REFRIGERATING DEVICE - MITSUBISHI ELECTRIC CORP

Title:

REFRIGERATING DEVICE

Document Type and Number:

WIPO Patent Application WO/2015/136654

Kind Code:

A1

Abstract:

A refrigerating device is characterized by comprising: a high-temperature side refrigerant circuit (A) in which a high-temperature side compressor (1), a high-temperature side condenser (2), a high-temperature side expansion valve (3), and a high-temperature side evaporator (4) are sequentially connected by piping and in which a refrigerant circulates; a low-temperature side refrigerant circuit (B) in which a low-temperature side compressor (7), an intercooler (8), a low-temperature side condenser (9), a low-temperature side expansion valve (16), and a low-temperature side evaporator (17) are sequentially connected by piping and in which a refrigerant circulates; a cascade condenser (13) that comprises the high-temperature side evaporator (4) and the low-temperature side condenser (9) and in which heat exchange is performed between the refrigerant flowing in the high-temperature side evaporator (4) and the refrigerant flowing in the low-temperature side condenser (9); and a blower that supplies air to the high-temperature side condenser (2) and the intercooler (8). The device is also characterized in that at least a portion of the high-temperature side condenser (2) and the intercooler (8) comprise an integrated heat exchanger in which heat transfer fins (42) are integrated.

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Inventors:

MIYAI JUNICHI (JP)
IKEDA TAKASHI (JP)
SUGIMOTO TAKESHI (JP)
YAMASHITA TETSUYA (JP)
KURACHI AKINORI (JP)
TARUMI YUJI (JP)
HARAIGAWA HIROFUMI (JP)
HORIUCHI KATSUNORI (JP)
SATO NOBUKI (JP)

Application Number:

PCT/JP2014/056576

Publication Date:

September 17, 2015

Filing Date:

March 12, 2014

Export Citation:

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Assignee:

MITSUBISHI ELECTRIC CORP (JP)

International Classes:

F25B7/00; F24F1/16; F25B1/00; F25B5/04

Domestic Patent References:

WO2013098872A1

2013-07-04

Foreign References:

JP2012193866A	2012-10-11
JP2009150641A	2009-07-09

Attorney, Agent or Firm:

KISA PATENT & TRADEMARK FIRM (JP)
Patent business corporation きさ patent trademark office (JP)

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