ClassID:

139240

F02C9/46 - CPC Classification

Classification description:

Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants; Control of fuel supply Emergency fuel control

Recent Application in this class:
#1
20260063080
2026-03-05

Apparatus and Method to Control Supplying Fuel to a Gas Turbine System

#2
20260043362
2026-02-12

AUTOMATED CONTROL OF TURBINE ENGINES OF A ROTARY-WING AIRCRAFT DURING A FAILURE ON A TURBINE ENGINE

#3
20250327424
2025-10-23

STAGED COMBUSTOR

#4
20250305458
2025-10-02

FUEL LEAK COMBUSTION ASSEMBLY

#5
20250276803
2025-09-04

METHOD FOR AUTOMATICALLY CONTROLLING AN AIRCRAFT IN THE EVENT OF A FIRE IN THE ENGINE ZONE AND AN AIRCRAFT

#6
20250264063
2025-08-21

AIRCRAFT COMPRISING A GAS TURBINE ENGINE HAVING PRIMARY AND SECONDARY FUEL-INJECTORS

#7
20250236410
2025-07-24

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

#8
20250223931
2025-07-10

HYDROGEN FUEL DELIVERY SYSTEM

#9
20250188880
2025-06-12

VENT STACK ASSEMBLIES FOR HYDROGEN DISTRIBUTION SYSTEMS AND RELATED METHODS

#10
20250187727
2025-06-12

FLYING VEHICLE HAVING AUXILIARY THRUSTER AND METHOD FOR CONTROLLING AUXILIARY THRUSTER

#11
20250067626
2025-02-27

Method and apparatus for automated gas turbine engine testing

#12
20250042563
2025-02-06

METHOD FOR REGULATING THE SPEED OF ROTATION OF A PROPULSION DEVICE OF A HYBRID PROPULSION UNIT FOR AN AIRCRAFT, IN THE EVENT OF A FAILURE OF THE MAIN REGULATION SYSTEM OF THE HEAT ENGINE OF THE HYBRID PROPULSION UNIT

#13
20250035043
2025-01-30

EMERGENCY START OF A GAS TURBINE ENGINE

#14
20240254929
2024-08-01

DEVICE FOR BLOCKING THE SHUT-OFF OF A PROPULSION ENGINE FOR AIRCRAFT

#15
20240209791
2024-06-27

Staged combustor

#16
20240175399
2024-05-30

System and method for in situ verification of redundant electro-hydraulic servo valve (EHSV) operational status in redundant flow control systems

#17
20230417193
2023-12-28

Redundant electro-hydraulic servo valve (EHSV) control in a fuel metering system

#18
20230407798
2023-12-21

GAS TURBINE ENGINE SYSTEM

#19
20230407761
2023-12-21

Electronic overspeed protection system and method

#20
20230399986
2023-12-14

MONITORING SYSTEMS FOR HYDROGEN FUELED AIRCRAFT

#21
20230175443
2023-06-08

Fuel control system

#22
20230167770
2023-06-01

Propulsion assembly for an aircraft

#23
20230138476
2023-05-04

HYBRID ELECTRIC SINGLE ENGINE DESCENT RESTART

#24
20230129155
2023-04-27

Modulating fuel for a turbine engine

#25
20230069668
2023-03-02

System and method for controlling fuel flow to an aircraft engine during start

#26
20230018992
2023-01-19

INTEGRATED FUEL GAS HEATER FOR MOBILE FUEL CONDITIONING EQUIPMENT

#27
20220403786
2022-12-22

Restarting a plurality of engines of an aircraft

#28
20220307428
2022-09-29

Hydrogen fuel leak detection system

#29
20220275763
2022-09-01

Gas turbine engine

#30
20220243668
2022-08-04

FAULT DETECTION OF A FUEL CONTROL UNIT

#31
20220120225
2022-04-21

Method and system for controlling a fuel-metering device

#32
20220090543
2022-03-24

System and method for controlling a speed of rotation of an aircraft turbine engine with fault management

#33
20220065736
2022-03-03

Systems and methods for detecting a fuel leak

#34
20220018286
2022-01-20

Circuit for draining a combustion chamber and method for determining the failure of such a circuit

#35
20210396185
2021-12-23

Method for operating a power plant, and power plant

#36
20210340879
2021-11-04

System and method for detecting a shaft event on an engine

#37
20210332765
2021-10-28

Detecting condition of a shaft of a gas turbofan aircraft engine

#38
20210317790
2021-10-14

System and method to prevent unintended aircraft engine shutdown

#39
20210301678
2021-09-30

Gas turbine engine

#40
20210131354
2021-05-06

Methods and systems for detection of control sensor override

#41
20210108579
2021-04-15

Systems and methods for purging a fuel manifold of a gas turbine engine

#42
20210095602
2021-04-01

GAS TURBINE ENGINE

#43
20210087978
2021-03-25

Systems and methods for operating gas turbine engines

#44
20210010429
2021-01-14

Modulating fuel for a turbine engine

#45
20200386169
2020-12-10

Integrated fuel gas heater for mobile fuel conditioning equipment

#46
20200378315
2020-12-03

FUEL SYSTEM WITH INTEGRATED THRUST CONTROL MALFUNCTION PROTECTION AND METHOD

#47
20200309039
2020-10-01

Control of a gas turbine driving a generator of an electrical system based on faults detected in the electrical system

#48
20200277898
2020-09-03

Valve arrangement for a fuel system

#49
20200191065
2020-06-18

Fuel flow control

#50
20200131918
2020-04-30

Gas turbine engine control system and method for limiting turbine overspeed in case of a shaft failure

#51
20200080497
2020-03-12

DETECTION OF UNCOMMANDED AND UNCONTROLLABLE HIGH THRUST EVENTS

#52
20190292936
2019-09-26

METHOD AND SYSTEM FOR DETECTING SHEAR OF A ROTATING SHAFT

#53
20190285004
2019-09-19

Fault-accommodating flow scheduling valve

#54
20190078517
2019-03-14

METHOD AND SYSTEM FOR DIRECTING FUEL FLOW TO AN ENGINE

#55
20190032510
2019-01-31

Systems and methods for predicting an anomaly in a combustor

#56
20190017409
2019-01-17

Performance and life optimizing control system for a turbine engine

#57
20180372006
2018-12-27

Fluid supply system for turbine engine, including an adjustable flow pump and a fluid metering device

#58
20180306125
2018-10-25

FUEL CONTROL SYSTEM

#59
20180283287
2018-10-04

ULTRA-LOW NOX EMISSION GAS TURBINE ENGINE IN MECHANICAL DRIVE APPLICATIONS

#60
20180283286
2018-10-04

Detection of uncommanded and uncontrollable high thrust events

#61
20180273196
2018-09-27

Method for automatic shutdown of engines of a twin-engined aircraft

#62
20180209353
2018-07-26

Power plant with emergency fuel system

#63
20180209297
2018-07-26

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

#64
20180156139
2018-06-07

Hydromechanical cutoff device with hysteresis for a turbomachine lubrification system

#65
20180156138
2018-06-07

CONTROL SYSTEM AND METHOD FOR A GAS TURBINE ENGINE

#66
20180112602
2018-04-26

Methods and systems for detection of control sensor override

#67
20180045071
2018-02-15

Shaft shear detection in gas turbine engines

#68
20180010980
2018-01-11

Shaft shear detection through shaft oscillation

#69
20170363008
2017-12-21

Windmill bypass with shutoff signal

#70
20170356349
2017-12-14

System and method to enhance lean blowout monitoring

#71
20170356302
2017-12-14

Control system for a gas turbine engine

#72
20170306790
2017-10-26

FUEL SYSTEMS FOR TURBOMACHINES

#73
20170298840
2017-10-19

Combustion staging system

#74
20170298839
2017-10-19

Combustion staging system

#75
20170298836
2017-10-19

Compressor bleed valve health assessment systems and methods

#76
20170284306
2017-10-05

Aircraft turbine engine comprising a discharge device

#77
20170268432
2017-09-21

Emergency shutoff device and emergency shutoff system provided with same

#78
20170254295
2017-09-07

Overspeed protection system and method

#79
20170218791
2017-08-03

Method for controlling a bistable shutoff valve for an aircraft engine

#80
20170211486
2017-07-27

Fuel flow control

#81
20170211413
2017-07-27

Overspeed protection device of an aircraft engine

#82
20170167390
2017-06-15

Fuel control system

#83
20170138271
2017-05-18

Fuel supply system for use in a gas turbine engine and method of controlling an overspeed event therein

#84
20170101938
2017-04-13

Method for detecting a failure of a first turbine engine of a twin-engine helicopter and for operating the second turbine engine, and corresponding device

#85
20170081974
2017-03-23

Gas turbine engine uncontrolled high thrust detection system and method

#86
20170052087
2017-02-23

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

#87
20170022906
2017-01-26

METHOD FOR ISOLATING A COMBUSTIBLE FLUID TANK FROM A DOWNSTREAM PORTION OF A TURBOMACHINE SUPPLY SYSTEM IN CASE OF A FIRE, AND SUCH A SUPPLY SYSTEM

#88
20170016214
2017-01-19

Fluid flow monitoring, verification and control system and method

#89
20170009666
2017-01-12

Fuel supply pipeline system for gas turbine

#90
20160369649
2016-12-22

High temperature flame sensor

#91
20160368614
2016-12-22

Thrust recovery in airplanes

#92
20160363001
2016-12-15

Emergency shut-down detection system for a gas turbine

#93
20160341131
2016-11-24

Control device and control method for a fuel gas supply system

#94
20160318620
2016-11-03

Aircraft fuel shutoff interlock

#95
20160318617
2016-11-03

Method and a device for managing a loss of power on a three-engined power plant

#96
20160305338
2016-10-20

Fuel control system with shutoff feature

#97
20160298486
2016-10-13

Turbine engine and control method

#98
20160265445
2016-09-15

Overthrust protection system and method

#99
20160245524
2016-08-25

Combustion staging system

#100
20160194977
2016-07-07

Turbine engine shaft break detection

#101
20160178471
2016-06-23

Method for detecting a fuel leak in a fuel system of an aircraft having at least two engines

#102
20160146117
2016-05-26

AIRCRAFT ENGINE FUEL SYSTEM

#103
20160091381
2016-03-31

Method for determining a fault within a flow divider

#104
20160090918
2016-03-31

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

#105
20160090187
2016-03-31

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

#106
20160053689
2016-02-25

Engine overspeed protection with thrust control

#107
20150296650
2015-10-15

Aircraft turbomachine computer

#108
20150292416
2015-10-15

Gas turbine power generation equipment

#109
20150211419
2015-07-30

Method and apparatus for controlling gas turbine when gas turbine is started

#110
20150184594
2015-07-02

SYSTEMS AND METHODS TO MAINTAIN STABILITY OF FUEL FLOW IN GAS TURBINE ENGINES

#111
20150159562
2015-06-11

Method and apparatus for controlling gas turbine combustor

#112
20150089921
2015-04-02

AUXILIARY POWER SUPPLY METHOD THROUGH AN AUXILIARY POWER UNIT AND CORRESPONDING ARCHITECTURE

#113
20150082802
2015-03-26

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

#114
20150027412
2015-01-29

Engine fuel control system

#115
20150013343
2015-01-15

Method and device for safely operating a gas turbine plant

#116
20150000300
2015-01-01

Gas turbine having fuel monitoring

#117
20140360255
2014-12-11

Monitoring the fuel supply cutoff valve for an engine

#118
20140210217
2014-07-31

Gas turbine under frequency response improvement system and method

#119
20140210210
2014-07-31

Gas turbine power generation system comprising an emergency power supply system

#120
20140129111
2014-05-08

System and method of protecting an engine and other aircraft components from damage that may otherwise occur from a fuel control unit failure

#121
20140121934
2014-05-01

System for detecting shaft shear event

#122
20140023525
2014-01-23

Fuel circuit comprising means for controlling a pump

#123
20130220004
2013-08-29

Debris detection in turbomachinery and gas turbine engines

#124
20130186096
2013-07-25

Method for monitoring a fuel circuit shut-off valve

#125
20130079894
2013-03-28

Multi-channel protection logic

#126
20120210725
2012-08-23

NON-FLAME-OUT TEST FOR THE COMBUSTION CHAMBER OF A TURBINE ENGINE

#127
20120116613
2012-05-10

Method of controlling an overspeed safety system for aeroengines and a control circuit for implementing said method

#128
20120109426
2012-05-03

Aircraft power plant, an aircraft, and a method of piloting said aircraft

#129
20120079832
2012-04-05

Device and method for detecting a fault in a low-pressure fuel pump of a turbojet and turbojet including one such device

#130
20120055161
2012-03-08

Method and Apparatus for Controlling Gas Turbine Combustor

#131
20110282501
2011-11-17

Method of detecting a liquid fuel leak in a gas turbine

#132
20110173988
2011-07-21

Multi-mode adaptive fail-fixed system for FADEC controlled gas turbine engines

#133
20110146823
2011-06-23

Fuel control system with servo valve controlled windmill relight mode

#134
20110046863
2011-02-24

Control apparatus for aeroplane gas turbine engine

#135
20110036094
2011-02-17

Load rejection and recovery using a secondary fuel nozzle

#136
20100326081
2010-12-30

METHOD FOR MITIGATING A FUEL SYSTEM TRANSIENT

#137
20100305826
2010-12-02

Automatic managing system of engine control modes of a multi-engine aircraft

#138
20100288883
2010-11-18

Method for detecting a fuel leakage in an aircraft engine and system for carrying out said method

#139
20100198419
2010-08-05

Gas turbine operation control device and operation control method

#140
20100193631
2010-08-05

Hydraulic drive, hydraulic supply device, airplane with a hydraulic supply device and method for configuring a hydraulic supply device

#141
20100158707
2010-06-24

Fuel system

#142
20100010721
2010-01-14

Methods and systems to facilitate over-speed protection

#143
20100010720
2010-01-14

Methods and systems to facilitate over-speed protection

#144
20100005657
2010-01-14

METHODS AND SYSTEMS TO FACILITATE OVER-SPEED PROTECTION

#145
20090158702
2009-06-25

Method for controlling the load variations in a gas turbine

#146
20090099750
2009-04-16

Maneuver based aircraft gas turbine engine speed control

#147
20080279675
2008-11-13

Operation of an aircraft engine after emergency shutdown

#148
20080276620
2008-11-13

Method of operating a gas turbine engine

#149
20080229726
2008-09-25

Two-displacement setting variable displacement pump used as engine over-thrust protection with fuel system thermal benefit

#150
20080178573
2008-07-31

Gas turbine and method for shutting off a gas turbine when breakage of a shaft is identified

#151
20080134684
2008-06-12

Apparatus and method for gas turbine active combustion control system

#152
20080128029
2008-06-05

METHOD, SYSTEM AND COMPUTER PRODUCT FOR ENSURING BACKUP GENERATOR FUEL AVAILABILITY

#153
20080125930
2008-05-29

Automatic engine fuel flow monitoring and alerting fuel leak detection method

#154
20080071427
2008-03-20

Method and system for detection and transfer to electrical island operation

#155
20080069685
2008-03-20

Device for detecting a fracture in the shaft of a gas turbine, and gas turbine

#156
20080047275
2008-02-28

Methods and systems for operating a gas turbine

#157
20070113559
2007-05-24

Overspeed limiter for turboshaft engines

#158
20070081909
2007-04-12

Hydraulic lock for axial motion output device

#159
20070068170
2007-03-29

Emergency fuel shutoff system

#160
20070068168
2007-03-29

Method of operating a thermal power plant

#161
20070062200
2007-03-22

Method of operating a thermal power plant

#162
20060283191
2006-12-21

Control system for aircraft engine

#163
20060217869
2006-09-28

Failsafe electronic engine control system overheat shutdown

#164
20060195248
2006-08-31

Fault detection system and method for turbine engine fuel systems

#165
20060156736
2006-07-20

Method and apparatus for controlling fuel flow to an engine

#166
20060112697
2006-06-01

Stall detection and recovery system

#167
20050268972
2005-12-08

Fuel metering unit

#168
20050193715
2005-09-08

Shut-off system for the avoidance of an overspeed condition in the event of a shaft failure

#169
20050109038
2005-05-26

Method and apparatus for controlling fuel flow to an engine

#170
20050109035
2005-05-26

Fail fixed fuel metering device and method for providing bumpless transfer to backup

#171
20050066648
2005-03-31

Multi-mode shutdown system for a fuel metering unit

#172
20050050897
2005-03-10

Method and system for failure accommodation of gas generator fuel metering system

#173
20050005591
2005-01-13

Battle override valve

#174
18817840
2026-03-03

Apparatus and method to control supplying fuel to a gas turbine system

#175
17857996
2023-07-25

Systems and methods for bleed valve control in fuel systems

#176
15646592
2018-06-26

Propulsion system for an aircraft