发明名称 |
CONSTANT NATURAL FREQUENCY BIFILAR VIBRATION ABSORBER FOR HELICOPTERS |
摘要 |
A bifilar vibration absorber (30) is provided for the main rotor of a helicopter in which the pendular mass (36) is constrained so that the path of motion of its cg relative to the rotor hub is a cycloid. |
申请公布号 |
IL57942(A) |
申请公布日期 |
1982.07.30 |
申请号 |
IL19790057942 |
申请日期 |
1979.07.31 |
申请人 |
UNITED TECHNOLOGIES CORP |
发明人 |
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分类号 |
B64C27/51;B64C27/00;F16F15/14;(IPC1-7):64C27/51 |
主分类号 |
B64C27/51 |
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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