GB2117484B - Valve actuating gearing - Google Patents

Valve actuating gearing

Info

Publication number
GB2117484B
GB2117484B GB8206811A GB8206811A GB2117484B GB 2117484 B GB2117484 B GB 2117484B GB 8206811 A GB8206811 A GB 8206811A GB 8206811 A GB8206811 A GB 8206811A GB 2117484 B GB2117484 B GB 2117484B
Authority
GB
United Kingdom
Prior art keywords
worm gear
wheel gear
gear
valves
teeth
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
GB8206811A
Other versions
GB2117484A (en
Inventor
William Gregory Jenkins
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.)
Richardsons Westgarth and Co Ltd
Original Assignee
Richardsons Westgarth and Co 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 Richardsons Westgarth and Co Ltd filed Critical Richardsons Westgarth and Co Ltd
Priority to GB8206811A priority Critical patent/GB2117484B/en
Priority to EP19830900943 priority patent/EP0102997A1/en
Priority to PCT/GB1983/000071 priority patent/WO1983003126A1/en
Publication of GB2117484A publication Critical patent/GB2117484A/en
Application granted granted Critical
Publication of GB2117484B publication Critical patent/GB2117484B/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
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • 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
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Gear Transmission (AREA)

Abstract

Apparatus for actuating rotary devices such as valves, particularly where a plurality of such valves are located along a pipeline or conduit. According to the invention, apparatus for operating such a device has a main spindle (4) coupled to the device and rotatably mounted in a housing (40). A wheel gear (8) mounted on the spindle(4) has teeth along its periphery and a worm gear (14) meshes therewith. Rotation of the worm gear (14) either manually or from a power source, operates the device. The teeth on the wheel gear (8) are preferably inclined, and the plane of the wheel gear (8) made adjustable with respect to the axis of the worm gear (14) such that the degree of meshing engagement therebetween can be adjusted during the operating life of the apparatus. It is also preferred that the apparatus be made declutchable where a power operated actuator (42) is also installed on the device. This can be achieved by mounting the worm gear (14) on a pivotal support member (22) which enables it to be switched into and out of engagement with the wheel gear (8). In this way a selectively engageable override system can be provided.
GB8206811A 1982-03-09 1982-03-09 Valve actuating gearing Expired GB2117484B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8206811A GB2117484B (en) 1982-03-09 1982-03-09 Valve actuating gearing
EP19830900943 EP0102997A1 (en) 1982-03-09 1983-03-09 Gearbox for valve actuator
PCT/GB1983/000071 WO1983003126A1 (en) 1982-03-09 1983-03-09 Gearbox for valve actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8206811A GB2117484B (en) 1982-03-09 1982-03-09 Valve actuating gearing

Publications (2)

Publication Number Publication Date
GB2117484A GB2117484A (en) 1983-10-12
GB2117484B true GB2117484B (en) 1986-03-12

Family

ID=10528872

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8206811A Expired GB2117484B (en) 1982-03-09 1982-03-09 Valve actuating gearing

Country Status (3)

Country Link
EP (1) EP0102997A1 (en)
GB (1) GB2117484B (en)
WO (1) WO1983003126A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2282654B (en) * 1993-10-05 1997-06-04 Opperman Mastergear Ltd Improved worm gearbox
US5477752A (en) * 1994-03-07 1995-12-26 Dyna-Torque Company, Inc. Valve actuator declutch mechanism
JP4311818B2 (en) * 1999-06-08 2009-08-12 株式会社デルタツーリング Reclining adjuster backlash reduction structure
DE10107601B4 (en) * 2001-02-17 2006-01-12 Bühler Motor GmbH worm component

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB344156A (en) * 1930-01-29 1931-03-05 Ernest Joseph Perry Improvements in or relating to apparatus for operating phonographic or other sound records in synchronized association with a kinematographic or like projector
GB525786A (en) * 1939-03-01 1940-09-04 John Henry Hindle Improvements in screw presses
GB688559A (en) * 1950-08-23 1953-03-11 Cav Ltd Electric motor-driven worm gearing
GB853055A (en) * 1956-12-10 1960-11-02 Grimston Electric Tools Ltd Improved means for engaging and disengaging the drive in a gear train
GB951149A (en) * 1961-11-06 1964-03-04 Drayton Controls Ltd A push and pull actuating mechanism which has two independent driving inputs
GB1207921A (en) * 1969-03-04 1970-10-07 Prec Electronic Components Ltd Variable resistor
DE2133237A1 (en) * 1971-07-03 1973-01-11 Limitorque Gmbh PROVIDED FOR OPERATING SLIDERS, VALVES OR THE LIKE
FR2210264A5 (en) * 1972-12-08 1974-07-05 Lucien Bernard
DE2310200C2 (en) * 1973-03-01 1982-03-25 Elektro-Mechanik Gmbh, 5963 Wenden Actuator, for valves, gate valves, locks and gates
DE2727293A1 (en) * 1977-06-16 1978-12-21 Siemens Ag Servo drive with motor and worm transmission - has worm shaft travelling 3 per cent of total adjustment path to reach closed position

Also Published As

Publication number Publication date
GB2117484A (en) 1983-10-12
EP0102997A1 (en) 1984-03-21
WO1983003126A1 (en) 1983-09-15

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950309