Capacitor

Details Capacitor Capacitor

2011-03-29

2011-03-29

Thomas, Eric (Department: 2835)

Electricity: electrical systems and devices

Electrolytic systems or devices

Liquid electrolytic capacitor

C361S519000

Reexamination Certificate

active

07916454

ABSTRACT:
A pressure control valve provided on a terminal plate of a capacitor includes a filter, a valve body and a cap. The filter is provided so as to close a through-hole disposed in a terminal plate and is composed of a gas permeable sheet preventing permeation of the electrolyte solution. The valve body is formed of an elastic material, has a cylindrical part and a bottom part, and is disposed so that the bottom part covers the through-hole of the terminal plate. The cap is fixed to the terminal plate, covers the valve body, and holds the valve body in a composed state with respect to the terminal plate. The cap is provided with a vent hole. The valve body and the filter are spaced apart from each other.

REFERENCES:
patent: 6310756 (2001-10-01), Miura et al.
patent: 2000-195761 (2000-07-01), None
patent: 2000-315632 (2000-11-01), None
patent: 2000-335649 (2000-12-01), None
patent: 2003-100571 (2003-04-01), None
patent: 2004-134632 (2004-04-01), None
patent: 2005-183754 (2005-07-01), None
International Search Report issued Dec. 25, 2007 in the International (PCT) Application of which the present application is the U.S. National Stage.
Partial English translation of JP 2000-195761, Jul. 2000.

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