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Title:
AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/087407
Kind Code:
A1
Abstract:
Provided is an air conditioning device whereby refrigerant suddenly pooling in a condenser can escape from the condenser. The air conditioning device (100) comprises: a plurality of indoor units (20) each having an electrically operated valve (21) and an indoor heat exchanger (22) and each having the operation thereof turned ON and OFF independently; an outdoor unit (10) having a compressor (11) and an outdoor heat exchanger (12) and having the plurality of indoor units (20) connected thereto; and a control device (50) that controls the degree of opening of the expansion valves (21). The control device (50) increases the degree of opening of the expansion valves (21) in the operating indoor units (20) during operation capacity reductions whereby the total operation capacity of the plurality of indoor units (20) has been reduced at a prescribed time at a prescribed rate.

Inventors:
MATSUOKA, Shinya
SUZUKI, Shuuichi
Application Number:
JP2017/040000
Publication Date:
May 09, 2019
Filing Date:
November 06, 2017
Export Citation:
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Assignee:
DAIKIN INDUSTRIES, LTD. (Umeda Center Building, 4-12 Nakazaki-Nishi 2-Chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
International Classes:
F25B5/02; F24F11/84; F25B1/00
Foreign References:
JPH04309755A1992-11-02
JP2007278665A2007-10-25
JPH06323673A1994-11-25
JPH09145191A1997-06-06
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (South Forest Bldg, 1-4-19 Minamimori-machi, Kita-ku, Osaka-sh, Osaka 54, 〒5300054, JP)
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