Transmission start-up control

Details Transmission start-up control Transmission start-up control

1991-06-03

1993-11-30

Black, Thomas G.

Boots, shoes, and leggings

74866, 74867, 192 0096.0.052, G06F 1550, B60K 4104

Patent

active

052671577

ABSTRACT:
A vehicle transmission system having shift lever control of synchronized couplers for selection of ranges of gears and electro-hydraulic powershift clutches for selection of a gear within the selected range is provided with controls for avoiding unexpected speeds or speed changes under certain conditions. On start-up, if the vehicle is stationary, a microprocessor automatically selects which powershift gear is effective, the selection being such that the start-up speed is as nearly uniform as possible within the limits imposed by the positions of the shift levers.

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