Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2021/038818
Kind Code:
A1
Abstract:
Provided is an air conditioner that keeps an outdoor heat exchanger clean. The air conditioner (100) comprises: a refrigerant circuit (Q) having a compressor (11), an indoor heat exchanger 16, an expansion valve (15), and an outdoor heat exchanger 12; and a control unit that controls at least the compressor (11) and the expansion valve (15). The control unit performs first processing for freezing or condensing the lower part of the outdoor heat exchanger (12). This ensures that the outdoor heat exchanger (12) of the air conditioner (100) is in a clean state.
Inventors:
SOTOME SATOSHI (JP)
KATO TOMOHIRO (JP)
YOSHIMURA SHUNSUKE (JP)
KATO TOMOHIRO (JP)
YOSHIMURA SHUNSUKE (JP)
Application Number:
PCT/JP2019/034072
Publication Date:
March 04, 2021
Filing Date:
August 30, 2019
Export Citation:
Assignee:
HITACHI JOHNSON CONTROLS AIR CONDITIONING INC (JP)
International Classes:
F24F1/14; F24F11/42; F24F11/49
Domestic Patent References:
| WO2018061359A1 | 2018-04-05 | |||
| WO2015083399A1 | 2015-06-11 | |||
| WO2018216252A1 | 2018-11-29 |
Foreign References:
| CN104949261A | 2015-09-30 | |||
| JP2001091099A | 2001-04-06 | |||
| US20060080982A1 | 2006-04-20 | |||
| JP2018200128A | 2018-12-20 | |||
| JP2018189365A | 2018-11-29 | |||
| JP2018189351A | 2018-11-29 | |||
| JP2017227417A | 2017-12-28 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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