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:
Feb. 28, 2017
Filed:
Mar. 05, 2014
Hitachi, Ltd., Chiyoda-ku, Tokyo, JP;
Hiroshi Kamizuma, Tokyo, JP;
Kinya Nakatsu, Tokyo, JP;
Junpei Kusukawa, Tokyo, JP;
Takeshi Tokuyama, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A capacitor device includes: a film capacitor element that has a coiled body in which an insulating layer and an electrification layer are laminated and wound together, and a pair of collector electrodes that are formed upon two opposite end faces of the coiled body; a case that has a capacitor housing portion within which the film capacitor element is received; a pair of inserts having insulation properties, one of which is inserted between one of the pair of collector electrodes and one of inner walls of the capacitor housing portion; and a mass of sealing and insulating material that is charged between the film capacitor element and the one of the inner walls of the capacitor housing portion.