System for controlling automotive automatic transmission

Details System for controlling automotive automatic transmission System for controlling automotive automatic transmission

1988-12-05

1991-09-17

Gruber, Felix D.

Boots, shoes, and leggings

74866, 3644241, G05D 1702, G06F 1550

Patent

active

050500821

ABSTRACT:
There is disclosed a system for controlling an automatic transmission with which an automotive engine is incorporated. The system comprises a first control unit which controls an ignition timing of the engine in accordance with an octane value of gasoline on which the engine is operated; a second control unit which controls a gear change point of the transmission and controls a line pressure of the transmission in accordance with a given factor of the fuel; and a correcting unit which corrects the line pressure in accordance with the octane value of the gasoline.

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patent: 4685356 (1987-08-01), Iwatsuki
patent: 4819187 (1989-04-01), Yasue et al
patent: 4825372 (1989-04-01), Yasue et al.
patent: 4843916 (1989-07-01), Bouta

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