ClassID:

72301

B64C2230/08 - CPC Classification

Classification description:

Boundary layer controls by influencing fluid flow by means of surface cavities, i.e. net fluid flow is null

Recent Application in this class:
#1
20250074580
2025-03-06

AIRCRAFT COMPRISING AT LEAST ONE CAVITY OPENING AT AN AERODYNAMIC WALL AND PROVIDED WITH A PARTIAL REDUCTION IN PASSAGE SECTION

#2
20240124131
2024-04-18

AIRCRAFT GENERATING LARGER THRUST AND LIFT BY FLUID CONTINUITY

#3
20220324554
2022-10-13

Propeller-driven helicopter or airplane

#4
20220169363
2022-06-02

FREE STREAMLINE AIRFOIL

#5
20210237858
2021-08-05

Aircraft generating larger lift by reduction of fluid resistance

#6
20210039773
2021-02-11

Noise reduction apparatus, aircraft, and noise reduction method

#7
20200148335
2020-05-14

SYSTEMS AND METHODS FOR ACTIVE CONTROL OF SURFACE DRAG

#8
20200102064
2020-04-02

FREE STREAMLINE AIRFOIL

#9
20200062379
2020-02-27

Cavity acoustic tones suppression

#10
20200031456
2020-01-30

Systems and methods for active control of surface drag

#11
20200017198
2020-01-16

Aircraft generating larger lift by reduction of fluid resistance

#12
20200001980
2020-01-02

Aircraft generating larger thrust and lift by fluid continuity

#13
20190283861
2019-09-19

Air inlet with integrated fluid diverter

#14
20190193841
2019-06-27

Flow body for a vehicle with a compressible skin

#15
20190118923
2019-04-25

Apparatus for laminar flow control

#16
20190016444
2019-01-17

Leading edge structure for a flow control system of an aircraft

#17
20180305019
2018-10-25

FIXED-WING AIRCRAFT WITH INCREASED STATIC STABILITY

#18
20180201361
2018-07-19

Lifting surface

#19
20180170560
2018-06-21

Boundary layer ingestion integration into aft fuselage

#20
20170369147
2017-12-28

Sound absorbers for airframe components

#21
20170253321
2017-09-07

Aircraft wing roughness strip and method

#22
20170137123
2017-05-18

System, Apparatus and Methods for an Airspace Plane with Shockwave Piercing Wings

#23
20160311520
2016-10-27

Optimized nacelle profile and plenum shape for boundary layer ingestion active laminar flow control

#24
20160137292
2016-05-19

Aerodynamic component and method for producing an aerodynamic component

#25
20160061115
2016-03-03

Core cowl for a turbofan engine

#26
20160031550
2016-02-04

Submerged vortex generator

#27
20160031549
2016-02-04

Cavity acoustic tones suppression

#28
20160031548
2016-02-04

Cavity acoustic tones suppression

#29
20160031386
2016-02-04

Cavity acoustic tones suppression

#30
20150307184
2015-10-29

Laser-based flow modification to remotely control air vehicle flight path

#31
20150053289
2015-02-26

Structural component with a riblet surface

#32
20120312930
2012-12-13

STRUCTURE FOR REDUCING A FLOW RESISTANCE OF A BODY IN A FLUID

#33
20120223190
2012-09-06

Aerodynamic body, regulating flap or main wing or fin of an aircraft as well as a structural component with such an aerodynamic body

#34
20100236637
2010-09-23

Surface Ventilator For A Compliant-Surface Flow-Control Device

#35
20090045289
2009-02-19

Flow-driven oscillating acoustic attenuator

#36
20080272241
2008-11-06

Device for Reducing a Drag Produced by the Relative Displacement of a Body and Fluid

#37
20080217468
2008-09-11

MAST FOR AN AIRCRAFT NACELLE INCORPORATING MEANS FOR LIMITING THE APPEARANCE OF VIBRATIONS, IN PARTICULAR IN CERTAIN FLIGHT REGIMES, AT A HIGH MACH NUMBER AND LOW LIFT

#38
20080087771
2008-04-17

High performance synthetic valve/pulsator

#39
20070084297
2007-04-19

Oscillating vane actuator apparatus and method for active flow control

#40
17495884
2024-07-23

Micro-cavity actuator for delay of dynamic stall