BR8103257A - Sistema digital de medicao de pressao - Google Patents

Sistema digital de medicao de pressao

Info

Publication number
BR8103257A
BR8103257A BR8103257A BR8103257A BR8103257A BR 8103257 A BR8103257 A BR 8103257A BR 8103257 A BR8103257 A BR 8103257A BR 8103257 A BR8103257 A BR 8103257A BR 8103257 A BR8103257 A BR 8103257A
Authority
BR
Brazil
Prior art keywords
digital pressure
medication system
pressure medication
digital
pressure
Prior art date
Application number
BR8103257A
Other languages
English (en)
Inventor
R Sell
J Juhasz
J Sheler
Original Assignee
Bendix Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bendix Corp filed Critical Bendix Corp
Publication of BR8103257A publication Critical patent/BR8103257A/pt

Links

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
    • G01L9/12—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
BR8103257A 1980-05-27 1981-05-26 Sistema digital de medicao de pressao BR8103257A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/153,129 US4322977A (en) 1980-05-27 1980-05-27 Pressure measuring system

Publications (1)

Publication Number Publication Date
BR8103257A true BR8103257A (pt) 1982-02-16

Family

ID=22545900

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8103257A BR8103257A (pt) 1980-05-27 1981-05-26 Sistema digital de medicao de pressao

Country Status (6)

Country Link
US (1) US4322977A (pt)
EP (1) EP0040996B1 (pt)
JP (1) JPS5720634A (pt)
BR (1) BR8103257A (pt)
CA (1) CA1160348A (pt)
DE (1) DE3172204D1 (pt)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392382A (en) * 1981-03-09 1983-07-12 Motorola Inc. Linearized electronic capacitive pressure transducer
US4457179A (en) * 1981-03-16 1984-07-03 The Bendix Corporation Differential pressure measuring system
US4422335A (en) * 1981-03-25 1983-12-27 The Bendix Corporation Pressure transducer
US4398426A (en) * 1981-07-02 1983-08-16 Kavlico Corporation Linear capacitive pressure transducer system
US4434664A (en) * 1981-07-06 1984-03-06 The Bendix Corporation Pressure ratio measurement system
US4449409A (en) * 1981-07-13 1984-05-22 The Bendix Corporation Pressure measurement system with a constant settlement time
US4532809A (en) * 1981-10-05 1985-08-06 Allied Corporation Pressure measuring systems with increased accuracy for a constant resolution
FI69932C (fi) * 1984-05-31 1986-05-26 Vaisala Oy Maetningsfoerfarande foer kapacitanser speciellt foer smao kapacitanser vid vilker man anvaender tvao referenser
US4618856A (en) * 1985-05-03 1986-10-21 Allied Corporation Stall surge detector
US4747296A (en) * 1985-09-27 1988-05-31 Design Team Partners Electronic tonometer with baseline nulling system
JPS62211533A (ja) * 1986-03-13 1987-09-17 Yokogawa Electric Corp 容量式変換装置
US5083091A (en) * 1986-04-23 1992-01-21 Rosemount, Inc. Charged balanced feedback measurement circuit
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
US4791352A (en) * 1986-07-17 1988-12-13 Rosemount Inc. Transmitter with vernier measurement
US4728932A (en) * 1986-07-25 1988-03-01 Honeywell Inc. Detector for capacitive sensing devices
US4728931A (en) * 1986-07-25 1988-03-01 Honeywell Inc. Charge redistribution capacitance detection apparatus
US4765188A (en) * 1986-11-24 1988-08-23 Bourns Instruments, Inc. Pressure transducer with integral digital temperature compensation
US4860232A (en) * 1987-04-22 1989-08-22 Massachusetts Institute Of Technology Digital technique for precise measurement of variable capacitance
US4875368A (en) * 1987-09-08 1989-10-24 Panex Corporation Pressure sensor system
US4875369A (en) * 1987-09-08 1989-10-24 Panex Corporation Pressure sensor system
EP0333714A1 (en) * 1987-09-08 1989-09-27 Panex Corporation Pressure sensor system
US4878012A (en) * 1988-06-10 1989-10-31 Rosemount Inc. Charge balanced feedback transmitter
US4896100A (en) * 1988-08-30 1990-01-23 Hitec Products, Inc. Signal conditioner for capacitive transducer
US4987782A (en) * 1989-10-03 1991-01-29 Allied-Signal Inc. Capacitive pressure transducer system
US5291534A (en) * 1991-06-22 1994-03-01 Toyoda Koki Kabushiki Kaisha Capacitive sensing device
ATE195021T1 (de) * 1992-08-10 2000-08-15 Dow Deutschland Inc Verfahren und vorrichtung zur überwachung der vibrationserregung eines axialverdichters.
AU4637693A (en) * 1992-08-10 1994-03-03 Dow Deutschland Inc. Adaptor for mounting a pressure sensor to a gas turbine housing
ES2132244T3 (es) * 1992-08-10 1999-08-16 Dow Deutschland Inc Procedimiento para detectar ensuciamiento de un compresor axial.
ES2132243T3 (es) * 1992-08-10 1999-08-16 Dow Deutschland Inc Procedimiento y dispositivo para vigilar y controlar un compresor.
US5438275A (en) * 1994-01-03 1995-08-01 International Business Machines Corporation Digitizing stylus having capacitive pressure and contact sensing capabilities
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
DE19920990C2 (de) * 1999-05-06 2002-02-14 Siemens Ag Druckerfassungs-Anordnung
US20110301569A1 (en) 2001-01-20 2011-12-08 Gordon Wayne Dyer Methods and apparatus for the CVCS
US6516672B2 (en) 2001-05-21 2003-02-11 Rosemount Inc. Sigma-delta analog to digital converter for capacitive pressure sensor and process transmitter
JP2003168707A (ja) * 2001-11-30 2003-06-13 Tokyo Electron Ltd プローブ装置
US6828802B2 (en) * 2002-08-16 2004-12-07 Rosemount Inc. Pressure measurement device including a capacitive sensor in an amplifier feedback path
KR20060037861A (ko) * 2004-10-28 2006-05-03 삼성에스디아이 주식회사 데이터 구동부, 평판 표시장치 및 데이터 변환 방법
US8245562B2 (en) * 2009-07-31 2012-08-21 Freescale Semiconductor, Inc. Circuit and method for pressure sensor testing
CN102645336B (zh) * 2012-05-10 2014-06-04 华北电力大学 汽轮发电机组汽流激振故障实时辨识方法
CN102692303B (zh) * 2012-05-17 2014-07-02 华北电力大学 汽轮发电机组汽流激振故障高效识别方法
US11906380B2 (en) * 2019-05-15 2024-02-20 Sumitomo (Shi) Cryogenics Of America, Inc. Bridge voltage inversion circuit for vacuum gauge and pressure gauge sensor having the voltage inversion circuit
CN114279626A (zh) * 2021-12-06 2022-04-05 北京晨晶精仪电子有限公司 一种基于薄膜电容器的气体真空度检测方法及系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3237178A (en) * 1963-11-01 1966-02-22 Honeywell Inc Control apparatus
US3753373A (en) * 1965-10-22 1973-08-21 Bissett Berman Corp Transducer system
US3750476A (en) * 1967-09-25 1973-08-07 Bissett Berman Corp Pressure transducer
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
US3882488A (en) * 1973-12-26 1975-05-06 Bendix Corp Analog to digital converter system including computer controlled feedback means
US4001813A (en) * 1975-07-02 1977-01-04 The Bendix Corporation Precision capacitance to digital conversion system
US4091683A (en) * 1976-09-27 1978-05-30 Panex, Inc. Single channel electrical comparative measuring system
US4153873A (en) * 1977-10-11 1979-05-08 Rosemount Inc. Transducer for converting a varying analog current signal to a binary digital signal
US4133205A (en) * 1977-11-25 1979-01-09 Rca Corporation Identification of engine cylinder having fault
CA1123225A (en) * 1978-02-15 1982-05-11 Bendix Corporation (The) Compensated capacitive transducer demodulator circuit
US4289035A (en) * 1978-02-15 1981-09-15 The Bendix Corporation Compensated capacitive transducer demodulator circuit
US4165650A (en) * 1978-07-19 1979-08-28 The Bendix Corporation Dual purpose pressure sensor
US4214479A (en) * 1979-05-21 1980-07-29 Simmonds Precision Products, Inc. Capacitive type fuel probe compensation circuit

Also Published As

Publication number Publication date
DE3172204D1 (en) 1985-10-17
CA1160348A (en) 1984-01-10
EP0040996A1 (en) 1981-12-02
EP0040996B1 (en) 1985-09-11
US4322977A (en) 1982-04-06
JPS5720634A (en) 1982-02-03

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