WO2009031797A3 - Semi spherical continuously variable transsmision - Google Patents

Semi spherical continuously variable transsmision Download PDF

Info

Publication number
WO2009031797A3
WO2009031797A3 PCT/KR2008/005149 KR2008005149W WO2009031797A3 WO 2009031797 A3 WO2009031797 A3 WO 2009031797A3 KR 2008005149 W KR2008005149 W KR 2008005149W WO 2009031797 A3 WO2009031797 A3 WO 2009031797A3
Authority
WO
WIPO (PCT)
Prior art keywords
continuously variable
transsmision
lot
transmission
cost
Prior art date
Application number
PCT/KR2008/005149
Other languages
French (fr)
Other versions
WO2009031797A2 (en
Inventor
Yong Hwan Kim
Yeong Il Park
Byeong Mun Lim
Original Assignee
Lico Ltd
Yong Hwan Kim
Yeong Il Park
Byeong Mun Lim
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 Lico Ltd, Yong Hwan Kim, Yeong Il Park, Byeong Mun Lim filed Critical Lico Ltd
Publication of WO2009031797A2 publication Critical patent/WO2009031797A2/en
Publication of WO2009031797A3 publication Critical patent/WO2009031797A3/en

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
    • F16H15/44—Gearings providing a continuous range of gear ratios in which two members of non-uniform effective diameter directly co-operate with one another
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Friction Gearing (AREA)

Abstract

A CVT(Continuously Variable Transmission) is disclosed, in which a structure is simple, and less volume and weight are obtained, and manufacturing does not cost a lot, and less impact and noise occur during a transmission, and a maintenance does not cost a lot, and a module type transmission can be manufactured. A semispherical unit is used in stead of at least two spherical units like in the conventional at, and an eccentric support unit having a roller which supports a pressing force of a semispherical unit is installed in an opposed contact point of a semispherical unit instead of a pressure plate, and the present invention can be applied to a bicycle as well as various driving means such as motorcycle, an automatic handcart, a spinning wheel or the like without a design change.
PCT/KR2008/005149 2007-09-03 2008-09-02 Semi spherical continuously variable transsmision WO2009031797A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070088795A KR100799542B1 (en) 2007-09-03 2007-09-03 Semi spherical continuously variable transsmision
KR10-2007-0088795 2007-09-03

Publications (2)

Publication Number Publication Date
WO2009031797A2 WO2009031797A2 (en) 2009-03-12
WO2009031797A3 true WO2009031797A3 (en) 2009-05-14

Family

ID=39341943

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2008/005149 WO2009031797A2 (en) 2007-09-03 2008-09-02 Semi spherical continuously variable transsmision

Country Status (2)

Country Link
KR (1) KR100799542B1 (en)
WO (1) WO2009031797A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101256849B1 (en) * 2012-07-30 2013-04-23 원광대학교산학협력단 Rower transmission of orthogonal axes using friction drive

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5834259A (en) * 1981-08-21 1983-02-28 Toshihiro Kondo Friction type stepless speed change gear
JPH04266647A (en) * 1990-11-13 1992-09-22 Borg Warner Automot Inc Continuous variable traction drive device
KR20030075639A (en) * 2002-03-20 2003-09-26 박노길 Traction drive continuously various transmission having a four bar linkage and spherical rotors

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4692128A (en) * 1986-06-25 1987-09-08 Manville Corporation Continuously variable transmission pulley
JPH04169390A (en) * 1990-10-31 1992-06-17 Isuzu Motors Ltd Continuously variable transmission system for bicycle
KR0161226B1 (en) * 1996-06-19 1998-12-01 민영순 Power train apparatus for a bicycle
KR970069812A (en) * 1997-08-14 1997-11-07 이영길 Stepless speed change gear for bicycle
KR100767461B1 (en) 2005-09-21 2007-10-17 전영옥 continuously variable transmission

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5834259A (en) * 1981-08-21 1983-02-28 Toshihiro Kondo Friction type stepless speed change gear
JPH04266647A (en) * 1990-11-13 1992-09-22 Borg Warner Automot Inc Continuous variable traction drive device
KR20030075639A (en) * 2002-03-20 2003-09-26 박노길 Traction drive continuously various transmission having a four bar linkage and spherical rotors

Also Published As

Publication number Publication date
WO2009031797A2 (en) 2009-03-12
KR100799542B1 (en) 2008-02-01

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