Title:
REFRIGERATION/AIR-CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/038764
Kind Code:
A1
Abstract:
A refrigeration/air-conditioning device which performs defrosting operation. This refrigeration/air-conditioning device comprises: a refrigerant circuit that is configured by a compressor, a first heat exchanger, a throttle device, a second heat exchanger, and a four-way valve being coupled by piping and circulates a refrigerant; a temperature sensor that measures the temperature of the compressor; and a heat generation control means for increasing the temperature of the compressor when a decrease in the measurement value of the temperature sensor is detected during defrosting operation of the first heat exchanger.
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Inventors:
SAKANOBE KAZUNORI (JP)
YUASA KENTA (JP)
WADA YASUHIKO (JP)
TANAKA CHITOSE (JP)
YUASA KENTA (JP)
WADA YASUHIKO (JP)
TANAKA CHITOSE (JP)
Application Number:
PCT/JP2020/031592
Publication Date:
February 24, 2022
Filing Date:
August 21, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B1/00
Domestic Patent References:
| WO2020008620A1 | 2020-01-09 |
Foreign References:
| JP2010008003A | 2010-01-14 | |||
| JPH1194371A | 1999-04-09 |
Other References:
See also references of EP 4202318A4
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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