Patent ID: 6908284
Filing Date: 2005-06-21
Classification: F04D

Abstract:
1. An axial fan, comprising a hub region ( 4 , 27 ) for connecting the axial fan with a driven shaft ( 20 ) of an electrical drive ( 21 ). whereby the axial fan is statically balanced by means of a balancing weight ( 26 ), wherein a flexurally soft connection is formed in the hub region ( 4 , 27 ) between the axial fan wheel ( 1 ) and the driven shaft ( 20 ) of an electrical drive ( 21 ), and further comprising a driver ( 23 ) composed of elastic material and mounted on the driven shaft ( 20 ) of the electrical drive ( 21 ), wherein the flexurally soft connection comprises an interconnection, by mean of fastening screws, between the hub region ( 4 , 27 ) having a plate-shaped hub recess ( 27 ) with openings ( 31 extending in a radial direction, and the driver ( 23 ).