Device for reducing the vibration in the cabin of a rotary-wing aircraft, especially a helicopter
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United States of America Patent
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May 30, 2000
Grant Date -
N/A
app pub date -
Nov 12, 1998
filing date -
Nov 13, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a device for reducing the vibration in the cabin (2) of a rotary-wing aircraft, especially a helicopter (He). According to the invention, said device (1) comprises at least one sensor (C) arranged on the structure of the aircraft (He) and capable of measuring the values of at least one parameter that represents the vibration in said cabin (2); at least one controllable resonator (R), mounted directly in said cabin (2) and capable therein of generating a force which opposes said vibration; and a control unit (UC) capable of controlling said resonator (R) on the basis of the values measured by said sensor (C), so as to reduce and minimize said vibration.
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