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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9365931 B1

PDFFull Text
Expired
Date of Patent:
Jun. 14, 2016

Filed:

Sep. 10, 2007

Aluminum alloy with high seawater corrosion resistance and plate-fin heat exchanger

Applicants:

Takeshi Ohwaki, Kobe, JP;

Nobuhiro Kobayashi, Kobe, JP;

Koji Noishiki, Takasago, JP;

Inventors:

Takeshi Ohwaki, Kobe, JP;

Nobuhiro Kobayashi, Kobe, JP;

Koji Noishiki, Takasago, JP;

Assignee:

Kobe Steel, Ltd., Kobe-shi, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Allen Flanigan

Assistant Examiner:

Jason Thompson

Int. Cl.
CPC ...
F28D 1/04 (2006.01); F28F 13/18 (2006.01); F28F 19/00 (2006.01); C23C 28/00 (2006.01); C09D 5/08 (2006.01); C23F 11/167 (2006.01); F28F 19/04 (2006.01); F28F 21/08 (2006.01);
U.S. Cl.
CPC ...
C23C 28/00 (2013.01); C09D 5/086 (2013.01); C23F 11/1676 (2013.01); F28F 19/04 (2013.01); F28F 21/084 (2013.01); Y10T 428/263 (2015.01);
Abstract

An aluminum alloy for use in a plate-fin heat exchanger having a heat transfer portion with seawater as a coolant includes an organic phosphonic acid underlying coating disposed on the surface of the aluminum alloy and a fluorocarbon resin coating disposed on the organic phosphonic acid underlying coating, the fluorocarbon resin coating having an average thickness of 1 to 100 μm after drying. The aluminum alloy has improved durability of coating adhesion and excellent seawater corrosion resistance.

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Ohwaki, Takeshi. (2016). Aluminum alloy with high seawater corrosion resistance and plate-fin heat exchanger (U.S. Patent No. 9365931). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9365931

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