JP4474945B2 - トロイダル型無段変速機 - Google Patents

トロイダル型無段変速機 Download PDF

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Publication number
JP4474945B2
JP4474945B2 JP2004050958A JP2004050958A JP4474945B2 JP 4474945 B2 JP4474945 B2 JP 4474945B2 JP 2004050958 A JP2004050958 A JP 2004050958A JP 2004050958 A JP2004050958 A JP 2004050958A JP 4474945 B2 JP4474945 B2 JP 4474945B2
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JP
Japan
Prior art keywords
disk
continuously variable
axial
variable transmission
axial direction
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
JP2004050958A
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English (en)
Japanese (ja)
Other versions
JP2005240895A (ja
JP2005240895A5 (enExample
Inventor
尚 今西
祐二 下村
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 JP2004050958A priority Critical patent/JP4474945B2/ja
Priority to US11/063,534 priority patent/US7273437B2/en
Priority to DE102005008499A priority patent/DE102005008499B4/de
Publication of JP2005240895A publication Critical patent/JP2005240895A/ja
Publication of JP2005240895A5 publication Critical patent/JP2005240895A5/ja
Application granted granted Critical
Publication of JP4474945B2 publication Critical patent/JP4474945B2/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
    • B23B2228/24—Hard, i.e. after being hardened

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
  • Transmission Devices (AREA)
JP2004050958A 2004-02-26 2004-02-26 トロイダル型無段変速機 Expired - Fee Related JP4474945B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004050958A JP4474945B2 (ja) 2004-02-26 2004-02-26 トロイダル型無段変速機
US11/063,534 US7273437B2 (en) 2004-02-26 2005-02-24 Toroidal-type continuously variable transmission
DE102005008499A DE102005008499B4 (de) 2004-02-26 2005-02-24 Stufenlos verstellbares Getriebe eines Toroid-Typs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004050958A JP4474945B2 (ja) 2004-02-26 2004-02-26 トロイダル型無段変速機

Publications (3)

Publication Number Publication Date
JP2005240895A JP2005240895A (ja) 2005-09-08
JP2005240895A5 JP2005240895A5 (enExample) 2006-12-28
JP4474945B2 true JP4474945B2 (ja) 2010-06-09

Family

ID=34879602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004050958A Expired - Fee Related JP4474945B2 (ja) 2004-02-26 2004-02-26 トロイダル型無段変速機

Country Status (3)

Country Link
US (1) US7273437B2 (enExample)
JP (1) JP4474945B2 (enExample)
DE (1) DE102005008499B4 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5862342B2 (ja) * 2011-02-28 2016-02-16 日本精工株式会社 トロイダル型無段変速機
JP6331449B2 (ja) * 2014-02-17 2018-05-30 日本精工株式会社 トロイダル型無段変速機
JP6347122B2 (ja) * 2014-03-11 2018-06-27 日本精工株式会社 トロイダル型無段変速機

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8629673D0 (en) * 1986-12-11 1987-01-21 Fellows T G Automotive transmissions
JP3407319B2 (ja) 1992-11-30 2003-05-19 いすゞ自動車株式会社 トロイダル型無段変速機
JPH08159229A (ja) 1994-11-30 1996-06-21 Mazda Motor Corp トロイダル型無段変速機
US5607372A (en) * 1995-01-13 1997-03-04 The Torax Company, Inc. Co-axial drive for a toroidal drive type transmission
JP3618967B2 (ja) * 1997-08-08 2005-02-09 日産自動車株式会社 車両用トロイダル型無段変速機
JP3716568B2 (ja) 1997-08-25 2005-11-16 マツダ株式会社 トロイダル式無段変速機
JP3852188B2 (ja) 1997-11-12 2006-11-29 日本精工株式会社 トロイダル型無段変速機用中間ディスクの製造方法
JP3783374B2 (ja) 1997-11-14 2006-06-07 日本精工株式会社 トロイダル型無段変速機
JP4051518B2 (ja) 1999-01-20 2008-02-27 日本精工株式会社 ハーフトロイダルｃｖｔディスクのトラクション面研削方法
JP4062809B2 (ja) * 1999-02-03 2008-03-19 日本精工株式会社 無段変速機
US6099431A (en) * 1999-05-06 2000-08-08 Ford Global Technologies, Inc. Method for operating a traction drive automatic transmission for automotive vehicles
JP3997689B2 (ja) * 2000-06-07 2007-10-24 日本精工株式会社 ハーフトロイダルｃｖｔディスクの研削加工方法
JP3621027B2 (ja) 2000-07-17 2005-02-16 光洋精工株式会社 バリエータ用ディスクの製造方法
JP3458830B2 (ja) * 2000-07-21 2003-10-20 日産自動車株式会社 変速比無限大無段変速機の制御装置
JP2002048205A (ja) 2000-08-02 2002-02-15 Nsk Ltd ハーフトロイダル型無段変速機
DE10040039A1 (de) * 2000-08-11 2002-02-21 Daimler Chrysler Ag Wechselgetriebe-Anordnung
JP3799979B2 (ja) * 2000-09-14 2006-07-19 日産自動車株式会社 変速比無限大無段変速機
JP2003314646A (ja) 2002-04-19 2003-11-06 Nsk Ltd トロイダル型無段変速機
JP3885650B2 (ja) * 2002-04-25 2007-02-21 日本精工株式会社 無段変速装置
US6931316B2 (en) * 2002-06-05 2005-08-16 Nissan Motor Co., Ltd. Toroidal continuously variable transmission control apparatus
JP4123869B2 (ja) * 2002-08-23 2008-07-23 日本精工株式会社 トロイダル型無段変速機及び無段変速装置

Also Published As

Publication number Publication date
JP2005240895A (ja) 2005-09-08
DE102005008499B4 (de) 2013-08-29
US7273437B2 (en) 2007-09-25
DE102005008499A1 (de) 2005-09-22
US20050197227A1 (en) 2005-09-08

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