JPS554969B2 - - Google Patents

Info

Publication number
JPS554969B2
JPS554969B2 JP14279674A JP14279674A JPS554969B2 JP S554969 B2 JPS554969 B2 JP S554969B2 JP 14279674 A JP14279674 A JP 14279674A JP 14279674 A JP14279674 A JP 14279674A JP S554969 B2 JPS554969 B2 JP S554969B2
Authority
JP
Japan
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
JP14279674A
Other languages
Japanese (ja)
Other versions
JPS5167861A (en]
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 filed Critical
Priority to JP14279674A priority Critical patent/JPS554969B2/ja
Priority to US05/636,871 priority patent/US4086994A/en
Publication of JPS5167861A publication Critical patent/JPS5167861A/ja
Publication of JPS554969B2 publication Critical patent/JPS554969B2/ja
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
    • F16D48/02—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
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • F16D25/14—Fluid pressure 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
    • F16D48/04—Control by fluid pressure providing power assistance
    • 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
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7797—Bias variable during operation
    • Y10T137/7798—Ancillary reactor surface responds to inlet pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Control Of Transmission Device (AREA)
JP14279674A 1974-12-11 1974-12-11 Expired JPS554969B2 (en])

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP14279674A JPS554969B2 (en]) 1974-12-11 1974-12-11
US05/636,871 US4086994A (en) 1974-12-11 1975-12-02 Fluid pressure modulating apparatus for a fluidically actuated frictional engaging apparatus in a vehicle transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14279674A JPS554969B2 (en]) 1974-12-11 1974-12-11

Publications (2)

Publication Number Publication Date
JPS5167861A JPS5167861A (en]) 1976-06-11
JPS554969B2 true JPS554969B2 (en]) 1980-02-02

Family

ID=15323806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14279674A Expired JPS554969B2 (en]) 1974-12-11 1974-12-11

Country Status (2)

Country Link
US (1) US4086994A (en])
JP (1) JPS554969B2 (en])

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4265346A (en) * 1979-01-04 1981-05-05 Ford Motor Company Control valve mechanism for hydraulic clutch in a power transmission mechanism
US4484672A (en) * 1980-07-28 1984-11-27 Fuji Jukogyo Kabushiki Kaisha System for controlling an electro-magnetic clutch for automobiles
DE3032558C2 (de) * 1980-08-29 1987-01-02 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Logistische Meßeinrichtung für Kupplungen oder Bremsen
JPS5760917A (en) * 1980-09-30 1982-04-13 Fuji Heavy Ind Ltd Controller in electromagnetic clutch for vehicle
JPS5794163A (en) * 1980-11-29 1982-06-11 Honda Motor Co Ltd Operation controller for fluid torque convertor of vehicle
DD154346A1 (de) * 1980-12-18 1982-03-17 Wieland Petter Steuerung fuer reibungskupplung und-bremse an umformmaschinen und scheren
US4411345A (en) * 1981-01-23 1983-10-25 Deere & Company Clutch modulating system
DE3131420A1 (de) * 1981-08-07 1983-02-24 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen "vorrichtung in einem fluidgesteuerten system zur raschen betaetigung eines zylinders"
EP0114817B1 (en) * 1982-08-04 1987-12-09 Ford Motor Company Solenoid operated clutch engagement
JPS59155649A (ja) * 1983-02-21 1984-09-04 Nissan Motor Co Ltd 自動変速機の油圧制御装置
JPS60146953A (ja) * 1983-12-30 1985-08-02 Isuzu Motors Ltd 自動車用自動変速装置のギヤシフト制御方法
DE3505987A1 (de) * 1985-02-21 1986-08-28 Zahnräderfabrik Renk AG, 8900 Augsburg Schiffsantrieb mit mindestens einer schaltbaren reibkupplung
DE3611256C2 (de) * 1985-04-06 1994-08-25 Nissan Motor Vorrichtung zum Regeln der Anfahrkupplung eines automatischen Getriebes
FR2581058B1 (fr) * 1985-04-24 1995-07-07 Valeo Procede de manoeuvre automatique d'une butee de debrayage en fonction des vitesses des arbres accouples par un embrayage associe
DE3532473A1 (de) * 1985-09-11 1987-03-19 Rexroth Mannesmann Gmbh Hydraulische lastgetriebesteuerung fuer die vorwaerts-rueckwaerts-schaltung
US4676348A (en) * 1986-03-06 1987-06-30 Caterpillar Inc. Fluid pressure control system having a timed pressure cutback device
US4676349A (en) * 1986-03-06 1987-06-30 Caterpillar Inc. Fluid pressure control system having a pressure cutback device
US4657042A (en) * 1986-04-07 1987-04-14 Snap-Tite, Inc. Pressure modulation device for hydraulic systems
EP0308509B1 (en) * 1987-03-25 1993-09-15 Kabushiki Kaisha Komatsu Seisakusho Hydraulic clutch pressure control apparatus
US4871048A (en) * 1987-09-21 1989-10-03 Dresser Industries, Inc. Control system for vehicle transmissions
CA1307132C (en) * 1988-03-03 1992-09-08 Takashi Aoki Apparatus for and method of controlling hydraulic clutch operation in an automatic transmission
JPH0337472A (ja) * 1989-06-30 1991-02-18 Mazda Motor Corp 自動変速機のライン圧制御装置
US5058460A (en) * 1990-01-11 1991-10-22 General Motors Corporation Clutch-to-clutch control in an automatic transmission
US5101943A (en) * 1990-11-30 1992-04-07 Ford New Holland, Inc. Method of controlling inching clutches
US5186066A (en) * 1992-01-23 1993-02-16 Eaton Corporation Dual pressure pressure regulator
DE19813982C2 (de) * 1998-03-28 2002-06-20 Bosch Gmbh Robert Kupplungssteuerung
JP2001050314A (ja) * 1999-07-21 2001-02-23 Luk Lamellen & Kupplungsbau Gmbh クラッチ
US6540054B1 (en) * 2000-10-18 2003-04-01 The Minster Machine Company Method for increasing viable wear life of clutch brake friction materials
JP2003083428A (ja) * 2001-09-10 2003-03-19 Komatsu Ltd クラッチ又はブレーキの流体圧力制御弁装置
ITPD20020251A1 (it) * 2002-10-01 2004-04-02 Zahnradfabrik Friedrichshafen Dispositivo per l'ottimizzazione dell'innesto di
GB2447507A (en) * 2007-03-16 2008-09-17 Cnh Belgium Nv A method of engaging a clutch in an agricultural machine
DE102007017177A1 (de) * 2007-04-12 2008-10-16 Zf Friedrichshafen Ag Hydraulische Steuerungseinrichtung für Lastschaltgetriebe mit einer Vorrichtung zur Verkürzung der Schaltzeiten
JP6522991B2 (ja) * 2015-03-02 2019-05-29 株式会社日立ニコトランスミッション クラッチ油圧制御回路
DE102018212766B4 (de) * 2018-07-31 2020-10-15 Zf Friedrichshafen Ag Hydraulische Steuereinrichtung und Schiffsgetriebe
CH717932A1 (de) * 2020-10-06 2022-04-14 Liebherr Machines Bulle Sa Hydraulische Ventileinheit, Leistungs- und/oder Drehmomentregelungssystem und Axialkolbenmaschine mit einer solchen.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3389770A (en) * 1966-02-01 1968-06-25 Caterpillar Tractor Co Transmission hydraulic control
US3583422A (en) * 1967-10-19 1971-06-08 Zahnradfabrik Friedrichshafen Valve construction for controlled pressure buildup in fluid-operated brake or clutch
US3618424A (en) * 1969-09-02 1971-11-09 Caterpillar Tractor Co Transmission control system
US3674121A (en) * 1970-09-21 1972-07-04 Gen Motors Corp Engagement control of friction drives
US3809201A (en) * 1970-10-30 1974-05-07 Kobe Steel Ltd Modulating valve for vehicle transmission systems
BE789030A (fr) * 1971-03-08 1973-01-15 Caterpillar Tractor Co Système hydraulique compact pour faire passer une transmission d'un état à un autre.
US3722646A (en) * 1971-03-12 1973-03-27 Honda Motor Co Ltd Apparatus for controlling the pressure of a fluid fed to a clutch of a transmission
JPS5328584B2 (en]) * 1971-08-13 1978-08-15
US3820417A (en) * 1972-08-10 1974-06-28 Caterpillar Tractor Co Controls for sequentially engaging transmission torque convertor lockup and master clutches
US3896705A (en) * 1974-01-21 1975-07-29 Clark Equipment Co Pressure feedback system

Also Published As

Publication number Publication date
JPS5167861A (en]) 1976-06-11
US4086994A (en) 1978-05-02

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