IT1212102B - Sistema trasduttore elettropneumatico. - Google Patents

Sistema trasduttore elettropneumatico.

Info

Publication number
IT1212102B
IT1212102B IT8421691A IT2169184A IT1212102B IT 1212102 B IT1212102 B IT 1212102B IT 8421691 A IT8421691 A IT 8421691A IT 2169184 A IT2169184 A IT 2169184A IT 1212102 B IT1212102 B IT 1212102B
Authority
IT
Italy
Prior art keywords
transducer system
electropneumatic transducer
electropneumatic
transducer
Prior art date
Application number
IT8421691A
Other languages
English (en)
Other versions
IT8421691A0 (it
Inventor
Donald Chester Simpson
Original Assignee
Edison Int 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 Int Inc filed Critical Edison Int Inc
Publication of IT8421691A0 publication Critical patent/IT8421691A0/it
Application granted granted Critical
Publication of IT1212102B publication Critical patent/IT1212102B/it

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)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (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)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Control Of Fluid Pressure (AREA)
IT8421691A 1983-07-12 1984-06-29 Sistema trasduttore elettropneumatico. IT1212102B (it)

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
IT8421691A0 IT8421691A0 (it) 1984-06-29
IT1212102B true IT1212102B (it) 1989-11-08

Family

ID=24042113

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8421691A IT1212102B (it) 1983-07-12 1984-06-29 Sistema trasduttore elettropneumatico.

Country Status (11)

Country Link
US (1) US4527583A (it)
JP (1) JPS6048516A (it)
AU (1) AU564128B2 (it)
CA (1) CA1213337A (it)
DE (1) DE3425684A1 (it)
ES (1) ES534145A0 (it)
FR (1) FR2549164B1 (it)
GB (1) GB2143974B (it)
IN (1) IN161898B (it)
IT (1) IT1212102B (it)
MX (1) MX155572A (it)

Families Citing this family (17)

* 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
US5257639A (en) * 1988-12-23 1993-11-02 Dresser Industries, Inc. Electropneumatic positioner
US4926896A (en) * 1988-12-23 1990-05-22 Dresser Industries, Inc. Sensitive electrical to mechanical transducer
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
US5526838A (en) * 1995-01-12 1996-06-18 Mac Valves, Inc. Method and valve assembly for controlling a pilot signal
US5499647A (en) * 1995-01-12 1996-03-19 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

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
ES8506962A1 (es) 1985-08-01
ES534145A0 (es) 1985-08-01
MX155572A (es) 1988-03-28
FR2549164B1 (fr) 1990-04-20
AU3052384A (en) 1985-01-17
AU564128B2 (en) 1987-07-30
DE3425684A1 (de) 1985-02-14
IN161898B (it) 1988-02-20
CA1213337A (en) 1986-10-28
GB8417760D0 (en) 1984-08-15
FR2549164A1 (fr) 1985-01-18
US4527583A (en) 1985-07-09
JPS6048516A (ja) 1985-03-16
IT8421691A0 (it) 1984-06-29
GB2143974A (en) 1985-02-20
GB2143974B (en) 1986-11-19

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960722