Hydraulic control system of a six-speed automatic...

Details Hydraulic control system of a six-speed automatic... Hydraulic control system of a six-speed automatic...

2006-01-17

2006-01-17

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid controlled mechanical clutch or brake

Reexamination Certificate

active

06986724

ABSTRACT:
The six-speed automatic transmission includes five frictional elements and is efficiently controlled by a minimal number of spool valves and solenoid valves. Drivability is, thereby enhanced and weight and cost are reduced.

REFERENCES:
patent: 5658220 (1997-08-01), Jang
patent: 5984818 (1999-11-01), Ryu
patent: 6394926 (2002-05-01), Jang

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