System and method of controlling automatic transmission

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

2008-07-15

2008-07-15

Lewis, Tisha D (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

Control by sensed ambient condition, pattern indicia,...

C477S167000

Reexamination Certificate

active

07399257

ABSTRACT:
A system for controlling an automatic transmission includes a start clutch, an engagement element arranged in series to the start clutch and engaged during vehicle driving, and an ECU for controlling the start clutch and the engagement element, wherein the ECU is programmed to select, at vehicle start, one of the start clutch and the engagement element in accordance with one of the oil temperature within the transmission and the throttle-valve opening.

REFERENCES:
patent: 5042323 (1991-08-01), Murano et al.
patent: 6344016 (2002-02-01), Eguchi
patent: 7025706 (2006-04-01), Katou
patent: 7089095 (2006-08-01), Takami et al.
patent: 2002-266901 (2002-09-01), None

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