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Title:
CONTINUOUSLY VARIABLE TRANSMISSION FOR VEHICLE HAVING IMPROVED MANUAL SPEED CHANGE CHARACTERISTIC IN HIGH-SPEED DRIVE
Document Type and Number:
Japanese Patent JP2004278739
Kind Code:
A
Abstract:

To maintain delicate speed change setting properties over an entire region in high-speed drive from low-speed drive so that a manual operation end effectively work over the entire region of the travel width even in high-speed drive when performing the manual speed change control of a continuously variable transmission for vehicles.

A manual speed change control means performs setting so that a lower limit value becomes higher in high-speed drive than that in low-speed drive according to a vehicle speed, and allows the operation of an operation end to constantly correspond to the rotational speed of an input member equal to or more than the lower limit value corresponding to the vehicle speed at that time when setting the lower limit value of the rotational speed of the input member in a continuously variable mechanism.


Inventors:
ITO YOSHIO
Application Number:
JP2003073734A
Publication Date:
October 07, 2004
Filing Date:
March 18, 2003
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
B60K20/02; F16H61/00; (IPC1-7): F16H61/00; B60K20/02
Attorney, Agent or Firm:
Akashi Masatake