GB649711A - Toric disc variable-speed friction gear - Google Patents

Toric disc variable-speed friction gear

Info

Publication number
GB649711A
GB649711A GB10532/47A GB1053247A GB649711A GB 649711 A GB649711 A GB 649711A GB 10532/47 A GB10532/47 A GB 10532/47A GB 1053247 A GB1053247 A GB 1053247A GB 649711 A GB649711 A GB 649711A
Authority
GB
United Kingdom
Prior art keywords
discs
balance
roller
toric
driving
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
Application number
GB10532/47A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB649711A publication Critical patent/GB649711A/en
Expired 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
    • 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
    • F16H2015/386—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 series

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)

Abstract

649,711. Variable-speed friction gear. HOLDING METAPIC. Nov. 12, 1947, No. 10532. Convention date; Nov. 9, 1943. [Class 80(ii)] To balance load-reactions, driving and driven toric friction discs 10, 16 are drivingly connected by pairs of friction rollers 34, which are in driving contact with each other on conical tracks 5 and with the toric discs on different curved tracks 7, the mean points of the three contact-zones lying on a straight line. The discs 10, 16 rotate in the same direction, but opposite rotation may be obtained by means of an additional roller-set. In the spinning- frame drive shown, the toric discs 16, 10 are respectively in driving relation with a driven shaft 17 and a driving sleeve 11 carrying fast and loose pulleys 13, 14, the discs being urged axially together by torque-responsive end-loading 40. The roller-pairs 34 are mounted in housings 24, which, for varying the speed-ratio, pivot in a fixed frame 21, and are connected for movement in unison by bevel-toothed segments 25, one housing 24 being operated by a control-lever 27. To permit load-balance between the roller-pairs, the spindles 36 of each roller are mounted in sub-frames 33 bearing at 31, 32 in balance-beams 30 having inner spindles 29, concentric with the spindles 28 of the main housings 24, in relation to which they may be adjusted by set-screws 39 acting on one balancebeam 30 of each pair, the other being free to swing to permit load-balance.
GB10532/47A 1943-11-09 1947-11-12 Toric disc variable-speed friction gear Expired GB649711A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE649711X 1943-11-09

Publications (1)

Publication Number Publication Date
GB649711A true GB649711A (en) 1951-01-31

Family

ID=3876694

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10532/47A Expired GB649711A (en) 1943-11-09 1947-11-12 Toric disc variable-speed friction gear

Country Status (1)

Country Link
GB (1) GB649711A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011041851A1 (en) 2009-10-08 2011-04-14 Durack M J Full toroidal traction drive

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011041851A1 (en) 2009-10-08 2011-04-14 Durack M J Full toroidal traction drive
EP2486306A4 (en) * 2009-10-08 2016-03-30 Ultimate Transmissions Pty Ltd Full toroidal traction drive

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