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Class Information
Number: 416/134A
Name: Fluid reaction surfaces (i.e., impellers) > Articulated, resiliently mounted or self-shifting impeller or working member > Nonmetallic resilient mounting > Aircraft rotors
Description:


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
7604460 Rotorcraft rotors having twistable blades Oct. 20, 2009
7559743 Protection system, a bellows hinge, and an aircraft Jul. 14, 2009
7530790 Rotor blade folding system May. 12, 2009
7530787 Rotor hub fairing system for a counter-rotating, coaxial rotor system May. 12, 2009
7503750 Variable pitch rotor blade with double flexible retention elements Mar. 17, 2009
7384238 Rotor, rotocraft comprising a rotor of this type and method for adjusting the blade angle of a rotor Jun. 10, 2008
7354248 Elastomeric bearing elements for droop stop mechanisms Apr. 8, 2008
7290985 Rotary wing aircraft rod end and method of making a helicopter vehicle rod end with a precocked orientation Nov. 6, 2007
7275913 Rotor and gyrocopter with said rotor Oct. 2, 2007
7270516 Non-articulated rotor and rotorcraft comprising a rotor of this type Sep. 18, 2007
7229251 Rotor hub fairing system for a counter-rotating, coaxial rotor system Jun. 12, 2007
7226272 Hingeless rotor provided with plate-shaped rotor head element and a rotorcraft provided with said rotor Jun. 5, 2007
7097169 Elastomeric bearing with modified cylindrical core Aug. 29, 2006
7040863 Variable pitch rotor blade for shrouded rotors, in particular helicopter rotors May. 9, 2006
7021897 Blade pitch control disk device for a rotorcraft rotor Apr. 4, 2006
6971853 Elastomeric bearing system Dec. 6, 2005
6921249 Main rotor shear restraint Jul. 26, 2005
6910865 Helicopter rotor hub, and rotor featuring such a hub Jun. 28, 2005
6889965 Opposing conical preloaded elastomeric bearing assembly May. 10, 2005
6848886 Snubber Feb. 1, 2005
6832894 Combined ball-and-damper device for a helicopter rotor Dec. 21, 2004
6827553 Flexbeam damper assembly having transition shim clamp device Dec. 7, 2004
6764280 Multi-bladed tail rotor hub design for coriolis relief Jul. 20, 2004
6739834 Flexbeam May. 25, 2004
6695583 Snubber-vibration damper system for a bearingless main rotor Feb. 24, 2004
6659722 Composite rotor blade and method of manufacture Dec. 9, 2003
6607357 Aircraft constant-velocity transmission rotor Aug. 19, 2003
6527515 Rotor for rotary wing aircraft Mar. 4, 2003
6514043 Wind turbine hub Feb. 4, 2003
6439849 Dual trunnion hub-to-mast assembly Aug. 27, 2002
6413048 Elastomeric bearing Jul. 2, 2002
6375426 Protective edge members for composite flexures Apr. 23, 2002
6361278 Coupling membrane for a helicopter rotor head Mar. 26, 2002
6305640 Spring component and support bearing for helicopter tail rotors and support structure for use in outer space Oct. 23, 2001
6296444 Prop rotor hub Oct. 2, 2001
6287076 Rotor blade, in particular for helicopter antitorque tail rotor Sep. 11, 2001
6280141 Swash-plates system for control of the pitch of rotor blades with rotating plate driver Aug. 28, 2001
6260676 Magnetic particle damper apparatus Jul. 17, 2001
6203277 Gyroplane rotor with double-plate hub and external pitch control Mar. 20, 2001
6196800 Rotor blade for a bearingless rotor of a helicopter Mar. 6, 2001
6176679 Rotor with folding blades, for the rotary wings of an aircraft Jan. 23, 2001
6164915 Simplified anti-vibration suspension device for a helicopter Dec. 26, 2000
6155784 Variable pitch aircraft propeller Dec. 5, 2000
6152696 Swash-plate device for controlling the pitch of rotor blades with non-rotating plate articulated on a central ball joint Nov. 28, 2000
6149386 Swash-plate device for controlling the pitch of rotor blades with non-rotating plate articulated by cotters on a central ball joint Nov. 21, 2000
6139271 Helicopter rotor blade weighting Oct. 31, 2000
6126398 Two-piece rotor blade for a bearingless rotor of a helicopter Oct. 3, 2000
6120251 Rotorcraft rotor with fixed flap stops on blades and hub, and with determined pitch-flap law Sep. 19, 2000
6113352 Hingeless rotor with precompressed half-bearings supporting blade root oversleeves on torsionable blade root strips Sep. 5, 2000
6102659 Swash-plate device for controlling the pitch of rotor blades with cylindrical runners sliding on non-rotating pillars Aug. 15, 2000

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