Title:
AIR-CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/157821
Kind Code:
A1
Abstract:
This air conditioning device comprises a refrigerant circuit having a compressor, a high-pressure pipe through which high-pressure refrigerant discharged from the compressor flows, a low-pressure pipe through which low-pressure refrigerant sucked into the compressor flows, a first flow path switching valve, an indoor heat exchanger, an expansion valve, a first outdoor heat exchanger, a second outdoor heat exchanger, and a second flow path switching valve. The second flow path switching valve switches the flow path for refrigerant flowing to the first outdoor heat exchanger and the second outdoor heat exchanger, the second flow path switching valve includes a first chamber, a second chamber, and a slide valve that moves due to a pressure difference between the first chamber and the second chamber, and at least one of the first chamber and the second chamber is connected to the high-pressure pipe or the low-pressure pipe.
Inventors:
KOSHI SOICHIRO (JP)
KAWASHIMA ATSUSHI (JP)
TASHIRO YUSUKE (JP)
KONDO MASAKAZU (JP)
KAWASHIMA ATSUSHI (JP)
TASHIRO YUSUKE (JP)
KONDO MASAKAZU (JP)
Application Number:
PCT/JP2021/001626
Publication Date:
July 28, 2022
Filing Date:
January 19, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F16K31/34; F24F11/41; F24F11/42; F25B41/20; F25B41/26; F25B47/02
Domestic Patent References:
| WO2019003291A1 | 2019-01-03 | |||
| WO2020261387A1 | 2020-12-30 | |||
| WO2019003291A1 | 2019-01-03 |
Foreign References:
| JPH0531489Y2 | 1993-08-12 |
Other References:
See also references of EP 4283171A4
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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