Lubricating oil-separating device in a refrigerant compressor fo

Details Lubricating oil-separating device in a refrigerant compressor fo Lubricating oil-separating device in a refrigerant compressor fo

1983-08-30

1985-01-15

Cline, William R.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

Non-working and working fluids intermix in working chamber

418DIG1, F04C 1800, F04C 2902

Patent

active

044936249

ABSTRACT:
In a refrigerant compressor for use in an air conditioning system, a lubricating oil-separating device is mounted in the discharge pressure chamber communicating with pump outlets of the pump assembly and also with the discharge port. The lubricating oil-separating device comprises a plurality of tubes vertically disposed in a direction traversing flows of compressed refrigerant. The tubes each have at least one recess formed in a portion of its peripheral surface facing downstream of the compressed refrigerant flow, and an opening formed in the recess and communicating with the interior of the tube, whereby compressed refrigerant in the form of von Karman's vortices formed immediately downstream of the tube is introduced into the interior of the tube to thereby effectively separate the lubricating oil from the refrigerant.

REFERENCES:
patent: 2176098 (1939-10-01), Pinto
patent: 4174196 (1979-11-01), Mori et al.
patent: 4408969 (1983-10-01), Takada

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