Sealing sleeve for a hydraulic actuator

Details Sealing sleeve for a hydraulic actuator Sealing sleeve for a hydraulic actuator

2006-02-21

2006-02-21

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid controlled mechanical clutch or brake

C192S083000, C192S01800B

Reexamination Certificate

active

07001301

ABSTRACT:
A transmission includes at least one planetary gear set, a first clutch pack having a plurality of first clutch plates, and a second clutch pack located in series axially with the first clutch pack. The second clutch pack has a plurality of second clutch plates. A clutch apply member associated with the second clutch pack protrudes through the first clutch plates of the first clutch pack. A substantially cylindrical seal member is positioned between the first clutch pack and second clutch pack for preventing substantial flow of cooling fluid between the first and second clutch packs to direct cooling fluid through the second clutch pack when the second clutch pack is applied by the clutch apply member.

REFERENCES:
patent: 4082011 (1978-04-01), McQuinn et al.
patent: 4237749 (1980-12-01), Koivunen
patent: 4964504 (1990-10-01), Friedmann
patent: 5492027 (1996-02-01), Eaton

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