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:
Jun. 17, 2014

Filed:

Jun. 02, 2010
Applicants:

Koichi Mori, Tokyo, JP;

Mitsuru Nozue, Tokyo, JP;

Minoru Yagi, Tokyo, JP;

Inventors:

Koichi Mori, Tokyo, JP;

Mitsuru Nozue, Tokyo, JP;

Minoru Yagi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01G 9/00 (2006.01); H01M 2/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A metal electrolytic capacitor capable of quickly absorbing and immobilizing a belching vapor of a driving electrolyte and widely reducing leakage when an explosion-proof valve operates. An aluminum electrolytic capacitor body is configured by housing a capacitor element in a cylindrical aluminum case, a pair of leads extend from the capacitor body, an explosion-proof valve. is formed on a top panel portion of the metal case, a cylindrical cap as a casing is attached from above to the capacitor body, a plurality of small openings are formed on a top panel portion (bottom portion) of the cap, and an absorbent or a mixture of an absorbent and a water molecular compound wrapped in a permeable fiber material, such as unwoven fabric and filter paper, is placed in a space between the cap and the top panel portion of the capacitor body.


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