ClassID:

136896

F01D11/24 - CPC Classification

Classification description:

Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator; Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing; Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components

Recent Application in this class:
#1
20260132720
2026-05-14

METHODS AND APPARATUS TO CONTROL A SURFACE OF AN AIRCRAFT ENGINE

#2
20260103994
2026-04-16

CMC COMPONENT WITH COOLING CAVITY COVER PLATE

#3
20260073240
2026-03-12

Control Logic for Thrust Link Whiffle-Tree Hinge Positioning for Improved Clearances

#4
20250369367
2025-12-04

COOLING FEATURES FOR A COMPONENT OF A GAS TURBINE ENGINE

#5
20250334055
2025-10-30

GAS TURBINE ENGINE HAVING COOLING SYSTEMS

#6
20250290427
2025-09-18

VARIABLE FLOWPATH CASINGS FOR BLADE TIP CLEARANCE CONTROL

#7
20250277455
2025-09-04

RAPID ACTIVE CLEARANCE CONTROL SYSTEM OF INTER STAGE AND MID-SEALS

#8
20250243772
2025-07-31

LIFE AND PERFORMANCE IMPROVEMENT TRENCHES

#9
20250237150
2025-07-24

VARIABLE FLOWPATH CASINGS FOR BLADE TIP CLEARANCE CONTROL

#10
20250101876
2025-03-27

TURBINE ASSEMBLY WITH CASE-INTEGRATED COOLED CLEARANCE MEASUREMENT SYSTEM

#11
20240418098
2024-12-19

Rapid active clearance control system of inter stage and mid-seals

#12
20240352866
2024-10-24

ACTIVE CLEARANCE CONTROL ASSEMBLY

#13
20240352865
2024-10-24

BLADE TIP CLEARANCE CONTROL USING MATERIAL WITH NEGATIVE THERMAL EXPANSION COEFFICIENTS

#14
20240254890
2024-08-01

Ram air driven blade tip clearance control system for turboprop engines

#15
20240200465
2024-06-20

METHODS AND APPARATUS TO TARGET ENGINE OPERATING CYCLE CONDITIONS FOR CLEARANCE CONTROL

#16
20240159160
2024-05-16

Air seal system with backside abradable layer

#17
20240141800
2024-05-02

THERMOELECTRIC GENERATOR FOR A TURBINE ENGINE

#18
20240125243
2024-04-18

COOLING FEATURES FOR A COMPONENT OF A GAS TURBINE ENGINE

#19
20240068376
2024-02-29

Turbine ring assembly for a turbomachine

#20
20240067349
2024-02-29

METHODS AND APPARATUS FOR HEATING MOUNT LUGS

#21
20240052752
2024-02-15

Variable flowpath casings for blade tip clearance control

#22
20240044255
2024-02-08

ASYMMETRIC HEAT TRANSFER MEMBER FILLET TO DIRECT COOLING FLOW

#23
20240026800
2024-01-25

Monitoring device, computer-readable storage medium for storing monitoring program and monitoring method for rotary machine, and rotary machine equipment

#24
20240018912
2024-01-18

LOAD ADJUSTMENT METHOD, LOAD ADJUSTMENT DEVICE, AND PROGRAM

#25
20240018878
2024-01-18

Active clearance control of fan blade tip closure using a variable sleeve system

#26
20240011410
2024-01-11

VARIABLE FLOWPATH CASINGS FOR BLADE TIP CLEARANCE CONTROL

#27
20230407758
2023-12-21

Gas turbine engine with a fluid conduit system and a method of operating the same

#28
20230407757
2023-12-21

Air seal system with backside abradable layer

#29
20230399981
2023-12-14

Containment assembly for an aircraft engine

#30
20230296030
2023-09-21

Clearance control system for gas turbine

#31
20230279782
2023-09-07

Clearance control for engine performance retention

#32
20230265764
2023-08-24

System for controlling blade clearances within a gas turbine engine

#33
20230146084
2023-05-11

Gas turbine engine with clearance control system

#34
20230143283
2023-05-11

Gas turbine engine with a fluid conduit system and a method of operating the same

#35
20230142040
2023-05-11

Turbine assembly, and gas turbine engine provided with such an assembly

#36
20230136475
2023-05-04

Electric heating for turbomachinery clearance control powered by hybrid energy storage system

#37
20230120507
2023-04-20

Turbine having an internal secondary space equipped with fins for correcting gyration of an airflow

#38
20230116425
2023-04-13

Turbine shroud assembly

#39
20230044006
2023-02-09

Control method and unit for controlling the clearance of a high-pressure turbine to reduce the effect of EGT overshoot

#40
20230035302
2023-02-02

Clearance control assembly

#41
20230016105
2023-01-19

HEAT TRANSFER DEVICE, TURBOMACHINE CASING AND RELATED STORAGE MEDIUM

#42
20230014309
2023-01-19

Active clearance control system and method for an aircraft engine

#43
20220403789
2022-12-22

Throttle mechanism and turbine

#44
20220371738
2022-11-24

Control logic for thrust link whiffle-tree hinge positioning for improved clearances

#45
20220243605
2022-08-04

Cooling device for a turbomachine casing

#46
20220235674
2022-07-28

Steam turbine

#47
20220228504
2022-07-21

Device for cooling an outer casing of a turbomachine and turbomachine provided with such a device

#48
20220213809
2022-07-07

Heatshield for a gas turbine engine

#49
20220213802
2022-07-07

SYSTEM FOR CONTROLLING BLADE CLEARANCES WITHIN A GAS TURBINE ENGINE

#50
20220178267
2022-06-09

Turbine clearance control system

#51
20220018264
2022-01-20

Turbine casing cooling device for a turbomachine

#52
20220018262
2022-01-20

MECHANICALLY DRIVEN AIR VEHICLE THERMAL MANAGEMENT DEVICE

#53
20210404348
2021-12-30

TURBINE ENGINE SEALING AND METHOD

#54
20210381433
2021-12-09

System and method for modulating airflow into a bore of a rotor to control blade tip clearance

#55
20210348519
2021-11-11

Apparatus for controlling turbine blade tip clearance and gas turbine including the same

#56
20210301674
2021-09-30

Apparatus for controlling turbine blade tip clearance and gas turbine including the same

#57
20210293179
2021-09-23

Cooling device for a turbine of a turbomachine

#58
20210262362
2021-08-26

Axial flow turbine with upstream gland and extraction of cooling air

#59
20210254490
2021-08-19

GAS TURBINE ENGINE AND OPERATION METHOD

#60
20210222581
2021-07-22

Device for cooling a turbomachine housing

#61
20210189900
2021-06-24

Valve assembly for an active clearance control system

#62
20210172335
2021-06-10

Gas turbine engine flowpath component including vectored cooling flow holes

#63
20210172332
2021-06-10

Heat transfer coefficients in a compressor case for improved tip clearance control system

#64
20210164362
2021-06-03

Cooling device for a turbine of a turbomachine

#65
20210164361
2021-06-03

Cooling device for a turbine of a turbomachine

#66
20210148248
2021-05-20

Turbine shroud assembly with flange mounted ceramic matrix composite turbine shroud ring

#67
20210140343
2021-05-13

TURBINE TIP SHROUD ASSEMBLY WITH PLURAL SHROUD SEGMENTS HAVING INTERNAL COOLING PASSAGES

#68
20210131355
2021-05-06

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

#69
20210131303
2021-05-06

Negative thermal expansion compressor case for improved tip clearance

#70
20210095575
2021-04-01

Panel for tip clearance control

#71
20210079846
2021-03-18

Gas turbine and method for blade ring production method

#72
20210017913
2021-01-21

Method for controlling a clearance control valve during a step-climb in cruise phase

#73
20210017907
2021-01-21

Modulated turbine component cooling

#74
20210017877
2021-01-21

Containment case active clearance control structure

#75
20210003028
2021-01-07

Method and control unit for controlling the play of a high-pressure turbine

#76
20200400035
2020-12-24

Gas turbine induction system, corresponding induction heater and method for inductively heating a component

#77
20200362719
2020-11-19

Control of clearance between aircraft rotor blades and a casing

#78
20200355090
2020-11-12

Electric heating for turbomachinery clearance control powered by hybrid energy storage system

#79
20200347741
2020-11-05

Cooled cooling air for blade air seal through outer chamber

#80
20200332726
2020-10-22

Active multi-effector control of high pressure turbine clearances

#81
20200308977
2020-10-01

Device and method for cooling a low pressure turbine in a turbomachine

#82
20200300177
2020-09-24

Mission adaptive clearance control system and method of operation

#83
20200291807
2020-09-17

Method and device for measuring the flow rate of cooling air in a turbomachine casing

#84
20200284193
2020-09-10

Anti-icing system for a gas turbine

#85
20200240281
2020-07-30

Method and device for adjusting the clearance between a rotor and a concentric stator of an aircraft turbine engine

#86
20200208576
2020-07-02

Gas turbine engine and method to cool a gas turbine engine case assembly

#87
20200182058
2020-06-11

Device for holding a cooling tube for a turbomachine casing

#88
20200165933
2020-05-28

Tip clearance control system

#89
20200131923
2020-04-30

Turbine stator blade

#90
20200123923
2020-04-23

Compressor case clearance control logic

#91
20200102887
2020-04-02

Gas turbine engine and cooling air configuration for turbine section thereof

#92
20200102848
2020-04-02

Blade outer air seal fin cooling assembly and method

#93
20200095883
2020-03-26

Containment case active clearance control structure

#94
20200056496
2020-02-20

TURBINE-TIP CLEARANCE CONTROL SYSTEM OFFTAKE

#95
20200025015
2020-01-23

Turbine shroud segment with side perimeter seal

#96
20200003117
2020-01-02

Method of regulating air pressure in anti-icing system

#97
20190390568
2019-12-26

Turbine shroud block segment with near surface cooling channels

#98
20190383304
2019-12-19

Passive clearance control for a centrifugal impeller shroud

#99
20190383153
2019-12-19

BOAS thermal protection

#100
20190368377
2019-12-05

Shroud for gas turbine engine

#101
20190368369
2019-12-05

BLADE OUTER AIR SEAL WITH COOLED NON-SYMMETRIC CURVED TEETH

#102
20190368368
2019-12-05

Method for controlling a turbomachine valve

#103
20190368367
2019-12-05

Ceramic matrix composite blade track assembly with tip clearance control

#104
20190345837
2019-11-14

Hybrid electric aircraft propulsion system

#105
20190345836
2019-11-14

Electric heating for turbomachinery clearance control powered by hybrid energy storage system

#106
20190345835
2019-11-14

Electric heating for turbomachinery clearance control

#107
20190338663
2019-11-07

Dual response blade track system

#108
20190323514
2019-10-24

Impeller shroud with thermal actuator for clearance control in a centrifugal compressor

#109
20190292995
2019-09-26

Double bore basket

#110
20190242303
2019-08-08

Active tip clearance control system for gas turbine engine

#111
20190226357
2019-07-25

Cooling device for a turbine of a turbomachine

#112
20190170009
2019-06-06

TURBINE ENGINE WITH CLEARANCE CONTROL SYSTEM

#113
20190170008
2019-06-06

Gas turbine engine offtake

#114
20190145315
2019-05-16

Turbine engine air control valve

#115
20190136713
2019-05-09

Cooling arrangement for a turbine casing of a gas turbine engine

#116
20190136708
2019-05-09

ACTIVE CLEARANCE CONTROL COOLING AIR RAIL WITH FINGERS

#117
20190128286
2019-05-02

Impeller shroud with closed form refrigeration system for clearance control in a centrifugal compressor

#118
20190128135
2019-05-02

System and method of controlling tip clearance in a shroud assembly for a bladed disc

#119
20190101017
2019-04-04

Housing for a gas turbine compressor

#120
20190093559
2019-03-28

Device for cooling a turbine casing with air jets

#121
20190085710
2019-03-21

Method of clearance control for an interdigitated turbine engine

#122
20190078514
2019-03-14

Gas turbine engine active clearance control system using inlet particle separator

#123
20190078459
2019-03-14

ACTIVE CLEARANCE CONTROL SYSTEM FOR GAS TURBINE ENGINE WITH POWER TURBINE

#124
20190078458
2019-03-14

Active clearance control system and manifold for gas turbine engine

#125
20190048796
2019-02-14

TURBINE CLEARANCE CONTROL SYSTEM AND METHOD FOR IMPROVED VARIABLE CYCLE GAS TURBINE ENGINE FUEL BURN

#126
20190048739
2019-02-14

Variable area turbine arrangement with secondary flow modulation

#127
20190032574
2019-01-31

Gas turbine engine with diversion pathway and semi-dimensional mass flow control

#128
20190024527
2019-01-24

Gas turbine engine with rotor tip clearance control system

#129
20190017405
2019-01-17

Active clearance control for gas turbine engine

#130
20180371948
2018-12-27

Assembly for a spreader connection between a turbine casing and a turbine engine ring element

#131
20180363499
2018-12-20

Turbine tip shroud assembly with plural shroud segments having internal cooling passages

#132
20180355798
2018-12-13

Plenum for cooling turbine flowpath components and blades

#133
20180355762
2018-12-13

Resilient mounting assembly for a turbine engine

#134
20180355748
2018-12-13

Turbomachine including a cooling and turbine clearance control system having an air supply scoop

#135
20180355747
2018-12-13

Tip clearance control with variable speed blower

#136
20180355746
2018-12-13

Cooling and insulating manifold seal assembly for a propulsion system

#137
20180347467
2018-12-06

COOLING SYSTEM AND COOLING METHOD IN A GAS TURBINE

#138
20180347392
2018-12-06

Clearance control arrangement

#139
20180347391
2018-12-06

CLEARANCE CONTROL ARRANGEMENT

#140
20180340468
2018-11-29

Gas turbine and component-temperature adjustment method therefor

#141
20180340442
2018-11-29

Tip clearance control for turbine blades

#142
20180320542
2018-11-08

Tip clearance control for gas turbine engine

#143
20180320541
2018-11-08

Re-use and modulated cooling from tip clearance control system for gas turbine engine

#144
20180306057
2018-10-25

Turbine engine turbine assembly

#145
20180291754
2018-10-11

Flow diverter case attachment for gas turbine engine

#146
20180291747
2018-10-11

Vane cooling system

#147
20180283195
2018-10-04

Cooled cooling air for blade air seal through outer chamber

#148
20180258862
2018-09-13

High temperature disk conditioning system

#149
20180258793
2018-09-13

Device for ventilation of a turbomachine turbine casing

#150
20180258785
2018-09-13

Adaptive active clearance control logic

#151
20180245403
2018-08-30

Downhole turbine with an adjustable shroud

#152
20180230838
2018-08-16

Seal pressurization in box shroud

#153
20180223684
2018-08-09

Thrust rating dependent active tip clearance control system

#154
20180209304
2018-07-26

Compressor with segmented inner shroud for an axial turbine engine

#155
20180209301
2018-07-26

Turbomachine housing element

#156
20180209292
2018-07-26

ACTIVE GAP CONTROL FOR TURBINE ENGINE COMPRESSOR

#157
20180209291
2018-07-26

Aircraft turbine-engine module casing, comprising a heat pipe associated with a sealing ring surrounding a movable impeller of the module

#158
20180202361
2018-07-19

PRESSURE RESPONSIVE VALVE FOR A COOLING FLOW IN A GAS TURBINE

#159
20180202307
2018-07-19

Passive tip clearance control with variable temperature flow

#160
20180195404
2018-07-12

Controlling tip clearance in a turbine

#161
20180135460
2018-05-17

Turbine cooling system

#162
20180128120
2018-05-10

Connecting assembly for cooling the turbine of a turbine engine

#163
20180100409
2018-04-12

Stator heat shield segment for a gas turbine power plant

#164
20180087401
2018-03-29

Turbine ring assembly comprising a cooling air distribution element

#165
20180087400
2018-03-29

Turbine ring assembly comprising a cooling air distribution element

#166
20180087399
2018-03-29

Turbine ring assembly comprising a cooling air distribution element

#167
20180073440
2018-03-15

CONTROLLING TURBINE SHROUD CLEARANCE FOR OPERATION PROTECTION

#168
20180073435
2018-03-15

NOISE-MITIGATING TRANSFER DUCT FOR ACTIVE TIP CLEARANCE CONTROL SYSTEM OF GAS TURBINE ENGINE

#169
20180073382
2018-03-15

Turbine tip clearance control method and system

#170
20180073380
2018-03-15

Fluid flow assembly

#171
20180051583
2018-02-22

Active clearance control collector to manifold insert

#172
20180045117
2018-02-15

Modulated turbine component cooling

#173
20180045069
2018-02-15

Device of a turbomachine for actuating a setting device and turbomachine with such a device

#174
20180045068
2018-02-15

Mechanically driven air vehicle thermal management device

#175
20180038380
2018-02-08

Centrifugal compressor having a casing with an adjustable clearance and connections for a variable flow rate cooling medium, impeller clearance control apparatus for centrifugal compressor, and impeller clearance control method for centrifugal compressor

#176
20180030987
2018-02-01

Method and apparatus for active clearance control on gas turbine engines

#177
20180010519
2018-01-11

Nacelle anti ice system

#178
20180010475
2018-01-11

Blade track assembly with turbine tip clearance control

#179
20170370242
2017-12-28

Tip clearance control system

#180
20170363003
2017-12-21

Gas turbine engine and method to cool a gas turbine engine case assembly

#181
20170356299
2017-12-14

Impingement insert for a gas turbine engine

#182
20170350269
2017-12-07

Passive clearance control system for gas turbomachine

#183
20170342994
2017-11-30

Impeller shroud with thermal actuator for clearance control in a centrifugal compressor

#184
20170342852
2017-11-30

Turbine blade track assembly

#185
20170334188
2017-11-23

Hot gas path component and methods of manufacture

#186
20170328232
2017-11-16

Clearance-control-type seal structure

#187
20170328231
2017-11-16

TURBINE CLEARANCE CONTROL SYSTEM AND METHOD FOR IMPROVED VARIABLE CYCLE GAS TURBINE ENGINE FUEL BURN

#188
20170321569
2017-11-09

Turbomachine including clearance control system

#189
20170321568
2017-11-09

Impingement manifold

#190
20170314416
2017-11-02

Engine casing with internal coolant flow patterns

#191
20170314414
2017-11-02

Annular ring assembly for shroud cooling

#192
20170306785
2017-10-26

Gas turbine engine having high pressure compressor case active clearance control system

#193
20170306781
2017-10-26

Seal arc segment with sloped circumferential sides

#194
20170298755
2017-10-19

COMPRESSOR SYSTEM

#195
20170292399
2017-10-12

Active clearance control for a turbine and case

#196
20170292398
2017-10-12

Thermal lifting member for blade outer air seal support

#197
20170284307
2017-10-05

Gas turbine, combined cycle plant, and activation method of gas turbine

#198
20170268535
2017-09-21

Method and apparatus for active clearance control

#199
20170268362
2017-09-21

Blade outer air seal with flow guide manifold

#200
20170248028
2017-08-31

Active HPC clearance control

#201
20170211405
2017-07-27

Stator heat shield for a gas turbine, gas turbine with such a stator heat shield and method of cooling a stator heat shield

#202
20170204744
2017-07-20

Turbine shroud with mounted full hoop blade track

#203
20170204737
2017-07-20

Full hoop blade track with interstage cooling air

#204
20170204736
2017-07-20

Gas turbine engine with health monitoring system

#205
20170191425
2017-07-06

Auto thermal valve (ATV) for dual mode passive cooling flow modulation

#206
20170175769
2017-06-22

Method and apparatus for active clearance control for high pressure compressors using fan/booster exhaust air

#207
20170175751
2017-06-22

Active high pressure compressor clearance control

#208
20170175563
2017-06-22

Manifold for use in a clearance control system and method of manufacturing

#209
20170167382
2017-06-15

Thermal management system

#210
20170167273
2017-06-15

Gas turbine engine turbine cooling system

#211
20170146024
2017-05-25

Outer airseal for gas turbine engine

#212
20170138212
2017-05-18

Rotor tip clearance

#213
20170130602
2017-05-11

Method of operating a clearance control system

#214
20170122120
2017-05-04

Blade outer air seal with cooling features

#215
20170122113
2017-05-04

Ceramic matrix composite component and process of producing a ceramic matrix composite component

#216
20170114725
2017-04-27

System and method for calibrating a case cooling system for a gas turbine engine

#217
20170114667
2017-04-27

ACTIVE CLEARANCE CONTROL WITH INTEGRAL DOUBLE WALL HEAT SHIELDING

#218
20170107852
2017-04-20

Shroud assembly for a gas turbine engine

#219
20170107840
2017-04-20

Shrouds and methods for forming turbine components

#220
20170101933
2017-04-13

Turbine engine assembly and method of operating thereof

#221
20170101889
2017-04-13

Multi-flow cooling passage chamber for gas turbine engine

#222
20170051629
2017-02-23

Actuator control

#223
20170051624
2017-02-23

Blade outer air seal fin cooling assembly and method

#224
20170046886
2017-02-16

Method for detecting an increase in the rating of a low-pressure turbine of an aircraft reactor during a cruising flight phase, and associated device and method for regulating the cooling air flow rate of a low-pressure turbine

#225
20170044924
2017-02-16

System for the active setting of a radial clearance size and aircraft engine with a system for the active setting of a radial clearance size

#226
20170044919
2017-02-16

Turbine shroud segment sealing

#227
20170037740
2017-02-09

Turbine shroud segment with side perimeter seal

#228
20170002740
2017-01-05

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

#229
20170002736
2017-01-05

Dual pressure deicing system

#230
20160369645
2016-12-22

Methods and system for a turbocharger

#231
20160348587
2016-12-01

Brackets for gas turbine engine components

#232
20160348534
2016-12-01

Flow sleeve for thermal control of a double-walled turbine shell and related method

#233
20160326960
2016-11-10

System and method for improving exhaust energy recovery

#234
20160326901
2016-11-10

Turbine tip clearance

#235
20160326884
2016-11-10

Axial skin core cooling passage for a turbine engine component

#236
20160326878
2016-11-10

Gas turbine, gas turbine control device, and gas turbine cooling method

#237
20160319841
2016-11-03

Meter plate for blade outer air seal

#238
20160319698
2016-11-03

Blade outer air seal cooling passage

#239
20160312703
2016-10-27

Adaptive turbomachine cooling system

#240
20160311546
2016-10-27

Method, system, and apparatus for reducing a turbine clearance

#241
20160290157
2016-10-06

System for cooling a turbine engine

#242
20160273382
2016-09-22

System for cooling a turbine shroud

#243
20160237852
2016-08-18

Tortuous cooling passageway for engine component

#244
20160230577
2016-08-11

BOAS thermal protection

#245
20160221881
2016-08-04

CMC turbine components and methods of forming CMC turbine components

#246
20160215648
2016-07-28

Active clearance control systems

#247
20160201491
2016-07-14

Variable area turbine arrangement with secondary flow modulation

#248
20160201467
2016-07-14

Blade outer air seal with cooling holes

#249
20160194980
2016-07-07

Gas turbine engine component providing prioritized cooling

#250
20160194974
2016-07-07

BOAS with radial load feature

#251
20160186611
2016-06-30

Blade track assembly with turbine tip clearance control

#252
20160186605
2016-06-30

Shroud assembly for a turbine engine

#253
20160186597
2016-06-30

TURBINE COOLING APPARATUS

#254
20160186575
2016-06-30

Hot gas path component

#255
20160169027
2016-06-16

Tip clearance control for turbine blades

#256
20160169026
2016-06-16

Tip clearance control for turbine blades

#257
20160153307
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