Title:
空気調和装置
Document Type and Number:
Japanese Patent JP6895653
Kind Code:
B2
Abstract:
Provided is an air conditioning apparatus that is capable of performing high-efficiency operation without stopping heating even when the outside air temperature is low. The air conditioning apparatus is provided with: a switching circuit 110 that is capable of, at the time of frost formation, distributing, to an indoor heat exchanger 200, a refrigerant discharged from a first compressor 101 which is driven by an engine 101a and distributing, to an outdoor heat exchanger 105, a refrigerant discharged from a second compressor 102 which is driven by a motor 101b; and an exhaust heat exchanger 108a that heats a refrigerant having been condensed in the outdoor heat exchanger 105 and in the indoor heat exchanger 200, in an intermediate bypass pipe having one end connected to an intermediate-pressure refrigerant circuit through which an intermediate-temperature intermediate-pressure refrigerant passes and having the other end connected to a low-pressure refrigerant circuit through which a low-pressure refrigerant passes.
Inventors:
Yusho Mizuto
Tetsuya Masuda
Hiroshi Hasegawa
Tetsuya Masuda
Hiroshi Hasegawa
Application Number:
JP2018547671A
Publication Date:
June 30, 2021
Filing Date:
October 24, 2017
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
F25B13/00; F24F1/10; F24F1/44; F25B1/00; F25B27/00
Domestic Patent References:
| JP62029871A | ||||
| JP63247573A | ||||
| JP11230646A | ||||
| JP2003056931A | ||||
| JP2003056932A | ||||
| JP2001056159A |
Foreign References:
| KR1020090021602A |
Attorney, Agent or Firm:
Patent Business Corporation Kushibuchi International Patent Office