GB1355364A - Fluid pressure-operated piston/cylinder units - Google Patents

Fluid pressure-operated piston/cylinder units

Info

Publication number
GB1355364A
GB1355364A GB2790671A GB1355364DA GB1355364A GB 1355364 A GB1355364 A GB 1355364A GB 2790671 A GB2790671 A GB 2790671A GB 1355364D A GB1355364D A GB 1355364DA GB 1355364 A GB1355364 A GB 1355364A
Authority
GB
United Kingdom
Prior art keywords
cylinder
fluid pressure
pressure
cylinder units
operated piston
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
GB2790671A
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.)
LIVINGSTON DOUGHTY Ltd
Original Assignee
LIVINGSTON DOUGHTY 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 LIVINGSTON DOUGHTY Ltd filed Critical LIVINGSTON DOUGHTY Ltd
Publication of GB1355364A publication Critical patent/GB1355364A/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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/10—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor in which the servomotor position is a function of the pressure also pressure regulators as operating means for such systems, the device itself may be a position indicating system
    • 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
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
  • Actuator (AREA)

Abstract

1355364 Fluid pressure actuators LIVINGSTON & DOUGHTY Ltd 5 June 1972 [15 June 1971] 27906/71 Heading F1D An adjustable stop for a piston 5 in a cylinder 4 comprises an auxiliary piston 15 which is caused to protrude into the cylinder 4 by pre-selected amounts by applying fluid pressure through a connection 14. Pressure is transmitted by a sealing cup 19. A spring 17 returns the auxiliary piston 15 until a shoulder 16 abuts a flange in the cylinder. A seal 18 prevents leakage from the main cylinder 4. Pressure is supplied by a master-cylinder M through a pressure control V calibrated in terms of stroke length. (For Figure see next page)
GB2790671A 1971-06-15 1971-06-15 Fluid pressure-operated piston/cylinder units Expired GB1355364A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2790671 1971-06-15

Publications (1)

Publication Number Publication Date
GB1355364A true GB1355364A (en) 1974-06-05

Family

ID=10267209

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2790671A Expired GB1355364A (en) 1971-06-15 1971-06-15 Fluid pressure-operated piston/cylinder units

Country Status (2)

Country Link
US (1) US3793925A (en)
GB (1) GB1355364A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3141349A1 (en) * 1981-10-17 1983-05-05 Paul Forkardt GmbH & Co KG, 4000 Düsseldorf CIRCULATING PRESSURE CYLINDER
GB2291475A (en) * 1994-07-20 1996-01-24 Edward Fullerton Pneumatic Hydraulic Cylinders

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983760A (en) * 1975-05-12 1976-10-05 The Bendix Corporation Control apparatus having overtravel means
DE2911443C2 (en) * 1979-03-23 1981-03-12 Bodenseewerk Perkin-Elmer & Co GmbH, 7770 Überlingen Pressure medium operated pump with variable delivery volume
IT1236898B (en) * 1989-12-20 1993-04-26 Tetra Dev Co DEVICE IN A PUMP UNIT
DE102011109512A1 (en) * 2011-08-05 2013-02-07 Andreas Stihl Ag & Co. Kg Knife arrangement of a hedge trimmer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2244562A (en) * 1940-07-29 1941-06-03 Hydraulic Brake Co Fluid pressure producing device
US2358826A (en) * 1941-05-19 1944-09-26 Progressive Welder Company Welding mechanism
US2430597A (en) * 1944-04-13 1947-11-11 Int Harvester Co Implement adjusting mechanism
US2551246A (en) * 1946-01-30 1951-05-01 Bendix Aviat Corp Fluid motor
NL87887C (en) * 1948-07-31
US2831464A (en) * 1954-02-19 1958-04-22 Gen Motors Corp Fluid pressure motor
US2957454A (en) * 1958-10-13 1960-10-25 Kelsey Hayes Co Booster brake mechanism
US3149537A (en) * 1961-01-19 1964-09-22 D J Campbell Co Inc Fluid control mechanism
US3514950A (en) * 1968-04-16 1970-06-02 Wes H Davenport Hydraulic system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3141349A1 (en) * 1981-10-17 1983-05-05 Paul Forkardt GmbH & Co KG, 4000 Düsseldorf CIRCULATING PRESSURE CYLINDER
GB2291475A (en) * 1994-07-20 1996-01-24 Edward Fullerton Pneumatic Hydraulic Cylinders

Also Published As

Publication number Publication date
US3793925A (en) 1974-02-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees