DE68923183D1 - Kupplungsschaltkreis für stufenlose Getriebe. - Google Patents

Kupplungsschaltkreis für stufenlose Getriebe.

Info

Publication number
DE68923183D1
DE68923183D1 DE68923183T DE68923183T DE68923183D1 DE 68923183 D1 DE68923183 D1 DE 68923183D1 DE 68923183 T DE68923183 T DE 68923183T DE 68923183 T DE68923183 T DE 68923183T DE 68923183 D1 DE68923183 D1 DE 68923183D1
Authority
DE
Germany
Prior art keywords
continuously variable
variable transmissions
clutch circuit
clutch
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 - Fee Related
Application number
DE68923183T
Other languages
English (en)
Other versions
DE68923183T2 (de
Inventor
Tsutomu Ishino
Ryoichi Maruyama
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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
Priority claimed from JP3705288A external-priority patent/JPH01210659A/ja
Priority claimed from JP63037051A external-priority patent/JPH01210658A/ja
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Publication of DE68923183D1 publication Critical patent/DE68923183D1/de
Application granted granted Critical
Publication of DE68923183T2 publication Critical patent/DE68923183T2/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
    • 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
    • F16D48/062—Control by electric or electronic means, e.g. of fluid pressure of a clutch 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
    • F16D48/02—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
    • F16D2048/0227—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
    • F16D2048/0236—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 with multiple independent pumps, e.g. one per clutch, or for supplying fluid to different systems
    • F16D2048/0242—Two or more rotating pumps driven together by the same power source, e.g. connected by a shaft, or a single pump having two or more fluid outputs
    • 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
    • F16D2500/102—Actuator
    • F16D2500/1021—Electrical type
    • F16D2500/1023—Electric motor
    • F16D2500/1024—Electric motor combined with hydraulic 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/108—Gear
    • F16D2500/1087—Planetary gearing
    • 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
    • F16D2500/7041—Position
    • 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
    • F16D2500/70446—Clutch cooling parameters
    • F16D2500/70448—Clutch cooling parameters for regulating the amount of fluid flow
    • 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
    • F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
    • F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
    • F16H47/04—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion

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)
DE68923183T 1988-02-19 1989-02-13 Kupplungsschaltkreis für stufenlose Getriebe. Expired - Fee Related DE68923183T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3705288A JPH01210659A (ja) 1988-02-19 1988-02-19 無段変速機のクラッチ切り換え回路
JP63037051A JPH01210658A (ja) 1988-02-19 1988-02-19 無段変速機のクラッチ切り換え回路

Publications (2)

Publication Number Publication Date
DE68923183D1 true DE68923183D1 (de) 1995-07-27
DE68923183T2 DE68923183T2 (de) 1995-11-09

Family

ID=26376155

Family Applications (2)

Application Number Title Priority Date Filing Date
DE68923183T Expired - Fee Related DE68923183T2 (de) 1988-02-19 1989-02-13 Kupplungsschaltkreis für stufenlose Getriebe.
DE68915650T Expired - Fee Related DE68915650T2 (de) 1988-02-19 1989-02-13 Kupplungsschaltkreis für stufenlose getriebe.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE68915650T Expired - Fee Related DE68915650T2 (de) 1988-02-19 1989-02-13 Kupplungsschaltkreis für stufenlose getriebe.

Country Status (5)

Country Link
US (2) US5069087A (de)
EP (2) EP0356527B1 (de)
KR (1) KR900700795A (de)
DE (2) DE68923183T2 (de)
WO (1) WO1989007723A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2825579B2 (ja) * 1988-03-30 1998-11-18 ツァーンラートファブリーク、フリードリッヒスハーフェン、アクチエンゲゼルシャフト 伝達比を無段調整できる負荷切換伝動装置
IT1241614B (it) * 1990-10-03 1994-01-25 Same Spa Circuito idraulico di comando di innesti a frizione in power-shift per cambi di trattori.
US5201691A (en) * 1990-11-07 1993-04-13 Doyle Transmissions Limited Variable speed transmission assembly
US5993346A (en) * 1993-02-18 1999-11-30 Antonov Automotive Technologies B.V. Transmission device particularly for vehicles, and controlled methods associated therewith
US5634865A (en) * 1994-11-09 1997-06-03 Hyundai Motor Corp. Hydraulic control system for vehicle automatic transmission
US5667452A (en) * 1995-04-06 1997-09-16 Caterpillar Inc. Split torque transmission
US5618242A (en) * 1995-09-06 1997-04-08 Wu; Cheng-Hsiung Apparatus for torque-converter clutch transmission
US5890981A (en) * 1996-11-25 1999-04-06 Caterpillar Inc. Hydromechanical transmission having three planetaries and five members
US5868640A (en) * 1996-12-04 1999-02-09 Caterpillar Inc. Hydromechanical transmission having four members and two planetaries
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
US5931758A (en) * 1998-04-08 1999-08-03 General Dynamics Land Systems, Inc. Simplified multi-range hydromechanical transmission for vehicles
ATE441792T1 (de) * 2005-04-25 2009-09-15 Hoerbiger & Co Betätigungssteuereinrichtung für die lamellen einer hydraulischen doppelkupplung
DE102006038068A1 (de) * 2006-08-16 2008-02-21 Robert Bosch Gmbh Leistungsverzweigungsgetriebe und Verfahren zur Steuerung eines Antriebs

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS581305B2 (ja) * 1974-12-23 1983-01-11 株式会社小松製作所 デンキ − ユアツシキパワ−シフトヘンソクキ
US4187739A (en) * 1977-12-13 1980-02-12 Zahnradfabrik Friedrichshafen Ag Hydrostatic torque converter having a stepped transmission
JPS5825179B2 (ja) * 1978-02-17 1983-05-26 トヨタ自動車株式会社 絞り制御弁
DE2934269A1 (de) * 1979-08-24 1981-03-26 Zahnradfabrik Friedrichshafen Automatische regeleinrichtung eines durch eine brennkraftmaschine angetriebenen, stufenlos einstellbaren uebersetzungsgetriebes, insbesondere fuer fahrzeuge
DE2945315A1 (de) * 1979-11-09 1981-05-21 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische regeleinrichtung fuer lastschaltgetriebe
US4776240A (en) * 1982-02-04 1988-10-11 Aisin Warner Kabushiki Kaisha Automatic transmission
DE3420060A1 (de) * 1983-05-31 1984-12-06 Kabushiki Kaisha Komatsu Seisakusho, Tokio/Tokyo Fluidbetriebene getriebesteuerung
JPS59222646A (ja) * 1983-05-31 1984-12-14 Komatsu Ltd 自動変速機の油圧制御回路
JPS59222647A (ja) * 1983-05-31 1984-12-14 Komatsu Ltd 自動変速機の油圧制御回路
JPS6071751U (ja) * 1983-10-22 1985-05-21 本田技研工業株式会社 自動変速機の変速制御装置
JPS6084850U (ja) * 1983-11-18 1985-06-11 株式会社小松製作所 油圧制御型変速機の油圧制御装置
JPS60147845A (ja) * 1984-01-12 1985-08-03 Nippon Telegr & Teleph Corp <Ntt> 巡環パイプライン型デ−タフロ−計算機の負荷制御方式
JPH0610330B2 (ja) * 1984-02-04 1994-02-09 住友電気工業株式会社 複合物被覆金属製品の製造方法
JPS60147845U (ja) * 1984-03-12 1985-10-01 株式会社小松製作所 油圧作動式変速機の油圧回路
JPS60162762U (ja) * 1984-04-09 1985-10-29 株式会社小松製作所 変速機のインタロツク装置
JPS6155455A (ja) * 1984-08-24 1986-03-19 Toyota Motor Corp 車輌用自動変速機のアイドル運転時制御方法
US4644826A (en) * 1984-08-24 1987-02-24 Toyota Jidosha Kabushiki Kaisha Idling control system for an automatic transmission providing smooth starting off action
JPS63140150A (ja) * 1986-11-18 1988-06-11 フオルクスヴアーゲン・アクチエンゲゼルシヤフト 液圧的な制御装置
JPH0231073A (ja) * 1988-07-19 1990-02-01 Aisin Aw Co Ltd 自動変速機における油圧制御装置

Also Published As

Publication number Publication date
EP0356527A4 (en) 1990-12-27
EP0356527A1 (de) 1990-03-07
DE68915650T2 (de) 1994-10-27
US5113723A (en) 1992-05-19
US5069087A (en) 1991-12-03
DE68915650D1 (de) 1994-07-07
EP0527544A2 (de) 1993-02-17
EP0527544B1 (de) 1995-06-21
EP0527544A3 (en) 1993-05-12
DE68923183T2 (de) 1995-11-09
EP0356527B1 (de) 1994-06-01
KR900700795A (ko) 1990-08-17
WO1989007723A1 (en) 1989-08-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee