发明名称 |
Noise reduction in aircraft propellers |
摘要 |
The invention concerns reduction of tip vortices in aircraft propellers, wherein a fence having anhedral or dihedral is attached to the blades of the propeller. Another form of the invention is applicable to counterrotating propeller systems, wherein a fence is attached to the blades of the forward propeller of the system, and no fences are attached to the aft propeller.
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申请公布号 |
US5190441(A) |
申请公布日期 |
1993.03.02 |
申请号 |
US19900566203 |
申请日期 |
1990.08.13 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
MURPHY, GUY C.;GORDON, BRUCE J.;SMITH, JR., LEROY H.;SCHILLING, JAN C.;STUART, ALAN R. |
分类号 |
B64C11/00;B64C11/48;B64C23/06 |
主分类号 |
B64C11/00 |
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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