They are sometimes referred to as props. Typically, fan blades and propellers are used in axial fans, industrial blowers, boats, and airplanes. Industrial fan blades are usually made of cast or ...

Axial fans include propeller vans, vane axial fans, and tube axial fans. With these designs, the fan blade circulates parallel to the air flow. Bi-lobal and tri-lobal fans consist of multiple ...