JPS57161359A - Control device for stepless speed changer with v-belt - Google Patents

Control device for stepless speed changer with v-belt

Info

Publication number
JPS57161359A
JPS57161359A JP4474681A JP4474681A JPS57161359A JP S57161359 A JPS57161359 A JP S57161359A JP 4474681 A JP4474681 A JP 4474681A JP 4474681 A JP4474681 A JP 4474681A JP S57161359 A JPS57161359 A JP S57161359A
Authority
JP
Japan
Prior art keywords
oil pressure
pressure
lockup
oil
chamber
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.)
Pending
Application number
JP4474681A
Other languages
Japanese (ja)
Inventor
Shigeaki Yamamuro
Hiroyuki Hirano
Yoshiro Morimoto
Yoshikazu Tanaka
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP4474681A priority Critical patent/JPS57161359A/en
Priority to EP82102531A priority patent/EP0061736A3/en
Priority to US06/362,491 priority patent/US4510822A/en
Publication of JPS57161359A publication Critical patent/JPS57161359A/en
Pending legal-status Critical Current

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
    • F16H45/00Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)

Abstract

PURPOSE:To prevent wear or damage of a clutch owing to variations in oil pressure by using the oil pressure in the cylinder chamber of a drive pulley as pilot pressure of a selector valve of the lockup device. CONSTITUTION:The oil pressure in the drive pulley cylinder chamber 28 is led to a port 150d as pilot oil pressure for controlling the changeover of a lockup valve 108 which shall change over the supply of actuation pressure to lockup clutch oil chamber 14. Consequently, when the oil pressure in the driving pulley cylinder chamber 28 is lower than a certain value, the lockup clutch oil chamber 14 is fed with the same pressure as in a torque converter 12, and the lockup clutch 10 is disengaged. When the oil pressure in the driving pulley cylinder chamber 28 is higher than said value, by contrast, the oil pressure in the lockup oil chamber 14 is grained to cause engagement of the lockup clutch 10. Thus half clutching condition can not exist any more.
JP4474681A 1981-03-28 1981-03-28 Control device for stepless speed changer with v-belt Pending JPS57161359A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP4474681A JPS57161359A (en) 1981-03-28 1981-03-28 Control device for stepless speed changer with v-belt
EP82102531A EP0061736A3 (en) 1981-03-28 1982-03-25 Continuously variable v-belt transmission including hydrodynamic transmission unit with lock-up means
US06/362,491 US4510822A (en) 1981-03-28 1982-03-26 Continuously variable V-belt transmission including hydrodynamic transmission unit with lock-up means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4474681A JPS57161359A (en) 1981-03-28 1981-03-28 Control device for stepless speed changer with v-belt

Publications (1)

Publication Number Publication Date
JPS57161359A true JPS57161359A (en) 1982-10-04

Family

ID=12700005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4474681A Pending JPS57161359A (en) 1981-03-28 1981-03-28 Control device for stepless speed changer with v-belt

Country Status (1)

Country Link
JP (1) JPS57161359A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61130658A (en) * 1984-11-30 1986-06-18 Aisin Warner Ltd Nonstage transmission
US4660440A (en) * 1983-06-16 1987-04-28 Nissan Motor Co., Ltd. Device for controlling continuously variable transmission
US4713987A (en) * 1983-05-27 1987-12-22 Nisson Motor Co., Ltd. Reduction ratio control for continuously variable transmission
US4843918A (en) * 1987-06-02 1989-07-04 Fuji Jukogyo Kabushiki Kaisha System for controlling a continuously variable transmission having a torque converter
US4909103A (en) * 1987-06-02 1990-03-20 Fuji Jukogyo Kabushiki Kaisha System for controlling a continuously variable transmission having a torque converter
CN107917155A (en) * 2016-10-10 2018-04-17 通用汽车环球科技运作有限责任公司 Clutch control in buncher

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4713987A (en) * 1983-05-27 1987-12-22 Nisson Motor Co., Ltd. Reduction ratio control for continuously variable transmission
US4660440A (en) * 1983-06-16 1987-04-28 Nissan Motor Co., Ltd. Device for controlling continuously variable transmission
JPS61130658A (en) * 1984-11-30 1986-06-18 Aisin Warner Ltd Nonstage transmission
US4843918A (en) * 1987-06-02 1989-07-04 Fuji Jukogyo Kabushiki Kaisha System for controlling a continuously variable transmission having a torque converter
US4909103A (en) * 1987-06-02 1990-03-20 Fuji Jukogyo Kabushiki Kaisha System for controlling a continuously variable transmission having a torque converter
CN107917155A (en) * 2016-10-10 2018-04-17 通用汽车环球科技运作有限责任公司 Clutch control in buncher
CN107917155B (en) * 2016-10-10 2020-04-10 通用汽车环球科技运作有限责任公司 Clutch control in a continuously variable transmission

Similar Documents

Publication Publication Date Title
JPS5563052A (en) Direct coupled clutch for automatic speed change gear having torque converter fitted with direct coupled clutch
CA2136868A1 (en) Hydraulic Control System of Automatic Transmission for Vehicle
US3688607A (en) Transmission and control
GB1094018A (en) Power system control
JPS57161347A (en) Hydraulic control unit in v-belt stepless speed change gear
EP0293196A3 (en) System for controlling the pressure of oil for a continuously variable transmission
JPS6444349A (en) Method of controlling forward and backward movement of continuously variable transmission
JPS56105146A (en) Directly coupled clutch controller for automatic speed change gear
CA2004186A1 (en) Creep control for a continuously variable transmission
JPS5631554A (en) Lock-up clutch controller of torque converter in automatic transmission
JPS57161359A (en) Control device for stepless speed changer with v-belt
GB1444641A (en) Throttle valve for automotive transmission control system
CA2004185A1 (en) Clutch pressure control device for continuously variable transmission
JPS5747059A (en) Torque ratio detecting mechanism of v belt type stepless transmission gear
US5535865A (en) Torque transmitting friction device and control
EP0101184B1 (en) Hydraulic control system for a transmission
AU554771B2 (en) System for controlling the transmission ratio of an infinitely variable transmission
US3754483A (en) Transmission and control with shift engagement timing devices
EP0345433A3 (en) Coast clutch control for multiple speed automatic transmission
JPS57161360A (en) Oil-hydraulic control device for stepless speed changer with v-belt
JPS56143848A (en) Oil pressure control device for transmission
JPS5786650A (en) Controller for automatic transmission of vehicle
JPS57161362A (en) Oil-hydraulic control device for stepless speed changer with v-belt
EP0314192B1 (en) Friction element engagement pressure and timing control arrangement for automatic transmission
GB1414706A (en) Hydraulic control system for power transmission having a modulated friction clutch