JPH0440575B2 - - Google Patents

Info

Publication number
JPH0440575B2
JPH0440575B2 JP59051263A JP5126384A JPH0440575B2 JP H0440575 B2 JPH0440575 B2 JP H0440575B2 JP 59051263 A JP59051263 A JP 59051263A JP 5126384 A JP5126384 A JP 5126384A JP H0440575 B2 JPH0440575 B2 JP H0440575B2
Authority
JP
Japan
Prior art keywords
control
torque
cylinder
trunnion
valve
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 - Lifetime
Application number
JP59051263A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59175665A (ja
Inventor
Edowaado Kurausu Chaaruzu
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.)
NSK Ltd
Original Assignee
NSK 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 NSK Ltd filed Critical NSK Ltd
Publication of JPS59175665A publication Critical patent/JPS59175665A/ja
Publication of JPH0440575B2 publication Critical patent/JPH0440575B2/ja
Granted 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
    • 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
    • F16H61/6648—Friction gearings controlling of shifting being influenced by a signal derived from the engine and the main coupling
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Friction Gearing (AREA)
JP59051263A 1983-03-18 1984-03-19 牽引ロ−ラ無段変速機速度制御装置 Granted JPS59175665A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US476814 1983-03-18
US06/476,814 US4526051A (en) 1983-03-18 1983-03-18 Infinitely variable traction roller transmission speed control arrangement

Publications (2)

Publication Number Publication Date
JPS59175665A JPS59175665A (ja) 1984-10-04
JPH0440575B2 true JPH0440575B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-07-03

Family

ID=23893365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59051263A Granted JPS59175665A (ja) 1983-03-18 1984-03-19 牽引ロ−ラ無段変速機速度制御装置

Country Status (2)

Country Link
US (1) US4526051A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS59175665A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8320608D0 (en) * 1983-07-30 1983-09-01 Leyland Vehicles Hydraulic control system
JPS6044657A (ja) * 1983-08-19 1985-03-09 Nippon Seiko Kk 無段変速機の制御装置
JPS6131755A (ja) * 1984-07-20 1986-02-14 Nippon Seiko Kk トロイダル形無段変速機の変速比制御装置
US4702118A (en) * 1986-09-22 1987-10-27 Excelermatic Inc. Hydraulically controlled infinitely variable traction roller transmission
US4830578A (en) * 1987-10-26 1989-05-16 Excelermatic Inc. Hydraulic control arrangement for an infinitely variable transmission drive
JP2715444B2 (ja) * 1988-05-17 1998-02-18 日産自動車株式会社 トロイダル式無段変速機
JP2734583B2 (ja) * 1988-12-16 1998-03-30 日産自動車株式会社 無段変速機の変速制御装置
US4911030A (en) * 1989-01-30 1990-03-27 Excelermatic Inc. Traction roller transmission ratio control arrangement
JP3007158B2 (ja) * 1992-12-30 2000-02-07 ヒュンダイ モーター カンパニー 自動変速機用液圧制御システムの変速制御装置
GB9505346D0 (en) * 1995-03-16 1995-05-03 Fellows Thomas G Improvements in or relating to continuously-variable-ratio transmissions
DE19754725A1 (de) 1997-12-10 1999-06-17 Zahnradfabrik Friedrichshafen Stufenloses Reibradgetriebe
US8342148B2 (en) * 2006-01-20 2013-01-01 Ford Global Technologies Throttle valve for internal combustion engine
ES2326016B1 (es) * 2008-02-15 2010-07-13 Antonio Delgado Garcia Caja de cambios de variacion continua.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1013592A (en) * 1961-03-06 1965-12-15 Nat Res Dev Variable ratio transmission control system
US4091690A (en) * 1976-09-28 1978-05-30 Aisin Seiki Kabushiki Kaisha Method for controlling continuously variable drive ratio transmissions and a system therefor
US4297918A (en) * 1978-06-23 1981-11-03 National Research Development Corporation Control systems for steplessly-variable ratio transmissions
US4275610A (en) * 1979-02-08 1981-06-30 Excelermatic Inc. Infinitely variable traction roller transmission
US4270415A (en) * 1979-03-12 1981-06-02 Textron Inc. Traction-drive transmission with hydraulic control
US4434675A (en) * 1981-09-11 1984-03-06 Excelermatic Inc. Transmission ratio control arrangement for a precess cam controlled infinitely variable traction roller transmission
US4499782A (en) * 1981-10-05 1985-02-19 National Research Development Corporation Transmission units of the toroidal race rolling friction type
GB2108600A (en) * 1981-10-24 1983-05-18 Leyland Vehicles Continuously-variable-ratio transmisson
US4444068A (en) * 1982-01-26 1984-04-24 Excelermatic Inc. Infinitely variable traction roller transmission

Also Published As

Publication number Publication date
JPS59175665A (ja) 1984-10-04
US4526051A (en) 1985-07-02

Similar Documents

Publication Publication Date Title
US4241618A (en) Variable pulley transmission
US6217477B1 (en) Automatic transmission control system
US4507986A (en) Control system for motor vehicle
US5980420A (en) Control system for toroidal type continuously variable transmission
US7568996B2 (en) Speed-ratio control apparatus for vehicular continuously variable transmission
US4543077A (en) Method and apparatus for controlling continuously variable V-belt transmission
US4467674A (en) Control of an infinitely variable transmission of a motor vehicle
US10844951B2 (en) Control for torque converter having multiple selectively engageable converter couplers
US4228691A (en) Variable pulley transmission
JPH0440575B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US6030311A (en) Control system for a continuously variable transmission
JPH11132308A (ja) 伝動装置
JPH0247627B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US2692511A (en) Automatic gear
US3886819A (en) Transmission shift control
JP4608102B2 (ja) 無段変速式の伝動装置のためのハイドロリック制御装置
US4167853A (en) Automatic control for a hydrostatic vehicle transmission
USRE31361E (en) Variable pulley transmission
US4111073A (en) Progressively variable transmission
US4693144A (en) Control valve system for a continuously variable belt drive
JPH0155700B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS61206862A (ja) 無段可変伝動装置
JPS6095254A (ja) 電子制御式無段変速装置
CA1135079A (en) Variable pulley transmission
JP2637751B2 (ja) トロイダル型無段変速機