System and method of controlling automatic transmission

Details System and method of controlling automatic transmission System and method of controlling automatic transmission

2005-05-03

2005-05-03

Wright, Dirk (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

Reexamination Certificate

active

06887183

ABSTRACT:
In a system for controlling an automatic transmission, an ECU is constructed to carry out changeover control in accordance with shift determination from second speed to first speed to achieve release of a second engaging element and engagement of a first engaging element, detect a magnitude of a torque signal before a predetermined time of shift determination when the changeover control is carried out, and control release of the second engaging element in accordance with the magnitude of the torque signal.

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patent: 6346063 (2002-02-01), Kondo et al.
patent: 6503165 (2003-01-01), Kubo et al.
patent: 758061 (1997-02-01), None
patent: 9-49566 (1997-02-01), None

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