FR2479398A1 - Mecanisme de distributeur hydraulique - Google Patents

Mecanisme de distributeur hydraulique Download PDF

Info

Publication number
FR2479398A1
FR2479398A1 FR8106247A FR8106247A FR2479398A1 FR 2479398 A1 FR2479398 A1 FR 2479398A1 FR 8106247 A FR8106247 A FR 8106247A FR 8106247 A FR8106247 A FR 8106247A FR 2479398 A1 FR2479398 A1 FR 2479398A1
Authority
FR
France
Prior art keywords
chamber
piston
selector
valves
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.)
Granted
Application number
FR8106247A
Other languages
English (en)
French (fr)
Other versions
FR2479398B1 (enExample
Inventor
Norman John Lee
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.)
Matburn Holdings Ltd
Original Assignee
Matburn Holdings 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 Matburn Holdings Ltd filed Critical Matburn Holdings Ltd
Publication of FR2479398A1 publication Critical patent/FR2479398A1/fr
Application granted granted Critical
Publication of FR2479398B1 publication Critical patent/FR2479398B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/02—Adjustable operating tables; Controls therefor
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87233—Biased exhaust valve
    • Y10T137/87241—Biased closed

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Valve Device For Special Equipments (AREA)
  • Reciprocating Pumps (AREA)
FR8106247A 1980-04-01 1981-03-27 Mecanisme de distributeur hydraulique Granted FR2479398A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8010927 1980-04-01
GB8039450 1980-12-09

Publications (2)

Publication Number Publication Date
FR2479398A1 true FR2479398A1 (fr) 1981-10-02
FR2479398B1 FR2479398B1 (enExample) 1984-04-06

Family

ID=26275054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8106247A Granted FR2479398A1 (fr) 1980-04-01 1981-03-27 Mecanisme de distributeur hydraulique

Country Status (4)

Country Link
US (1) US4408633A (enExample)
AU (1) AU536935B2 (enExample)
DE (1) DE3112912A1 (enExample)
FR (1) FR2479398A1 (enExample)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2451162A (en) * 1943-12-08 1948-10-12 Bendix Westinghouse Automotive Valve mechanism
US2499318A (en) * 1943-09-17 1950-02-28 Jan Jongerius N V Liquid cock or valve
DE2552730B1 (de) * 1975-11-25 1976-11-18 Hemscheidt Maschf Hermann Steuergeraet fuer schreitenden grubenausbau

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB610057A (en) * 1943-09-17 1948-10-11 Jan Jongerius N V Improvements in and relating to liquid cocks or valves
US3002498A (en) * 1960-02-04 1961-10-03 Yale & Towne Mfg Co Selector valve
US4012031A (en) * 1975-03-25 1977-03-15 Affiliated Hospital Products, Inc. Lock valve flow control arrangement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499318A (en) * 1943-09-17 1950-02-28 Jan Jongerius N V Liquid cock or valve
US2451162A (en) * 1943-12-08 1948-10-12 Bendix Westinghouse Automotive Valve mechanism
DE2552730B1 (de) * 1975-11-25 1976-11-18 Hemscheidt Maschf Hermann Steuergeraet fuer schreitenden grubenausbau

Also Published As

Publication number Publication date
US4408633A (en) 1983-10-11
FR2479398B1 (enExample) 1984-04-06
AU536935B2 (en) 1984-05-31
AU6896181A (en) 1981-10-08
DE3112912A1 (de) 1982-03-04

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Legal Events

Date Code Title Description
ST Notification of lapse