| 摘要 |
<p>The present invention provides a multi-part plastic annular fan formed from a number of pieces, each piece having a plurality of upstanding fan blades and a number of integrally moulded cylindrical metal sleeves through which bolts extend to mount the fan parts to a flywheel of an engine drive train. Each fan part has an interlocking member at both ends thereof which secure the fan parts together, and a bolt extends through the interlocking members to secure the fan parts to the flywheel.</p> |
