Differential apparatus

Details Differential apparatus Differential apparatus

1995-11-07

1998-01-27

Ta, Khoi Q.

Planetary gear transmission systems or components

With lubricaton

For differential planetary gearing

475252, F16H 0145

Patent

active

057117373

ABSTRACT:
A differential apparatus includes a differential casing, a pair of side gears and plural pairs of pinion gears. The pinion gears are accommodated in bores formed in the differential casing, respectively. On the side wall of the differential casing a plurality of lubrication holes are formed for introducing the lubrication oil into the differential casing. Each lubrication hole is arranged so that a center thereof is positioned in the vicinity of a meshing point of the pinion gears. In operation, due to the screw pumping effect of the pinion gears, plenty of lubrication oil is introduced into meshing portions of the pinion gears.

REFERENCES:
patent: 5209707 (1993-05-01), Teraoka
patent: 5244440 (1993-09-01), Ichiki
patent: 5282775 (1994-02-01), Teraoka
patent: 5295923 (1994-03-01), Takefuta
patent: 5389048 (1995-02-01), Carlson
patent: 5415601 (1995-05-01), Cilano
patent: 5458546 (1995-10-01), Teraoka

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