Compression refrigeration machine

Details Compression refrigeration machine Compression refrigeration machine

1995-11-07

1997-09-30

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

62114, 62508, F25B 100, F25B 3904

Patent

active

056716079

ABSTRACT:
A compression refrigeration machine is provided having ammonia as a refriant and including a condenser, a throttle device, an evaporator device, and a motor-compressor unit. The motor compressor unit includes an electric motor that drives a compressor and may be arranged in a semi-hermetic or hermetic encapsulation. In an hermetic encapsulation, the electric motor is located outside a suction gas stream flowing into the compressor and outside a discharge gas stream exiting from the compressor so that the electric motor is only exposed to an essentially static ammonia atmosphere. The motor-compressor unit and the semi-hermetic encapsulation are composed of materials stable or resistant to ammonia.

REFERENCES:
patent: 2031080 (1936-02-01), Van Deventer
patent: 4307576 (1981-12-01), Takano et al.

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