DE3270059D1 - Differential pressure measuring system - Google Patents
Differential pressure measuring systemInfo
- Publication number
- DE3270059D1 DE3270059D1 DE8282400192T DE3270059T DE3270059D1 DE 3270059 D1 DE3270059 D1 DE 3270059D1 DE 8282400192 T DE8282400192 T DE 8282400192T DE 3270059 T DE3270059 T DE 3270059T DE 3270059 D1 DE3270059 D1 DE 3270059D1
- Authority
- DE
- Germany
- Prior art keywords
- differential pressure
- measuring system
- pressure measuring
- differential
- pressure
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
- G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
- G01L13/028—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using capsules
-
- 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
- G01L9/0086—Transmitting or indicating the displacement of capsules by electric, electromechanical, magnetic, or electromechanical means using variations in capacitance
-
- 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
- G01L9/12—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 by making use of variations in capacitance, i.e. electric circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/244,184 US4457179A (en) | 1981-03-16 | 1981-03-16 | Differential pressure measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3270059D1 true DE3270059D1 (en) | 1986-04-30 |
Family
ID=22921700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8282400192T Expired DE3270059D1 (en) | 1981-03-16 | 1982-02-04 | Differential pressure measuring system |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4457179A (de) |
| EP (1) | EP0061940B1 (de) |
| JP (1) | JPS57158533A (de) |
| CA (1) | CA1168755A (de) |
| DE (1) | DE3270059D1 (de) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4434664A (en) * | 1981-07-06 | 1984-03-06 | The Bendix Corporation | Pressure ratio measurement system |
| US4532809A (en) * | 1981-10-05 | 1985-08-06 | Allied Corporation | Pressure measuring systems with increased accuracy for a constant resolution |
| US4422125A (en) * | 1982-05-21 | 1983-12-20 | The Bendix Corporation | Pressure transducer with an invariable reference capacitor |
| US4618856A (en) * | 1985-05-03 | 1986-10-21 | Allied Corporation | Stall surge detector |
| US4982351A (en) * | 1986-05-05 | 1991-01-01 | Texas Instruments Incorporated | Low cost high precision sensor |
| US5051937A (en) * | 1986-05-05 | 1991-09-24 | Texas Instruments Incorporated | Low cost high precision sensor |
| US4951236A (en) * | 1986-05-05 | 1990-08-21 | Texas Instruments Incorporated | Low cost high precision sensor |
| US4872349A (en) * | 1986-10-31 | 1989-10-10 | General Electric Company | Microcomputerized force transducer |
| US4987782A (en) * | 1989-10-03 | 1991-01-29 | Allied-Signal Inc. | Capacitive pressure transducer system |
| DE69113632T2 (de) * | 1990-08-17 | 1996-03-21 | Analog Devices Inc | Monolithischer beschleunigungsmesser. |
| US5163326A (en) * | 1991-03-08 | 1992-11-17 | Rosemount Inc. | Line pressure compensator for a pressure transducer |
| US5241850A (en) * | 1991-11-01 | 1993-09-07 | Texas Instruments Incorporated | Sensor with programmable temperature compensation |
| ES2148235T3 (es) * | 1992-08-10 | 2000-10-16 | Dow Deutschland Inc | Procedimiento y dispositivo para el seguimiento de la excitacion vibracional de un compresor axial. |
| WO1994003863A1 (en) * | 1992-08-10 | 1994-02-17 | Dow Deutschland Inc. | Process for detecting fouling of an axial compressor |
| KR100301892B1 (ko) * | 1992-08-10 | 2001-11-22 | 스티븐에스. 그레이스 | 가스터빈하우징에설치되는압력센서가장착된어댑터와이어댑터를이용한압력측정장치및압력측정방법 |
| AU4637293A (en) * | 1992-08-10 | 1994-03-03 | Dow Deutschland Inc. | Process and device for monitoring and for controlling of a compressor |
| US5528520A (en) * | 1994-12-08 | 1996-06-18 | Ford Motor Company | Calibration circuit for capacitive sensors |
| US5604315A (en) * | 1995-01-12 | 1997-02-18 | Setra Systems, Inc. | Apparatus using a feedback network to measure fluid pressures |
| US5705978A (en) * | 1995-09-29 | 1998-01-06 | Rosemount Inc. | Process control transmitter |
| US5808198A (en) * | 1997-05-19 | 1998-09-15 | The Charles Stark Draper Laboratory, Inc. | RF balanced capacitive vibration sensor system |
| US6879056B2 (en) * | 2000-12-29 | 2005-04-12 | Intel Corporation | Converting sensed signals |
| US6910381B2 (en) * | 2002-05-31 | 2005-06-28 | Mykrolis Corporation | System and method of operation of an embedded system for a digital capacitance diaphragm gauge |
| KR100954157B1 (ko) * | 2007-12-21 | 2010-04-20 | 한국항공우주연구원 | 터보기계 블레이드 파손 모니터링 유닛 및 이를 갖는 터보장치 |
| CN102141455B (zh) * | 2010-12-10 | 2014-06-25 | 北京航空航天大学 | 一种非介入式压力测量方法 |
| US9671224B2 (en) | 2012-06-12 | 2017-06-06 | Trx Systems, Inc. | Methods resolving the elevation of a tracked personnel or assets |
| US9322648B1 (en) * | 2012-06-12 | 2016-04-26 | Trx Systems, Inc. | Reducing elevation error with environmental pressure anomaly compensation |
| CN113483946B (zh) * | 2021-06-01 | 2023-04-28 | 广西防城港核电有限公司 | 差压变送器充水排气系统及方法 |
| CN114279626B (zh) * | 2021-12-06 | 2024-07-16 | 北京晨晶电子有限公司 | 一种基于薄膜电容器的气体真空度检测方法及系统 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3237178A (en) * | 1963-11-01 | 1966-02-22 | Honeywell Inc | Control apparatus |
| US3657630A (en) * | 1968-10-09 | 1972-04-18 | Trw Inc | Electro servosystem for a force balancing gauge |
| US3595084A (en) * | 1970-02-27 | 1971-07-27 | Continental Can Co | Digital transducer system |
| US3858097A (en) * | 1973-12-26 | 1974-12-31 | Bendix Corp | Pressure-sensing capacitor |
| US4001813A (en) * | 1975-07-02 | 1977-01-04 | The Bendix Corporation | Precision capacitance to digital conversion system |
| US4153873A (en) * | 1977-10-11 | 1979-05-08 | Rosemount Inc. | Transducer for converting a varying analog current signal to a binary digital signal |
| JPS55159109A (en) * | 1979-05-30 | 1980-12-11 | Yokogawa Hokushin Electric Corp | Capacity type displacement converter |
| US4322977A (en) * | 1980-05-27 | 1982-04-06 | The Bendix Corporation | Pressure measuring system |
-
1981
- 1981-03-16 US US06/244,184 patent/US4457179A/en not_active Expired - Fee Related
- 1981-12-07 CA CA000391658A patent/CA1168755A/en not_active Expired
-
1982
- 1982-02-04 DE DE8282400192T patent/DE3270059D1/de not_active Expired
- 1982-02-04 EP EP82400192A patent/EP0061940B1/de not_active Expired
- 1982-03-02 JP JP57031854A patent/JPS57158533A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1168755A (en) | 1984-06-05 |
| JPS57158533A (en) | 1982-09-30 |
| EP0061940B1 (de) | 1986-03-26 |
| EP0061940A1 (de) | 1982-10-06 |
| US4457179A (en) | 1984-07-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8380 | Miscellaneous part iii |
Free format text: DER PATENTINHABER LAUTET RICHTIG: ALLIED CORP., MORRISTOWN, N.J., US |
|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |