Ratio control for continuously variable transmission

Details Ratio control for continuously variable transmission Ratio control for continuously variable transmission

1992-02-03

1993-10-05

Wright, Dirk

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

F16H 6100

Patent

active

052494829

ABSTRACT:
A ratio control of a continuously variable transmission according to the present invention proposes governing which position a shift actuator is to take versus a throttle opening degree and a vehicle speed in accordance with a predetermined shift pattern predetermined for various combinations of the throttle opening degree and vehicle speed, and overriding this governing step to put the actuator in motion away from a maximum reduction ratio position when the vehicle speed has satisfied a predetermined relationship with a value that has been derived from a predetermined data at acceleration.

REFERENCES:
patent: 4735113 (1988-04-01), Yamamuro et al.
patent: 4803900 (1989-02-01), Ohkumo
patent: 4843913 (1989-07-01), Miyawaki
patent: 5009129 (1991-04-01), Morimoto et al.
patent: 5020392 (1991-06-01), Morimoto et al.
patent: 5042326 (1991-08-01), Hibi et al.
patent: 5047937 (1991-09-01), Vahabzadeh et al.
patent: 5050455 (1991-09-01), Yamashita et al.
patent: 5067372 (1991-11-01), Suzuki
patent: 5092198 (1992-03-01), Morishige et al.

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