发明名称 |
Fan rotor for an airplane turbojet |
摘要 |
A fan rotor for an airplane turbojet including locking blade roots in the respective grooves of an airplane turbojet fan rotor. Each blade root is housed in a groove that is closed by a main latch and by an additional latch that is distinct from the main latch and that is spaced apart therefrom by a predetermined distance. |
申请公布号 |
US8899935(B2) |
申请公布日期 |
2014.12.02 |
申请号 |
US201013318502 |
申请日期 |
2010.04.19 |
申请人 |
Snecma |
发明人 |
Buisson Herve;Goga Jean-Luc |
分类号 |
F01D5/30;F04D29/32 |
主分类号 |
F01D5/30 |
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 fan rotor comprising:
fan blades attached to a periphery of a wheel, each blade including a blade root engaged in a groove in the wheel and retained therein by a latch engaged in notches formed in a vicinity of and on either side of an upstream end of the corresponding groove to oppose movement of the blade root in an axial direction, each latch, as a main latch, being associated with an additional latch that is distinct from the main latch, wherein the additional latch is spaced apart from the main latch at a predetermined distance, the additional latch being situated between the main latch and an upstream end of the blade root engaged in the groove. |
地址 |
Paris FR |