Speed change controller for a vehicle automatic transmission

Details Speed change controller for a vehicle automatic transmission Speed change controller for a vehicle automatic transmission

1993-06-29

1994-09-06

Wright, Dirk

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

F16H 5924

Patent

active

053437837

ABSTRACT:
A speed change controller for vehicle automatic transmission is constructed such that a speed change range is selected on the basis of vehicle speed and throttle valve opening, and a speed change position for either a low speed change step or a high speed change step is selected from the speed change range by recognizing/judging the vehicle driving conditions. As a result speed change timing can be appropriately controlled to suit to environmental changes, and speed change control catering equally to the individual needs of a large variety of drivers is possible.

REFERENCES:
patent: 4841815 (1989-06-01), Takahashi
patent: 5021958 (1991-06-01), Tokoro
patent: 5067374 (1991-11-01), Sakai et al.
patent: 5079705 (1992-01-01), Sakai et al.
patent: 5101350 (1992-03-01), Tokoro
patent: 5235875 (1993-08-01), Yoshida et al.
patent: 5245541 (1993-09-01), Tomomatsu et al.

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