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Title:
PRECOATED FIN MATERIAL AND HEAT EXCHANGER USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/047971
Kind Code:
A1
Abstract:
Provided are: a precoated fin material with which a heat exchanger can be produced, said heat exchanger having superior hydrophilic stability of the fins, superior bonding properties, and enabling bonding between fins and aluminum tubing without separately supplying a brazing material; and a heat exchanger that uses the precoated fin material. A precoated fin material (1) comprising an aluminum alloy sheet (11) and a coating film (12) formed on the surface of the aluminum alloy sheet (11), and a heat exchanger using the precoated fin material (1). The aluminum alloy sheet (11) comprises chemical components that contain 1-5 mass% of Si, with the remainder comprising Al and unavoidable impurities. The Si content in the coating film (12) is 10-300 mg/m2.

Inventors:
SHIOMI KOHEI (JP)
FUJIMURA RYOKO (JP)
MIZUTA YOSHIHIKO (JP)
Application Number:
PCT/JP2017/032783
Publication Date:
March 15, 2018
Filing Date:
September 12, 2017
Export Citation:
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Assignee:
UACJ CORP (JP)
International Classes:
F28F1/32; B23K1/00; B23K1/20; C22C21/00; C22C21/02; C22C21/10; C22F1/00; C22F1/04; F28F19/02; F28F21/08
Domestic Patent References:
WO2014196183A12014-12-11
WO2015182318A12015-12-03
Foreign References:
JP2016164479A2016-09-08
JP2012126950A2012-07-05
JPH07102337A1995-04-18
JPH06145861A1994-05-27
JP2012224923A2012-11-15
JPH01159343A1989-06-22
JP2012112000A2012-06-14
JP2013137153A2013-07-11
JP2009162450A2009-07-23
Attorney, Agent or Firm:
AICHI, TAKAHASHI, IWAKURA & ASSOCIATES (JP)
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