ClassID:

136949

F01D21/14 - CPC Classification

Classification description:

Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to other specific conditions

Recent Application in this class:
#1
20260126048
2026-05-07

GAS TURBINE ENGINE HAVING A SENSOR ASSEMBLY FOR MONITORING PROPELLER WHIRL

#2
20260077867
2026-03-19

Ice Detection and Precautionary System Shut-Down Event Reduction Systems and Related Methods

#3
20250346347
2025-11-13

SYSTEM AND METHOD FOR MEASURING AN AXIAL POSITION OF A ROTATING COMPONENT

#4
20250236410
2025-07-24

HYDROGEN PROPULSION ASSEMBLY COMPRISING A DEVICE FOR INJECTING INERT GAS, AND AIRCRAFT COMPRISING AT LEAST ONE SUCH PROPULSION ASSEMBLY

#5
20250172069
2025-05-29

GAS TURBINE ENGINES AND METHODS FOR REDUCING SPOOL THRUST IN A TURBINE SECTION THEREOF

#6
20250027453
2025-01-23

Air turbine starter with decoupler

#7
20240426246
2024-12-26

Engine exhaust reverse flow prevention

#8
20240401498
2024-12-05

SYSTEMS AND METHODS FOR IMPROVED TRANSIENT RESPONSE OF TURBINE GENERATORS

#9
20240369023
2024-11-07

TURBINE OVERSPEED PROTECTION

#10
20240369000
2024-11-07

Turbine overspeed protection

#11
20240368999
2024-11-07

TURBINE OVERSPEED PROTECTION

#12
20240351679
2024-10-24

SYSTEM AND METHOD FOR MEASURING AN AXIAL POSITION OF A ROTATING COMPONENT

#13
20240328326
2024-10-03

System and method for an in-conduit hydroturbine

#14
20240318604
2024-09-26

METHOD FOR REGULATING A TURBOMACHINE

#15
20240318575
2024-09-26

Method and system for de-priming an aircraft engine component containing a flammable fluid for fire safety

#16
20240263563
2024-08-08

Engine inlet cover detection system and method

#17
20240229676
2024-07-11

PRESSURE CONTROL VALVE FOR TURBOEXPANDER OVERSPEED PROTECTION

#18
20240191662
2024-06-13

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

#19
20230374943
2023-11-23

Air turbine starter with decoupler

#20
20230251651
2023-08-10

Systems and methods for providing information regarding particulate matter within an aircraft engine

#21
20230167751
2023-06-01

Method of multi-objective and multi-dimensional online joint monitoring for nuclear turbine

#22
20230029650
2023-02-02

Turbine system with particulate presence and accumulation model for particulate ingress detection

#23
20230003304
2023-01-05

Combination valve consisting of quick-acting valve and control valve for a steam circuit and SIL 3 certified safety circuit

#24
20220355939
2022-11-10

Cabin blower system

#25
20220349318
2022-11-03

Method and system for detecting a functional failure in a power gearbox and a gas turbo engine

#26
20220333499
2022-10-20

Closed loop control employing magnetostrictive sensing

#27
20220307385
2022-09-29

Non-optical flame detector and method for a combustor of a turbine engine

#28
20220298982
2022-09-22

Method and device for capturing trip sign of turbine due to high bearing temperature based on correlation

#29
20220251964
2022-08-11

Systems and methods for selectively disconnecting embedded electrical machines in gas turbine engines

#30
20220243608
2022-08-04

System and method for detecting failure of a propeller feedback device

#31
20220186666
2022-06-16

Method and system of monitoring a component of an aircraft

#32
20220135237
2022-05-05

Ice detection and precautionary system shut-down event reduction systems and related methods

#33
20220127971
2022-04-28

Methods and systems for determining a synthesized engine parameter

#34
20220098997
2022-03-31

Method for controlling the bending deformation of a turbomachine shaft at rest subjected to the residual heat of operation of the turbomachine

#35
20220090515
2022-03-24

System and method for determining high oil consumption in gas turbine engine

#36
20220049620
2022-02-17

System and method for diagnosing a condition of an engine based on volcanic ash

#37
20220010687
2022-01-13

Device and method for monitoring the lifetime of a hydraulic apparatus of an aircraft

#38
20210372293
2021-12-02

CMCs with luminescence environmental barrier coatings

#39
20210340880
2021-11-04

Internal combustion engine diagnosing device

#40
20210340879
2021-11-04

System and method for detecting a shaft event on an engine

#41
20210332765
2021-10-28

Detecting condition of a shaft of a gas turbofan aircraft engine

#42
20210324805
2021-10-21

System and method for detecting and accommodating loss of torque on gas turbine engines

#43
20210301725
2021-09-30

Flow divider valve with relief management valve

#44
20210301679
2021-09-30

In-flight monitoring of aero engine health

#45
20210254492
2021-08-19

Methods and apparatus to determine material parameters of turbine rotors

#46
20210207543
2021-07-08

System for generating electric power for an aircraft

#47
20210108568
2021-04-15

Gas turbine engine turning system

#48
20210042183
2021-02-11

Switchover for redundant control systems

#49
20210017914
2021-01-21

REDUCING IDLE THRUST IN A PROPULSIVE GAS TURBINE

#50
20210010423
2021-01-14

Oxidation activated cooling flow

#51
20200392863
2020-12-17

System and method for diagnosing a condition of an engine from volcanic ash found in lubricating fluid

#52
20200386117
2020-12-10

Systems and methods for monitoring and controlling a gas turbine engine

#53
20200362723
2020-11-19

System and method for detecting an uncommanded or uncontrollable high thrust event in an aircraft

#54
20200362722
2020-11-19

Method and system for operating a rotorcraft engine

#55
20200355124
2020-11-12

Pressure relief latch

#56
20200333178
2020-10-22

Utilization of fast-response pressure measurements to nonintrusively monitor blade vibration in axial compressors

#57
20200332675
2020-10-22

Self-healing remote dynamic data recording

#58
20200313435
2020-10-01

Operational support device for power generation facility

#59
20200291813
2020-09-17

Pressure relief door rotating exhaust deflector

#60
20200277898
2020-09-03

Valve arrangement for a fuel system

#61
20200271018
2020-08-27

SYSTEM AND METHOD FOR MANAGING POWER TO AN ENGINE CONTROLLER

#62
20200266741
2020-08-20

Gas turbine generator speed DC to DC converter control system

#63
20200248582
2020-08-06

Gas turbine engine shaft break mitigation

#64
20200240287
2020-07-30

Steam-using facility monitoring system

#65
20200224551
2020-07-16

Method and system for detecting fan blade structural failure

#66
20200173296
2020-06-04

Air-fire seal and assembly comprising such a seal

#67
20200165934
2020-05-28

Methods and systems for monitoring rotor blades in turbine engines

#68
20200131927
2020-04-30

System and method for detecting deterioration of a control valve

#69
20200123923
2020-04-23

Compressor case clearance control logic

#70
20200063599
2020-02-27

Feed forward load sensing for hybrid electric systems

#71
20200047905
2020-02-13

Distributed control and monitoring system for multiple platforms

#72
20200047904
2020-02-13

Distributed control and monitoring system for multiple platforms

#73
20200047903
2020-02-13

Distributed control and monitoring system for multiple platforms

#74
20200047902
2020-02-13

Distributed control and monitoring system for multiple platforms

#75
20200003063
2020-01-02

Aircraft turbofan engine having variable pitch fan and method of over-pitching the variable pitch fan in an engine out condition to reduce drag

#76
20190360357
2019-11-28

System and method for mitigating undesired vibrations at a turbo machine

#77
20190323376
2019-10-24

Dual trip manifold assembly for turbine systems

#78
20190301300
2019-10-03

SYSTEMS AND METHODS FOR ENGINE VIBRATION MONITORING

#79
20190292944
2019-09-26

Oil system

#80
20190292937
2019-09-26

OIL/FUEL PUMP SYSTEM

#81
20190292936
2019-09-26

METHOD AND SYSTEM FOR DETECTING SHEAR OF A ROTATING SHAFT

#82
20190292935
2019-09-26

Impedance tube having a machined union

#83
20190284955
2019-09-19

Fault detecting apparatus, gas turbine, and method of detecting fault

#84
20190284950
2019-09-19

Processes for adjusting at least one process condition of a chemical processing unit with a turbine

#85
20190277157
2019-09-12

Bearing rotor thrust control

#86
20190226354
2019-07-25

On-board estimator sensor drift detection in engine control

#87
20190226353
2019-07-25

On-board estimator engine sensor fault accommodation in engine control

#88
20190222153
2019-07-18

Lifing and performance optimization limit management for turbine engine

#89
20190186383
2019-06-20

Gas turbine engine installed monitoring and control to prevent standing wave dynamic resonance

#90
20190120137
2019-04-25

Closed-loop thermal cycle expander bypass flow control

#91
20190063448
2019-02-28

Fan stress tracking for turbofan gas turbine engines

#92
20190055999
2019-02-21

Mechanical clutch device and method for operating a mechanical clutch device

#93
20190055852
2019-02-21

Planetary gearbox system and method for operating a planetary gearbox system

#94
20190052206
2019-02-14

Gas turbine generator speed DC to DC converter control system

#95
20190041280
2019-02-07

Components configured to autonomously detect and accommodate structural changes

#96
20190032573
2019-01-31

Partially redundant electronic control system

#97
20190019358
2019-01-17

Universal high redundancy sensor interface for low cost sensing

#98
20190017409
2019-01-17

Performance and life optimizing control system for a turbine engine

#99
20180364651
2018-12-20

Condition-based validation of performance updates

#100
20180363703
2018-12-20

TURBOMACHINE CONTROL SYSTEM FOR HAZARDOUS AREAS

#101
20180363495
2018-12-20

Emergency wind turbine system comprising a device for rotatably locking the turbine

#102
20180347394
2018-12-06

TURBINE BLADE MAXIMUM RESPONSE PREDICTION METHOD, TURBINE BLADE MAXIMUM RESPONSE PREDICTION SYSTEM AND CONTROL PROGRAM, AND TURBINE EQUIPPED WITH TURBINE BLADE MAXIMUM RESPONSE PREDICTION SYSTEM

#103
20180336744
2018-11-22

Hyper-redundant sensor nodes

#104
20180334924
2018-11-22

MULTIPLE MODE HYDROGEN RELEASE SYSTEM AND METHOD FOR A HYDROGEN COOLED GENERATOR

#105
20180320599
2018-11-08

Detection of uncommanded and uncontrollable high thrust events

#106
20180320555
2018-11-08

Support unit for power unit, and turbine having the same

#107
20180312239
2018-11-01

Three dimensional auxetic structure, manufacturing method and tooling

#108
20180307784
2018-10-25

Usage based lifing

#109
20180297718
2018-10-18

Methods and apparatus to monitor health information of a turbine engine

#110
20180283391
2018-10-04

Systems and methods for compressor anomaly prediction

#111
20180283278
2018-10-04

Method and system for adjusting an operating parameter as a function of component health

#112
20180283207
2018-10-04

Gas turbine engine

#113
20180275643
2018-09-27

Apparatus and method for non-destructive detection of fan blade electrical isolation

#114
20180274386
2018-09-27

Gas turbine engine

#115
20180274385
2018-09-27

Gas turbine blade flutter monitoring and control system

#116
20180266270
2018-09-20

METHOD OF DETECTING FLAMEOUT IN A COMBUSTOR AND TURBINE SYSTEM

#117
20180266263
2018-09-20

Air-fire seal and assembly comprising such a seal

#118
20180258749
2018-09-13

System and method for system and method for a turbomachine multiphase hyrdrocarbon pump having an auger coupling

#119
20180231968
2018-08-16

MANAGEMENT TARGET OPERATION SUPPORT DEVICE, MANAGEMENT TARGET OPERATION SUPPORT METHOD, AND PROGRAM THEREFOR

#120
20180209297
2018-07-26

Methods and apparatus to control the actuation of regulators including a loading chamber

#121
20180200806
2018-07-19

Portable jig and fixture for precision machining

#122
20180171821
2018-06-21

Dual trip manifold assembly for turbine systems

#123
20180164796
2018-06-14

Gas turbine engine fleet performance deterioration

#124
20180156136
2018-06-07

Erosion suppression system and method in an exhaust gas recirculation gas turbine system

#125
20180080504
2018-03-22

Gas turbine engine with a geared turbofan arrangement

#126
20180066668
2018-03-08

Damping characteristic determination for turbomachine airfoils

#127
20180066535
2018-03-08

Real time aerodamping measurement of turbomachine

#128
20180058256
2018-03-01

Creep damage indicator module for a valve and actuator monitoring system

#129
20180040175
2018-02-08

Hyper-redundant sensor nodes

#130
20180003022
2018-01-04

System and method for a multiphase hydrocarbon pump having an auger coupling

#131
20170370220
2017-12-28

CUSTOMIZED BLEND LIMIT FOR GAS TURBINE ENGINE AIRFOILS

#132
20170363012
2017-12-21

Low-power bowed rotor prevention and monitoring system

#133
20170356452
2017-12-14

Shaft anti-rotation device

#134
20170350272
2017-12-07

Condensation irradiation system

#135
20170342856
2017-11-30

Dual trip manifold assembly for turbine systems

#136
20170335770
2017-11-23

Oil coking mitigation in a gas turbine engine

#137
20170284224
2017-10-05

Method and system for preventing oil escape

#138
20170254216
2017-09-07

Method and system for piping failure detection in a gas turbine bleeding air system

#139
20170218791
2017-08-03

Method for controlling a bistable shutoff valve for an aircraft engine

#140
20170211413
2017-07-27

Overspeed protection device of an aircraft engine

#141
20170175623
2017-06-22

Advanced humid air gas turbine system

#142
20170145920
2017-05-25

Near zero velocity lubrication system for a turbine engine

#143
20170145851
2017-05-25

Detection of deficient sensors in a gas turbine system

#144
20170130607
2017-05-11

Gas accumulation detection and ventilation in a gas turbine enclosure

#145
20170114662
2017-04-27

Method and apparatus for monitoring lubrication pump operation during windmilling

#146
20170089261
2017-03-30

Electrical augmentation of a gas turbine engine

#147
20170081976
2017-03-23

Steam-using facility monitoring system

#148
20170052087
2017-02-23

Method for detecting leaks in a fuel circuit of a gas turbine fuel supply system

#149
20170036774
2017-02-09

Method for synchronising the engines of an airplane with dual intermediate state

#150
20170009599
2017-01-12

Pressure relief door assembly

#151
20160363001
2016-12-15

Emergency shut-down detection system for a gas turbine

#152
20160326984
2016-11-10

Thrust reversal for turbofan gas turbine engine

#153
20160326966
2016-11-10

METHOD FOR COUNTERACTING DRAFT THROUGH AN ARRANGEMENT INCLUDING A GAS TURBINE DURING A STOP

#154
20160326901
2016-11-10

Turbine tip clearance

#155
20160319939
2016-11-03

High-flow valve arrangement in steam turbine safety system

#156
20160318620
2016-11-03

Aircraft fuel shutoff interlock

#157
20160305344
2016-10-20

Application of probabilistic control in gas turbine tuning for fuel flow-exhaust energy parameters, related control systems, computer program products and methods

#158
20160305343
2016-10-20

Application of probabilistic control in gas turbine tuning for emissions-fuel flow parameters, related control systems, computer program products and methods

#159
20160305342
2016-10-20

Application of probabilistic control in gas turbine tuning for fuel flow-power output parameters, related control systems, computer program products and methods

#160
20160305341
2016-10-20

Application of probabilistic control in gas turbine tuning for power output-emissions parameters, related control systems, computer program products and methods

#161
20160305340
2016-10-20

Application of probabilistic control in gas turbine tuning for exhaust energy-fuel flow parameters, related control systems, computer program products and methods

#162
20160305339
2016-10-20

Application of probabilistic control in gas turbine tuning for fuel flow-emissions parameters, related control systems, computer program products and methods

#163
20160305335
2016-10-20

Application of probabilistic control in gas turbine tuning for emissions-exhaust energy parameters, related control systems, computer program products and methods

#164
20160305334
2016-10-20

Application of probabilistic control in gas turbine tuning for exhaust energy-power output parameters, related control systems, computer program products and methods

#165
20160305333
2016-10-20

Application of probabilistic control in gas turbine tuning for power output-exhaust energy parameters, related control systems, computer program products and methods

#166
20160305332
2016-10-20

Application of probabilistic control in gas turbine tuning for exhaust energy-emissions parameters, related control systems, computer program products and methods

#167
20160298487
2016-10-13

Protection system and turbo engine with a protection system

#168
20160230591
2016-08-11

Method for operating a turbo-machine having overload protection and turbo-machine comprising a device for carrying out said method

#169
20160160762
2016-06-09

System and method for predicting and managing life consumption of gas turbine parts

#170
20160130974
2016-05-12

Compressor monitoring method

#171
20160123238
2016-05-05

System and method for turbomachinery vane prognostics and diagnostics

#172
20160123182
2016-05-05

Modular thrust system

#173
20160090918
2016-03-31

Method of stopping a rotorcraft engine in overspeed, and a system and a rotorcraft associated therewith

#174
20160084107
2016-03-24

Turbomachine comprising a casing wear indicator

#175
20160069206
2016-03-10

Steam turbine

#176
20160054171
2016-02-25

Detecting rotor anomalies during transient speed operations

#177
20160033321
2016-02-04

Method and system for monitoring sub-synchronous torsional oscillations of a shaft line of a steam turbine

#178
20160032829
2016-02-04

Method and device for optimizing the utilization of an engine

#179
20150377146
2015-12-31

Erosion suppression system and method in an exhaust gas recirculation gas turbine system

#180
20150363925
2015-12-17

Anomaly diagnosis method and apparatus

#181
20150354402
2015-12-10

Detecting blade structure abnormalities

#182
20150315953
2015-11-05

Methods of determining sensor probe location in a closed loop emissions control system

#183
20150275753
2015-10-01

Method for monitoring at least one exhaust gas turbocharger

#184
20150247420
2015-09-03

Flapper valve assembly and method of flowing air therethrough

#185
20150247417
2015-09-03

Rotor tip clearance

#186
20150176499
2015-06-25

Process for preventing rotating stall and surge in a turbomachine

#187
20150176431
2015-06-25

Double frangible bearing support

#188
20150159504
2015-06-11

System and method for preventing an emergency over-speed condition in a rotating machine

#189
20150158597
2015-06-11

EMERGENCY POWER GENERATION VIA LIMITED VARIABLE PITCH FAN BLADE

#190
20150135948
2015-05-21

Systems and methods for managing turbine intake filters

#191
20150128596
2015-05-14

Steam turbine blade vibration monitor backpressure limiting system and method

#192
20150098792
2015-04-09

Method of operating a turbine engine after flame off

#193
20150082802
2015-03-26

Turbomachine comprising a monitoring system comprising a module for engaging a protection function of the turbomachine and monitoring method

#194
20150044031
2015-02-12

Air disruption system for an enclosure

#195
20150042103
2015-02-12

Lifing and performance optimization limit management for turbine engine

#196
20150013343
2015-01-15

Method and device for safely operating a gas turbine plant

#197
20150000300
2015-01-01

Gas turbine having fuel monitoring

#198
20140373541
2014-12-25

Method and apparatus for safety operation of extraction steam turbine utilized for power generation plant

#199
20140369833
2014-12-18

Methods and systems for blade health monitoring

#200
20140294561
2014-10-02

Steam turbine governing system for maintaining synchronization and process for performing the same

#201
20140290271
2014-10-02

Mounting arrangement

#202
20140271117
2014-09-18

Lifing and performance optimization limit management for turbine engine

#203
20140260249
2014-09-18

Method and apparatus for improving electro-hydraulic and electro-mechanical integrated control systems of a steam turbine

#204
20140236450
2014-08-21

Determining the deterioration of a gas turbine engine in use

#205
20140208751
2014-07-31

Process for controlling a power turbine throttle valve during a supercritical carbon dioxide rankine cycle

#206
20140154047
2014-06-05

Method and system for steam purity monitoring through use of high electron mobility transistors

#207
20140109546
2014-04-24

Grounding for fan blades on an underblade spacer

#208
20140034158
2014-02-06

Apparatus for monitoring of valves and method of operating the same

#209
20130269364
2013-10-17

Systems and methods for detecting fuel leaks in gas turbine engines

#210
20130239653
2013-09-19

System for detecting defects on an aircraft engine impeller wheel

#211
20130152600
2013-06-20

Shaft break detection

#212
20130115050
2013-05-09

Apparatus to measure blade vibration in a turbine engine based on series of images exposed by an imager in response to a sequence of illumination bursts

#213
20130104561
2013-05-02

ACTIVE FUEL CONTROL ON GAS TURBINE SHUTDOWN SEQUENCE

#214
20130043680
2013-02-21

Control of load rejection

#215
20120277968
2012-11-01

MOISTURE MONITORING SYSTEM FOR GAS TURBINE ENGINES

#216
20120245860
2012-09-27

System and method for monitoring health of stator vanes

#217
20120177491
2012-07-12

Methods, systems and apparatus for detecting material defects in rotor blades of combustion turbine engines

#218
20120121383
2012-05-17

Turbomachine component and turbomachine equipped therewith

#219
20120053811
2012-03-01

Method and a device for optimizing the utilization of an engine

#220
20110318169
2011-12-29

System for controlling thrust in steam turbine

#221
20110296810
2011-12-08

Life management system and method for gas turbine thermal barrier coatings

#222
20110282501
2011-11-17

Method of detecting a liquid fuel leak in a gas turbine

#223
20110262270
2011-10-27

Nacelle equipped with at least one excess pressure flap

#224
20110250046
2011-10-13

TURBOFAN ENGINE PERFORMANCE RECOVERY SYSTEM AND METHOD

#225
20110247418
2011-10-13

SYSTEM AND METHOD FOR MONITORING A COMPRESSOR

#226
20110171014
2011-07-14

Nacelle comprising at least one surge trap

#227
20110046863
2011-02-24

Control apparatus for aeroplane gas turbine engine

#228
20110041503
2011-02-24

Turbine Protection Device

#229
20100313639
2010-12-16

Gas turbine engine debris monitoring arrangement

#230
20100296918
2010-11-25

Method for determining the remaining service life of a rotor of a thermally loaded turboengine

#231
20100292906
2010-11-18

Method of controlling engine performance

#232
20100275608
2010-11-04

Systems and Methods for Rapid Turbine Deceleration

#233
20100270812
2010-10-28

Power turbine speed control using electrical load following

#234
20100226757
2010-09-09

Instrumented component for combustion turbine engine

#235
20100219942
2010-09-02

Methods, systems and/or apparatus relating to turbine blade monitoring

#236
20100185377
2010-07-22

System and method for starting a gas turbine engine with inoperable exhaust gas turbine temperature sensor

#237
20100089030
2010-04-15

CONTROLLING THE AERODYNAMIC DRAG OF A GAS TURBINE ENGINE DURING A SHUTDOWN STATE

#238
20100088003
2010-04-08

System and method for providing gas turbine engine output torque sensor validation and sensor backup using a speed sensor

#239
20100071375
2010-03-25

Apparatus for observing combustion conditions in a gas turbine engine

#240
20100058730
2010-03-11

GAS TURBINE POWER GENERATION SYSTEM AND METHOD OF DETECTING CALORIFIC ABNORMALITY OF THE SAME

#241
20100028133
2010-02-04

TURBOMACHINE COMPONENT DAMPING STRUCTURE AND METHOD OF DAMPING VIBRATION OF A TURBOMACHINE COMPONENT

#242
20100013243
2010-01-21

Power turbine speed control using electrical load following

#243
20090312956
2009-12-17

Method and apparatus for measuring on-line failure of turbine thermal barrier coatings

#244
20090248363
2009-10-01

Method of multi-level fault isolation design

#245
20090138170
2009-05-28

Method for operating a gas turbine and also gas turbine for carrying out the method

#246
20090112519
2009-04-30

Foreign object/domestic object damage assessment

#247
20090110541
2009-04-30

Vibration management for gas turbine engines

#248
20090004008
2009-01-01

Blade mounting

#249
20080302081
2008-12-11

Method for detecting ice ingestion in a gas turbine engine

#250
20080156089
2008-07-03

Method for preventing an over temperature condition in a gas turbine engine

#251
20080148726
2008-06-26

Power turbine speed control using electrical load following

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