Method and system for using mechanical power to operate a...

Details Method and system for using mechanical power to operate a... Method and system for using mechanical power to operate a...

2007-11-12

2010-11-23

Ho, Ha D. (Department: 3655)

Interrelated power delivery controls, including engine control

Plural engines

Electric engine

C477S006000

Reexamination Certificate

active

07837593

ABSTRACT:
An automotive transmission transitions from a drive gear to a neutral gear when an engine is shutdown. During a rolling pull-up, a crankshaft of the engine will be spun up to a desired speed and the transmission will transition from the neutral gear to an appropriate gear based on a shift schedule. A target transmission input speed is commanded to be a synchronous speed plus an offset to smoothly transition out of electric axle drive propulsion.

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