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Title:
CONTROL DEVICE FOR BELT TYPE CONTINUOUSLY VARIABLE TRANSMISSION FOR VEHICLE
Document Type and Number:
Japanese Patent JP2008039027
Kind Code:
A
Abstract:

To provide a control device for a belt type continuously variable transmission for a vehicle capable of suppressing the deterioration of the durability of a belt by restraining the belt from slipping at starting the vehicle.

The transmission 20 is composed of a pulley 231 for an input to which a driving force of the internal combustion engine 10 is transmitted and a pulley 232 for an output drivingly connected with wheels 12L, 12R and the belt 233 wound around the pair of pulleys 231, 232. The transmission 20 is provided with a hydraulic mechanism 230 for changing groove widths Win, Wout of the respective pulleys 231, 232 and a clutch 22a for adjusting a driving force transmitted to the pulley 231 for an input. When engaging the clutch 22a based on a shifting operation for starting the vehicle, a hydraulic pressure rising process for temporarily increasing hydraulic pressure supplied to at least one of the pair of pulleys 231, 232 from the hydraulic mechanism 230 is executed.


Inventors:
SENDA TATSUSHI
OGATA YUSUKE
YAMAGUCHI KENICHI
KAMIYA TOSHIHIKO
KOJIMA SEI
Application Number:
JP2006213040A
Publication Date:
February 21, 2008
Filing Date:
August 04, 2006
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
F16H61/02; F16H9/00; F16H59/08; F16H59/72; F16H59/78; F16H61/662
Domestic Patent References:
JP2001304388A2001-10-31
JP2004132496A2004-04-30
JPH05263906A1993-10-12
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda