Transmission clutch stroking control during an engine...

Details Transmission clutch stroking control during an engine... Transmission clutch stroking control during an engine...

2009-05-28

2011-12-06

Wright, Dirk (Department: 3655)

Interrelated power delivery controls, including engine control

Plural engines

Electric engine

C477S092000

Reexamination Certificate

active

08070648

ABSTRACT:
A method for controlling restart of an engine in a hybrid electric powertrain includes stopping the vehicle and engine, initiating the restart, estimating time required to restart the engine after the restart is initiated, filling and stroking launch elements of a transmission, when the estimated time substantially equals a second estimated time required to fill and stroke said launch elements, and increasing the torque capacity of the launch elements to accelerate the vehicle.

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