Patent ID: 8206476

Claim:
A cover ( 120 ) for a diesel particulate filter ( 106 ) , the diesel particulate filter having a body with a top surface, an exhaust gas inlet ( 124 ) and an exhaust gas outlet ( 144 ) , the cover ( 120 ) comprising: a hollow chamber ( 128 ) having an open bottom ( 140 ) into which the diesel particulate filter ( 106 ) can be inserted, and an upper surface ( 150 ) having at least one air vent ( 152 ) configured to receive a flow of air and direct it across the top surface of the diesel particulate filter ( 106 ); a plenum ( 156 ) fixed to the hollow chamber ( 128 ) to cover the at least one air vent ( 152 ), the plenum ( 156 ) having an air inlet ( 158 ) and defining a plenum chamber configured to convey air to the air vent ( 152 ).