Limited slip differential

Details Limited slip differential Limited slip differential

1988-12-08

1990-12-18

Diehl, Dwight

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Control of differential planetary gearing

475223, 475231, F16H 144

Patent

active

049783297

ABSTRACT:
A limited slip differential includes a differential case, a pair of side gears formed of spiral bevel gears and disposed in the differential case, a plurality of pinions formed of spiral bevel gears meshing with the side gears, supported by shaft portions of a spider and disposed in the differential case and a frictional force generator by which a differential motion generated between shafts respectively coupled with the side gears is limited. The limited slip differential further includes a member for preventing the spider from wear resulting from such constitution of side gears and pinions that the tooth surfaces on which each of the pinions meshes with the pair of side gears constitute a concave with respect to the tooth of the side gear on one side and a convex with respect to the tooth of the side gear on the other side.

REFERENCES:
patent: 2778246 (1957-01-01), Thornton
patent: 2850922 (1958-09-01), Welsh
patent: 3232139 (1966-02-01), Nickell
patent: 3362258 (1968-01-01), Thornton
patent: 3364791 (1968-01-01), Truckle
patent: 3831462 (1974-08-01), Baremor
patent: 3874251 (1975-04-01), Lapitsky et al.
patent: 4163400 (1979-08-01), Fisher et al.
patent: 4594913 (1986-06-01), Opitz
patent: 4747322 (1988-05-01), Orain

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