| 发明名称 | Composite shroud and methods for attaching the shroud to plural blades | ||
| 摘要 | An impeller for a turbo-machine and is provided. The impeller includes a metallic base having a central hole, a back surface and a front surface opposite to the back surface; at least one blade extending on the front surface of the metallic base; a composite shroud attached to the at least one blade such that plural closed paths or vanes are formed by the front surface of the metallic base, the at least one blade and the composite shroud; and a connector configured to attach the composite shroud to the metallic base or the at least one blade. | ||
| 申请公布号 | US8998581(B2) | 申请公布日期 | 2015.04.07 |
| 申请号 | US201013319493 | 申请日期 | 2010.05.07 |
| 申请人 | Nuovo Pignone S.p.A. | 发明人 | Giovannetti Iacopo;Giannozzi Massimo;Bianchi Dino;Tognarelli Leonardo;Bigi Manuele;Massini Andrea |
| 分类号 | F01D5/22;B23P15/04;F01D1/02;F01D5/14;F04D29/02;F04D29/22;F04D29/28 | 主分类号 | F01D5/22 |
| 代理机构 | GE Global Patent Operation | 代理人 | GE Global Patent Operation ;Dombrowski Joanna M. |
| 主权项 | 1. An impeller for a turbo-machine, the impeller comprising: a metallic base having a central hole, a back surface and a front surface opposite to the back surface; at least one blade extending on the front surface of the metallic base; a composite shroud attached to the at least one blade such that plural closed paths are formed by the front surface of the metallic base, the at least one blade and the composite shroud; and a connector configured to attach the composite shroud to the metallic base or the at least one blade. | ||
| 地址 | Florence IT | ||