ClassID:

139238

F02C9/42 - CPC Classification

Classification description:

Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants; Control of fuel supply specially adapted for the control of two or more plants simultaneously

Recent Application in this class:
#1
20260139634
2026-05-21

GAS TURBINE ACCELERATION LIMIT BIASING FOR PREMATURE ASYMMETRIC OPERATING REGIME EXITS

#2
20260117711
2026-04-30

METHOD FOR REACTIVATING A COMBUSTION ENGINE IN STANDBY MODE DURING AN ASYMMETRIC OPERATING MODE IN A MULTI-ENGINE AIRCRAFT

#3
20260104014
2026-04-16

SYSTEMS AND METHODS FOR FILLING A FUEL MANIFOLD OF A GAS TURBINE ENGINE

#4
20260043362
2026-02-12

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

#5
20260043361
2026-02-12

METHOD FOR MANAGING THE EXITING OF A SPECIFIC-CONSUMPTION MODE OF AN AIRCRAFT TURBINE ENGINE

#6
20250043737
2025-02-06

Heating Methods to Facilitate Engine In-Flight Restarts

#7
20240426708
2024-12-26

TESTING SECONDARY POWER SYSTEM OF AIRCRAFT POWERPLANT

#8
20240418131
2024-12-19

SYSTEM AND METHOD FOR EFFICIENTLY DETERMINING A PHASE SHIFT IN A PROPULSION SYSTEM

#9
20240410321
2024-12-12

SYSTEM AND METHOD FOR CONTROLLING ENGINES OF A MULTI-ENGINE AIRCRAFT ENGINE ASSEMBLY

#10
20240093648
2024-03-21

METHODS AND SYSTEMS FOR SUPPLYING FUEL TO GAS TURBINE ENGINES

#11
20240077032
2024-03-07

System and method for purging a fuel manifold of a gas turbine engine using a flow divider assembly

#12
20240068414
2024-02-29

METHOD OF CONTRAIL MITIGATION AND AIRCRAFT HAVING CONTRAIL MITIGATION FUNCTIONALITY

#13
20230340910
2023-10-26

System and method for purging a fuel manifold of a gas turbine engine through a flow divider valve

#14
20230279808
2023-09-07

Aircraft propulsion system

#15
20230212992
2023-07-06

Methods and systems for supplying fuel to gas turbine engines

#16
20230211876
2023-07-06

Reduced-engine operation technique for rotorcraft

#17
20230184179
2023-06-15

Aircraft propulsion system

#18
20230175444
2023-06-08

System and method of operating multi-engine system

#19
20230175436
2023-06-08

System and method of operating multi-engine system

#20
20230138476
2023-05-04

HYBRID ELECTRIC SINGLE ENGINE DESCENT RESTART

#21
20230137815
2023-05-04

Hybrid electric single engine descent mode activation logic

#22
20230136062
2023-05-04

Hybrid electric single engine descent power extraction control

#23
20230083847
2023-03-16

System and method for purging a fuel manifold of a gas turbine engine through a flow divider valve

#24
20230013754
2023-01-19

Power management methods for multi engine rotorcraft

#25
20220403790
2022-12-22

METHOD OF CONTRAIL MITIGATION AND AIRCRAFT HAVING CONTRAIL MITIGATION FUNCTIONALITY

#26
20220403786
2022-12-22

Restarting a plurality of engines of an aircraft

#27
20220298972
2022-09-22

System and method for purging a fuel manifold of a gas turbine engine using a flow divider assembly

#28
20220243653
2022-08-04

Gas turbine engine system wear reduction

#29
20220213838
2022-07-07

Air system switching system to allow aero-engines to operate in standby mode

#30
20220145811
2022-05-12

Control logic for gas turbine engine fuel economy

#31
20220145810
2022-05-12

Gas generator speed limit and power recovery

#32
20220135239
2022-05-05

METHOD FOR CONTROLLING A POWER PLANT OF A ROTORCRAFT COMPRISING AT LEAST TWO TURBOSHAFT ENGINES

#33
20220009646
2022-01-13

Motoring synchronization for multiple engines

#34
20220009615
2022-01-13

Hybrid electric powerplant (HEP) control architecture

#35
20210380263
2021-12-09

Independent speed variable frequency generator for more electric aircraft using brushless doubly-fed machines (BDFM)

#36
20210254558
2021-08-19

Method for monitoring engine health of aircraft

#37
20210246827
2021-08-12

Asymmetric propulsion system with heat recovery

#38
20210237889
2021-08-05

Synchronization of aircraft engines

#39
20210222629
2021-07-22

Asymmeiric hybrid aircraft idle

#40
20210139158
2021-05-13

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

#41
20210131355
2021-05-06

CONTROL METHOD AND SYSTEM IN A HYBRID-ELECTRICAL AIRCRAFT PROPULSION SYSTEM

#42
20210108579
2021-04-15

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

#43
20210108578
2021-04-15

Method for checking the maximum available power of a turbine engine of an aircraft equipped with two turbine engines

#44
20210095601
2021-04-01

Methods and systems for supplying fuel to gas turbine engines

#45
20210095579
2021-04-01

Plant control apparatus, plant control method and power generation plant

#46
20210079852
2021-03-18

Methods and systems for supplying fuel to gas turbine engines

#47
20210061451
2021-03-04

Power management systems for multi engine rotorcraft

#48
20200408148
2020-12-31

System and method for operating a multi-engine rotorcraft

#49
20200392909
2020-12-17

Preventing surge

#50
20200378317
2020-12-03

Air system of multi-engine aircraft

#51
20200378316
2020-12-03

Control logic for gas turbine engine fuel economy

#52
20200362764
2020-11-19

System and method for purging a fuel manifold of a gas turbine engine using a flow divider assembly

#53
20200362763
2020-11-19

System and method for purging a fuel manifold of a gas turbine engine through a flow divider valve

#54
20200309038
2020-10-01

Air system switching system to allow aero-engines to operate in standby mode

#55
20200284206
2020-09-10

Method and system for operating an engine in a multi-engine aircraft

#56
20200277073
2020-09-03

Torque balancing for hybrid electric propulsion systems and aircraft utilizing hybrid electric propulsion systems

#57
20200207482
2020-07-02

Pre-start motoring synchronization for multiple engines

#58
20200200127
2020-06-25

Gas turbine engine system wear reduction

#59
20200200099
2020-06-25

Gas turbine engine system bowed rotor start mitigation and wear reduction

#60
20200088111
2020-03-19

Control of fuel flow for power generation based on DC link level

#61
20190345837
2019-11-14

Hybrid electric aircraft propulsion system

#62
20190300192
2019-10-03

Synchronization of aircraft engines

#63
20190055890
2019-02-21

Control of fuel flow for power generation based on DC link level

#64
20180273196
2018-09-27

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

#65
20180252158
2018-09-06

System, method and computer program for operating a land- or marine-based multi-spool gas turbine

#66
20180230946
2018-08-16

High compressor build clearance reduction

#67
20180187604
2018-07-05

Assistance device for a free-turbine engine of an aircraft having at least two free-turbine engines

#68
20180105280
2018-04-19

Multi-engine aircraft thrust balancing

#69
20180086474
2018-03-29

System and method for controlling fuel flow to a gas turbine engine based on motion sensor data

#70
20180080380
2018-03-22

Inlet guide vane control for aircraft single engine operation

#71
20180050809
2018-02-22

Synchronization of aircraft engines

#72
20180022463
2018-01-25

Pre-start motoring synchronization for multiple engines

#73
20170369180
2017-12-28

Operating auxiliary power unit during off-nominal propulsion system operation

#74
20170247114
2017-08-31

Hybrid propulsion system for a multi-engine aircraft

#75
20170191579
2017-07-06

Universal external isolation and B and B valve skid for industrial gas appliances

#76
20170184032
2017-06-29

Assistance device for an aircraft turbine engine with a free turbine

#77
20170176960
2017-06-22

Machine-specific combined probabilistic control in gas turbine tuning for power output-emissions parameters with scaling factor, related control systems, computer program products and methods

#78
20170175650
2017-06-22

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

#79
20170175649
2017-06-22

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

#80
20170175648
2017-06-22

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

#81
20170175644
2017-06-22

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

#82
20170159575
2017-06-08

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

#83
20170159574
2017-06-08

Adaptive Engine Model Torque Splitting Optimization

#84
20170152055
2017-06-01

Architecture of a multiple-engine helicopter propulsion system, and corresponding helicopter

#85
20170107913
2017-04-20

Systems and methods for injection of bio-diesel into a gas turbine combustor

#86
20170096233
2017-04-06

Architecture of a multi-engine helicopter propulsion system and corresponding helicopter

#87
20170066541
2017-03-09

Method of regulating a three-engined power plant for a rotary wing aircraft

#88
20170058786
2017-03-02

Propulsion system

#89
20170058717
2017-03-02

Multi-shaft combined cycle plant, and control device and operation method thereof

#90
20170036774
2017-02-09

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

#91
20160376017
2016-12-29

Method of regulating a three-engined power plant for a rotary wing aircraft

#92
20160363008
2016-12-15

Combined cycle gas turbine plant

#93
20160352273
2016-12-01

Turbogenerator system

#94
20160341076
2016-11-24

Plant operation apparatus, plant operation method, and plant operation program

#95
20160333782
2016-11-17

Multiple turboshaft engine control method and system for helicopters

#96
20160318617
2016-11-03

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

#97
20160272338
2016-09-22

Twin-engined rotorcraft having a fuel supply installation for a power plant auxiliary power unit (APU)

#98
20160258363
2016-09-08

Methods and systems for enhancing control of power plant generating units

#99
20160237917
2016-08-18

METHOD FOR OPTIMISING THE SPECIFIC CONSUMPTION OF A TWIN HELICOPTER

#100
20160214731
2016-07-28

Multi-engine aircraft thrust balancing

#101
20160169112
2016-06-16

Fuel supply apparatus for aircraft engine

#102
20160144971
2016-05-26

Assisting the piloting of a multi-engined rotorcraft in an engine-failure situation, in the context of a main rotor of the rotorcraft being driven at variable speed

#103
20160138483
2016-05-19

Power output and fuel flow based probabilistic control in part load gas turbine tuning, related control systems, computer program products and methods

#104
20160138482
2016-05-19

Application of probabilistic control in gas turbine tuning with measurement error, related control systems, computer program products and methods

#105
20160138480
2016-05-19

Application of probabilistic control in gas turbine tuning, related control systems, computer program products and methods

#106
20160069268
2016-03-10

Engine-induced aircraft cabin resonance reduction system and method

#107
20150291286
2015-10-15

Multiple aircraft engine control system and method of communicating data therein

#108
20150284103
2015-10-08

Aircraft vapour trail control system

#109
20150251770
2015-09-10

System and method for operating a multi-engine aircraft in an auxiliary power unit mode

#110
20150176488
2015-06-25

Power plant including a secondary engine for compensating for losses of power from main engines in a rotary wing aircraft

#111
20150081193
2015-03-19

Adaptive remaining useful life balancing control system and method for multi-engine systems

#112
20150028153
2015-01-29

Regulated three-engined power plant for a rotary wing aircraft

#113
20150000300
2015-01-01

Gas turbine having fuel monitoring

#114
20140283527
2014-09-25

Multi-engine performance margin synchronization adaptive control system and method

#115
20140257667
2014-09-11

Method of synchronizing the engines of an aircraft

#116
20140250861
2014-09-11

Aircraft power plant

#117
20130184903
2013-07-18

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

#118
20130139518
2013-06-06

Multiple turboshaft engine control method and system for helicopters

#119
20130074588
2013-03-28

Power plant analyzer for analyzing a plurality of power plants

#120
20130019608
2013-01-24

Method of inhibiting ice accretion within a turbine engine and control system therefor

#121
20130006429
2013-01-03

Process optimization method and system for a power plant

#122
20120116613
2012-05-10

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

#123
20120109426
2012-05-03

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

#124
20120072194
2012-03-22

Methods and systems for modeling turbine operation

#125
20120023963
2012-02-02

Power plant and method of operation

#126
20110288740
2011-11-24

Engine synchronization method

#127
20110202251
2011-08-18

Apparatus and method for reducing aircraft fuel consumption

#128
20100332105
2010-12-30

Distributed engine control system

#129
20090145105
2009-06-11

REMOTE ENGINE FUEL CONTROL AND ELECTRONIC ENGINE CONTROL FOR TURBINE ENGINE

#130
20090106978
2009-04-30

Methods for operating gas turbine engines

#131
20090094960
2009-04-16

Method for operating a gas turbine, method of operation of a combined cycle power plant, and combined cycle power plant

#132
20090064654
2009-03-12

Turbine engine with modulated combustion and reheat chambers

#133
20080314046
2008-12-25

Procedure for controlling the useful life of the gas turbines of a plant

#134
20080275597
2008-11-06

Balancing the power of two turboshaft engines of an aircraft

#135
20080245050
2008-10-09

Apparatus for operating gas turbine engines

#136
20080229757
2008-09-25

Methods and systems for output variance and facilitation of maintenance of multiple gas turbine plants

#137
20080179947
2008-07-31

Method and system for facilitating no-break power transfer

#138
20080125930
2008-05-29

Automatic engine fuel flow monitoring and alerting fuel leak detection method

#139
20080071427
2008-03-20

Method and system for detection and transfer to electrical island operation

#140
20070260391
2007-11-08

Method and a device for performing a check on the state of health of a turbine engine of a twin-engined rotorcraft

#141
20060059920
2006-03-23

Method of balancing the supply of bleed air from a plurality of engines

#142
20060041368
2006-02-23

Systems, Methods and Computer Program Products for Remote Monitoring of Turbine Combustion Dynamics

#143
20050028513
2005-02-10

Process and device for supplying the turbojets of an aircraft during automatic flight

#144
20050022537
2005-02-03

Modular fuel conditioning system

#145
18217228
2024-10-08

Pre-heating aircraft engine in standby mode

#146
17662202
2023-05-02

Boost spool flow control and generator load matching via load compressor