Refrigerant injection into oil for sound reduction

Details Refrigerant injection into oil for sound reduction Refrigerant injection into oil for sound reduction

1987-11-30

1991-04-09

Tapolcai, William E.

Refrigeration

Muffler or sound dampener

F25D 1900

Patent

active

050053760

ABSTRACT:
In a low side hermetic compressor, a small portion of the compressed refrigerant gas is diverted and discharged into the oil sump through an orifice into the upper level of the oil in the sump. This results in a supersaturated solution of refrigerant in oil in the upper level which drives the refrigerant out of the oil, thereby creating froth which provides sound reduction without disturbing the lower level which remains stratified.

REFERENCES:
patent: 3066857 (1962-12-01), McCloy

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