EP0339664A3

Method of operating an electronic automatic transmission system

Abstract

The present invention is a method of controlling the overall operation of an automatic transmission with an electronic controller, by using signals indicating gear speed, shift lever position and engine throttle position, determining and controlling the torque converter conditions (lock-up mode, turbine speed and acceleration) and influencing the cycle time of the solenoid valves which control the hydraulically actuated friction elements that initiate the gear change.

EP0339664A3, drawing sheet 1
Sheet 1 of 1

Term

Term ended

Projected expiry passed 28 April 2009, 17.4 years ago.

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1 sheet

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