JPS6324188B2 - - Google Patents

Info

Publication number
JPS6324188B2
JPS6324188B2 JP55069615A JP6961580A JPS6324188B2 JP S6324188 B2 JPS6324188 B2 JP S6324188B2 JP 55069615 A JP55069615 A JP 55069615A JP 6961580 A JP6961580 A JP 6961580A JP S6324188 B2 JPS6324188 B2 JP S6324188B2
Authority
JP
Japan
Prior art keywords
pressure
valve
speed ratio
port
line
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
JP55069615A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56167946A (en
Inventor
Tomio Oguma
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.)
Aisin Corp
Original Assignee
Aisin Seiki Co 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 Aisin Seiki Co Ltd filed Critical Aisin Seiki Co Ltd
Priority to JP6961580A priority Critical patent/JPS56167946A/ja
Priority to US06/267,558 priority patent/US4466312A/en
Priority to DE3121160A priority patent/DE3121160A1/de
Publication of JPS56167946A publication Critical patent/JPS56167946A/ja
Publication of JPS6324188B2 publication Critical patent/JPS6324188B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Transmission Device (AREA)
JP6961580A 1980-05-27 1980-05-27 Speed ratio controller for stepless transmission Granted JPS56167946A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP6961580A JPS56167946A (en) 1980-05-27 1980-05-27 Speed ratio controller for stepless transmission
US06/267,558 US4466312A (en) 1980-05-27 1981-05-27 System for controlling transmission ratio of transmission for automotive vehicles
DE3121160A DE3121160A1 (de) 1980-05-27 1981-05-27 "steuervorrichtung zur steuerung des uebersetzungsverhaeltnisses eines getriebes fuer ein kraftfahrzeug"

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6961580A JPS56167946A (en) 1980-05-27 1980-05-27 Speed ratio controller for stepless transmission

Publications (2)

Publication Number Publication Date
JPS56167946A JPS56167946A (en) 1981-12-23
JPS6324188B2 true JPS6324188B2 (cs) 1988-05-19

Family

ID=13407938

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6961580A Granted JPS56167946A (en) 1980-05-27 1980-05-27 Speed ratio controller for stepless transmission

Country Status (1)

Country Link
JP (1) JPS56167946A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9005969D0 (en) * 1990-03-16 1990-05-09 Lambert David R Improvements in or relating to hydraulic control systems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53134162A (en) * 1977-04-28 1978-11-22 Philips Nv Power transmission gear for vehicle* electronic control system thereof* and vehicle with both
DE2961754D1 (en) * 1978-05-31 1982-02-25 British Leyland Cars Ltd Control circuit for a continuously variable ratio transmission

Also Published As

Publication number Publication date
JPS56167946A (en) 1981-12-23

Similar Documents

Publication Publication Date Title
US4091690A (en) Method for controlling continuously variable drive ratio transmissions and a system therefor
US4522086A (en) Control system for continuously variable transmission
US3898807A (en) Hydrostatic transmission control system
US4867732A (en) Control device for belt-and-pulley type continuously variable transmission for a vehicle
US4368653A (en) Hydromechanical transmission
US4466312A (en) System for controlling transmission ratio of transmission for automotive vehicles
EP0240178A2 (en) Method of controlling a continuously variable automotive transmission
CA1293908C (en) Control device for a continuously variable transmission for motor vehicles
US3949627A (en) Fluid pressure control system for automatic fluid transmissions
US6287232B1 (en) Non-finite speed ratio continuously variable transmission device
US4967610A (en) Method of controlling speed reduction ratio for continuously variable speed transmission
EP0061736A2 (en) Continuously variable V-belt transmission including hydrodynamic transmission unit with lock-up means
JPH04370468A (ja) 車両用無段変速機の変速制御方法
US3886819A (en) Transmission shift control
US3952614A (en) Automatic power transmission hydraulic control throttle valve
JPH023071B2 (cs)
US3977424A (en) Differential pressure regulator valve for a hydrostatic transmission control system
US4006652A (en) Fluid pressure control system for motor vehicle transmissions
JPS6123414B2 (cs)
US3895547A (en) Transmission control system
US4394827A (en) Transmission control system with modified friction engaging mechanism actuating pressure
US3896685A (en) Transmission control for a transmission having one drive establishing device for two independent drive functions
US6409625B1 (en) Controller of toroidal continuously variable transmission
US3587355A (en) Transmission and shift control system
US4430910A (en) Clutch control valve for an automatic transmission control circuit