Refrigerant gas compressor unit

Details Refrigerant gas compressor unit Refrigerant gas compressor unit

1988-11-25

1991-02-26

Smith, Leonard E.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

417902, F04B 3906

Patent

active

049957910

ABSTRACT:
A refrigeration gas compressor unit having a casing, an electric motor driven compressor mounted in the casing, a housing containing and substantially isolating the inner cavities or passages of the motor from the casing cavity, refrigerant suction port in the casing, a primary-feed conduit connecting the suction port to the intake of the compressor, a secondary-feed conduit connecting the suction port to the primary-feed conduit and in part consisting of the passages between the housing, rotor and stator of the electric motor, a refrigerant flow control associated with the secondary-feed conduit for regulating the flow of refrigerant therethrough, and a refrigerant discharge port in the casing communicating with the compression chamber of the compressor.

REFERENCES:
patent: 4147479 (1979-04-01), Morse
patent: 4470772 (1984-09-01), Gannaway
patent: 4486153 (1984-12-01), Romer et al.
patent: 4850816 (1989-07-01), Kosfeld

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