Axial Ventilator
AssigneeBehr GmbH & Co.
InventorUwe Aschermann
Life of this patent
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Abstract
The invention relates to an axial ventilator for the cooling device of an internal combustion engine, in particular for a motor vehicle, wherein said axial ventilator comprises a rotatably driven hub (2) provided with air blades (11-19) which are fixed thereto and radially inwardly limited by an internal diameter (Di) and radially outwardly limited by an external diameter (Da). In order to obtain a small-sized axial ventilator, the ratio between the internal (Di) and external (Da) diameters is greater than 40%.
Claims15
An axial fan for a radiator of an internal combustion engine comprising a rotatably driven hub, with fan blades that are fixed to said hub and limited radially inward by an inside diameter (Di) and radially outward by an outside diameter (Da), wherein the ratio of the inside diameter (Di) to the outside diameter (Da) is greater than 40 percent.
Dependencies are inferred from the claim text.