Thrust washer arrangement

Details Thrust washer arrangement Thrust washer arrangement

F - Mech Eng,Light,Heat,Weapons

16

C

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F16C 33/66 (2006.01) F16C 21/00 (2006.01) F16C 33/60 (2006.01) F16H 57/04 (2010.01) F16H 57/08 (2006.01)

Patent

CA 1278199

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 diametri- cally opposite positions whereby the recesses and the ports register to establish a pumping action that cir- culates lubricating oil through the needle bearings.

541845

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