GB2231643B - Control valve - Google Patents

Control valve

Info

Publication number
GB2231643B
GB2231643B GB9007468A GB9007468A GB2231643B GB 2231643 B GB2231643 B GB 2231643B GB 9007468 A GB9007468 A GB 9007468A GB 9007468 A GB9007468 A GB 9007468A GB 2231643 B GB2231643 B GB 2231643B
Authority
GB
United Kingdom
Prior art keywords
control valve
valve
control
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
GB9007468A
Other versions
GB2231643A (en
GB9007468D0 (en
Inventor
James Kevin Fretwell
Ernest Walter Mabon
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.)
Meggitt France SAS
WILLIAM EAGLES Ltd
Original Assignee
Meggitt France SAS
WILLIAM EAGLES 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 Meggitt France SAS, WILLIAM EAGLES Ltd filed Critical Meggitt France SAS
Publication of GB9007468D0 publication Critical patent/GB9007468D0/en
Publication of GB2231643A publication Critical patent/GB2231643A/en
Application granted granted Critical
Publication of GB2231643B publication Critical patent/GB2231643B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16K39/00—Devices for relieving the pressure on the sealing faces
    • F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
    • F16K39/022—Devices for relieving the pressure on the sealing faces for lift valves using balancing surfaces
    • 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
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/14—Means to prevent accidental or unauthorised actuation interlocking two or more valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)
GB9007468A 1989-05-18 1990-04-03 Control valve Expired - Fee Related GB2231643B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898911436A GB8911436D0 (en) 1989-05-18 1989-05-18 Control valve

Publications (3)

Publication Number Publication Date
GB9007468D0 GB9007468D0 (en) 1990-05-30
GB2231643A GB2231643A (en) 1990-11-21
GB2231643B true GB2231643B (en) 1993-07-07

Family

ID=10656960

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898911436A Pending GB8911436D0 (en) 1989-05-18 1989-05-18 Control valve
GB9007468A Expired - Fee Related GB2231643B (en) 1989-05-18 1990-04-03 Control valve

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898911436A Pending GB8911436D0 (en) 1989-05-18 1989-05-18 Control valve

Country Status (1)

Country Link
GB (2) GB8911436D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4921208A (en) * 1989-09-08 1990-05-01 Automatic Switch Company Proportional flow valve

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB610366A (en) * 1946-04-01 1948-10-14 Cockburns Ltd Improvements in or relating to pressure fluid stop valves
GB683579A (en) * 1950-12-05 1952-12-03 Albert Ernest Jurs Valve for use in conjunction with tank gauging tapes
GB1023879A (en) * 1962-12-18 1966-03-30 Alfa Laval Ab Valve and flow controller provided with said valve
GB1422079A (en) * 1973-08-20 1976-01-21 Rockwell International Corp Bi-directional pressure balanced valve
GB2164423A (en) * 1984-09-11 1986-03-19 Bestobell Control valve
GB2203523A (en) * 1985-02-14 1988-10-19 Bryan Donkin Co Ltd Slam-shut valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB610366A (en) * 1946-04-01 1948-10-14 Cockburns Ltd Improvements in or relating to pressure fluid stop valves
GB683579A (en) * 1950-12-05 1952-12-03 Albert Ernest Jurs Valve for use in conjunction with tank gauging tapes
GB1023879A (en) * 1962-12-18 1966-03-30 Alfa Laval Ab Valve and flow controller provided with said valve
GB1422079A (en) * 1973-08-20 1976-01-21 Rockwell International Corp Bi-directional pressure balanced valve
GB2164423A (en) * 1984-09-11 1986-03-19 Bestobell Control valve
GB2203523A (en) * 1985-02-14 1988-10-19 Bryan Donkin Co Ltd Slam-shut valve

Also Published As

Publication number Publication date
GB2231643A (en) 1990-11-21
GB8911436D0 (en) 1989-07-05
GB9007468D0 (en) 1990-05-30

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Legal Events

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

Effective date: 19960403