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Title:
REFRIGERANT FLOW PATH SWITCHING UNIT
Document Type and Number:
WIPO Patent Application WO/2012/008148
Kind Code:
A1
Abstract:
A refrigerant flow path switching unit is provided with a flow path switching valve (51) comprising a first valve seat (52) and a movable valve element (56). In the first valve seat (52), first to third connection ports (A, B, C) are formed. In the movable valve element (56), a through-hole (57) is formed. The flow path switching valve (51) causes the first and second connection ports (A, B) to communicate with each other via the through-hole (57) in an air cooling state, and causes the first and third connection ports (A, C) to communicate with each other via a main body space (55a) during an air heating operation.

Inventors:
KOJIMA, Makoto (Sakai Plant DAIKIN INDUSTRIES, LTD., 1304, Kanaoka-cho, Kita-ku, Sakai-sh, Osaka 11, 〒5918511, JP)
小島 誠 (〒11 大阪府堺市北区金岡町1304番地ダイキン工業株式会社 堺製作所 金岡工場内 Osaka, 〒5918511, JP)
OKUDA, Noriyuki (Sakai Plant DAIKIN INDUSTRIES, LTD., 1304, Kanaoka-cho, Kita-ku, Sakai-sh, Osaka 11, 〒5918511, JP)
Application Number:
JP2011/003990
Publication Date:
January 19, 2012
Filing Date:
July 12, 2011
Export Citation:
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Assignee:
DAIKIN INDUSTRIES, LTD. (Umeda Center Bldg, 4-12 Nakazaki-nishi 2-chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
ダイキン工業株式会社 (〒23 大阪府大阪市北区中崎西2丁目4番12号 梅田センタービル Osaka, 〒5308323, JP)
KOJIMA, Makoto (Sakai Plant DAIKIN INDUSTRIES, LTD., 1304, Kanaoka-cho, Kita-ku, Sakai-sh, Osaka 11, 〒5918511, JP)
小島 誠 (〒11 大阪府堺市北区金岡町1304番地ダイキン工業株式会社 堺製作所 金岡工場内 Osaka, 〒5918511, JP)
International Classes:
F16K11/074; F25B13/00; F25B29/00; F25B41/04
Attorney, Agent or Firm:
MAEDA, Hiroshi et al. (Osaka-Marubeni Bldg, 5-7 Hommachi 2-chome, Chuo-ku, Osaka-sh, Osaka 53, 〒5410053, JP)
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Claims: