发明名称 |
Noise reducing method for e.g. turbomachine, involves sucking air from leading edge of fan blade towards blade base and blowing air at trailing edge towards blade head, where air is transported between inlet and outlet orifices of channel |
摘要 |
The method involves sucking air from a leading edge (30) of a fan blade (18) towards a blade base (34), and blowing air at a trailing edge (32) towards a blade head (36). The air is transported across the blade between an inlet orifice (42) and an outlet orifice (44) of a channel (40) that is arranged in the blade. The inlet orifice emerges from the leading edge and the outlet orifice emerges from the trailing edge. Independent claims are also included for the following: (1) a silencer device for implementing a noise reduction method (2) an aircraft engine (3) a fan blade (4) a turbomachine (5) a fan. |
申请公布号 |
FR2893993(A1) |
申请公布日期 |
2007.06.01 |
申请号 |
FR20050053640 |
申请日期 |
2005.11.30 |
申请人 |
SNECMA SOCIETE ANONYME |
发明人 |
DAMBRINE BRUNO;LEBRUN MAXIME;ROUSSELIN STEPHANE |
分类号 |
F04D29/66;F04D29/38 |
主分类号 |
F04D29/66 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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