Patent ID: 7452256
Filing Date: 2008-11-18
Classification: F02B

Abstract:
1. A machine comprising an internal combustion engine having an output shaft; and a generator having a shaft driven by the output shaft of the engine, and a housing for the generator, provided with air inlets through which cooling air for cooling the interior of the generator flows into the housing and air outlets through which cooling air that has cooled the generator is discharged as exhaust air; wherein: the internal combustion engine and the generator are disposed in an engine compartment with the output shaft of the engine and the shaft of the generator spaced a center distance apart from each other; an exhaust air duct is provided to surround the air outlets of the housing and to extend so as to carry the exhaust air to a predetermined position from which the exhaust air cannot easily flow again through the inlets into the housing, the internal combustion engine is provided with an intake air passage having a silencing chamber, the exhaust duct is extended through the silencing chamber, and a heat insulating separator wall is provided to isolate the exhaust duct from a space in the silencing chamber.