| 发明名称 |
Constant frequency bifilar vibration absorber |
| 摘要 |
A bifilar vibration absorber is provided for the main rotor of a helicopter in which the pendular mass is constrained so that the path of motion of its cg relative to the rotor hub is a cycloid.
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| 申请公布号 |
US4218187(A) |
申请公布日期 |
1980.08.19 |
| 申请号 |
US19780931034 |
申请日期 |
1978.08.04 |
| 申请人 |
UNITED TECHNOLOGIES CORP |
发明人 |
MADDEN, JOHN F |
| 分类号 |
B64C27/51;B64C27/00;F16F15/14;(IPC1-7):B64C27/32 |
主分类号 |
B64C27/51 |
| 代理机构 |
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代理人 |
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| 地址 |
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