Refrigerating apparatus with single compressor and multiple evap

Details Refrigerating apparatus with single compressor and multiple evap Refrigerating apparatus with single compressor and multiple evap

1985-10-22

1987-04-21

Tanner, Harry B.

Refrigeration

Automatic control

Refrigeration producer

622283, 622284, F25B 4900

Patent

active

046585966

ABSTRACT:
Refrigerating apparatus including a compressor, condensor and a plurality of evaporators which are connected in parallel and controlled by individual electromagnetic valves in response to temperature changes of individual evaporators. The refrigerating apparatus also includes an inverter circuit and a bypass circuit which causes refrigerant to flow from output side of the condenser to the input side of the compressor. When the temperature of the bypass circuit drops because of operation of the electromagnetic valves, the inverter circuit adjusts the operating frequency of the compressor.

REFERENCES:
patent: 4362027 (1982-12-01), Barbier
patent: 4487031 (1984-12-01), Rogers et al.
patent: 4499739 (1985-02-01), Matsuoka et al.
Refrigeration vol. 59, No. 683, Kawanishi, Yasuhiro, "Multiple-Compressor Refrigerating Units for Supermarket", Sep. 1984.

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