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:
Jun. 02, 2020
Filed:
Apr. 11, 2017
Nichicon Corporation, Kyoto, JP;
Takaya Sakai, Kyoto, JP;
Mitsuru Yoneda, Kyoto, JP;
Kazuhiro Yasukawa, Kyoto, JP;
Yuichi Kanayama, Tokyo, JP;
Shingo Sakata, Tokyo, JP;
NICHICON CORPORATION, Kyoto-Shi, JP;
Abstract
An aluminum electrolytic capacitor includes: an exterior case of a bottomed cylindrical shape for accommodating a capacitor element in which an anode foil and a cathode foil are wound in an overlapping manner with a separator interposed therebetween; and an elastic sealing member for sealing an opening of the exterior case, wherein the exterior case is formed with, on an outer circumferential surface, a plurality of tapered concave portions whose depth in the radial direction becomes shallow from the bottomed cylindrical bottom toward the opening side, whereby a tapered raised portion, which is raised toward the center side in the radial direction, is formed on an inner circumferential surface located on the back surface of the concave portion, and the capacitor element is abutted and supported by the raised portion.