Differential gear lubrication structure

Details Differential gear lubrication structure Differential gear lubrication structure

1999-06-03

2000-04-25

Wright, Dirk

Planetary gear transmission systems or components

With lubricaton

For differential planetary gearing

F16H 5764

Patent

active

06053835&

ABSTRACT:
A tubular member is disposed between a pair of drive pinions at the right and left and shaft insertion holes for insertion of the pinion shafts for axial support of the differential pinions are formed in the tubular member. First lubrication grooves for induction of the lubricating oil to the shaft insertion holes are formed on the inner circumferential surface of the tubular member. Second lubrication grooves extending from inside positions of the first lubrication grooves in radial directions of the tubular member toward the axial supporting parts of the differential pinions to reach the attachment parts of washers on the rear surfaces of the differential pinions are formed on the outer circumferential surfaces of the pinion shafts. The lubricating oil collected by the tubular member is supplied efficiently to the axial supporting parts of the differential pinions with guidance of the first lubrication grooves and the second lubrication grooves.

REFERENCES:
patent: 5624343 (1997-04-01), Krisher

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