Patent 7587894 was granted and assigned to LG on September, 2009 by the United States Patent and Trademark Office.
An exhaust structure for an engine is disclosed. The exhaust structure includes an exhaust line, through which the exhaust gas discharged from the engine passes. The exhaust line has a double pipe structure capable of preventing the condensed water formed in the exhaust line from entering the engine, so that it is possible to prevent engine failure, and thus, to achieve an enhancement in the durability and reliability of the engine.