Patent ID: 6331740
Filing Date: 2001-12-18
Classification: F02B

Abstract:
An engine generator unit comprising:an engine;an electric-power generator to be driven by said engine, said engine and said electric-power generator being provided coaxially in a direction of an engine output shaft;a fuel tank disposed above said engine and electric-power generator;a muffler connected to an exhaust-discharging end of said engine and positioned above said engine adjacent said fuel tank;a heat blocking cover covering top and side portions of said muffler;a fan cover having a generally cylindrical shape, said fan cover covering said electric-power generator and extending close to said engine; anda cooling fan device disposed in a cooling-air inlet portion of said fan cover for introducing cooling air, from outside said engine generator unit, to said electric-power generator covered with said fan cover, an engine-cooling air passage having a cooling-air inlet portion that faces a cooling-air outlet portion of said fan cover being provided to cool an outer surface of said engine by the cooling air flowing out through the cooling-air outlet portion of said fan cover,said engine-cooling air passage being branched to provide a muffler-cooling air passage extending between said muffler and said heat blocking cover,whereby the cooling air is allowed to cool both said engine and said muffler after having cooled said electric-power generator.