Title:
空気調和機の室外ユニットおよび制御方法
Document Type and Number:
Japanese Patent JP6678332
Kind Code:
B2
Abstract:
In a cooling operation, a first four-way valve (117) and a second four-way valve (118) each perform a switching operation in such a manner that a gas-pipe connection port (180) is coupled to a suction pipe of a first compressor (112) and a suction pipe of a second compressor (113), and a liquid-pipe connection port (190) is coupled to a discharge pipe of the first compressor (112) via the first outdoor heat exchanger (120) and the first four-way valve (117) and is coupled to a discharge pipe of the second compressor (113) via a second outdoor heat exchanger (121) and the second four-way valve (118).
Inventors:
Dai Matsui
Tetsuya Masuda
Yusho Mizuto
Tetsuya Masuda
Yusho Mizuto
Application Number:
JP2016043153A
Publication Date:
April 08, 2020
Filing Date:
March 07, 2016
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
F25B1/00; F24F11/41; F24F11/86; F25B6/02; F25B13/00; F25B47/02
Domestic Patent References:
| JP2015152246A | ||||
| JP2000274846A | ||||
| JP6249527A | ||||
| JP7293971A | ||||
| JP2011127889A | ||||
| JP2009008381A |
Attorney, Agent or Firm:
Patent Business Corporation Kushibuchi International Patent Office