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Class Information
Number: 244/17.27
Name: Aeronautics > Aircraft, heavier-than-air > Helicopter or auto-rotating wing sustained, i.e., gyroplanes > Lifting rotor supports, e.g., pylons
Description: Gyroplanes including means to position or support the rotating wing on the aircraft.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8672262 Mechanically optimized liquid inertia vibration eliminator and aircraft pylon system Mar. 18, 2014
8646720 Modular flight vehicle with wings Feb. 11, 2014
8584983 Magnetic de-rotation system for a shaft fairing system Nov. 19, 2013
8579587 Method of reducing or even eliminating the vibration of a rotorcraft lift and propulsion rotor, and an airfoil assembly and a rotor implementing said method Nov. 12, 2013
8523104 Method and a rotary wing aircraft that are optimized so as to minimize the consequences for the occupants of said aircraft of an off-specification emergency landing Sep. 3, 2013
8474745 Rotor hub vibration attenuator Jul. 2, 2013
8424799 Rotor hub vibration attenuator Apr. 23, 2013
8366045 Apparatus with damage indication feature Feb. 5, 2013
8328129 Vibration-attenuating hard-mounted pylon Dec. 11, 2012
8272592 Method and system for controlling helicopter vibrations Sep. 25, 2012
8196854 Tilt rotor aircraft with tilting tail rotor--TT Jun. 12, 2012
8177202 Damping device and aircraft rotor system incorporating it May. 15, 2012
8141813 Helicopter Mar. 27, 2012
8113321 Helicopter reduced vibration isolator axial support strut Feb. 14, 2012
8070091 Electromechanical actuation system and method Dec. 6, 2011
7950603 Integral powered wing aircraft May. 31, 2011
7931230 Personal land and air vehicle Apr. 26, 2011
7857255 Helicopter with an improved vibration control device Dec. 28, 2010
7802755 Rotating wing aircraft with tip-driven rotor and rotor guide-ring Sep. 28, 2010
7798442 Rotor assemblies having automatic blade folding systems Sep. 21, 2010
7784773 Isolator useful for in-line mounting with a strut Aug. 31, 2010
7686246 Method and system for controlling helicopter vibrations Mar. 30, 2010
7631835 Method of selectively decoupling solidborne noise, a laminated ball joint, a mechanical connection, and an aircraft Dec. 15, 2009
7621480 De-rotation system for a counter-rotating, coaxial rotor hub shaft fairing Nov. 24, 2009
7607607 De-rotation system suitable for use with a shaft fairing system Oct. 27, 2009
7559506 Integral powered wing aircraft Jul. 14, 2009
7496433 Method and apparatus for minimizing the noise emitted by a rotorcraft during take-off and landing Feb. 24, 2009
7490792 Aircraft with rotor vibration isolation Feb. 17, 2009
7472864 Device for filtering vibration between two parts, and applications thereof Jan. 6, 2009
7461815 Suspension system for a rotary wing aircraft engine Dec. 9, 2008
7314124 Vibration damping apparatus Jan. 1, 2008
7216429 Methods for replacement of a slotted tail rotor blade pitch horn May. 15, 2007
7198224 Energy absorbing airframe for a vertical lift vehicle Apr. 3, 2007
7143973 Avia tilting-rotor convertiplane Dec. 5, 2006
7137591 Tilting mast in a rotorcraft Nov. 21, 2006
7128293 Helicopter Oct. 31, 2006
7118328 Gearbox mounted force generator Oct. 10, 2006
7104372 Damping structure and applications Sep. 12, 2006
6935472 Damping structure and applications Aug. 30, 2005
6883752 Vibration damper for aircraft engine Apr. 26, 2005
6869375 High output force actuator for an active vibration control system Mar. 22, 2005
6863239 Fluid conduit for use with hydraulic actuator Mar. 8, 2005
6824096 Device for controlling the pitch of the blades of a convertible aircraft rotor Nov. 30, 2004
6824093 Method of controlling pitch on a gyroplane and a gyroplane Nov. 30, 2004
6816800 Method of recording a vibration isolation system Nov. 9, 2004
6776370 Energy-absorbing connecting strut for use as a gearbox suspension strut for rotary wing aircraft Aug. 17, 2004
6695254 Rotary-wing aircraft rotor with constant velocity drive Feb. 24, 2004
6676074 Dual piston drag damper for rotary-wing aircraft rotor Jan. 13, 2004
6644590 Active system and method for vibration and noise reduction Nov. 11, 2003
6598827 Telescopic vertical take-off aircraft Jul. 29, 2003

1 2 3

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