US 12,258,971 B1
Fan assembly
Pirooz Moradnia, Dublin, OH (US); and Jason A Widmer, Marysville, OH (US)
Assigned to Honda Motor Co., Ltd., Tokyo (JP)
Filed by Honda Motor Co., Ltd., Tokyo (JP)
Filed on Sep. 13, 2023, as Appl. No. 18/466,649.
Int. Cl. F04D 25/02 (2006.01); F04D 19/00 (2006.01); F04D 29/053 (2006.01); F04D 29/32 (2006.01)
CPC F04D 25/02 (2013.01) [F04D 19/002 (2013.01); F04D 29/053 (2013.01); F04D 29/326 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A fan assembly, comprising:
a fan having
a shroud including
a body having an inner surface defining a flow chamber, and
a plurality of teeth arrayed circularly around a circumference of the body, wherein the plurality of teeth extends outwardly from an end of the body in a direction parallel to a central axis of the shroud,
a plurality of blades arranged circularly around a central axis of the fan and extending radially inwardly from the shroud towards the central axis of the fan, wherein each of the plurality of blades is arranged inside the flow chamber and includes an outer edge connected to the inner surface of the shroud; and
a drive assembly arranged outside the shroud and operatively engaged with the plurality of teeth of the shroud to rotate the fan around the central axis.