Adaptive hill hold for automobile applications by redundant...

Details Adaptive hill hold for automobile applications by redundant... Adaptive hill hold for automobile applications by redundant...

2006-11-14

2006-11-14

Camby, Richard M. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

C477S050000, C477S077000

Reexamination Certificate

active

07136735

ABSTRACT:
A vehicle having an automatic transmission includes a roll-back detector that generates a roll-back signal indicating a vehicle roll-back event. A controller receives the roll-back signal and determines whether the automatic transmission is in a forward drive mode having first and second torque transfer elements engaged. The controller engages a third torque transfer element to prevent the vehicle roll-back event.

REFERENCES:
patent: 5630772 (1997-05-01), Tsukamoto et al.
patent: 6039673 (2000-03-01), Mikami et al.
patent: 6748311 (2004-06-01), Walenty et al.
patent: 6896340 (2005-05-01), Kinser et al.
patent: 6899212 (2005-05-01), Li
patent: 6920383 (2005-07-01), Graf et al.

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