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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 10207376 B1

PDFFull Text
Date of Patent:
Feb. 19, 2019

Filed:

Aug. 21, 2014

Heat exchanger

Applicant:

Mahle Filter Systems Japan Corporation, Tokyo, JP;

Inventors:

Shozo Wakamatsu, Fujimino, JP;

Masahiro Ariyama, Yokohama, JP;

Kenji Wada, Kawagoe, JP;

Assignee:

MAHLE FILTER SYSTEMS JAPAN CORPORATION, Tokyo, JP;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Leonard R Leo

Int. Cl.
CPC ...
F28F 9/007 (2006.01); B23P 15/26 (2006.01); F28D 9/00 (2006.01); B23K 1/00 (2006.01); B23K 1/008 (2006.01); B23K 1/19 (2006.01); B23K 101/14 (2006.01); B23K 103/10 (2006.01);
U.S. Cl.
CPC ...
B23P 15/26 (2013.01); B23K 1/008 (2013.01); B23K 1/0012 (2013.01); B23K 1/19 (2013.01); F28D 9/005 (2013.01); F28D 9/0037 (2013.01); F28F 9/0075 (2013.01); B23K 2101/14 (2018.08); B23K 2103/10 (2018.08); F28F 2225/04 (2013.01);
Abstract

An oil cooler has a core portion () formed of stacked core plates (), a bottom plate (), a second bottom plate () and a top plate (), and these are brazed in a furnace. The core plate () has oil communication ports (), cooling water communication ports () and an oil outlet port (). The lower end core plate () has a boss portion () surrounding the cooling water communication port () and a boss portion () surrounding the oil outlet port (). Opening portions () opposite to the boss portions () are formed through the bottom plate (). Therefore, at the time of the brazing, a melted brazing material is not excessively gathered in the boss portion () because the melted brazing material is absorbed in the opening portions ().

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