GB2044893B - Magnetically operated hydraulic control valves - Google Patents

Magnetically operated hydraulic control valves

Info

Publication number
GB2044893B
GB2044893B GB8009160A GB8009160A GB2044893B GB 2044893 B GB2044893 B GB 2044893B GB 8009160 A GB8009160 A GB 8009160A GB 8009160 A GB8009160 A GB 8009160A GB 2044893 B GB2044893 B GB 2044893B
Authority
GB
United Kingdom
Prior art keywords
hydraulic control
control valves
operated hydraulic
magnetically operated
magnetically
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
GB8009160A
Other versions
GB2044893A (en
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.)
Claas KGaA mbH
Original Assignee
Claas KGaA mbH
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 Claas KGaA mbH filed Critical Claas KGaA mbH
Publication of GB2044893A publication Critical patent/GB2044893A/en
Application granted granted Critical
Publication of GB2044893B publication Critical patent/GB2044893B/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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/066—Control of fluid pressure, e.g. using an accumulator
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0209—Control by fluid pressure characterised by fluid valves having control pistons, e.g. spools
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0212—Details of pistons for master or slave cylinders especially adapted for fluid control
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0224—Details of conduits, connectors or the adaptors therefor specially adapted for clutch control
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0227—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices
    • F16D2048/0233—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices by rotary pump actuation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Check Valves (AREA)
  • Fluid-Driven Valves (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
GB8009160A 1979-03-26 1980-03-19 Magnetically operated hydraulic control valves Expired GB2044893B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792911808 DE2911808A1 (en) 1979-03-26 1979-03-26 MAGNETICALLY OPERABLE HYDRAULIC CONTROL VALVE

Publications (2)

Publication Number Publication Date
GB2044893A GB2044893A (en) 1980-10-22
GB2044893B true GB2044893B (en) 1982-11-24

Family

ID=6066434

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8009160A Expired GB2044893B (en) 1979-03-26 1980-03-19 Magnetically operated hydraulic control valves

Country Status (3)

Country Link
DE (1) DE2911808A1 (en)
FR (1) FR2452619A1 (en)
GB (1) GB2044893B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0136267B1 (en) * 1983-06-21 1987-09-30 FIAT AUTO S.p.A. System for controlling the operation of the propelling apparatus in a motor vehicle
FR3068427B1 (en) * 2017-06-30 2020-01-03 Valeo Embrayages SERVO CONTROL FOR CLUTCH MECHANISM

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE929952C (en) * 1953-02-14 1955-07-07 Toussaint & Hess Gmbh Control device for a hydraulic working piston which can be acted upon on one side
DE1132801B (en) * 1956-03-02 1962-07-05 Jean Louis Gratzmuller Hydraulic system
FR1233544A (en) * 1959-01-28 1960-10-12 Bendix Sa Improvements to hydraulic lifting systems

Also Published As

Publication number Publication date
DE2911808A1 (en) 1980-10-09
DE2911808C2 (en) 1989-08-03
GB2044893A (en) 1980-10-22
FR2452619A1 (en) 1980-10-24
FR2452619B3 (en) 1982-01-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee