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Patent Searching and Data


Title:
CONTINUOUSLY VARIABLE TRANSMISSION
Document Type and Number:
Japanese Patent JP2008209006
Kind Code:
A
Abstract:

To provide a continuously variable transmission capable of selecting a change gear ratio characteristic corresponding to each shift stage in the manual shift mode according to driver's taste.

As shift patterns in the manual sift mode, a normal D shift pattern and a Ds shift pattern setting a fixed change gear ratio characteristic of the whole on a low geared side relative to the D shift pattern are stored. When a driver switches on a manual mode switch, range position of a select lever is detected (S3, S4). When the select lever is set in the D range, the D shift pattern is selected (S5), and when the select lever is set in the Ds range, the Ds shift pattern is selected (S6). A fixed change gear ratio corresponding to the shift stage selected by up-shift or down-shift based on the selected shift pattern is fixed as a target change gear ratio.


Inventors:
IIJIMA MAKOTO
Application Number:
JP2008144591A
Publication Date:
September 11, 2008
Filing Date:
June 02, 2008
Export Citation:
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Assignee:
FUJI HEAVY IND LTD
International Classes:
F16H61/10; F16H59/08; F16H59/42; F16H59/44; F16H59/70; F16H61/662
Domestic Patent References:
JPH09196155A1997-07-29
JPS6320244A1988-01-27
JPS6095264A1985-05-28
JPH09264416A1997-10-07
Attorney, Agent or Firm:
Susumu Ito