Engine brake control of continuous variable transmission responsive to vehicle brake
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 26, 1993
Grant Date -
N/A
app pub date -
Dec 28, 1990
filing date -
Dec 29, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Herein disclosed is a control system to be used in a continuously variable transmission for a vehicle for continuously varying and transmitting the revolutions of an engine to the wheels. The control system comprises: a vehicle speed detector for detecting the running speed of a vehicle; a speed demand change detector for detecting a signal corresponding to the speed demand change by the driver; a setting device for setting the target speed of the vehicle to a predetermined value when the vehicle speed is higher than a preset value and the speed demand change is lower than a preset value; and a torque ratio controller for controlling the torque ratio between the input shaft and output shaft of the continuously variable transmission in accordance with the predetermined value of the target vehicle speed.
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