ClassID:

145620

F05D2270/023 - CPC Classification

Classification description:

Control; Purpose of the control system to control rotational speed (n) of different spools or shafts

Recent Application in this class:
#1
20240318604
2024-09-26

METHOD FOR REGULATING A TURBOMACHINE

#2
20230175444
2023-06-08

System and method of operating multi-engine system

#3
20230138476
2023-05-04

HYBRID ELECTRIC SINGLE ENGINE DESCENT RESTART

#4
20220349349
2022-11-03

SINGLE DRIVE, DUAL CLUTCH DRIVE SYSTEM FOR AN AIRCRAFT ACCESSORY

#5
20220260021
2022-08-18

Epicyclic reduction gear for a turbomachine

#6
20220260019
2022-08-18

Device for driving a generator of an aircraft turbomachine and method for regulating the speed of such a generator

#7
20220243663
2022-08-04

Turbomachine comprising an electric machine having a starter-generator function, and method for controlling the speed of such an electric machine

#8
20220063819
2022-03-03

PROPULSION SYSTEM FOR AN AIRCRAFT

#9
20220042460
2022-02-10

Aircraft turbomachine with reducer

#10
20210324756
2021-10-21

Model-based rotor speed keep out zone control

#11
20210301679
2021-09-30

In-flight monitoring of aero engine health

#12
20210249978
2021-08-12

Turbomachine with an electric machine assembly and method for operation

#13
20210239053
2021-08-05

Corrected parameters control logic for variable geometry mechanisms

#14
20210102503
2021-04-08

Method and control system for controlling compressor output of a gas turbine engine

#15
20210095579
2021-04-01

Plant control apparatus, plant control method and power generation plant

#16
20210047970
2021-02-18

Rotor dynamics accommodation using electrical power assist

#17
20210025339
2021-01-28

Hybrid gas turbine engine starting control

#18
20200408148
2020-12-31

System and method for operating a multi-engine rotorcraft

#19
20200392906
2020-12-17

Deceleration of a gas turbine

#20
20200385133
2020-12-10

ENGINE AND THRUST CONTROL OF AIRCRAFT IN NO DWELL ZONE

#21
20200347745
2020-11-05

Model-based rotor speed keep out zone control

#22
20200291870
2020-09-17

Systems and methods for control of engine variable geometry mechanism

#23
20200248581
2020-08-06

Gas turbine engine shaft break mitigation

#24
20200244199
2020-07-30

Turbomachine with an electric machine assembly and method for operation

#25
20200240671
2020-07-30

FAN ARRAY FAN SECTION IN AIR-HANDLING SYSTEMS

#26
20200182160
2020-06-11

Device for automatically regulating aircraft power plant gas generator and free turbine speeds as a function of heating, electricity generation, noise emission, and fuel consumption

#27
20200141314
2020-05-07

GAS TURBINE ENGINE

#28
20200056549
2020-02-20

Modified aircraft idle for reduced thermal cycling

#29
20190316526
2019-10-17

High and low spool accessory gearbox drive

#30
20190165708
2019-05-30

Turbomachine with an electric machine assembly and method for operation

#31
20190113085
2019-04-18

TURBOMACHINE TRAIN AND METHOD FOR COUPLING THE TURBOMACHINE TRAIN

#32
20190063331
2019-02-28

Corrected parameters control logic for variable geometry mechanisms

#33
20190010865
2019-01-10

Method for coupling two sub-shafts

#34
20180328287
2018-11-15

Method of control of three spool gas turbine engine

#35
20180320523
2018-11-08

Turbine rotor assembly having a retaining collar for a bayonet mount

#36
20180291817
2018-10-11

High and low spool accessory gearbox drive

#37
20170342854
2017-11-30

Twin spool industrial gas turbine engine with variable inlet guide vanes

#38
20170306969
2017-10-26

Fan array fan section in air-handling systems

#39
20170122221
2017-05-04

Turboshaft engine, twin-engine helicopter equipped with such a turboshaft engine, and method for optimising the zero-power super-idle speed of such a twin-engine helicopter

#40
20170122125
2017-05-04

Method for managing a gas turbine assembly at low speed and corresponding gas turbine assembly

#41
20170036774
2017-02-09

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

#42
20170009662
2017-01-12

Device for automatically regulating aircraft power plant gas generator and free turbine speeds as a function of heating, electricity generation, noise emission, and fuel consumption

#43
20160376017
2016-12-29

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

#44
20160251977
2016-09-01

System for braking a low pressure spool in a gas turbine engine

#45
20160130983
2016-05-12

Method for coupling a steam turbine and a gas turbine at a desired differential angle

#46
20150330301
2015-11-19

Gas turbine engine with variable speed turbines

#47
20150251770
2015-09-10

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

#48
20150135722
2015-05-21

System and method of controlling a two-shaft gas turbine

#49
20150059347
2015-03-05

Method for controlling coupling of shafts between a first machine and a second machine using rotation speeds and angles

#50
20140322017
2014-10-30

ROTARY MECHANICAL SYSTEM WITH CONTACTLESS ACTUATION

#51
20130247577
2013-09-26

Control method for an overspeed safety system, and an associated system and aircraft

#52
20130192242
2013-08-01

SPEED SENSOR PROBE LOCATION IN GAS TURBINE ENGINE

#53
20120315838
2012-12-13

Fan array fan section in air-handling systems

#54
20120275934
2012-11-01

Fan array fan section in air-handling systems

#55
20110212679
2011-09-01

Fan array fan section in air-handling systems

#56
20110185698
2011-08-04

Free gas turbine with constant temperature-corrected gas generator speed

#57
20110116908
2011-05-19

GAS TURBINE ENGINE WITH AN ARRANGEMENT FOR MEASURING THE SHAFT ROTATION SPEED

#58
20100281875
2010-11-11

Dynamic control of a gas turbine engine compressor during rapid transients

#59
20100000223
2010-01-07

Method of taking off auxiliary power from an airplane turbojet, and a turbojet fitted to implement such a method

#60
20080279677
2008-11-13

Fan array fan section in air-handling systems

#61
20080187433
2008-08-07

Fan array fan section in air-handling systems

#62
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

#63
20070245708
2007-10-25

High cycle fatigue management for gas turbine engines

#64
20070137216
2007-06-21

Gas turbine engine assembly and method of assembling same

#65
20070137214
2007-06-21

Engine arrangements and control

#66
20070104568
2007-05-10

Fan array fan section in air-handling systems

#67
20070060442
2007-03-15

Rotation coupling employing torque converter and synchronization motor

#68
20070028616
2007-02-08

Method and system for operative reconversion of pairs of pre-existing steam turbo-units

#69
20060225431
2006-10-12

Electrically coupled supercharger for a gas turbine engine

#70
20050232753
2005-10-20

Fan array fan section in air-handling systems

#71
17662193
2023-07-04

Transmission and method for control of boost spool