发明名称 |
Propeller blade with modified spar layup |
摘要 |
A propeller blade (100) includes a foam core (205) and a structural layer formed of multiple layers (206a, 206b) that surrounds at least a portion of the foam core (205). The structural layer includes a mid-thickness location defined between the foam core and an outer edge of the structural layer and the multiple layers (206a, 206b) include at least one unidirectional layer (206b) and at least one biased layer (206b) disposed asymmetrically about the mid-thickness location. |
申请公布号 |
EP2660146(A1) |
申请公布日期 |
2013.11.06 |
申请号 |
EP20120305486 |
申请日期 |
2012.04.30 |
申请人 |
HAMILTON SUNDSTRAND CORPORATION;RATIER-FIGEAC |
发明人 |
NAGLE, DAVID P.;BRION, PATRICE;PRUNET, LUDOVIC |
分类号 |
B64C11/26;B64C27/473 |
主分类号 |
B64C11/26 |
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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