Patent 10030667 was granted and assigned to Regal Beloit on July, 2018 by the United States Patent and Trademark Office.
A forward curved blower wheel has fan blades having relatively small leading edge blades angles and a relatively lengthy mean camber lines. The blower wheel also comprises leading edge notches adjacent its blower wheel inlet. The leading edge notches eliminate buffeting that would occur with such blades if such notches were not present.