Title:
空気調和装置
Document Type and Number:
Japanese Patent JP6854455
Kind Code:
B2
Abstract:
Provided is an air conditioning device which has a plurality of compressors connected in parallel, and can be operated at high efficiency regardless of the magnitude of a required load. This air conditioning device is provided with: a first compressor 101 driven by a gas engine 103; a second compressor 102 connected to the first compressor 101 in parallel and having a different capacity from the first compressor 101; a refrigerant tube 115 provided between an indoor heat exchanger 201 and an outdoor heat exchanger 106; a bypass tube 114 connecting the refrigerant tube 115, a suction tube 134 of the first compressor, and a suction tube 135 of the second compressor; an exhaust heat recovery heat exchanger 112 which is provided to the bypass tube 114 and transfers the exhaust heat of the gas engine 103 to the refrigerant; a switching means comprising a first opening/closing means 119 and a second opening/closing means 120, which are disposed downstream from the exhaust heat recovery heat exchanger 112, and are capable of selectively supplying the refrigerant to the first compressor 101 or the second compressor 102; and an inflow prevention means comprising a first check valve 121 provided upstream from a connection part 136 between the suction tube 134 of the first compressor and the bypass tube 114, and a second check valve 122, provided upstream from a connection part 137 between the second compressor 102 and the bypass tube 114.
Inventors:
Tetsuya Masuda
Hiroshi Hasegawa
Yusho Mizuto
Hiroshi Hasegawa
Yusho Mizuto
Application Number:
JP2018552585A
Publication Date:
April 07, 2021
Filing Date:
November 21, 2017
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
F25B13/00; F25B1/00; F25B27/00; F25B27/02
Domestic Patent References:
| JP62293066A | ||||
| JP2003056932A | ||||
| JP2003056944A | ||||
| JP2004020153A |
Attorney, Agent or Firm:
Patent Business Corporation Kushibuchi International Patent Office