Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2019/181109
Kind Code:
A1
Abstract:
This film capacitor is provided with: a capacitor element; a case 200 in which the capacitor element is accommodated; protrusions 260 disposed on each of the left surface 204 and the right surface 205 inside the case 200 and extending from the bottom surface 201 of the case 200 toward an opening 200a; and a filling resin filling the inside of the case 200, and which has a coefficient of linear expansion different from that of the case 200. Here, the filling resin fills the inside of the case 200 up to a level higher than an upper end surface 261 of the protrusion 260. Support columns 250 supporting a capacitor element unit including the capacitor element from the bottom surface 201 are provided on each of the left surface 204 and the right surface 205. A plurality of protrusions 260 are provided in regions of the left surface 204 and the right surface 205 in which the support columns are not provided, and protrude a shorter distance from the left surface 204 and the right surface 205 than the support columns 250.

Inventors:
MAENO Fumikazu
MIURA Toshihisa
KANATANI Eriko
Application Number:
JP2018/046004
Publication Date:
September 26, 2019
Filing Date:
December 14, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1-61, Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
International Classes:
H01G2/10; H01G4/224; H01G4/32
Foreign References:
JPH0385619U1991-08-29
US3806766A1974-04-23
JP3159076U2010-05-06
JP2002367857A2002-12-20
JP2006216618A2006-08-17
Attorney, Agent or Firm:
KAMATA Kenji et al. (1-61, Shiromi 2-chome, Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
Download PDF: