ClassID:

145647

F05D2270/101 - CPC Classification

Classification description:

Control; Purpose of the control system to cope with, or avoid, compressor flow instabilities Compressor surge or stall

Sub-classes:
Recent Application in this class:
#1
20260146560
2026-05-28

METHOD AND COMPUTER PROGRAM FOR DETECTING SURGE EVENTS IN A TURBINE ENGINE

#2
20260117709
2026-04-30

CONTROLLING A COMPRESSOR OF A TURBINE ENGINE

#3
20260015978
2026-01-15

Relative Fuel Ratio Unit Limiter for Gas Turbine Surge Recovery

#4
20250115351
2025-04-10

SYSTEM FOR PILOTING AN AIRCRAFT, ASSOCIATED AIRCRAFT AND METHOD

#5
20240352896
2024-10-24

Systems and methods with distributed bleed for gas turbine engine compressor stabilization

#6
20240301834
2024-09-12

SURGE RECOVERY SYSTEM AND METHODS

#7
20240255070
2024-08-01

System, method, and valve assembly for surge protection

#8
20240254926
2024-08-01

ENGINE CASING WASTE HEAT RECIRCULATION LOOP AND ASSOCIATED METHOD

#9
20240240568
2024-07-18

Turbomachinery plant to maximize the power generated by an electrical reversible machine

#10
20240209807
2024-06-27

Engine system

#11
20240209796
2024-06-27

Distributed electric tip fans for distortion tolerance of turbofan engines

#12
20240191662
2024-06-13

Control device for gas turbine, gas turbine facility, method for controlling gas turbine, and control program for gas turbine

#13
20240084713
2024-03-14

System for controlling discharge doors of a turbomachine

#14
20230358169
2023-11-09

ACTIVE COMPRESSOR STALL RECOVERY

#15
20230258136
2023-08-17

Engine system and method of operating the same

#16
20230235743
2023-07-27

Incipient compressor surge detection using artificial intelligence

#17
20230203995
2023-06-29

Gas turbine engine system with generator

#18
20230148411
2023-05-11

Power assisted engine start bleed system

#19
20230103519
2023-04-06

Method for controlling a turbomachine comprising an electric machine

#20
20230093292
2023-03-23

Intake device for gas turbine engine

#21
20230066572
2023-03-02

Systems for controlling variable outlet guide vanes

#22
20230044297
2023-02-09

STATOR APPARATUS FOR A GAS TURBINE ENGINE

#23
20220372920
2022-11-24

Method and system for operating an engine to prevent high power engine surges

#24
20220349354
2022-11-03

Surge recovery system and methods

#25
20220268218
2022-08-25

Method and system for controlling idle speed and drawing of power generated by an aircraft engine

#26
20220252007
2022-08-11

ACTIVE COMPRESSOR STALL RECOVERY

#27
20220251968
2022-08-11

Stator apparatus for a gas turbine engine

#28
20220243669
2022-08-04

Methods and systems for detecting and responding to an engine disturbance

#29
20220235705
2022-07-28

Heat transfer system

#30
20220220903
2022-07-14

Reversible bleed configuration

#31
20220219809
2022-07-14

System for piloting an aircraft, associated aircraft and method

#32
20220186985
2022-06-16

Surge protection for a multistage compressor

#33
20220074420
2022-03-10

System and method for operating a compressor assembly

#34
20220065175
2022-03-03

COMPRESSOR STALL MITIGATION

#35
20220056853
2022-02-24

Method and device for detecting a rotating stall adversely affecting a turbojet engine compressor

#36
20220049660
2022-02-17

Systems and methods for controlling a bleed-off valve of a gas turbine engine

#37
20220025823
2022-01-27

Hybrid electric fan with stall free low pressure compressor

#38
20210372435
2021-12-02

Compressor device with turbine section water recirculation path

#39
20210348618
2021-11-11

Gas turbine compressor radial door bleed valve

#40
20210310499
2021-10-07

Continuous variable trim compressor

#41
20210270279
2021-09-02

Method and system for compressor operating range extension via active valve control

#42
20210270190
2021-09-02

System and method for monitoring a bleed valve of a gas turbine engine

#43
20210262398
2021-08-26

GAS TURBINE ENGINE STALL MARGIN MANAGEMENT

#44
20210254496
2021-08-19

Temperature inversion detection and mitigation strategies to avoid compressor surge

#45
20210249978
2021-08-12

Turbomachine with an electric machine assembly and method for operation

#46
20210246837
2021-08-12

Surge recovery systems and methods

#47
20210131352
2021-05-06

Methods and systems for a modulated bleed valve

#48
20210115942
2021-04-22

Compressor inlet adjustment mechanism

#49
20210115857
2021-04-22

Electric power assist for in-flight engine re-start

#50
20210102546
2021-04-08

Methods and mechanisms for surge avoidance in multi-stage centrifugal compressors

#51
20210062763
2021-03-04

Gas turbine engine variable area fan nozzle control

#52
20210025336
2021-01-28

Compressor control

#53
20200378313
2020-12-03

Flow deflector for a discharge valve system, discharge valve system and turbomachine comprising such a discharge valve system

#54
20200340401
2020-10-29

Translating inlet for adjusting airflow distortion in gas turbine engine

#55
20200291958
2020-09-17

Compressor for charging a combustion engine

#56
20200284265
2020-09-10

Application of machine learning to process high-frequency sensor signals of a turbine engine

#57
20200284204
2020-09-10

Prognostic health management control for adaptive operability recovery for turbine engines

#58
20200277902
2020-09-03

Method of operating gas turbine and gas turbine

#59
20200248627
2020-08-06

Power assisted engine start bleed system

#60
20200248619
2020-08-06

Transient operation control of a hybrid gas turbine engine

#61
20200244199
2020-07-30

Turbomachine with an electric machine assembly and method for operation

#62
20200217249
2020-07-09

Unit for controlling a controlled valve for abstracting an airflow from a pressurized airflow of an aircraft

#63
20200191065
2020-06-18

Fuel flow control

#64
20200182161
2020-06-11

Passive stability bleed valve with adjustable reference pressure regulator and remote override capability

#65
20200149476
2020-05-14

System and method for supplying compressed air to a main engine starter motor

#66
20200088108
2020-03-19

Gas turbine engine with variable pitch fan and variable pitch compressor geometry

#67
20200056551
2020-02-20

AIRCRAFT ENGINE IDLE SUPPRESSOR AND METHOD

#68
20200040847
2020-02-06

Turbomachinery transition duct for wide bypass ratio ranges

#69
20200025078
2020-01-23

Gas turbine engine

#70
20200025073
2020-01-23

Gas turbine engine compressor control method

#71
20200025066
2020-01-23

APPARATUS FOR A GAS TURBINE ENGINE

#72
20190383297
2019-12-19

Method and device for determining an indicator for a prediction of an instability in a compressor and use thereof

#73
20190368500
2019-12-05

Compressor surge control

#74
20190368372
2019-12-05

Bypass turbomachine fitted with bleed system

#75
20190353104
2019-11-21

Hybrid electric fan with improved low pressure compressor

#76
20190345875
2019-11-14

Intermediate housing hub comprising discharge flow guiding channels formed by the discharge fins

#77
20190264615
2019-08-29

Methods and apparatus for controlling at least a part of a start-up or re-light process of a gas turbine engine

#78
20190264603
2019-08-29

Turbocharger for an internal combustion engine

#79
20190222153
2019-07-18

Lifing and performance optimization limit management for turbine engine

#80
20190203737
2019-07-04

Technique for controlling rotating stall in compressor for a gas turbine engine

#81
20190195082
2019-06-27

Bleed valve system

#82
20190186360
2019-06-20

Methods, computer programs, non transitory computer readable storage mediums, signals, and apparatus for controlling electrical power supplied to a component of a vehicle

#83
20190165708
2019-05-30

Turbomachine with an electric machine assembly and method for operation

#84
20190153963
2019-05-23

Gas turbine and method for operating gas turbine

#85
20190145419
2019-05-16

Controlling a wet gas compression system

#86
20190136768
2019-05-09

MULTI-SHAFT GAS TURBINE ENGINE

#87
20190101061
2019-04-04

Switching bleed valve for a gas turbine engine

#88
20190010870
2019-01-10

Turbine engine thermal management

#89
20190003422
2019-01-03

Gas turbine engine variable area fan nozzle control

#90
20190003390
2019-01-03

Turbomachine comprising a surface air-oil heat exchanger built into an inter-flow compartment

#91
20180370646
2018-12-27

Propulsion system for an aircraft

#92
20180363668
2018-12-20

ROTARY MACHINE INCLUDING ACTIVE MAGNETIC BEARING

#93
20180355878
2018-12-13

System for discharging a compressor flow of a turbine engine

#94
20180340474
2018-11-29

Controlling a compressor of a turbine engine

#95
20180320700
2018-11-08

Turbine engine compressor with a turbulence sensor

#96
20180283391
2018-10-04

Systems and methods for compressor anomaly prediction

#97
20180258842
2018-09-13

Adjustable-trim centrifugal compressor for a turbocharger

#98
20180216623
2018-08-02

Method for the prediction of surge in a gas compressor

#99
20180209351
2018-07-26

Method for controlling surge margin of gas turbine and extraction device for gas turbine

#100
20180195416
2018-07-12

Turbine engine exhaust casing with improved lifetime

#101
20180163734
2018-06-14

Method and device for testing samples on a turbine engine minimizing the risk of surge by the exchange of information between an energy manager and a system for testing the turbine engine

#102
20180149115
2018-05-31

Gas turbine engine including a re-heat combustor and a shaft power transfer arrangement for transferring power between low and high pressure shafts

#103
20180094636
2018-04-05

DEVICE FOR DETECTING A NON-OPTIMAL LUBRICATION CONDITION IN A COMPRESSOR OF A REFRIGERATION SYSTEM, A COMPRESSOR UNIT WHICH COMPRISES THE DEVICE AND A METHOD FOR DETECTING A NON-OPTIMAL LUBRICATION CONDITION IN A COMPRESSOR OF A REFRIGERATION SYSTEM

#104
20180080337
2018-03-22

Discharge flow duct of a turbine engine comprising a VBV grating with variable setting

#105
20180079510
2018-03-22

Control system for a cabin blower system

#106
20180073440
2018-03-15

CONTROLLING TURBINE SHROUD CLEARANCE FOR OPERATION PROTECTION

#107
20180058462
2018-03-01

GAS TURBINE ENGINE COMPRESSOR SURGE AVOIDANCE CONTROL SYSTEM AND METHOD

#108
20180045107
2018-02-15

Passive inlet-adjustment mechanisms for compressor, and turbocharger having same

#109
20180041152
2018-02-08

Method of efficiently operating an engine and a generator for increased load

#110
20180030989
2018-02-01

Rotary machine including active magnetic bearing

#111
20180017081
2018-01-18

Variable turbomachine vane cascade

#112
20170370295
2017-12-28

Jet engine

#113
20170363099
2017-12-21

Engine bleed air system with waste gate valve for compressor surge management

#114
20170335769
2017-11-23

Cooling device for a turbomachine supplied by a discharge circuit

#115
20170284303
2017-10-05

Gas turbine engine dual sealing cylindrical variable bleed valve

#116
20170284297
2017-10-05

Translating inlet for adjusting airflow distortion in gas turbine engine

#117
20170260988
2017-09-14

System and method of controlling compressor

#118
20170211486
2017-07-27

Fuel flow control

#119
20170198713
2017-07-13

Centrifugal compressor and turbocharger

#120
20170198707
2017-07-13

Centrifugal compressor with hot gas injection

#121
20170198644
2017-07-13

Method and a device for controlling thrust from a turbojet

#122
20170175646
2017-06-22

METHOD AND SYSTEM FOR STALL MARGIN MODULATION AS A FUNCTION OF ENGINE HEALTH

#123
20170167496
2017-06-15

Inlet bleed heat control system

#124
20170159667
2017-06-08

Venturi effect endwall treatment

#125
20170082113
2017-03-23

Method and apparatus for surge prevention control of multistage compressor having one surge valve and at least one flow measuring device

#126
20170051761
2017-02-23

Recirculation noise obstruction for a turbocharger

#127
20170051679
2017-02-23

Compressor bleed auxiliary turbine

#128
20170051678
2017-02-23

Mixed flow turbocore

#129
20170044997
2017-02-16

Control device and control method

#130
20170044989
2017-02-16

GAS TURBINE ENGINE STALL MARGIN MANAGEMENT

#131
20170002820
2017-01-05

Detection and counting of surge cycles in a compressor

#132
20160363001
2016-12-15

Emergency shut-down detection system for a gas turbine

#133
20160348592
2016-12-01

Operation of a gas turbine plant having a compressor and a turbine

#134
20160341215
2016-11-24

Compressor tip injector

#135
20160341131
2016-11-24

Control device and control method for a fuel gas supply system

#136
20160326957
2016-11-10

Combined stability and customer bleed with dirt, water and ice rejection

#137
20160319748
2016-11-03

Turbine engine thermal management

#138
20160281724
2016-09-29

Controlling a wet gas compression system

#139
20160273378
2016-09-22

Variable vane control system

#140
20160252098
2016-09-01

Systems and methods for axial compressor with secondary flow

#141
20160245186
2016-08-25

Self-actuating and dual pivot flapper valve

#142
20160245112
2016-08-25

Method for operating a gas turbine arrangement

#143
20160230650
2016-08-11

Passive and semi-passive inlet-adjustment mechanisms for compressor, and turbocharger having same

#144
20160222882
2016-08-04

Solar heat turbine system, and device and method for controlling said system

#145
20160215712
2016-07-28

Engine system with intake bypass device

#146
20160177956
2016-06-23

Adjustable-trim centrifugal compressor, and turbocharger having same

#147
20160160676
2016-06-09

Gas turbine engine variable stator vane

#148
20160146115
2016-05-26

Gas turbine engine and method of assembling the same

#149
20160138475
2016-05-19

Method of starting a gas turbine engine

#150
20160130974
2016-05-12

Compressor monitoring method

#151
20160123175
2016-05-05

HYBRID MODEL BASED DETECTION OF COMPRESSOR STALL

#152
20160103012
2016-04-14

Systems and methods for monitoring surge conditions

#153
20160076554
2016-03-17

Backing plate

#154
20160069276
2016-03-10

Method and a device for generating a command for the flow rate of fuel that is to be injected into a combustion chamber of a turbine engine

#155
20160047324
2016-02-18

Supercharged internal combustion engine with exhaust-gas turbocharger and method for operating an internal combustion engine of said type

#156
20160040605
2016-02-11

Gas turbine engine having an annular core bleed

#157
20160040604
2016-02-11

Pressure sensor noise filter prior to surge detection for a gas turbine engine

#158
20160017745
2016-01-21

Case with vane retention feature

#159
20160010590
2016-01-14

Nozzle arrangement for a gas turbine engine

#160
20150354464
2015-12-10

Method and apparatus for controlling a compressor of a gas turbine engine

#161
20150337863
2015-11-26

Centrifugal compressor

#162
20150315976
2015-11-05

Gas turbine engine variable area fan nozzle control

#163
20150176499
2015-06-25

Process for preventing rotating stall and surge in a turbomachine

#164
20150121842
2015-05-07

Pnuematic system for an aircraft

#165
20150100180
2015-04-09

Electricity generation system

#166
20150059315
2015-03-05

Apparatus and method for bleeding off compressor air in a jet engine

#167
20150042103
2015-02-12

Lifing and performance optimization limit management for turbine engine

#168
20150037141
2015-02-05

Compressor housing assembly for a turbocharger

#169
20150016986
2015-01-15

Gas turbine compressor stator vane assembly

#170
20140341708
2014-11-20

Valve for gas turbine engine

#171
20140325990
2014-11-06

Gas turbine and operation method of gas turbine

#172
20140271117
2014-09-18

Lifing and performance optimization limit management for turbine engine

#173
20140271113
2014-09-18

Modulated cooling flow scheduling for both SFC improvement and stall margin increase

#174
20140245749
2014-09-04

Nacelle anti-ice valve utilized as compressor stability bleed valve during starting

#175
20140093350
2014-04-03

Real time model based compressor control

#176
20140090458
2014-04-03

Method and device for determining the air bleed on an aircraft turbojet engine

#177
20140075956
2014-03-20

Turbomachine with bleed valves located at the intermediate case

#178
20140075952
2014-03-20

Method for the elimination of rotational stall in a turbine engine

#179
20140069105
2014-03-13

Compressor surge prevention digital system

#180
20140026588
2014-01-30

System and method for recirculating and recovering energy from compressor discharge bleed air

#181
20140023498
2014-01-23

Rotating stall detection using optical measurement of blade untwist

#182
20130276425
2013-10-24

Systems and methods for detecting the onset of compressor stall

#183
20130272845
2013-10-17

Axial compressor and control method thereof to stabilize fluid

#184
20130266436
2013-10-10

Housing structure of exhaust gas turbocharger

#185
20130255221
2013-10-03

Method of controlling a turbomachine

#186
20130234506
2013-09-12

Method for controlling the generation of electricity applied to an aircraft gas turbine, and device implementing such a method

#187
20130223981
2013-08-29

Device and method for reliably operating a compressor at the surge limit

#188
20130192241
2013-08-01

Gas turbine engine variable area fan nozzle control

#189
20130115062
2013-05-09

Inlet bleed heat system

#190
20130115061
2013-05-09

Inlet bleed heat system

#191
20130019585
2013-01-24

VARIABLE FAN INLET GUIDE VANE FOR TURBINE ENGINE

#192
20130008171
2013-01-10

Method of controlling speed transients in a turbine engine

#193
20130000316
2013-01-03

TWIN-SHAFT GAS TURBINE

#194
20120317955
2012-12-20

Surge margin control

#195
20120275916
2012-11-01

Diffuser with enhanced surge margin

#196
20120234413
2012-09-20

SYSTEM AND METHOD FOR CONTROLLING A FUEL SUPPLY ASSOCIATED WITH A TURBOMACHINE

#197
20120204534
2012-08-16

SYSTEM AND METHOD FOR DAMPING PRESSURE OSCILLATIONS WITHIN A PULSE DETONATION ENGINE

#198
20120195736
2012-08-02

Plasma Actuation Systems to Produce Swirling Flows

#199
20120167576
2012-07-05

System for powering a vehicle

#200
20110301822
2011-12-08

Method and system for controlling a gas turbine and a gas turbine including such a system

#201
20110277482
2011-11-17

Model-based coordinated air-fuel control for a gas turbine

#202
20110217162
2011-09-08

Turbo charger housing

#203
20110154830
2011-06-30

Gas turbine engine surge margin bleed power recuperation

#204
20110126547
2011-06-02

Twin-shaft gas turbine including a control system for adjusting the compressor inlet guide vane angle to optimize engine transient response

#205
20110110773
2011-05-12

Turbomachine compressor

#206
20110076138
2011-03-31

Aspirator insert for a boundary layer in a fluid, a wall and a compressor equipped with said insert

#207
20110072829
2011-03-31

Gas turbine high pressure compressor fluid return and reinjection including an annular air bleeding manifold

#208
20110058931
2011-03-10

Injecting air into the flow path of a turbomachine compressor

#209
20110056210
2011-03-10

Surge margin regulation

#210
20110052370
2011-03-03

Robust flow parameter model for component-level dynamic turbine system control

#211
20100296914
2010-11-25

Stall and surge detection system and method

#212
20100290906
2010-11-18

PLASMA SENSOR STALL CONTROL SYSTEM AND TURBOMACHINERY DIAGNOSTICS

#213
20100287907
2010-11-18

SYSTEM AND METHOD OF ESTIMATING A GAS TURBINE ENGINE SURGE MARGIN

#214
20100284785
2010-11-11

Fan Stall Detection System

#215
20100284780
2010-11-11

Method of operating a compressor

#216
20100269481
2010-10-28

Systems and methods for providing surge protection to a turbine component

#217
20100232945
2010-09-16

Turbomachine inlet heating system

#218
20100232943
2010-09-16

Buried casing treatment strip for a gas turbine engine

#219
20100196137
2010-08-05

Closed-loop control for a gas turbine with actively stabilized compressor

#220
20100083667
2010-04-08

Bi-modal bleed valve assembly for gas turbine engine

#221
20100077768
2010-04-01

Diffuser with enhanced surge margin

#222
20100058735
2010-03-11

Operational line management of low pressure compressor in a turbofan engine

#223
20100047060
2010-02-25

Plasma Enhanced Compressor

#224
20100047055
2010-02-25

Plasma Enhanced Rotor

#225
20100040453
2010-02-18

Apparatus and method for controlling a compressor

#226
20100011846
2010-01-21

Stall and surge detection system and method

#227
20100005808
2010-01-14

Twin-shaft gas turbine including a control system for adjusting the compressor inlet guide vane angle to optimize engine transient response

#228
20100000220
2010-01-07

FAN VARIABLE AREA NOZZLE WITH ELECTROMECHANICAL ACTUATOR

#229
20090320495
2009-12-31

Fast acting aircraft engine bleed air check valve

#230
20090312930
2009-12-17

Stall prediction apparatus, prediction method thereof, and engine control system

#231
20090246007
2009-10-01

Casing treatment for axial compressors in a hub area

#232
20090245997
2009-10-01

Method and device to avoid turbo instability in a gas turbine engine

#233
20090169363
2009-07-02

Plasma Enhanced Stator

#234
20090169362
2009-07-02

Instability mitigation system

#235
20090169356
2009-07-02

Plasma Enhanced Compression System

#236
20090044543
2009-02-19

Jet engine with compressor air circulation and method for operating the jet engine

#237
20090025393
2009-01-29

Auxiliary power unit assembly

#238
20090013689
2009-01-15

Compressor for an internal combustion engine

#239
20080298955
2008-12-04

Inlet guide vane inner air seal surge retaining mechanism

#240
20080298951
2008-12-04

Air reinjection compressor

#241
20080276613
2008-11-13

DISCRETE VARIABLE GEOMETRY COMPRESSOR

#242
20080260519
2008-10-23

Surge detection in a gas turbine engine

#243
20080155989
2008-07-03

Operating line control of a compression system with flow recirculation

#244
20080098747
2008-05-01

Auxiliary power unit assembly

#245
20080027617
2008-01-31

Method of engine surge discrimination

#246
20070240426
2007-10-18

Mehtod and controller for operating a gas turbine engine

#247
20070180812
2007-08-09

Approach to extending life of gas turbine engine

#248
20070137175
2007-06-21

Compact booster bleed turbofan

#249
20070089429
2007-04-26

Bleed valve for a gas turbine engine

#250
20070086885
2007-04-19

Bleed valve outlet flow deflector

#251
20060225431
2006-10-12

Electrically coupled supercharger for a gas turbine engine

#252
20060120197
2006-06-08

Method and apparatus for determining an operating status of a turbine engine

#253
20060101826
2006-05-18

System and method for controlling the working line position in a gas turbine engine compressor

#254
20060026963
2006-02-09

Approach to extending life of gas turbine engine

#255
20050265822
2005-12-01

Method of operating a compressor near the compressor pumping limit and compressor

#256
20050187676
2005-08-25

Approach to extending life of gas turbine engine

#257
20050141990
2005-06-30

Turbomachine with fluid supply

#258
20050132712
2005-06-23

Method for detecting compressor stall precursors

#259
20050086942
2005-04-28

Approach to extending life of gas turbine engine

#260
20050008484
2005-01-13

Compressor

#261
18984531
2026-01-06

Accommodation for mismatch in guide vane feedback via undesired engine behavior

#262
18758996
2025-01-28

Active fan tip treatment using rotating drum array with axial channels in fan track liner for distortion tolerance

#263
18660069
2025-04-29

Adjustable fan track liner with groove array active fan tip treatment for distortion tolerance

#264
17401528
2023-01-17

Compressor including inlet guide vanes

#265
16510325
2020-12-01

Variable inlet guide vane system for a turbocharger used in a motor vehicle