Locking limited slip planetary transfer case

Details Locking limited slip planetary transfer case Locking limited slip planetary transfer case

1992-12-31

1994-06-14

Wright, Dirk

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Control of differential planetary gearing

475249, 192 59, F16H 144

Patent

active

053205863

ABSTRACT:
A locking limited slip planetary differential for the transfer case of an all-wheel drive vehicle. First and second coaxially juxtaposed sun gears are mounted to first and second output shafts, respectively, for rotation therewith. A plurality of first planet gears are rotatably mounted on a carrier, each of which meshes with the first sun gear. A plurality of second planet gears is also rotatably mounted on the carrier. Each of the second planet gears meshes with the second sun gear and with an associated one of the first planet gears. A hydraulically actuated clutch pack is provided for selectively connecting the carrier to the first sun gear to limit relative rotation between the first output shaft and the second output shaft. The clutch pack is actuated by a swash plate pump mechanism provided on the first and second sun gears which supplies hydraulic fluid to the clutch pack when the first and second sun gears rotate relative to one another.

REFERENCES:
patent: 2293731 (1942-08-01), Frederickson
patent: 2370640 (1945-03-01), Deardorff et al.
patent: 3546969 (1970-12-01), Gibson et al.
patent: 3899938 (1975-08-01), Crabb
patent: 4012968 (1977-03-01), Kelbel
patent: 4445400 (1984-05-01), Sullivan et al.

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