NL164648B - FRICTION GEAR WITH VARIABLE TRANSMISSION RATIO WITH AUTOMATIC CONSTANTLY OUTPUT SPEED. - Google Patents

FRICTION GEAR WITH VARIABLE TRANSMISSION RATIO WITH AUTOMATIC CONSTANTLY OUTPUT SPEED.

Info

Publication number
NL164648B
NL164648B NL7210390A NL7210390A NL164648B NL 164648 B NL164648 B NL 164648B NL 7210390 A NL7210390 A NL 7210390A NL 7210390 A NL7210390 A NL 7210390A NL 164648 B NL164648 B NL 164648B
Authority
NL
Netherlands
Prior art keywords
variable transmission
transmission ratio
output speed
friction gear
constantly output
Prior art date
Application number
NL7210390A
Other languages
Dutch (nl)
Other versions
NL7210390A (en
Original Assignee
Lucas Industries 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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of NL7210390A publication Critical patent/NL7210390A/xx
Publication of NL164648B publication Critical patent/NL164648B/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
    • F16H15/06—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
    • F16H61/6646—Friction gearings controlling shifting exclusively as a function of speed
    • 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
    • F16H2015/383—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 with two or more sets of toroid gearings arranged in parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
  • Control Of Transmission Device (AREA)
NL7210390A 1971-07-27 1972-07-27 FRICTION GEAR WITH VARIABLE TRANSMISSION RATIO WITH AUTOMATIC CONSTANTLY OUTPUT SPEED. NL164648B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3531871A GB1392707A (en) 1971-07-27 1971-07-27 Variable-ratio frictional drive gears

Publications (2)

Publication Number Publication Date
NL7210390A NL7210390A (en) 1973-01-30
NL164648B true NL164648B (en) 1980-08-15

Family

ID=10376364

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7210390A NL164648B (en) 1971-07-27 1972-07-27 FRICTION GEAR WITH VARIABLE TRANSMISSION RATIO WITH AUTOMATIC CONSTANTLY OUTPUT SPEED.

Country Status (7)

Country Link
JP (1) JPS5718057B1 (en)
DE (1) DE2236290C3 (en)
FR (1) FR2147720A5 (en)
GB (1) GB1392707A (en)
IT (1) IT961680B (en)
NL (1) NL164648B (en)
SE (1) SE370775B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2961754D1 (en) * 1978-05-31 1982-02-25 British Leyland Cars Ltd Control circuit for a continuously variable ratio transmission
US4499782A (en) * 1981-10-05 1985-02-19 National Research Development Corporation Transmission units of the toroidal race rolling friction type
JPH0848154A (en) * 1995-06-12 1996-02-20 Yanmar Diesel Engine Co Ltd Working vehicle
JPH0848155A (en) * 1995-06-12 1996-02-20 Yanmar Diesel Engine Co Ltd Working vehicle
EP1337770A1 (en) * 2000-11-29 2003-08-27 Torotrak (Development) Limited Roller control unit

Also Published As

Publication number Publication date
GB1392707A (en) 1975-04-30
FR2147720A5 (en) 1973-03-09
IT961680B (en) 1973-12-10
DE2236290C3 (en) 1979-02-15
SE370775B (en) 1974-10-28
NL7210390A (en) 1973-01-30
DE2236290B2 (en) 1978-06-22
JPS5718057B1 (en) 1982-04-14
DE2236290A1 (en) 1973-02-08

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee