NL153647B - Overbrenging bestaande uit een traploos variabele overbrengingseenheid. - Google Patents

Overbrenging bestaande uit een traploos variabele overbrengingseenheid.

Info

Publication number
NL153647B
NL153647B NL656515563A NL6515563A NL153647B NL 153647 B NL153647 B NL 153647B NL 656515563 A NL656515563 A NL 656515563A NL 6515563 A NL6515563 A NL 6515563A NL 153647 B NL153647 B NL 153647B
Authority
NL
Netherlands
Prior art keywords
transmission unit
variable transmission
stepless variable
gear consisting
gear
Prior art date
Application number
NL656515563A
Other languages
English (en)
Other versions
NL6515563A (nl
Original Assignee
Nat Res Dev
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 Nat Res Dev filed Critical Nat Res Dev
Publication of NL6515563A publication Critical patent/NL6515563A/xx
Publication of NL153647B publication Critical patent/NL153647B/nl

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/66Control 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
    • F16H61/664Friction gearings
    • F16H61/6648Friction gearings controlling of shifting being influenced by a signal derived from the engine and the main coupling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0833Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • F16H37/084Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
    • F16H37/086CVT using two coaxial friction members cooperating with at least one intermediate friction member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/02Control 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 characterised by the signals used
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H15/00Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04Gearings providing a continuous range of gear ratios
    • F16H15/06Gearings 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
    • F16H15/32Gearings 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
    • F16H15/36Gearings 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
    • F16H15/38Gearings 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
    • F16H2015/383Gearings 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0833Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • F16H37/084Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
    • F16H2037/088Power split variators with summing differentials, with the input of the CVT connected or connectable to the input shaft
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/66Control 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
    • F16H2061/6604Special control features generally applicable to continuously variable gearings
    • F16H2061/6614Control of ratio during dual or multiple pass shifting for enlarged ration coverage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2718/00Mechanisms for speed-change of planetary gearing, the speed change control being dependent on function parameters of the gearing
    • F16H2718/08Control dependent on speed

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
  • Transmission Devices (AREA)
  • Structure Of Transmissions (AREA)
NL656515563A 1964-12-01 1965-11-30 Overbrenging bestaande uit een traploos variabele overbrengingseenheid. NL153647B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB48737/64A GB1078791A (en) 1964-12-01 1964-12-01 Continuously variable ratio transmission system and control system therefor

Publications (2)

Publication Number Publication Date
NL6515563A NL6515563A (nl) 1966-06-02
NL153647B true NL153647B (nl) 1977-06-15

Family

ID=10449725

Family Applications (1)

Application Number Title Priority Date Filing Date
NL656515563A NL153647B (nl) 1964-12-01 1965-11-30 Overbrenging bestaande uit een traploos variabele overbrengingseenheid.

Country Status (6)

Country Link
US (1) US3406597A (nl)
DE (1) DE1500460B1 (nl)
FR (1) FR1464924A (nl)
GB (1) GB1078791A (nl)
NL (1) NL153647B (nl)
SE (2) SE356800B (nl)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1209322A (en) * 1967-06-30 1970-10-21 Nat Res Dev Infinitely variable transmission system
GB1228749A (nl) * 1967-10-10 1971-04-15
US3548682A (en) * 1968-10-10 1970-12-22 English Electric Co Ltd Vehicle transmission systems
US3574289A (en) * 1969-05-06 1971-04-13 Gen Motors Corp Transmission and control system
US3684065A (en) * 1970-11-23 1972-08-15 Gen Motors Corp Transmission and clutch control
US3739658A (en) * 1971-06-07 1973-06-19 Gen Motors Corp Transmission
DE2237595B1 (de) * 1972-07-31 1973-10-25 Hydromatik Gmbh, 7900 Ulm Uebersetzungsstellvorrichtung fuer ein aus einem verstellbaren hydrostatischen getriebeteil und einem nachgeordneten mechanischen lastschaltgetriebe bestehendes verbundgetriebe
FR2321641A1 (fr) * 1975-07-30 1977-03-18 Citroen Sa Perfectionnement a un dispositif de regulation du fonctionnement de la transmission d'un vehicule automobile comportant un variateur de vitesse et un inverseur
JPS5467847A (en) * 1977-11-10 1979-05-31 Kubota Ltd Running speed change gear for tractor
US4246806A (en) * 1978-01-16 1981-01-27 Sundstrand Corporation Multi-mode hydromechanical transmission shift system
JPS5517784A (en) * 1978-05-31 1980-02-07 British Leyland Cars Ltd Rolling friction type transmission device having continuous variable ratio
US4297918A (en) 1978-06-23 1981-11-03 National Research Development Corporation Control systems for steplessly-variable ratio transmissions
US4233851A (en) * 1979-05-04 1980-11-18 Vadetec Corporation Infinitely variable transmission unit and method
US4355547A (en) * 1979-05-30 1982-10-26 Bl Cars Limited Continuously variable ratio transmission
US4233859A (en) * 1979-10-01 1980-11-18 Vadetec Corporation Infinitely variable transmission unit and system incorporating same
US4354401A (en) * 1980-04-25 1982-10-19 Aisin Seiki Co., Ltd. Automatic transmission for automobiles
DE3020510A1 (de) * 1980-05-30 1981-12-10 Reinhard 4156 Willich Winkler Mechanisches getriebe
EP0043184B1 (en) * 1980-05-31 1985-02-20 Bl Technology Limited Control systems for continuously variable ratio transmissions
JPS57501039A (nl) * 1980-07-10 1982-06-10
US4587866A (en) * 1981-09-21 1986-05-13 The Garrett Corporation Constant speed drive system and planetary gear drive therefor
GB2108599A (en) * 1981-10-24 1983-05-18 Leyland Vehicles Vehicle transmission
EP0084724A1 (en) * 1981-12-30 1983-08-03 Leyland Vehicles Limited Vehicle transmission
GB2136893A (en) * 1983-03-22 1984-09-26 Leyland Vehicles Vehicle transmission system
GB2149866B (en) * 1983-11-17 1987-10-14 Nat Res Dev Continuously-variable ratio transmission
GB2150240B (en) * 1983-11-17 1987-03-25 Nat Res Dev Continuously-variable ratio transmission
GB8332237D0 (en) * 1983-12-02 1984-01-11 Leyland Vehicles Transmission system
GB8405034D0 (en) * 1984-02-27 1984-04-04 Fellows T G Drive systems for automobile vehicles
GB2154963A (en) * 1984-02-27 1985-09-18 Nat Res Dev Drive systems for automobile vehicles
GB2159591B (en) * 1984-05-30 1988-09-01 Nat Res Dev Improvements in or relating to continuously-variable-ratio transmissions
GB8429823D0 (en) * 1984-11-26 1985-01-03 Leyland Vehicles Continuously variable transmission
US4672863A (en) * 1985-04-17 1987-06-16 Toyota Jidosha Kabushiki Kaisha Method and apparatus for controlling power transmission system in an automotive vehicle
GB8522682D0 (en) * 1985-09-13 1985-10-16 Fellows T G Transmission systems
US4644820A (en) * 1986-02-03 1987-02-24 General Motors Corporation Geared-neutral continuously variable transmission
US4856371A (en) * 1987-03-12 1989-08-15 Tractiontec Corporation Traction drive transmission system
GB8720639D0 (en) * 1987-09-02 1987-10-07 Lcvt Ltd Continuously variable transmission
GB8808907D0 (en) * 1988-04-15 1988-05-18 Perry F G D Continuously variable transmission
GB8819430D0 (en) * 1988-08-16 1988-09-21 Greenwood C J Improvements in/relating to hydraulic control circuits for continuously-variable-ratio transmissions
US5423727A (en) * 1988-11-21 1995-06-13 Torotrak (Development) Limited Transmission of the toroidal-race rolling-traction type
GB8900210D0 (en) * 1989-01-06 1989-03-08 Fellows Thomas G Improvements in or relating to drivelines for wheeled vehicles
GB8927156D0 (en) * 1989-12-01 1990-01-31 Fellows Thomas G Improvements in or relating to transmissions of the toroidal-race rolling-traction type
GB9018082D0 (en) * 1990-08-17 1990-10-03 Fellows Thomas G Improvements in or relating to transmissions of the toroidal-race,rolling-traction type
GB9024987D0 (en) * 1990-11-16 1991-01-02 Greenwood Christopher J Improvements in or relating to variators for transmissions of the toroidal-race rolling-traction type
GB9026830D0 (en) * 1990-12-11 1991-01-30 Fellows Thomas G Improvements in or relating to continuously-variable-ratio transmissions of toroidal-race rolling-traction type
US5238460A (en) * 1991-02-28 1993-08-24 Mazda Motor Corporation Power transmission system for vehicle
GB9208363D0 (en) * 1992-04-16 1992-06-03 Greenwood Christopher J Improvements in or relating to control systems for drivelines including continuously-variable-ratio transmissions
CA2188880A1 (en) * 1995-03-24 1996-10-03 Jeong Cheol Kim Infinitely variable speed transmission
US6030310A (en) * 1996-04-19 2000-02-29 Torotrak (Development) Limited Variator control system
GB2312258A (en) * 1996-04-19 1997-10-22 Torotrak Dev Ltd CVT control system has regime change clutches controlled independently of variator
GB2312257A (en) * 1996-04-19 1997-10-22 Torotrak Dev Ltd Toroidal race variator control system varies end loading according to net pres sure
US5938557A (en) * 1996-04-19 1999-08-17 Torotrak (Development) Limited CVT Control System
US6171210B1 (en) * 1997-08-12 2001-01-09 Nsk Ltd. Toroidal type continuous variable transmission system
US5967931A (en) * 1998-02-02 1999-10-19 Ford Global Technologies, Inc. Torodial traction transmission for all wheel vehicles
US6126567A (en) * 1998-04-06 2000-10-03 Ford Global Technologies, Inc. Toroidal traction drive transmission having multiple speed inputs to a planetary gear unit
US5921882A (en) * 1998-04-06 1999-07-13 Ford Global Technologies, Inc. Dual cavity torodial traction drive transmission having multiple speed inputs to a planetary gear unit
JP3508689B2 (ja) * 1999-07-27 2004-03-22 日産自動車株式会社 変速比無限大無段変速機の制御装置
DE10013181A1 (de) * 2000-03-17 2001-09-20 Zahnradfabrik Friedrichshafen Getriebeeinheit
JP3458818B2 (ja) 2000-03-30 2003-10-20 日産自動車株式会社 変速比無限大無段変速機の制御装置
DE10021912A1 (de) * 2000-05-05 2001-11-08 Daimler Chrysler Ag Stufenloses Fahrzeuggetriebe
GB0326077D0 (en) * 2003-11-07 2003-12-10 Torotrak Dev Ltd Productionised hydraulics
GB0609333D0 (en) * 2006-05-11 2006-06-21 Zeroshift Ltd Engagement member actuator control
GB0510129D0 (en) * 2005-05-18 2005-06-22 Zeroshift Ltd Sequential hub layout
GB0513721D0 (en) 2005-07-05 2005-08-10 Torotrak Dev Ltd Ratio limiting arrangement
GB0623292D0 (en) * 2006-11-22 2007-01-03 Zeroshift Ltd Transmission system
GB0701057D0 (en) 2007-01-19 2007-02-28 Torotrak Dev Ltd Twin variator transmission arrangement
GB0717143D0 (en) * 2007-09-04 2007-10-17 Torotrak Dev Ltd Continuously variable transmission
WO2018129444A1 (en) * 2017-01-09 2018-07-12 Dana Limited Multi-mode non-synchronous mode shifting methods for a ball-type planetary transmission

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1817159A (en) * 1927-09-24 1931-08-04 Morison Inc Transmission mechanism
GB392570A (en) * 1931-08-19 1933-05-19 Improvements in or relating to variable-speed and other friction gearing
US2060884A (en) * 1933-09-19 1936-11-17 Erban Operating Corp Power transmission mechanism
US2101844A (en) * 1935-08-09 1937-12-14 Fraser George Holt Speed reducer and other transmission
US2108082A (en) * 1936-07-20 1938-02-15 John S Sharpe Transmission mechanism
US2283759A (en) * 1939-05-19 1942-05-19 Adiel Y Dodge Transmission
US2285431A (en) * 1939-07-19 1942-06-09 Grossenbacher Ernest Variable speed apparatus
DE887457C (de) * 1942-10-03 1953-08-24 Albrecht Dipl-Ing Maurer Stufenlos regelbares Getriebe fuer stetige Geschwindigkeitsregelung ueber einen beliebigen Drehzahlbereich bei gleichbleibender UEber-tragungsleistung, insbesondere fuerKraftfahrzeuge
US2716357A (en) * 1952-07-07 1955-08-30 Rennerfelt Sven Bernhard Continuously variable speed gears
US2833160A (en) * 1952-09-04 1958-05-06 Morgan Dev Lab Inc Transmissions
US2933952A (en) * 1956-07-16 1960-04-26 Rockwell Standard Co Vehicle drive trains
US2962909A (en) * 1959-01-29 1960-12-06 Avco Mfg Corp Roll positioning system for toroidal variable ratio transmissions
US3006206A (en) * 1959-02-05 1961-10-31 Gen Motors Corp Infinitely variable ratio transmission
GB959186A (en) * 1959-08-19 1964-05-27 Nat Res Dev Improvements in or relating to infinitely variable change speed gears
US3203276A (en) * 1961-02-23 1965-08-31 Iii Edward P Bullard Variable speed transmission
GB1013592A (en) * 1961-03-06 1965-12-15 Nat Res Dev Variable ratio transmission control system
US3122025A (en) * 1961-03-29 1964-02-25 Massey Ferguson Inc Tractor transmission
US3212358A (en) * 1962-01-16 1965-10-19 Lalio George M De Continuously variable power transmission
US3238816A (en) * 1962-04-24 1966-03-08 Roller Gear Ltd Variable speed transmission
GB1045278A (en) * 1962-09-26 1966-10-12 Dowty Hydraulic Units Ltd Power transmission
US3204486A (en) * 1963-03-06 1965-09-07 Lalio George M De Infinitely variable power transmission
US3202012A (en) * 1963-10-10 1965-08-24 Ford Motor Co Infinitely variable power transmission control system
US3244025A (en) * 1963-12-31 1966-04-05 Curtiss Wright Corp Automatic toroidal-type transmission
US3292449A (en) * 1964-09-10 1966-12-20 Gen Electric Power system control
US3306129A (en) * 1965-04-12 1967-02-28 Lalio George M De Extended range hydraulic transmission

Also Published As

Publication number Publication date
SE324937B (nl) 1970-06-15
US3406597A (en) 1968-10-22
DE1775908B2 (de) 1972-06-15
SE356800B (nl) 1973-06-04
DE1500460B1 (de) 1971-08-05
GB1078791A (en) 1967-08-09
NL6515563A (nl) 1966-06-02
FR1464924A (fr) 1967-01-06
DE1775908A1 (de) 1972-01-13

Similar Documents

Publication Publication Date Title
NL153647B (nl) Overbrenging bestaande uit een traploos variabele overbrengingseenheid.
DK139240B (da) Trinløst variabelt friktionsgear.
CH449365A (de) Zahnradgetriebe
CH450090A (de) Zahnradgetriebe
FR1424040A (fr) Transmission hydrostatique
FR1457945A (fr) Engrenage épicycloïdal
NL149583B (nl) Wrijvingsdrijfwerk met variabele overbrengingsverhouding.
NL151171B (nl) Wrijvingsdrijfwerk met een continu variabele overbrengingsverhouding.
FR1448845A (fr) Transmission hydrostatique
AT250428B (de) Zahnradwechselgetriebe
FR1500707A (fr) Perfectionnements aux transmissions
AT275260B (de) Zahnradgetriebe
CH463224A (de) Umlaufgetriebe
AT234456B (de) Stufenloses Reibungsgetriebe
NL138978B (nl) Dubbele tandwieloverbrenging.
CH441907A (de) Planetengetriebe
AT298901B (de) Zahnradgetriebe
CH487357A (de) Stufenlos regelbares Reibgetriebe
CH485148A (de) Stufenlos regelbares Getriebe
DK128752B (da) Tandhjulsudvekslingsmekanisme.
AT267987B (de) Zahnradgetriebe
CH415223A (de) Getriebe mit veränderlicher Übersetzung
DK106419C (da) Trinløst variabelt hydraulisk gear.
CA686344A (en) Infinitely variable cone pulley gear
FR1412679A (fr) Engrenage planétaire

Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: NAT RESEARCH

V4 Discontinued because of reaching the maximum lifetime of a patent