ATE131915T1 - Hydraulikkreis zur betätigung von lastschaltkupplungen für zugmaschinengetriebe - Google Patents

Hydraulikkreis zur betätigung von lastschaltkupplungen für zugmaschinengetriebe

Info

Publication number
ATE131915T1
ATE131915T1 AT91830399T AT91830399T ATE131915T1 AT E131915 T1 ATE131915 T1 AT E131915T1 AT 91830399 T AT91830399 T AT 91830399T AT 91830399 T AT91830399 T AT 91830399T AT E131915 T1 ATE131915 T1 AT E131915T1
Authority
AT
Austria
Prior art keywords
electronically
controlled
valves
hydraulic circuit
actuating
Prior art date
Application number
AT91830399T
Other languages
English (en)
Inventor
Andrea Assanelli
Original Assignee
Same Spa
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 Same Spa filed Critical Same Spa
Application granted granted Critical
Publication of ATE131915T1 publication Critical patent/ATE131915T1/de

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
    • F16H—GEARING
    • F16H61/00—Control 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
    • F16H61/04—Smoothing ratio shift
    • F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
    • F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means
    • 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
    • F16D48/0206—Control by fluid pressure in a system with a plurality of fluid-actuated clutches
    • 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
    • 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
    • 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
    • F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
    • F16D2048/0275—Two valves arranged in parallel, e.g. one for coarse and the other for fine control during supplying or draining fluid from the actuation cylinder
    • 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
    • F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
    • F16D2048/0281—Complex circuits with more than two valves in series or special arrangements thereof not provided for in previous groups
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/11—Application
    • F16D2500/1107—Vehicles
    • F16D2500/111—Agricultural
    • 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
    • F16H—GEARING
    • F16H61/00—Control 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
    • F16H61/02—Control 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
    • F16H61/0202—Control 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 electric
    • F16H61/0251—Elements specially adapted for electric control units, e.g. valves for converting electrical signals to fluid signals
    • F16H2061/0258—Proportional solenoid valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Gear-Shifting Mechanisms (AREA)
AT91830399T 1990-10-03 1991-09-25 Hydraulikkreis zur betätigung von lastschaltkupplungen für zugmaschinengetriebe ATE131915T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67756A IT1241614B (it) 1990-10-03 1990-10-03 Circuito idraulico di comando di innesti a frizione in power-shift per cambi di trattori.

Publications (1)

Publication Number Publication Date
ATE131915T1 true ATE131915T1 (de) 1996-01-15

Family

ID=11305052

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91830399T ATE131915T1 (de) 1990-10-03 1991-09-25 Hydraulikkreis zur betätigung von lastschaltkupplungen für zugmaschinengetriebe

Country Status (4)

Country Link
EP (1) EP0479737B1 (de)
AT (1) ATE131915T1 (de)
DE (1) DE69115629T2 (de)
IT (1) IT1241614B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4117736C1 (de) * 1991-05-30 1992-05-21 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
DE19546292A1 (de) * 1995-12-12 1997-06-19 Zahnradfabrik Friedrichshafen Verfahren zur automatisierten Abstimmung des Befüllvorganges von Schaltelementen
US5938557A (en) * 1996-04-19 1999-08-17 Torotrak (Development) Limited CVT Control System
GB2312258A (en) * 1996-04-19 1997-10-22 Torotrak Dev Ltd CVT control system has regime change clutches controlled independently of variator
FR2762880A1 (fr) * 1997-04-30 1998-11-06 Hydrokit Valve de commande automatique de l'embrayage d'un vehicule dans le domaine agricole ou des travaux publics
FR2769677B1 (fr) * 1997-10-10 1999-12-03 Renault Procede et dispositif de controle de l'alimentation des recepteurs hydrauliques d'une transmission automatique
DE19908602A1 (de) * 1999-02-27 2000-09-14 Getrag Getriebe Zahnrad Automatisierter Antriebsstrang für ein Kraftfahrzeug und Verfahren zum Steuern eines Antriebsstranges
JP2001213201A (ja) 1999-12-17 2001-08-07 Getrag Getriebe & Zahnradfab Hermann Hagenmeyer Gmbh & Co 自動車のための自動的な駆動機構列並びに駆動機構列を制御する方法
DE10153722A1 (de) 2001-10-31 2003-05-22 Volkswagen Ag Verfahren zur Schaltsteuerung eines Lastschaltgetriebes
ES2262375B1 (es) * 2003-12-04 2007-12-01 Iberica A.G., S.A. Circuito hidraulico y/o neumatico para el control de par de un embrague proporcional hidraulico y/o neumatico, en especial para un dispositivo de transporte de hojas de material laminar.
CN109058319B (zh) * 2018-09-14 2023-12-22 中国船舶重工集团公司第七0三研究所 阶梯油压调节装置
CN116661344B (zh) * 2023-05-08 2025-12-23 中联农业机械股份有限公司 一种拖拉机自动控制系统及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4653351A (en) * 1986-02-12 1987-03-31 General Motors Corporation Clutch-to-clutch power-on downshifting in a motor vehicle automatic transmission
AU612674B2 (en) * 1987-06-24 1991-07-18 Kabushiki Kaisha Komatsu Seisakusho Transmission controller
US4924983A (en) * 1987-12-10 1990-05-15 Kubota, Ltd. Propelling clutch apparatus for a working vehicle
WO1989007723A1 (fr) * 1988-02-19 1989-08-24 Kabushiki Kaisha Komatsu Seisakusho Circuit de commutation d'embrayage pour transmission non etagee
DE3811615C1 (en) * 1988-04-07 1989-11-30 Hanomag Ag, 3000 Hannover, De Control device for friction clutches, shiftable by hydraulic pressure, of a multigear power-shift transmission for vehicles

Also Published As

Publication number Publication date
EP0479737B1 (de) 1995-12-20
IT1241614B (it) 1994-01-25
EP0479737A1 (de) 1992-04-08
DE69115629T2 (de) 1996-08-01
IT9067756A1 (it) 1992-04-03
IT9067756A0 (it) 1990-10-03
DE69115629D1 (de) 1996-02-01

Similar Documents

Publication Publication Date Title
ATE131915T1 (de) Hydraulikkreis zur betätigung von lastschaltkupplungen für zugmaschinengetriebe
US4719812A (en) Transmission casing including a hydraulic clutch
AU683232B2 (en) Three-position shift actuator
US4290322A (en) Electronic transmission control
EP0828098A3 (de) Anordnung zum Betätigen einer Schaltvorrichtung eines Zahnräderwechselgetriebes und zum Ein- und Ausrücken einer Hauptkupplung
EP0395241A3 (de) Schaltmechanismus mit einer einzigen Schaltstange
US4252148A (en) Hydraulic control for a transmission
EP1251300A3 (de) Hydraulische Steuervorrichtung für ein automatisiertes Handschaltgetriebe
JPS56105146A (en) Directly coupled clutch controller for automatic speed change gear
ITTO921025A1 (it) Dispositivo di controllo per una trasmissione automatizzata di un veicolo industriale
EP0837267A3 (de) Hydraulische Getriebesteuerung für automatische Getriebe in Fahrzeugen
EP1028276A3 (de) Hydraulische Steuerung für ein automatisches Vierganggetriebe
EP0029290B1 (de) Getriebesteuerungen
JPS54155357A (en) Controller for hydraulic transmission of vehicle
CA2342598A1 (en) Shift control device for automatic transmission
US3719093A (en) Lock up clutch control
EP0315596A3 (de) Hydraulikkreis zur Betätigung von Lastschaltreibkupplungen für Zugmaschinengetriebe
EP0802356A3 (de) Elektrohydraulische Einrichtung zum Schalten eines servobetätigten Schaltgetriebes
US6258010B1 (en) Transmission shifting hydraulic control system
DE3463562D1 (en) Transmission control system
IT1291058B1 (it) Dispositivo di controllo per una trasmissione automatizzata di un veicolo industriale.
TW200610666A (en) Transmission
US5042329A (en) Control system for automatic transmission featuring improved downshifting characteristics with overdrive inhibitor
SE9302347D0 (sv) Control means for a hydraulic motor
SU1111894A1 (ru) Распределительное устройство дл управлени коробкой передач транспортного средства

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties