Commercial motor vehicle blower e.g. radiator fan, for cooling internal combustion engine, has central hub with hub axle, and blower wheel surrounding central hub, where blower wheel has blades, which extend away radially from central hub

摘要

The vehicle blower e.g. radiator fan (10), has a central hub (16) with a hub axle, and a blower wheel (12) surrounding the central hub, where the blower wheel has blades (14), which extend away radially from the central hub. The blades have two dimensional covering of its front edges (20) and/or its rear edges (22) in a front view of the blower wheel. The blades are designed in a corrugated shape, where the blades are projected radially above a ring (18).