Refrigerated display cabinet

Details Refrigerated display cabinet Refrigerated display cabinet

1985-10-29

1987-02-24

Wayner, William E.

Refrigeration

Time or program actuator

Defrosting

62256, 62278, F25D 2100, F25B 4700

Patent

active

046447580

ABSTRACT:
A refrigerated display cabinet with multiple air curtains has refrigerating apparatus for refrigerating circulating air. The refrigerating apparatus comprises a compressor, a condenser and two evaporators. The suction sides of both evaporators are connected with one another by a first passage line which includes first and second decompression devices with check valves in series, this line being communicated with the compressor through valve devices. The discharge sides of both evaporators are also connected with one another by a second passage line which includes a pair of check valves, this second line being connected to the compressor through valve devices, respectively. The first and second passage lines are connected with one another and connected to the condenser through a valve device whereby the flow path of the refrigerant can be selectively controlled by operation of the valve devices.

REFERENCES:
patent: 3122892 (1964-03-01), Beckwith
patent: 3147602 (1964-09-01), Beckwith
patent: 3499295 (1970-03-01), Brennan
patent: 3638444 (1972-02-01), Lindahl
patent: 4122686 (1978-10-01), Lindahl et al.
patent: 4122688 (1978-10-01), Mochizuki et al.
patent: 4197716 (1980-04-01), Nussbaum

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