ClassID:

145653

F05D2270/114 - CPC Classification

Classification description:

Control; Purpose of the control system to prolong engine life by limiting mechanical stresses

Recent Application in this class:
#1
20250207505
2025-06-26

COMPLIANT SHROUD DESIGNS WITH VARIABLE STIFFNESS

#2
20250092833
2025-03-20

TRANSFER OF POWER BETWEEN THE HIGH-PRESSURE SHAFT AND THE LOW-PRESSURE SHAFT OF A TURBOMACHINE

#3
20240344466
2024-10-17

CORE TURNING SYSTEM

#4
20230417149
2023-12-28

Compliant shroud designs with variable stiffness

#5
20230264828
2023-08-24

System and method for air filtration with self-cleaning filter medium for an aircraft engine

#6
20230184166
2023-06-15

Methods and systems for operating an aircraft engine

#7
20230030319
2023-02-02

GAS TURBINE ENGINE STARTER SYSTEMS AND ASSOCIATED METHODS

#8
20220397038
2022-12-15

Compliant shroud designs with variable stiffness

#9
20220154595
2022-05-19

Digital shaft positioning for a turbine rotor

#10
20220154594
2022-05-19

Method and system for mitigating rotor bow in a turbo machine

#11
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

#12
20210403172
2021-12-30

System and method for air filtration with self-cleaning filter medium for an aircraft engine

#13
20210301737
2021-09-30

Gas turbine engine operating schedules for optimizing ceramic matrix composite component life

#14
20210254490
2021-08-19

GAS TURBINE ENGINE AND OPERATION METHOD

#15
20200291860
2020-09-17

Bowed rotor start mitigation in a gas turbine engine using aircraft-derived parameters

#16
20200291784
2020-09-17

Independently controllable wheel for a turbine section of a gas turbine engine

#17
20200269989
2020-08-27

Methods and systems for controlling operation of aircraft engines

#18
20200217251
2020-07-09

AIRFLOW CONTROL FOR AIR TURBINE STARTER

#19
20200165976
2020-05-28

Apparatus, assemblies, and methods for mitigating thermal bow in the rotor of an engine at start-up

#20
20200149431
2020-05-14

Cost effective manufacturing method for GSAC incorporating a stamped preform

#21
20200010211
2020-01-09

Method and device for detecting conditions conducive to the onset of pumping with a view to protecting a compressor of an aircraft turbine engine

#22
20190264570
2019-08-29

Turbomachine rotor and method for producing same

#23
20190226405
2019-07-25

Airflow control for air turbine starter

#24
20190219021
2019-07-18

GAS TURBINE ENGINE MOTORING SYSTEM FOR BOWED ROTOR ENGINE STARTS

#25
20190186368
2019-06-20

Method of starting a gas turbine engine

#26
20190178108
2019-06-13

Turbine engine for reducing rotor bow and method thereof

#27
20190154495
2019-05-23

Method of monitoring rubbing between a rotary party and a stationary part in a rotating turbomachine, monitoring arrangement and turbomachine

#28
20190063448
2019-02-28

Fan stress tracking for turbofan gas turbine engines

#29
20190031358
2019-01-31

Aircraft power setting trims for life extension

#30
20190010876
2019-01-10

Integrated fuel and bleed system control architecture

#31
20180347474
2018-12-06

Transient control to extend part life in gas turbine engine

#32
20180334963
2018-11-22

SYSTEMS AND METHODS FOR BOWED ROTOR START MITIGATION

#33
20180283219
2018-10-04

Piezo-electric motor for bowed rotor mitigation

#34
20180274390
2018-09-27

Bowed rotor prevention system

#35
20180274385
2018-09-27

Gas turbine blade flutter monitoring and control system

#36
20180252116
2018-09-06

SYSTEM AND METHOD FOR IMPROVED TURBOMACHINERY OIL LUBRICATION SYSTEM

#37
20180222596
2018-08-09

Methods and systems for controlling operation of aircraft engines

#38
20180195416
2018-07-12

Turbine engine exhaust casing with improved lifetime

#39
20180149090
2018-05-31

Metered orifice for motoring of a gas turbine engine

#40
20180017075
2018-01-18

Airfoil with stress-reducing fillet adapted for use in a gas turbine engine

#41
20180016918
2018-01-18

Shrouded blade of a gas turbine engine

#42
20170363012
2017-12-21

Low-power bowed rotor prevention and monitoring system

#43
20170342908
2017-11-30

Turbine engine and method of operating

#44
20170335772
2017-11-23

System and method of gas turbine engine shaft cooling

#45
20170292399
2017-10-12

Active clearance control for a turbine and case

#46
20170276092
2017-09-28

Control device of a variable section nozzle and the implementation method thereof

#47
20170267365
2017-09-21

System and method for protecting the structural integrity of an engine strut

#48
20170234238
2017-08-17

Gas turbine engine bowed rotor avoidance system

#49
20170234236
2017-08-17

Bowed rotor start using a variable position starter valve

#50
20170234233
2017-08-17

Bowed rotor start mitigation in a gas turbine engine using aircraft-derived parameters

#51
20170234232
2017-08-17

Auxiliary drive bowed rotor prevention system for a gas turbine engine

#52
20170234167
2017-08-17

Auxiliary drive bowed rotor prevention system for a gas turbine engine through an engine accessory

#53
20170234166
2017-08-17

Bowed rotor prevention system using waste heat

#54
20170234158
2017-08-17

Bowed rotor start response damping system

#55
20170058717
2017-03-02

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

#56
20170044929
2017-02-16

Method of monitoring rubbing between a rotary party and a stationary part in a rotating turbomachine, monitoring arrangement and turbomachine

#57
20160326984
2016-11-10

Thrust reversal for turbofan gas turbine engine

#58
20160123234
2016-05-05

High pressure compressor rotor thermal conditioning using discharge pressure air

#59
20160108755
2016-04-21

Gas turbine engine component

#60
20160097291
2016-04-07

Stator assembly for a gas turbine engine

#61
20160032774
2016-02-04

Cost effective manufacturing method for GSAC incorporating a stamped preform

#62
20160032733
2016-02-04

Outer shroud with gusset

#63
20150377485
2015-12-31

Combustion instability control method

#64
20150247417
2015-09-03

Rotor tip clearance

#65
20150152790
2015-06-04

Method and device for adjusting a threshold value of a fuel flow rate

#66
20140373553
2014-12-25

Method and system for starting up an aircraft turbomachine

#67
20140373552
2014-12-25

Method and system for starting up an aircraft turbomachine by real-time regulation of air flow

#68
20140003905
2014-01-02

Turbomachine monitoring system and method

#69
20130330198
2013-12-12

Turbine Rotor and Blade Assembly with Blind Holes

#70
20130321824
2013-12-05

Optical detection of airfoil axial position with NSMS

#71
20130152602
2013-06-20

Turbine component cooling with closed looped control of coolant flow

#72
20130108434
2013-05-02

Method for mounting a stator blading of a turbomachine, an engine casing and a turbomachine comprising at least one stator blading mounted on this engine casing

#73
20130054108
2013-02-28

System and method for predicting turbine rub

#74
20120251331
2012-10-04

Turbine blade platform undercut

#75
20120201669
2012-08-09

Rotating component of a turbine engine

#76
20120186269
2012-07-26

SUPPORT BETWEEN TRANSITION PIECE AND IMPINGEMENT SLEEVE IN COMBUSTOR

#77
20120057986
2012-03-08

PRODUCTION METHOD OF IMPELLER APPLIED TO SUPERCHARGER

#78
20120051938
2012-03-01

Shell for aircraft turbo-engine stator with mechanical blade load transfer slits

#79
20120034081
2012-02-09

Compressor blade root heating system

#80
20110276247
2011-11-10

Method and a system for monitoring vibratory phenomena that occur in an aviation gas turbine engine in operation

#81
20110232294
2011-09-29

Methods and systems for mitigating distortion of gas turbine shaft

#82
20110229314
2011-09-22

High-pressure turbine for turbomachine, associated guide vane sector and aircraft engine

#83
20110070089
2011-03-24

Guide vane for a gas turbine

#84
20110048023
2011-03-03

Fuel nozzle swirler assembly

#85
20110000217
2011-01-06

Managing spool bearing load using variable area flow nozzle

#86
20100296918
2010-11-25

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

#87
20100288052
2010-11-18

METHOD AND DEVICE FOR IMPLEMENTING SIMULATED TEST OF CENTRIFUGAL STRESS IN TURBINE BLADE

#88
20100239422
2010-09-23

Components for gas turbine engines

#89
20100199680
2010-08-12

Gas turbine control method and device

#90
20100025158
2010-02-04

Gas turbine engine systems and methods involving oil flow management

#91
20100003121
2010-01-07

Variable area fan nozzle for accommodating a foreign object strike event

#92
20090180891
2009-07-16

Turbomachinery disc

#93
20090074572
2009-03-19

COOLED GAS TURBINE GUIDE BLADE FOR A GAS TURBINE, USE OF A GAS TURBINE GUIDE BLADE AND METHOD FOR OPERATING A GAS TURBINE

#94
20080317588
2008-12-25

Managing spool bearing load using variable area flow nozzle

#95
20080279675
2008-11-13

Operation of an aircraft engine after emergency shutdown

#96
20080276620
2008-11-13

Method of operating a gas turbine engine

#97
20080019837
2008-01-24

Method for increasing the fatigue life of a blade root of a turbomachine blade

#98
20080003095
2008-01-03

Systems and methods for detecting undesirable operation of a turbine

#99
20070245708
2007-10-25

High cycle fatigue management for gas turbine engines

#100
20070180812
2007-08-09

Approach to extending life of gas turbine engine

#101
20070116563
2007-05-24

Cooled gas turbine guide blade for a gas turbine, use of a gas turbine guide blade and method for operating a gas turbine

#102
20060251507
2006-11-09

System and method for utilization of transmitted digital flight data acquisition information to accomplish vibration balance solutions

#103
20060026963
2006-02-09

Approach to extending life of gas turbine engine

#104
20050283909
2005-12-29

System and method for turbine engine anomaly detection

#105
20050187676
2005-08-25

Approach to extending life of gas turbine engine

#106
20050086942
2005-04-28

Approach to extending life of gas turbine engine

#107
20050040284
2005-02-24

Thrust reverser system actuator having an integral torque limiter

#108
18299423
2024-06-25

Core turning system

#109
15042331
2017-05-30

Bowed rotor prevention system