GB1389762A - Fluid operated apparatus for use in process instrumentation system - Google Patents

Fluid operated apparatus for use in process instrumentation system

Info

Publication number
GB1389762A
GB1389762A GB239173A GB239173A GB1389762A GB 1389762 A GB1389762 A GB 1389762A GB 239173 A GB239173 A GB 239173A GB 239173 A GB239173 A GB 239173A GB 1389762 A GB1389762 A GB 1389762A
Authority
GB
United Kingdom
Prior art keywords
pressure
flapper
line
restrictor
controller
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
GB239173A
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.)
Schneider Electric Systems USA Inc
Original Assignee
Foxboro 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
Priority claimed from US22293472 external-priority patent/US3812767A/en
Application filed by Foxboro Co filed Critical Foxboro Co
Publication of GB1389762A publication Critical patent/GB1389762A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C3/00—Circuit elements having moving parts
    • F15C3/04—Circuit elements having moving parts using diaphragms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C5/00—Manufacture of fluid circuit elements; Manufacture of assemblages of such elements integrated circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Fluid Pressure (AREA)
  • Feedback Control In General (AREA)
GB239173A 1972-02-02 1973-01-17 Fluid operated apparatus for use in process instrumentation system Expired GB1389762A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22293472 US3812767A (en) 1971-07-19 1972-02-02 Planar pressure-responsive elements

Publications (1)

Publication Number Publication Date
GB1389762A true GB1389762A (en) 1975-04-09

Family

ID=22834327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB239173A Expired GB1389762A (en) 1972-02-02 1973-01-17 Fluid operated apparatus for use in process instrumentation system

Country Status (10)

Country Link
JP (1) JPS572923B2 (enExample)
AR (1) AR198202A1 (enExample)
AU (1) AU476566B2 (enExample)
CA (1) CA981557A (enExample)
DE (1) DE2304956C2 (enExample)
FI (1) FI59466C (enExample)
FR (1) FR2170176B1 (enExample)
GB (1) GB1389762A (enExample)
IT (1) IT977104B (enExample)
NL (1) NL7301389A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5960802U (ja) * 1982-10-09 1984-04-20 エナジーサポート株式会社 受電設備用ケ−ス

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590694A (en) * 1968-11-01 1971-07-06 Foxboro Co Pressure device having layered construction and pivoting seal with operator
US3593734A (en) * 1969-10-30 1971-07-20 Foxboro Co Pressure-responsive element
CH539210A (de) * 1970-05-26 1973-07-15 Ondrej Brychta Und Christopher Logische Fluidikschaltung

Also Published As

Publication number Publication date
JPS572923B2 (enExample) 1982-01-19
AU476566B2 (en) 1976-09-30
JPS4887290A (enExample) 1973-11-16
DE2304956A1 (de) 1973-08-09
IT977104B (it) 1974-09-10
FR2170176B1 (enExample) 1977-08-26
FI59466B (fi) 1981-04-30
AR198202A1 (es) 1974-06-07
FR2170176A1 (enExample) 1973-09-14
AU5123673A (en) 1974-07-18
FI59466C (fi) 1981-08-10
DE2304956C2 (de) 1983-11-03
NL7301389A (enExample) 1973-08-06
CA981557A (en) 1976-01-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee