Spring loaded pinion gears for differential

Details Spring loaded pinion gears for differential Spring loaded pinion gears for differential

1990-12-26

1991-10-08

Wright, Dirk

Planetary gear transmission systems or components

Differential planetary gearing

Bevel gear differential

475240, F16H 144

Patent

active

050550950

ABSTRACT:
A limited slip differential includes a case which is rotatably driven by a power source. A cross shaft is mounted within the case for rotation therewith. A pair of pinion gears are rotatably mounted on the ends of the cross shaft. The pinion gears mesh with side gears splined onto respect axle shafts. Thus, when the case is rotated, torque is transmitted through the cross shaft, the pinion gears, and the side gears to the axle shafts. A pair of Belleville springs are mounted to the cross shaft adjacent to the pinion gears. A hollow cylindrical spacer is disposed about the cross shaft between the two Belleville springs. The Belleville springs react against the ends of the spacer to urge the pinion gears apart from one another into frictional engagement with respective thrust washers disposed between the pinion gears and the case. As a result, the rotation of the pinion gears is restricted, thus limiting the free wheeling action of the differential. In an alternative embodiment, four pinion gears are provided within the differential having respective Belleville springs.

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