| 发明名称 | Propeller hub | ||
| 摘要 | A hub of a propeller with variable-pitch blades for a turbine engine, for example for a propfan engine. The hub of the propeller includes a polygonal ring with substantially radial cylindrical recesses distributed about a central axis of the ring for receiving the blades, a turbine rotor element of the turbine engine, and a securing flange that is attached to the ring so as to connect the ring to the rotor element. The hub further includes a plurality of back-up hooks inserted with clearance in openings, the back-up hooks being connected either to the ring or to the rotor element, and the openings being connected to the other one of the two. | ||
| 申请公布号 | US8926279(B2) | 申请公布日期 | 2015.01.06 |
| 申请号 | US201013382026 | 申请日期 | 2010.07.02 |
| 申请人 | SNECMA | 发明人 | Boston Eric Jacques;Bouru Michel Andre;Jablonski Laurent;Joly Philippe Gerard Edmond |
| 分类号 | F01D7/00;F01D1/24;F04D29/32;B64C11/30;F02K3/072;B64D27/00 | 主分类号 | F01D7/00 |
| 代理机构 | Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. | 代理人 | Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. |
| 主权项 | 1. A propeller hub with variable-pitch blades for a turboengine, comprising: a polygonal ring including substantially radial cylindrical recesses distributed about a central axis of the polygonal ring to receive the blades; a turbine rotor element of the turboengine; a securing flange attached to the polygonal ring so as to connect the polygonal ring to the turbine rotor element; and a plurality of back-up hooks inserted in an axial direction of the polygonal ring into openings with clearance in the openings, the back-up hooks being connected to either the polygonal ring or the turbine rotor element, and the openings being connected to the other one of the polygonal ring or the turbine rotor element. | ||
| 地址 | Paris FR | ||