DE3373140D1 - Pressure transducer with an invariable reference capacitor - Google Patents

Pressure transducer with an invariable reference capacitor

Info

Publication number
DE3373140D1
DE3373140D1 DE8383401005T DE3373140T DE3373140D1 DE 3373140 D1 DE3373140 D1 DE 3373140D1 DE 8383401005 T DE8383401005 T DE 8383401005T DE 3373140 T DE3373140 T DE 3373140T DE 3373140 D1 DE3373140 D1 DE 3373140D1
Authority
DE
Germany
Prior art keywords
pressure transducer
reference capacitor
invariable reference
invariable
capacitor
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
Application number
DE8383401005T
Other languages
English (en)
Inventor
Frank Joseph Antonazzi
David Henry Ohnesorge
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Allied Corp
Original Assignee
Allied 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 Allied Corp filed Critical Allied Corp
Application granted granted Critical
Publication of DE3373140D1 publication Critical patent/DE3373140D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
    • 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
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • G01L9/0075—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a ceramic diaphragm, e.g. alumina, fused quartz, glass
    • 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)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
DE8383401005T 1982-05-21 1983-05-20 Pressure transducer with an invariable reference capacitor Expired DE3373140D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/380,647 US4422125A (en) 1982-05-21 1982-05-21 Pressure transducer with an invariable reference capacitor

Publications (1)

Publication Number Publication Date
DE3373140D1 true DE3373140D1 (en) 1987-09-24

Family

ID=23501972

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383401005T Expired DE3373140D1 (en) 1982-05-21 1983-05-20 Pressure transducer with an invariable reference capacitor

Country Status (5)

Country Link
US (1) US4422125A (de)
EP (1) EP0095966B1 (de)
JP (1) JPS58211617A (de)
CA (1) CA1190406A (de)
DE (1) DE3373140D1 (de)

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SE461300B (sv) * 1988-05-17 1990-01-29 Hydrolab Ab Tryckmaetare
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US4974117A (en) * 1990-01-31 1990-11-27 Kavlico Corporation Dual diaphragm capacitive differential pressure transducer
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DE4011901A1 (de) * 1990-04-12 1991-10-17 Vdo Schindling Kapazitiver drucksensor
ES2132243T3 (es) * 1992-08-10 1999-08-16 Dow Deutschland Inc Procedimiento y dispositivo para vigilar y controlar un compresor.
EP0654162B1 (de) * 1992-08-10 1999-06-16 Dow Deutschland Inc. Vorrichtung zur verkrustungsdetektion eines axialverdichters.
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.
CA2142189A1 (en) * 1992-08-10 1994-02-17 Hilger A. Walter Adaptor for mounting a pressure sensor to a gas turbine housing
US5637802A (en) * 1995-02-28 1997-06-10 Rosemount Inc. Capacitive pressure sensor for a pressure transmitted where electric field emanates substantially from back sides of plates
US6484585B1 (en) 1995-02-28 2002-11-26 Rosemount Inc. Pressure sensor for a pressure transmitter
US5757608A (en) * 1996-01-25 1998-05-26 Alliedsignal Inc. Compensated pressure transducer
US5965821A (en) * 1997-07-03 1999-10-12 Mks Instruments, Inc. Pressure sensor
US20040099061A1 (en) 1997-12-22 2004-05-27 Mks Instruments Pressure sensor for detecting small pressure differences and low pressures
US6295875B1 (en) 1999-05-14 2001-10-02 Rosemount Inc. Process pressure measurement devices with improved error compensation
US6520020B1 (en) 2000-01-06 2003-02-18 Rosemount Inc. Method and apparatus for a direct bonded isolated pressure sensor
US6561038B2 (en) 2000-01-06 2003-05-13 Rosemount Inc. Sensor with fluid isolation barrier
US6508129B1 (en) 2000-01-06 2003-01-21 Rosemount Inc. Pressure sensor capsule with improved isolation
US6516671B2 (en) 2000-01-06 2003-02-11 Rosemount Inc. Grain growth of electrical interconnection for microelectromechanical systems (MEMS)
US6505516B1 (en) 2000-01-06 2003-01-14 Rosemount Inc. Capacitive pressure sensing with moving dielectric
US6605195B2 (en) 2000-04-14 2003-08-12 Seagate Technology Llc Multi-layer deposition process using four ring sputter sources
US6516672B2 (en) 2001-05-21 2003-02-11 Rosemount Inc. Sigma-delta analog to digital converter for capacitive pressure sensor and process transmitter
US6536287B2 (en) 2001-08-16 2003-03-25 Honeywell International, Inc. Simplified capacitance pressure sensor
US6839546B2 (en) 2002-04-22 2005-01-04 Rosemount Inc. Process transmitter with wireless communication link
US6848316B2 (en) 2002-05-08 2005-02-01 Rosemount Inc. Pressure sensor assembly
WO2004016168A1 (en) * 2002-08-19 2004-02-26 Czarnek & Orkin Laboratories, Inc. Capacitive uterine contraction sensor
US6993973B2 (en) 2003-05-16 2006-02-07 Mks Instruments, Inc. Contaminant deposition control baffle for a capacitive pressure transducer
US8145180B2 (en) 2004-05-21 2012-03-27 Rosemount Inc. Power generation for process devices
US8160535B2 (en) 2004-06-28 2012-04-17 Rosemount Inc. RF adapter for field device
US7262693B2 (en) 2004-06-28 2007-08-28 Rosemount Inc. Process field device with radio frequency communication
US7201057B2 (en) 2004-09-30 2007-04-10 Mks Instruments, Inc. High-temperature reduced size manometer
US7137301B2 (en) 2004-10-07 2006-11-21 Mks Instruments, Inc. Method and apparatus for forming a reference pressure within a chamber of a capacitance sensor
US7141447B2 (en) 2004-10-07 2006-11-28 Mks Instruments, Inc. Method of forming a seal between a housing and a diaphragm of a capacitance sensor
US7680460B2 (en) 2005-01-03 2010-03-16 Rosemount Inc. Wireless process field device diagnostics
US7204150B2 (en) 2005-01-14 2007-04-17 Mks Instruments, Inc. Turbo sump for use with capacitive pressure sensor
US7334484B2 (en) * 2005-05-27 2008-02-26 Rosemount Inc. Line pressure measurement using differential pressure sensor
CN101171555B (zh) 2005-06-27 2012-07-11 罗斯蒙德公司 具有可动态调整功耗的射频通信的现场设备
US7379792B2 (en) * 2005-09-29 2008-05-27 Rosemount Inc. Pressure transmitter with acoustic pressure sensor
US7415886B2 (en) * 2005-12-20 2008-08-26 Rosemount Inc. Pressure sensor with deflectable diaphragm
US7308830B2 (en) * 2006-01-26 2007-12-18 Rosemount Inc. Pressure sensor fault detection
US8898036B2 (en) 2007-08-06 2014-11-25 Rosemount Inc. Process variable transmitter with acceleration sensor
US7484416B1 (en) 2007-10-15 2009-02-03 Rosemount Inc. Process control transmitter with vibration sensor
JP5554328B2 (ja) 2008-06-17 2014-07-23 ローズマウント インコーポレイテッド 本質安全の低電圧クランプ回路を備えるフィールド装置用ｒｆアダプタ
US8929948B2 (en) 2008-06-17 2015-01-06 Rosemount Inc. Wireless communication adapter for field devices
US8694060B2 (en) 2008-06-17 2014-04-08 Rosemount Inc. Form factor and electromagnetic interference protection for process device wireless adapters
CA2726601C (en) 2008-06-17 2016-08-09 Rosemount Inc. Rf adapter for field device with variable voltage drop
CA2726534C (en) 2008-06-17 2016-03-22 Rosemount Inc. Rf adapter for field device with loop current bypass
US7870791B2 (en) * 2008-12-03 2011-01-18 Rosemount Inc. Method and apparatus for pressure measurement using quartz crystal
US8327713B2 (en) 2008-12-03 2012-12-11 Rosemount Inc. Method and apparatus for pressure measurement using magnetic property
US7954383B2 (en) 2008-12-03 2011-06-07 Rosemount Inc. Method and apparatus for pressure measurement using fill tube
US8626087B2 (en) 2009-06-16 2014-01-07 Rosemount Inc. Wire harness for field devices used in a hazardous locations
US9674976B2 (en) 2009-06-16 2017-06-06 Rosemount Inc. Wireless process communication adapter with improved encapsulation
US8429978B2 (en) 2010-03-30 2013-04-30 Rosemount Inc. Resonant frequency based pressure sensor
US8234927B2 (en) 2010-06-08 2012-08-07 Rosemount Inc. Differential pressure sensor with line pressure measurement
US8132464B2 (en) 2010-07-12 2012-03-13 Rosemount Inc. Differential pressure transmitter with complimentary dual absolute pressure sensors
US10761524B2 (en) 2010-08-12 2020-09-01 Rosemount Inc. Wireless adapter with process diagnostics
US9310794B2 (en) 2011-10-27 2016-04-12 Rosemount Inc. Power supply for industrial process field device
US8752433B2 (en) 2012-06-19 2014-06-17 Rosemount Inc. Differential pressure transmitter with pressure sensor
US9249008B2 (en) 2012-12-20 2016-02-02 Industrial Technology Research Institute MEMS device with multiple electrodes and fabricating method thereof
US9048901B2 (en) 2013-03-15 2015-06-02 Rosemount Inc. Wireless interface within transmitter
US9628104B2 (en) * 2015-03-13 2017-04-18 Rosemount Inc. High resolution sigma delta modulator for capacitance sensor terminal displacement measurement
KR102622726B1 (ko) * 2019-05-15 2024-01-08 스미토모 크라이어제닉스 오브 아메리카 인코포레이티드 진공 게이지를 위한 브리지 전압 반전 회로 및 전압 반전 회로를 갖는 압력 게이지 센서

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US3858097A (en) * 1973-12-26 1974-12-31 Bendix Corp Pressure-sensing capacitor
US4064550A (en) * 1976-03-22 1977-12-20 Hewlett-Packard Company High fidelity pressure transducer
JPS5329174A (en) * 1976-08-30 1978-03-18 Hewlett Packard Yokogawa Device for detecting variation of capacitance
US4380041A (en) * 1978-09-25 1983-04-12 Motorola Inc. Capacitor pressure transducer with housing
US4274125A (en) * 1979-01-23 1981-06-16 The Bendix Corporation Temperature compensated capacitance pressure transducer
JPS55159110A (en) * 1979-05-30 1980-12-11 Yokogawa Hokushin Electric Corp Capacity type displacement converter
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
US4434664A (en) * 1981-07-06 1984-03-06 The Bendix Corporation Pressure ratio measurement system

Also Published As

Publication number Publication date
CA1190406A (en) 1985-07-16
US4422125A (en) 1983-12-20
EP0095966B1 (de) 1987-08-19
EP0095966A1 (de) 1983-12-07
JPS58211617A (ja) 1983-12-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee