Title:
HEAT EXCHANGER AND HOT-WATER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2010/038572
Kind Code:
A1
Abstract:
A defrost heat exchanger (14) is provided with low-pressure cooling medium piping (20) wherein a low-pressure medium flows, high-pressure cooling medium piping (21) which is brought into contact with the low-pressure cooling medium piping (20) and has the high-pressure cooling medium flowing therein, and water piping (56) which is brought into contact with the low-pressure cooling medium piping (20) and has water flowing therein. The flow channel cross-section area of the low-pressure cooling medium piping (20) is larger than that of the water flow channel (56) and is also larger than that of the high-pressure cooling medium flow channel (21).
Inventors:
CHIKAMI, Hideo (1000-2, Aza Ootani, Okamoto-cho, Kusatsu-sh, Shiga 44, 〒5250044, JP)
千頭 秀雄 (〒44 滋賀県草津市岡本町字大谷１０００番地の２ダイキン工業株式会社滋賀製作所内 Shiga, 〒5250044, JP)
千頭 秀雄 (〒44 滋賀県草津市岡本町字大谷１０００番地の２ダイキン工業株式会社滋賀製作所内 Shiga, 〒5250044, JP)
Application Number:
JP2009/065249
Publication Date:
April 08, 2010
Filing Date:
September 01, 2009
Export Citation:
Assignee:
DAIKIN INDUSTRIES, LTD. (Umeda Center Building, 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)
CHIKAMI, Hideo (1000-2, Aza Ootani, Okamoto-cho, Kusatsu-sh, Shiga 44, 〒5250044, 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)
CHIKAMI, Hideo (1000-2, Aza Ootani, Okamoto-cho, Kusatsu-sh, Shiga 44, 〒5250044, JP)
International Classes:
F25B47/02; F24H1/00; F25B1/00; F28D7/02
Attorney, Agent or Firm:
TANAKA, Mitsuo et al. (AOYAMA & PARTNERS, IMP Building 3-7, Shiromi 1-chome, Chuo-ku, Osaka-sh, Osaka 01, 〒5400001, JP)