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Title:
Refrigerating device
Document Type and Number:
Japanese Patent JP5963970
Kind Code:
B2
Abstract:
Provided is a refrigeration device that makes it possible to effectively eliminate problems caused by dryicing of carbon dioxide. This refrigeration device (R) is provided with a refrigerant circuit in which a refrigerant discharged from a compressor (2) is caused to condense, then depressurized in a capillary tube (28) and caused to evaporate in an evaporator (3) to obtain a refrigeration effect. A mixed refrigerant containing a first refrigerant having a boiling point in an extremely low-temperature region of -89.0°C to -78.1°C and carbon dioxide (R744) are sealed in as a refrigerant in the refrigerant circuit. A heater for heating at least a part of an intake pipe (32) channeling a refrigerant returning from the evaporator to the compressor is provided.

Inventors:
Toyooka Shun
Application Number:
JP2015538902A
Publication Date:
August 03, 2016
Filing Date:
September 22, 2014
Export Citation:
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Assignee:
Panasonic Healthcare Holdings Co., Ltd.
International Classes:
F25B7/00; F25B1/00; F25B40/00; F28D7/10
Domestic Patent References:
JP2009062471A2009-03-26
JP2010096484A2010-04-30
JP2011112351A2011-06-09
JP2012515251A2012-07-05
JP2013510286A2013-03-21
JP2004125199A2004-04-22
JP2009062471A2009-03-26
JP2010096484A2010-04-30
JP2011112351A2011-06-09
JP2012515251A2012-07-05
JP2013510286A2013-03-21
JP2004125199A2004-04-22
Attorney, Agent or Firm:
Sakaki Morishita
Yusuke Murata
Tomoyuki Miki
Satoshi Soda



 
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