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Patent Searching and Data


Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/234316
Kind Code:
A1
Abstract:
Provided is a refrigeration cycle device that can mitigate a disproportionation reaction of a working medium without a loss of comfort for a user. A refrigeration cycle device 1 of this disclosure comprises: an outdoor unit 30 provided with a compressor 31; and a plurality of indoor units 10 each provided with an expansion valve 15. The refrigeration cycle device further comprises a control unit 70 that uses a working medium including an ethylene-based fluoroolefin as a refrigerant. The control unit 70 opens the expansion valve 15 of at least one indoor unit 10 among indoor units 10 that have stopped operating if some of the plurality of indoor units 10 are in operation and a discharge temperature T of the compressor 31 is greater than or equal to a prescribed temperature T1.

Inventors:
SHIGETA AKIHIRO
HIWATA AKIRA
Application Number:
PCT/JP2023/020155
Publication Date:
December 07, 2023
Filing Date:
May 30, 2023
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F25B5/02; F25B1/00
Domestic Patent References:
WO2015174054A12015-11-19
Foreign References:
JPH0835710A1996-02-06
JP2020091080A2020-06-11
Attorney, Agent or Firm:
KUSHIBUCHI & ASSOCIATES (JP)
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