Patent ID: 7530349

Claim:
An exhaust treatment apparatus for a vehicle, said apparatus comprising: a main tank housing having a hollow tank chamber formed therein, said tank housing configured and adapted to hold a fluid solution in said tank chamber, said main tank housing having an intake port therein to permit addition of said fluid solution into said tank chamber and an outlet port formed therein to allow passage of an EGR mixture outwardly from said tank chamber; an exhaust pipe which passes through the tank chamber of said main tank housing for connecting to an exhaust system of a vehicle, said exhaust pipe having a passage formed therethrough to permit the flow of exhaust gas through said exhaust pipe, and an EGR tube branching off of the primary exhaust pipe within the main tank housing, said EGR tube having a proximal end attached to and in fluid communication with the primary exhaust pipe, and a distal end opposite said first end and disposed in said tank chamber of said main tank housing, said distal end of said EGR tube being open to said tank chamber and adapted to be immersed in said fluid solution during use.