GB1336162A - Fluid pressure actuator - Google Patents

Fluid pressure actuator

Info

Publication number
GB1336162A
GB1336162A GB1336162DA GB1336162A GB 1336162 A GB1336162 A GB 1336162A GB 1336162D A GB1336162D A GB 1336162DA GB 1336162 A GB1336162 A GB 1336162A
Authority
GB
United Kingdom
Prior art keywords
moulding
fluid
actuator
pressure
fluid pressure
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
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.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal 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 Westinghouse Brake and Signal Co Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Publication of GB1336162A publication Critical patent/GB1336162A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1447—Pistons; Piston to piston rod assemblies

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Braking Arrangements (AREA)

Abstract

1336162 Fluid-pressure actuators WESTINGHOUSE BRAKE & SIGNAL CO Ltd 19 April 1971 [1 April 1970] 15548/70 Heading F1D A fluid-pressure actuator comprises a first plastics moulding 20 slidingly and sealingly engaged within a second plastics moulding 10 which has a relief device 11 in the form of a widening at its mouth. Fluid enters the chamber formed by the moulding 10, 20 through a conduit 24 in moulding 20 and when the actuator is almost fully extended the fluid is vented through relief 11. Conduit 24 has a restriction 25 which ensures that the fluid-pressure does not blow moulding 10 off the moulding 20 before the venting takes effect to stop extension of the actuator.
GB1336162D 1971-04-19 1971-04-19 Fluid pressure actuator Expired GB1336162A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1554870 1971-04-19

Publications (1)

Publication Number Publication Date
GB1336162A true GB1336162A (en) 1973-11-07

Family

ID=10061105

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1336162D Expired GB1336162A (en) 1971-04-19 1971-04-19 Fluid pressure actuator

Country Status (1)

Country Link
GB (1) GB1336162A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2828344A1 (en) * 1978-06-28 1980-01-10 Festo Maschf Stoll G Single-acting pressure operated servo motor - has elliptical cylinder and piston enclosing springs with opposed helices
GB2280713A (en) * 1993-08-04 1995-02-08 Richard Gardiner A pneumatic ejector
US5546839A (en) * 1993-08-04 1996-08-20 Gardiner; Richard Pneumatic ejector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2828344A1 (en) * 1978-06-28 1980-01-10 Festo Maschf Stoll G Single-acting pressure operated servo motor - has elliptical cylinder and piston enclosing springs with opposed helices
GB2280713A (en) * 1993-08-04 1995-02-08 Richard Gardiner A pneumatic ejector
US5546839A (en) * 1993-08-04 1996-08-20 Gardiner; Richard Pneumatic ejector

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee