| 摘要 |
PURPOSE:To enable the operation of a fan at high temperatre for a long time, by making the parts of the fan of ceramic. CONSTITUTION:All parts such as blades 1, an impeller 2 and a rotary shaft 3 of a fan for supplying high-temperature gas are made of ceramic whose heat resistance is high and whose tensile strength is good at high temperature. The parts are assembled together all by fitting. |
