Patent ID: 6503065
Filing Date: 2003-01-07
Classification: F01P,F04D

Abstract:
An engine blower comprising:a blower case; an engine case separated from the blower case by a wall; an engine provided in said engine case; a fan axially mounted in said blower case to be driven by the engine; a main suction port through which air is suctioned into the blower case; a first air inlet port provided near a center of the fan on the wall separating the engine case and the blower case for suctioning air from the engine case into the blower case; an outlet port provided on an outer periphery of the blower case through which the air in the blower case is jetted; wherein the fan comprises a rotating plate and vanes on both sides of the rotating plate for generating wind for the engine blower and wind for cooling the engine; wherein a ceiling of the engine case is set high to include the outer periphery of the blower case, wherein a second air inlet port is provided on a part of the outer periphery of the blower case covered by the ceiling to supply compressed air generated in the blower case to the engine case, wherein an air passage connecting with the second air inlet port is formed on an inside of the ceiling, and wherein a through hole is provided in the air passage to introduce air into the engine case from above the cylinder.