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GB9727319D0 - Improvements in or relating to steplessly-variable-ratio transmission apparatus - Google Patents

Improvements in or relating to steplessly-variable-ratio transmission apparatus

Info

Publication number
GB9727319D0
GB9727319D0 GBGB9727319.7A GB9727319A GB9727319D0 GB 9727319 D0 GB9727319 D0 GB 9727319D0 GB 9727319 A GB9727319 A GB 9727319A GB 9727319 D0 GB9727319 D0 GB 9727319D0
Authority
GB
United Kingdom
Prior art keywords
steplessly
relating
variable
transmission apparatus
ratio transmission
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.)
Ceased
Application number
GBGB9727319.7A
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.)
Torotrak Development Ltd
Original Assignee
Torotrak Development 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 Torotrak Development Ltd filed Critical Torotrak Development Ltd
Priority to GBGB9727319.7A priority Critical patent/GB9727319D0/en
Publication of GB9727319D0 publication Critical patent/GB9727319D0/en
Priority to KR1020007007070A priority patent/KR20010033560A/en
Priority to PCT/GB1998/003754 priority patent/WO1999034134A1/en
Priority to JP2000526755A priority patent/JP2002500326A/en
Priority to EP98960015A priority patent/EP1042624A1/en
Ceased 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
GBGB9727319.7A 1997-12-24 1997-12-24 Improvements in or relating to steplessly-variable-ratio transmission apparatus Ceased GB9727319D0 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GBGB9727319.7A GB9727319D0 (en) 1997-12-24 1997-12-24 Improvements in or relating to steplessly-variable-ratio transmission apparatus
KR1020007007070A KR20010033560A (en) 1997-12-24 1998-12-15 Shaft support for an infinitely-variable-ratio transmission
PCT/GB1998/003754 WO1999034134A1 (en) 1997-12-24 1998-12-15 Shaft support for an infinitely-variable-ratio transmission
JP2000526755A JP2002500326A (en) 1997-12-24 1998-12-15 Shaft support for continuously variable transmission
EP98960015A EP1042624A1 (en) 1997-12-24 1998-12-15 Shaft support for an infinitely-variable-ratio transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9727319.7A GB9727319D0 (en) 1997-12-24 1997-12-24 Improvements in or relating to steplessly-variable-ratio transmission apparatus

Publications (1)

Publication Number Publication Date
GB9727319D0 true GB9727319D0 (en) 1998-02-25

Family

ID=10824213

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9727319.7A Ceased GB9727319D0 (en) 1997-12-24 1997-12-24 Improvements in or relating to steplessly-variable-ratio transmission apparatus

Country Status (5)

Country Link
EP (1) EP1042624A1 (en)
JP (1) JP2002500326A (en)
KR (1) KR20010033560A (en)
GB (1) GB9727319D0 (en)
WO (1) WO1999034134A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4701522B2 (en) * 2001-03-21 2011-06-15 株式会社ジェイテクト Toroidal continuously variable transmission
FR3124484B1 (en) 2021-06-23 2023-06-16 Ifp Energies Now Electrically assisted land vehicle with an inverted infinitely variable transmission
FR3128502B1 (en) 2021-10-27 2024-01-19 Ifp Energies Now Variable transmission comprising an epicyclic gear train with conical or frustoconical rollers
FR3142788A1 (en) 2022-12-05 2024-06-07 IFP Energies Nouvelles Variable transmission with conical or frustoconical rollers and a crown

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0823386B2 (en) * 1989-09-26 1996-03-06 日産自動車株式会社 Friction car type continuously variable transmission
US5368529A (en) * 1992-06-29 1994-11-29 Nsk Ltd. Toroidal type continuously variable transmission

Also Published As

Publication number Publication date
EP1042624A1 (en) 2000-10-11
WO1999034134A1 (en) 1999-07-08
JP2002500326A (en) 2002-01-08
KR20010033560A (en) 2001-04-25

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)