Rod-shaped high-stress active connection element as well as rotorcraft having such a connection element
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United States of America Patent
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Jul 24, 2007
Grant Date -
Jul 7, 2005
app pub date -
Dec 13, 2004
filing date -
Dec 12, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
Active connection element for connecting at least two structural components with a first end with a first connection area assigned to the first structural component and a second end with a second connection area assigned to the second structural component, a load-diminishing intermediate section through which intermediate section the flux of force between the first and second connection areas extends when the connection element is loaded, in which at least one controllable extension actuator having at least a piezo stack is arranged parallel to the intermediate section. When operated, the piezo stack extends the connection element at least in the area of the intermediate section in a controlled manner in order to actively suppress or insulate vibrations between the structural components. A prestressing device having a prestressing element exercises a compressive prestressing onto the piezo stack.
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