F - Mech Eng,Light,Heat,Weapons – 25 – C
Patent
F - Mech Eng,Light,Heat,Weapons
25
C
F25C 3/02 (2006.01)
Patent
CA 2746445
An ice rink cooling facility 100 in which a cooling-pipe bank 1 having a plurality of cooling pipes 11 is arranged at the bottom part of the ice rink 10 and CO2 brine streams through the cooling pipe bank 1 so as to cool the ice rink 10, the ice rink cooling facility 100 including, but not limited to: at least one planar heat conduction member that is arranged on and over the cooling pipes 11; a CO2 circulation circuit 3 that is connected to the cooling pipes 11 so that the CO2 brine circulates in the CO2 circulation circuit 3; an ammonia refrigerating cycle in which an ammonia refrigerant circulates; and, a cascade condenser 211 in which the heat exchange is performed between the CO2 brine and the ammonia refrigerant so that the CO2 brine is cooled and re-liquefied by use of the ammonia refrigerant.
Fukuoka Yoshinori
Tanaka Yoshiteru
Gowling Lafleur Henderson Llp
Mayekawa Mfg. Co. Ltd.
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