ES8500666A1 - Sistema de control para un convertidor electroneumatico - Google Patents

Sistema de control para un convertidor electroneumatico

Info

Publication number
ES8500666A1
ES8500666A1 ES529911A ES529911A ES8500666A1 ES 8500666 A1 ES8500666 A1 ES 8500666A1 ES 529911 A ES529911 A ES 529911A ES 529911 A ES529911 A ES 529911A ES 8500666 A1 ES8500666 A1 ES 8500666A1
Authority
ES
Spain
Prior art keywords
electro
pneumatic control
control systems
closed loop
loop control
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
ES529911A
Other languages
English (en)
Other versions
ES529911A0 (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.)
Babcock and Wilcox Co
Original Assignee
Babcock and Wilcox Co
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 Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Publication of ES8500666A1 publication Critical patent/ES8500666A1/es
Publication of ES529911A0 publication Critical patent/ES529911A0/es
Granted 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
    • 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
    • G05D16/202—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 actuated by an electric motor
    • 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
    • Y10T137/2409—With counter-balancing pressure feedback to the modulating device
    • 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)
  • Control Of Position Or Direction (AREA)
  • Servomotors (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Feedback Control In General (AREA)
  • Control Of Fluid Pressure (AREA)

Abstract

SISTEMA DE CONTROL PARA CONVERTIDORES ELECTRONEUMATICOS QUE UTILIZAN UN SUMINISTRO DE POTENCIA PROVISTO DE DOS FUENTES DE TENSION POSITIVA CON REFERENCIA COMUN.CONSTA DE UN CONJUNTO SERVOMECANICO QUE PROPORCIONA UNA SALIDA NEUMATICA VARIABLE EN RESPUESTA A UNA RESTRICCION VARIABLE MOVIBLE; DE MEDIOS MOTRICES PARA MOVER LA RESTRICCION VARIABLE Y VARIAR LA SALIDA NEUMATICA DEL MISMO; DE MEDIOS PARA ACCIONAR DICHOS MEDIOS MOTRICES EN RESPUESTA A UNA SEN/AL DE CONTROL; Y DE MEDIOS DE COMBINACION PARA COMPARAR LA SEN/AL DE VALOR DE REFERENCIA CON UNA SEN/AL DE REALIMENTACION Y ESTABLECER UNA SEN/AL DE CONTROL A DICHOS MEDIOS DE ACCIONAMIENTO.
ES529911A 1983-02-22 1984-02-10 Sistema de control para un convertidor electroneumatico Granted ES529911A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/468,105 US4509547A (en) 1983-02-22 1983-02-22 Control system for an electro-pneumatic converter

Publications (2)

Publication Number Publication Date
ES8500666A1 true ES8500666A1 (es) 1984-11-01
ES529911A0 ES529911A0 (es) 1984-11-01

Family

ID=23858446

Family Applications (1)

Application Number Title Priority Date Filing Date
ES529911A Granted ES529911A0 (es) 1983-02-22 1984-02-10 Sistema de control para un convertidor electroneumatico

Country Status (13)

Country Link
US (1) US4509547A (es)
EP (1) EP0120593B1 (es)
JP (2) JPS59158404A (es)
KR (1) KR890000611B1 (es)
AU (1) AU565737B2 (es)
BR (1) BR8400580A (es)
CA (1) CA1210477A (es)
DE (1) DE3477854D1 (es)
ES (1) ES529911A0 (es)
HK (1) HK68789A (es)
IN (1) IN161518B (es)
MX (1) MX157424A (es)
SG (1) SG38989G (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630631A (en) * 1983-02-24 1986-12-23 The Babcock & Wilcox Company Pneumatic servo assembly for an electro-pneumatic converter
US4705067A (en) * 1986-05-13 1987-11-10 Coffee Curtis L Electric-to-pressure transducer
JPH0778691B2 (ja) * 1986-08-18 1995-08-23 日本ベ−レ−株式会社 パルスポジシヨナ
GB8811123D0 (en) * 1988-05-11 1988-06-15 Watson Smith Ltd Pressure regulator
GB9105341D0 (en) * 1991-03-13 1991-04-24 Watson Smith Ltd I/p converters
US5457435A (en) * 1994-03-25 1995-10-10 Caterpillar Inc. Pulse width modulated driver
US5642271A (en) * 1995-08-31 1997-06-24 Hewlett-Packard Company Pneumatic control system
JP5740952B2 (ja) * 2010-11-04 2015-07-01 宇部興産株式会社 分離膜モジュール

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE532990A (es) * 1953-11-02 1900-01-01
US2863287A (en) * 1956-11-09 1958-12-09 Research Corp Vacuum control system
US3113582A (en) * 1961-01-11 1963-12-10 Fluidgenics Pressure control system
US3315250A (en) * 1963-03-29 1967-04-18 Honeywell Inc Electrical apparatus
DE6927354U (de) * 1968-07-10 1972-08-10 Diesel Kiki Co Vorrichtung zum umwandeln elektrischer signale in fluddrucksignale.
US3819960A (en) * 1972-05-01 1974-06-25 Love Controls Corp Controller circuit
JPS5519266B2 (es) * 1973-03-03 1980-05-24
US4124811A (en) * 1977-09-12 1978-11-07 Sperry Rand Corporation Circuit for bi-directionally powering a motor
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

Also Published As

Publication number Publication date
EP0120593A2 (en) 1984-10-03
JPS59158404A (ja) 1984-09-07
AU2478984A (en) 1984-08-30
HK68789A (en) 1989-09-01
KR890000611B1 (ko) 1989-03-21
EP0120593B1 (en) 1989-04-19
CA1210477A (en) 1986-08-26
EP0120593A3 (en) 1985-07-10
KR840009006A (ko) 1984-12-20
ES529911A0 (es) 1984-11-01
BR8400580A (pt) 1984-09-25
SG38989G (en) 1990-01-26
MX157424A (es) 1988-11-22
JPH04114612U (ja) 1992-10-09
AU565737B2 (en) 1987-09-24
IN161518B (es) 1987-12-19
DE3477854D1 (en) 1989-05-24
US4509547A (en) 1985-04-09

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001