Patent ID: 8915071
Filing Date: 2014-12-23
Classification: F01N,Y10T

Abstract:
1. An exhaust gas purifying device comprising: a plurality of gas purifying bodies which purifies an exhaust gas discharged by an engine; a plurality of inside cases which is inward provided with the respective gas purifying bodies; and outside cases which are inward provided with the respective inside cases; and wherein an outlet end portion of the inside case in an exhaust gas upstream side and an inlet end portion of the inside case in an exhaust gas downstream side are superposed as a double structure, a sensor boss body for supporting an exhaust gas pressure sensor is arranged in an outside surface of the outlet end portion or the inlet end portion of the double structure, and the sensor boss body is extended to an outside direction of the outside case; and wherein a heat shielding case which is the outside surface of a first inside case is provided on the inside of the outside case, a second inside case is inserted into the heat shielding case, one end side of the heat shielding case is attached to the outer circumferential surface on the inward side of the end surface of the first inside case, and a sensor boss body is attached to the outer circumferential surface of the heat shielding case proximal to the end surface of the first inside case.