ClassID:

145658

F05D2270/13 - CPC Classification

Classification description:

Control; Purpose of the control system to control two or more engines simultaneously

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

GAS TURBINE ACCELERATION LIMIT BIASING FOR PREMATURE ASYMMETRIC OPERATING REGIME EXITS

#2
20260043362
2026-02-12

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

#3
20260043361
2026-02-12

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

#4
20250035046
2025-01-30

MULTI-MODAL GAS-TURBINE STARTER AVAILABILITY

#5
20240418131
2024-12-19

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

#6
20240384688
2024-11-21

SYSTEMS AND METHODS FOR DETERMINING AND/OR CONTROLLING MOTOR THRUST AND ENGINE THRUST IN A PARALLEL HYBRID AIRCRAFT

#7
20230211876
2023-07-06

Reduced-engine operation technique for rotorcraft

#8
20230203994
2023-06-29

System and method for operating a multi-engine aircraft

#9
20230137815
2023-05-04

Hybrid electric single engine descent mode activation logic

#10
20230113130
2023-04-13

Method and system for governing an engine at low power

#11
20230099744
2023-03-30

Systems and methods for determining and/or controlling motor thrust and engine thrust in a parallel hybrid aircraft

#12
20230080365
2023-03-16

System and method for operating a multi-engine aircraft

#13
20230013754
2023-01-19

Power management methods for multi engine rotorcraft

#14
20220403786
2022-12-22

Restarting a plurality of engines of an aircraft

#15
20220235716
2022-07-28

Method of controlling aircraft vapour trails and propulsion system providing for control of aircraft vapour trails

#16
20220213838
2022-07-07

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

#17
20220106915
2022-04-07

METHOD AND SYSTEM FOR OPERATING A GAS TURBINE ENGINE TO AVOID RESTRICTED ENGINE SPEEDS

#18
20220106913
2022-04-07

Method and system for governing an engine at low power

#19
20220065174
2022-03-03

Systems and methods for determining and/or controlling motor thrust and engine thrust in a parallel hybrid aircraft

#20
20220063819
2022-03-03

PROPULSION SYSTEM FOR AN AIRCRAFT

#21
20220024568
2022-01-27

Architecture for a propulsion system of a helicopter including a hybrid turboshaft engine and a system for reactivating said hybrid turboshaft engine

#22
20220009646
2022-01-13

Motoring synchronization for multiple engines

#23
20210371132
2021-12-02

VEHICLE PROPULSION CONTROL SYSTEMS, VEHICLES INCLUDING THE SAME, AND ASSOCIATED METHODS OF REGULATING THE OPERATION OF A PLURALITY OF ENGINES OF A VEHICLE

#24
20210317782
2021-10-14

MODELING AND CONTROL OF GAS CYCLE POWER PLANT OPERATION BY VARYING SPLIT LOAD FOR MULTIPLE GAS TURBINES

#25
20210301735
2021-09-30

Regulated flow divider valves with secondary equalization valves

#26
20210254558
2021-08-19

Method for monitoring engine health of aircraft

#27
20210246827
2021-08-12

Asymmetric propulsion system with heat recovery

#28
20210179294
2021-06-17

System and method for testing engine performance in-flight

#29
20210131355
2021-05-06

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

#30
20210108571
2021-04-15

Aircraft bleed air systems and methods

#31
20210061451
2021-03-04

Power management systems for multi engine rotorcraft

#32
20200391873
2020-12-17

System and method for operating a multi-engine rotorcraft for ice accretion shedding

#33
20200385133
2020-12-10

ENGINE AND THRUST CONTROL OF AIRCRAFT IN NO DWELL ZONE

#34
20200361621
2020-11-19

Precision operator for an aircraft autothrottle or autopilot system with engine performance adjust

#35
20200347743
2020-11-05

Parallel hybrid propulsion system

#36
20200309038
2020-10-01

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

#37
20200256265
2020-08-13

System and method for exiting an asymmetric engine operating regime

#38
20200207482
2020-07-02

Pre-start motoring synchronization for multiple engines

#39
20200095939
2020-03-26

Gas turbine engine system cooldown

#40
20200025094
2020-01-23

Method for allocating power in an electrical power system architecture

#41
20190368417
2019-12-05

Turbofan with bleed supercharged auxiliary engine

#42
20190264619
2019-08-29

Gas turbine engine fuel additive control system

#43
20190113085
2019-04-18

TURBOMACHINE TRAIN AND METHOD FOR COUPLING THE TURBOMACHINE TRAIN

#44
20190047715
2019-02-14

Precision operator for an aircraft autothrottle or autopilot system with engine performance adjust

#45
20180298779
2018-10-18

Combined cycle plant and method for controlling operation of combine cycle plant

#46
20180273196
2018-09-27

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

#47
20180112599
2018-04-26

Method for allocating power in an electrical power system architecture

#48
20180023484
2018-01-25

Speed control during motoring of a gas turbine engine

#49
20180022464
2018-01-25

Cross engine coordination during gas turbine engine motoring

#50
20180022463
2018-01-25

Pre-start motoring synchronization for multiple engines

#51
20170305541
2017-10-26

Architecture for a propulsion system of a helicopter including a hybrid turboshaft engine and a system for reactivating said hybrid turboshaft engine

#52
20170211468
2017-07-27

Operation scheduling for optimal performance of hybrid power plants

#53
20170175651
2017-06-22

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

#54
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

#55
20170175648
2017-06-22

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

#56
20170167380
2017-06-15

System for generating steam and for providing cooled combustion gas to a secondary gas turbine

#57
20170167374
2017-06-15

System for generating steam and for providing cooled combustion gas to a secondary gas turbine combustor

#58
20170036774
2017-02-09

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

#59
20160376017
2016-12-29

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

#60
20160352273
2016-12-01

Turbogenerator system

#61
20160311548
2016-10-27

Method for automatically controlling the operating speed of a helicopter turboshaft engine, corresponding control device and helicopter provided with such a device

#62
20160159461
2016-06-09

Method and system for model based control for variable pitch fan engines and turbo-shaft, turbo-propeller engines

#63
20160069268
2016-03-10

Engine-induced aircraft cabin resonance reduction system and method

#64
20150284103
2015-10-08

Aircraft vapour trail control system

#65
20150184553
2015-07-02

CONTROLLING APPARATUS AND STARTING METHOD

#66
20150184552
2015-07-02

CONTROLLING APPARATUS AND STARTING METHOD

#67
20150167500
2015-06-18

METALLURGICAL PLANT

#68
20150081193
2015-03-19

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

#69
20140283527
2014-09-25

Multi-engine performance margin synchronization adaptive control system and method

#70
20140250861
2014-09-11

Aircraft power plant

#71
20140248121
2014-09-04

Aircraft power system

#72
20130074588
2013-03-28

Power plant analyzer for analyzing a plurality of power plants

#73
20130017098
2013-01-17

Method for optimizing the energy of pumps

#74
20110277446
2011-11-17

Rockets, methods of rocket control and methods of rocket evaluation utilizing pressure compensation

#75
20110232258
2011-09-29

Method and system for testing an overspeed protection system of a powerplant

#76
20090106978
2009-04-30

Methods for operating gas turbine engines

#77
20090005951
2009-01-01

Systems and methods for using a combustion dynamics tuning algorithm with a multi-can combustor

#78
20080314046
2008-12-25

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

#79
20080245050
2008-10-09

Apparatus for operating gas turbine engines

#80
20080229757
2008-09-25

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

#81
20050028513
2005-02-10

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

#82
18171942
2024-03-19

Hybrid-electric gas turbine engine and method of operating