Apparatus for separating lubricating oil from refrigerant in a h

Details Apparatus for separating lubricating oil from refrigerant in a h Apparatus for separating lubricating oil from refrigerant in a h

1997-11-20

1999-11-23

Thorpe, Timothy S.

Pumps

With muffler acting on pump fluid

417313, 417902, 181403, F04B 3904

Patent

active

059889900

ABSTRACT:
A hermetically sealed compressor includes a cylinder forming a compression chamber, and a piston reciprocally mounted in the cylinder for compressing gaseous refrigerant. A mixture of gaseous refrigerant and lubricating oil is conducted via a conduit arrangement to a suction muffler located upstream of the compression chamber. The conduit arrangement includes, at an inlet to the suction muffler, radially inner and outer tubes forming a channel therebetween. Gaseous refrigerant flows into the suction muffler through the inner tube. Lubricating oil traveling radially outwardly of the gaseous refrigerant enters the channel and is discharged from a downstream end of channel and thus does not enter the suction muffler.

REFERENCES:
patent: 3689203 (1972-09-01), Vaughn
patent: 5733107 (1998-03-01), Ikeda
patent: 5888055 (1999-03-01), Lee

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