Thrust washer arrangement

Details Thrust washer arrangement Thrust washer arrangement

1987-07-27

1988-10-11

Wright, Dirk

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74467, 384420, 384474, F16H 344, F16H 5704

Patent

active

047762373

ABSTRACT:
A thrust washer assembly for a planetary gear mechanism including a pair of thrust washers on each side of each planet gear of the mechanism, the planet gear being mounted on planet pinion shafts in a carrier by means of uncaged needle bearings, the washers directly adjacent the planet pinions having angularly spaced ports located at a position radially outward from the needle bearings and the washers between the ported washers and the carrier having sector-shaped recesses at diametrically opposite positions whereby the recesses and the ports register to establish a pumping action that circulates lubricating oil through the needle bearings.

REFERENCES:
patent: 4639148 (1987-01-01), Tamura et al.

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