US Patent 8038394 System and method of damping a 1P motion
Patent 8038394 was granted and assigned to Sikorsky Aircraft on October, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A rotor system includes a multiple of rotor blade yokes mounted to a rotor hub. A lead/lag damper is mounted to each of the rotor blade yokes and to a damper hub. An actuator system is operable to shift a damper hub axis of rotation relative the rotor axis of rotation to minimize 1P damper motions. A method of minimizing 1P damper motions within a rotor system includes shifting the damper hub axis of rotation relative the rotor axis of rotation to oscillate an inner connector of each lead/lag damper in phase with a 1P blade motion to minimize the 1P motion of the damper.
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Patent Inventor Names
Brandon L. Stille0
Timothy Fred Lauder0
William A. Welsh0
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US Patent 08038394 System and method of damping a 1P motion US Patent 8038394 System and method of damping a 1P motion
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Patent Number
08038394
Patent Number
8038394
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US Patent 08038394 System and method of damping a 1P motion
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Is a
Current assignee
Patent jurisdiction
Patent number
08038394
Date of patent
October 18, 2011
Patent application number
12015149
Date Filed
January 16, 2008
Patent primary examiner
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