GB2253681B - Gas valves - Google Patents

Gas valves

Info

Publication number
GB2253681B
GB2253681B GB9204783A GB9204783A GB2253681B GB 2253681 B GB2253681 B GB 2253681B GB 9204783 A GB9204783 A GB 9204783A GB 9204783 A GB9204783 A GB 9204783A GB 2253681 B GB2253681 B GB 2253681B
Authority
GB
United Kingdom
Prior art keywords
gas valves
valves
gas
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 - Fee Related
Application number
GB9204783A
Other versions
GB9204783D0 (en
GB2253681A (en
Inventor
Alan George Hargreaves
Lawrence David Houston Wright
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.)
International Gas Apparatus Ltd
Original Assignee
International Gas Apparatus Ltd
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 International Gas Apparatus Ltd filed Critical International Gas Apparatus Ltd
Publication of GB9204783D0 publication Critical patent/GB9204783D0/en
Publication of GB2253681A publication Critical patent/GB2253681A/en
Application granted granted Critical
Publication of GB2253681B publication Critical patent/GB2253681B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/14—Control of fluid pressure with auxiliary non-electric power
    • G05D16/18—Control of fluid pressure with auxiliary non-electric power derived from an external source
    • G05D16/185—Control of fluid pressure with auxiliary non-electric power derived from an external source using membranes within the main valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Safety Valves (AREA)
GB9204783A 1991-03-09 1992-03-05 Gas valves Expired - Fee Related GB2253681B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919105020A GB9105020D0 (en) 1991-03-09 1991-03-09 Gas valve

Publications (3)

Publication Number Publication Date
GB9204783D0 GB9204783D0 (en) 1992-04-15
GB2253681A GB2253681A (en) 1992-09-16
GB2253681B true GB2253681B (en) 1994-06-22

Family

ID=10691294

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919105020A Pending GB9105020D0 (en) 1991-03-09 1991-03-09 Gas valve
GB9204783A Expired - Fee Related GB2253681B (en) 1991-03-09 1992-03-05 Gas valves

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919105020A Pending GB9105020D0 (en) 1991-03-09 1991-03-09 Gas valve

Country Status (1)

Country Link
GB (2) GB9105020D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2258768B (en) * 1991-08-02 1995-11-08 Marshall C & C Ltd Electrical connector for use with busbar-in-trunking system and electrical distribution system
DE10337689B4 (en) * 2003-08-16 2005-10-13 Dieter Schulz Constant pressure valve, method for shutting off a volume flow through such a constant pressure valve and use of a constant pressure valve

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3926204A (en) * 1974-05-17 1975-12-16 Fairchild Industries Pressure regulator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3926204A (en) * 1974-05-17 1975-12-16 Fairchild Industries Pressure regulator

Also Published As

Publication number Publication date
GB9204783D0 (en) 1992-04-15
GB2253681A (en) 1992-09-16
GB9105020D0 (en) 1991-04-24

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Legal Events

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

Effective date: 19970305