ClassID:

136943

F01D21/04 - CPC Classification

Classification description:

Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor , e.g. indicating such position

Sub-classes:
Recent Application in this class:
#1
20260139608
2026-05-21

FEATURE FOR SAFELY INDICATING ROTOR TO STATOR CLASHING

#2
20260126048
2026-05-07

GAS TURBINE ENGINE HAVING A SENSOR ASSEMBLY FOR MONITORING PROPELLER WHIRL

#3
20250347231
2025-11-13

GEARED TURBOFAN WITH OVERSPEED PROTECTION

#4
20250236410
2025-07-24

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

#5
20250060281
2025-02-20

METHOD AND SYSTEM FOR DETECTING A SHAFT SHEAR EVENT

#6
20240369023
2024-11-07

TURBINE OVERSPEED PROTECTION

#7
20240368999
2024-11-07

TURBINE OVERSPEED PROTECTION

#8
20240344466
2024-10-17

CORE TURNING SYSTEM

#9
20240125247
2024-04-18

SYSTEM AND METHOD FOR DETERMINING PROBABILISTIC BURST

#10
20230251165
2023-08-10

Method and system for detecting a shaft shear event

#11
20230010174
2023-01-12

TURBINE ENGINE SHAFT SHEAR DETECTION

#12
20220341345
2022-10-27

Turbine containment system

#13
20220275763
2022-09-01

Gas turbine engine

#14
20220243610
2022-08-04

System and method for detecting failure of a propeller control unit

#15
20220128060
2022-04-28

GEARED TURBOFAN WITH OVERSPEED PROTECTION

#16
20210355829
2021-11-18

Safety apparatus

#17
20210340879
2021-11-04

System and method for detecting a shaft event on an engine

#18
20210317750
2021-10-14

Detecting damage to a gas turbine engine

#19
20210108535
2021-04-15

Electrical resistance wear indicator

#20
20210025287
2021-01-28

Shaft shear detection in a gas turbine engine

#21
20210003032
2021-01-07

FAN TRACK LINER

#22
20200217324
2020-07-09

Geared turbofan with overspeed protection

#23
20200173297
2020-06-04

Rotor overspeed protection assembly

#24
20200131918
2020-04-30

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

#25
20200096331
2020-03-26

Anti-rotation method for angled face cap probe

#26
20190383216
2019-12-19

Aircraft engine intake arrangement comprising a mechanical decoupler

#27
20190376412
2019-12-12

Method and a system for detecting the angular position of blades of a turbine engine rotor wheel

#28
20190316484
2019-10-17

Anti-windmilling system for a gas turbine engine

#29
20190301300
2019-10-03

SYSTEMS AND METHODS FOR ENGINE VIBRATION MONITORING

#30
20190154543
2019-05-23

Shaft shear detection through shaft oscillation

#31
20190154495
2019-05-23

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

#32
20190101016
2019-04-04

Active centering control for static annular turbine flowpath structures

#33
20190093504
2019-03-28

Axial retention of a fan shaft in a gas turbine engine

#34
20190085790
2019-03-21

Gas turbine engine with minimal tolerance between the fan and the fan casing

#35
20190040759
2019-02-07

Electrical resistance wear indicator

#36
20180363665
2018-12-20

Geared turbofan with overspeed protection

#37
20180340548
2018-11-29

Following blade impact load support

#38
20180274385
2018-09-27

Gas turbine blade flutter monitoring and control system

#39
20180258769
2018-09-13

STUB SHAFT

#40
20180200806
2018-07-19

Portable jig and fixture for precision machining

#41
20180187605
2018-07-05

SYSTEMS AND METHODS INVOLVING MULTIPLE TORQUE PATHS FOR GAS TURBINE ENGINES

#42
20180080387
2018-03-22

Gas turbine engine with a geared turbofan arrangement

#43
20180066675
2018-03-08

Fan containment case for a gas turbine engine

#44
20180010980
2018-01-11

Shaft shear detection through shaft oscillation

#45
20180003073
2018-01-04

Rotor blade damage

#46
20170370376
2017-12-28

Composite airfoil with fuse architecture

#47
20170314411
2017-11-02

Anti-windmilling system for a gas turbine engine

#48
20170205312
2017-07-20

Shaft shear detection through shaft oscillation

#49
20170159464
2017-06-08

Run-up surface for the guide-vane shroud plate and the rotor-blade base plate

#50
20170067360
2017-03-09

Steam turbine stage measurement system and a method

#51
20170044929
2017-02-16

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

#52
20170039402
2017-02-09

Calibration circuit and method of use

#53
20170022907
2017-01-26

Shaft failure detection using passive control methods

#54
20170002740
2017-01-05

Gas turbine cool-down phase operation methods for controlling turbine clearance by adjusting air flow rate

#55
20160363001
2016-12-15

Emergency shut-down detection system for a gas turbine

#56
20160363000
2016-12-15

SYSTEM FOR DETECTING ABNORMAL MOVEMENT OF A SHAFT IN A GAS TURBINE ENGINE

#57
20160341070
2016-11-24

GAS TURBINE ENGINE HAVING ENERGY DISSIPATING GAP AND CONTAINMENT LAYER

#58
20160273380
2016-09-22

PROTECTIVE DEVICE FOR A TURBOMACHINE

#59
20160265382
2016-09-15

Turbocharger turbine containment structure

#60
20160201503
2016-07-14

Frangible airfoil

#61
20160194977
2016-07-07

Turbine engine shaft break detection

#62
20160169733
2016-06-16

Acoustic measurement system for detecting turbine blade lockup

#63
20160160678
2016-06-09

Ground handling system for a composite fan case and a method of using the same

#64
20160138421
2016-05-19

Nonlinear rolling bearing radial support stiffness

#65
20160123238
2016-05-05

System and method for turbomachinery vane prognostics and diagnostics

#66
20160097298
2016-04-07

Turbine engine comprising a device for braking the fan rotor

#67
20160090918
2016-03-31

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

#68
20160017745
2016-01-21

Case with vane retention feature

#69
20150323301
2015-11-12

High sensitivity inductive sensor for measuring blade tip clearance

#70
20150322792
2015-11-12

Stub shaft

#71
20150139779
2015-05-21

Pivoting fan track liner for blade retainment

#72
20150097582
2015-04-09

Sensor for measuring blade tip clearance in gas turbines

#73
20150078887
2015-03-19

Disc axis adjusting mechanism in gas turbine

#74
20150068293
2015-03-12

Method and device for monitoring the malfunction of APU turbine vane fracture and rotor shaft jam

#75
20150063986
2015-03-05

Apparatus for energy absorption, a turbo-machine and a method for energy absorption

#76
20140369833
2014-12-18

Methods and systems for blade health monitoring

#77
20140252183
2014-09-11

Sensor hoop storage and transport apparatus

#78
20140241852
2014-08-28

Methods and apparatus for measuring axial shaft displacement within gas turbine engines

#79
20140236450
2014-08-21

Determining the deterioration of a gas turbine engine in use

#80
20140230555
2014-08-21

Method of detecting and localizing partial rotor-stator rubbing during the operation of a turbine

#81
20140199155
2014-07-17

Methods and system for detecting turbocharger degradation

#82
20140161624
2014-06-12

Method for producing a run-in coating, a run-in system, a turbomachine, as well as a guide vane

#83
20140064925
2014-03-06

Tip clearance probe including anti-rotation feature

#84
20130330173
2013-12-12

Method for determining the diameter of a rotor, which is equipped with rotor blades, of a turbomachine

#85
20130318018
2013-11-28

NEURAL NETWORK-BASED TURBINE MONITORING SYSTEM

#86
20130312249
2013-11-28

Method for adjusting the radial gaps which exist between blade airfoil tips or rotor blades and a passage wall

#87
20130266428
2013-10-10

Axial turbine with containment shroud

#88
20130202442
2013-08-08

Fan and boost joint

#89
20130197747
2013-08-01

System for detecting an impact on an aircraft engine impeller wheel

#90
20130186056
2013-07-25

Gas turbine engine comprising means for axially retaining a fan of the engine

#91
20130173213
2013-07-04

Method and apparatus for obtaining discrete axial clearance data using radial clearance sensors

#92
20130149139
2013-06-13

Dynamic load reduction system

#93
20130133333
2013-05-30

Shaft break detection

#94
20130115089
2013-05-09

Rotatable component with controlled load interface

#95
20130076373
2013-03-28

Target sensor

#96
20130004322
2013-01-03

Fan blade with sheath

#97
20120301276
2012-11-29

Wear pin gap closure detection system for gas turbine engine

#98
20120275921
2012-11-01

TURBINE ENGINE AND LOAD REDUCTION DEVICE THEREOF

#99
20120219358
2012-08-30

Joint assembly

#100
20120216548
2012-08-30

Systems and methods involving multiple torque paths for gas turbine engines

#101
20120210694
2012-08-23

TURBO MACHINE SPOOL PARAMETER DETECTION

#102
20120207583
2012-08-16

Case with ballistic liner

#103
20120162192
2012-06-28

System and method for rotary machine online monitoring

#104
20120148400
2012-06-14

System for detecting an ephemeral event on a vane impeller of an aircraft engine

#105
20120109569
2012-05-03

DIAGNOSIS OF BEARING THERMAL ANOMALIES IN AN ELECTRICAL MACHINE

#106
20120090329
2012-04-19

Systems and methods involving multiple torque paths for gas turbine engines

#107
20110295538
2011-12-01

Automated sensor specific calibration through sensor parameter download

#108
20110178772
2011-07-21

Method and system for monitoring a turbojet engine

#109
20110041474
2011-02-24

Method and system for detecting the ingestion of an object by an aircraft turbine engine during a mission

#110
20110000217
2011-01-06

Managing spool bearing load using variable area flow nozzle

#111
20100219942
2010-09-02

Methods, systems and/or apparatus relating to turbine blade monitoring

#112
20100188100
2010-07-29

Automated sensor specific calibration through sensor parameter download

#113
20090293447
2009-12-03

Method for the provision of fire protection for titanium components of an aircraft gas turbine and titanium components for an aircraft gas turbine

#114
20090232638
2009-09-17

System and method for monitoring radial motion of a rotating shaft of a turbocharger

#115
20090142194
2009-06-04

METHOD AND SYSTEMS FOR MEASURING BLADE DEFORMATION IN TURBINES

#116
20090139201
2009-06-04

Decoupler system for rotor assemblies

#117
20090110541
2009-04-30

Vibration management for gas turbine engines

#118
20090104036
2009-04-23

Turbine engine wheel

#119
20090092487
2009-04-09

Systems and methods involving multiple torque paths for gas turbine engines

#120
20080317588
2008-12-25

Managing spool bearing load using variable area flow nozzle

#121
20080289315
2008-11-27

System for dissipating energy in the event of a turbine shaft breaking in a gas turbine engine

#122
20080260536
2008-10-23

Blade assembly

#123
20080178603
2008-07-31

Method and device for reducing the speed in the event of breakage of a gas turbine engine turbine shaft

#124
20080178573
2008-07-31

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

#125
20070289312
2007-12-20

Low-cost frangible cable for gas turbine engine

#126
20070084183
2007-04-19

Gas turbine engine assembly and methods of assembling same

#127
20070043497
2007-02-22

Systems and methods for monitoring thermal growth and controlling clearances, and maintaining health of turbo machinery applications

#128
20060257253
2006-11-16

Shroud for an air turbine starter

#129
20060239813
2006-10-26

Displacement sensor system and method of operation

#130
20060179817
2006-08-17

Nacelle assembly for a gas turbine engine

#131
20060159547
2006-07-20

Warning system for turbine component contact

#132
20060140756
2006-06-29

Gas turbine engine blade tip clearance apparatus and method

#133
20060088414
2006-04-27

Device to measure the axial displacement of the tip of the blades of a turbomachine for tests on the ground, and a process for using the device

#134
20060073019
2006-04-06

Axial-flow thermal turbomachine

#135
20060062664
2006-03-23

Thermal turbomachine

#136
20060056960
2006-03-16

Apparatus and method of detecting wear in an abradable coating system

#137
20050271499
2005-12-08

Methods and systems for operating rotary machines

#138
20050269443
2005-12-08

Air intake structure for aircraft engine

#139
20050241290
2005-11-03

Turbofan engine with the fan fixed to a drive shaft supported by a first and a second bearing

#140
20050218261
2005-10-06

Air intake structure for aircraft engine

#141
20050198967
2005-09-15

Smart component for use in an operating environment

#142
20050129498
2005-06-16

Apparatus and method for detecting an impact on a rotor blade

#143
20050129343
2005-06-16

Arrangement of bearing supports for the rotating shaft of an aircraft engine and an aircraft engine fitted with such an arrangement

#144
20050106002
2005-05-19

Fan blade with embrittled tip

#145
20050079048
2005-04-14

Method of minimizing the gap between a rotating turbine blade and a casing of a turbine, a turbine, and a method of determining the wear behavior of a wheel of a rotor

#146
20050047913
2005-03-03

Electronic safety system for the avoidance of an overspeed condition in the event of a shaft failure

#147
18299423
2024-06-25

Core turning system