Constant frequency bifilar vibration absorber
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United States of America Patent
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-
Aug 19, 1980
Grant Date -
N/A
app pub date -
Aug 4, 1978
filing date -
Aug 4, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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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