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.:
Date of Patent:
Mar. 02, 2021
Filed:
Dec. 20, 2017
Applicant:
T.rad Co., Ltd., Tokyo, JP;
Inventor:
Hiromi Ota, Tokyo, JP;
Assignee:
T.RAD CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F 3/08 (2006.01); F28D 9/00 (2006.01); B23K 1/00 (2006.01); B23K 1/19 (2006.01); F28F 3/02 (2006.01); F28F 9/02 (2006.01); F28F 21/08 (2006.01); B23K 103/04 (2006.01); B23K 35/30 (2006.01); F28D 21/00 (2006.01);
U.S. Cl.
CPC ...
F28D 9/005 (2013.01); B23K 1/00 (2013.01); B23K 1/19 (2013.01); F28F 3/027 (2013.01); F28F 9/0246 (2013.01); F28F 21/08 (2013.01); B23K 35/3033 (2013.01); B23K 2103/05 (2018.08); F28D 2021/0089 (2013.01); F28F 2275/04 (2013.01);
Abstract
A multi-plate oil cooler with high joining strength with an inner fin while suppressing a usage amount of a nickel brazing filler, even when ferrite-based stainless steel with low wettability for a nickel brazing filler is used for a plate is provided. A plate made from a ferrite-based stainless steel plate and an inner fin made from a pure iron plate or a carbon steel plate are joined with a nickel brazing filler to form a multi-plate oil cooler. In general, a structure body is provided wherein a ferrite-based stainless steel and pure iron or a carbon steel are joined with a nickel brazing filler.