Thrust bearing for refrigeration compressor

Details Thrust bearing for refrigeration compressor Thrust bearing for refrigeration compressor

1991-09-24

1992-11-03

Vrablik, John J.

Pumps

Motor driven

Electric or magnetic motor

417572, 384243, 384420, 384590, 384618, 92 72, 74 44, F04B 3504

Patent

active

051602474

ABSTRACT:
A hermetic compressor including a hardened cylindrical pin bearing disposed through the crankshaft permits a line contact between the crankshaft and bearing hub for a more efficient compressor. The pin bearing reduces friction while increasing compressor efficiency. In one embodiment, the hardened steel pin is constructed in two parts permitting rotation within the crankshaft. In another embodiment, hardened metal sleeves surround the cylindrical bearing pin allowing.

REFERENCES:
patent: 1373929 (1921-04-01), Wisdom
patent: 3281192 (1966-10-01), Daubenfeld
patent: 4632644 (1986-12-01), Fritchman
patent: 4869649 (1989-09-01), Hattori et al.

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