Title:
HEAT EXCHANGER AND HEAT PUMP WATER HEATER USING IT
Document Type and Number:
Japanese Patent JP3812507
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a heat exchanger with favorable durability and a heat pump water heater using it preventing corrosion caused by junction of different types of metal.
SOLUTION: The heat exchanger and the heat pump water heater using the heat exchanger is provided with a first heat exchanger tube 11, a tube body 12 having a hollow part 13, a second heat exchanger tube 14 conveying a second fluid provided in the tube body 12, a heat exchanging unit 15 composed by internally fitting the first heat exchanger tube 11 in the hollow part 13, and a lid body 16 having a groove like passage 18 corresponding the second heat exchanging tube 14. The lid body 16 is joined to an end part of the tube body 12.
Inventors:
Flock
Takeshi Watanabe
Keijiro Kunimoto
Masahiro Ohama
Satoshi Matsumoto
Ryuta Kondo
Yoshitsugu Nishiyama
Koji Oka
Seiichi Yasuki
Takeshi Watanabe
Keijiro Kunimoto
Masahiro Ohama
Satoshi Matsumoto
Ryuta Kondo
Yoshitsugu Nishiyama
Koji Oka
Seiichi Yasuki
Application Number:
JP2002220995A
Publication Date:
August 23, 2006
Filing Date:
July 30, 2002
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
F24H1/00; F28D7/10; F24H9/00; F28D1/053; (IPC1-7): F28D7/10; F24H1/00; F24H9/00; F28D1/053
Domestic Patent References:
| JP59097368U | ||||
| JP58120090A | ||||
| JP58133591A | ||||
| JP2000104940A | ||||
| JP2001304701A |
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano
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