ClassID:

72159

B64C2027/7266 - CPC Classification

Classification description:

Rotorcraft; Rotors peculiar thereto; Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement; Means acting on blades on each blade individually, e.g. individual blade control [IBC] with flaps actuated by actuators

Sub-classes:
Recent Application in this class:
#1
20230303241
2023-09-28

Rotor blade using adaptive trailing edge assembly

#2
20210114722
2021-04-22

Linear actuator

#3
20190088244
2019-03-21

Noise reduction device, flight vehicle, power generation device, and noise reduction method

#4
20180162515
2018-06-14

Gurney flap

#5
20170341744
2017-11-30

Main rotor trim tab retention system, an aircraft employing same and a method of replacing a trim tab assembly from blade housing

#6
20170183089
2017-06-29

Rotor blade system

#7
20160221673
2016-08-04

Electro-hydraulic on-blade actuation system

#8
20160053620
2016-02-25

Actuator lock

#9
20150298802
2015-10-22

Blade with reduced torsional rigidity, and rotor equipped with such a blade

#10
20150104307
2015-04-16

Actuation system for an active blade element of a rotor blade

#11
20150010401
2015-01-08

Flexbeam hinge for helicopter blade active trailing edge flap

#12
20140083216
2014-03-27

Dry lubricated rotary actuator for in blade rotor control

#13
20140064965
2014-03-06

Actuation system for an active element in a rotor blade

#14
20140064962
2014-03-06

Electromechanical linear actuator for in blade rotor control

#15
20140064960
2014-03-06

Actuation system for an active element in a rotor blade

#16
20140060249
2014-03-06

Actuation system for an active element in a rotor blade

#17
20130327879
2013-12-12

High speed compound rotary wing aircraft

#18
20130320782
2013-12-05

Electromechanical rotary actuator and method

#19
20130294914
2013-11-07

Multi-element rotor blade

#20
20130259681
2013-10-03

Enhanced performance rotorcraft rotor blade

#21
20130058793
2013-03-07

System for heat dissipation from an internal actuator in a rotor blade

#22
20120308384
2012-12-06

Twist mechanism for twisting a rotor blade for a rotorcraft, and a blade

#23
20120305698
2012-12-06

Method and apparatus for actively manipulating aerodynamic surfaces

#24
20120261519
2012-10-18

Active gurney flap

#25
20120261518
2012-10-18

Active gurney flap

#26
20120261508
2012-10-18

Active gurney flap

#27
20120116612
2012-05-10

Implementation of Kalman filter linear state estimator for actuator equalization

#28
20110164979
2011-07-07

Mechanical system for high acceleration environments

#29
20110164976
2011-07-07

Active rotor blade control effector system for a rotary-wing aircraft

#30
20100178167
2010-07-15

Method and device for controlling a rotary wing aircraft

#31
20100047067
2010-02-25

System and methods for adaptive blade control surface adjustment

#32
20100044505
2010-02-25

HELICOPTER BLADE VORTEX INTERACTION NOISE REDUCING METHOD AND DEVICE

#33
20090302168
2009-12-10

Compliant structure design of varying surface contours

#34
20080237395
2008-10-02

Helicopter blade vortex interaction noise reducing method and device

#35
20080203222
2008-08-28

Yaw control system and method

#36
20080138203
2008-06-12

Self-lubricated actuator for on-blade rotor control

#37
20080101931
2008-05-01

Brushless direct current (BLDC) motor based linear or rotary actuator for helicopter rotor control

#38
20080035798
2008-02-14

Fluid-driven artificial muscles as mechanisms for controlled actuation

#39
20080035788
2008-02-14

Cellular support structures used for controlled actuation of fluid contact surfaces

#40
20070131820
2007-06-14

Rotorcraft control system and method of using

#41
20070098553
2007-05-03

Rotorcraft blade provided with a flap that is tiltable with the help of at least one main ball joint having a first shaft that is secured to said flap

#42
20070063109
2007-03-22

Rotary flap

#43
20060049302
2006-03-09

Apparatus and methods for structurally-integrated conductive conduits for rotor blades

#44
20050151030
2005-07-14

Lifting surface provided with at least one rotary flap

#45
20050042091
2005-02-24

Active control of multi-element rotor blade airfoils

#46
20050001104
2005-01-06

Rotary flap