ClassID:

136888

F01D11/122 - 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 using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material

Sub-classes:
Recent Application in this class:
#1
20260103993
2026-04-16

ABRADABLE COATING

#2
20260092532
2026-04-02

METHOD FOR PRODUCING AN ABRADABLE COATING, ABRADABLE COATING AND COATED PART

#3
20260078826
2026-03-19

SELF-OPTIMIZING SEAL FOR TURBOMACHINERY, AND ASSOCIATED SYSTEMS AND METHODS

#4
20260078685
2026-03-19

THERMAL BARRIER COATING FOR EDGE COMPONENT

#5
20260049554
2026-02-19

BLADE WITH ABRASIVE TIP

#6
20260016286
2026-01-15

VISUAL AND/OR DIMENSIONAL TIP INSPECTION SYSTEMS AND METHODS

#7
20250361185
2025-11-27

ABRADABLE COATING

#8
20250314178
2025-10-09

POROSITY VARIATION OF ABRADABLE BASED ON HARDNESS OF MATERIAL

#9
20250304500
2025-10-02

Turbine Engine Abradable Systems

#10
20250257666
2025-08-14

CERAMIC MATRIX COMPOSITE COMPONENT WITH COATING

#11
20250250900
2025-08-07

AEROFOIL STRUCTURE FOR A GAS TURBINE ENGINE

#12
20250243773
2025-07-31

CERAMIC ABRADABLE COATING WITH CONTROLLABLE HARDNESS AND ABRADABILITY

#13
20250230755
2025-07-17

ENGINE COMPONENT WITH ABRADABLE MATERIAL AND TREATMENT

#14
20250179937
2025-06-05

METHOD AND APPARATUS FOR CERAMIC MATRIX COMPOSITE TURBINE SHROUD ASSEMBLY

#15
20250011937
2025-01-09

METHOD FOR MANUFACTURING AN ABRADABLE LAYER

#16
20240426223
2024-12-26

BLADE FOR A CONTINUOUS FLOW MACHINE AND METHOD FOR PRODUCING A BLADE, WHEREIN THE BLADE HAS A BLADE TIP WITH NOTCHES IN AN ABRADABLE COATING SURFACE

#17
20240418097
2024-12-19

LABYRINTH SEALING DEVICE FOR AN AIRCRAFT TURBOMACHINE

#18
20240352865
2024-10-24

BLADE TIP CLEARANCE CONTROL USING MATERIAL WITH NEGATIVE THERMAL EXPANSION COEFFICIENTS

#19
20240337197
2024-10-10

Guide vane assembly for a turbomachine

#20
20240318574
2024-09-26

ROTATING MACHINE COMPONENT CLEARANCE SENSING SYSTEMS AND METHODS

#21
20240287915
2024-08-29

Turbine shroud with ceramic matrix composite blade track segments and method of assembly

#22
20240271532
2024-08-15

Airfoil tip cleaning and assessment systems and methods

#23
20240262756
2024-08-08

Abradable coating having a honeycomb structure made of composite material having a ceramic matrix made of short fibers

#24
20240254889
2024-08-01

Substrate Edge Configurations for Ceramic Coatings

#25
20240240567
2024-07-18

Method for mounting an abradable element comprising a cellular structure in an annular groove of a turbomachine member

#26
20240229671
2024-07-11

TURBOMACHINE DISTRIBUTOR COMPRISING A GAS REINTRODUCTION DUCT WITH A TANGENTIAL COMPONENT

#27
20240209738
2024-06-27

Turbomachine cooling trench

#28
20240200464
2024-06-20

ASSEMBLY FOR A TURBINE ENGINE FAN CASE AND AN AIR INLET, METHOD FOR USING SUCH AN ASSEMBLY

#29
20240191628
2024-06-13

MACHINABLE COATING WITH THERMAL PROTECTION

#30
20240167392
2024-05-23

Blade tip clearance control using material with negative thermal expansion coefficients

#31
20240167386
2024-05-23

Titanium alloy blade tip with high adhesion strength and wear-resistant protective coating and preparation method thereof

#32
20240158303
2024-05-16

Turbine Engine Abradable Systems

#33
20240140083
2024-05-02

ABRADABLE MATERIAL AND DESIGN FOR JET ENGINE APPLICATIONS

#34
20240133311
2024-04-25

Turbomachine distributor comprising a gas reintroduction duct with a tangential component

#35
20240117750
2024-04-11

Turbine rotor for a turbomachine

#36
20240068371
2024-02-29

PRE-SINTERED PREFORM WITH HIGH TEMPERATURE CAPABILITY, IN PARTICULAR AS ABRASIVE COATING FOR GAS TURBINE BLADES

#37
20240060423
2024-02-22

SENSING SYSTEM FOR DETECTING RUBS EVENTS OR WEAR OF AN ABRADABLE COATING IN TURBO MACHINERY

#38
20240035391
2024-02-01

TURBINE BLADE FOR AN AIRCRAFT TURBOMACHINE, PROVIDED WITH A CHANNEL FOR EJECTING A PRIMARY FLOW TOWARDS AN INTER-LIP CAVITY

#39
20240026120
2024-01-25

WEAR RESISTANT COATING, METHOD OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME

#40
20230366673
2023-11-16

VISUAL AND/OR DIMENSIONAL TIP INSPECTION SYSTEMS AND METHODS

#41
20230366317
2023-11-16

Airfoil tip cleaning and assessment systems and methods

#42
20230358148
2023-11-09

AIRCRAFT WITH RAM AIR TURBINE DISK WITH GENERATOR HAVING BLADE SHROUD RING INTEGRATED MAGNETS

#43
20230323783
2023-10-12

Self-optimizing seal for turbomachinery, and associated systems and methods

#44
20230304415
2023-09-28

Clearance control system for a gas turbine engine

#45
20230304410
2023-09-28

System and Method for Manufacture of Abrasive Coating

#46
20230296029
2023-09-21

Dislocator Chemistries for Turbine Abradable or Machinable Coating Systems

#47
20230243304
2023-08-03

Inducer seal with integrated inducer slots

#48
20230235440
2023-07-27

Method for making high lubricity abradable material and abradable coating

#49
20230212953
2023-07-06

Mounting of a sealing ring on an aeronautical turbine engine

#50
20230193827
2023-06-22

FAN CASE ASSEMBLY FOR A GAS TURBINE ENGINE

#51
20230193775
2023-06-22

Ceramic matrix composite turbine shroud shaped for minimizing abradable coating layer

#52
20230184126
2023-06-15

Turbine for a turbine engine

#53
20230184125
2023-06-15

Engine component with abradable material and treatment

#54
20230160316
2023-05-25

ABRASIVE MATERIAL, A METHOD FOR MANUFACTURING AN ABRASIVE MATERIAL AND A SUBSTRATE COATED WITH AN ABRASIVE MATERIAL

#55
20230131676
2023-04-27

Low density hybrid knife seal

#56
20230125862
2023-04-27

Turbomachine rotary assembly comprising an annular clamping part

#57
20230120507
2023-04-20

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

#58
20230118871
2023-04-20

Sealing assembly for a turbine engine

#59
20230102823
2023-03-30

PROCESS AND MATERIAL CONFIGURATION FOR MAKING HOT CORROSION RESISTANT HPC ABRASIVE BLADE TIPS

#60
20230089114
2023-03-23

Abradable coating

#61
20230075984
2023-03-09

Aircraft turbomachine casing and method of manufacturing same

#62
20220381188
2022-12-01

Gas turbine inner shroud with abradable surface feature

#63
20220372881
2022-11-24

ROTOR BLADE ARRANGEMENT FOR A TURBOMACHINE

#64
20220349310
2022-11-03

Turbomachine cooling trench

#65
20220333496
2022-10-20

Attachment of an acoustic shroud to a housing shell for an aircraft turbine engine

#66
20220316346
2022-10-06

Movable vane for a wheel of a turbine engine

#67
20220316341
2022-10-06

Blade with abrasive tip

#68
20220282634
2022-09-08

Abradable coating for rotating blades of a turbomachine

#69
20220282633
2022-09-08

Abradable coating

#70
20220275731
2022-09-01

Abradable member for a turbine of a turbomachine, comprising a wear face provided with guide vanes

#71
20220268171
2022-08-25

Rotating machine component clearance sensing systems and methods

#72
20220251974
2022-08-11

Compressor housing for a turbine engine

#73
20220243604
2022-08-04

Method for manufacturing an abradable sealing element, and abradable sealing element

#74
20220228502
2022-07-21

Dynamic seal for a turbomachine comprising a multi-layer abradable part

#75
20220195881
2022-06-23

Method for detecting a roughness in an abradable layer in a fan casing

#76
20220195576
2022-06-23

Method of forming an abrasive coating on a fan blade tip

#77
20220186627
2022-06-16

LABYRINTH SEAL COMPRISING AN ABRADABLE ELEMENT WITH VARIABLE CELL DENSITY

#78
20220186619
2022-06-16

Reduced deflection turbine rotor

#79
20220172336
2022-06-02

Control device and method of sectors for the assembly of the turbine stators of a turbine

#80
20220170385
2022-06-02

Installation and method for assembling the turbine stators of a turbine

#81
20220162950
2022-05-26

Rotor blade abrasive tip for hot gas expander

#82
20220154592
2022-05-19

FULLY STABILIZED ZIRCONIA IN A SEAL SYSTEM

#83
20220154591
2022-05-19

Assembly for a turbomachine turbine

#84
20220120189
2022-04-21

Abradable labyrinth seal for refrigerant compressors

#85
20220112815
2022-04-14

ABRADABLE SEAL STRUCTURE FOR GAS TURBINE FORMED USING BINDER JETTING

#86
20220106888
2022-04-07

CMAS-resistant abradable coatings

#87
20220099108
2022-03-31

FAN CASING FOR AN AIRCRAFT TURBOMACHINE

#88
20220074352
2022-03-10

Turbine section of gas turbine engine

#89
20220065124
2022-03-03

Assembly for a turbomachine

#90
20220064775
2022-03-03

Method for making high lubricity abradable material and abradable coating

#91
20220034236
2022-02-03

Internal turbomachine casing having improved thermal insulation

#92
20220034231
2022-02-03

Moving blade for a wheel of a turbine engine

#93
20220003127
2022-01-06

Sealing between a rotor disc and a stator of a turbomachine

#94
20210372293
2021-12-02

CMCs with luminescence environmental barrier coatings

#95
20210363886
2021-11-25

Blade with abrasive tip

#96
20210355838
2021-11-18

Substrate edge configurations for ceramic coatings

#97
20210355837
2021-11-18

Environmental barrier multi-phase abradable coating

#98
20210332715
2021-10-28

Process and material configuration for making hot corrosion resistant HPC abrasive blade tips

#99
20210317584
2021-10-14

Method for manufacturing an abradable layer

#100
20210301731
2021-09-30

Turbine section of high bypass turbofan

#101
20210301730
2021-09-30

Turbine section of high bypass turbofan

#102
20210277792
2021-09-09

Geometrically segmented abradable ceramic thermal barrier coating with improved spallation resistance

#103
20210254489
2021-08-19

WALL DEPOSITION

#104
20210254476
2021-08-19

Turbine blade squealer tip including internal squealer tip cooling channel

#105
20210246806
2021-08-12

Abrasive coating for high-temperature mechanical systems

#106
20210239009
2021-08-05

Blade with wearable tip-rub-portions above squealer pocket

#107
20210222577
2021-07-22

Sealing device and rotary machine

#108
20210207487
2021-07-08

TURBOMACHINE BLADING ANGULAR SECTOR WITH SEAL BETWEEN SECTORS

#109
20210189969
2021-06-24

Air seal interface with AFT engagement features and active clearance control for a gas turbine engine

#110
20210189899
2021-06-24

Patch rings and methods of use

#111
20210180467
2021-06-17

Dual density abradable panels

#112
20210172331
2021-06-10

Abradable coating for rotating blades of a turbomachine

#113
20210156312
2021-05-27

Abradable sealing element

#114
20210138604
2021-05-13

TOOL FOR SHAPING ABRADABLE LINERS OF GAS TURBINE ENGINES

#115
20210108535
2021-04-15

Electrical resistance wear indicator

#116
20210108533
2021-04-15

Multilayer abradable coatings for high-performance systems

#117
20210102474
2021-04-08

Replaceable rotor blade tip clearance measurement device for a gas turbine engine

#118
20210071587
2021-03-11

Turbine section of high bypass turbofan

#119
20210054761
2021-02-25

Compressor section of gas turbine engine including hybrid shroud with casing treatment and abradable section

#120
20210047935
2021-02-18

WEAR RESISTANT COATING, METHOD OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME

#121
20210032999
2021-02-04

INNER BAND FOR TURBINE ENGINE

#122
20210008669
2021-01-14

Abrasive preforms and manufacture and use methods

#123
20210003025
2021-01-07

Turbine tip shroud assembly with plural shroud segments having inter-segment seal arrangement

#124
20200400033
2020-12-24

Labyrinth seal abradable structure, notably for aircraft turbine

#125
20200386113
2020-12-10

Coating with property gradient for inner wall of turbomachine

#126
20200338772
2020-10-29

System for machining the abradable material of a turbofan engine

#127
20200308975
2020-10-01

Method for manufacturing a turbine engine casing with abradable coating

#128
20200300177
2020-09-24

Mission adaptive clearance control system and method of operation

#129
20200291796
2020-09-17

Wear resistant turbine blade tip

#130
20200291795
2020-09-17

Wear resistant airfoil tip

#131
20200277873
2020-09-03

Abradable turbomachine element provided with visual wear indicators

#132
20200277872
2020-09-03

Rotor blade for a turbomachine

#133
20200277871
2020-09-03

Non-continuous abradable coatings

#134
20200263307
2020-08-20

Dense abradable coating with brittle and abradable components

#135
20200256206
2020-08-13

Divot pattern for thermal barrier coating

#136
20200256201
2020-08-13

Controlling extent of TBC sheet spall

#137
20200232331
2020-07-23

Method for manufacturing a turbine engine vane made of a composite material, resulting vane and turbine engine including same

#138
20200217209
2020-07-09

Cutting blade tips

#139
20200208532
2020-07-02

Compressor section of gas turbine engine including hybrid shroud with casing treatment and abradable section

#140
20200200034
2020-06-25

Shroud sealing for a gas turbine engine

#141
20200191008
2020-06-18

Additive manufactured integrated rub-strip for attritable engine applications

#142
20200182259
2020-06-11

Grooved shroud casing treatment for high pressure compressor in a turbine engine

#143
20200173299
2020-06-04

CMC honeycomb base for abradable coating on CMC BOAS

#144
20200165932
2020-05-28

Abradable coating for grooved BOAS

#145
20200158023
2020-05-21

Air seal interface with AFT engagement features and active clearance control for a gas turbine engine

#146
20200158022
2020-05-21

Air seal interface with forward engagement features and active clearance control for a gas turbine engine

#147
20200157965
2020-05-21

Mechanical iris tip clearance control

#148
20200157960
2020-05-21

Labyrinth seal with variable tooth heights

#149
20200157953
2020-05-21

COMPOSITE FAN BLADE WITH ABRASIVE TIP

#150
20200149431
2020-05-14

Cost effective manufacturing method for GSAC incorporating a stamped preform

#151
20200149426
2020-05-14

Substrate edge configurations for ceramic coatings

#152
20200141260
2020-05-07

Abradable layer with glass microballoons

#153
20200141259
2020-05-07

METHOD FOR MANUFACTURING SUPERCHARGER COMPRESSOR HOUSING, AND SUPERCHARGER COMPRESSOR HOUSING

#154
20200123922
2020-04-23

Geometrically segmented abradable ceramic thermal barrier coating with improved spallation resistance

#155
20200095882
2020-03-26

Device for sealing between a rotor and a stator of a turbine engine

#156
20200063594
2020-02-27

Duct with additive manufactured seal

#157
20200063593
2020-02-27

ABRADABLE COATING FOR COMPONENTS IN HIGH-TEMPERATURE MECHANICAL SYSTEMS

#158
20200049020
2020-02-13

Abrasive tip blade manufacture methods

#159
20200040743
2020-02-06

Turbomachine cooling trench

#160
20200025017
2020-01-23

Method for manufacturing an annular casing equipping a turbomachine

#161
20200025016
2020-01-23

Coating to improve oxidation and corrosion resistance of abrasive tip system

#162
20200025014
2020-01-23

Seal coating

#163
20200024975
2020-01-23

Turbine abrasive blade tips with improved resistance to oxidation

#164
20200024974
2020-01-23

Environmental barrier multi-phase abradable coating

#165
20200023438
2020-01-23

METHOD FOR PRODUCING A GAS TURBINE COMPONENT

#166
20200018185
2020-01-16

Fan case assembly for gas turbine engine

#167
20200011194
2020-01-09

Aircraft turbine engine sealing module

#168
20200011193
2020-01-09

Rotor for a turbomachine, and turbomachine having such a rotor

#169
20200003225
2020-01-02

Fan blades with abrasive tips

#170
20200003125
2020-01-02

Chemistry based methods of manufacture for MAXMET composite powders

#171
20190360351
2019-11-28

Tapered abradable coatings

#172
20190338650
2019-11-07

TURBINE BLADE SQUEALER TIP INCLUDING INTERNAL SQUEALER TIP COOLING CHANNEL

#173
20190330993
2019-10-31

Gas turbine engine vane end devices

#174
20190309653
2019-10-10

De-icing shroud for a compressor of turbomachine

#175
20190309651
2019-10-10

Abradable coating made of a material having a low surface roughness

#176
20190309643
2019-10-10

AXIAL STIFFENING RIBS/AUGMENTATION FINS

#177
20190301298
2019-10-03

LINER STRUCTURE FROM METALLIC MATERIAL, METHOD FOR MANUFACTURING A LINER STRUCTURE AND COMPONENT WITH A LINER STRUCTURE

#178
20190301291
2019-10-03

Masking method for producing a combination of blade tip hardfacing and erosion-protection coating

#179
20190292931
2019-09-26

CMC blade track with integral abradable

#180
20190242268
2019-08-08

Keystoned blade track

#181
20190242267
2019-08-08

Wear resistant airfoil tip

#182
20190242261
2019-08-08

Wear resistant turbine blade tip

#183
20190234226
2019-08-01

CIRCUMFERENTIAL SEAL

#184
20190234224
2019-08-01

Passageway between a shroud and a rotor platform in a turbine engine

#185
20190226352
2019-07-25

Rotor blade shroud for a turbomachine, rotor blade, method of making a rotor blade shroud and a rotor blade

#186
20190195075
2019-06-27

POLYMER-COATED BLADE WITH ABRASIVE TIP

#187
20190186285
2019-06-20

Capacitance based wear indicator

#188
20190186282
2019-06-20

Assembly forming a labyrinth seal for a turbomachine comprising an abradable material and inclined fins

#189
20190186281
2019-06-20

COMPRESSOR ABRADABLE SEAL WITH IMPROVED SOLID LUBRICANT RETENTION

#190
20190186280
2019-06-20

System and method for minimizing the turbine blade to vane platform overlap gap

#191
20190186278
2019-06-20

Chevron trip strip

#192
20190162074
2019-05-30

Rotatable component for turbomachines, including a non-axisymmetric overhanging portion

#193
20190153884
2019-05-23

Labyrinth seal with variable tooth heights

#194
20190136701
2019-05-09

Wear resistant coating, method of manufacture thereof and articles comprising the same

#195
20190120075
2019-04-25

NEAR NET SHAPE ABRADABLE SEAL MANUFACTURING METHOD

#196
20190120074
2019-04-25

Blade and method for reloading an abradable coating

#197
20190107003
2019-04-11

Seal geometries for reduced leakage in gas turbines and methods of forming

#198
20190100832
2019-04-04

METHOD FOR MANUFACTURING A COATING

#199
20190093499
2019-03-28

NON-CONTINUOUS ABRADABLE COATINGS

#200
20190093498
2019-03-28

Multilayer environmental barrier coating

#201
20190093497
2019-03-28

Low porosity abradable coating

#202
20190093494
2019-03-28

Labyrinth seal for a turbine engine of an aircraft

#203
20190085865
2019-03-21

Turbine engine seal for high erosion environment

#204
20190085713
2019-03-21

Turbine sealing assembly for turbomachinery

#205
20190085712
2019-03-21

Intersage seal assembly for counter rotating turbine

#206
20190063460
2019-02-28

Fan Containment case for gas turbine engines

#207
20190063251
2019-02-28

Low permeability high pressure compressor abradable seal for bare ni airfoils having continuous metal matrix

#208
20190063250
2019-02-28

Turbine blade and method of forming blade tip for eliminating turbine blade tip wear in rubbing

#209
20190054537
2019-02-21

Method for manufacturing a turbine shroud for a turbomachine

#210
20190048803
2019-02-14

Turbine section of high bypass turbofan

#211
20190048454
2019-02-14

Abradable Seal Composition for Turbomachine Compressor

#212
20190047016
2019-02-14

Device for applying abradable material to a surface of a turbine engine casing

#213
20190040761
2019-02-07

Turbine ring sector having an environmental barrier doped with an electrically-conductive element

#214
20190040759
2019-02-07

Electrical resistance wear indicator

#215
20190040756
2019-02-07

Gas turbine engine component with performance feature

#216
20190032504
2019-01-31

Multilayer abradable coatings for high-performance systems

#217
20190032503
2019-01-31

Abradable coatings for high-performance systems

#218
20190024532
2019-01-24

Wear indication sensor designs and methods of integration

#219
20190024526
2019-01-24

Seal anti-rotation feature

#220
20190017446
2019-01-17

Turbine section of high bypass turbofan

#221
20190017445
2019-01-17

Turbine section of high bypass turbofan

#222
20190010820
2019-01-10

Turbomachine sealing ring

#223
20190010818
2019-01-10

Turbine for a turbine engine

#224
20190003486
2019-01-03

Turbine engine seal for high erosion environment

#225
20190003327
2019-01-03

Non-contact seal assembly for rotational equipment

#226
20190001372
2019-01-03

Coating for Lining a Compressor Case

#227
20180371932
2018-12-27

Abradable coating having variable densities

#228
20180371600
2018-12-27

High density bond coat for ceramic or ceramic matrix composites

#229
20180371599
2018-12-27

Alumina seal coating with interlayer

#230
20180363487
2018-12-20

Shroud and method for implementing abradable coating

#231
20180363486
2018-12-20

Turbine tip shroud assembly with plural shroud segments having inter-segment seal arrangement

#232
20180361480
2018-12-20

Abradable coating having variable densities

#233
20180355744
2018-12-13

ABRADABLE STRUCTURE FOR A TURBOMACHINE, TURBOMACHINE HAVING AN ABRADABLE STRUCTURE, AND METHOD FOR MANUFACTURING AN ABRADABLE STRUCTURE

#234
20180355742
2018-12-13

Turbine engine and air-blowing sealing method

#235
20180355735
2018-12-13

Coated gas turbine engine components

#236
20180355732
2018-12-13

Blade tip seal

#237
20180347579
2018-12-06

Sealing system for turbomachine compressor

#238
20180347465
2018-12-06

Systems for reducing deflection of a shroud that retains fan exit stators

#239
20180347390
2018-12-06

Turbine clearance control coatings and method

#240
20180347389
2018-12-06

Aspirating face seal starter tooth abradable pocket

#241
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

#242
20180339373
2018-11-29

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