JP4196486B2 - トロイダル形無段変速装置 - Google Patents

トロイダル形無段変速装置 Download PDF

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Publication number
JP4196486B2
JP4196486B2 JP18324799A JP18324799A JP4196486B2 JP 4196486 B2 JP4196486 B2 JP 4196486B2 JP 18324799 A JP18324799 A JP 18324799A JP 18324799 A JP18324799 A JP 18324799A JP 4196486 B2 JP4196486 B2 JP 4196486B2
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JP
Japan
Prior art keywords
disk
input
output
hydraulic chamber
input shaft
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
JP18324799A
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English (en)
Japanese (ja)
Other versions
JP2001012573A5 (enExample
JP2001012573A (ja
Inventor
宏史 石川
尚 今西
裕之 伊藤
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.)
NSK Ltd
Original Assignee
NSK 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
Application filed by NSK Ltd filed Critical NSK Ltd
Priority to JP18324799A priority Critical patent/JP4196486B2/ja
Priority to US09/602,679 priority patent/US6740001B1/en
Publication of JP2001012573A publication Critical patent/JP2001012573A/ja
Publication of JP2001012573A5 publication Critical patent/JP2001012573A5/ja
Application granted granted Critical
Publication of JP4196486B2 publication Critical patent/JP4196486B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04—Gearings providing a continuous range of gear ratios
    • F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
    • F16H15/32—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line
    • F16H15/36—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface
    • F16H15/38—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
    • 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
    • F16H61/664—Friction gearings
    • F16H61/6649—Friction gearings characterised by the means for controlling the torque transmitting capability of the gearing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
JP18324799A 1999-06-29 1999-06-29 トロイダル形無段変速装置 Expired - Fee Related JP4196486B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP18324799A JP4196486B2 (ja) 1999-06-29 1999-06-29 トロイダル形無段変速装置
US09/602,679 US6740001B1 (en) 1999-06-29 2000-06-26 Toroidal type continuously variable transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18324799A JP4196486B2 (ja) 1999-06-29 1999-06-29 トロイダル形無段変速装置

Publications (3)

Publication Number Publication Date
JP2001012573A JP2001012573A (ja) 2001-01-16
JP2001012573A5 JP2001012573A5 (enExample) 2005-09-02
JP4196486B2 true JP4196486B2 (ja) 2008-12-17

Family

ID=16132358

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18324799A Expired - Fee Related JP4196486B2 (ja) 1999-06-29 1999-06-29 トロイダル形無段変速装置

Country Status (2)

Country Link
US (1) US6740001B1 (enExample)
JP (1) JP4196486B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10034453A1 (de) * 2000-07-15 2002-01-24 Zahnradfabrik Friedrichshafen Stufenloses Reibradgetriebe
US7014588B2 (en) * 2001-08-16 2006-03-21 Nsk Ltd. Toroidal-type continuously variable transmission and continuously variable transmission apparatus
DE10352174A1 (de) * 2003-11-05 2005-06-09 Daimlerchrysler Ag Toroidgetriebe mit einer hydraulischen Anpressvorrichtung
US8939866B2 (en) * 2012-03-15 2015-01-27 Hamilton Sundstrand Corporation Toroidal traction drive
CA2871523C (en) * 2012-04-25 2020-02-18 Allison Transmission, Inc. Nested endload assembly for a variator
US9599218B2 (en) * 2012-08-16 2017-03-21 Ultimate Transmissions Pty Ltd Modulated clamping force generator for Toroidal CVT
JP6427899B2 (ja) * 2013-08-02 2018-11-28 日本精工株式会社 トロイダル型無段変速機
CN106104080B (zh) * 2014-04-02 2018-09-25 日本精工株式会社 环形无级变速器

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2079683A (en) 1936-02-27 1937-05-11 Chilton Roland Transmission
GB1392440A (en) * 1971-07-27 1975-04-30 Rotax Ltd Variable-ratio frictional drive gears
GB1600973A (en) * 1976-08-14 1981-10-21 Lucas Industries Ltd Variable speed transmission systems
GB1583958A (en) * 1976-08-14 1981-02-04 Lucas Industries Ltd Axial loading device
US4272999A (en) * 1978-04-11 1981-06-16 National Research Development Corporation Fluid pressure operated actuator
US4576055A (en) * 1984-08-15 1986-03-18 Excelermatic, Inc. Hydraulically controlled infinitely variable traction roller transmission
GB2170284B (en) * 1985-01-30 1989-07-05 Nat Res Dev Improvements in or relating to automotive transmissions of the rolling traction type
JPH0672655B2 (ja) * 1988-12-16 1994-09-14 日産自動車株式会社 トロイダル型無段変速機
GB9024987D0 (en) 1990-11-16 1991-01-02 Greenwood Christopher J Improvements in or relating to variators for transmissions of the toroidal-race rolling-traction type
JPH04224347A (ja) 1990-12-25 1992-08-13 Mazda Motor Corp 摩擦式無段変速機
JPH04366048A (ja) 1991-02-12 1992-12-17 Mazda Motor Corp 無段変速機
JP3224145B2 (ja) 1992-07-14 2001-10-29 マツダ株式会社 トロイダル型無段変速機
JP2928687B2 (ja) 1992-08-31 1999-08-03 株式会社東芝 エレベーターの制御装置
GB2312257A (en) * 1996-04-19 1997-10-22 Torotrak Dev Ltd Toroidal race variator control system varies end loading according to net pres sure
JPH10196751A (ja) 1997-01-13 1998-07-31 Nippon Seiko Kk トロイダル型無段変速機
JP3687261B2 (ja) 1997-04-09 2005-08-24 日本精工株式会社 トロイダル型無段変速機

Also Published As

Publication number Publication date
US6740001B1 (en) 2004-05-25
JP2001012573A (ja) 2001-01-16

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