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Class Information
Number: 244/99.13
Name: Aeronautics > Aircraft control > Flutter control
Description: Subject matter in which the control of the aircraft involves (1) means for manipulating (e.g., positioning) a control element (e.g., control surface) or (2) static structure for supporting a control element, the means for manipulating or the static structure operating to prevent or limit vibration (i.e., flutter) of the control element.










Patents under this class:

Patent Number Title Of Patent Date Issued
8234037 Method and device for detecting oscillatory failures related to a servocontrol subsystem of an aircraft control surface Jul. 31, 2012
8160770 Method and device for detecting oscillatory failures in a position servocontrol subsystem of an aircraft control surface Apr. 17, 2012
8090485 Low-frequency flight control system oscillatory faults prevention via horizontal and vertical tail load monitors Jan. 3, 2012
7699269 Intelligent multifunctional actuation system for vibration and buffet suppression Apr. 20, 2010
7464903 Methods and apparatus for vibration and buffet suppression Dec. 16, 2008
7424989 Intelligent multifunctional actuation system for vibration and buffet suppression Sep. 16, 2008
7338017 Methods and apparatus for vibration and buffet suppression Mar. 4, 2008
7175132 Mechanism for eliminating limit cycle oscillations on servocontrolled aerodynamic control surfaces Feb. 13, 2007
6607161 Convertible aircraft with tilting rotors Aug. 19, 2003
6565045 Aircraft aerodynamic surface with trailing edge deflector May. 20, 2003
6286782 Apparatus and method for reducing vibrations of a structure particularly a helicopter Sep. 11, 2001
5890675 Process and device for damping vibrations or preventing their appearance in aircraft airframes in transonic flight Apr. 6, 1999
5775637 Device for reducing the vibrations on the structure of a helicopter Jul. 7, 1998
5549260 Active control device for aircraft tail buffet alleviation Aug. 27, 1996
5238208 Load mitigation system for a multi-dimensional transducer array Aug. 24, 1993
5203524 Vibration damping arrangement for aircraft Apr. 20, 1993
5054715 Apparatus and methods for reducing aircraft lifting surface flutter Oct. 8, 1991
4917331 Apparatus and methods for reducing aircraft lifting surface flutter Apr. 17, 1990
4884748 Fairing flap arrangement Dec. 5, 1989
4865269 Overtravel stop and neutral position lock Sep. 12, 1989
4799623 Variable convergent/divergent nozzle Jan. 24, 1989
4502652 Process and apparatus for suppressing external load carrying wing flutter for aircraft Mar. 5, 1985
4496121 Control surface lock for flutter constraint Jan. 29, 1985
4428550 Vibration-insulating stability improving torque force device Jan. 31, 1984
4109549 Dynamic balancer for rotating bodies and method of manufacturing same Aug. 29, 1978











 
 
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