ClassID:

72300

B64C2230/06 - CPC Classification

Classification description:

Boundary layer controls by explicitly adjusting fluid flow, e.g. by using valves, variable aperture or slot areas, variable pump action or variable fluid pressure

Recent Application in this class:
#1
20260138751
2026-05-21

FLUIDIC PROPULSIVE SYSTEM

#2
20250282473
2025-09-11

AERIAL VEHICLE FLUID CONTROL SYSTEM WITH MULTI-WAY FLOW REGULATOR

#3
20250276801
2025-09-04

FLUIDIC PROPULSIVE SYSTEM AND THRUST AND LIFT GENERATOR FOR AERIAL VEHICLES

#4
20240286740
2024-08-29

AIRCRAFT

#5
20240246689
2024-07-25

FLUIDIC PROPULSIVE SYSTEM

#6
20240228053
2024-07-11

Fluidic propulsive system and thrust and lift generator for aerial vehicles

#7
20240218809
2024-07-04

Engine strut flow control

#8
20240217654
2024-07-04

COMBINATION COMPRESSED-FLUID EJECTOR AND PROPELLER PROPULSION SYSTEM

#9
20240182179
2024-06-06

EJECTOR AND AIRFOIL CONFIGURATIONS

#10
20240076034
2024-03-07

Aerial vehicle fluid control system with multi-way flow regulator

#11
20240076033
2024-03-07

Aerial vehicle fluid control system integrated with gas turbine engine

#12
20230117551
2023-04-20

Process and machine for load alleviation

#13
20230056996
2023-02-23

Fluid systems that include a co-flow jet

#14
20230029560
2023-02-02

DRAG REDUCTION SYSTEM FOR AN AIRCRAFT

#15
20230012961
2023-01-19

Systems and methods for active control of surface drag using intermittent or variable actuation

#16
20220349391
2022-11-03

Variable-porosity panel systems and associated methods

#17
20220212805
2022-07-07

Ice protection and boundary layer suction system for an aircraft aerofoil

#18
20220204168
2022-06-30

DISTRIBUTED PNEUMATIC SUPPLY SYSTEM OF AN AIRCRAFT

#19
20220177115
2022-06-09

HIGH-LIFT DEVICE

#20
20220097829
2022-03-31

Performance evaluation system of an aircraft component

#21
20220041297
2022-02-10

FLUIDIC PROPULSIVE SYSTEM AND THRUST AND LIFT GENERATOR FOR AERIAL VEHICLES

#22
20220017207
2022-01-20

Methods and apparatus for accelerating an aircraft fuselage boundary layer via a fan powered by an auxiliary power unit of the aircraft

#23
20210300540
2021-09-30

Ducted fans having fluidic thrust vectoring

#24
20210300539
2021-09-30

Ducted fans having edgewise flow augmentation

#25
20210300538
2021-09-30

Fluidic roll control systems for use in forward flight

#26
20210300537
2021-09-30

Low observable aircraft having trinary lift fans

#27
20210300536
2021-09-30

Low observable aircraft having tandem longitudinal lift fans

#28
20210300532
2021-09-30

Fluidic split flap systems for yaw control in forward flight

#29
20210300531
2021-09-30

Fluidic yaw control systems for use in hover

#30
20210300529
2021-09-30

Fluidic pitch control systems for use in forward flight

#31
20210284319
2021-09-16

Fluid systems that include a co-flow jet

#32
20210253226
2021-08-19

Shock wave suppression device and aircraft

#33
20210214072
2021-07-15

Vertical tail unit for flow control

#34
20210188455
2021-06-24

Method for managing the propulsive power of an aircraft

#35
20210179259
2021-06-17

Process and machine for load alleviation

#36
20210107631
2021-04-15

Nacelle for an aircraft aft fan

#37
20200407043
2020-12-31

Axial flow ducted fan with a movable section

#38
20200391853
2020-12-17

Flow control systems having movable slotted plates

#39
20200283158
2020-09-10

Aerofoil leading edge structures

#40
20200189758
2020-06-18

Forward swept wing aircraft with boundary layer ingestion and distributed electrical propulsion system

#41
20200189724
2020-06-18

System to promote accelerated boundary layer ingestion

#42
20200102066
2020-04-02

Flow guide body for an aircraft

#43
20200072259
2020-03-05

Methods and apparatus for controlling flow fields

#44
20200055591
2020-02-20

Aerodynamic body having perforated skin

#45
20200031455
2020-01-30

Flow body of an aircraft and aircraft

#46
20190391047
2019-12-26

Estimating fluid parameter

#47
20190389566
2019-12-26

Control system

#48
20190367175
2019-12-05

Aerodynamic aircraft wall comprising at least one vortex generator, and aircraft comprising the said aerodynamic wall

#49
20190337609
2019-11-07

Fluid systems that include a co-flow jet

#50
20190283866
2019-09-19

Leading edge structure for a flow control system of an aircraft

#51
20190248475
2019-08-15

Active flow control systems and methods for aircraft

#52
20190185136
2019-06-20

Fluid systems that include a co-flow jet

#53
20190161158
2019-05-30

Fluid systems that include a co-flow jet

#54
20190136881
2019-05-09

Methods and apparatus for controlling flow fields

#55
20190127042
2019-05-02

Fluid systems that include a co-flow jet

#56
20190118923
2019-04-25

Apparatus for laminar flow control

#57
20190106202
2019-04-11

Vertical tail unit for flow control

#58
20190106201
2019-04-11

Vertical tail unit for flow control

#59
20190031321
2019-01-31

Fluidic device

#60
20180355797
2018-12-13

NACELLE ANTI-ICING TROUBLESHOOTING FOR A TWO VALVE SYSTEM

#61
20180354639
2018-12-13

Variable and adaptable diverterless bump inlet

#62
20180346108
2018-12-06

Active flow control for ducted fans and fan-in-wing configurations

#63
20180346101
2018-12-06

Thermally controlled active flow control system

#64
20180339784
2018-11-29

Variable geometry engine inlet for high speed aircraft

#65
20180334247
2018-11-22

Aircraft and flight control mechanisms used on aircraft

#66
20180334246
2018-11-22

Flight control mechanisms and methods of operating aircraft with flight control mechanisms

#67
20180298829
2018-10-18

Variable-geometry boundary layer diverter

#68
20180251211
2018-09-06

Fluid systems that include a co-flow jet

#69
20180244370
2018-08-30

PASSIVE FLOW CONTROL MECHANISM FOR SUPPRESSING TOLLMIEN-SCHLICHTING WAVES, DELAYING TRANSITION TO TURBULENCE AND REDUCING DRAG

#70
20180237129
2018-08-23

Method and apparatus for determining a movement direction of a component of a mechanism

#71
20180216538
2018-08-02

Aircraft bleed system

#72
20180118332
2018-05-03

Vortex generators responsive to ambient conditions

#73
20180118331
2018-05-03

Air distribution system with drag reducing inlet

#74
20180105258
2018-04-19

Method and system for delaying laminar-to-turbulent transition in high-speed boundary layer flow

#75
20180079489
2018-03-22

Airfoil for an aircraft having reduced noise generation

#76
20180043995
2018-02-15

Active flow control systems and methods for aircraft

#77
20170355451
2017-12-14

Fluid systems that include a co-flow jet

#78
20170355450
2017-12-14

Fluid systems that include a co-flow jet

#79
20170349268
2017-12-07

Distributed compressor for improved integration and performance of an active fluid flow control system

#80
20170313411
2017-11-02

Synchronization of fluidic actuators

#81
20170297680
2017-10-19

Thermally controlled active flow control system

#82
20170217569
2017-08-03

System for the dual management of anti-icing and boundary-layer suction on an aerofoil of an aircraft

#83
20170088276
2017-03-30

Propulsion assembly for an aircraft having a turbojet with a non-ducted fan and an attachment pylon

#84
20170081022
2017-03-23

Cooperative actuator system for active flow control

#85
20170081020
2017-03-23

ACTIVE LAMINAR FLOW CONTROL SYSTEM WITH DRAINAGE

#86
20170066527
2017-03-09

Variable geometry flush boundary diverter

#87
20170056913
2017-03-02

Cancelling damping induced by drag in synthetic jets using performance enhancements

#88
20160375987
2016-12-29

System and method for enhancing the high-lift performance of an aircraft

#89
20160311520
2016-10-27

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

#90
20160273562
2016-09-22

SYSTEM AND METHOD FOR MULTIPLE DIRECTION CONTROL OF FLOW

#91
20160137290
2016-05-19

Recessed lift spoiler assembly for airfoils

#92
20160083083
2016-03-24

Vortex generators responsive to ambient conditions

#93
20160009377
2016-01-14

Positionable ejector member for ejector enhanced boundary layer alleviation

#94
20160009374
2016-01-14

System and method for distributed active fluidic bleed control

#95
20150369266
2015-12-24

Flow control actuator with an adjustable frequency

#96
20150104310
2015-04-16

Frequency response and health tracker for a synthetic jet generator

#97
20150097467
2015-04-09

Strain amplification structure and synthetic jet actuator

#98
20150083866
2015-03-26

Apparatus and methods to operate laminar flow control doors

#99
20140284430
2014-09-25

Synchronization of fluidic actuators

#100
20140103134
2014-04-17

Externally driven flow control actuator

#101
20140102542
2014-04-17

Flow control actuator with an adjustable frequency

#102
20140091180
2014-04-03

Systems and methods for attenuation of noise and wakes produced by aircraft

#103
20130336820
2013-12-19

Strain amplification structure and synthetic jet actuator

#104
20130327879
2013-12-12

High speed compound rotary wing aircraft

#105
20130291981
2013-11-07

Fluid actuator for influencing the flow along a flow surface, as well as blow-out device and flow body comprising a like fluid actuator

#106
20130284273
2013-10-31

Method of using an active flow control system for lift enhancement or destruction in a wind turbine blade

#107
20130277502
2013-10-24

Flow body having a leading edge, a surface and an active flow control system and vehicle comprising at least one such flow body and an air source

#108
20130240676
2013-09-19

High lift system for an aircraft

#109
20130187009
2013-07-25

Aircraft with wings and a system for minimizing the influence of unsteady flow states

#110
20130062473
2013-03-14

Flow body and method for taking in and/or blowing out fluid through a plurality of openings in a flow surface section of a flow body

#111
20120256049
2012-10-11

Systems and methods for attenuation of noise and wakes produced by aircraft

#112
20120222768
2012-09-06

System for global flow field management using distributed, surface-embedded, nano-scale boundary layer actuation

#113
20120104794
2012-05-03

Base drag reduction for road vehicles and ‘airdrop’ cargo aircraft

#114
20120068011
2012-03-22

Active aircraft pylon noise control system

#115
20120043428
2012-02-23

High-lift flap, arrangement of a high-lift flap together with a device for influencing the flow on the same and aircraft comprising said arrangement

#116
20120001028
2012-01-05

Wing of an aircraft and assembly of a wing comprising a device for influencing a flow

#117
20110103969
2011-05-05

Boundary layer energiser

#118
20110100475
2011-05-05

Boundary layer energiser

#119
20110024574
2011-02-03

Aerodynamic body and high-lift system comprising such an aerodynamic body

#120
20100270434
2010-10-28

Controlling the boundary layer of an airfoil

#121
20100270433
2010-10-28

Method and system for global flow field management using distributed, surface-embedded, nano-scale boundary layer actuation

#122
20100258679
2010-10-14

High-lift system for an aircraft with a main wing and an adjustable slat

#123
20100243819
2010-09-30

DEVICE FOR DELAYING BOUNDARY LAYER SEPARATION

#124
20100127129
2010-05-27

High performance airfoil with co-flow jet flow control

#125
20100116943
2010-05-13

Aircraft component exposed to streaming surrounding air

#126
20090294596
2009-12-03

Method of Reducing Drag and Increasing Lift Due to Flow of a Fluid Over Solid Objects

#127
20090210103
2009-08-20

Controlling aircraft aerial movements, defeating icing on aircraft surfaces, aiding decontamination, and damping turbulence effects on aircraft by the method of micro-perforated airfoil coordinated precision flow management

#128
20090173834
2009-07-09

Element for generating a fluid dynamic force

#129
20070228222
2007-10-04

Method of improving lift of an aircraft wing

#130
20070221788
2007-09-27

Aircraft component exposed to streaming surrounding air

#131
20070084297
2007-04-19

Oscillating vane actuator apparatus and method for active flow control

#132
20070051855
2007-03-08

Lift augmentation system and associated method

#133
20070034746
2007-02-15

System for aerodynamic flows and associated method

#134
20070029450
2007-02-08

Flow surface for a three-dimensional boundary-layer flow, especially on a swept wing, a swept tail plane or a rotor

#135
20060266882
2006-11-30

Cross-flow fan propulsion system

#136
20060169847
2006-08-03

Aerospace vehicle leading edge slat devices and corresponding methods

#137
20060060723
2006-03-23

Simultaneous multiple-location separation control

#138
20050178924
2005-08-18

Perforated skin structure for laminar-flow systems

#139
14930712
2017-04-04

Wide fuselage aircraft with increased boundary layer ingestion