CA1190103A - Pneumatic controller - Google Patents

Pneumatic controller

Info

Publication number
CA1190103A
CA1190103A CA000413599A CA413599A CA1190103A CA 1190103 A CA1190103 A CA 1190103A CA 000413599 A CA000413599 A CA 000413599A CA 413599 A CA413599 A CA 413599A CA 1190103 A CA1190103 A CA 1190103A
Authority
CA
Canada
Prior art keywords
set point
flapper
lever
nozzle
axis
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
CA000413599A
Other languages
English (en)
French (fr)
Inventor
David E. Wiklund
Gerald F. Varnum
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.)
Fisher Controls International LLC
Original Assignee
Fisher Controls International LLC
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 Fisher Controls International LLC filed Critical Fisher Controls International LLC
Application granted granted Critical
Publication of CA1190103A publication Critical patent/CA1190103A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00Automatic controllers
    • G05B11/44Automatic controllers pneumatic only
    • G05B11/48Automatic controllers pneumatic only with auxiliary power
    • G05B11/50Automatic controllers pneumatic only with auxiliary power in which the output signal represents a continuous function of the deviation from the desired value, i.e. continuous controllers
    • 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
    • Y10T137/2278Pressure modulating relays or followers
    • Y10T137/2409With counter-balancing pressure feedback to the modulating device
    • Y10T137/2452With counter-counter balancing pressure feedback

Landscapes

  • Physics & Mathematics (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)
CA000413599A 1981-10-19 1982-10-18 Pneumatic controller Expired CA1190103A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/312,930 US4453559A (en) 1981-10-19 1981-10-19 Pneumatic controller
US312,930 1981-10-19

Publications (1)

Publication Number Publication Date
CA1190103A true CA1190103A (en) 1985-07-09

Family

ID=23213638

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000413599A Expired CA1190103A (en) 1981-10-19 1982-10-18 Pneumatic controller

Country Status (12)

Country Link
US (1) US4453559A (enExample)
EP (1) EP0077765B1 (enExample)
JP (1) JPS5877901A (enExample)
AU (1) AU552133B2 (enExample)
CA (1) CA1190103A (enExample)
DE (1) DE3277333D1 (enExample)
ES (1) ES516530A0 (enExample)
FI (1) FI73530C (enExample)
IL (1) IL67015A0 (enExample)
IN (1) IN156250B (enExample)
MX (1) MX155821A (enExample)
ZA (1) ZA827615B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5439021A (en) * 1992-09-09 1995-08-08 Fisher Controls International, Inc. Electro-pneumatic converter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR834663A (fr) * 1937-08-06 1938-11-29 Procédé et appareil de régulation de la température en fonction du temps ou d'une courbe de variations préalablement déterminée
US2776670A (en) * 1951-09-29 1957-01-08 Fisher Governor Co Pressure fluid operated balanced control system
FR1071770A (fr) * 1951-09-29 1954-09-06 Fisher Governor Co Ltd Dispositif de réglage équilibré à fluide sous pression
US3047002A (en) * 1956-12-05 1962-07-31 Taylor Instrument Co Controller
US3095003A (en) * 1960-07-15 1963-06-25 Bristol Company Measuring and control apparatus
US3354895A (en) * 1965-12-14 1967-11-28 Fischer & Porter Co Pneumatic controller
US3515162A (en) * 1968-11-01 1970-06-02 Foxboro Co Tilt-ring pneumatic control device
US3572360A (en) * 1969-07-25 1971-03-23 Fisher Governor Co Pneumatic controller
JPS5210987A (en) * 1975-07-16 1977-01-27 Fuji Die Kk Electrodeposition chain saw

Also Published As

Publication number Publication date
AU8945182A (en) 1983-04-28
FI823557A0 (fi) 1982-10-18
EP0077765B1 (en) 1987-09-16
JPH0351922B2 (enExample) 1991-08-08
FI73530B (fi) 1987-06-30
FI823557L (fi) 1983-04-20
ES8308100A1 (es) 1983-08-01
IL67015A0 (en) 1983-02-23
US4453559A (en) 1984-06-12
ES516530A0 (es) 1983-08-01
EP0077765A1 (en) 1983-04-27
AU552133B2 (en) 1986-05-22
ZA827615B (en) 1984-03-28
IN156250B (enExample) 1985-06-08
JPS5877901A (ja) 1983-05-11
DE3277333D1 (en) 1987-10-22
MX155821A (es) 1988-05-09
FI73530C (fi) 1987-10-09

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry
MKEX Expiry

Effective date: 20021018