Title:
HEAT EXCHANGER FOR HOT WATER SUPPLY
Document Type and Number:
WIPO Patent Application WO/2005/075914
Kind Code:
A1
Abstract:
Disclosed is a heat exchanger for hot water supply comprising a water pipe (1) serving as a water channel (W) and a refrigerant pipe (2) serving as a refrigerant channel (R), wherein water flowing in the water channel (W) is heated by a refrigerant flowing in the refrigerant channel (R). A heat transmission accelerating means is arranged in a portion (A) as the inlet part of the water channel (W) where the temperature of the water is not more than a certain value, so that the performance of the heat exchanger is greatly improved as a whole.
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Inventors:
SHIBATA YUTAKA (JP)
NAKATA HARUO (JP)
NAKATA HARUO (JP)
Application Number:
PCT/JP2005/001687
Publication Date:
August 18, 2005
Filing Date:
February 04, 2005
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
SHIBATA YUTAKA (JP)
NAKATA HARUO (JP)
SHIBATA YUTAKA (JP)
NAKATA HARUO (JP)
International Classes:
F24H1/00; F24H9/00; F25B39/04; F28D7/00; F28D7/02; F28F1/40; (IPC1-7): F28D7/00; F24H1/00; F24H9/00
Foreign References:
| JP2003097898A | 2003-04-03 | |||
| JPH0972683A | 1997-03-18 | |||
| JP2004190923A | 2004-07-08 |
Other References:
See also references of EP 1719964A4
Attorney, Agent or Firm:
Maeda, Hiroshi (5-7 Hommachi 2-chome, Chuo-k, Osaka-shi Osaka, JP)
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