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