B64C2027/7211 - CPC Classification Index

ClassID:

72149 ⎘

B64C2027/7211 - 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] without flaps

Sub-classes:

B64C2027/7216 » {using one actuator per blade} 32
B64C2027/7222 » {using airfoil deformation} 14
B64C2027/7227 » {using blowing slots actuated by piezoelectric actuators} 3
B64C2027/7233 » {using higher-harmonic control [HHC]} 1
B64C2027/725 » {using jets controlled by piezoelectric actuators} 2
B64C2027/7255 » {using one or more swash plates} 16

Recent Application in this class:

20210253230

2021-08-19

Rotor for a hover-capable aircraft and related method of control

20210253229

2021-08-19

Rotor for a hover-capable aircraft and related method of control

20210070429

2021-03-11

Free propeller assembly structure and aircraft structure having the same

20190210718

2019-07-11

Foldable rotor blade assembly and aerial vehicle with a foldable rotor blade assembly

20190193850

2019-06-27

Rotor for a hover-capable aircraft and related method of control

20190063574

2019-02-28

Summing and fault tolerant rotary actuator assembly

20190031318

2019-01-31

Propeller arrangement for an aircraft

20170203829

2017-07-20

Systems for shape memory alloy structures

20160233410

2016-08-11

Self-latching piezocomposite actuator

#10

20160159475

2016-06-09

Individual blade control utilizing pneumatic muscles

#11

16158146

2021-11-02

Anti-sound production using adjustable propeller blades

#12

14975302

2019-05-14

Adjustable propeller blades for sound control