DE60118423D1 - Stufenloses toroidgetriebe und herstellungsverfahren - Google Patents

Stufenloses toroidgetriebe und herstellungsverfahren

Info

Publication number
DE60118423D1
DE60118423D1 DE60118423T DE60118423T DE60118423D1 DE 60118423 D1 DE60118423 D1 DE 60118423D1 DE 60118423 T DE60118423 T DE 60118423T DE 60118423 T DE60118423 T DE 60118423T DE 60118423 D1 DE60118423 D1 DE 60118423D1
Authority
DE
Germany
Prior art keywords
stage
free
manufacturing process
toroid
gear
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 - Lifetime
Application number
DE60118423T
Other languages
English (en)
Other versions
DE60118423T2 (de
Inventor
Shigeru Okita
Tomonobu Yoshikawa
Hiroshi Ishii
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
Publication of DE60118423D1 publication Critical patent/DE60118423D1/de
Application granted granted Critical
Publication of DE60118423T2 publication Critical patent/DE60118423T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Friction Gearing (AREA)
DE60118423T 2000-11-13 2001-11-12 Stufenloses toroidgetriebe und herstellungsverfahren Expired - Lifetime DE60118423T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000345206 2000-11-13
JP2000345206 2000-11-13
PCT/JP2001/009875 WO2002038984A1 (fr) 2000-11-13 2001-11-12 Transmission a variation continue toroidale et procede de production de la transmission

Publications (2)

Publication Number Publication Date
DE60118423D1 true DE60118423D1 (de) 2006-05-18
DE60118423T2 DE60118423T2 (de) 2006-10-19

Family

ID=18819277

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60118423T Expired - Lifetime DE60118423T2 (de) 2000-11-13 2001-11-12 Stufenloses toroidgetriebe und herstellungsverfahren

Country Status (5)

Country Link
US (1) US6659909B2 (de)
EP (1) EP1258657B1 (de)
JP (1) JPWO2002038984A1 (de)
DE (1) DE60118423T2 (de)
WO (1) WO2002038984A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3783507B2 (ja) * 2000-02-16 2006-06-07 日本精工株式会社 トロイダル型無段変速機用ディスクの加工方法
JP2002130411A (ja) * 2000-10-20 2002-05-09 Nsk Ltd トロイダル型無段変速機
US7438477B2 (en) * 2001-11-29 2008-10-21 Ntn Corporation Bearing part, heat treatment method thereof, and rolling bearing
DE60305054T2 (de) * 2002-10-17 2007-02-01 Ntn Corp. Rollennockenfolger für Brennkraftmaschine
US7334943B2 (en) * 2003-02-28 2008-02-26 Ntn Corporation Differential support structure, differential's component, method of manufacturing differential support structure, and method of manufacturing differential's component
JP4718781B2 (ja) * 2003-02-28 2011-07-06 Ｎｔｎ株式会社 トランスミッションの構成部品および円錐ころ軸受
JP2004301321A (ja) 2003-03-14 2004-10-28 Ntn Corp オルタネータ用軸受およびプーリ用軸受
JP4785346B2 (ja) * 2003-03-31 2011-10-05 Ｎｔｎ株式会社 スクロールコンプレッサにおける駆動軸の支持構造、転がり軸受の内輪、外輪または転動体、およびにこれらの製造方法
JP4152283B2 (ja) * 2003-08-29 2008-09-17 Ｎｔｎ株式会社 軸受部品の熱処理方法
EP1707831B1 (de) 2004-01-09 2012-02-01 NTN Corporation Axialnadellager, eine axiallast eines verdichters für eine autoklimaanlage aufnehmende stützkonstruktion, eine axiallast eines automatikgetriebes aufnehmende stützkonstruktion, stützkonstruktion für stufenloses getriebe und eine axiallast eines schaltgetriebes aufnehmende stützkonstruktion
JP4540351B2 (ja) * 2004-01-15 2010-09-08 Ｎｔｎ株式会社 鋼の熱処理方法および軸受部品の製造方法
JP2007046717A (ja) * 2005-08-10 2007-02-22 Ntn Corp ジョイント用爪付き転動軸
CN102676983B (zh) * 2011-03-11 2014-03-26 青岛德盛机械制造有限公司 一种渗碳处理方法
EP3604562B1 (de) * 2011-05-25 2022-07-20 Aktiebolaget SKF Verfahren und stahlbauteil
WO2014143361A1 (en) * 2013-03-15 2014-09-18 United Technologies Corporation Process for treating steel alloys for gears

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3604415B2 (ja) 1993-08-31 2004-12-22 日本精工株式会社 トロイダル形無段変速機
JP3525471B2 (ja) * 1994-01-18 2004-05-10 日本精工株式会社 トロイダル形無段変速機
JP3909902B2 (ja) * 1996-12-17 2007-04-25 株式会社小松製作所 高耐面圧用鋼部品およびその製造方法
JPH10231908A (ja) * 1997-02-19 1998-09-02 Nissan Motor Co Ltd トロイダル式無段変速機用転動体およびその製造方法
JPH11100643A (ja) * 1997-09-25 1999-04-13 Ntn Corp 転がり軸受
JP3702618B2 (ja) * 1997-11-04 2005-10-05 日本精工株式会社 トロイダル形無段変速機
JPH11210854A (ja) * 1998-01-23 1999-08-03 Nippon Seiko Kk トロイダル型無段変速機
JP2001082566A (ja) 1999-09-14 2001-03-27 Nsk Ltd トロイダル形無段変速機
JP2002147557A (ja) * 2000-11-14 2002-05-22 Nsk Ltd トロイダル型無段変速機

Also Published As

Publication number Publication date
EP1258657A4 (de) 2004-12-15
US20030040401A1 (en) 2003-02-27
JPWO2002038984A1 (ja) 2004-03-18
EP1258657B1 (de) 2006-03-29
DE60118423T2 (de) 2006-10-19
WO2002038984A1 (fr) 2002-05-16
US6659909B2 (en) 2003-12-09
EP1258657A1 (de) 2002-11-20

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Legal Events

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