Title:
HEAT SOURCE UNIT AND AIR-CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/058439
Kind Code:
A1
Abstract:
This heat source unit (10) comprises: a first switching valve (35) that switches between a first state for enabling communication between the discharge side of a compressor (11) and a high/low-pressure gas connection tube (3), and a second state for enabling communication between the high/low-pressure gas connection tube (3) and the intake side of the compressor (11); a second switching valve (36) that switches between a third state for enabling communication between the discharge side of the compressor (11) and a gas-side end of a first heat exchange unit (21), and a fourth state for enabling communication between the intake side of the compressor (11) and the gas-side end of the first heat exchange unit (21); and a refrigerant flow passage (27) in which a second heat exchange unit (22) is provided, and of which one end is connected to the discharge side of the compressor (11) and the other end is connected to the upstream side of a receiver (25) in a liquid line (28).
More Like This:
| JPH10197084 | HEAT PUMP TYPE AIR CONDITIONER |
Inventors:
NAKANISHI TAKAYA (JP)
FUKUYAMA YUTA (JP)
FUKUYAMA YUTA (JP)
Application Number:
PCT/JP2022/034762
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; F25B43/00
Domestic Patent References:
| WO2018051408A1 | 2018-03-22 |
Foreign References:
| JP2015049000A | 2015-03-16 | |||
| JP2021050840A | 2021-04-01 | |||
| JP2016191502A | 2016-11-10 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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