Method of and apparatus for preventing overheating of electrical

Details Method of and apparatus for preventing overheating of electrical Method of and apparatus for preventing overheating of electrical

1974-12-09

1976-03-23

O'Dea, William F.

Refrigeration

Refrigeration producer

With lubricant handling means

62473, 62510, 418 97, F25B 4302

Patent

active

039452190

ABSTRACT:
A method of prevention of overheating of an electric motor for a compressor comprising the steps of introducing into the case of the electric motor of the closed type for driving the screw compressor part of the refrigerant which is introduced into an evaporator so as to cause said part of the refrigerant to expand directly therein, and permitting the expanded gas which has absorbed heat to be drawn by suction into a screw blade groove space of the screw compressor in a position in which the screw blades of the screw compressor is meshing engagement with one another have sealed gas.

REFERENCES:
patent: 1717321 (1929-06-01), Andresen
patent: 2952137 (1960-09-01), Watkins
patent: 3261172 (1966-07-01), Grant
patent: 3408828 (1968-11-01), Soumerai et al.
patent: 3432089 (1969-03-01), Schibbye
patent: 3568466 (1971-03-01), Brandin et al.
patent: 3577742 (1971-05-01), Kocher
patent: 3710590 (1973-01-01), Kocher

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