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.

Date of Patent:
Apr. 24, 2018

Filed:

Apr. 07, 2014
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Masanobu Wada, Osaka, JP;

Masaaki Nagai, Osaka, JP;

Tetsuya Masuda, Gunma, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D 1/04 (2006.01); F28F 1/10 (2006.01); F28F 1/32 (2006.01); F28D 1/047 (2006.01); F28D 21/00 (2006.01); F25B 39/00 (2006.01);
U.S. Cl.
CPC ...
F28F 1/10 (2013.01); F28D 1/0477 (2013.01); F28F 1/32 (2013.01); F25B 39/00 (2013.01); F28D 2021/007 (2013.01); F28F 2215/00 (2013.01); F28F 2240/00 (2013.01);
Abstract

A heat transfer fin () comprises a plate-like base section (), a cylindrical collar section (), a recessed section () which has a sloped surface (), and a flare section () which, when combined with another heat transfer fin (), is in surface contact with the sloped surface () of the another heat transfer fin (). The sloped surface () of the recessed section () and the root of the collar section () are connected, the connection portion where the sloped surface () of the recessed section () and the collar section () are connected is bent at an acute angle, and the root of the collar section () reaches a position beyond a reference plane (S) which is in contact with a surface () of the base section (), the surface () being located on the side opposite the flare section ().


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