Title:
HEAT EXCHANGER, OUTDOOR UNIT FOR AIR CONDITIONING DEVICE, AND AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/234961
Kind Code:
A1
Abstract:
The heat exchanger according to the present disclosure is provided with: a first heat exchanger including a first heat exchange body that has a plurality of heat conduction pipes spaced apart from each other, a first inner header that is provided to upper or lower ends of the plurality of heat conduction pipes of the first heat exchange body, a second heat exchange body that is provided in the direction of air passage of the first heat exchange body and that has a plurality of heat conduction pipes spaced apart from each other, and a first outer header that is provided to upper or lower ends of the plurality of heat conduction pipes of the second heat exchange body; a second heat exchanger including a third heat exchange body that has a plurality of heat conduction pipes spaced apart from each other, a second inner header that is provided to upper or lower ends of the plurality of heat conduction pipes of the third heat exchange body, a fourth heat exchange body that is provided in the direction of air passage of the third heat exchange body and that has a plurality of heat conduction pipes spaced apart from each other, and a second outer header that is provided to upper or lower ends, but on the same side where the first outer header is provided, of the plurality of heat conduction pipes of the fourth heat exchange body; and a connection pipe that connects the first and second outer headers together and that has a bent section. A refrigerant flowing from the first heat exchanger to the second heat exchanger and a refrigerant flowing from the second heat exchanger to the first heat exchanger flow only through the connection pipe.
Inventors:
ONAKA YOJI (JP)
MATSUMOTO TAKASHI (JP)
KISHIDA NANAMI (JP)
SAIKUSA TETSUJI (JP)
NAKAO YUKI (JP)
MORIMOTO HIROYUKI (JP)
MATSUMOTO TAKASHI (JP)
KISHIDA NANAMI (JP)
SAIKUSA TETSUJI (JP)
NAKAO YUKI (JP)
MORIMOTO HIROYUKI (JP)
Application Number:
PCT/JP2020/020354
Publication Date:
November 25, 2021
Filing Date:
May 22, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F28D1/053; F28F9/00; F28F9/02
Domestic Patent References:
| WO2019239446A1 | 2019-12-19 | |||
| WO2019239445A1 | 2019-12-19 | |||
| WO2015162689A1 | 2015-10-29 | |||
| WO2010033082A1 | 2010-03-25 |
Foreign References:
| JP2002206890A | 2002-07-26 | |||
| JP2003121092A | 2003-04-23 | |||
| JP2000203250A | 2000-07-25 | |||
| JP2007024353A | 2007-02-01 | |||
| JP2007113904A | 2007-05-10 | |||
| US20110226780A1 | 2011-09-22 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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