ES2010830A6 - Aparato decontrol hidraulico para una transmision. - Google Patents

Aparato decontrol hidraulico para una transmision.

Info

Publication number
ES2010830A6
ES2010830A6 ES888803081A ES8803081A ES2010830A6 ES 2010830 A6 ES2010830 A6 ES 2010830A6 ES 888803081 A ES888803081 A ES 888803081A ES 8803081 A ES8803081 A ES 8803081A ES 2010830 A6 ES2010830 A6 ES 2010830A6
Authority
ES
Spain
Prior art keywords
current
reduction valve
current level
change speed
speed clutch
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
ES888803081A
Other languages
English (en)
Inventor
Yoshiyuki Katayama
Takeshi Ura
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.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Publication of ES2010830A6 publication Critical patent/ES2010830A6/es
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
    • 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
    • F16D48/06—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
    • F16D2048/0221—Valves for clutch control systems; Details thereof
    • 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
    • F16D2048/0278—Two valves in series arrangement for controlling supply to 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/316—Other signal inputs not covered by the groups above
    • F16D2500/3166—Detection of an elapsed period of time
    • 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
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
    • F16D2500/70402—Actuator parameters
    • F16D2500/70418—Current
    • 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
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
    • F16D2500/70402—Actuator parameters
    • F16D2500/7042—Voltage
    • 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
    • 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
    • F16H61/08—Timing 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
    • 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
    • F16H61/70—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 specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S477/00—Interrelated power delivery controls, including engine control
    • Y10S477/908—In series transmission

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)

Abstract

UN APARATO DE CONTROL HIDRAULICO PARA UNA TRANSMISION QUE COMPRENDE UN EMBRAGUE HIDRAULICO DE CAMBIO DE VELOCIDADES, UNA CONDUCCION DE ACEITE QUE CONECTA EL EMBRAGUE CON UNA BOMBA PARA ACEITE, UNA VALVULA ELECTROMAGNETICA DE REDUCCION PROPORCIONAL MONTADA EN LA CONDUCCION DE ACEITE, UN MICROORDENADOR PARA GENERAR LA CORRIENTE DE CONTROL Y PARA APLICARLA A LA VALVULA DE REDUCCION, Y UNA UNIDAD DE MANDO PARA TRANSMITIR UNA ORDEN AL MICROORDENADOR CON EL FIN DE ACOPLAR EL EMBRAGUE DE CAMBIO DE VELOCIDADES. LA CORRIENTE DE CONTROL GENERADA POR EL MICROORDENADOR INCLUYE UNA PRIMERA COMPONENTE DE CORRIENTE, UNA SEGUNDA COMPONENTE DE CORRIENTE, Y UNA TERCERA COMPONENTE DE CORRIENTE, QUE SIGUE A LA SEGUNDA COMPONENTE DE CORRIENTE.
ES888803081A 1988-09-29 1988-10-10 Aparato decontrol hidraulico para una transmision. Expired ES2010830A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8822854A GB2223283B (en) 1988-09-29 1988-09-29 Transmission having electromagnetic proportional reduction valve

Publications (1)

Publication Number Publication Date
ES2010830A6 true ES2010830A6 (es) 1989-12-01

Family

ID=10644446

Family Applications (1)

Application Number Title Priority Date Filing Date
ES888803081A Expired ES2010830A6 (es) 1988-09-29 1988-10-10 Aparato decontrol hidraulico para una transmision.

Country Status (4)

Country Link
US (1) US4949264A (es)
ES (1) ES2010830A6 (es)
FR (1) FR2637036B1 (es)
GB (1) GB2223283B (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5083273A (en) * 1989-06-27 1992-01-21 Mitsubishi Denki K.K. Temperature detection for electromagentic clutch of vehicle
JPH03209056A (ja) * 1990-01-09 1991-09-12 Kubota Corp 作業車の走行変速構造
US5188005A (en) * 1990-09-14 1993-02-23 Ford Motor Company Method and system for improving smoothness of shifts in an automatic transmission
US5054599A (en) * 1990-12-24 1991-10-08 Caterpillar Inc. End of fill detector for a hydraulic clutch
US5343994A (en) * 1993-03-23 1994-09-06 Caterpillar Inc. End of fill detector for a hydraulic clutch
DE19546292A1 (de) * 1995-12-12 1997-06-19 Zahnradfabrik Friedrichshafen Verfahren zur automatisierten Abstimmung des Befüllvorganges von Schaltelementen
US6319173B1 (en) 1997-04-16 2001-11-20 Transmisiones Tsp, S.A. De C.V. Method and apparatus for operating a clutch in an automated mechanical transmission
US6223874B1 (en) 1997-04-16 2001-05-01 Transmissions Tsp, S.A. De C.V. Apparatus for operating a clutch in an automated mechanical transmission
US6206803B1 (en) 1997-04-16 2001-03-27 Tranmissiones Tsp, S.A. De C.V. Method and apparatus for operating a clutch in an automated mechanical transmission
US6309325B1 (en) 1997-04-17 2001-10-30 Transmission Tsp, S.A. De C.V. Method and apparatus for operating a clutch in an automated mechanical transmission
US6397998B1 (en) 1997-04-16 2002-06-04 Transmisiones Tsp, S.A. De C.V. Apparatus for operating a clutch in an automated mechanical transmission
US6364813B1 (en) 1997-04-16 2002-04-02 Transmisiones Tsp, S.A. De C.V. Method and apparatus for operating a clutch in an automated mechanical transmission
GB9710529D0 (en) * 1997-05-23 1997-07-16 Seddon Donald Hydraulic valves and systems
US6227999B1 (en) 1997-07-09 2001-05-08 Transmisiones Tsp, S.A. De C.V. Method and apparatus for operating a clutch in an automated mechanical transmission
US6633805B2 (en) * 2001-07-13 2003-10-14 Deere & Company Control system for reverser transmission having aggressive and non-aggressive modes
US8172060B2 (en) * 2008-04-02 2012-05-08 Saturn Electonics & Engineering, Inc. Dynamic pressure control system with solenoid valve command current trimming
EP2112394B1 (en) * 2008-04-21 2012-08-15 CNH Belgium N.V. Method for engaging a clutch and an agricultural machine comprising a clutch

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4465168A (en) * 1981-11-25 1984-08-14 Kabushiki Kaisha Komatsu Seisakusho Pressure control system for a transmission
US4527679A (en) * 1982-08-20 1985-07-09 Kabushiki Kaisha Daikin Seisakusho Electro-pneumatic clutch control valve
JPS59110923A (ja) * 1982-12-15 1984-06-27 Kawasaki Heavy Ind Ltd パワ−シフト式トランスミツシヨンの液圧クラツチ接続制御装置
JPS6113604A (ja) * 1984-06-28 1986-01-21 東芝機器株式会社 可変抵抗器
JPS61136044A (ja) * 1984-12-04 1986-06-23 Kubota Ltd 油圧操作式ギヤ変速装置の油圧クラツチ作動方法
JPH0794211B2 (ja) * 1985-03-28 1995-10-11 アイシン精機株式会社 クラッチ圧力制御装置
DE3611256C2 (de) * 1985-04-06 1994-08-25 Nissan Motor Vorrichtung zum Regeln der Anfahrkupplung eines automatischen Getriebes
WO1987000489A1 (en) * 1985-07-26 1987-01-29 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Operation controller for quickly controlling change of forward or backward direction of vehicle equipped with automatic transmission
US4711329A (en) * 1985-08-28 1987-12-08 Kubota, Ltd. Hydraulic circuit construction for power shift transmission
JPS62299435A (ja) * 1986-06-19 1987-12-26 Isuzu Motors Ltd 異常検出装置付き車両の制御装置
EP0308509B1 (en) * 1987-03-25 1993-09-15 Kabushiki Kaisha Komatsu Seisakusho Hydraulic clutch pressure control apparatus
US4924983A (en) * 1987-12-10 1990-05-15 Kubota, Ltd. Propelling clutch apparatus for a working vehicle

Also Published As

Publication number Publication date
GB2223283B (en) 1993-03-24
FR2637036A1 (fr) 1990-03-30
GB2223283A (en) 1990-04-04
FR2637036B1 (fr) 1992-08-14
US4949264A (en) 1990-08-14
GB8822854D0 (en) 1988-11-02

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Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2008-10-10

FD1A Patent lapsed

Effective date: 20001102