Title:
FLOW PASSAGE SWITCHING DEVICE AND REFRIGERATION CYCLE DEVICE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2022/264398
Kind Code:
A1
Abstract:
This flow passage switching device is formed of a plurality of plates and is provided in a refrigeration cycle device, and has a first communication port, a second communication port, and a flow passage connecting the first communication port and the second communication port. The flow passage has an anisotropic flow passage wherein a forward resistance, which is the flow resistance against a refrigerant in a forward direction of refrigerant circulation from the first circulation port to the second circulation port, and a reverse resistance, which is the flow resistance against the refrigerant in a reverse direction of the refrigerant circulation from the second circulation port to the first circulation port, are different, and a portion of the anisotropic flow passage is formed in plates different from plates which are of the plurality of plates and each in which one or both of the first circulation port and the second circulation opening are formed.
Inventors:
MORITA ATSUSHI (JP)
MAEDA TSUYOSHI (JP)
YANACHI SATORU (JP)
TAKAHASHI ATSUSHI (JP)
MAEDA TSUYOSHI (JP)
YANACHI SATORU (JP)
TAKAHASHI ATSUSHI (JP)
Application Number:
PCT/JP2021/023175
Publication Date:
December 22, 2022
Filing Date:
June 18, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F28F3/00; F25B41/20
Domestic Patent References:
| WO2017042866A1 | 2017-03-16 |
Foreign References:
| CN110468026A | 2019-11-19 | |||
| US20190178783A1 | 2019-06-13 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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