Patent ID: 11859636
Assignee: BROSE FAHRZEUGTEILE GMBH & CO. KOMMANDITGESELLSCHAFT, WUERZBURG
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 5:
6. A radiator fan of a motor vehicle, the radiator fan comprising:
a fan wheel, the fan wheel comprising:
a hub to which at least two fan blades is connected; and
a stabilizing structure formed on each of the at least two fan blades, the stabilizing structure comprising a first material surrounded by a respective body of a second material,
wherein the fan blades are connected at their radial outer end to an outer ring arranged concentrically to the hub,
wherein the outer ring has a further stabilizing structure of another first material, which is surrounded by another body of another second material, and
wherein the stabilizing structure and the further stabilizing structure are directly attached to each other; and

a fan frame that has a round recess within which the fan wheel is arranged and which is driven by an electric motor that is connectable to the fan frame.