GB772749A - An improvement in or relating to steplessly variable speed gears - Google Patents

An improvement in or relating to steplessly variable speed gears

Info

Publication number
GB772749A
GB772749A GB2723754A GB2723754A GB772749A GB 772749 A GB772749 A GB 772749A GB 2723754 A GB2723754 A GB 2723754A GB 2723754 A GB2723754 A GB 2723754A GB 772749 A GB772749 A GB 772749A
Authority
GB
United Kingdom
Prior art keywords
relating
improvement
variable speed
speed gears
steplessly variable
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
GB2723754A
Inventor
Ernest Brook
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.)
David Brown and Sons Huddersfield Ltd
Original Assignee
David Brown and Sons Huddersfield 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 David Brown and Sons Huddersfield Ltd filed Critical David Brown and Sons Huddersfield Ltd
Priority to GB2723754A priority Critical patent/GB772749A/en
Publication of GB772749A publication Critical patent/GB772749A/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
    • F16H15/26—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 spherical friction surface centered on its axis of revolution
    • F16H15/28—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 spherical friction surface centered on its axis of revolution with external friction surface

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
GB2723754A 1954-09-21 1954-09-21 An improvement in or relating to steplessly variable speed gears Expired GB772749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2723754A GB772749A (en) 1954-09-21 1954-09-21 An improvement in or relating to steplessly variable speed gears

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2723754A GB772749A (en) 1954-09-21 1954-09-21 An improvement in or relating to steplessly variable speed gears

Publications (1)

Publication Number Publication Date
GB772749A true GB772749A (en) 1957-04-17

Family

ID=10256327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2723754A Expired GB772749A (en) 1954-09-21 1954-09-21 An improvement in or relating to steplessly variable speed gears

Country Status (1)

Country Link
GB (1) GB772749A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1550647B1 (en) * 1965-10-27 1972-03-09 Hiroji Azuma SWITCHING DEVICE FOR A CONTINUOUSLY CONTROLLED FRICTION WHEEL GEAR
WO2007077502A1 (en) * 2005-12-30 2007-07-12 Fallbrook Technologies Inc. A continuously variable gear transmission
US11125329B2 (en) 2007-11-16 2021-09-21 Fallbrook Intellectual Property Company Llc Controller for variable transmission
US11174922B2 (en) 2019-02-26 2021-11-16 Fallbrook Intellectual Property Company Llc Reversible variable drives and systems and methods for control in forward and reverse directions
US11215268B2 (en) 2018-11-06 2022-01-04 Fallbrook Intellectual Property Company Llc Continuously variable transmissions, synchronous shifting, twin countershafts and methods for control of same
US11306818B2 (en) 2016-01-15 2022-04-19 Fallbrook Intellectual Property Company Llc Systems and methods for controlling rollback in continuously variable transmissions
US11454303B2 (en) 2005-12-09 2022-09-27 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US11667351B2 (en) 2016-05-11 2023-06-06 Fallbrook Intellectual Property Company Llc Systems and methods for automatic configuration and automatic calibration of continuously variable transmissions and bicycles having continuously variable transmission

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1550647B1 (en) * 1965-10-27 1972-03-09 Hiroji Azuma SWITCHING DEVICE FOR A CONTINUOUSLY CONTROLLED FRICTION WHEEL GEAR
US11454303B2 (en) 2005-12-09 2022-09-27 Fallbrook Intellectual Property Company Llc Continuously variable transmission
WO2007077502A1 (en) * 2005-12-30 2007-07-12 Fallbrook Technologies Inc. A continuously variable gear transmission
EP1811202A1 (en) * 2005-12-30 2007-07-25 Fallbrook Technologies, Inc. A continuously variable gear transmission
US11598397B2 (en) 2005-12-30 2023-03-07 Fallbrook Intellectual Property Company Llc Continuously variable gear transmission
US11125329B2 (en) 2007-11-16 2021-09-21 Fallbrook Intellectual Property Company Llc Controller for variable transmission
US11306818B2 (en) 2016-01-15 2022-04-19 Fallbrook Intellectual Property Company Llc Systems and methods for controlling rollback in continuously variable transmissions
US11667351B2 (en) 2016-05-11 2023-06-06 Fallbrook Intellectual Property Company Llc Systems and methods for automatic configuration and automatic calibration of continuously variable transmissions and bicycles having continuously variable transmission
US11215268B2 (en) 2018-11-06 2022-01-04 Fallbrook Intellectual Property Company Llc Continuously variable transmissions, synchronous shifting, twin countershafts and methods for control of same
US11624432B2 (en) 2018-11-06 2023-04-11 Fallbrook Intellectual Property Company Llc Continuously variable transmissions, synchronous shifting, twin countershafts and methods for control of same
US11174922B2 (en) 2019-02-26 2021-11-16 Fallbrook Intellectual Property Company Llc Reversible variable drives and systems and methods for control in forward and reverse directions
US11530739B2 (en) 2019-02-26 2022-12-20 Fallbrook Intellectual Property Company Llc Reversible variable drives and systems and methods for control in forward and reverse directions

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