Patent ID: 8683788

Claim:
An exhaust gas purifying device comprising: a gas purifying filter for purifying an exhaust gas exhausted from an engine; an inner case having the gas purifying filter built in; and an outer case having the inner case built in; and wherein an exhaust gas inlet pipe having an exhaust gas inlet is provided, an exhaust gas inflow port is provided in one end side in a longitudinal direction of the outer case, the exhaust gas inlet pipe is arranged in a midstream portion in the longitudinal direction of the outer case, and an exhaust gas outlet of the exhaust gas inlet pipe is connected to the exhaust gas inflow port; wherein the exhaust gas inlet side of the exhaust gas inlet pipe is connected to an exhaust gas manifold of the engine in such a manner that an attaching direction is changeable; and wherein a conduction passage of the exhaust gas is constructed by an outer surface of the outer case and an inner surface of the exhaust gas inlet pipe.