Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Fluid controlled mechanical clutch or brake
Reexamination Certificate
2008-01-01
2008-01-01
Le, David D. (Department: 3681)
Planetary gear transmission systems or components
Fluid drive or control of planetary gearing
Fluid controlled mechanical clutch or brake
C477S130000, C477S131000
Reexamination Certificate
active
11213476
ABSTRACT:
A hydraulic control system of a six-speed automatic transmission provides an enhanced overall performance by achieving precise and effective control by providing a fail-safe function in at least two ways.
REFERENCES:
patent: 5616093 (1997-04-01), Long et al.
patent: 6942591 (2005-09-01), Park
patent: 2007/0049446 (2007-03-01), Park
patent: 10358005 (2005-01-01), None
Hyundai Motor Company
Le David D.
Morgan & Lewis & Bockius, LLP
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