GB2216625B - Fail-safe release actuator mechanism - Google Patents

Fail-safe release actuator mechanism

Info

Publication number
GB2216625B
GB2216625B GB8904521A GB8904521A GB2216625B GB 2216625 B GB2216625 B GB 2216625B GB 8904521 A GB8904521 A GB 8904521A GB 8904521 A GB8904521 A GB 8904521A GB 2216625 B GB2216625 B GB 2216625B
Authority
GB
United Kingdom
Prior art keywords
fail
actuator mechanism
release actuator
safe release
safe
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
GB8904521A
Other versions
GB2216625A (en
GB8904521D0 (en
Inventor
Hans Paul Hopper
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.)
BP PLC
Original Assignee
BP PLC
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 GB888805744A external-priority patent/GB8805744D0/en
Application filed by BP PLC filed Critical BP PLC
Priority to GB8904521A priority Critical patent/GB2216625B/en
Publication of GB8904521D0 publication Critical patent/GB8904521D0/en
Publication of GB2216625A publication Critical patent/GB2216625A/en
Application granted granted Critical
Publication of GB2216625B publication Critical patent/GB2216625B/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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • 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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • 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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/2075—Coaxial drive motors
    • 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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/2087—Arrangements for driving the actuator using planetary gears
GB8904521A 1988-03-10 1989-02-28 Fail-safe release actuator mechanism Expired - Fee Related GB2216625B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8904521A GB2216625B (en) 1988-03-10 1989-02-28 Fail-safe release actuator mechanism

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888805744A GB8805744D0 (en) 1988-03-10 1988-03-10 Mechanical fail-safe release actuator system
GB8904521A GB2216625B (en) 1988-03-10 1989-02-28 Fail-safe release actuator mechanism

Publications (3)

Publication Number Publication Date
GB8904521D0 GB8904521D0 (en) 1989-04-12
GB2216625A GB2216625A (en) 1989-10-11
GB2216625B true GB2216625B (en) 1992-02-05

Family

ID=26293611

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8904521A Expired - Fee Related GB2216625B (en) 1988-03-10 1989-02-28 Fail-safe release actuator mechanism

Country Status (1)

Country Link
GB (1) GB2216625B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2240376B (en) * 1989-10-11 1993-08-04 British Petroleum Co Plc Down hole electrically operated safety valve
US5070944A (en) * 1989-10-11 1991-12-10 British Petroleum Company P.L.C. Down hole electrically operated safety valve
EP1333207B1 (en) 2002-02-01 2005-08-03 Vetco Gray Controls Limited Linear actuators
GB2482181B (en) * 2010-07-23 2015-07-29 Peter Robert Goodall Preventing and ameliorating leakage from a subsea well in the event of failure
GB2596530B (en) * 2020-06-29 2022-12-07 Aker Solutions As Subsea control, actuator and associated methods

Also Published As

Publication number Publication date
GB2216625A (en) 1989-10-11
GB8904521D0 (en) 1989-04-12

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980228