Oil pump for hermetic compressor

Details Oil pump for hermetic compressor Oil pump for hermetic compressor

1980-07-22

1982-04-20

Gluck, Richard E.

Pumps

Motor driven

Interrelated or common lubricating or cooling means for pump...

417902, F04B 3902

Patent

active

043256791

ABSTRACT:
A hermetic refrigeration compressor has a two-stage oil pump in the vertically aligned crankshaft that is journaled in a combination thrust and radial bearing at the bottom of the crankshaft. The oil passes upward through an axial passage in the crankshaft and then outward through a radial passage which comprises the first stage of the pump. The oil then passes through a wide and shallow groove around most of the periphery of the crankshaft and is then returned through a second radial passage to another vertical passage offset from the axis of the crankshaft to move the oil upward to lubricate the various moving parts of the compressor.

REFERENCES:
patent: 3008629 (1961-11-01), Gerteis
patent: 3182901 (1965-05-01), Solomon
patent: 3736076 (1973-05-01), Ayling
patent: 4131396 (1978-12-01), Privon et al.

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