ClassID:

136875

F01D11/00 - CPC Classification

Classification description:

Preventing or minimising internal leakage of working-fluid, e.g. between stages

Sub-classes:
Recent Application in this class:
#1
20260036058
2026-02-05

TURBINE SHROUD ASSEMBLIES WITH RETAINER FEATURES FOR BLOCKING SEAL MIGRATION

#2
20260029023
2026-01-29

PROPELLER SHAFT HYBRID LIP AND LABYRINTH SEAL

#3
20260022642
2026-01-22

TURBINE SHROUD SEGMENTS WITH DAMPING STRIP SEAL ASSEMBLIES

#4
20250382993
2025-12-18

PROPELLER SHAFT HYBRID LIP AND LABYRINTH SEAL

#5
20250326074
2025-10-23

SYSTEMS AND METHODS FOR REPAIRING MACHINED SLOTS IN GAS TURBINE COMPONENTS

#6
20250314298
2025-10-09

METHODS OF MANUFACTURING COMPOSITE SEALS, COMPOSITE SEALS, AND ASSEMBLIES WITH COMPOSITE SEALS

#7
20250270938
2025-08-28

LOW FRICTION COATINGS FOR BROAD TEMPERATURE RANGES

#8
20250250906
2025-08-07

INTERCOMPONENT SEAL ARRANGEMENT FOR A GAS TURBINE ENGINE

#9
20250243771
2025-07-31

SEAL ASSEMBLY FOR A ROTOR SHAFT OF A GAS TURBINE

#10
20250163817
2025-05-22

ASSEMBLY FOR AN AIRCRAFT TURBOMACHINE, AND AIRCRAFT TURBOMACHINE

#11
20250073829
2025-03-06

SYSTEM AND METHOD OF REPAIRING A MULTI-LAYER COMPONENT OF AN ENGINE

#12
20250067183
2025-02-27

BATHTUB SEAL FOR DAMPING CMC VANE PLATFORM

#13
20250035012
2025-01-30

DISRUPTING FLOW VORTICES TO ATTENUATE RESONANT TONES WITHIN A GAS TURBINE ENGINE

#14
20240384661
2024-11-21

Seal assembly for a rotor shaft of a gas turbine

#15
20240367274
2024-11-07

METHOD AND APPARATUS FOR FASTENING IN A HIGH FLUID PRESSURE ENVIRONMENT

#16
20240308924
2024-09-19

THROUGH THICKNESS REINFORCEMENT

#17
20240247594
2024-07-25

Ceramic component having silicon layer and barrier layer

#18
20240191638
2024-06-13

Partition damper seal configurations for segmented internal cooling hardware

#19
20240175368
2024-05-30

SEAL SLOT WITH COATING

#20
20240173743
2024-05-30

SLOT WITH COATING AND METHOD OF COATING A SLOT

#21
20240003266
2024-01-04

Oil-Cooled Carbon Seal

#22
20230383669
2023-11-30

Surface treatment for seal assemblies

#23
20230358146
2023-11-09

Turbine and blade for the protection of the root from flow path hot gases

#24
20230349648
2023-11-02

ADDITIVELY MANUFACTURED TURBOMACHINERY COMPONENTS WITH DESIGNED ATMOSPHERE OF AN INNER VOIDED CORE FOR HEAT TRANSFER CONTROL

#25
20230323950
2023-10-12

Piston seal ring

#26
20230315950
2023-10-05

CLEARANCE CALCULATION DEVICE AND CLEARANCE CALCULATION METHOD

#27
20230287979
2023-09-14

Brush seal

#28
20230201979
2023-06-29

Tools and methods for assembling a seal device of a gas turbine engine

#29
20230193784
2023-06-22

Partition damper seal configurations for segmented internal cooling hardware

#30
20230082038
2023-03-16

Turbine and blade for the protection of the root from flow path hot gases

#31
20220412462
2022-12-29

Noncontacting intershaft seal system

#32
20220411334
2022-12-29

Integral ceramic matrix composite fastener with non-polymer rigidization

#33
20220388912
2022-12-08

Through thickness reinforcement

#34
20220324761
2022-10-13

Integral ceramic matrix composite fastener with polymer rigidization

#35
20220251970
2022-08-11

TURBOCHARGER WITH ANTI-COKING COATING

#36
20220228501
2022-07-21

Seal assembly in a gas turbine engine

#37
20220065736
2022-03-03

Systems and methods for detecting a fuel leak

#38
20220065133
2022-03-03

COMPRESSOR SEAL SYSTEM

#39
20220049624
2022-02-17

Oil-cooled carbon seal

#40
20210363893
2021-11-25

Face seal arrangement

#41
20210108527
2021-04-15

Seal assembly

#42
20210054751
2021-02-25

Sealing arrangement with pressure-loaded feather seals to seal gap between components of gas turbine engine

#43
20200147835
2020-05-14

Integral ceramic matrix composite fastener with non-polymer rigidization

#44
20200123912
2020-04-23

Rotor assembly with rotor disc lip

#45
20200088037
2020-03-19

Turbine engine with annular cavity

#46
20200040734
2020-02-06

Spigot assembly for rotating components

#47
20200032809
2020-01-30

Mechanical seal assembly with safety seal

#48
20200025007
2020-01-23

Seal assembly for turbine engine component

#49
20190331003
2019-10-31

Seal support structure for a circumferential seal of a gas turbine engine

#50
20190330993
2019-10-31

Gas turbine engine vane end devices

#51
20190309856
2019-10-10

Brush seal with sliding backing plate

#52
20190293183
2019-09-26

Ramped spacer ring seal

#53
20190292926
2019-09-26

Method for disassembling/assembling gas turbine, seal plate assembly, and gas turbine rotor

#54
20190277146
2019-09-12

Method for disassembling/assembling gas turbine, gas turbine rotor, and gas turbine

#55
20190218913
2019-07-18

Turbine engine with annular cavity

#56
20190195136
2019-06-27

Triple bend finger seal and deflection thereof

#57
20190162120
2019-05-30

Seal segment and rotary machine

#58
20190145320
2019-05-16

Seal segment and rotary machine

#59
20190128133
2019-05-02

Detachable anti-wear cap for rectifier sector

#60
20190072102
2019-03-07

Compressor system equipped for fugitive gas handling and fugitive gas system operating method

#61
20190040754
2019-02-07

Stator vane segment for a turbomachine

#62
20190017412
2019-01-17

Flow metering and retention system

#63
20190010829
2019-01-10

Integral ceramic matrix composite fastener with polymer rigidization

#64
20190010815
2019-01-10

Turbine nozzle

#65
20190010809
2019-01-10

Insert assembly, airfoil, gas turbine, and airfoil manufacturing method

#66
20180371928
2018-12-27

Brush seal

#67
20180355757
2018-12-13

Sealing configurations with active cooling features

#68
20180347388
2018-12-06

Gas turbine with axially moveable outer sealing ring with respect to housing against a direction of flow in an assembled state

#69
20180347364
2018-12-06

SMALL-SCALE COMBINED HEAT AND POWER GENERATOR USING STEAM INJECTOR

#70
20180312239
2018-11-01

Three dimensional auxetic structure, manufacturing method and tooling

#71
20180274681
2018-09-27

Brush seal

#72
20180258780
2018-09-13

Elastic sheet used for turbine follow-up suspended steam seal belt and steam seal structure thereof

#73
20180252617
2018-09-06

System and method for monitoring hook wear in a gas turbine engine

#74
20180230064
2018-08-16

Ceramic matrix composite components having a deltoid region and methods for fabricating the same

#75
20180202301
2018-07-19

Vane and gas turbine including the same

#76
20180194691
2018-07-12

Method of melt infiltration utilizing a non-wetting coating for producing a ceramic matrix composite

#77
20180156055
2018-06-07

Blade of a rotary flow machine with a radial strip seal

#78
20180156052
2018-06-07

Gas turbine engine vane end devices

#79
20180119558
2018-05-03

W-seal shield for interrupted cavity

#80
20180112597
2018-04-26

Combustor seal for a gas turbine engine combustor

#81
20180112532
2018-04-26

Turbine blade mounting structure

#82
20180076055
2018-03-15

Container storage facility

#83
20180058238
2018-03-01

Floating, non-contact seal with angled beams

#84
20180045317
2018-02-15

Split type brush seal device, brush seal pieces, and method of assembling split type brush seal device

#85
20180037511
2018-02-08

Turbine comprising turbine stator vanes of a ceramic matrix composite attached to a turbine case

#86
20170370236
2017-12-28

Brush seal system for sealing a clearance between components of a turbo engine that are movable in relation to one another

#87
20170370226
2017-12-28

Mini-disk for gas turbine engine

#88
20170350510
2017-12-07

Shaft seal mechanism

#89
20170328404
2017-11-16

Plain self-centering bearing

#90
20170328237
2017-11-16

Sector for the assembly of a stage of a turbine and corresponding manufacturing method

#91
20170328228
2017-11-16

Seal for hardware segments

#92
20170327937
2017-11-16

HIGH TEMPERATURE COATING FOR SILICON NITRIDE ARTICLES

#93
20170321560
2017-11-09

Gas turbine engine having a vane assembly

#94
20170298739
2017-10-19

Bolt On Seal Ring

#95
20170284221
2017-10-05

Shield member and jet engine using the same

#96
20170260867
2017-09-14

CERAMIC MATRIX COMPOSITE COMPONENT, GAS TURBINE SEAL ASSEMBLY, AND METHOD OF FORMING CERAMIC MATRIX COMPOSITE COMPONENT

#97
20170226875
2017-08-10

Mobile vane for a turbine engine, comprising a lug engaging in a locking notch of a rotor disk

#98
20170216912
2017-08-03

Apparatus for casting multiple components using a directional solidification process

#99
20170198598
2017-07-13

Internally cooled seal runner

#100
20170175756
2017-06-22

Guide vane for a turbomachine, guide vane cascade, and method for manufacturing a guide vane or a guide vane cascade

#101
20170175533
2017-06-22

Alloy, welded article and welding process

#102
20170167364
2017-06-15

Exhaust bypass valve of multi-stage turbocharger

#103
20170114654
2017-04-27

Apparatus and method for sealing turbine assembly

#104
20170114653
2017-04-27

Leaf seal reach over spring with retention mechanism

#105
20170114649
2017-04-27

Fabrication of gas turbine engine components using multiple processing steps

#106
20170067355
2017-03-09

Sealing arrangement for sealing a gap between two components which bear flat against one another on the gap side at room temperature

#107
20170067354
2017-03-09

Seal assembly for turbine engine component

#108
20170058832
2017-03-02

System and method for a fluidic barrier from the upstream splitter

#109
20170051626
2017-02-23

Turbine abradable layer with composite non-inflected bi-angle ridges and grooves

#110
20170030206
2017-02-02

Apparats for decreasing thrust of radial inflow turbine

#111
20160362994
2016-12-15

Anti-rotation knife edge seals and gas turbine engines including the same

#112
20160348525
2016-12-01

Trailing edge platform seals

#113
20160348524
2016-12-01

Turbine exhaust housing

#114
20160341044
2016-11-24

Additive layer repair of a metallic component

#115
20160333455
2016-11-17

Thermal Barrier Coating with Lower Thermal Conductivity

#116
20160312621
2016-10-27

Thermal shielding in a gas turbine

#117
20160312620
2016-10-27

Thermal shielding in a gas turbine

#118
20160298473
2016-10-13

Seal configurations for turbine assembly and bearing compartment interfaces

#119
20160281522
2016-09-29

Sealing arrangements in gas turbines

#120
20160281520
2016-09-29

Shaft sealing device, rotating machine, and method for manufacturing shaft sealing device

#121
20160265389
2016-09-15

Integral ceramic matrix composite fastener with polymer rigidization

#122
20160237912
2016-08-18

Tapered gas turbine segment seals

#123
20160237838
2016-08-18

Actuation pivot shaft face seal

#124
20160208923
2016-07-21

Radial coverage piston ring groove arrangement

#125
20160208921
2016-07-21

Seal housing pre-taper

#126
20160201802
2016-07-14

Knife edge seal tree

#127
20160178063
2016-06-23

Tiered brush seal

#128
20160178062
2016-06-23

BRUSH SEAL ARRANGEMENT

#129
20160169040
2016-06-16

Secondary sealing system

#130
20160153301
2016-06-02

Non-linearly deflecting brush seal land

#131
20160153300
2016-06-02

Sealing assembly

#132
20160146029
2016-05-26

Sealing bush carrier for a steam turbine and steam turbine

#133
20160130962
2016-05-12

Flow machine

#134
20160116068
2016-04-28

Seal assembly for a turbine engine comprising means for lubricating a brush seal

#135
20160115825
2016-04-28

Seal support structure for a circumferential seal of a gas turbine engine

#136
20160115804
2016-04-28

Seal support structure

#137
20160108750
2016-04-21

Circumferential seal with seal dampening elements

#138
20160069217
2016-03-10

Panels of a fan of a gas turbine

#139
20160047475
2016-02-18

Brush seal assembly

#140
20160047259
2016-02-18

Gas turbine engine stress isolation scallop

#141
20160003360
2016-01-07

Brush seal

#142
20150377049
2015-12-31

BRUSH SEAL SYSTEM FOR SEALING A CLEARANCE BETWEEN COMPONENTS OF A TURBO ENGINE THAT ARE MOVABLE IN RELATION TO ONE ANOTHER

#143
20150354707
2015-12-10

Brush seal device

#144
20150354455
2015-12-10

Thermally isolated turbine section for a gas turbine engine

#145
20150345640
2015-12-03

Brush seal device

#146
20150300201
2015-10-22

Method of reducing manufacturing variation related to blocked cooling holes

#147
20150300188
2015-10-22

Flow deflector arrangement

#148
20150292344
2015-10-15

INGESTION BLOCKING ENDWALL FEATURE

#149
20150267550
2015-09-24

Turbine nozzles with slip joints impregnated by oxidation-resistant sealing material and methods for the production thereof

#150
20150240948
2015-08-27

Seal ring

#151
20150240724
2015-08-27

Combustor seal mistake-proofing for a gas turbine engine

#152
20150192028
2015-07-09

Gas turbine

#153
20150192025
2015-07-09

Guide vane for a turbomachine having a sealing device; stator, as well as turbomachine

#154
20150167480
2015-06-18

Methods and apparatus for sealing a gas turbine engine rotor assembly

#155
20150152742
2015-06-04

Sealing element, sealing unit, and turbomachine

#156
20150152741
2015-06-04

Turbocharger with variable turbine geometry having grooved guide vanes

#157
20150145216
2015-05-28

Variable stiffness compliant plate seal

#158
20150128433
2015-05-14

Bucket tip shroud measurement fixture and method of measuring bucket tip shroud orientation

#159
20150084285
2015-03-26

Brush seal and method for producing a brush seal

#160
20150071769
2015-03-12

Method for disassembly and assembly of a rotor of a gas turbine

#161
20150069712
2015-03-12

Windback device for a circumferential seal

#162
20150064012
2015-03-05

Blade of a rotary flow machine with a radial strip seal

#163
20150061228
2015-03-05

Sealing arrangement in an axial turbomachine

#164
20150050138
2015-02-19

Fixation device for turbine and method for applying fixation

#165
20150048618
2015-02-19

Turbine generator

#166
20150016957
2015-01-15

Ceramic component for a turbomachine

#167
20150003963
2015-01-01

Gas turbine engine vane end devices

#168
20150001808
2015-01-01

Leaf seal

#169
20140369832
2014-12-18

Internally cooled seal runner

#170
20140348647
2014-11-27

EXHAUST DIFFUSER FOR A GAS TURBINE ENGINE EXHAUST SYSTEM

#171
20140308113
2014-10-16

Structure and method for providing compliance and sealing between ceramic and metallic structures

#172
20140294567
2014-10-02

Guide vane for a turbomachine, guide vane cascade, and method for manufacturing a guide vane or a guide vane cascade

#173
20140225326
2014-08-14

BRUSH SEAL SYSTEM WITH ELLIPTICAL CLEARANCE

#174
20140210167
2014-07-31

Air cycle machine with seal shaft

#175
20140205440
2014-07-24

COMPLIANT PLATE SEALS FOR ROTARY MACHINES

#176
20140190181
2014-07-10

Rotor cover plate

#177
20140169938
2014-06-19

Turbine purge flow control system and related method of operation

#178
20140154078
2014-06-05

Impeller with sealing portion

#179
20140154060
2014-06-05

TURBOMACHINE SEAL ASSEMBLY AND METHOD OF SEALING A ROTOR REGION OF A TURBOMACHINE

#180
20140154059
2014-06-05

Turbine nozzle baffle

#181
20140154053
2014-06-05

Carbon seal assembly

#182
20140144135
2014-05-29

Suction sealing for turbocharger

#183
20140133963
2014-05-15

Apparatus and method for measuring gas flow through a rotary seal

#184
20140112766
2014-04-24

Gas turbine including belly band seal anti-rotation device

#185
20140056685
2014-02-27

Annular turbomachine seal and heat shield

#186
20140023490
2014-01-23

FASTENER

#187
20140023482
2014-01-23

Turbine, manufacturing method thereof, and power generating system

#188
20140000258
2014-01-02

Steam turbine facility

#189
20130323060
2013-12-05

Ladder seal system for gas turbine engines

#190
20130302185
2013-11-14

Turbine exhaust housing

#191
20130259680
2013-10-03

Shaft sealing device, and rotary machine equipped therewith

#192
20130256992
2013-10-03

BRUSH SEAL SYSTEM WITH ELLIPTICAL CLEARANCE

#193
20130256990
2013-10-03

Turbine assembly and method for assembling a turbine

#194
20130241153
2013-09-19

Windback device for a circumferential seal

#195
20130230386
2013-09-05

Diffuser seal for geared turbofan or turboprop engines

#196
20130209786
2013-08-15

Thermal barrier coating system with porous tungsten bronze structured underlayer

#197
20130199038
2013-08-08

Method of assembling a gas turbine engine

#198
20130187339
2013-07-25

Near flow path seal with axially flexible arms

#199
20130181413
2013-07-18

SPRING LOADED SEAL ASSEMBLY FOR TURBINES

#200
20130177420
2013-07-11

Turbine vane seal carrier with slots for cooling and assembly

#201
20130101391
2013-04-25

Self-adjusting device for controlling the clearance between rotating and stationary components of a thermally loaded turbo machine

#202
20130084165
2013-04-04

INSTALLATION COMPRISING STEAM TURBINE MODULES WITH OPTIMIZED EFFICIENCY

#203
20130082446
2013-04-04

METHOD OF REPAIRING ROTATING MACHINE COMPONENTS

#204
20130042474
2013-02-21

Rotor seal wire groove repair

#205
20130031960
2013-02-07

Seal gas monitoring and control system

#206
20130017071
2013-01-17

FOAM STRUCTURE, A PROCESS OF FABRICATING A FOAM STRUCTURE AND A TURBINE INCLUDING A FOAM STRUCTURE

#207
20130017069
2013-01-17

TURBINE, A TURBINE SEAL STRUCTURE AND A PROCESS OF SERVICING A TURBINE

#208
20120315138
2012-12-13

COMPLIANT PLATE SEAL ASSEMBLY FOR A TURBO MACHINE

#209
20120308834
2012-12-06

Article having vitreous monocoating

#210
20120308368
2012-12-06

Flap seal spring and sealing apparatus

#211
20120251294
2012-10-04

Shaft seal for steam turbines

#212
20120217703
2012-08-30

Intershaft seal system for minimizing pressure induced twist

#213
20120153941
2012-06-21

Nondestructive test of a sealing member

#214
20120141291
2012-06-07

Wind turbine composite structures

#215
20120091401
2012-04-19

Metal nanoparticle dispersion

#216
20120043725
2012-02-23

Intershaft seal

#217
20120027569
2012-02-02

Rotating machine with shaft sealing arrangement

#218
20110304104
2011-12-15

Spring loaded seal assembly for turbines

#219
20110243749
2011-10-06

Gas turbine engine with non-axisymmetric surface contoured rotor blade platform

#220
20110182732
2011-07-28

Wind turbine and method of deicing wind turbine blade

#221
20110158793
2011-06-30

Vane assembly having a vane end seal

#222
20110135453
2011-06-09

Leaf seal

#223
20110085899
2011-04-14

Shroud assembly with discourager

#224
20110081237
2011-04-07

Sealing for vane segments

#225
20100329881
2010-12-30

Transversal conduction lightning protection system

#226
20100320696
2010-12-23

Seal arrangement

#227
20100247282
2010-09-30

Systems, methods, and apparatus for passive purge flow control in a turbine

#228
20100227146
2010-09-09

THERMAL BARRIER COATING WITH LOWER THERMAL CONDUCTIVITY

#229
20100171268
2010-07-08

System and method for providing compliant rotating seals

#230
20100135785
2010-06-03

Exhaust-gas turbocharger for an internal combustion engine

#231
20100133756
2010-06-03

Shaft seal for steam turbines

#232
20090322038
2009-12-31

Sealing device

#233
20090322028
2009-12-31

Seal arrangement

#234
20090309311
2009-12-17

Methods and apparatus to facilitate sealing in rotary machines

#235
20090272112
2009-11-05

Turbocharger with variable nozzle having vane sealing surfaces

#236
20090081028
2009-03-26

Developments relating to a rotor arrangement

#237
20090033036
2009-02-05

GAS TURBINE WITH ANNULAR HEAT SHIELD

#238
20080265514
2008-10-30

Methods and apparatus to facilitate sealing in rotary machines

#239
20080181767
2008-07-31

Turbine seal plate locking system

#240
20080075583
2008-03-27

Sealing of variable guide vanes

#241
20080069691
2008-03-20

System and method for aligning and sealing a turbine shell assembly

#242
20080012241
2008-01-17

Cross flange seal for a pressure vessel, especially for a turbomachine casing

#243
20070257440
2007-11-08

Convex sealing bottom for a twin-shaft turbine

#244
20070120327
2007-05-31

Hydrodynamic brush seal

#245
20070120008
2007-05-31

Engine airframe J-seal damper

#246
20070110567
2007-05-17

Axial and circumferential seal for stacked rotor and/or stator assembly

#247
20070102886
2007-05-10

Shaft sealing mechanism

#248
20070096399
2007-05-03

Mechanical face seal stop pin

#249
20070096397
2007-05-03

HYDRODYNAMIC BRUSH SEAL

#250
20070094880
2007-05-03

Nozzle seal slot measuring tool and method

#251
20070071597
2007-03-29

High pressure first stage turbine and seal assembly

#252
20070069478
2007-03-29

Leakage seal for gas path of gas turbine

#253
20070063448
2007-03-22

Seals for turbines and turbo machinery

#254
20070018409
2007-01-25

Hydrodynamic brush seal

#255
20060133921
2006-06-22

Dual pressure Euler steam turbine

#256
20060018752
2006-01-26

Methods and apparatus for deicing airfoils or rotor blades

#257
20050253379
2005-11-17

Threaded joint for gas turbine components

#258
20050194747
2005-09-08

Sealing arrangement

#259
20050095122
2005-05-05

Main gas duct internal seal of a high-pressure turbine

#260
20050047911
2005-03-03

Methods and apparatus to facilitate sealing between rotating turbine shafts

#261
19023158
2026-05-12

Interstage seal with provision for dedicated cooling flow ingress and method

#262
18770348
2025-10-21

Brush seal assembly with metal cover

#263
18590001
2024-11-26

Ribbed seal element for aircraft powerplant

#264
18452922
2024-07-02

Bathtub seal for damping CMC vane platform