FR2654788B1 - Variateur de vitesse. - Google Patents

Variateur de vitesse.

Info

Publication number
FR2654788B1
FR2654788B1 FR9014353A FR9014353A FR2654788B1 FR 2654788 B1 FR2654788 B1 FR 2654788B1 FR 9014353 A FR9014353 A FR 9014353A FR 9014353 A FR9014353 A FR 9014353A FR 2654788 B1 FR2654788 B1 FR 2654788B1
Authority
FR
France
Prior art keywords
speed variator
variator
speed
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
FR9014353A
Other languages
English (en)
Other versions
FR2654788A1 (fr
Inventor
Friedmann Oswald
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.)
LuK Lamellen und Kupplungsbau GmbH
Original Assignee
LuK Lamellen und Kupplungsbau GmbH
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 LuK Lamellen und Kupplungsbau GmbH filed Critical LuK Lamellen und Kupplungsbau GmbH
Publication of FR2654788A1 publication Critical patent/FR2654788A1/fr
Application granted granted Critical
Publication of FR2654788B1 publication Critical patent/FR2654788B1/fr
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
    • F16H61/66—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 continuously variable gearings
    • F16H61/662—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 continuously variable gearings with endless flexible members
    • F16H61/66272—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 continuously variable gearings with endless flexible members characterised by means for controlling the torque transmitting capability of the 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
    • 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
    • F16H61/66—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 continuously variable gearings
    • F16H61/662—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 continuously variable gearings with endless flexible members
    • F16H2061/66286—Control for optimising pump efficiency
    • 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
    • F16H61/0021—Generation or control of line 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
    • 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
    • F16H61/66—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 continuously variable gearings
    • F16H61/662—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 continuously variable gearings with endless flexible members

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
FR9014353A 1989-11-21 1990-11-19 Variateur de vitesse. Expired - Fee Related FR2654788B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3938593 1989-11-21
DE3940460 1989-12-07

Publications (2)

Publication Number Publication Date
FR2654788A1 FR2654788A1 (fr) 1991-05-24
FR2654788B1 true FR2654788B1 (fr) 1995-08-18

Family

ID=25887276

Family Applications (2)

Application Number Title Priority Date Filing Date
FR9014354A Pending FR2654789A1 (fr) 1989-11-21 1990-11-19 Variateur de vitesse a circuits separes de generation des pressions fonction du couple et du rapport de transmission.
FR9014353A Expired - Fee Related FR2654788B1 (fr) 1989-11-21 1990-11-19 Variateur de vitesse.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR9014354A Pending FR2654789A1 (fr) 1989-11-21 1990-11-19 Variateur de vitesse a circuits separes de generation des pressions fonction du couple et du rapport de transmission.

Country Status (6)

Country Link
US (2) US5046991A (fr)
JP (2) JP2911589B2 (fr)
DE (1) DE4036683B4 (fr)
FR (2) FR2654789A1 (fr)
GB (2) GB2238587B (fr)
NL (2) NL9002530A (fr)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
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JP3121853B2 (ja) * 1990-04-14 2001-01-09 ルーク ラメレン ウント クツプルングスバウ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 車両用の駆動ユニット
DE4131933C2 (de) * 1990-09-26 1999-10-07 Zahnradfabrik Friedrichshafen Verstellbares Umschlingungsgetriebe
IT1251671B (it) * 1990-10-20 1995-05-19 Luk Lamellen Und Kapplungsbau Unita' di comando per una trasmissione, in particolare per autoveicoli
US5217412A (en) * 1990-10-20 1993-06-08 Luk Lamellen Und Kupplungsbau Gmbh Continuously variable speed transmission
DE4201692B4 (de) * 1991-02-02 2008-05-15 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Stufenlos einstellbares Kegelscheibenumschlingungsgetriebe
US5269726A (en) * 1991-06-26 1993-12-14 Borg-Warner Automotive, Inc. Control system and strategies for a double acting secondary sheave servo for a continuously variable transmission
DE4234294B4 (de) * 1991-10-19 2008-04-03 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Kegelscheibenumschlingungsgetriebe
DE4203362C2 (de) * 1992-02-06 1994-02-17 Piv Antrieb Reimers Kg Werner Kegelscheibengetriebe, insbesondere für Kraftfahrzeuge
IN189939B (fr) * 1993-12-20 2003-05-17 Torotrak Dev Ltd
DE4436506A1 (de) * 1994-10-13 1996-04-18 Zahnradfabrik Friedrichshafen Einrichtung zum Steuern eines CVT
DE19544644B4 (de) * 1994-12-06 2008-03-27 Luk Gs Verwaltungs Kg Drehmomentfühler sowie damit ausgestattetes Kegelscheibenumschlingungsgetriebe
JP3961039B2 (ja) * 1994-12-06 2007-08-15 ルーク ゲトリーベ−ジステーメ ゲゼルシャフト ミット ベシュレンクテル ハフツング トルクセンサ及び円錐形プーリー巻掛け式伝動装置
DE19546293B4 (de) * 1994-12-15 2009-11-26 Luk Gs Verwaltungs Kg Antriebseinheit mit einem stufenlos einstellbaren Kegelscheibenumschlingungsgetriebe
DE19826747A1 (de) * 1997-07-14 1999-01-21 Luk Getriebe Systeme Gmbh Getriebe
DE19828844A1 (de) * 1997-07-14 1999-01-21 Atlas Fahrzeugtechnik Gmbh Getriebe
GB2331561B (en) * 1997-11-24 2002-09-18 Luk Getriebe Systeme Gmbh Continuously variable speed transmission
DE19853335B4 (de) 1997-11-29 2016-02-18 Schaeffler Technologies AG & Co. KG Stufenlos einstellbares Kegelscheibenumschlingungsgetriebe
DE19861359B4 (de) 1997-12-22 2012-11-22 Schaeffler Technologies AG & Co. KG Getriebe
DE19857710B4 (de) * 1997-12-22 2013-02-21 Schaeffler Technologies AG & Co. KG Getriebe
DE19909347B4 (de) 1998-03-10 2012-03-29 Schaeffler Technologies Gmbh & Co. Kg Getriebe
DE19934935B4 (de) 1998-07-30 2015-08-06 Schaeffler Technologies AG & Co. KG Umschlingungsmittel
DE19937053A1 (de) 1998-08-17 2000-02-24 Daimler Chrysler Ag Verfahren und Vorrichtung für ein Ventil
DE19841346A1 (de) * 1998-09-10 2000-03-16 Volkswagen Ag Stufenlos verstellbares Kegelscheibenumschlingungsgetriebe, insbesondere für Kraftfahrzeuge
JP4806825B2 (ja) * 1999-04-07 2011-11-02 シェフラー テクノロジーズ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト 変速機
DE10021793B4 (de) * 1999-05-14 2010-05-20 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Einrichtung zur Ansteuerung von CVT-Getrieben
US6287227B1 (en) * 1999-09-20 2001-09-11 General Motors Corporation Hydraulic control for a continuously variable transmission
DE10052471B4 (de) * 1999-11-08 2012-08-23 Schaeffler Technologies Gmbh & Co. Kg Kegelscheibenumschlingungsgetriebe
US6640733B2 (en) 1999-12-08 2003-11-04 Edward H. Huffmeyer Inclinometer-controlled apparatus for varying the rate of seed population
US6463866B2 (en) * 1999-12-08 2002-10-15 Edward Huffmeyer Apparatus for varying the rate of seed population
DE10118102A1 (de) * 2000-04-28 2001-10-31 Luk Lamellen & Kupplungsbau Laschenkette
JP4038349B2 (ja) * 2001-04-27 2008-01-23 ジヤトコ株式会社 ベルト式無段変速機
DE60204655T2 (de) * 2002-03-29 2006-05-11 Van Doorne's Transmissie B.V. Umschlingungsgetriebe
DE10231612A1 (de) * 2002-07-12 2004-01-29 Zf Friedrichshafen Ag Getriebe mit einer über ein hydraulisches Drucksystem ansteuerbaren Anfahrkupplung
US6986725B2 (en) 2002-11-01 2006-01-17 Eaton Corporation Continuously variable stepped transmission
JP2006523292A (ja) * 2003-03-19 2006-10-12 ザ リージェンツ オブ ザ ユニヴァーシティー オブ カリフォルニア 無段変速機における比の変化率を制御する方法およびシステム
JP4449441B2 (ja) * 2003-12-09 2010-04-14 トヨタ自動車株式会社 ベルト式無段変速機
EP1655511B1 (fr) * 2004-11-08 2013-01-09 JATCO Ltd Transmission à variation continue de vitesse à double piston et courroie
US7473202B2 (en) 2005-04-15 2009-01-06 Eaton Corporation Continuously variable dual mode transmission
WO2008101458A2 (fr) * 2007-02-21 2008-08-28 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Système hydraulique
WO2008148035A2 (fr) * 2007-05-23 2008-12-04 Brown Albert W Commande de fonction mécanique d'un système hydraulique de transmission à variation continue
DE102008059807A1 (de) * 2007-12-19 2009-06-25 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Hydrauliksystem
JP5474049B2 (ja) * 2008-04-29 2014-04-16 シェフラー テクノロジーズ アクチエンゲゼルシャフト ウント コンパニー コマンディートゲゼルシャフト 円錐形ディスク式巻掛け変速機
JP5005054B2 (ja) * 2010-02-23 2012-08-22 本田技研工業株式会社 発進クラッチ制御装置
US9689493B2 (en) * 2013-05-31 2017-06-27 GM Global Technoloogy Operations LLC System and method for minimal draindown in CVT
US9188218B2 (en) * 2013-05-31 2015-11-17 Gm Global Technology Operations, Llc Methodology for controlling a hydraulic control system of a continuously variable transmission
JP6020720B2 (ja) * 2013-06-07 2016-11-02 トヨタ自動車株式会社 ベルト式無段変速装置
WO2015139502A1 (fr) * 2014-03-20 2015-09-24 程乃士 Transmission à variation continue de type à disques biseautés
CN106884945B (zh) * 2017-04-28 2019-01-08 重庆大学 机械液压双控无级变速器
CN109027156B (zh) * 2017-06-12 2022-10-11 童俊生 四油缸通路金属带式无级变速器

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1816949B1 (de) * 1968-12-24 1970-05-27 Piv Antrieb Reimers Kg Werner Kegelscheiben-Umschlingungsgetriebe
DE2301776B2 (de) * 1973-01-15 1976-12-02 P.I.V. Antrieb Werner Reimers Kg, 6380 Bad Homburg Steuereinrichtung fuer einen aus einer brennkraftmaschine und motor und einem von dieser angetriebenen stufenlos einstellbarem zugorgangetriebe bestehenden fahrantrieb
NL181597C (nl) * 1976-10-05 1987-09-16 Volvo Car Bv Continu variabele transmissie.
US4228691A (en) * 1977-03-01 1980-10-21 Borg-Warner Corporation Variable pulley transmission
DE2744947C3 (de) * 1977-10-06 1980-10-23 P.I.V. Antrieb Werner Reimers Kg, 6380 Bad Homburg Stufenlos einstellbares Kegelscheiben-Umschlingungsgetriebe
DE2828347C2 (de) * 1978-06-28 1982-10-21 P.I.V. Antrieb Werner Reimers GmbH & Co KG, 6380 Bad Homburg Reibgetriebe
DE2846580C2 (de) * 1978-10-26 1982-12-09 P.I.V. Antrieb Werner Reimers GmbH & Co KG, 6380 Bad Homburg Stufenlos einstellbares Kegelscheibengetriebe
US4241618A (en) * 1979-03-02 1980-12-30 Borg-Warner Corporation Variable pulley transmission
US4433594A (en) * 1981-04-24 1984-02-28 Borg-Warner Corporation Variable pulley transmission
US4494943A (en) * 1981-09-08 1985-01-22 Nippondenso Co., Ltd. Power transmission device for vehicles
NL189731C (nl) * 1982-02-08 1993-07-01 Honda Motor Co Ltd Variabele transmissie.
JPS5917054A (ja) * 1982-07-19 1984-01-28 Toyota Motor Corp ベルト駆動式無段変速機の油圧装置
US4475416A (en) * 1982-07-27 1984-10-09 Borg-Warner Corporation Continuously variable transmission down shift control
US4583423A (en) * 1983-02-24 1986-04-22 Ford Motor Company Infinitely variable transmission for automotive vehicle driveline
US4569670A (en) * 1984-05-31 1986-02-11 Borg-Warner Corporation Variable pulley accessory drive
DE3538884A1 (de) * 1985-11-02 1987-05-21 Ford Werke Ag Stufenlos regelbares getriebeaggregat fuer kraftfahrzeuge
JPS62155339A (ja) * 1985-12-26 1987-07-10 Toyota Central Res & Dev Lab Inc 回転トルク伝達接手
JPS6353353A (ja) * 1986-08-19 1988-03-07 Fuji Heavy Ind Ltd 無段変速機の制御装置
US4767384A (en) * 1987-04-06 1988-08-30 Ford Motor Company Fluid pressure amplifier for an infinitely variable drive
US4747809A (en) * 1987-06-15 1988-05-31 General Motors Corporation Hydraulic control for a continuously variable transmission
DE3727633A1 (de) * 1987-08-19 1989-03-02 Manfred Rattunde Kegelscheibenumschlingungsgetriebe mit geregelter druckmittelmenge
JP2741041B2 (ja) * 1988-10-14 1998-04-15 富士重工業株式会社 無段変速機の変速制御装置

Also Published As

Publication number Publication date
JP3126375B2 (ja) 2001-01-22
NL9002530A (nl) 1991-06-17
JPH03209058A (ja) 1991-09-12
FR2654788A1 (fr) 1991-05-24
GB9025174D0 (en) 1991-01-02
NL9002528A (nl) 1991-06-17
GB2238588A (en) 1991-06-05
GB9025173D0 (en) 1991-01-02
DE4036683B4 (de) 2008-05-29
JP2911589B2 (ja) 1999-06-23
US5046991A (en) 1991-09-10
GB2238587A (en) 1991-06-05
GB2238587B (en) 1993-08-25
FR2654789A1 (fr) 1991-05-24
US5201687A (en) 1993-04-13
DE4036683A1 (de) 1991-05-23
JPH03209059A (ja) 1991-09-12

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse