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Title:
REFRIGERATOR AND REFRIGERATION DEVICE
Document Type and Number:
Japanese Patent JP2015215160
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a refrigerator and the like capable of saving energy while securing high reliability.SOLUTION: A refrigerator has at least a low stage-side compressor for compressing a refrigerant and discharging the same, an auxiliary radiator exchanging heat between the refrigerant discharged from the low stage-side compressor and ambient air for making the refrigerant radiate heat, a high stage-side compressor for compressing the refrigerant radiated by the auxiliary radiator and discharging the same, and a high stage-side radiator exchanging heat between the refrigerant discharged from the high stage-side compressor and the ambient air, and making the refrigerant radiate heat. Carbon dioxide is used as the refrigerant, and the high stage-side radiator and the auxiliary radiator are composed of an integrated radiator in which a radiation amount ratio as a ratio of a radiation amount of the refrigerant in the auxiliary radiator to the total radiation amount of the radiation amount of the refrigerant in the high stage-side radiator and the radiation amount of the refrigerant in the auxiliary radiator is 17% or less, the high stage-side radiator is positioned at a lower side with respect to the auxiliary radiator, and heat transfer fins are integrated.

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Inventors:
ISHIKAWA TOMOTAKA
NOMOTO SO
KATO MUTSUMI
Application Number:
JP2015172274A
Publication Date:
December 03, 2015
Filing Date:
September 01, 2015
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
MITSUBISHI ELECTRIC APPLIED REFRIGERATION SYSTEMS
International Classes:
F25B1/10; F25B1/00; F25B39/04; F25B43/00
Domestic Patent References:
JP2006207835A2006-08-10
JP2004317073A2004-11-11
JP2009150641A2009-07-09
JP2005326138A2005-11-24
JP2011012828A2011-01-20
JP2004184019A2004-07-02
JPH0486458A1992-03-19
JP2006207835A2006-08-10
JP2004317073A2004-11-11
JP2009150641A2009-07-09
JP2001235245A2001-08-31
Foreign References:
WO2009133868A12009-11-05
Attorney, Agent or Firm:
Patent Business Corporation Kisa Patent Trademark Office



 
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