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:
Dec. 20, 2016
Filed:
Apr. 12, 2012
Masanori Kawaura, Ichinomiya, JP;
Hirohito Matsui, Okazaki, JP;
Tadafumi Yoshida, Kasugai, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken, JP;
NIPPON SOKEN, INC., Aichi-ken, JP;
Abstract
A cooling fin structure used in a cooler for an electric device includes a plurality of pin fins () arranged in a zigzag form in a coolant passage (). Each of the pin fins () has a circular portion () having a circular cross-section, and irregularly shaped portions () provided contiguously on the upstream and downstream sides of the circular portion () as viewed in a direction of flow of the coolant. The irregularly shaped portions () have an outer peripheral surface () that is formed along a circumference () having a center at a center point () of the circular portion () of a pin fin (B) that is located adjacent to the pin fin (A) having the irregularly shaped portions (), in an oblique direction relative to the direction of flow of the coolant.