Title:
空気調和装置及びその制御方法
Document Type and Number:
Japanese Patent JP4500331
Kind Code:
B2
Abstract:
There is disclosed an air conditioner having an outdoor unit (A) and plural indoor units (a,b) connected by refrigerant pipes. The plural indoor units (a,b) include a first unit having an expansion valve (5) and a heat exchanger (4) incorporated therein, and a second indoor unit having a heat exchanger (4) incorporated therein. A decompression device including an expansion valve (6) and an on-off valve (7) is connected at the middle of the outward and inward refrigerant pipes connecting the second indoor unit (b) with the outdoor unit (A). This makes it possible to connect different types of indoor units, namely, the first indoor units (a) having the decompression device (5) incorporated therein and the second indoor units having no decompression device incorporated therein.
Inventors:
Tetsuya Koza
Yoshiki Hata
Yoshiki Hata
Application Number:
JP2007183300A
Publication Date:
July 14, 2010
Filing Date:
July 12, 2007
Export Citation:
Assignee:
Hitachi Appliances, Inc.
International Classes:
F25B5/02; F24F11/02; F25B1/00; F25B13/00
Domestic Patent References:
| JP4169754A | ||||
| JP4126958A | ||||
| JP5164437A | ||||
| JP2002022296A |
Attorney, Agent or Firm:
Polaire Patent Business Corporation