Method of coding the oil in screw compressors equipped with auto

Details Method of coding the oil in screw compressors equipped with auto Method of coding the oil in screw compressors equipped with auto

1985-02-14

1985-11-19

Gluck, Richard E.

Rotary expansible chamber devices

Methods

417 53, F01C 2106, F01C 116

Patent

active

045539111

ABSTRACT:
A method of cooling the oil in screw compressors equipped with automatic variable volume ratio by automatically relocating the proper ports for the injection of liquid refrigerant into the interlobe volume of the compressor in response to the instantaneous internal volume ratio so that the refrigerant injection is done at an optimum time to insure efficient use of the refrigerant.

REFERENCES:
patent: 3432089 (1969-03-01), Schibbye
patent: 3738780 (1973-06-01), Edstrom
patent: 3795117 (1974-03-01), Moody et al.
patent: 3869227 (1975-03-01), Kocher et al.
patent: 3874828 (1975-04-01), Herschler
patent: 3885402 (1975-05-01), Moody et al.
patent: 3913346 (1975-10-01), Moody et al.
patent: 4375156 (1983-03-01), Shaw

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