IN161518B - - Google Patents

Info

Publication number
IN161518B
IN161518B IN126/CAL/84A IN126CA1984A IN161518B IN 161518 B IN161518 B IN 161518B IN 126CA1984 A IN126CA1984 A IN 126CA1984A IN 161518 B IN161518 B IN 161518B
Authority
IN
India
Application number
IN126/CAL/84A
Other languages
English (en)
Inventor
Jane Ellen Smith
Rowland Edger Whitford
Original Assignee
Babcock & 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 & Wilcox Co filed Critical Babcock & Wilcox Co
Publication of IN161518B publication Critical patent/IN161518B/en

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00Control of fluid pressure
    • G05D16/20Control of fluid pressure characterised by the use of electric means
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00Control of fluid pressure
    • G05D16/20Control of fluid pressure characterised by the use of electric means
    • G05D16/2006Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013Control 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
    • G05D16/202Control 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
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2278Pressure modulating relays or followers
    • Y10T137/2409With counter-balancing pressure feedback to the modulating device
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7758Pilot or servo controlled
    • Y10T137/7761Electrically 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 Fluid Pressure (AREA)
  • Control Of Position Or Direction (AREA)
  • Feedback Control In General (AREA)
  • Servomotors (AREA)
  • Fluid-Pressure Circuits (AREA)
IN126/CAL/84A 1983-02-22 1984-02-22 IN161518B (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 (1)

Publication Number Publication Date
IN161518B true IN161518B (es) 1987-12-19

Family

ID=23858446

Family Applications (1)

Application Number Title Priority Date Filing Date
IN126/CAL/84A IN161518B (es) 1983-02-22 1984-02-22

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
DE1935110A1 (de) * 1968-07-10 1970-01-15 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
US4509547A (en) 1985-04-09
EP0120593B1 (en) 1989-04-19
DE3477854D1 (en) 1989-05-24
JPH04114612U (ja) 1992-10-09
ES8500666A1 (es) 1984-11-01
SG38989G (en) 1990-01-26
KR840009006A (ko) 1984-12-20
MX157424A (es) 1988-11-22
CA1210477A (en) 1986-08-26
HK68789A (en) 1989-09-01
EP0120593A3 (en) 1985-07-10
JPS59158404A (ja) 1984-09-07
AU2478984A (en) 1984-08-30
KR890000611B1 (ko) 1989-03-21
ES529911A0 (es) 1984-11-01
AU565737B2 (en) 1987-09-24
BR8400580A (pt) 1984-09-25

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