专利名称：Method and apparatus for the manufacture
of variable dimension fans
发明人：William D. Phelps申请号：US06/822863申请日：19860127公开号：US04669164A公开日：19870602
摘要：Construction of impellers of various dimensions are manufactured from tubularhub stock and sheet-like blade stock by cutting a hub of particular length from said hubstock and blades of corresponding length from said blade stock and attaching saidblades to said hub. The bore of the hub may be enlarged according to a specifiedsupport shaft diameter, and the overall diameter of the impeller may be altered,preferably by trimming ends of the blades prior to mounting on the hub.
申请人：PHELPS; WILLIAM D.
代理人：Franklin D. Wolffe,Morris Fidelman
更多信息请下载全文后查看
因篇幅问题不能全部显示，请点此查看更多更全内容