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:
Apr. 02, 2013
Filed:
Oct. 07, 2009
Masao Watanabe, Toyota, JP;
Takahiko Ido, Gifu-ken, JP;
Masao Watanabe, Toyota, JP;
Takahiko Ido, Gifu-ken, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Ibiden Co., Ltd., Ogaki-shi, Gifu-ken, JP;
Abstract
An outlet-side catalytic layerincludes a noble metal in a concentration that is a noble-metal concentration in an inlet-side catalytic layeror more, and the inlet-side catalytic layercontains an NOstorage material in a content that is greater than that in the outlet-side catalytic layerin the inlet-side catalytic layer, a pore catalytic layerand the outlet-side catalytic layer. PM are converted on the inlet side mainly, and NOare converted on the outlet side mainly. Therefore, the lowering of the noble metal's activities is suppressed, and additionally it is possible to convert PM and NOefficiently.