An exhaust gas purification device of an internal combustion engine is taught that preferably include a storage tank storing an exhaust gas purification solution that is injected into an exhaust passage of the internal combustion engine, a solution supply line that is constructed to introduce the exhaust...http://www.google.es/patents/US7886525?utm_source=gb-gplus-sharePatente US7886525 - Exhaust gas purification device of internal combustion engine
Exhaust gas purification device of internal combustion engine