ClassID:

145661

F05D2270/17 - CPC Classification

Classification description:

Control; Purpose of the control system to control boundary layer

Sub-classes:
Recent Application in this class:
#1
20250180213
2025-06-05

COMBUSTOR NOZZLE, COMBUSTOR, AND GAS TURBINE INCLUDING SAME

#2
20220299044
2022-09-22

Stator blade for a centrifugal compressor

#3
20210355874
2021-11-18

Adaptable flow control for engine nacelles

#4
20210348590
2021-11-11

Powered augmented fluid turbines

#5
20210270136
2021-09-02

Aerofoil assembly and method

#6
20210246802
2021-08-12

Turbine vane comprising a passive system for reducing vortex phenomena in an air flow flowing over said vane

#7
20200362703
2020-11-19

Method and apparatus to enhance laminar flow for gas turbine engine components

#8
20200300102
2020-09-24

Stator vane of fan or compressor

#9
20200182080
2020-06-11

Methods and apparatus for reducing flow distortion at engine fans of nacelles

#10
20190292915
2019-09-26

Case for gas turbine engine

#11
20190277163
2019-09-12

Steam turbine exhaust chamber and steam turbine system

#12
20180371919
2018-12-27

Secondary flow control

#13
20180363491
2018-12-20

Methods and apparatus for reducing flow distortion at engine fans of nacelles

#14
20180355738
2018-12-13

Turbine engine with variable effective throat

#15
20180313231
2018-11-01

Exhaust diffuser having ejection hole and suction hole, and gas turbine having the same

#16
20180298829
2018-10-18

Variable-geometry boundary layer diverter

#17
20180266255
2018-09-20

Turbine blades and gas turbine having the same

#18
20180087391
2018-03-29

Casing with suction arm for axial turbine engine

#19
20170370374
2017-12-28

Compressor rotor airfoil

#20
20170370228
2017-12-28

Method and apparatus to enhance laminar flow for gas turbine engine components

#21
20170260903
2017-09-14

Air inlet duct for an aircraft turbine engine

#22
20170254222
2017-09-07

Gas turbine exhaust diffuser with air injection

#23
20170234134
2017-08-17

Riblets for a flowpath surface of a turbomachine

#24
20170198713
2017-07-13

Centrifugal compressor and turbocharger

#25
20170167295
2017-06-15

Nacelle

#26
20170138261
2017-05-18

Aircraft turbine engine air intake duct

#27
20170138260
2017-05-18

Air guidance device for a turbomachine with grooves to maintain boundary layer

#28
20170002768
2017-01-05

Inlet flow restrictor

#29
20160348694
2016-12-01

Gas turbine stator with winglets

#30
20160341053
2016-11-24

Turbomachine diffuser including flow mixing lobes and method

#31
20160326960
2016-11-10

System and method for improving exhaust energy recovery

#32
20160312741
2016-10-27

Fan nacelle inlet flow control

#33
20160298574
2016-10-13

Combined inlet laminar and thrust reverser cascade efflux flow control system

#34
20160160757
2016-06-09

Air intake arrangement

#35
20160144949
2016-05-26

Method of controlling boundary layer flow

#36
20160130973
2016-05-12

Guide vane

#37
20160084165
2016-03-24

Pre-cooler inlet ducts that utilize active flow-control and systems and methods including the same

#38
20160061217
2016-03-03

Compressor airfoil

#39
20160061216
2016-03-03

Compressor rotor airfoil

#40
20150308377
2015-10-29

Thrust-reverser assemblies that utilize active flow-control and systems and methods including the same

#41
20150240646
2015-08-27

Group of blade rows

#42
20150211546
2015-07-30

Multistage axial flow compressor

#43
20150125257
2015-05-07

Systems and methods for boundary control during steam turbine acceleration

#44
20150110616
2015-04-23

Gas turbine nozzle trailing edge fillet

#45
20140363277
2014-12-11

Assembly for a fluid flow machine

#46
20140341708
2014-11-20

Valve for gas turbine engine

#47
20140338333
2014-11-20

Gas turbine engines having plasma flow-controlled intake systems

#48
20140321970
2014-10-30

Passive boundary layer bleed system for nacelle inlet airflow control

#49
20140248154
2014-09-04

Blade of a row of rotor blades or stator blades for use in a turbomachine

#50
20140178191
2014-06-26

Diffuser assemblies having at least one adjustable flow deflecting member

#51
20140142898
2014-05-22

Method, process, and system for high efficiency gas turbine exhaust duct flow-path

#52
20140112795
2014-04-24

Turbine blade

#53
20140056691
2014-02-27

Impulse turbine for use in bi-directional flows

#54
20140056665
2014-02-27

Self-centring cage nut

#55
20130343864
2013-12-26

Turbomachine flow stability enhancement device control

#56
20130291553
2013-11-07

Integrated thermal protection and leakage reduction in a supersonic air intake system

#57
20130284273
2013-10-31

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

#58
20130255268
2013-10-03

Turbine engine heat recuperator system

#59
20130209241
2013-08-15

Turbomachine

#60
20130209223
2013-08-15

Turbomachine

#61
20130199205
2013-08-08

Customer bleed air pressure loss reduction

#62
20130195645
2013-08-01

GEARED TURBOMACHINE ARCHITECTURE HAVING A LOW PROFILE CORE FLOW PATH CONTOUR

#63
20130195610
2013-08-01

Noise-reduced turbomachine

#64
20130081731
2013-04-04

EXHAUST GAS DIFFUSER

#65
20130064657
2013-03-14

Intermediate housing of a gas turbine having an outer bounding wall having a contour that changes in the circumferential direction upstream of a supporting rib to reduce secondary flow losses

#66
20130036760
2013-02-14

Centrifugal compressor with fluid injector diffuser

#67
20130031913
2013-02-07

Movable strut cover for exhaust diffuser

#68
20130019583
2013-01-24

Diffuser with backward facing step having varying step height

#69
20130017095
2013-01-17

Flow directing member for gas turbine engine

#70
20130000305
2013-01-03

Apparatus for controlling a boundary layer in a diffusing flow path of a power generating machine

#71
20120291874
2012-11-22

Airflow control device and airflow control method

#72
20120263587
2012-10-18

Turbomachine with axial compression or expansion

#73
20120260661
2012-10-18

Compression ramp boundary layer removal

#74
20110299979
2011-12-08

Method for improving the stall margin of an axial flow compressor using a casing treatment

#75
20110277483
2011-11-17

Gas turbine engine with ejector

#76
20110260008
2011-10-27

Fluid flow control device for an aerofoil

#77
20110182746
2011-07-28

Blade for a turbo device with a vortex-generator

#78
20110164972
2011-07-07

Hollow steam guide diffuser having increased pressure recovery

#79
20110158798
2011-06-30

Systems and apparatus relating to compressor stator blades and diffusers in turbine engines

#80
20110142628
2011-06-16

Wind turbine blades with controllable aerodynamic vortex elements

#81
20110123322
2011-05-26

Flow passage for gas turbine engine

#82
20110103969
2011-05-05

Boundary layer energiser

#83
20110103944
2011-05-05

Steampath flow separation reduction system

#84
20110100475
2011-05-05

Boundary layer energiser

#85
20110085887
2011-04-14

High temperature radially fed axial steam turbine

#86
20110058958
2011-03-10

Cooled aerofoil blade or vane

#87
20110052373
2011-03-03

HIGH-TURNING DIFFUSER STRUT WITH FLOW CROSS-OVER SLOTS

#88
20100288379
2010-11-18

Passive boundary layer control elements

#89
20100278644
2010-11-04

Gas turbine stator/rotor expansion stage having bumps arranged to locally increase static pressure

#90
20100266385
2010-10-21

Separation resistant aerodynamic article

#91
20100251716
2010-10-07

Cooled exhaust hood plates for reduced exhaust loss

#92
20100209236
2010-08-19

Impulse turbine for use in bi-directional flows

#93
20100172747
2010-07-08

PLASMA ENHANCED COMPRESSOR DUCT

#94
20100170224
2010-07-08

PLASMA ENHANCED BOOSTER AND METHOD OF OPERATION

#95
20100162680
2010-07-01

GAS TURBINE ENGINE WITH EJECTOR

#96
20100162679
2010-07-01

Gas turbine engine with ejector

#97
20100158696
2010-06-24

Curved platform turbine blade

#98
20100135802
2010-06-03

VANE STRUCTURE FOR VERTICAL AXIS WIND POWER GENERATOR

#99
20100080708
2010-04-01

Scalloped surface turbine stage with trailing edge ridges

#100
20100074739
2010-03-25

Passive boundary layer bleed system for nacelle inlet airflow control

#101
20090317238
2009-12-24

Combined acoustic absorber and heat exchanging outlet guide vanes

#102
20090301095
2009-12-10

Passive boundary layer bleed system for nacelle inlet airflow control

#103
20090252596
2009-10-08

Fluid flow machine with fluid injector assembly

#104
20090246007
2009-10-01

Casing treatment for axial compressors in a hub area

#105
20090196739
2009-08-06

AXIAL FLOW FLUID DEVICE

#106
20090155072
2009-06-18

Fan nacelle flow control

#107
20090142181
2009-06-04

Gas turbine engine systems involving mechanically alterable vane throat areas

#108
20090065064
2009-03-12

COMPRESSOR TIP GAP FLOW CONTROL USING PLASMA ACTUATORS

#109
20090016871
2009-01-15

Systems and Methods Involving Variable Vanes

#110
20080298967
2008-12-04

Wind turbine blade with anti-noise devices

#111
20080298950
2008-12-04

Nacelle compartment plenum for bleed air flow delivery system

#112
20080267772
2008-10-30

Aerofoil members for a turbomachine

#113
20080267762
2008-10-30

Nacelle assembly having inlet airfoil for a gas turbine engine

#114
20080219852
2008-09-11

Fluid-flow machine and rotor blade thereof

#115
20080156187
2008-07-03

Particle separator using boundary layer control

#116
20080145210
2008-06-19

Airfoil leading edge end wall vortex reducing plasma

#117
20080135530
2008-06-12

Method of modifying the end wall contour in a turbine using laser consolidation and the turbines derived therefrom

#118
20080101913
2008-05-01

Plasma lifted boundary layer gas turbine engine vane

#119
20070274824
2007-11-29

Airfoil and method for moisture removal and steam injection

#120
20070258810
2007-11-08

Wall configuration of axial-flow machine, and gas turbine engine

#121
20070217916
2007-09-20

Gas turbine vane

#122
20060231329
2006-10-19

Acoustic dampers

#123
20060069533
2006-03-30

Coupled parametric design of flow control and duct shape

#124
20060067821
2006-03-30

Methods and apparatus for aerodynamically self-enhancing rotor blades

#125
20060034689
2006-02-16

Turbine

#126
20050249578
2005-11-10

Shockwave-induced boundary layer bleed

#127
20050141990
2005-06-30

Turbomachine with fluid supply

#128
20050135924
2005-06-23

Airfoil surface impedance modification for noise reduction in turbofan engines

#129
15425964
2022-05-24

Flow separation control device for an airfoil

#130
15425943
2022-10-18

System to control flow separation over an airfoil