Title:
HEAT EXCHANGER AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2014153006
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve heat exchange performance between water and a refrigerant in a heat exchanger that includes a water side tube composed of copper or copper alloy and a refrigerant side tube composed of aluminum or aluminum alloy and a method of manufacturing the heat exchanger.SOLUTION: A refrigerant side tube 30 is made of aluminum or aluminum alloy, and a water side tube 20 is made of copper or copper alloy. Either one of the refrigerant side tube 30 or the water side tube 20 is spirally wound around the outer periphery of the other. The water side tube 20 and the refrigerant side tube 30 are brazed by using Al-Cu-Si-based or Al-Cu-Si-Zn-based brazing filler material 50.
Inventors:
TOMITA RYOHEI
YANAGIDA AKIRA
NAGASHIMA HISAO
MORIMOTO MASAKAZU
YANAGIDA AKIRA
NAGASHIMA HISAO
MORIMOTO MASAKAZU
Application Number:
JP2013023934A
Publication Date:
August 25, 2014
Filing Date:
February 11, 2013
Export Citation:
Assignee:
DENSO CORP
International Classes:
F28F9/18; B23K1/00; B23K1/19; B23K3/06; F28D7/02; F28F19/06; B23K101/14; B23K103/10; B23K103/12; B23K103/18
Domestic Patent References:
| JP2010127496A | 2010-06-10 | |||
| JP2002005516A | 2002-01-09 | |||
| JP2002107069A | 2002-04-10 | |||
| JP2000117484A | 2000-04-25 | |||
| JPH0979766A | 1997-03-28 | |||
| JP2009074772A | 2009-04-09 | |||
| JP2011027346A | 2011-02-10 | |||
| JPH04359797A | 1992-12-14 | |||
| JPH09113178A | 1997-05-02 |
Foreign References:
| US4130232A | 1978-12-19 |
Attorney, Agent or Firm:
Patent business corporation paddle cause patent firm