Patent ID: 7322183

Claim:
A method for controlling temperatures of exhaust gases emitted from an internal combustion engine to facilitate regeneration of particulates captured with a particulate filter, the internal combustion engine having a number of cylinders for internal combustion which emit exhaust gases and the particulate filter being in fluid communication with the emitted exhaust gases to capture particulates, the method comprising: determining a desired increase in exhaust gas temperature relative to current exhaust gas temperatures, the desired increase in exhaust gas temperature corresponding with a need to increase exhaust gas temperatures in order to facilitate regenerate of the particulate filter; operating a radiator fan as a function of the desired increase in exhaust gas temperature to increase load on the engine and thereby exhaust gas temperature so as to emit exhaust gases from the engine to meet the desired increase in exhaust gas temperature; and continuously adjusting radiator fan operation to maintain the exhaust gas temperature at a regeneration exhaust gas temperature once the desired increase in exhaust gas temperature is achieved, the regeneration exhaust gas temperature selected to facilitate regeneration.