Patent ID: 8707687

Claim:
An exhaust gas treatment system for treating exhaust gases from a diesel engine of a land vehicle, the land vehicle comprising first and second elongated vehicle frame rails that extend in a lengthwise direction of the vehicle, the exhaust gas treatment system comprising: a housing for coupling to at least one of the frame rails and comprising an exhaust gas inlet and an exhaust gas outlet; first and second diesel particulate filters within the housing, each diesel particulate filter comprising a diesel particulate filter inlet coupled to the exhaust gas inlet and a diesel particulate filter outlet; a diesel exhaust fluid mixing chamber within the housing, the mixing chamber comprising a mixing chamber inlet coupled to each of the diesel particulate filter outlets and a mixing chamber outlet; first and second selective catalytic reduction (SCR) converters within the housing, each SCR converter comprising an SCR inlet coupled to the mixing chamber outlet and an SCR outlet coupled to the exhaust gas outlet; and wherein the first and second SCR converters and the first and second diesel particulate filters are elongated in length, and wherein the first and second SCR converters overlap the first and second diesel particulate filters at least partially along the length of the first and second SCR converters.