Title:
AIR CONDITIONING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/140622
Kind Code:
A1
Abstract:
A flow path switch (240) is provided with a first opening (P1) to a fourth opening (P4). An internal heat exchanger (260) is provided with a first internal flow path (261a) and a second internal flow path (261b). The discharge side of a compressor (230) is connected to the first opening (P1). One end of a first heat exchange unit (210) is connected to the fourth opening (P4). One end of the second internal flow path (261b) is connected to a second opening (P2). A first branch (BP1) is connected to one end of a second valve (280) and a third opening (P3). The other end of the second valve (280) is connected to a second branch (BP2). The second branch (BP2) is connected to the suction side of the compressor (230) and the other end of the second internal flow path (261b). When the operation mode of an air conditioning apparatus (1000) is a first mode, the second valve (280) opens and the first opening (P1) is connected to the fourth opening (P4), and the second opening (P2) is connected to the third opening (P3). When the operation mode of the air conditioning apparatus (1000) is the second mode, the second valve (280) is closed, the first opening (P1) is connected to the third opening (P3), and the second opening (P2) is connected to the fourth opening (P4).
Inventors:
SATO MASANORI (JP)
SHINGU WAHEI (JP)
SHINGU WAHEI (JP)
Application Number:
PCT/JP2020/000494
Publication Date:
July 15, 2021
Filing Date:
January 09, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B13/00; F25B1/00
Domestic Patent References:
| WO2013038439A1 | 2013-03-21 |
Foreign References:
| JP2003194432A | 2003-07-09 | |||
| JP2003194432A | 2003-07-09 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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