Apparatus for controlling continuously variable transmission and

Details Apparatus for controlling continuously variable transmission and Apparatus for controlling continuously variable transmission and

1996-02-12

1997-05-13

Marmor, Charles A.

Interrelated power delivery controls, including engine control

Transmission control

Continuously variable friction transmission

477 48, B60K 4112

Patent

active

056287054

ABSTRACT:
The speed change ratio of a continuously variable transmission is controlled so that the actual speed change ratio approaches the basic speed change ratio at a predetermined rate of changing the speed by setting the basic speed change ratio based upon the opening degree of the accelerator and the vehicle speed. Here, when a change in the basic speed change ratio accompanying the accelerator operation is against the direction in which the actual speed change ratio approaches the basic speed change ratio, the speed is forcibly and temporarily changed to follow the change in the basic speed change ratio.

REFERENCES:
patent: 4656587 (1987-04-01), Osanai et al.
patent: 4689745 (1987-08-01), Itoh et al.
patent: 4793217 (1988-12-01), Morisawa et al.
patent: 4875892 (1989-10-01), Sueda
patent: 4976170 (1990-12-01), Hayashi et al.
patent: 5022287 (1991-06-01), Murano et al.
patent: 5050455 (1991-09-01), Yamashita et al.
patent: 5259272 (1993-11-01), Yamamoto et al.

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