ES8506962A1 - Sistema de transductores electroneumaticos - Google Patents

Sistema de transductores electroneumaticos

Info

Publication number
ES8506962A1
ES8506962A1 ES534145A ES534145A ES8506962A1 ES 8506962 A1 ES8506962 A1 ES 8506962A1 ES 534145 A ES534145 A ES 534145A ES 534145 A ES534145 A ES 534145A ES 8506962 A1 ES8506962 A1 ES 8506962A1
Authority
ES
Spain
Prior art keywords
circuit
transducer system
electropneumatic transducer
bridge
electropneumatic
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
ES534145A
Other languages
English (en)
Other versions
ES534145A0 (es
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.)
Edison International Inc
Original Assignee
Edison International Inc
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 Edison International Inc filed Critical Edison International Inc
Publication of ES534145A0 publication Critical patent/ES534145A0/es
Publication of ES8506962A1 publication Critical patent/ES8506962A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2268—Arrangements for correcting or for compensating unwanted effects
    • G01L1/2281—Arrangements for correcting or for compensating unwanted effects for temperature variations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2278—Pressure modulating relays or followers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7761—Electrically actuated valve

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Control Of Fluid Pressure (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

SISTEMA DE TRANSDUCTORES ELECTROMAGNETICOS.COMPRENDE UNA CAMARA (44) CON GAS PRESURIZADO, UNA TOBERA DE DESCARGA Y UN CONDUCTO (66) DE SALIDA, ASI COMO UN SISTEMA DE CONTROL QUE CONSTA DE UN COMPARADOR, SEN/ALES DE REFERENCIA DE LA PRESION A MANTENER, UN DISPOSITIVO ELECTRONEUMATICO QUE DEFINE UN PUENTE DE PIEZORESISTORES, CHAPALETA DE TOBERA SENSIBLE A LA TENSION, UN AMPLIFICADOR, UN DISPOSITIVO GENERADOR DE CORRIENTE CONSTANTE, UNA ALIMENTACION O SUMINISTRO DE VOLTAJE Y UN CIRCUITO DIVISOR DE TENSION.
ES534145A 1983-07-12 1984-07-10 Sistema de transductores electroneumaticos Expired ES8506962A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/513,162 US4527583A (en) 1983-07-12 1983-07-12 Electropneumatic transducer system

Publications (2)

Publication Number Publication Date
ES534145A0 ES534145A0 (es) 1985-08-01
ES8506962A1 true ES8506962A1 (es) 1985-08-01

Family

ID=24042113

Family Applications (1)

Application Number Title Priority Date Filing Date
ES534145A Expired ES8506962A1 (es) 1983-07-12 1984-07-10 Sistema de transductores electroneumaticos

Country Status (11)

Country Link
US (1) US4527583A (es)
JP (1) JPS6048516A (es)
AU (1) AU564128B2 (es)
CA (1) CA1213337A (es)
DE (1) DE3425684A1 (es)
ES (1) ES8506962A1 (es)
FR (1) FR2549164B1 (es)
GB (1) GB2143974B (es)
IN (1) IN161898B (es)
IT (1) IT1212102B (es)
MX (1) MX155572A (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6280301A (ja) * 1985-10-03 1987-04-13 Yamatake Honeywell Co Ltd 電気−空気圧変換器
FR2594541A1 (fr) * 1986-02-14 1987-08-21 Air Liquide Procede de controle du debit d'un fluide dans une vanne et appareil pour la mise en oeuvre de ce procede
US4901758A (en) * 1986-06-27 1990-02-20 Cook Daniel E Device for the remote control of pneumatically operated mechanisms, which has fast, high resolution response over a broad range of pressures and which is insensitive to position or vibration
US4665938A (en) * 1986-09-30 1987-05-19 Rosemount Inc. Frequency feedback on a current loop of a current-to-pressure converter
US4836011A (en) * 1987-11-12 1989-06-06 Fisher Controls International, Inc. Zero and span adjustment circuit for current/pressure transducer
US4926896A (en) * 1988-12-23 1990-05-22 Dresser Industries, Inc. Sensitive electrical to mechanical transducer
US5257639A (en) * 1988-12-23 1993-11-02 Dresser Industries, Inc. Electropneumatic positioner
US5207737A (en) * 1992-02-27 1993-05-04 Landis & Gyr Powers, Inc. Analog output electro-pneumatic transducer
US5460202A (en) * 1993-11-22 1995-10-24 Landis & Gyr Powers, Inc. Three-way piezoelectric valve
US5499647A (en) * 1995-01-12 1996-03-19 Mac Valves, Inc. Method and valve assembly for controlling a pilot signal
US5526838A (en) * 1995-01-12 1996-06-18 Mac Valves, Inc. Method and valve assembly for controlling a pilot signal
US5610552A (en) * 1995-07-28 1997-03-11 Rosemount, Inc. Isolation circuitry for transmitter electronics in process control system
GB9523963D0 (en) * 1995-11-23 1996-01-24 City Tech Electrochemical gas sensor
US6422532B1 (en) 2000-03-01 2002-07-23 Invensys Systems, Inc. Severe service valve positioner
US6549138B2 (en) * 2000-09-20 2003-04-15 Texas Instruments Incorporated Method and apparatus for providing detection of excessive negative offset of a sensor
US7100455B2 (en) * 2004-08-27 2006-09-05 Dresser-Nagano, Inc. System and method for pressure measurement
EP2833231B1 (en) * 2013-07-29 2017-10-04 Honeywell Technologies Sarl Gas burner having a servo gas system with a hydraulic Wheatstone-bridge controlling an electric fuel supply valve, and method of operating such a gas burner
WO2020084420A1 (en) * 2018-10-22 2020-04-30 Cochlear Limited Linear transducer in a flapping and bending apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3714540A (en) * 1970-11-10 1973-01-30 Oxy Metal Finishing Corp Isolation and transforming circuit
US3882881A (en) * 1973-01-12 1975-05-13 American Chain & Cable Co Pneumatic transmitter of electrical phenomena
US4190796A (en) * 1977-06-02 1980-02-26 Tokyo Shibaura Electric Company, Limited Pressure detecting apparatus having linear output characteristic
US4202218A (en) * 1977-09-28 1980-05-13 International Telephone And Telegraph Corporation Bridge circuit
JPS55113904A (en) * 1979-02-26 1980-09-02 Hitachi Ltd Method of zero point temperature compensation for strain-electric signal transducer
SE420639B (sv) * 1979-03-01 1981-10-19 Saab Scania Ab Signalomvandlare enhet for omvandling av en elektrisk reglersignal till en pneumatisk signal med ett piezoelektrisk element
US4325399A (en) * 1979-11-15 1982-04-20 Rosemount Inc. Current to pressure converter apparatus
US4444056A (en) * 1982-05-05 1984-04-24 Itt Corporation Temperature compensated circuit

Also Published As

Publication number Publication date
DE3425684A1 (de) 1985-02-14
AU564128B2 (en) 1987-07-30
GB2143974A (en) 1985-02-20
JPS6048516A (ja) 1985-03-16
CA1213337A (en) 1986-10-28
FR2549164A1 (fr) 1985-01-18
US4527583A (en) 1985-07-09
ES534145A0 (es) 1985-08-01
IT8421691A0 (it) 1984-06-29
GB2143974B (en) 1986-11-19
AU3052384A (en) 1985-01-17
IT1212102B (it) 1989-11-08
MX155572A (es) 1988-03-28
IN161898B (es) 1988-02-20
GB8417760D0 (en) 1984-08-15
FR2549164B1 (fr) 1990-04-20

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