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Patent Searching and Data


Title:
OUTDOOR UNIT AND AIR-CONDITIONING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/005737
Kind Code:
A1
Abstract:
An outdoor unit according to the present invention is provided with: a compressor that suctions, compresses, and discharges a refrigerant; a first refrigerant flow path switching device that switches refrigerant flow paths between cooling operations and heating operations; a heat source-side heat exchanger that exchanges heat between the refrigerant and an external fluid; a connection pipe and a heat source-side backflow prevention device that constitute a refrigerant flow path in which an outlet port from which the refrigerant flows out to the outside and an inlet port through which the refrigerant flows in from the outside are identical between cooling operations and heating operations; and a flow path pipe through which, in cooling operations, a part of the refrigerant having flowed in from the inlet port passes.

Inventors:
IWASAKI KAZUHISA (JP)
HATOMURA TAKESHI (JP)
ONAKA YOJI (JP)
Application Number:
PCT/JP2019/027278
Publication Date:
January 14, 2021
Filing Date:
July 10, 2019
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F1/30; F25B1/00; F25B13/00
Domestic Patent References:
WO2014103407A12014-07-03
WO2013069351A12013-05-16
WO2015125219A12015-08-27
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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