Hydraulic control system of an automatic transmission for a vehi

Details Hydraulic control system of an automatic transmission for a vehi Hydraulic control system of an automatic transmission for a vehi

1996-05-15

1998-03-31

Ta, Khoi Q.

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

477130, 477131, F16H 6126

Patent

active

057332215

ABSTRACT:
A hydraulic control system of an automatic transmission for a vehicle comprises a pressure regulator means changing hydraulic pressure supplied from an oil pump, a torque pressure changing/supplying device changing line pressure supplied from the pressure regulator into a torque pressure and supplying it, a shift controller supplying the hydraulic pressure through a drive pressure line in D range and through a rear pressure line in R range, a hydraulic pressure distributing device selecting and supplying the hydraulic pressure supplied from the shift controller by the control of the solenoid valves to the first, second, third, fourth, fifth, sixth, seventh friction members, and a plurality of accumulators disposed on the first, fourth, and seventh friction members.

REFERENCES:
patent: 5393273 (1995-02-01), Haka
patent: 5507706 (1996-04-01), Jang et al.
patent: 5537887 (1996-07-01), Jang et al.
patent: 5565001 (1996-10-01), Sakai et al.
patent: 5582559 (1996-12-01), Jang et al.
patent: 5626533 (1997-05-01), Jang

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