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Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2008/062769
Kind Code:
A1
Abstract:
A multiple-type air conditioner in which air conditioning capacity required for it can be controlled according to a load on each indoor unit. The air conditioner performs air conditioning by changing the state of refrigerant and has a heat source unit (2), a first utilization unit, a second utilization unit, refrigerant communication piping (4), and a control section (5). The heat source unit has a heat source-side compressor (21), a heat source-side heat exchanger (23), and a heat source-side expansion mechanism (V2). The first utilization unit has a first utilization-side compressor, a first utilization-side heat exchanger, and a first utilization-side expansion mechanism. The second utilization unit has a second utilization-side compressor, a second utilization-side heat exchanger, and a second utilization-side expansion mechanism. The control section controls the first utilization-side compressor and the first utilization-side expansion mechanism according to a load on the first utilization unit and controls the second utilization-side compressor and the second utilization-side expansion mechanism according to a load on the second utilization unit.

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Inventors:
SETOGUCHI TAKAYUKI (JP)
Application Number:
PCT/JP2007/072418
Publication Date:
May 29, 2008
Filing Date:
November 20, 2007
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
SETOGUCHI TAKAYUKI (JP)
International Classes:
F25B1/10; F24F11/02; F25B5/02
Foreign References:
JP2001056156A2001-02-27
JP2002228297A2002-08-14
JP2006336971A2006-12-14
JPH11118275A1999-04-30
US5522233A1996-06-04
EP0431797A21991-06-12
Other References:
See also references of EP 2093511A4
Attorney, Agent or Firm:
ONO, Yukio et al. (South Forest Bldg.1-4-19, Minamimori-machi,Kita-ku, Osaka-shi, Osaka 54, JP)
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