Gear selection strategy for a dual clutch transmission

Details Gear selection strategy for a dual clutch transmission Gear selection strategy for a dual clutch transmission

2006-11-02

2009-10-06

Estremsky, Sherry L (Department: 3655)

Machine element or mechanism

Gearing

Interchangeably locked

C074S330000, C074S331000

Reexamination Certificate

active

07597020

ABSTRACT:
A method for controlling gear shifts in a multiple speed power transmission for a vehicle that includes a first clutch for transmitting power through a first power path producing a reverse gear, and a second clutch for transmitting power through a second power path producing a forward gear. The method includes selecting a reverse range in which the transmission is to operate, preparing the transmission to transmit power alternately through the first power path and second power path; engaging the first clutch and transmitting power through the first power path in the reverse gear, selecting a forward range in which the transmission is to operate, disengaging the first clutch and engaging the second clutch, and transmitting power through the second power path in the forward gear.

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