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:
Jan. 27, 2015
Filed:
Aug. 24, 2010
Noriaki Kumagai, Susono, JP;
Mamoru Yoshioka, Susono, JP;
Naoya Takagi, Mishima, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;
Abstract
The present invention is intended to suppress a decrease in insulation resistance between electrodes and a case in an electric heating catalyst (EHC). An EHC () according to the present invention is provided with a heat generation element () that is energized to generate heat thereby to heat a catalyst, a case () that receives the heat generation element therein, an insulating member () that is arranged between the heat generation element () and the case () for insulating electricity, electrodes () that are connected to the heat generation element () through an electrode chamber () which is a space located between an inner wall surface of the case () and an outer peripheral surface of the heat generation element (), and a ventilation passage () that ventilates the electrode chamber.