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Patent Searching and Data


Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2012/120868
Kind Code:
A1
Abstract:
In order to ensure the required amount of refrigerant with a cooling medium circuit by quickly, reliably and safely filling an outdoor heat exchanger and an excess cooling medium storage container, which are the component devices of an outdoor unit which have a greater capacity, an air conditioner is equipped with: an outdoor unit (1), which has as outdoor structural devices a compressor (2) that compresses a cooling medium, a flow path switching valve (3) that switches the direction of flow of the cooling medium, an outdoor heat exchanger (4) that exchanges heat between the cooling medium and the outside air, a first expansion valve (11) that decompresses the cooling medium, an excess cooling medium storage container (12) that stores excess cooling medium, and a second expansion valve (13) that decompresses the cooling medium; and an indoor unit (8), which has an indoor heat exchanger (9) that exchanges heat between the cooling medium and the indoor air. In addition, the air conditioner is equipped with: a cooling medium filling port (14), which is used with the outdoor heat exchanger and is provided on a cooling medium pipe (16a) connected directly to the outdoor heat exchanger (4); and a cooling medium filling port (15), which is used with the excess cooling medium storage container and is provided on a cooling medium pipe (16b) connected directly to the excess cooling medium storage container (12).

Inventors:
KORENAGA KAZUNORI (JP)
KURAMOCHI TAKESHI (JP)
HORIUCHI HIROFUMI (JP)
Application Number:
PCT/JP2012/001501
Publication Date:
September 13, 2012
Filing Date:
March 05, 2012
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
KORENAGA KAZUNORI (JP)
KURAMOCHI TAKESHI (JP)
HORIUCHI HIROFUMI (JP)
International Classes:
F25B45/00; F25B1/00; F25B43/00
Domestic Patent References:
WO2007013382A12007-02-01
Foreign References:
JPH10281597A1998-10-23
JP2001241814A2001-09-07
JPH05312439A1993-11-22
Other References:
See also references of EP 2685181A4
Attorney, Agent or Firm:
KOBAYASHI, Hisao et al. (JP)
Hisao Kobayashi (JP)
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Claims: