VANES FOR THE IMPELLER OF A VENTILATOR, IMPELLER, AND AXIAL VENTILATOR, DIAGONAL VENTILATOR, OR RADIAL VENTILATOR

摘要

The invention relates to vanes for the impeller of a ventilator, in particular an axial ventilator, diagonal ventilator, or radial ventilator, comprising a waved leading edge and a waved trailing edge, wherein the waves on the leading edge have a larger wavelength than the waves on the trailing edge. The invention also relates to an impeller with corresponding vanes and to axial ventilators/diagonal ventilators and radial ventilators comprising an impeller with corresponding vanes.