Cooling system
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United States of America Patent
Stats
-
Nov 19, 1996
Grant Date -
N/A
app pub date -
Aug 17, 1995
filing date -
Aug 24, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cooling system includes a cold-accumulating refrigerator, and a cooling circuit. The cold-accumulating refrigerator includes a regenerator. The cooling circuit includes a main circuit, and a branched circuit. The main circuit includes a counterflow heat exchanger. The branched circuit is branched from an upstream portion of the main circuit, and joined to a downstream portion thereof, thereby reducing one of the flows of a refrigerant, flowing in a high-pressure-side passage and a low-pressure-side passage which are disposed in the counterflow heat exchanger, with respect to the other one of the flows. Moreover, the branched circuit includes a heat exchanger, and the heat exchanger is thermally brought into contact with a portion of the regenerator whose temperature is varied from a high temperature to a low temperature by another refrigerant flowing therein. Thus, the cooling efficiency of the cooling system is remarkably improved synergetically by the cooling resulting from the flow-difference in the counterflow heat exchanger, and by the extra cooling stemming from the thermal-contact at the regenerator.
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