Refrigerant injection into oil for sound reduction

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

1986-09-02

1990-03-13

Tapolcai, William E.

Refrigeration

Processes

62296, 181403, 417312, F25D 1900

Patent

active

049074148

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: 1897199 (1933-02-01), Kenney
patent: 3066857 (1962-12-01), McCloy
patent: 3147914 (1964-09-01), Hatten et al.
patent: 3155312 (1964-11-01), Douglas
patent: 3792755 (1974-02-01), Sanvordenker

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