US2007056312A1PendingUtilityA1

Cooling System

51
Assignee: KOBAYASHI MAKOTOPriority: Sep 9, 2005Filed: Sep 9, 2006Published: Mar 15, 2007
Est. expirySep 9, 2025(expired)· nominal 20-yr term from priority
Inventors:Makoto Kobayashi
F25B 25/005F25B 9/008F25B 2400/22F25B 7/00
51
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Claims

Abstract

A cooling system provided with a first freezing circuit which comprises a first compressor, a first condenser, a first expansion mechanism and a first heat exchanger and in which a first refrigerant is circulated; a second freezing circuit which comprises a second compressor, a second heat exchanger, a second expansion mechanism and an evaporator and in which a second refrigerant is circulated; and a heat medium circuit in which a heat medium for exchanging heat between the first refrigerant of the first heat exchanger and the second refrigerant of the second heat exchanger is circulated, wherein the first freezing circuit is arranged on the exterior side and the second freezing circuit is arranged in the machinery room of a thermal system on the interior side.

Claims

exact text as granted — not AI-modified
1 . A cooling system comprising: 
 a first freezing circuit which comprises a first compressor, a first condenser, a first expansion mechanism and a first heat exchanger and in which a first refrigerant is circulated;    a second freezing circuit which comprises a second compressor, a second heat exchanger, a second expansion mechanism and an evaporator and in which a second refrigerant is circulated; and    a heat medium circuit in which a heat medium for exchanging heat between the first refrigerant of the first heat exchanger and the second refrigerant of the second heat exchanger is circulated, wherein:    the first freezing circuit is arranged on a exterior side and the second freezing circuit is arranged in a machinery room of a thermal system on a interior side.    
   
   
       2 . The cooling system according to  claim 1 , wherein 
 the heat medium circuit is so configured that the heat medium is circulated between the first heat exchanger and the second heat exchanger with a pump.    
   
   
       3 . The cooling system according to  claim 1 , wherein 
 the heat medium circuit is so configured that the heat medium is circulated between the first heat exchanger and the second heat exchanger with a thermo-siphon.    
   
   
       4 . The cooling system according to  claim 1 , wherein 
 the first refrigerant is ammonia.    
   
   
       5 . The cooling system according to  claim 1 , wherein 
 the second refrigerant is carbon dioxide.

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