Refrigerant circulation apparatus utilizing two evaporators oper

Details Refrigerant circulation apparatus utilizing two evaporators oper Refrigerant circulation apparatus utilizing two evaporators oper

1996-11-05

1998-06-16

Tapoical, William E.

Refrigeration

Cooled enclosure

Plural cooled compartments

62513, F25B 4100

Patent

active

057653917

ABSTRACT:
A refrigerant circulation apparatus utilizing two evaporators operating at respectively different evaporating temperatures which is capable of efficient refrigerant circulation by performing a heat exchange by contact between a refrigerant pipe guiding refrigerant discharged from a condenser to an evaporator and a refrigerant pipe guiding refrigerant discharged from the evaporator to a compressor in order to enhance the refrigerating ability when an evaporator is operated at a high evaporating temperature and pressure, includes a compressor, a condenser, a plurality of evaporators operating at different respective evaporating temperatures, a first plurality of refrigerant pipes for guiding the refrigerant discharged from the condenser to the plurality of evaporators, and a second plurality of refrigerant pipes predetermined portions of which are in heat exchanging contact with the first plurality of refrigerant pipes.

REFERENCES:
patent: 2479733 (1949-08-01), Dodson
patent: 2719407 (1955-10-01), Zearfoss, Jr.
patent: 2781646 (1957-02-01), Buchanan
patent: 2801523 (1957-08-01), Hansen
patent: 3218819 (1965-11-01), Crotser
patent: 4702086 (1987-10-01), Nunn, Sr. et al.
patent: 5406805 (1995-04-01), Radermacher et al.
patent: 5479789 (1996-01-01), Borten et al.

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