DE69115629D1 - Hydraulikkreis zur Betätigung von Lastschaltkupplungen für Zugmaschinengetriebe - Google Patents

Hydraulikkreis zur Betätigung von Lastschaltkupplungen für Zugmaschinengetriebe

Info

Publication number
DE69115629D1
DE69115629D1 DE69115629T DE69115629T DE69115629D1 DE 69115629 D1 DE69115629 D1 DE 69115629D1 DE 69115629 T DE69115629 T DE 69115629T DE 69115629 T DE69115629 T DE 69115629T DE 69115629 D1 DE69115629 D1 DE 69115629D1
Authority
DE
Germany
Prior art keywords
electronically
controlled
valves
hydraulic circuit
power shift
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 - Fee Related
Application number
DE69115629T
Other languages
English (en)
Other versions
DE69115629T2 (de
Inventor
Andrea Assanelli
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.)
Same Deutz Fahr SpA
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 DE69115629D1 publication Critical patent/DE69115629D1/de
Publication of DE69115629T2 publication Critical patent/DE69115629T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
DE69115629T 1990-10-03 1991-09-25 Hydraulikkreis zur Betätigung von Lastschaltkupplungen für Zugmaschinengetriebe Expired - Fee Related DE69115629T2 (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 (2)

Publication Number Publication Date
DE69115629D1 true DE69115629D1 (de) 1996-02-01
DE69115629T2 DE69115629T2 (de) 1996-08-01

Family

ID=11305052

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69115629T Expired - Fee Related DE69115629T2 (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 (11)

* 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
GB2312258A (en) * 1996-04-19 1997-10-22 Torotrak Dev Ltd CVT control system has regime change clutches controlled independently of variator
US5938557A (en) * 1996-04-19 1999-08-17 Torotrak (Development) Limited CVT Control System
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

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
EP0538243B1 (de) * 1987-06-24 1997-08-20 Kabushiki Kaisha Komatsu Seisakusho Anordnung zur Steuerung eines Getriebes
US4924983A (en) * 1987-12-10 1990-05-15 Kubota, Ltd. Propelling clutch apparatus for a working vehicle
EP0356527B1 (de) * 1988-02-19 1994-06-01 Kabushiki Kaisha Komatsu Seisakusho Kupplungsschaltkreis für stufenlose getriebe
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
EP0479737A1 (de) 1992-04-08
IT1241614B (it) 1994-01-25
EP0479737B1 (de) 1995-12-20
DE69115629T2 (de) 1996-08-01
IT9067756A1 (it) 1992-04-03
IT9067756A0 (it) 1990-10-03
ATE131915T1 (de) 1996-01-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SAME DEUTZ-FAHR S.P.A., TREVIGLIO, BERGAMO, IT

8339 Ceased/non-payment of the annual fee