CVT ratio rate control as a function of throttle release rate

Details CVT ratio rate control as a function of throttle release rate CVT ratio rate control as a function of throttle release rate

1995-04-28

1997-03-04

Ta, Khoi Q.

Interrelated power delivery controls, including engine control

Transmission control

Continuously variable friction transmission

477 48, 477905, F16H 900, F16H 5924, F16H 5936, F16H 6118

Patent

active

056073739

ABSTRACT:
A control system for an engine-CVT drive-train includes a ratio control element positionable to various command positions in response to a rate of change per unit time of CVT ratio determined by a controller to establish various CVT ratios. The controller decreases the rate of change per unit time of CVT ratio as the rate of change per unit time of the position of a gas pedal toward a release position thereof increases.

REFERENCES:
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patent: 4727771 (1988-03-01), Niwa et al.
patent: 4735113 (1988-04-01), Yamamuro et al.
patent: 4817469 (1989-04-01), Shigematsu et al.
patent: 4831898 (1989-05-01), Miyawaki
patent: 4853858 (1989-08-01), Kumura
patent: 5047937 (1991-09-01), Vahabzadeh et al.
patent: 5067372 (1991-11-01), Suzuki
patent: 5249482 (1993-10-01), Okahara et al.

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