GB995258A - Variable speed-ratio toroidal transmission - Google Patents

Variable speed-ratio toroidal transmission

Info

Publication number
GB995258A
GB995258A GB8840/62A GB884062A GB995258A GB 995258 A GB995258 A GB 995258A GB 8840/62 A GB8840/62 A GB 8840/62A GB 884062 A GB884062 A GB 884062A GB 995258 A GB995258 A GB 995258A
Authority
GB
United Kingdom
Prior art keywords
rollers
roller
loading
pressure
shaft
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
GB8840/62A
Other languages
English (en)
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.)
Excelermatic Inc
Original Assignee
Excelermatic Inc
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 Excelermatic Inc filed Critical Excelermatic Inc
Publication of GB995258A publication Critical patent/GB995258A/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
    • F16H13/00—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members
    • F16H13/10—Means for influencing the pressure between the members
    • 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
    • F16H13/00—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members
    • F16H13/10—Means for influencing the pressure between the members
    • F16H13/14—Means for influencing the pressure between the members for automatically varying the pressure mechanically
    • 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
    • F16H61/6647—Friction gearings controlling shifting exclusively as a function of torque

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
GB8840/62A 1961-03-08 1962-03-07 Variable speed-ratio toroidal transmission Expired GB995258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94188A US3087348A (en) 1961-03-08 1961-03-08 Variable speed-ratio toroidal transmission

Publications (1)

Publication Number Publication Date
GB995258A true GB995258A (en) 1965-06-16

Family

ID=22243685

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8840/62A Expired GB995258A (en) 1961-03-08 1962-03-07 Variable speed-ratio toroidal transmission

Country Status (6)

Country Link
US (1) US3087348A (OSRAM)
BE (1) BE629125A (OSRAM)
DE (1) DE1217165B (OSRAM)
FR (1) FR1317081A (OSRAM)
GB (1) GB995258A (OSRAM)
NL (1) NL290855A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0097526A1 (en) * 1982-06-23 1984-01-04 National Research Development Corporation Improvements in or relating to transmission units of the toroidal race rolling friction type

Families Citing this family (80)

* Cited by examiner, † Cited by third party
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US3142189A (en) * 1963-02-20 1964-07-28 Curtiss Wright Corp Ratio control for toroidal transmission
US3142190A (en) * 1963-02-20 1964-07-28 Curtiss Wright Corp Ratio control system for toroidal transmission
DE1232429B (de) * 1963-05-03 1967-01-12 Nat Res Dev Schwenkrollengetriebe
US3163050A (en) * 1963-06-19 1964-12-29 Excelermatic Toroidal transmission bearing means
US3299744A (en) * 1963-09-04 1967-01-24 Excelermatic Toroidal-type transmission
US3184983A (en) * 1963-10-30 1965-05-25 Excelermatic Toroidal transmission mechanism with torque loading cam means
GB1026734A (en) * 1964-01-01 1966-04-20 Nat Res Dev Improvements in or relating to continuously variable ratio transmission units
GB1032004A (en) * 1964-05-01 1966-06-08 Nat Res Dev Improvements in or relating to toric race transmission units
US3810398A (en) * 1972-11-16 1974-05-14 Tracor Toric transmission with hydraulic controls and roller damping means
US4098146A (en) * 1976-09-10 1978-07-04 Textron Inc. Traction-drive transmission
US4185509A (en) * 1976-09-10 1980-01-29 Textron Inc. Traction-drive transmission
US4280369A (en) * 1978-07-21 1981-07-28 Vadetec Corporation Ball/ramp system for torque transmission
FR2518206A1 (fr) * 1981-12-14 1983-06-17 Nippon Seiko Kk Dispositif de transmission a galets d'entrainement, a variation continue
US4428246A (en) 1981-12-31 1984-01-31 Excelermatic Inc. Infinitely variable traction roller transmission
US4444068A (en) * 1982-01-26 1984-04-24 Excelermatic Inc. Infinitely variable traction roller transmission
US4463620A (en) * 1982-09-07 1984-08-07 Excelermatic Inc. Infinitely variable traction roller transmission
US4484487A (en) * 1983-01-03 1984-11-27 Excelermatic Inc. Hydraulically controlled infinitely variable traction roller transmission
US4464946A (en) * 1983-01-26 1984-08-14 Excelermatic Inc. Control arrangement for the supply of lubricant to the bearings of an infinitely variable traction roller transmission
US4554841A (en) * 1983-11-04 1985-11-26 Nippon Seiko Kabushiki Kaisha Speed control device of a toric type infinitely variable transmission
FR2554897B1 (fr) * 1983-11-10 1988-10-07 Nippon Seiko Kk Dispositif de commande de vitesse pour transmission de type torique a variation continue
US4576055A (en) * 1984-08-15 1986-03-18 Excelermatic, Inc. Hydraulically controlled infinitely variable traction roller transmission
US4702118A (en) * 1986-09-22 1987-10-27 Excelermatic Inc. Hydraulically controlled infinitely variable traction roller transmission
US4730504A (en) * 1986-12-29 1988-03-15 Excelermatic Inc. Axial cam structure
JP2604422B2 (ja) * 1988-05-24 1997-04-30 日産自動車 株式会社 トロイダル式無段変速機のローディングガム装置
US5138894A (en) * 1992-01-06 1992-08-18 Excelermatic Inc. Axial loading cam arrangement in or for a traction roller transmission
JP2578448Y2 (ja) * 1992-03-13 1998-08-13 日産自動車株式会社 ローディングカム装置
US5330396A (en) * 1992-12-16 1994-07-19 The Torax Company, Inc. Loading device for continuously variable transmission
US5540631A (en) * 1992-12-16 1996-07-30 The Torax Company, Inc. Continuously variable transmission with a hydraulic control system
GB2274690B (en) * 1993-02-02 1996-05-01 Nsk Ltd Toroidal type continuously variable transmission
US5299987A (en) * 1993-04-08 1994-04-05 Exceleramatic Inc. Infinitely variable traction roller transmission
JP3477764B2 (ja) * 1993-11-02 2003-12-10 日本精工株式会社 ハーフトロイダル型無段変速機
GB9505346D0 (en) * 1995-03-16 1995-05-03 Fellows Thomas G Improvements in or relating to continuously-variable-ratio transmissions
GB9727295D0 (en) * 1997-12-24 1998-02-25 Torotrak Dev Ltd Improvements in or relating to steplessly-variable-ratio transmission apparatus
DE19820071A1 (de) * 1998-05-06 1999-11-11 Zahnradfabrik Friedrichshafen Stufenloses Reibradgetriebe
JP3912222B2 (ja) * 2002-08-07 2007-05-09 日産自動車株式会社 トロイダル型無段変速機のパワーローラ支持構造
BR0307188A (pt) * 2003-01-06 2005-08-23 Ulrich Ing Rohs Dispositivo de prensagem, para tensão de dois membros de transmissão, e transmissão com um dispositivo de prensagem do tipo citado, bem como processo para o funcionamento de uma transmissão por fricção deste tipo
DE10348718A1 (de) * 2003-06-17 2005-06-30 Ulrich Dr.-Ing. Rohs Anpresseinrichtung zum Verspannen zweier Getriebeglieder und Getriebe mit einer derartigen Anpresseinrichtung
CN101832374B (zh) * 2003-01-06 2012-05-23 乌尔里克·罗斯 锥形摩擦传动机构以及使该锥形摩擦传动机构运行的方法
DE10394038D2 (de) * 2003-01-06 2005-09-15 Ulrich Rohs Anpresseinrichtung zum Verspannen zweier Getriebeglieder und Getriebe mit einer derartigen Anpresseinrichtung sowie Verfahren zum Betrieb eines derartigen Reibgetriebes
US7011600B2 (en) 2003-02-28 2006-03-14 Fallbrook Technologies Inc. Continuously variable transmission
WO2004113766A1 (de) 2003-06-17 2004-12-29 Ulrich Rohs Reibringgetriebe sowie verfahren zum betrieb eines derartigen reibringgetriebes
WO2005008101A1 (de) * 2003-07-11 2005-01-27 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Variatorscheibe und variator für ein toroidgetriebe
GB0326205D0 (en) * 2003-11-11 2003-12-17 Torotrak Dev Ltd Asymmetric roller crown
MX2007003828A (es) * 2004-10-05 2007-04-20 Fallbrook Technologies Inc Transmision continuamente variable.
US7632203B2 (en) 2005-10-28 2009-12-15 Fallbrook Technologies Inc. Electromotive drives
PL1954959T3 (pl) 2005-11-22 2013-10-31 Fallbrook Ip Co Llc Przekładnia bezstopniowa
KR101317329B1 (ko) * 2005-12-09 2013-10-15 폴브룩 테크놀로지즈 인크 연속 가변 변속기
EP1811202A1 (en) 2005-12-30 2007-07-25 Fallbrook Technologies, Inc. A continuously variable gear transmission
US7882762B2 (en) 2006-01-30 2011-02-08 Fallbrook Technologies Inc. System for manipulating a continuously variable transmission
US7770674B2 (en) 2006-03-14 2010-08-10 Fallbrook Technologies Inc. Wheel chair
CN102278200B (zh) 2006-06-26 2014-05-14 福博科知识产权有限责任公司 无级变速器
US8376903B2 (en) 2006-11-08 2013-02-19 Fallbrook Intellectual Property Company Llc Clamping force generator
US8738255B2 (en) * 2007-02-01 2014-05-27 Fallbrook Intellectual Property Company Llc Systems and methods for control of transmission and/or prime mover
CN104121345B (zh) 2007-02-12 2017-01-11 福博科知识产权有限责任公司 无级变速器及其方法
WO2008101070A2 (en) 2007-02-16 2008-08-21 Fallbrook Technologies Inc. Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
EP2142826B1 (en) 2007-04-24 2015-10-28 Fallbrook Intellectual Property Company LLC Electric traction drives
WO2008154437A1 (en) 2007-06-11 2008-12-18 Fallbrook Technologies Inc. Continuously variable transmission
CA2983530A1 (en) 2007-07-05 2009-01-08 Fallbrook Intellectual Property Company, Llc Continuously variable transmission
CN101861482B (zh) 2007-11-16 2014-05-07 福博科知识产权有限责任公司 用于变速传动装置的控制器
CA2708634C (en) 2007-12-21 2017-08-01 Fallbrook Technologies Inc. Automatic transmissions and methods therefor
US8313405B2 (en) * 2008-02-29 2012-11-20 Fallbrook Intellectual Property Company Llc Continuously and/or infinitely variable transmissions and methods therefor
US8317651B2 (en) 2008-05-07 2012-11-27 Fallbrook Intellectual Property Company Llc Assemblies and methods for clamping force generation
JP5457438B2 (ja) 2008-06-06 2014-04-02 フォールブルック インテレクチュアル プロパティー カンパニー エルエルシー 無限可変変速機、及び無限可変変速機用の制御システム
US8398518B2 (en) 2008-06-23 2013-03-19 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US8818661B2 (en) 2008-08-05 2014-08-26 Fallbrook Intellectual Property Company Llc Methods for control of transmission and prime mover
JP4539765B2 (ja) * 2008-08-08 2010-09-08 トヨタ自動車株式会社 トロイダル式無段変速機
US8469856B2 (en) 2008-08-26 2013-06-25 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US8167759B2 (en) 2008-10-14 2012-05-01 Fallbrook Technologies Inc. Continuously variable transmission
KR101763655B1 (ko) 2009-04-16 2017-08-01 폴브룩 인텔렉츄얼 프로퍼티 컴퍼니 엘엘씨 무단 변속기를 위한 고정자 조립체 및 시프팅 장치
GB2474870A (en) * 2009-10-29 2011-05-04 Torotrak Dev Ltd Infinitely variable transmission
US8512195B2 (en) 2010-03-03 2013-08-20 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US8888643B2 (en) 2010-11-10 2014-11-18 Fallbrook Intellectual Property Company Llc Continuously variable transmission
WO2012138610A1 (en) 2011-04-04 2012-10-11 Fallbrook Intellectual Property Company Llc Auxiliary power unit having a continuously variable transmission
JP6175450B2 (ja) 2012-01-23 2017-08-02 フォールブルック インテレクチュアル プロパティー カンパニー エルエルシー 無限可変変速機、連続可変変速機、方法、組立体、部分組立体およびその構成要素
KR102433297B1 (ko) 2013-04-19 2022-08-16 폴브룩 인텔렉츄얼 프로퍼티 컴퍼니 엘엘씨 무단 변속기
US10047861B2 (en) 2016-01-15 2018-08-14 Fallbrook Intellectual Property Company Llc Systems and methods for controlling rollback in continuously variable transmissions
AU2017234934A1 (en) 2016-03-18 2018-10-04 Fallbrook Intellectual Property Company Llc Continuously variable transmissions systems and methods
US10023266B2 (en) 2016-05-11 2018-07-17 Fallbrook Intellectual Property Company Llc Systems and methods for automatic configuration and automatic calibration of continuously variable transmissions and bicycles having continuously variable transmissions
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
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

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US1698229A (en) * 1925-06-29 1929-01-08 Frank A Hayes Variable-speed transmission mechanism
US2201176A (en) * 1937-08-05 1940-05-21 Hayes Frank Anderson Variable speed power transmission mechanism
US2446409A (en) * 1945-01-08 1948-08-03 Allan Chilton Torque responsive transmission means
US2748614A (en) * 1953-06-23 1956-06-05 Zenas V Weisel Variable speed transmission
US2959063A (en) * 1956-09-11 1960-11-08 Perbury Engineering Ltd Infinitely variable change speed gears
DE1081733B (de) 1958-07-19 1960-05-12 Reimers Getriebe K G Steuereinrichtung an stufenlos verstellbaren Getrieben mit zwischen axial verschiebbaren Kegelscheibenpaaren laufenden Zugmittelstraengen und hydraulischer Verstelleinrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0097526A1 (en) * 1982-06-23 1984-01-04 National Research Development Corporation Improvements in or relating to transmission units of the toroidal race rolling friction type
US4570501A (en) * 1982-06-23 1986-02-18 National Research Development Corporation Transmission units of toroidal race rolling friction type

Also Published As

Publication number Publication date
US3087348A (en) 1963-04-30
BE629125A (OSRAM)
FR1317081A (fr) 1963-02-01
NL290855A (OSRAM)
DE1217165B (de) 1966-05-18
DE1217165C2 (OSRAM) 1966-12-01

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