FR2243429B3 - - Google Patents
Info
- Publication number
- FR2243429B3 FR2243429B3 FR7430491A FR7430491A FR2243429B3 FR 2243429 B3 FR2243429 B3 FR 2243429B3 FR 7430491 A FR7430491 A FR 7430491A FR 7430491 A FR7430491 A FR 7430491A FR 2243429 B3 FR2243429 B3 FR 2243429B3
- 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
-
- 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
- H01H35/242—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow operated by one particular pressure-time function
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
- G01F23/16—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
- G01F23/164—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid using a diaphragm, bellow as transmitting element
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US395520A US3859484A (en) | 1973-09-10 | 1973-09-10 | Cyclic pressure switch with plural diaphrams |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2243429A1 FR2243429A1 (fr) | 1975-04-04 |
| FR2243429B3 true FR2243429B3 (fr) | 1977-06-17 |
Family
ID=23563393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7430491A Expired FR2243429B3 (fr) | 1973-09-10 | 1974-09-09 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3859484A (fr) |
| JP (1) | JPS51124462A (fr) |
| BE (1) | BE819691A (fr) |
| CA (1) | CA1020053A (fr) |
| CH (1) | CH594238A5 (fr) |
| DE (1) | DE2443236A1 (fr) |
| FR (1) | FR2243429B3 (fr) |
| GB (1) | GB1459607A (fr) |
| ZA (1) | ZA745275B (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3946176A (en) * | 1974-12-04 | 1976-03-23 | Dresser Industries, Inc. | Differential pressure switch |
| US4081636A (en) * | 1976-03-03 | 1978-03-28 | Johnson Controls, Inc. | Differential pressure cutout switch |
| US4281667A (en) * | 1976-06-21 | 1981-08-04 | Cosman Eric R | Single diaphragm telemetric differential pressure sensing system |
| US4206761A (en) * | 1976-06-21 | 1980-06-10 | Cosman Eric R | Pressure-balanced telemetric pressure sensing method |
| US4206762A (en) * | 1976-06-21 | 1980-06-10 | Cosman Eric R | Telemetric differential pressure sensing method |
| US4281666A (en) * | 1976-06-21 | 1981-08-04 | Cosman Eric R | Single diaphragm pressure-balanced telemetric pressure sensing system |
| US4140436A (en) * | 1977-08-19 | 1979-02-20 | Virginia Chemicals Inc. | Pressure control device for fluid systems |
| DE4023611A1 (de) * | 1990-07-25 | 1992-02-06 | Centra Buerkle Gmbh & Co | Fuellstandssensor |
| US7191792B2 (en) * | 2003-09-19 | 2007-03-20 | Ingersoll-Rand Company | Compressor assembly |
| KR101651589B1 (ko) * | 2016-06-28 | 2016-08-26 | 김민수 | 공기의 차압을 이용한 비오브이밸브 |
| US10768037B2 (en) | 2017-06-12 | 2020-09-08 | Raytheon Technologies Corporation | Oil level sensor guide |
| PL72062Y1 (pl) * | 2017-12-15 | 2021-07-12 | Marek Bronowski | Czujnik podciśnienia na bazie ssawki (przyssawki) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3134332A (en) * | 1962-03-19 | 1964-05-26 | Robert E Nelson | Pump and liquid level regulator |
| US3127586A (en) * | 1962-06-01 | 1964-03-31 | Chrysler Corp | Lubrication warning signal |
| US3246094A (en) * | 1963-12-13 | 1966-04-12 | Holley Carburetor Co | Delayed return pressure actuated device |
| US3535479A (en) * | 1968-06-07 | 1970-10-20 | Koehler Dayton | Time delay pressure switch |
| US3784772A (en) * | 1971-10-07 | 1974-01-08 | J Nelson | Fluid pressure actuated switch with prestressed diaphragm |
| JPS556178A (en) * | 1978-06-29 | 1980-01-17 | Mitsubishi Heavy Ind Ltd | Air conditioner |
| EP0161901B1 (fr) * | 1984-05-18 | 1993-12-01 | New England Medical Center Hospitals, Inc. | Séquences d'cADN de IL-1 humaine, codant des protéines biologiquement actives de IL-1 humaine |
-
1973
- 1973-09-10 US US395520A patent/US3859484A/en not_active Expired - Lifetime
-
1974
- 1974-08-16 ZA ZA00745275A patent/ZA745275B/xx unknown
- 1974-09-09 CA CA208,714A patent/CA1020053A/fr not_active Expired
- 1974-09-09 FR FR7430491A patent/FR2243429B3/fr not_active Expired
- 1974-09-09 CH CH1222174A patent/CH594238A5/xx not_active IP Right Cessation
- 1974-09-09 BE BE148336A patent/BE819691A/fr unknown
- 1974-09-10 DE DE2443236A patent/DE2443236A1/de not_active Withdrawn
- 1974-09-10 GB GB3947674A patent/GB1459607A/en not_active Expired
-
1975
- 1975-04-16 JP JP50046304A patent/JPS51124462A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51124462A (en) | 1976-10-29 |
| FR2243429A1 (fr) | 1975-04-04 |
| GB1459607A (en) | 1976-12-22 |
| CH594238A5 (fr) | 1977-12-30 |
| ZA745275B (en) | 1975-08-27 |
| BE819691A (fr) | 1974-12-31 |
| AU7305774A (en) | 1976-03-11 |
| CA1020053A (fr) | 1977-11-01 |
| DE2443236A1 (de) | 1975-03-20 |
| US3859484A (en) | 1975-01-07 |