Hermetic turbo-refrigerator apparatus

Details Hermetic turbo-refrigerator apparatus Hermetic turbo-refrigerator apparatus

1979-11-08

1984-02-21

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

622284, 74375, 417 15, F25B 100, F04B 4900

Patent

active

044322127

ABSTRACT:
In a turbo-refrigerator apparatus provided with a compressor in the form of a turbocompressor, a speed increasing gear system capable of switching from one speed increase ratio to another at least in two stages is located between the turbocompressor and an electric motor, so that a speed increase ratio suitable for the conditions of outdoor air can be selected to operate the apparatus with high efficiency. Housings of the turbocompressor, electric motor and speed increasing gear system are connected together in such a manner that a shaft supporting an impeller of the turbocompressor, an output shaft of the electric motor and shafts of the speed increasing gear system are located within the respective housings to render the apparatus hermetic to avoid extension of the rotary shafts through the housings, thereby avoiding leak of the working fluid of the turborefrigerator apparatus to outside.

REFERENCES:
patent: 1834790 (1931-12-01), Logue
patent: 2979917 (1961-04-01), Meagher
patent: 3839877 (1974-10-01), Kramer
patent: 4295792 (1981-10-01), Tachibana et al.

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