CA976452A - Valve - Google Patents

Valve

Info

Publication number
CA976452A
CA976452A CA122,472A CA122472A CA976452A CA 976452 A CA976452 A CA 976452A CA 122472 A CA122472 A CA 122472A CA 976452 A CA976452 A CA 976452A
Authority
CA
Canada
Prior art keywords
valve
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
CA122,472A
Other versions
CA122472S (en
Inventor
Marvin H. Greenwood
Walter W. Powell
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.)
Anderson Greenwood and Co
Original Assignee
Anderson Greenwood and 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 Anderson Greenwood and Co filed Critical Anderson Greenwood and Co
Application granted granted Critical
Publication of CA976452A publication Critical patent/CA976452A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Details Of Valves (AREA)
CA122,472A 1971-02-08 1971-09-09 Valve Expired CA976452A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11330371A 1971-02-08 1971-02-08

Publications (1)

Publication Number Publication Date
CA976452A true CA976452A (en) 1975-10-21

Family

ID=22348686

Family Applications (1)

Application Number Title Priority Date Filing Date
CA122,472A Expired CA976452A (en) 1971-02-08 1971-09-09 Valve

Country Status (3)

Country Link
CA (1) CA976452A (en)
DE (1) DE2201817C2 (en)
GB (1) GB1356668A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107143679A (en) * 2017-05-15 2017-09-08 永嘉县信诚科技服务有限公司 Diaphragm-type safety valve

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8913541D0 (en) * 1989-06-10 1989-08-02 Lucas Ind Plc Improvements in fluid flow valve assemblies
DE19710077A1 (en) * 1997-03-12 1998-09-17 Teg Mbh Seal for rotating water tap

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3414008A (en) * 1966-09-15 1968-12-03 Anderson Greenwood & Co Pressure operated valve
CH478364A (en) * 1968-11-26 1969-09-15 Schneider & Co Ag poetry

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107143679A (en) * 2017-05-15 2017-09-08 永嘉县信诚科技服务有限公司 Diaphragm-type safety valve

Also Published As

Publication number Publication date
GB1356668A (en) 1974-06-12
DE2201817A1 (en) 1972-08-24
DE2201817C2 (en) 1982-06-16

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