Binary refrigeration unit

Details Binary refrigeration unit Binary refrigeration unit

2006-01-17

2006-01-17

Tapolcai, William E. (Department: 3744)

Refrigeration

Plural paired different function refrigeration producing...

C062S292000

Reexamination Certificate

active

06986262

ABSTRACT:
With the intention of reducing power consumption and noise, there is provided a binary refrigeration unit which can be started even by a compressor equipped with a small-torque and compact motor. The binary refrigeration unit is constructed in such a manner that an evaporator4of a high-temperature side refrigerant circuit H and a condenser12of a low-temperature side refrigerant circuit L are disposed side by side, a refrigerant of the low-temperature side refrigerant circuit L is cooled to be condensed at the condenser12by vaporization heat of a refrigerant of the high-temperature side refrigerant circuit H evaporated by the evaporator4, the condensed refrigerant of the low-temperature side refrigerant circuit L is evaporated at an evaporator14, and accordingly a low temperature much lower than a low temperature obtained by the evaporator4is obtained by the evaporator14. A refrigerant tank7is connected to a low-pressure side which is a suction side of a compressor1of the high-temperature side refrigerant circuit H through a connecting pipe6by interposing a capillary tube5.

REFERENCES:
patent: 1718312 (1929-06-01), Shipley
patent: 5339647 (1994-08-01), Albertson et al.

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