FR2422937B1 - - Google Patents
Info
- Publication number
- FR2422937B1 FR2422937B1 FR7810964A FR7810964A FR2422937B1 FR 2422937 B1 FR2422937 B1 FR 2422937B1 FR 7810964 A FR7810964 A FR 7810964A FR 7810964 A FR7810964 A FR 7810964A FR 2422937 B1 FR2422937 B1 FR 2422937B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
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- 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
- G01F1/05—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 mechanical effects
- G01F1/20—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 mechanical effects by detection of dynamic effects of the flow
- G01F1/22—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 mechanical effects by detection of dynamic effects of the flow by variable-area meters, e.g. rotameters
- G01F1/24—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 mechanical effects by detection of dynamic effects of the flow by variable-area meters, e.g. rotameters with magnetic or electric coupling to the indicating device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
- G01P13/0013—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using a solid body which is shifted by the action of the fluid
- G01P13/002—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using a solid body which is shifted by the action of the fluid with electrical coupling to the indicating devices
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7810964A FR2422937A1 (en) | 1978-04-13 | 1978-04-13 | Fluid flow detector - utilises moving valve contg. permanent magnet which operates switch on detector body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7810964A FR2422937A1 (en) | 1978-04-13 | 1978-04-13 | Fluid flow detector - utilises moving valve contg. permanent magnet which operates switch on detector body |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2422937A1 FR2422937A1 (en) | 1979-11-09 |
FR2422937B1 true FR2422937B1 (en) | 1982-05-14 |
Family
ID=9207097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7810964A Granted FR2422937A1 (en) | 1978-04-13 | 1978-04-13 | Fluid flow detector - utilises moving valve contg. permanent magnet which operates switch on detector body |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2422937A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE8206567D0 (en) * | 1982-11-18 | 1982-11-18 | Alfa Laval Ab | MILKING MACHINE DEVICE |
AU610484B3 (en) * | 1990-07-31 | 1991-05-16 | A J Mierzwa | UPVC flow switch |
DE4424641A1 (en) * | 1994-07-13 | 1996-01-18 | Bosch Gmbh Robert | Device for measuring fuel injection quantities |
FR3064740A1 (en) * | 2017-03-31 | 2018-10-05 | Ntn-Snr Roulements | DEVICE FOR DETECTION OF A GREASE PASSAGE AND ASSOCIATED LUBRICATION SYSTEM |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2404361A (en) * | 1943-04-27 | 1946-07-23 | Fischer & Porter Co | Rotameter |
DE1168108B (en) * | 1960-02-05 | 1964-04-16 | Friedmann Kg Alex | Flow indicators for lubrication systems, especially circulating lubrication systems |
US3446986A (en) * | 1966-11-28 | 1969-05-27 | Mobil Oil Corp | Flow indicator and control system |
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1978
- 1978-04-13 FR FR7810964A patent/FR2422937A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2422937A1 (en) | 1979-11-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |