Title:
HEAT SOURCE UNIT AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2023/058438
Kind Code:
A1
Abstract:
A heat source unit (10) comprises: a first switching valve (35) that switches between a first state where a high-low pressure gas connection pipe (3) and the discharge side of a compressor (11) are connected to each other and a second state where the high-low pressure gas connection pipe (3) and the suction side of the compressor (11) are connected to each other; and a second switching valve (36) that switches between a third state where the discharge side of the compressor (11) and the gas-side end of a first heat exchange unit (21) are connected to each other while the suction side of the compressor (11) and the gas-side end of a second heat exchange unit (22) are connected to each other, and a fourth state where the discharge side of the compressor (11) and the gas-side end of the second heat exchange unit (22) are connected to each other while the suction side of the compressor (11) and the gas-side end of the first heat exchange unit (21) are connected to each other.
Inventors:
NAKANISHI TAKAYA (JP)
FUKUYAMA YUTA (JP)
FUKUYAMA YUTA (JP)
Application Number:
PCT/JP2022/034761
Publication Date:
April 13, 2023
Filing Date:
September 16, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B13/00; F25B5/02; F25B6/02; F25B41/26; F25B47/02
Domestic Patent References:
| WO2018051408A1 | 2018-03-22 |
Foreign References:
| JP2015049000A | 2015-03-16 | |||
| JP2021050840A | 2021-04-01 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
Download PDF: