FR2451025A1 - Detecteur de pression, notamment pour detecter la pression d'air regnant dans la tubulure d'aspiration d'un moteur a combustion interne - Google Patents
Detecteur de pression, notamment pour detecter la pression d'air regnant dans la tubulure d'aspiration d'un moteur a combustion interneInfo
- Publication number
- FR2451025A1 FR2451025A1 FR8005231A FR8005231A FR2451025A1 FR 2451025 A1 FR2451025 A1 FR 2451025A1 FR 8005231 A FR8005231 A FR 8005231A FR 8005231 A FR8005231 A FR 8005231A FR 2451025 A1 FR2451025 A1 FR 2451025A1
- Authority
- FR
- France
- Prior art keywords
- pressure
- combustion engine
- internal combustion
- suction tubing
- detecting
- 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
- 238000002485 combustion reaction Methods 0.000 title abstract 2
- 238000005259 measurement Methods 0.000 abstract 2
- 238000006073 displacement reaction Methods 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
- G01L9/0082—Transmitting or indicating the displacement of capsules by electric, electromechanical, magnetic, or electromechanical means
- G01L9/0088—Transmitting or indicating the displacement of capsules by electric, electromechanical, magnetic, or electromechanical means using photoelectric means
-
- 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
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
- G01L9/0077—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792908808 DE2908808A1 (de) | 1979-03-07 | 1979-03-07 | Drucksensor, insbesondere zur erfassung des ansaugluftdruckes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2451025A1 true FR2451025A1 (fr) | 1980-10-03 |
| FR2451025B3 FR2451025B3 (cg-RX-API-DMAC10.html) | 1982-01-29 |
Family
ID=6064665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8005231A Granted FR2451025A1 (fr) | 1979-03-07 | 1980-03-07 | Detecteur de pression, notamment pour detecter la pression d'air regnant dans la tubulure d'aspiration d'un moteur a combustion interne |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4269069A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2908808A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2451025A1 (cg-RX-API-DMAC10.html) |
| IT (1) | IT1130321B (cg-RX-API-DMAC10.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4547668A (en) * | 1983-09-14 | 1985-10-15 | Siemens Corporate Research & Support, Inc. | Two-dimensional pressure sensor using retro-reflective tape and semi-transparent medium |
| JP3532776B2 (ja) * | 1998-10-20 | 2004-05-31 | 株式会社日立製作所 | 自動車用センサの取付け構造 |
| DE60125018T2 (de) | 2000-02-11 | 2007-06-28 | Rosemount Inc., Eden Prairie | Optischer druckaufnehmer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3100997A (en) * | 1960-08-18 | 1963-08-20 | Heraeus Gmbh W C | Diaphragm vacuum gauge |
| US3215135A (en) * | 1963-02-04 | 1965-11-02 | Ernst K Franke | Miniature pressure gauge for the measurement of intravascular blood pressure |
| US3503116A (en) * | 1967-10-09 | 1970-03-31 | Bendix Corp | Method of fabricating a pressure transducer |
| US3580082A (en) * | 1969-11-07 | 1971-05-25 | Bendix Corp | Pressure transducer |
| DE7435235U (de) * | 1974-10-22 | 1977-09-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Druckmessdose |
| US4210029A (en) * | 1979-05-04 | 1980-07-01 | Lad Research Industries, Inc. | Differential fiber optic differential pressure sensor |
-
1979
- 1979-03-07 DE DE19792908808 patent/DE2908808A1/de not_active Ceased
-
1980
- 1980-01-23 US US06/114,573 patent/US4269069A/en not_active Expired - Lifetime
- 1980-03-06 IT IT20400/80A patent/IT1130321B/it active
- 1980-03-07 FR FR8005231A patent/FR2451025A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IT8020400A0 (it) | 1980-03-06 |
| DE2908808A1 (de) | 1980-09-18 |
| US4269069A (en) | 1981-05-26 |
| IT1130321B (it) | 1986-06-11 |
| FR2451025B3 (cg-RX-API-DMAC10.html) | 1982-01-29 |
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