Patent ID: 7557458
Filing Date: 2009-07-07
Classification: F01P,F02B,H02K

Abstract:
1. A soundproof type engine generator with a generator and an engine disposed side by side in a soundproof case, comprising: a first external air inlet and a second external air inlet on the soundproof case; a first cooling passage configured to guide external air introduced from the first external air inlet through a duct to a first fan, the first fan configured to guide the said external air to the generator, the air then discharged out of the soundproof case; a second cooling passage configured to guide external air introduced from the second external air inlet with a second fan to the engine, the air then discharged out of the soundproof case; and the first fan comprising: wherein external air introduced into the soundproof case from the first external air inlet with the plurality of first blades is guided through the duct to the generator and then discharged out of the soundproof case, and air in the soundproof case is discharged with the plurality of second blades out of the soundproof case.