Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...
Patent
1995-08-17
1996-11-19
Kilner, Christopher
Refrigeration
Gas compression, heat regeneration and expansion, e.g.,...
62608, F25B 900
Patent
active
055751555
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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Herai Toshiki
Kanda Katsunobu
Misawa Hideo
Mita Hideo
Nagashima Ken
Aisin Seiki Kabushiki Kaisha
Kilner Christopher
Railway Technical Research Institute
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