Patent 9523372 was granted and assigned to BorgWarner on December, 2016 by the United States Patent and Trademark Office.
A fan member particularly for use in a vehicle cooling system. A formed metal hub member with a plurality of plastic polymer blade members. The blade members are overmolded on the hub member, preferably individually. The plastic polymer material is molded through openings in the hub member to help securely hold the blade members in place.