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:
Nov. 20, 2018
Filed:
Jun. 26, 2015
Yanmar Co., Ltd., Osaka-shi, JP;
Yanmar Co., Ltd., Osaka-shi, JP;
Abstract
The purpose of the present invention is to provide an exhaust purifier () which is capable of restoring a pressure difference (ΔP) and a purification rate (NOx removal efficiency) of a NOx catalyst () to the initial states thereof. An exhaust purifier () for removing particulate matter adhered to a NOx catalyst () by injecting pressurized air using an air injection nozzle () into a housing () of a catalyst reactor () in which the NOx catalyst () serving as a catalyst is positioned, wherein the particulate matter is removed by increasing the pressure inside the catalyst reactor () to a prescribed pressure (ΔIP) within a prescribed interval of time (t) by operating an injection valve () for supplying pressurized air.