Motor vehicle drive device
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United States of America Patent
Stats
-
Nov 18, 1997
Grant Date -
N/A
app pub date -
Dec 27, 1995
filing date -
Dec 28, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drive device comprises a gearbox (1) of the motorcycle type in which a selector shaft (10), via its angular position, enables the gear ratio in which the gearbox will be engaged to be determined. The device is provided with an electronic control device (DCE) designed to automatically place the gearbox (1), or in other words the selector shaft (10), in the position corresponding to the gear selected by the driver or automatically determined as a function of the speed of the vehicle. The electronic control device (DCE) comprises, in particular, means for down-shifting gently despite the absence of a synchronizer in the gearbox.
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