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Title:
COOLING SYSTEM EMPLOYING BRINE
Document Type and Number:
Japanese Patent JP3695974
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain a cooling system employing brine in which running cost of defrosting operation can be reduced and initial cost can also be reduced by making convenient the circuitry.
SOLUTION: A brine cooling system 10 for cooling a plurality of showcases 13A, 13B, 13C,... comprises a brine chiller unit 14 for cooling brine, a primary circuit 11 having a primary pump 21 for circulating brine from the brine chiller unit, secondary circuits 12A, 12B, 12C,... having coolers 22 built in respective showcases, a secondary supply path 23 for supplying brine from the primary circuit to the cooler and a secondary return path 24 for returning brine from the cooler to the primary circuit, a secondary pump 30 arranged in the secondary return path of the secondary circuit, first solenoid valve 31 arranged in the secondary return path on the downstream side of the secondary pump, and a bypass circuit 29 branched from the secondary return path between the secondary pump and the first solenoid valve and connected with the secondary supply path while being provided with second solenoid valve 32 and a defrosting heat exchanger 33.


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Inventors:
Sekiguchi, Kazuhiro
Kawaguchi, Takeshi
Application Number:
JP1999000010189
Publication Date:
September 14, 2005
Filing Date:
January 19, 1999
Export Citation:
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Assignee:
SANYO ELECTRIC CO LTD
International Classes:
F25D17/02; F25D15/00; F25D21/06; (IPC1-7): F25D17/02; F25D15/00; F25D21/06
Domestic Patent References:
JP52039853A
JP5133661A
JP1082484U
JP63065274A
JP52131652U
Attorney, Agent or Firm:
櫛渕 昌之
櫛渕 一江