GB1286123A - Improvements relating to circuits for three term controllers - Google Patents

Improvements relating to circuits for three term controllers

Info

Publication number
GB1286123A
GB1286123A GB4875269A GB4875269A GB1286123A GB 1286123 A GB1286123 A GB 1286123A GB 4875269 A GB4875269 A GB 4875269A GB 4875269 A GB4875269 A GB 4875269A GB 1286123 A GB1286123 A GB 1286123A
Authority
GB
United Kingdom
Prior art keywords
amplifier
restrictors
circuits
oct
improvements relating
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
GB4875269A
Other languages
English (en)
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.)
JC Eckardt AG
Original Assignee
JC Eckardt AG
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 JC Eckardt AG filed Critical JC Eckardt AG
Publication of GB1286123A publication Critical patent/GB1286123A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/44—Automatic controllers pneumatic only
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/44—Automatic controllers pneumatic only
    • G05B11/48—Automatic controllers pneumatic only with auxiliary power
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B6/00—Internal feedback arrangements for obtaining particular characteristics, e.g. proportional, integral or differential
    • G05B6/02—Internal feedback arrangements for obtaining particular characteristics, e.g. proportional, integral or differential electric
    • 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
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/212—System comprising plural fluidic devices or stages
    • Y10T137/2125—Plural power inputs [e.g., parallel inputs]
    • Y10T137/2131—Variable or different-value power inputs
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Feedback Control In General (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Measuring Fluid Pressure (AREA)
  • Control Of Fluid Pressure (AREA)
GB4875269A 1968-10-04 1969-10-03 Improvements relating to circuits for three term controllers Expired GB1286123A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681801240 DE1801240C3 (de) 1968-10-04 1968-10-04 Reglerschaltung

Publications (1)

Publication Number Publication Date
GB1286123A true GB1286123A (en) 1972-08-23

Family

ID=5709669

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4875269A Expired GB1286123A (en) 1968-10-04 1969-10-03 Improvements relating to circuits for three term controllers

Country Status (4)

Country Link
US (1) US3621860A (enExample)
DE (1) DE1801240C3 (enExample)
FR (1) FR2019905A1 (enExample)
GB (1) GB1286123A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2040166C2 (de) * 1970-08-13 1982-08-19 Eckardt Ag, 7000 Stuttgart Pneumatische Verstärkeranordnung
US3721894A (en) * 1972-05-15 1973-03-20 R Beckwith Regulator control
DE2743928C2 (de) * 1977-09-29 1982-05-06 Siemens AG, 1000 Berlin und 8000 München Regleranordnung
DE3019360C2 (de) * 1980-05-21 1984-11-22 Eckardt Ag, 7000 Stuttgart Schaltung für pneumatischen Regler
DE3825058A1 (de) * 1988-07-23 1990-01-25 Telefunken Electronic Gmbh Regelschaltung

Also Published As

Publication number Publication date
DE1801240C3 (de) 1971-05-06
DE1801240B2 (enExample) 1970-09-17
FR2019905A1 (enExample) 1970-07-10
DE1801240A1 (de) 1970-04-16
US3621860A (en) 1971-11-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee