CA1023242A - Circuit hydraulique pour le passage des vitesses - Google Patents

Circuit hydraulique pour le passage des vitesses

Info

Publication number
CA1023242A
CA1023242A CA238,990A CA238990A CA1023242A CA 1023242 A CA1023242 A CA 1023242A CA 238990 A CA238990 A CA 238990A CA 1023242 A CA1023242 A CA 1023242A
Authority
CA
Canada
Prior art keywords
shifting
transmission
fluid circuit
fluid
circuit
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
CA238,990A
Other languages
English (en)
Inventor
William W. Blake
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Application granted granted Critical
Publication of CA1023242A publication Critical patent/CA1023242A/fr
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0262Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
    • F16H61/0265Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
    • F16H61/0272Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals characterised by initiating reverse gearshift
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/04Smoothing ratio shift
    • F16H61/06Smoothing ratio shift by controlling rate of change of fluid pressure
    • F16H61/065Smoothing ratio shift by controlling rate of change of fluid pressure using fluid control means
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7781With separate connected fluid reactor surface
    • Y10T137/7793With opening bias [e.g., pressure regulator]
    • Y10T137/7797Bias variable during operation
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86574Supply and exhaust
    • Y10T137/8667Reciprocating valve
    • Y10T137/86694Piston valve
    • Y10T137/86702With internal flow passage

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Control Of Transmission Device (AREA)
CA238,990A 1975-03-24 1975-11-04 Circuit hydraulique pour le passage des vitesses Expired CA1023242A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/561,757 US3998111A (en) 1975-03-24 1975-03-24 Fluid circuit for shifting a transmission

Publications (1)

Publication Number Publication Date
CA1023242A true CA1023242A (fr) 1977-12-27

Family

ID=24243319

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238,990A Expired CA1023242A (fr) 1975-03-24 1975-11-04 Circuit hydraulique pour le passage des vitesses

Country Status (6)

Country Link
US (1) US3998111A (fr)
JP (1) JPS5942177B2 (fr)
BE (1) BE838996A (fr)
CA (1) CA1023242A (fr)
FR (1) FR2305649A1 (fr)
GB (1) GB1476610A (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135610A (en) * 1976-06-07 1979-01-23 International Harvester Company Brake operated transmission clutches with fully-resetting modulator-load-piston
US4216851A (en) * 1976-06-07 1980-08-12 International Harvester Company Transmission clutches with fully-resetting modulator-load-piston
US4093051A (en) * 1976-08-02 1978-06-06 Allis-Chalmers Corporation Hydraulic control system for power shift transmission
US4248330A (en) * 1977-05-18 1981-02-03 Caterpillar Tractor Co. Control system to apply vehicle brakes during a transmission directional shift
DE2843161A1 (de) * 1978-10-04 1980-04-24 Massey Ferguson Hanomag Inc & Fahrantrieb, insbesondere fuer schwere baumaschinen, bagger o.dgl.
US4301713A (en) * 1978-12-07 1981-11-24 Caterpillar Tractor Co. Apparatus for supplying fluid to a plurality of mechanisms
US4296649A (en) * 1979-04-04 1981-10-27 Deere & Company Hydraulically operated transmission control
US4311068A (en) * 1979-05-10 1982-01-19 International Harvester Company Modulated transmission with converter and modulator-load-piston which fully resets and dumps converter
US4387731A (en) * 1979-05-10 1983-06-14 Dresser Industries, Inc. Modulated transmission with modulator-load-piston loading at linear rate after full reset
DE2933075C2 (de) * 1979-08-16 1984-04-19 Zahnraederfabrik Renk Ag, 8900 Augsburg Antriebs- und Bremsanlage von Kraftfahrzeugen
EP0056368B1 (fr) * 1980-06-02 1985-12-27 Caterpillar Tractor Co. Systeme de commande permettant d'actionner de maniere sequentielle des dispositifs d'actionnement a fluide
US4644968A (en) * 1983-08-29 1987-02-24 J. I. Case Company Master clutch pressure and lubrication valve
GB8400698D0 (en) * 1984-01-11 1984-02-15 Automotive Prod Plc Motor vehicle transmission
US4583624A (en) * 1984-12-10 1986-04-22 Caterpillar Tractor Co. Fluid system with selective differential pressure control
US4620560A (en) * 1985-05-06 1986-11-04 Caterpillar Inc. Modulating relief valve with dual functioning load piston
US5111921A (en) * 1990-11-20 1992-05-12 Deere & Company Park brake sensor and transmission override
US6269295B1 (en) 1999-11-30 2001-07-31 Caterpillar Inc. Method and apparatus for transmission control during braking
US6689007B2 (en) * 2002-02-05 2004-02-10 Sonnax Industries, Inc. Manual valve for automatic transmission
US20070246111A1 (en) * 2006-04-19 2007-10-25 Santos Burrola Actuating valve with control port vent to ameliorate supply pressure fluctuation
JP5608599B2 (ja) * 2011-03-30 2014-10-15 アズビル株式会社 パイロットリレー
JP6105759B2 (ja) * 2013-11-20 2017-03-29 ジアンスー ホンリー ハイドローリックス カンパニー リミテッドJiangsu HengLi Hydraulics co.,ltd ピストンポンプのパワー制御装置及びその制御方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2919603A (en) * 1953-06-15 1960-01-05 William T Livermore Fluid pressure control system for automatic transmissions
US3091976A (en) * 1959-04-28 1963-06-04 Caterpillar Tractor Co Hydraulic controls for power transmission
US3198027A (en) * 1961-11-06 1965-08-03 Caterpillar Tractor Co Hydraulic transmission control
US3181394A (en) * 1962-03-19 1965-05-04 Caterpillar Tractor Co Hydraulic controls
US3217726A (en) * 1963-02-25 1965-11-16 Caterpillar Tractor Co Transmission control system employing a differential check valve
US3386540A (en) * 1966-01-18 1968-06-04 Caterpillar Tractor Co Transmission and control system therefor
US3444762A (en) * 1966-02-01 1969-05-20 Caterpillar Tractor Co Transmission with selector valves
US3468194A (en) * 1967-05-10 1969-09-23 Caterpillar Tractor Co Hydraulic pressure modulating transmission control system
US3583422A (en) * 1967-10-19 1971-06-08 Zahnradfabrik Friedrichshafen Valve construction for controlled pressure buildup in fluid-operated brake or clutch
US3481435A (en) * 1968-06-19 1969-12-02 Caterpillar Tractor Co Transmission shift control
US3625322A (en) * 1968-10-30 1971-12-07 Toyo Kogyo Co Friction coupling controlled by vehicle speed and manifold vacuum
US3596536A (en) * 1969-10-24 1971-08-03 Caterpillar Tractor Co Transmission shift control with conditional automatic neutralizing means
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.
US3729171A (en) * 1971-06-09 1973-04-24 Caterpillar Tractor Co Reversible towing winch and method for operating same

Also Published As

Publication number Publication date
FR2305649A1 (fr) 1976-10-22
JPS51111563A (en) 1976-10-01
BE838996A (nl) 1976-08-27
GB1476610A (en) 1977-06-16
US3998111A (en) 1976-12-21
FR2305649B1 (fr) 1981-04-30
JPS5942177B2 (ja) 1984-10-13

Similar Documents

Publication Publication Date Title
CA1023242A (fr) Circuit hydraulique pour le passage des vitesses
AU501000B2 (en) Transmission
JPS51127967A (en) Fiveespeeddoverrdrive transmission gear
JPS51127968A (en) Fiveespeed automatic transmission gear
CA1028220A (fr) Circuit fluidique simplifie pour le passage des vitesses
AU506807B2 (en) Gearshift detent device
AU500904B2 (en) Transmission shift lever assembly
CA1031981A (fr) Inhibiteur de retrogradation des vitesses
JPS5279171A (en) Transmission gear
AU508569B2 (en) Phase shift circuit
AU497905B2 (en) Gear shifting device
ZA777430B (en) Fluid transmission circuit
DE3069672D1 (en) A shift circuit
CA1029639A (fr) Commande de passage des vitesses
JPS51150680A (en) Gassinsulated transmission lines
JPS5248765A (en) Transmission gear
AU509501B2 (en) A circuit arrangement
JPS51146657A (en) Synchronizer for transmission
CA1025238A (fr) Transmission multivitesses a pignons en prise constante
AU515735B2 (en) Gear-change transmission
CA1033969A (fr) Boite de vitesses multiplages a passage direct
JPS51133662A (en) Transmission gear
JPS5329639A (en) Transmission circuit
JPS5322225A (en) Automatic transmission shifting mechanism
AU1289976A (en) Synchronizer for gear transmission mechanism