Control system for automatic transmission

Details Control system for automatic transmission Control system for automatic transmission

1996-01-30

1998-09-22

Marmor, Charles A.

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

477117, 477158, F16H 6104, F16H 6126

Patent

active

058106944

ABSTRACT:
A control system for an automatic transmission having at least a friction coupling element which is coupled with a hydraulic pressure increasing by way of a leveled transitional pressure has an accumulator which discharge a high level of pressure accumulated therein into the friction coupling element during a gear shift under the condition where the line pressure is low.

REFERENCES:
patent: 4034628 (1977-07-01), Sakai et al.
patent: 4533030 (1985-08-01), Gabriel
patent: 4561528 (1985-12-01), Sugano
patent: 4602529 (1986-07-01), Sugano
patent: 4843917 (1989-07-01), Van Selous
patent: 4930080 (1990-05-01), Suzuki
patent: 5113724 (1992-05-01), Hayasaki
patent: 5240096 (1993-08-01), Ueki
Patent Abstracts of Japan, vol. 014, No. 266, (M-0982) Jun. 8, 1990 & JP-A-02 076967 (Toyota Motor Corp) Mar. 16, 1990 *abstract*.

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