Pumps – Motor driven – Including means utilizing pump fluid for augmenting cooling,...
Patent
1987-11-20
1989-07-25
Smith, Leonard E.
Pumps
Motor driven
Including means utilizing pump fluid for augmenting cooling,...
184 618, F04B 3902
Patent
active
048508195
ABSTRACT:
A pair of thrust washers support the lower end of a crankshaft for rotation in a bearing in a hermetic refrigerant motor compressor and also provide a combination of oil passages for supplying lubricating oil to a pump in a crankshaft and from the pump to the bearing.
REFERENCES:
patent: 2500751 (1950-03-01), Halfvarson
patent: 2523847 (1950-09-01), Russey
patent: 2963113 (1960-12-01), Ayling
patent: 4131396 (1978-12-01), Privon et al.
Bush James W.
Fogt James F.
Copeland Corporation
Smith Leonard E.
Walnoha Leonard P.
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