Patent ID: 6017191
Filing Date: 2000-01-25
Classification: F04D,H02B,H05K

Abstract:
An axial fan housing comprising:an accommodating part which has an air passage opening for an axial fan and a metallic shielding grating which covers the air passage opening;the shielding grating being constructed in the manner of an air-guiding wheel with vane-like guide bar which extend over a certain axial air-conducting length and are substantially arranged substantially radially;the guide bars being arranged in distribution in at least two concentric circular series and the number of guide bars in the outer circular series being greater than that in the adjacent inner circular series; andeach guide bar, with respect to its longitudinal extension between its radially inner and outer connecting points, forming an angle of inclination with the radial direction such that the outer connecting point is displaced with respect to the radial direction.