Hydraulic control system of 7-speed automatic transmission...

Details Hydraulic control system of 7-speed automatic transmission... Hydraulic control system of 7-speed automatic transmission...

2008-03-18

2008-03-18

Estremsky, Sherry (Department: 3681)

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid controlled mechanical clutch or brake

C475S119000, C475S128000, C477S906000

Reexamination Certificate

active

11213474

ABSTRACT:
A hydraulic control system of a seven-speed automatic transmission that provides enhanced overall performance by achieving precise and effective control by providing a fail-safe function in at least two ways.

REFERENCES:
patent: 2001/0014638 (2001-08-01), Suzuki et al.
patent: 2003/0040389 (2003-02-01), Kim et al.
patent: 2007/0049447 (2007-03-01), Park
patent: 10358005 (2005-01-01), None
patent: 102004016489 (2005-03-01), None

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