| 摘要 |
The fan has a blade (10) formed as solid non-metallic hollow body, and parts of a blade base (20) extending into a cavity of the blade. The cavity of the blade is formed for adjacent fans of a series of fan when parts of the blade base facing a hub are adapted to the fans. The parts of the blade base extending into the cavity of the blade fix the blade at the blade base. Adhesive surfaces are firmly adhered with the blade, where the adhesive surfaces are turned towards inner walls of the blade. The blade is fastened to the hub. The blade base is made of aluminum. |
