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:
Jul. 10, 2018
Filed:
Oct. 25, 2016
Cataler Corporation, Kakegawa-shi, Shizuoka, JP;
Yasutaka Nomura, Kakegawa, JP;
Shingo Sakagami, Kakegawa, JP;
Ryota Onoe, Kakegawa, JP;
Yuta Morishita, Kakegawa, JP;
Junji Kuriyama, Kakegawa, JP;
Hiroshi Sekine, Kakegawa, JP;
CATALER CORPORATION, Kakegawa-shi, JP;
Abstract
The exhaust gas purification device according to the present invention includes a substrate of wall flow structure having a porous partition wall, and a catalyst layer held in internal pores of the partition wall. The catalyst layer contains, as a carrier, an OSC material having oxygen storage capacity. In the thickness direction of the partition wall, the porosity of the internal pores in inlet regionsis 25% or higher, and an average occupation ratio of the catalyst layer held in the internal pores is 75% or lower.