FR2402863A1 - Senseur de pression ambiante - Google Patents
Senseur de pression ambianteInfo
- Publication number
- FR2402863A1 FR2402863A1 FR7824166A FR7824166A FR2402863A1 FR 2402863 A1 FR2402863 A1 FR 2402863A1 FR 7824166 A FR7824166 A FR 7824166A FR 7824166 A FR7824166 A FR 7824166A FR 2402863 A1 FR2402863 A1 FR 2402863A1
- Authority
- FR
- France
- Prior art keywords
- ambient pressure
- variations
- piston
- pressure sensor
- cursor
- 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
- 239000000446 fuel Substances 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0033—Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or electromagnetic means
- G01L9/0035—Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or electromagnetic means using variations in ohmic resistance
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Senseur de pression ambiante destiné à délivrer un signal électrique variable en fonction des variations de la pression ambiante. Les variations de longueur d'un senseur anéroïde sont utilisées pour déplacer un élément de valve qui contrôle le niveau de pression transmis à une chambre dans laquelle se déplace un piston qui porte l'autre élément de valve. Le piston se déplace en fonction des variations de longueur du senseur anéroïde. Le curseur d'un potentiomètre est fixé au piston, ce qui permet de vaincre les frottements du curseur et d'obtenir une information électrique précise. Application aux systemes de contrôle d'injection de carburant pour automobiles.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/831,219 US4117724A (en) | 1977-09-07 | 1977-09-07 | Ambient pressure sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2402863A1 true FR2402863A1 (fr) | 1979-04-06 |
FR2402863B1 FR2402863B1 (fr) | 1982-11-19 |
Family
ID=25258567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7824166A Granted FR2402863A1 (fr) | 1977-09-07 | 1978-08-18 | Senseur de pression ambiante |
Country Status (9)
Country | Link |
---|---|
US (1) | US4117724A (fr) |
JP (1) | JPS5450377A (fr) |
AU (1) | AU523359B2 (fr) |
CA (1) | CA1100327A (fr) |
DE (1) | DE2836739A1 (fr) |
FR (1) | FR2402863A1 (fr) |
GB (1) | GB2004070B (fr) |
IT (1) | IT1098494B (fr) |
SE (1) | SE7809340L (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55128143A (en) * | 1979-03-28 | 1980-10-03 | Nissan Motor Co Ltd | Detector for density of gas |
US4352168A (en) * | 1980-04-14 | 1982-09-28 | Anderson Robert D | Diver's bottom timer/depth gauge or the like and direct digital input and tracking system therefor |
US5045830A (en) * | 1988-01-18 | 1991-09-03 | Toyo Denso Kabushiki Kaisha | Hydraulic actuating apparatus |
DE19614315C2 (de) * | 1996-04-11 | 1998-07-02 | Daimler Benz Ag | Drucksensoranordnung |
DE19637607A1 (de) * | 1996-09-16 | 1998-03-19 | Trw Fahrzeugelektrik | Druckschalteinrichtung, insbesondere für die Kraftfahrzeugtechnik |
CN113324690A (zh) * | 2021-06-04 | 2021-08-31 | 盐城师范学院 | 大气压力传感器 |
CN117848581B (zh) * | 2024-03-07 | 2024-05-17 | 西安众妙之门科技有限公司 | 一种气压传感器 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2588988A (en) * | 1947-02-14 | 1952-03-11 | Mason Neilan Regulator Company | Follow-up type servomotor |
US2744502A (en) * | 1952-08-16 | 1956-05-08 | Simmonds Aerocessories Inc | Pneumatic control apparatus |
US3172069A (en) * | 1964-04-14 | 1965-03-02 | Bourns Inc | Pressure potentiometer arrangement |
US3232179A (en) * | 1958-07-21 | 1966-02-01 | Bendix Corp | Servo control apparatus |
FR1522115A (fr) * | 1966-05-16 | 1968-04-19 | Bendix Corp | Servomécanisme de positionnement |
GB1472543A (en) * | 1974-09-06 | 1977-05-04 | Lucas Electrical Ltd | Apparatus for monitoring atmospheric pressure |
FR2351399A1 (fr) * | 1976-05-12 | 1977-12-09 | Lucas Electrical Co Ltd | Transducteur de pression de fluide |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3256740A (en) * | 1961-09-27 | 1966-06-21 | Taylor Instrument Co | Pressure responsive device |
-
1977
- 1977-09-07 US US05/831,219 patent/US4117724A/en not_active Expired - Lifetime
-
1978
- 1978-07-11 CA CA307,186A patent/CA1100327A/fr not_active Expired
- 1978-08-08 GB GB7832534A patent/GB2004070B/en not_active Expired
- 1978-08-09 AU AU38758/78A patent/AU523359B2/en not_active Expired
- 1978-08-18 FR FR7824166A patent/FR2402863A1/fr active Granted
- 1978-08-22 DE DE19782836739 patent/DE2836739A1/de not_active Withdrawn
- 1978-09-01 JP JP10740178A patent/JPS5450377A/ja active Pending
- 1978-09-05 SE SE7809340A patent/SE7809340L/xx unknown
- 1978-09-05 IT IT27312/78A patent/IT1098494B/it active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2588988A (en) * | 1947-02-14 | 1952-03-11 | Mason Neilan Regulator Company | Follow-up type servomotor |
US2744502A (en) * | 1952-08-16 | 1956-05-08 | Simmonds Aerocessories Inc | Pneumatic control apparatus |
US3232179A (en) * | 1958-07-21 | 1966-02-01 | Bendix Corp | Servo control apparatus |
US3172069A (en) * | 1964-04-14 | 1965-03-02 | Bourns Inc | Pressure potentiometer arrangement |
FR1522115A (fr) * | 1966-05-16 | 1968-04-19 | Bendix Corp | Servomécanisme de positionnement |
GB1472543A (en) * | 1974-09-06 | 1977-05-04 | Lucas Electrical Ltd | Apparatus for monitoring atmospheric pressure |
FR2351399A1 (fr) * | 1976-05-12 | 1977-12-09 | Lucas Electrical Co Ltd | Transducteur de pression de fluide |
Also Published As
Publication number | Publication date |
---|---|
CA1100327A (fr) | 1981-05-05 |
DE2836739A1 (de) | 1979-03-15 |
GB2004070A (en) | 1979-03-21 |
GB2004070B (en) | 1982-05-12 |
SE7809340L (sv) | 1979-03-08 |
AU523359B2 (en) | 1982-07-22 |
FR2402863B1 (fr) | 1982-11-19 |
US4117724A (en) | 1978-10-03 |
IT7827312A0 (it) | 1978-09-05 |
IT1098494B (it) | 1985-09-07 |
AU3875878A (en) | 1980-02-14 |
JPS5450377A (en) | 1979-04-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |