gas or methane; measuring devices for calibrating the flow of gases in the nature of gaseous compounds, not being natural gas or methane, namely, gas flow meters; none of the foregoing being for use with oil and gas pipelines or for use with natural gas or methane
09 - Appareils et instruments scientifiques et électriques
Produits et services
Apparatus for measuring, regulating and dosing the flow of gases and fluids, used in laboratories or industry, namely, electronic sensors for measuring gas, fluid and liquid flow, electronic sensors for measuring physical properties of gas, fluid and liquid, control valves for regulating the flow of gasses, fluids and liquids, integrated combinations of the aforesaid sensors and valves, electric automatic valves for controlling liquid, gas, and fluid flow, flow meters, flow switches for controlling the flow of gases or liquids, and industrial, analytical or laboratory calibration devices for calibrating gas and liquid flow meters
09 - Appareils et instruments scientifiques et électriques
Produits et services
Apparatus for measuring, regulating and dosing the flow of gases and fluids, used in laboratories or industry, namely, electronic sensors for measuring gas, fluid and liquid flow, electronic sensors for measuring physical properties of gas, fluid and liquid, control valves for regulating the flow of gasses, fluids and liquids, integrated combinations of the aforesaid sensors and valves, electric automatic valves for controlling liquid, gas, and fluid flow, flow meters, flow switches for controlling the flow of gases or liquids, and industrial, analytical or laboratory calibration devices for calibrating gas and liquid flow meters
09 - Appareils et instruments scientifiques et électriques
Produits et services
(1) Scientific measuring instruments, namely conductivity meters; surveying instruments; optical communications instruments, namely, optical transmitters; weighing, measuring, signaling, control, and inspection instruments, namely, gas sensors, gas flow meters, gas flow monitors, fluid flow meters, fluid flow gauges, pressure meters, pressure sensors, automatic electronic control valves for regulating the flow of gases and liquids, metering orifices, namely, orifice plates for metering or controlling the flow rate of liquids, metering systems comprised primarily of flow meters and electric calibration sensors for measurement of the flow rate and volume of fluids, pressure relief valves, electromagnetic valves.
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Installation, repair, and maintenance of computer hardware, mass flow meters, which measure the mass flow of gases, liquids and vapors, mass flow controllers, which control the mass flow of gases, liquids and vapors, mass flow calibrators, which calibrate the mass flow of gases, liquids and vapors, electric pressure transmitters, electronic pressure controllers, control valves, volumetric flow meters in the nature of magnetic-inductive flow meters, turbine flow meters, positive displacement flow meters, ultrasonic flow meters, eddy frequency flow meters being vortex flow meters, and apparatus for data processing; installation and repair of apparatus and instruments for measuring, calibration, checking, analysis and benchmarking purposes, namely, flow meters; consultancy and information relating to the aforesaid services.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Measuring, signalling, weighing and checking (inspection)
apparatus and instruments and operating systems therefor;
apparatus and instruments for the distribution, conversion
and control of gases and liquids and for gas and liquid
dosing and operating systems therefor; apparatus and
instruments for measuring, weighing, displaying, regulating
and dosing the flow of gases and liquids and operating
systems therefor; measuring apparatus for measuring,
regulating and dosing the flow of gases and liquids and
operating systems therefor; firmware (software embedded in
hardware); computer software; computer programs.
27.
Thermal-type flow sensor with a thermally conductive frame element in the form of a printed circuit board (PCB)
b) with a main channel (3) for a medium whose flow is to be determined, a sensor tube (4), having a first tube portion (5), a second, opposite tube portion (8), a sensing portion (11) connecting the first and second tube portions, at least two sensing or heating elements (12) for measuring a temperature differential or a power differential in the sensor tube, a thermally conductive frame element (13) in contact with at least the first tube portion, the second tube portion as well as the main channel part, configured to equalize temperature gradients, wherein thermally conductive frame element (13) is a printed circuit board (PCB) (14).
09 - Appareils et instruments scientifiques et électriques
Produits et services
Measuring, signalling, weighing and checking (inspection)
apparatus and instruments; apparatus and instruments for
measurement and control of the flow of gases and liquids and
for gas and liquid dosing; apparatus and instruments for
measuring, weighing, displaying, regulating and dosing the
flow of gases and liquids; measuring apparatus for
measuring, regulating and dosing the flow of gases and
liquids; instruments and machines for testing materials.
29.
FLUID FLOW DEVICE, COMPRISING A FLOW CONTROL DEVICE WITH A SEALING PORTION PROVIDED WITH A NON-STICK LAYER HAVING ONE OR MORE DISCONTINUITIES
The invention relates to a fluid flow device (1), comprising a fluid flow channel (2) with a flow control device (3) having a valve member (4) and a valve seat (5), wherein in a closed position (I) the valve member rests against the valve seat for preventing fluid flow and wherein in an open position the valve member is positioned away from the valve seat for allowing fluid flow, wherein the valve member or the valve seat comprises a sealing portion (6) for providing a reversible and leak-tight seal between the valve member and the valve seat in the closed position, wherein the sealing portion is provided with a non-stick layer (7) for preventing sticking of the sealing portion to the valve seat or the valve member in the closed position, wherein the non-stick layer comprises one or more discontinuities (8, 8a).
F16K 25/00 - Détails constitutifs relatifs au contact entre corps de soupapes ou de clapets et leurs sièges
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
09 - Appareils et instruments scientifiques et électriques
Produits et services
Measuring, signalling, weighing and inspection checking apparatus and instruments, namely, precision mechanical instruments in the nature of flow meters with controller functionality for manipulation of fluids, and micro-electromechanical systems being electromechanical controls for use in measuring and controlling fluids; apparatus and instruments for measurement and control of the flow of gases and liquids and for gas and liquid dosing, namely, sensors for measuring gas and liquid flow, sensors for measuring gas and liquid properties, valves for regulating the flow of gasses and liquids and electric automatic liquid-flow control valves, and combinations of the aforesaid sensors and valves; measuring apparatus, namely, flow meters for measuring, regulating and dosing the flow of gases and liquids; technical instruments and machines for testing and regulating the flow of gases and liquids
The invention relates to a device (1) for controlling or measuring a fluid, comprising: - a base part (2); - a microfabricated part (3) for measuring, controlling or regulating a fluid; - an inlet flow channel (4), extending from a flow inlet (34) in the base part to a flow inlet (5) of the microfabricated part; and - an outlet flow channel (6), extending from a flow outlet (7) of the microfabricated part to a flow outlet (35) in the base part, characterized in that - the base part (2) and the microfabricated part (3) are separated by an intermediate layer (8), wherein the intermediate layer is attached to the base part via a first attachment means (11) and attached to the microfabricated part via a second attachment means (12).
G01F 1/684 - Dispositions de structureMontage des éléments, p. ex. relativement à l'écoulement de fluide
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01F 15/18 - Supports ou moyens de raccordement pour les compteurs
G01F 1/48 - 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 en mesurant la pression ou la différence de pression la pression ou la différence de pression étant produite par un élément capillaire
32.
Microelectromechanical system component or a microfluidic component comprising a free-hanging or free-standing microchannel
The invention relates to a microelectromechanical system (MEMS) component or microfluidic component comprising a free-hanging or free-standing microchannel (1), as well as methods for manufacturing such a microchannel, as well as a flow sensor, e.g. a thermal flow sensor or a Coriolis flow sensor, pressure sensor or multi-parameter sensor, valve, pump or microheater, comprising such a microelectromechanical system component or microfluidic component. The MEMS component allows to increase the flow range and/or decrease the pressure drop of for instance a micro Coriolis mass flow meter by increasing the channel diameter, while maintaining its advantages.
B81C 1/00 - Fabrication ou traitement de dispositifs ou de systèmes dans ou sur un substrat
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01N 9/32 - Recherche du poids spécifique ou de la densité des matériauxAnalyse des matériaux en déterminant le poids spécifique ou la densité en utilisant les propriétés d'écoulement des fluides, p. ex. l'écoulement à travers des tubes ou des ouvertures
An ultrasonic flow measurement system (1) comprising a flow tube (11), an ultrasound damping layer (12), an ultrasound transmitter (13) covered by the ultrasound damping layer, and an ultrasound receiver (14) covered by the ultrasound damping layer, characterised in that the ultrasound damping layer comprises: —a first damping portion (121) that is at least partially positioned in between the ultrasound transmitter and the ultrasound receiver as well as—a second damping portion (122) that is at least partially positioned in between the ultrasound transmitter and the ultrasound receiver, wherein the first damping portion and the second damping portion of the ultrasound damping layer are spaced apart from each other by a distance (d) in an axial direction (A) of the flow tube.
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 1/667 - Dispositions de transducteurs pour les débitmètres à ultrasonsCircuits pour faire fonctionner les débitmètres à ultrasons
G01N 29/036 - Analyse de fluides en mesurant la fréquence ou la résonance des ondes acoustiques
G01N 29/22 - Recherche ou analyse des matériaux par l'emploi d'ondes ultrasonores, sonores ou infrasonoresVisualisation de l'intérieur d'objets par transmission d'ondes ultrasonores ou sonores à travers l'objet Détails
G10K 11/00 - Procédés ou dispositifs pour transmettre, conduire ou diriger le son en généralProcédés ou dispositifs de protection contre le bruit ou les autres ondes acoustiques ou pour amortir ceux-ci, en général
G10K 11/16 - Procédés ou dispositifs de protection contre le bruit ou les autres ondes acoustiques ou pour amortir ceux-ci, en général
34.
THERMAL-TYPE FLOW SENSOR WITH A THERMALLY CONDUCTIVE FRAME ELEMENT IN THE FORM OF A PRINTED CIRCUIT BOARD (PCB)
The invention relates to a thermal-type flow sensor (1) for a flow meter, comprising a main channel part (3b) with a main channel (3) for a medium whose flow is to be determined, a sensor tube (4), having a first tube portion (5), a second, opposite tube portion (8), a sensing portion (11) connecting the first and second tube portions, at least two sensing or heating elements (12) for measuring a temperature differential or a power differential in the sensor tube, a thermally conductive frame element (13) in contact with at least the first tube portion, the second tube portion as well as the main channel part, configured to equalize temperature gradients, wherein thermally conductive frame element (13) is a printed circuit board (PCB) (14).
The invention relates to a microelectromechanical system (MEMS) component or microfluidic component comprising a free-hanging or free-standing microchannel (1), as well as methods for manufacturing such a microchannel, as well as a flow sensor, e.g. a thermal flow sensor or a Coriolis flow sensor, pressure sensor or multi-parameter sensor, valve, pump or microheater, comprising such a microelectromechanical system component or microfluidic component. The MEMS component allows to increase the flow range and/or decrease the pressure drop of for instance a micro Coriolis mass flow meter by increasing the channel diameter, while maintaining its advantages.
STICHTING VOOR DE TECHNISCHE WETENSCHAPPEN (Pays‑Bas)
UNIVERSITEIT TWENTE (Pays‑Bas)
Inventeur(s)
Zhao, Yiyuan
Veltkamp, Henk-Willem
Schut, Thomas Victor Paul
De Boer, Meint Jelle
Wiegerink, Remco John
Groenesteijn, Jarno
Lötters, Joost Conrad
Abrégé
A method for manufacturing a pair of parallel micro machined channels, using a substrate of a first material and comprising the steps of: - forming two primary perforations in said substrate, spaced apart from each other by a distance that is larger than a width of the channels to be formed; - forming two channel outlines in said substrate, the two channel outlines being spaced apart from each other; - filling the outer circumferential surface of the two channel outlines with a second material, to form said first micro machined channel and said second micro machined channel; - forming two secondary perforations in said substrate, at positions radially outside of the micro machined channels formed in the previous step; - forming two ducts in said substrate, while ensuring that some of the substrate-forming first material remains present between the channels.
An ultrasonic flow measurement system (1) comprising a flow tube (11), an ultrasound damping layer (12), an ultrasound transmitter (13) covered by the ultrasound damping layer, and an ultrasound receiver (14) covered by the ultrasound damping layer, characterised in that the ultrasound damping layer comprises: - a first damping portion (121) that is at least partially positioned in between the ultrasound transmitter and the ultrasound receiver as well as - a second damping portion (122) that is at least partially positioned in between the ultrasound transmitter and the ultrasound receiver, wherein the first damping portion and the second damping portion of the ultrasound damping layer are spaced apart from each other by a distance (d) in an axial direction (A) of the flow tube.
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
G10K 11/00 - Procédés ou dispositifs pour transmettre, conduire ou diriger le son en généralProcédés ou dispositifs de protection contre le bruit ou les autres ondes acoustiques ou pour amortir ceux-ci, en général
38.
MICRO-CORIOLIS MASS FLOW SENSOR WITH STRAIN MEASUREMENT DEVICES
The invention relates to a micro-Coriolis mass flow sensor, comprising a Coriolis tube having a fixed inlet and a fixed outlet, being fixed in tube fixation means, excitation means for oscillating the Coriolis tube about an excitation axis, detection means (8) for detecting, in use, at least a measure for movements of part of the Coriolis tube, characterized by the detection means (8) comprising one or more strain measurement devices (9, 11) configured for resistive readout being arranged in or on the Coriolis tube.
STICHTING VOOR DE TECHNISCHE WETENSCHAPPEN (Pays‑Bas)
Inventeur(s)
Zhao, Yiyuan
Veltkamp, Henk-Willem
Zeng, Yaxiang
Lötters, Joost Conrad
Wiegerink, Remco John
Abrégé
The invention relates to a method of fabricating a micro machined channel, comprising the steps of providing a substrate of a first material and having a buried layer of a different material therein, and forming at least two trenches in said substrate by removing at least part of said substrate. Said trenches are provided at a distance from each other and at least partly extend substantially parallel to each other, as well as towards said buried layer. The method comprises the step of forming at least two filled trenches by providing a second material different from said first material and filling said at least two trenches with at least said second material; forming an elongated cavity in between said filled trenches by removing at least part of said substrate extending between said filled trenches; and forming an enclosed channel by providing a layer of material in said cavity and enclosing said cavity.
The invention relates to a thermal type flow meter, comprising a flow tube for a medium whose flow is to be determined, a sensor tube, having an inlet and an outlet connected to the flow tube, the sensor tube comprising a thermal flow sensor for measuring a temperature differential to determine the flow, a pressure sensor provided at the flow tube to measure the pressure of the flow, a temperature sensor provided at the flow tube to measure the temperature of the flow, characterized by a processing unit for determination of the actual medium properties based on the pressure measured by the pressure sensor, the temperature measured by the temperature sensor and intrinsic medium data and a processing unit for determination of the flow by compensating the measurement of the thermal flow sensor with the actual medium properties and calibration data.
G01F 1/68 - 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 thermiques
G01F 15/02 - Compensation ou correction des variations de pression, de poids spécifique ou de température
The invention relates to a Coriolis flow sensor, comprising at least a Coriolis-tube with at least two ends being fixed in a tube fixation means, wherein the flow sensor comprises excitation means for causing the tube to oscillate, as well as detection means for detecting at least a measure of displacements of parts of the tube during operation. According to the invention, the detection means comprise two detection elements that are positioned on both sides of the Coriolis tube, wherein the detection elements partly overlap each other.
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Business intermediary services in the fields of buying,
selling, importing and exporting of registered computer
programs (software), computer hardware, mass flow meters, to
measure the mass flow of gases, liquids and vapours, mass
flow controllers, to control the mass flow of gases, liquids
and vapours, mass flow calibrators, to calibrate the mass
flow of gases, liquids and vapours, electric pressure
transmitters, electronic pressure controllers, control
valves, volumetric flow meters, in particular
magnetic-inductive flow meters, turbine flow meters,
positive displacement flow meters, ultrasonic flow meters,
eddy frequency flow meters (vortex flow meters) and
apparatus for data processing; retail, wholesale, and online
retail and wholesale services in the field of registered
computer programs (software), computer hardware, mass flow
meters, to measure the mass flow of gases, liquids and
vapours, mass flow controllers, to control the mass flow of
gases, liquids and vapours, mass flow calibrators, to
calibrate the mass flow of gases, liquids and vapours,
electric pressure transmitters, electronic pressure
controllers, control valves, volumetric flow meters, in
particular magnetic-inductive flow meters, turbine flow
meters, positive displacement flow meters, ultrasonic flow
meters, eddy frequency flow meters (vortex flow meters) and
apparatus for data processing; arranging commercial
transactions, for others, via online shops; advertising and
publicity; sales promotion for others; the presentation of
goods on communication media, for retail purposes; business
management assistance; commercial or industrial management
assistance; commercial intermediation services;
import-export agency services; procurement services for
others [purchasing goods and services for other businesses];
marketing; organization of trade fairs for commercial or
advertising purposes; business management and organization
consultancy; providing business information via a web site. Construction, installation, repair and maintenance of
registered computer programs (software), mass flow meters,
to measure the mass flow of gases, liquids and vapours, mass
flow controllers, to control the mass flow of gases, liquids
and vapours, mass flow calibrators, to calibrate the mass
flow of gases, liquids and vapours, electric pressure
transmitters, electronic pressure controllers, control
valves, volumetric flow meters, in particular
magnetic-inductive flow meters, turbine flow meters,
positive displacement flow meters, ultrasonic flow meters,
eddy frequency flow meters (vortex flow meters) and
apparatus for data processing; upgrading, installation,
repair and maintenance of computer hardware; installation
and repair of apparatus and instruments used in the field of
measuring, calibration, checking, analysis and benchmarking;
consultancy and information relating to the aforesaid
services. Scientific and technological services and research and
design relating thereto; technical research; research and
development of new products for others; quality control;
calibration [measuring]; surveying; chemical analysis;
material testing; industrial analysis and research services;
design and development of registered computer programs
(software), computer hardware, mass flow meters, to measure
the mass flow of gases, liquids and vapours, mass flow
controllers, to control the mass flow of gases, liquids and
vapours, mass flow calibrators, to calibrate the mass flow
of gases, liquids and vapours, electric pressure
transmitters, electronic pressure controllers, control
valves, volumetric flow meters, in particular
magnetic-inductive flow meters, turbine flow meters,
positive displacement flow meters, ultrasonic flow meters,
eddy frequency flow meters (vortex flow meters) and
apparatus for data processing; technological consultancy;
maintenance of software, in particular online maintenance of
operating software for registered computer programs
(software), computer hardware, mass flow meters, to measure
the mass flow of gases, liquids and vapours, mass flow
controllers, to control the mass flow of gases, liquids and
vapours, mass flow calibrators, to calibrate the mass flow
of gases, liquids and vapours, electric pressure
transmitters, electronic pressure controllers, control
valves, volumetric flow meters, in particular
magnetic-inductive flow meters, turbine flow meters,
positive displacement flow meters, ultrasonic flow meters,
eddy frequency flow meters (vortex flow meters) and
apparatus for data processing; research and development of
registered computer programs (software), computer hardware,
mass flow meters, to measure the mass flow of gases, liquids
and vapours, mass flow controllers, to control the mass flow
of gases, liquids and vapours, mass flow calibrators, to
calibrate the mass flow of gases, liquids and vapours,
electric pressure transmitters, electronic pressure
controllers, control valves, volumetric flow meters, in
particular magnetic-inductive flow meters, turbine flow
meters, positive displacement flow meters, ultrasonic flow
meters, eddy frequency flow meters (vortex flow meters) and
apparatus for data processing; consultancy and information
relating to the aforesaid services; calibration of
registered computer programs (software), computer hardware,
mass flow meters, to measure the mass flow of gases, liquids
and vapours, mass flow controllers, to control the mass flow
of gases, liquids and vapours, mass flow calibrators, to
calibrate the mass flow of gases, liquids and vapours,
electric pressure transmitters, electronic pressure
controllers, control valves, volumetric flow meters, in
particular magnetic-inductive flow meters, turbine flow
meters, positive displacement flow meters, ultrasonic flow
meters, eddy frequency flow meters (vortex flow meters) and
apparatus for data processing; design, installation, repair
and maintenance of registered computer programs (software).
The invention relates to a method of fabricating a micro machined channel, comprising the steps of providing a substrate of a first material and having a buried layer of a different material therein, and forming at least two trenches in said substrate by removing at least part of said substrate. Said trenches are provided at a distance from each other and at least partly extend substantially parallel to each other, as well as towards said buried layer. The method comprises the step of forming at least two filled trenches by providing a second material different from said first material and filling said at least two trenches with at least said second material; forming an elongated cavity in between said filled trenches by removing at least part of said substrate extending between said filled trenches; and forming an enclosed channel by providing a layer of material in said cavity and enclosing said cavity.
The invention relates to a micro machined fuel gas combustion unit, comprising a substrate with at least one inlet for supplying fuel and oxygen-containing gas; a micro machined combustion tube connected to said inlet and arranged for chemically reacting the fuel to be measured with the oxygen containing gas in a combustion reaction therein; and at least one an outlet connected to said micro machined combustion tube for discharging waste gases produced in the combustion reaction. According to the invention said micro machined combustion tube is substantially thermally isolated to prevent heat loss to the surrounding, and the micro machined combustion tube has four walls defining a substantially rectangular cross section, wherein at least two opposing walls of the four walls of said combustion tube are provided with a reinforcing supporting structure.
The invention relates to a Coriolis flow sensor, comprising at least a Coriolis-tube, wherein the flow sensor comprises an excitation element for causing the tube to oscillate, as well as a detection element for detecting at least a measure of displacements of parts of the tube during operation. In some embodiments, the detection element comprises two detection elements that are positioned on both sides of the Coriolis tube, wherein the detection elements partly overlap each other.
The invention relates to an ultrasonic flow measurement system comprising a flow tube for the fluid whose flow rate is to be determined and at least two ultrasound transducer circuitry. At least one of the at least two ultrasound transducer circuitry comprises an ultrasound transmitter that is arranged for transmitting ultrasound signals through said fluid in a transmitting phase, and at least another one of the at least two ultrasound transducer circuitry comprises an ultrasound receiver that is arranged for receiving transmitted ultrasound signals in a receiving phase. The system further comprises at least one receiving circuit that is arranged for reading out the ultrasound receiver in the receiving phase; and control means connected to the at least two ultrasound transducer circuitry and to the at least one receiving circuit. According to the invention, the flow measurement system comprises an ultrasound damping layer provided on the outer jacket of the flow tube, wherein the ultrasound damping layer is provided such that it substantially surrounds the outer jacket of the flow tube and is in contact with both the ultrasound transmitter and the ultrasound receiver. The speed of sound in the material of the flow tube substantially exceeds the speed of sound in the material of the ultrasound damping layer.
G01F 15/14 - Revêtements, p. ex. avec un matériau spécial
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
G10K 11/00 - Procédés ou dispositifs pour transmettre, conduire ou diriger le son en généralProcédés ou dispositifs de protection contre le bruit ou les autres ondes acoustiques ou pour amortir ceux-ci, en général
Flow measurement system comprising a flow tube for the fluid whose flow rate is to be determined, wherein said system comprises at least three ultrasound transducer circuitry, wherein each circuitry comprises an ultrasound transducer arranged for transmitting ultrasound signals through said fluid in a transmitting phase, and for receiving transmitted signals from another of said at least three ultrasound transducers in a receiving phase, multiple receiving circuits, wherein each receiving circuit is arranged for reading out one of said at least three ultrasound transducers in a corresponding receiving phase thereof, and multiplexer circuitry ground arranged for selectively connecting each of said multiple receiving circuits to a different one of said at least three ultrasound transducers, respectively.
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 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
G01F 1/708 - Mesure du temps de parcours d'une distance déterminée
49.
Fluid flow device, comprising a valve unit, as well as method of manufacturing the same
The invention relates to a fluid flow device (1), comprising a system chip (11) having a substrate (12), a flow channel (21) defined within said substrate, and a sensor unit (41) connected to said flow channel for determining a property of a fluid in said flow channel. Furthermore, a valve unit (30) is provided within said substrate, for regulating fluid flow through said flow channel. The valve unit comprises a valve chamber (31) defined within said substrate, and a valve member (32) that is movably arranged within the valve chamber. The flow channel has a connection channel part (22) defined within said substrate (12), wherein said connection channel part is connected to said valve unit. Further, control means connected to said valve unit and said sensor unit are provided. The control means are arranged for controlling said valve unit based on signals obtained by said sensor unit.
F16K 31/02 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques
F16K 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
The invention relates to a Coriolis flow sensor, comprising at least a Coriolis–tube, wherein the flow sensor comprises excitation means for causing the tube to oscillate, as well as detection means for detecting at least a measure of displacements of parts of the tube during operation. According to the invention, the detection means comprise two detection elements that are positioned on both sides of the Coriolis tube, wherein the detection elements partly overlap each other.
The invention relates to an ultrasonic flow measurement system comprising a flow tube for the fluid whose flow rate is to be determined and at least two ultrasound transducer circuitry. At least one of the at least two ultrasound transducer circuitry comprises an ultrasound transmitter that is arranged for transmitting ultrasound signals through said fluid in a transmitting phase, and at least another one of the at least two ultrasound transducer circuitry comprises an ultrasound receiver that is arranged for receiving transmitted ultrasound signals in a receiving phase. The system further comprises at least one receiving circuit that is arranged for reading out the ultrasound receiver in the receiving phase; and control means connected to the at least two ultrasound transducer circuitry and to the at least one receiving circuit. According to the invention, the flow measurement system comprises an ultrasound damping layer provided on the outer jacket of the flow tube, wherein the ultrasound damping layer is provided such that it substantially surrounds the outer jacket of the flow tube and is in contact with both the ultrasound transmitter and the ultrasound receiver. The speed of sound in the material of the flow tube substantially exceeds the speed of sound in the material of the ultrasound damping layer.
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 15/14 - Revêtements, p. ex. avec un matériau spécial
G10K 11/00 - Procédés ou dispositifs pour transmettre, conduire ou diriger le son en généralProcédés ou dispositifs de protection contre le bruit ou les autres ondes acoustiques ou pour amortir ceux-ci, en général
The invention relates to an ultrasonic flow meter comprising a flow tube for the fluid whose flow rate is to be determined. The flow meter comprises a transmitting element for emitting ultrasonic waves, which is provided on the outer jacket of the flow tube. A receiving element, which is provided on the outer jacket of the flow tube, is axially spaced from the transmitting element. An influencing element is provided between the transmitting element and the receiving element for influencing the velocity and/or the direction of a portion of the ultrasonic waves.
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
53.
A METHOD FOR DETERMINING A FLOW RATE FOR A FLUID IN A FLOW TUBE OF A FLOW MEASUREMENT SYSTEM, AS WELL AS A CORRESPONDING FLOW MEASUREMENT SYSTEM
Flow measurement system comprising a flow tube for the fluid whose flow rate is to be determined, wherein said system comprises at least three ultrasound transducer circuitry, wherein each circuitry comprises an ultrasound transducer arranged for transmitting ultrasound signals through said fluid in a transmitting phase, and for receiving transmitted signals from another of said at least three ultrasound transducers in a receiving phase, multiple receiving circuits, wherein each receiving circuit is arranged for reading out one of said at least three ultrasound transducers in a corresponding receiving phase thereof, and multiplexer circuitry arranged for selectively connecting each of said multiple receiving circuits to a different one of said at least three ultrasound transducers, respectively.
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
54.
Thermal flow meter having a cover element that surrounds an insulated housing
The invention relates to a thermal type flow meter. The flow meter comprises a base part with at least two through bores extending substantially parallel to each other. A flow tube for the medium whose flow is to be determined is provided through the through bores. A part of the flow tube spaced from the base part comprises a measuring tube part where the flow of the medium can be measured. The flow measuring tube comprises an insulating housing connected to the base part, which surrounds at least the measuring tube part of the flow tube. The insulating housing comprises an inner housing surface, which faces the measuring tube part, as well as an outer housing surface, which faces away from the measuring tube part. According to the invention, a cover element connected to the base part is provided, which cover element at least substantially surrounds the insulating housing.
The invention relates to a Coriolis flow sensor. The sensor comprises a housing and at least a Coriolis-tube with at least two ends being fixed in a tube fixation means. The flow sensor comprises excitation means for causing the tube to oscillate, as well as detection means for detecting at least a measure of displacements of parts of the tube during operation. According to the invention, the Coriolis flow sensor comprises a reference mass, as well as further excitation means arranged for causing the reference mass to oscillate during operation, as well as further detection means for detecting at least a measure of displacements of the reference mass during operation. Additionally, control means are provided for controlling the excitation means and/or further excitation means based on vibrations measured by the detection means and/or further detection means. This way a Coriolis flow sensor with active vibration isolation is obtained.
G01F 15/14 - Revêtements, p. ex. avec un matériau spécial
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
F16F 15/02 - Suppression des vibrations dans les systèmes non rotatifs, p. ex. dans des systèmes alternatifsSuppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif
56.
Flow measurement system and method for determining at least one property of a medium
The invention relates to a flow measurement system for determining a flow of a medium, comprising a Coriolis flow sensor, a thermal flow sensor and a processing unit connected thereto. According to the invention, the processing unit is arranged for determining, based on the output signals of both the Coriolis flow sensor and the thermal sensor, at least one of the thermal conductivity and the specific heat capacity of a medium in the flow measurement system. The invention further relates to a method of determining at least one of the thermal conductivity and the specific heat capacity of a medium.
G01N 25/00 - Recherche ou analyse des matériaux par l'utilisation de moyens thermiques
G01N 25/44 - Recherche ou analyse des matériaux par l'utilisation de moyens thermiques en recherchant la production de quantités de chaleur, c.-à-d. la calorimétrie, p. ex. en mesurant la chaleur spécifique, en mesurant la conductivité thermique sur l'oxydation par combustion ou par catalyse, p. ex. des constituants des mélanges gazeux la chaleur produite étant transmise à une quantité déterminée de fluide
G01K 17/12 - Indication directe du produit de l'écoulement par la différence de température
G01F 1/68 - 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 thermiques
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
57.
FLUID FLOW DEVICE, COMPRISING A VALVE UNIT, AS WELL AS METHOD OF MANUFACTURING THE SAME
The invention relates to a fluid flow device (1), comprising a system chip (11) having a substrate (12), a flow channel (21) defined within said substrate, and a sensor unit (41) connected to said flow channel for determining a property of a fluid in said flow channel. Furthermore, a valve unit (30) is provided within said substrate, for regulating fluid flow through said flow channel. The valve unit comprises a valve chamber (31) defined within said substrate, and a valve member (32) that is movably arranged within the valve chamber. The flow channel has a connection channel part (22) defined within said substrate (12), wherein said connection channel part is connected to said valve unit. Further, control means connected to said valve unit and said sensor unit are provided. The control means are arranged for controlling said valve unit based on signals obtained by said sensor unit.
The invention relates to a fluid flow regulator device, comprising a valve member and a valve seat arranged to be movable with respect to each other such that a fluid flow surface area defined by the valve member and the valve seat can be changed. Furthermore, sensor means are provided for measuring a capacitance related to at least a measure of the fluid flow surface area. According to the invention, the sensor means are arranged such that the capacitance measured is inversely proportional to the distance between the valve member and the valve seat. In an embodiment, a reference capacitance relating to fluid flow conditions is measured.
F16K 31/02 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques
G05D 7/06 - Commande de débits caractérisée par l'utilisation de moyens électriques
F16K 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
59.
Device and method for determining the combustion value of a fuel
The invention relates to a device (1) for determining the combustion value of a fuel. The device (1) comprises a fuel inlet (40) for supplying the fuel to be measured to the device (1). A gas inlet (50) is provided for supplying an oxygen-containing gas to the device (1). The device (1) further comprises a combustion unit connected to the fuel inlet (40) and the gas inlet (50), which combustion unit is provided with a combustion chamber (7) for combusting the fuel to be measured therein. A gas outlet (8) connected to the combustion chamber (7) makes it possible to discharge the combusted gas. The device (1) according to the invention comprises a flow measurement unit (14), preferably of the Coriolis type, disposed between the fuel inlet (40) and the combustion chamber (7).
G01N 25/28 - Recherche ou analyse des matériaux par l'utilisation de moyens thermiques en recherchant la production de quantités de chaleur, c.-à-d. la calorimétrie, p. ex. en mesurant la chaleur spécifique, en mesurant la conductivité thermique sur l'oxydation par combustion ou par catalyse, p. ex. des constituants des mélanges gazeux l'élévation de température des gaz résultant de la combustion étant mesurée directement
The invention relates to a method and a system for determining the fractions of a flowing gaseous medium that comprises a known plurality N of known components. The method comprises the steps for determining at least N-1 parameters of a flowing gaseous medium. The N-1 parameters are chosen from a group of quantities comprising mass flow, density, viscosity, and heat capacity. At least N-1 reference values are provided for each of the known N components relating to each of the determined N-1 quantities. The fraction of each of the known components of the supplied gaseous medium is determined through solving of at least N equations. The N equations comprise N-1 equations which describe each determined parameter as a function of the fraction and the reference values, plus an equation that sets the sum of the fractions so as to be equal to 100%.
The invention relates to an ultrasonic flow meter comprising a flow tube for the fluid whose flow rate is to be determined. The flow meter comprises a transmitting element for emitting ultrasonic waves, which is provided on the outer jacket of the flow tube. A receiving element, which is provided on the outer jacket of the flow tube, is axially spaced from the transmitting element. An influencing element is provided between the transmitting element and the receiving element for influencing the velocity and/or the direction of a portion of the ultrasonic waves.
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
62.
FLOW MEASUREMENT SYSTEM AND METHOD FOR DETERMINING AT LEAST ONE PROPERTY OF A MEDIUM
The invention relates to a flow measurement system for determining a flow of a medium, comprising a Coriolis flow sensor, a thermal flow sensor and a processing unit connected thereto. According to the invention, the processing unit is arranged for determining, based on the output signals of both the Coriolis flow sensor and the thermal sensor, at least one of the thermal conductivity and the specific heat capacity of a medium in the flow measurement system. The invention further relates to a method of determining at least one of the thermal conductivity and the specific heat capacity of a medium.
G01N 25/00 - Recherche ou analyse des matériaux par l'utilisation de moyens thermiques
G01F 1/00 - 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
G01N 11/00 - Recherche des propriétés d'écoulement des matériaux, p. ex. la viscosité, la plasticitéAnalyse des matériaux en déterminant les propriétés d'écoulement
The invention relates to a thermal type flow meter. The flow meter comprises a base part with at least two through bores extending substantially parallel to each other. A flow tube for the medium whose flow is to be determined is provided through the through bores. A part of the flow tube spaced from the base part comprises a measuring tube part where the flow of the medium can be measured. The flow measuring tube comprises an insulating housing connected to the base part, which surrounds at least the measuring tube part of the flow tube. The insulating housing comprises an inner housing surface, which faces the measuring tube part, as well as an outer housing surface, which faces away from the measuring tube part. According to the invention, a cover element connected to the base part is provided, which cover element at least substantially surrounds the insulating housing.
The invention relates to a Coriolis flow sensor. The sensor comprises a housing and at least a Coriolis–tube with at least two ends being fixed in a tube fixation means. The flow sensor comprises excitation means for causing the tube to oscillate, as well as detection means for detecting at least a measure of displacements of parts of the tube during operation. According to the invention, the Coriolis flow sensor comprises a reference mass, as well as further excitation means arranged for causing the reference mass to oscillate during operation, as well as further detection means for detecting at least a measure of displacements of the reference mass during operation. Additionally, control means are provided for controlling the excitation means and/or further excitation means based on vibrations measured by the detection means and/or further detection means. This way a Coriolis flow sensor with active vibration isolation is obtained.
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
F16F 15/00 - Suppression des vibrations dans les systèmesMoyens ou dispositions pour éviter ou réduire les forces de déséquilibre, p. ex. dues au mouvement
65.
FLUID FLOW REGULATOR DEVICE, COMPRISING A VALVE MEMBER AND A VALVE SEAT DEFINING A FLUID FLOW SURFACE AREA, AS WELL AS METHOD OF USING THE SAME
The invention relates to a fluid flow regulator device, comprising a valve member and a valve seat arranged to be movable with respect to each other such that a fluid flow surface area defined by the valve member and the valve seat can be changed. Furthermore, sensor means are provided for measuring a capacitance related to at least a measure of the fluid flow surface area. According to the invention, the sensor means are arranged such that the capacitance measured is inversely proportional to the distance between the valve member and the valve seat. In an embodiment, a reference capacitance relating to fluid flow conditions is measured.
F16K 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
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
66.
DEVICE AND METHOD FOR DETERMINING THE COMBUSTION VALUE OF A FUEL
The invention relates to a device (1) for determining the combustion value of a fuel. The device (1) comprises a fuel inlet (40) for supplying the fuel to be measured to the device (1). A gas inlet (50) is provided for supplying an oxygen-containing gas to the device (1). The device (1) further comprises a combustion unit connected to the fuel inlet (40) and the gas inlet (50), which combustion unit is provided with a combustion chamber (7) for combusting the fuel to be measured therein. A gas outlet (8) connected to the combustion chamber (7) makes it possible to discharge the combusted gas. The device (1) according to the invention comprises a flow measurement unit (14), preferably of the Coriolis type, disposed between the fuel inlet (40) and the combustion chamber (7).
A Coriolis flow sensor including a loop-shaped Coriolis tube mounted in a housing with two ends lying next to one another, the ends being fixed in a fixation element, while the portion of the tube located between the ends lies free from the housing, which flow sensor includes an excitation element for causing the tube to oscillate about an excitation axis as well as a detection element for detecting displacements of portions of the tube during operation. The tube is connected through the fixation element to a balancing member, the assembly of the balancing member and the tube being resiliently arranged with respect to the housing, while the excitation element are arranged to rotate the tube and the balancing member with counter-phase about the excitation axis.
The invention relates to a flow meter for determining a flow of a medium. The flow meter comprises a flow tube for transporting the medium whose flow is to be measured. The flow tube has a supply end and a discharge end disposed downstream thereof. The flow meter is provided with a first flow sensor for measuring the flow of the medium at a first position of the flow tube. The flow meter is provided with a second flow sensor for measuring the flow of the medium at a second position of the flow tube.
G01F 1/36 - 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 en mesurant la pression ou la différence de pression la pression ou la différence de pression étant produite par une contraction de la veine fluide
G01F 25/00 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume
G01F 1/684 - Dispositions de structureMontage des éléments, p. ex. relativement à l'écoulement de fluide
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
A Coriolis flow sensor including a loop-shaped Coriolis tube mounted in a housing with two ends lying next to one another, the ends being fixed in a fixation element, while the portion of the tube located between the ends lies free from the housing, which flow sensor includes an excitation element for causing the tube to oscillate about an excitation axis as well as a detection element for detecting displacements of portions of the tube during operation. The tube is connected through the fixation element to a balancing member, the assembly of the balancing member and the tube being resiliently arranged with respect to the housing, while the excitation element are arranged to rotate the tube and the balancing member with counter-phase about the excitation axis.
A Coriolis flow sensor with a Coriolis tube that is fastened in a housing and that can be excited with a certain frequency, wherein a balancing mass (inertia) is arranged with rotational flexibility between the tube fastening and the housing. In particular, a spring steel plate is used for providing a connection rigidity between the balancing mass and the housing, which plate comprises a fixed portion and a movable portion cut out from the fixed portion, wherein the incisions are formed such that the fixed and movable portions are interconnected via resilient plate portions, which resilient plate portions are in particular elongate strips lying in one line and realizing a rotational flexibility (torsion), while abutments are provided which limit the amplitude of movements of the balancing mass.
A Coriolis flow sensor with at least one vibrating flow tube through which a medium flows, includes elements for exciting the tube, and optical detection element for determining the movements of one or several points of the tube based on the principle of reflection of a light beam against the photosensitive surface of a light sensor. The light beam is directed at the tube wall, at a layer provided on this wall, or at an element fastened against this wall, wherein elements for shaping the beam are arranged for making the convergence of the beam in the direction of movement of the tube associated with the Coriolis forces smaller than the convergence in the direction of movement of the tube associated with the excitation forces. The sensitivity in the detection of the small movements of the tube caused by the Coriolis forces is enhanced.
G01B 11/14 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la distance ou la marge entre des objets ou des ouvertures espacés
A flowmeter including a system chip with a silicon substrate provided on a carrier, in an opening whereof at least one silicon flow tube is provided for transporting a medium whose flow rate is to be measured, the tube having two ends that issue via a wall of the opening into channels coated with silicon nitride in the silicon substrate, wherein the flow tube forms part of a Coriolis flow sensor and/or a thermal flow sensor, and wherein the channels are preferably in communication through the carrier with connection lines to the external world.
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Registered computer programs (software) in the field of gas
and liquids measurement; electric apparatus and instruments
for measuring, weighing, indicating, regulating and dosing
the mass flow of gas and liquids, including control valves
and pressure controllers. Providing, via computerized systems, programs for
processing, storing and retrieving information in the field
of gas and liquids measurement; design and development of
computer software in the field of gas- and liquids
measurement.
74.
Coriolis type flow measuring system with analog to digital converters having an adjustable sampling frequency
Coriolis type flow measuring system for measuring the mass flow rate of a flowing medium, includes a flow tube and sensors associated with the flow tube for generating analog signals corresponding to the movement of the tube, analog to digital conversion elements for converting the analog sensor signals into digitized signals with a sampling frequency, and elements for calculating the mass flow rate from the digitized signals, which system is provided with members for causing the sampling of the sensor signals to take place with a number of different frequencies, elements for continuously measuring the rate at which the flow changes, and elements for selecting a predefined sampling frequency in dependence on the rate of change thus measured.
A flow measuring system of the Coriolis type for measuring a mass flow, with a flow tube and with excitation elements for causing the flow tube to rotate about an axis of rotation, with at least three sensors arranged free of the flow tube for generating analog signals that correspond to the movement of the tube, and with elements for digitizing the analog signals and for computing the mass flow from the digitized sensor signals. The computation elements are arranged for using exclusively the time information from the sensor signals. The accurate time information of the sensors is used by algorithms in digital electronic circuits for accurately determining the ratio between amplitudes due to excitation and those due to Coriolis forces. The mass flow is derived from this ratio.
Coriolis mass flowmeter with a Coriolis tube and with an optical detection device, which optical detection device includes at least one optical sensor for generating a signal that is representative of the movement of the Coriolis tube, the optical sensor comprising a light source and a photosensitive sensor, wherein the optical detection device includes elements for applying a constant voltage across the photosensitive sensor during operation independently of the current generated by the photosensitive sensor in response to incident light, as well as elements for determining the value of the current generated by the photosensitive sensor and converting it into an output signal.
A transformer core includes a stack of a plurality of planar core plates of a magnetically permeable material, which plates each consist of a first and a second sub-part that together enclose at least one opening. The sub-parts can be fitted together via contact faces that are located on either side of the opening and that extend obliquely with respect to the centerline of the core plate. The invention also relates to the use of the described transformer core in a Coriolis flowmeter with the Coriolis tube extending through the opening so as to induce a current in the tube.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Recorded computer programs (software); hardware; electric
apparatus and instruments for measuring, weighing and
reproducing of amounts of gas and liquids (not included in
other classes).
79.
Coriolis mass flowmeter with optical position sensors
Coriolis mass flowmeter comprising a flow tube, at least one tube position sensor provided with a light source and with a light detector for receiving light from the light source, and drive means for causing the tube to move about an axis, the above being arranged such that the tube or a projection fastened to the tube, for example a vane, moves through a light path between the light source and the light detector, wherein a first screen with a first light-transmitting opening is placed at the side of the light source and a second screen with a second light-transmitting opening is placed at the side of the light detector, wherein the first and the second opening are identical and are correspondingly oriented, and wherein the openings are mutually parallel and aligned so as to form a prismatic light beam on the detector.
A flow sensor of the thermal type having a U-shaped sensor tube with two legs and a connecting limb with two adjoining electrical resistance elements, and with a housing. The sensor tube has an inlet side and an outlet side. The housing has a first and a second housing part of a thermally well-conducting material, each with an inner surface provided with cavities and with an outer surface. The housing parts are placed with their inner surfaces against each other, while the U-shaped sensor tube has a main surface that extends parallel to the inner surfaces. The housing parts surround the connecting limb and the legs of the U-shaped sensor tube such that the sensor tube is thermally clamped in between the housing parts in two locations: a first location situated between its inlet side and the upstream resistance element, and a second location situated between its outlet side and the downstream resistance element.
G01F 1/68 - 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 thermiques
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Registered computer programs (software); computer hardware;
electric apparatus and instruments for measuring, weighing
(dosing) and indicating of amounts of gas and liquids. Making available, via computerized systems, programs for
processing, storing, and retrieving information; computer
software design and development.
09 - Appareils et instruments scientifiques et électriques
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; automatic vending machines
and mechanisms for coin-operated apparatus; cash registers,
calculating machines, data processing equipment and
computers; fire-extinguishing apparatus; apparatus for the
measurement and dosage of the flow of gasses and fluids.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Registered computer programs (software); computer hardware;
electric apparatus and instruments for measuring, weighing
and reproducing amounts of gas and liquids, as far as not
included in other classes; apparatus for data processing.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Registered computer programs for use in database management, use as a spreadsheet, word processing and for the collection, editing, organizing, modifying, book marking, transmission, storage and sharing of data and information; computer hardware; electric apparatus for measuring, dosing and indicating amounts of gasses and liquids, namely gas sensors for measuring gas concentration, electric control valves for regulating the flow of gasses and liquids and electric automatic liquid-flow control machines and instruments; apparatus for data processing, namely central processing units
09 - Appareils et instruments scientifiques et électriques
Produits et services
Scientific measuring instruments, namely conductivity meters; surveying machines and instruments; photographic apparatus, namely cameras; cinematographic machines and apparatus; electronic and optical communications instruments and components, namely, digital transmitters; apparatus for recording, transmission or reproduction of sound or images; blank magnetic data carriers, blank recording discs; cash registers, calculating machines, namely calculators, data processing equipment in the nature of central processing units and computers; fire-extinguishing apparatus, namely, fire extinguishers; apparatus for the measurement and dosage of the flow of gasses and liquids, namely, gas sensors for measuring gas concentration, electric control valves for regulating the flow of gasses and liquids and electric automatic liquid-flow control machines and instruments
09 - Appareils et instruments scientifiques et électriques
Produits et services
Registered computer programs (software); computer hardware;
electric apparatus and instruments for measuring, weighing
and reproducing of amounts of gas and liquids, so far as not
included in other classes.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Registered computer programs for use in database management, use as a spreadsheet, word processing and for the collection, editing, organizing, modifying, book marking, transmission, storage and sharing of data and information
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Computer software (recorded); computer hardware; electrical apparatus and instruments for measuring, weighing and indicating the quantities of gases and liquids. Making available, via computerised systems, programs for processing, storing, and retrieving information; computer software design and development.
