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1. WO2020114717 - MAGNETICALLY INDUCTIVE FLOWMETER

Publication Number WO/2020/114717
Publication Date 11.06.2020
International Application No. PCT/EP2019/080800
International Filing Date 11.11.2019
IPC
G01F 1/58 2006.01
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
56by using electric or magnetic effects
58by electromagnetic flowmeters
G01K 13/02 2006.01
GPHYSICS
01MEASURING; TESTING
KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
13Adaptations of thermometers for specific purposes
02for measuring temperature of moving fluids or granular materials capable of flow
G01L 19/00 2006.01
GPHYSICS
01MEASURING; TESTING
LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
19Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
CPC
G01F 1/58
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
56by using electric or magnetic effects
58by electromagnetic flowmeters
G01F 1/584
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
56by using electric or magnetic effects
58by electromagnetic flowmeters
584constructions of electrodes, accessories therefor
G01F 1/86
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
76Devices for measuring mass flow of a fluid or a fluent solid material
86Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
G01F 15/02
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
15Details of, or accessories for, apparatus of the preceding groups insofar as such details or appliances are not adapted to particular types of such apparatus
02Compensating or correcting for variations in pressure, density or temperature
G01K 13/02
GPHYSICS
01MEASURING; TESTING
KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
13Adaptations of thermometers for specific purposes
02for measuring temperature of moving fluids or granular materials capable of flow
G01L 19/00
GPHYSICS
01MEASURING; TESTING
LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
19Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
Applicants
  • ENDRESS+HAUSER FLOWTEC AG [CH]/[CH]
Inventors
  • RUFER, Heinz
  • VOIGT, Frank
  • ZIEGLER, Steffen
Agents
  • ANDRES, Angelika
Priority Data
10 2018 130 793.404.12.2018DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) MAGNETISCH-INDUKTIVES DURCHFLUSSMESSGERÄT
(EN) MAGNETICALLY INDUCTIVE FLOWMETER
(FR) DÉBITMÈTRE MAGNÉTO-INDUCTIF
Abstract
(DE)
Die Erfindung betrifft ein magnetisch-induktives Durchflussmessgerät zur Ermittlung der Durchflussgeschwindigkeit und/oder des Volumendurchflusses eines Mediums, das ein Messrohr zum Führen des Mediums, eine magnetfelderzeugende Vorrichtung und mindestens eine Elektrodenbaugruppe umfasst, die einen galvanischen Kontakt mit dem Medium formend in das Messrohr eingebaut ist, wobei die Elektrodenbaugruppe einen Elektrodenkörper aufweist, wobei der Elektrodenkörper stiftförmig ausgebildet ist und eine Stirnfläche aufweist, und ist dadurch gekennzeichnet, dass ein Druckmesswandler mit dem Elektrodenkörper gekoppelt ist, wobei der Druckmesswandler mit dem auf die Stirnfläche wirkenden Druck beaufschlagbar ist, und dass die Elektrodenbaugruppe einen Temperatursensor umfasst, der dazu eingerichtet ist, ein von der Mediumstemperatur abhängiges Messsignal zu ermitteln.
(EN)
The invention relates to a magnetically inductive flowmeter for determining the flow velocity and/or the volumetric flow rate of a medium, comprising a measurement tube for guiding the medium, a magnetic-field-generating device and at least one electrode assembly, which is installed in the measurement tube in such a way that galvanic contact with the medium is formed, the electrode assembly comprising an electrode body, the electrode body being pin-shaped and comprising an end face, characterized in that a pressure transducer is coupled to the electrode body, it being possible to apply the pressure acting on the end face to the pressure transducer and that the electrode assembly comprises a temperature sensor which is designed to determine a measurement signal dependent on the medium temperature.
(FR)
L'invention concerne un débitmètre magnéto-inductif pour déterminer la vitesse d'écoulement et/ou le flux volumique d'un milieu, qui comprend un tube de mesure pour guider le milieu, un dispositif générant un champ magnétique et au moins un module d'électrode, qui est monté dans le tube de mesure de manière à former un contact galvanique avec le milieu, le module d'électrode présentant un corps d'électrode, le corps d'électrode étant conçu sous forme de tige et présentant une face frontale. Selon l'invention, un transducteur de pression est couplé au corps d'électrode, le transducteur de pression pouvant être sollicité par une pression agissant sur la face frontale, et le module d'électrode comprenant un capteur de température conçu pour déterminer un signal de mesure dépendant de la température du milieu.
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