Patent ID: 9308495
Filing Date: 2016-04-12
CPC Classification: B01D,B01F,F01N,Y02T

Claim Text:
1. An exhaust purifier for purifying exhaust gas of an engine, the exhaust purifier comprising: a pipe through which exhaust gas flows, the pipe including an injection area into which a reducing agent is injected, the exhaust gas entering the pipe substantially along an axis line of the pipe; an injector that injects a reducing agent into the pipe; and a guide member that guides the exhaust gas flowing through the pipe, the guide member comprising: a first guide portion that is formed into a circular arc shape in the cross section sharing a center axis with the injection area; and a second guide portion that extends from the first guide portion in a direction departing from the injection area, wherein the guide member guides the exhaust gas toward one side of the injection area by covering an exhaust gas upstream side of the injection area, and wherein the circular arc shape of the first guide portion extends less than 90 degrees around the center axis.