Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Fluid controlled mechanical clutch or brake
Reexamination Certificate
2005-01-18
2005-01-18
Pang, Roger (Department: 3681)
Planetary gear transmission systems or components
Fluid drive or control of planetary gearing
Fluid controlled mechanical clutch or brake
C192S003330
Reexamination Certificate
active
06843745
ABSTRACT:
An automatic transmission for vehicles is equipped with a housing in which a number of clutches and brakes, as well as an input shaft and an output shaft and at least one torque-controlling shaft (1), are positioned. The torque-controlling shaft (1) is equipped with neither a lengthwise bore for the central supply of fluid to the clutches or brakes, nor cross bores and grooves.
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Davis & Bujold P.L.L.C.
Pang Roger
ZF Friedrichshafen AG
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