Title:
REFRIGERATOR
Document Type and Number:
WIPO Patent Application WO/2024/024018
Kind Code:
A1
Abstract:
This refrigerator comprises a storage compartment in which items to be cooled are stored, a cooler which performs heat exchange between a refrigerant and air that flow through the interior thereof, to cool the air, a compressor for feeding the refrigerant to the cooler, an in-compartment blower for feeding the air cooled by the cooler into the storage compartment, a defrosting heater for melting frost adhered to the cooler, a cooler compartment accommodating the cooler, the in-compartment blower and the defrosting heater, and a control device for controlling the compressor, the in-compartment blower and the defrosting heater, wherein: the control device executes a defrosting operation if a continuous operating time of the compressor reaches a first threshold or if a cumulative integrated operating time of the compressor reaches a second threshold; and the defrosting operation comprises first control in which the operation of the compressor, the in-compartment blower and the defrosting heater is stopped, second control in which, after the first control is complete, the in-compartment blower is operated while the compressor and the defrosting heater remain stopped, and third control in which, after the second control is complete, the in-compartment blower is stopped and the defrosting heater is operated while the compressor remains stopped.
Inventors:
YAMAMURA TSUYOSHI (JP)
NISHIGAI MITSUKI (JP)
NEMOTO TAKUYA (JP)
NISHIGAI MITSUKI (JP)
NEMOTO TAKUYA (JP)
Application Number:
PCT/JP2022/029096
Publication Date:
February 01, 2024
Filing Date:
July 28, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25D21/06; F25D21/08
Domestic Patent References:
| WO2018020653A1 | 2018-02-01 |
Foreign References:
| JP2022088240A | 2022-06-14 | |||
| JP2007178106A | 2007-07-12 | |||
| JP2011002228A | 2011-01-06 | |||
| JP2019113200A | 2019-07-11 | |||
| JP2018071874A | 2018-05-10 | |||
| JPH0894234A | 1996-04-12 | |||
| JP2014240710A | 2014-12-25 | |||
| JP2015025567A | 2015-02-05 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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