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. 11, 2014
Filed:
Aug. 31, 2010
Hajime Kuwabara, Tokyo, JP;
Hajime Kuwabara, Tokyo, JP;
IHI Corporation, Tokyo, JP;
Abstract
A pair of coaxial electrodesthat face each other, a discharge-environment-maintaining deviceand a voltage-applying deviceare provided. Each coaxial electrodeincludes a center electrodea guide electrodewhich surrounds the front end portion of the facing center electrode, and an insulation memberwhich insulates the center electrode and the guide electrode from each other. The insulation memberis formed of partially porous ceramics including an insulative dense portionand a porous portionThe insulative dense portionincludes a reservoirwhich holds a plasma medium therein, and by the porous portionthe inner surface of the reservoircommunicates with a gap between the center electrodeand the guide electrodethrough the inside of the insulative dense portion