Patent ID: 8257455

Claim:
A diesel particulate filter (DPF) trap comprising: a filter that is connected to an exhaust conduit at a side opposite to that of an engine; a plasma burner that is provided in the exhaust conduit between the engine and the filter, and that heats exhaust gas, wherein the plasma burner comprises a fuel inlet that supplies fuel, a flame vent that projects a flame by a plasma discharge, a reaction furnace provided within the exhaust conduit, an electrode provided within the reaction furnace that is separated from an internal wall of the reaction furnace by a gap, the plasma discharge being generated in the gap, an ejecting air inlet that injects air for ejecting fuel that is injected to the fuel inlet, a discharge air inlet that supplies discharge air into the plasma burner; and a base that comprises a mixture chamber in which the fuel inlet, the ejecting air inlet, and the discharge air inlet are formed; a fuel inflow conduit that connects the fuel inlet and a fuel tank; an ejecting air inflow conduit connected to the ejecting air inlet; and a discharge air inflow conduct connected to the discharge air inlet, wherein the discharge air inflow conduit is connected to the mixture chamber of the base while passing across the exhaust conduit.