Title:
HEAT EXCHANGING DEVICE AND CONNECTING TUBE USED THEREIN
Document Type and Number:
WIPO Patent Application WO/2011/135946
Kind Code:
A1
Abstract:
Disclosed is a heat exchanging device which is provided with: a heat exchanger (15), which has a plurality of heat transfer tubes (24) wherein a refrigerant circulates, and which functions as an evaporator; a plurality of connecting tubes (27) which are connected to respective heat transfer tube (24) end portions on the refrigerant discharge side; and a header (28), which is connected to the connecting tube (27) end portions on the refrigerant discharge side, and which joins together the refrigerant discharged from the connecting tubes (27). At least some of the connecting tubes (27) are composed of flow channel-expanded connecting tubes (27) wherein the flow channel cross-section area on the header (28) side is formed larger than the flow channel cross-section area on the heat transfer tube (24) side.
Inventors:
MICHITSUJI, Yoshiharu (Sakai Plant DAIKIN INDUSTRIES, LTD., 1304, Kanaoka-cho, Kita-ku, Sakai-sh, Osaka 11, 〒5918511, JP)
Application Number:
JP2011/056567
Publication Date:
November 03, 2011
Filing Date:
March 18, 2011
Export Citation:
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二丁目４番１２号 梅田センタービル Osaka, 〒5308323, JP)
ダイキン工業株式会社 (〒23 大阪府大阪市北区中崎西二丁目４番１２号 梅田センタービル Osaka, 〒5308323, JP)
International Classes:
F25B41/00; F25B39/02
Attorney, Agent or Firm:
SunCrest Patent and Trademark Attorneys (1-11, Sakaemachidori 4-chome Chuo-ku, Kobe-sh, Hyogo 23, 〒6500023, JP)
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Claims: