Title:
REFRIGERATOR
Document Type and Number:
WIPO Patent Application WO/2016/125274
Kind Code:
A1
Abstract:
A refrigerator 1 wherein, after a food product has been stored in a switching compartment 3, the set temperature of the switching compartment 3 is set to a temperature equal to or less than the freezing point of water, and the food product is cooled for a first period, after which the food product is cooled for a second period while the set temperature is gradually lowered, and a supercooled state is maintained, and then the supercooled state of the food product is forcefully cancelled, after which supercooling refrigeration is carried out to refrigerate and preserve the food product. A microcomputer 15 provided on a control board 14 uses the air temperature in the switching compartment 3, as detected by a switching compartment thermistor 11, to calculate a reduction rate for the air temperature inside the switching compartment 3 after the food product has been stored, and estimates a start time and an end time for the second period on the basis of the calculated air temperature reduction rate. Thus, it is possible to determine a period for changing the set temperature in supercooling refrigeration in response to the food product temperature at the time of storage and the weight of the food product.
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Inventors:
UMEDA TATSUYA (JP)
MAEDA GO (JP)
YAMATO YASUNARI (JP)
MAEDA GO (JP)
YAMATO YASUNARI (JP)
Application Number:
PCT/JP2015/053151
Publication Date:
August 11, 2016
Filing Date:
February 04, 2015
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25D11/02; A23L3/36; F25D11/00; F25D17/08
Foreign References:
JP2009024951A | 2009-02-05 | |||
JP2011007487A | 2011-01-13 | |||
JP2007271152A | 2007-10-18 | |||
JP2011101610A | 2011-05-26 | |||
US20100319368A1 | 2010-12-23 |
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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