Forced oil cooling for refrigeration compressor

Details Forced oil cooling for refrigeration compressor Forced oil cooling for refrigeration compressor

1999-04-29

2000-11-14

Doerrler, William

Refrigeration

Processes

Lubricant handling

62193, 62470, F25B 4302

Patent

active

061453269

ABSTRACT:
The invention is a method and apparatus for cooling compressor oil in a refrigeration system by passing the oil through a heat exchanger cooled by evaporating refrigerant. The refrigerant is pumped into the heat exchanger by a liquid refrigerant pump. The use of the pump avoids the requirement of a mixing pipe with an internal venturi nozzle, while also providing oil-cooling that is relatively free of noise and disturbance to those in the vicinity of the refrigeration unit.

REFERENCES:
patent: 3021689 (1962-02-01), Miller
patent: 5134856 (1992-08-01), Pillis et al.
patent: 5522233 (1996-06-01), Nares et al.
patent: 5606872 (1997-03-01), Terasaki
patent: 5894740 (1999-04-01), Rentz
Two schematic diagrams of a prior art refrigeration system sold by Delta Heat Transfer, Inc. of Flowery Branch, Georgia, Figures 1 and 2, 2 pages (Date Unknown).

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