FR2400187A1 - Debitmetre magnetique - Google Patents
Debitmetre magnetiqueInfo
- Publication number
- FR2400187A1 FR2400187A1 FR7823259A FR7823259A FR2400187A1 FR 2400187 A1 FR2400187 A1 FR 2400187A1 FR 7823259 A FR7823259 A FR 7823259A FR 7823259 A FR7823259 A FR 7823259A FR 2400187 A1 FR2400187 A1 FR 2400187A1
- Authority
- FR
- France
- Prior art keywords
- pipe
- flow meter
- electrode
- fluid
- magnetic flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/08—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect
- G01P5/086—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect by using special arrangements and constructions for measuring the dynamo-electric effect
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Measuring Volume Flow (AREA)
Abstract
L'invention concerne un débitmètre magnétique. Il comporte une conduite conductrice remplissant la fonction d'une électrode et un enroulement inducteur dont la partie utile est disposée suivant l'axe de la conduite. Une seconde électrode, est placée sur cette partie utile de l'enroulement, ce dernier recevant un courant pulsé qui produit un champ magnétique concentrique. La circulation d'un fluide dans la conduite fait apparaître entre les électrodes une tension pulsée, dont l'amplitude est proportionnelle au débit du fluide. L'invention s'applique notamment à des dispositifs de commande de processus.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/822,473 US4137766A (en) | 1977-08-08 | 1977-08-08 | Integral field magnetic flowmeter |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2400187A1 true FR2400187A1 (fr) | 1979-03-09 |
FR2400187B1 FR2400187B1 (fr) | 1983-08-26 |
Family
ID=25236133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7823259A Granted FR2400187A1 (fr) | 1977-08-08 | 1978-08-07 | Debitmetre magnetique |
Country Status (8)
Country | Link |
---|---|
US (1) | US4137766A (fr) |
JP (1) | JPS5453565A (fr) |
CA (1) | CA1130864A (fr) |
DE (1) | DE2834613A1 (fr) |
FR (1) | FR2400187A1 (fr) |
GB (2) | GB2060901B (fr) |
IT (1) | IT7850635A0 (fr) |
NL (1) | NL7808031A (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5686312A (en) * | 1979-12-17 | 1981-07-14 | Yokogawa Hokushin Electric Corp | Transmitter for electromagnetic flow rate meter |
US4727755A (en) * | 1986-12-08 | 1988-03-01 | Fischer & Porter Co. | Electromagnetic flowmeter with alternating permanent magnet field |
US5263374A (en) * | 1992-01-24 | 1993-11-23 | Marsh-Mcbirney, Inc. | Flowmeter with concentrically arranged electromagnetic field |
US6729191B1 (en) * | 2000-04-28 | 2004-05-04 | The Foxboro Company | Electrical inductive flowmeter circuits including coil excitors and current regulators |
EP1387148A3 (fr) * | 2002-08-02 | 2007-06-20 | ABB PATENT GmbH | Procédé d' opération d' un système de mesure du débit, ainsi que système de mesure du débit |
US20100263458A1 (en) * | 2009-04-20 | 2010-10-21 | Itt Manufacturing Enterprises, Inc. | Self contained inline field effect fluid detection |
US9182258B2 (en) | 2011-06-28 | 2015-11-10 | Rosemount Inc. | Variable frequency magnetic flowmeter |
DE102011083550A1 (de) * | 2011-09-27 | 2013-03-28 | Endress + Hauser Flowtec Ag | Schraubhülse |
US9696188B2 (en) * | 2013-03-14 | 2017-07-04 | Rosemount Inc. | Magnetic flowmeter with automatic adjustment based on sensed complex impedance |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3783687A (en) * | 1972-05-26 | 1974-01-08 | Fischer & Porter Co | Electromagnetic flowmeter with square-wave excitation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3902366A (en) * | 1972-05-17 | 1975-09-02 | Sybron Corp | Magnetic flowmeter system |
JPS5034853A (fr) * | 1973-07-31 | 1975-04-03 | ||
DE2410407C3 (de) * | 1974-03-05 | 1981-05-21 | Fa. Ludwig Krohne, 4100 Duisburg | Verfahren zur Kompensation der elektrochemischen Störgleichspannung bei der induktiven Durchflußmessung mit periodisch zwischen zwei Induktionswerten hin- und hergeschaltetem Gleichfeld |
-
1977
- 1977-08-08 US US05/822,473 patent/US4137766A/en not_active Expired - Lifetime
-
1978
- 1978-07-28 NL NL787808031A patent/NL7808031A/xx not_active Application Discontinuation
- 1978-08-04 CA CA308,757A patent/CA1130864A/fr not_active Expired
- 1978-08-07 IT IT7850635A patent/IT7850635A0/it unknown
- 1978-08-07 DE DE782834613A patent/DE2834613A1/de not_active Withdrawn
- 1978-08-07 FR FR7823259A patent/FR2400187A1/fr active Granted
- 1978-08-08 JP JP9657678A patent/JPS5453565A/ja active Pending
- 1978-08-08 GB GB8036194A patent/GB2060901B/en not_active Expired
- 1978-08-08 GB GB7832616A patent/GB2002523B/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3783687A (en) * | 1972-05-26 | 1974-01-08 | Fischer & Porter Co | Electromagnetic flowmeter with square-wave excitation |
Non-Patent Citations (1)
Title |
---|
EXBK/59 * |
Also Published As
Publication number | Publication date |
---|---|
FR2400187B1 (fr) | 1983-08-26 |
CA1130864A (fr) | 1982-08-31 |
GB2002523B (en) | 1982-07-21 |
IT7850635A0 (it) | 1978-08-07 |
NL7808031A (nl) | 1979-02-12 |
DE2834613A1 (de) | 1979-03-01 |
JPS5453565A (en) | 1979-04-26 |
GB2060901B (en) | 1982-11-10 |
US4137766A (en) | 1979-02-06 |
GB2002523A (en) | 1979-02-21 |
GB2060901A (en) | 1981-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |