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:
Mar. 15, 2022
Filed:
Aug. 06, 2019
Honda Motor Co., Ltd., Tokyo, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
Provided is a catalyst device that makes it possible to efficiently purify exhaust gas. A catalyst device that comprises: a carrier that is formed by stacking and rolling a metal-foil-shaped flat plate and a metal-foil-shaped corrugated plate and that carries a catalyst; and an outer cylinder that houses the carrier and supports the carrier such that one end part of the carrier is oriented toward an exhaust gas upstream side and another end part of the carrier is oriented toward an exhaust gas downstream side. The flat plate and the corrugated plate have a plurality of holes and are covered by a coating film that includes a catalyst substance. The coating film that covers the downstream side of the holes is thicker than the coating film that covers the upstream side of the holes.