ClassID:

145498

F05D2250/712 - CPC Classification

Classification description:

Geometry; Shape curved concave

Recent Application in this class:
#1
20260063044
2026-03-05

AIR LEAKAGE RESTRICTOR ARRANGEMENT FOR AN AIRCRAFT POWERPLANT

#2
20260009339
2026-01-08

CANTILEVER STATOR VANE

#3
20250320824
2025-10-16

TURBOMACHINE FOR A FLIGHT PROPULSION DRIVE

#4
20250314201
2025-10-09

TAILORING AIRCRAFT POWERPLANT SPLIT LINE PARAMETER WITH INFLATABLE BLADDER

#5
20250297571
2025-09-25

SYSTEM AND APPARATUS FOR REDUCING BOW WAVES IN GAS TURBINE ENGINES

#6
20240401606
2024-12-05

COMPRESSOR IMPELLER

#7
20240392690
2024-11-28

FAN ASSEMBLIES WITH FAN DISK INSERTS AND METHODS OF ASSEMBLING THE SAME

#8
20240254882
2024-08-01

TURBINE ENGINE WITH REDUCED CROSS FLOW AIRFOILS

#9
20240159155
2024-05-16

Tie for a component

#10
20240084813
2024-03-14

FAN

#11
20230417144
2023-12-28

Turbine blade and gas turbine including the same

#12
20230399950
2023-12-14

Turbine wheel

#13
20230374908
2023-11-23

Vane Forward Rail for Gas Turbine Engine Assembly

#14
20230235679
2023-07-27

Curved beams stacked structures-compliant shrouds

#15
20230212950
2023-07-06

Bathtub damper seal arrangement for gas turbine engine

#16
20230167783
2023-06-01

PROPULSION SYSTEM FOR A GAS TURBINE ENGINE

#17
20230102713
2023-03-30

Method for manufacturing a composite platform for an aircraft turbine engine fan

#18
20230102240
2023-03-30

Turbine blade and turbine

#19
20230068236
2023-03-02

Blade for a rotating bladed disk for an aircraft turbine engine comprising a sealing lip having an optimized non-constant cross section

#20
20230063906
2023-03-02

Planetary gear box

#21
20230054748
2023-02-23

Shaped cavity at interface between journal bearing and rotor

#22
20230046019
2023-02-16

Blade root receptacle for receiving a rotor blade

#23
20230043965
2023-02-09

Integrated bladed rotor

#24
20230036202
2023-02-02

Centrifugal fan

#25
20220333489
2022-10-20

Turbomachine polyspherical hub for variable pitch blades

#26
20220268164
2022-08-25

Intermediate element for a blade/rotor disc connection in a rotor of a turbomachine, associated rotor for a turbomachine, and turbomachine

#27
20220251959
2022-08-11

Rotor blade with blade root contour having a straight portion provided in a concave contour portion

#28
20220243596
2022-08-04

Turbine engine with reduced cross flow airfoils

#29
20220235665
2022-07-28

Turbine vane provided with a recess for embrittlement of a frangible section

#30
20220220854
2022-07-14

Turbine engine with an airfoil having a set of dimples

#31
20220170383
2022-06-02

ENGINE COMPONENT ASSEMBLY

#32
20220162952
2022-05-26

Turbomachine comprising a heat exchanger in the secondary path

#33
20220098988
2022-03-31

Turbine blade trailing edge cooling feed

#34
20220058305
2022-02-24

Modeling method for a fan assembly of an aero engine

#35
20220042518
2022-02-10

Masking bladed disc for reducing the radar signature of a moving compressor moving disc of a jet engine

#36
20210324746
2021-10-21

Tip squealer configurations

#37
20210270147
2021-09-02

Torque limiting device in a connection between a gearbox and a stationary structure in a gas turbine engine and a gas turbine engine

#38
20210262384
2021-08-26

Variable geometry inlet system

#39
20210262358
2021-08-26

Turbine blade

#40
20210254469
2021-08-19

Composite airfoil assembly with separate airfoil, inner band, and outer band

#41
20210239128
2021-08-05

Single suction centrifugal blower

#42
20210239007
2021-08-05

Rounded radial snap configuration for a gas turbine engine cover plate

#43
20210231126
2021-07-29

Centrifugal fan

#44
20210231017
2021-07-29

Engine components with cooling holes having tailored metering and diffuser portions

#45
20210222568
2021-07-22

Turbine rotor blade with platform with non-linear cooling passages by additive manufacture

#46
20210189966
2021-06-24

Acoustic device and gas turbine

#47
20210180462
2021-06-17

Erosion-resistant coating with patterned leading edge

#48
20210164351
2021-06-03

Pre-swirl nozzle carrier and method of manufacturing the same

#49
20210131344
2021-05-06

Nozzle vane

#50
20210131296
2021-05-06

Vane with chevron face

#51
20200386120
2020-12-10

Cooled airfoil, guide vane, and method for manufacturing the airfoil and guide vane

#52
20200362713
2020-11-19

Turbine incorporating endwall fences

#53
20200355081
2020-11-12

Shroud interlock

#54
20200325782
2020-10-15

Internally-cooled turbomachine component

#55
20200256197
2020-08-13

Blade for a gas turbine engine

#56
20200240638
2020-07-30

Film-cooled multi-walled structure with one or more indentations

#57
20200182074
2020-06-11

Turbine nozzle and axial-flow turbine including same

#58
20200166049
2020-05-28

High performance wedge diffusers for compression systems

#59
20200141249
2020-05-07

Compressor aerofoil

#60
20200123913
2020-04-23

Turbomachine blade

#61
20200088046
2020-03-19

Integral half vane, ringcase, and id shroud

#62
20200088043
2020-03-19

Turbine blade of gas turbine having cast tip

#63
20200063753
2020-02-27

Centrifugal compressor and turbocharger

#64
20200025209
2020-01-23

Centrifugal fan

#65
20190390632
2019-12-26

Jet noise suppressor

#66
20190376525
2019-12-12

Radial fan

#67
20190330988
2019-10-31

CMC aerofoil

#68
20190323516
2019-10-24

Impeller and water pump having the same

#69
20190293084
2019-09-26

Fan

#70
20190284938
2019-09-19

Composite airfoil assembly with separate airfoil, inner band, and outer band

#71
20190264575
2019-08-29

Variable nozzle unit and turbocharger

#72
20190249566
2019-08-15

Impingement cooling features for gas turbines

#73
20190234345
2019-08-01

Nozzle of a turbomachine provided with chevrons with a non-axisymmetric inner face

#74
20190153883
2019-05-23

First-stage turbine vane supporting structure and gas turbine including same

#75
20190153612
2019-05-23

Variable geometry inlet system

#76
20190136694
2019-05-09

Impeller, turbocharger, and method for forming flow field for gas in impeller and turbocharger

#77
20190128122
2019-05-02

Asymmetrical shroud for a compressor of a turbine engine

#78
20190128121
2019-05-02

Shroud having elevations, for a turbomachine compressor

#79
20190128118
2019-05-02

Compressor for turbine engine

#80
20190063451
2019-02-28

Heat dissipation blade and heat dissipation fan

#81
20190055851
2019-02-21

Sealing structure for turbines, and turbine and gas turbine having the same

#82
20180298760
2018-10-18

Stator vanes including curved trailing edges

#83
20180266256
2018-09-20

Varying seal rail fillet for turbine blades

#84
20180258947
2018-09-13

AXIAL FAN

#85
20180258770
2018-09-13

High-pressure compressor rotor with leading edge having indent segment

#86
20180238186
2018-08-23

Rainbow flowpath low pressure turbine rotor assembly

#87
20180216571
2018-08-02

VENT NOZZLE SHOCKWAVE CANCELLATION

#88
20180216476
2018-08-02

High-pressure distributor blading having a variable-geometry insert

#89
20180202393
2018-07-19

Device for modulating a gas ejection section

#90
20180085880
2018-03-29

Blade outer air seal surface

#91
20180058472
2018-03-01

FAN CASING ASSEMBLY WITH COOLER AND METHOD OF MOVING

#92
20180058230
2018-03-01

Chamfered stator vane rail

#93
20180023398
2018-01-25

Blade with parallel corrugated surfaces on inner and outer surfaces

#94
20170350255
2017-12-07

Gas turbine engine rotor including squealer tip pocket

#95
20170343111
2017-11-30

Labyrinth seal with lubricant directing projection

#96
20170342847
2017-11-30

Diffuser having shaped vanes

#97
20170335716
2017-11-23

Engine component assembly

#98
20170335691
2017-11-23

Engine components with cooling holes having tailored metering and diffuser portions

#99
20170328220
2017-11-16

Internal rib with defined concave surface curvature for airfoil

#100
20170328211
2017-11-16

Intermediate central passage spanning outer walls aft of airfoil leading edge passage

#101
20170314406
2017-11-02

Guide vane ring for a turbomachine

#102
20170306925
2017-10-26

THREE-VANE DOUBLE ROTOR FOR VERTICAL AXIS TURBINE

#103
20170304974
2017-10-26

HIGH SPEED SPINDLE

#104
20170298954
2017-10-19

Nacelle short inlet

#105
20170298746
2017-10-19

Turbine engine guide vane

#106
20170241275
2017-08-24

Turbine rotor blade

#107
20170234314
2017-08-17

Centrifugal pump with impeller centering and vibration dampening

#108
20170234137
2017-08-17

Gas turbine engine trailing edge ejection holes

#109
20170218776
2017-08-03

Turbine blade attachment curved rib stiffeners

#110
20170218769
2017-08-03

End wall contour for an axial flow turbine stage

#111
20170191766
2017-07-06

Tube thermal coupling assembly

#112
20170191500
2017-07-06

System for an inlet guide vane shroud and baffle assembly

#113
20170175536
2017-06-22

Interior cooling configurations in turbine rotor blades

#114
20170145958
2017-05-25

Gas turbine engine

#115
20170145957
2017-05-25

Compression cowl for jet engine exhaust

#116
20170145917
2017-05-25

Turbine engine flow path

#117
20170145828
2017-05-25

Turbine blade with airfoil tip vortex control

#118
20170138368
2017-05-18

Rotor for gas turbine engine

#119
20170089578
2017-03-30

CMC articles having small complex features for advanced film cooling

#120
20170081979
2017-03-23

Ceramic matrix composite ring shroud retention methods-wiggle strip spring seal

#121
20170074281
2017-03-16

Gas turbine engine blade platform modification

#122
20170074101
2017-03-16

AXIAL TURBO MACHINE

#123
20170044917
2017-02-16

Sealing attachment for a gas turbine engine

#124
20170030201
2017-02-02

Cooling device with small structured rib-dimple hybrid structures

#125
20170009587
2017-01-12

METHOD FOR GENERATING AN AIRFOIL INCLUDING AN AERODYNAMICALLY-SHAPED FILLET AND AIRFOILS INCLUDING THE AERODYNAMICALLY-SHAPED FILLET

#126
20160348585
2016-12-01

Turbofan bypass air cooled oil cooler fairings

#127
20160341072
2016-11-24

Heat shield for mixed flow turbine wheel turbochargers

#128
20160333707
2016-11-17

TURBO ENGINE ROTOR COMPRISING A BLADE-SHAFT CONNECTION MEANS, AND BLADE FOR SAID ROTOR

#129
20160273771
2016-09-22

Film cooled multi-walled structure with one or more indentations

#130
20160258302
2016-09-08

AIRFOIL AND METHOD FOR MANAGING PRESSURE AT TIP OF AIRFOIL

#131
20160252101
2016-09-01

CENTRIFUGAL COMPRESSOR IMPELLER WITH BLADES HAVING AN S-SHAPED TRAILING EDGE

#132
20160244178
2016-08-25

Alignment system for exhaust installation

#133
20160237845
2016-08-18

Variable area vane endwall treatments

#134
20160237837
2016-08-18

Endwall countouring trench

#135
20160230575
2016-08-11

Stator vane with platform having sloped face

#136
20160222824
2016-08-04

COOLED AIRFOIL, GUIDE VANE, AND METHOD FOR MANUFACTURING THE AIRFOIL AND GUIDE VANE

#137
20160215788
2016-07-28

Gas turbine axial compressor

#138
20160201511
2016-07-14

Shielding pockets for case holes

#139
20160201468
2016-07-14

TURBINE AIRFOIL

#140
20160186574
2016-06-30

INTERIOR COOLING CHANNELS IN TURBINE BLADES

#141
20160169007
2016-06-16

Apparatus having engineered surface feature and method to reduce wear and friction between CMC-to-metal attachment and interface

#142
20160160797
2016-06-09

Nozzle of a turbomachine provided with chevrons with a non-axisymmetric inner face

#143
20160138608
2016-05-19

Centrifugal compressor and turbocharger

#144
20160130977
2016-05-12

Turbine rotor segmented sideplates with anti-rotation

#145
20160069198
2016-03-10

Casting optimized to improve suction side cooling shaped hole performance

#146
20160053683
2016-02-25

Variable geometry inlet system

#147
20160040627
2016-02-11

Aerodynamic track fairing for a gas turbine engine fan nacelle

#148
20160032727
2016-02-04

Rotor blade with a conic spline fillet at an intersection between a platform and a neck

#149
20160017806
2016-01-21

Gas turbine engine component having shaped pedestals

#150
20160017727
2016-01-21

Fan blade dovetail and spacer

#151
20160017715
2016-01-21

Fan exit guide vane platform contouring

#152
20160010656
2016-01-14

Fan, molding die, and fluid feeder

#153
20160003256
2016-01-07

Fan, molding die, and fluid feeder

#154
20160003082
2016-01-07

Contoured blade outer air seal for a gas turbine engine

#155
20150285080
2015-10-08

Gas turbine blade

#156
20150247407
2015-09-03

Power turbine blade airfoil profile

#157
20150204195
2015-07-23

Rotor of an exhaust gas turbocharger

#158
20150184525
2015-07-02

Structural configurations and cooling circuits in turbine blades

#159
20150184524
2015-07-02

Turbine airfoil with an internal cooling system having trip strips with reduced pressure drop

#160
20150184523
2015-07-02

Structural configurations and cooling circuits in turbine blades

#161
20150184522
2015-07-02

Structural configurations and cooling circuits in turbine blades

#162
20150184521
2015-07-02

Structural configurations and cooling circuits in turbine blades

#163
20150184520
2015-07-02

Interior cooling circuits in turbine blades

#164
20150184519
2015-07-02

Structural configurations and cooling circuits in turbine blades

#165
20150152745
2015-06-04

Stator casing cooling system

#166
20150139790
2015-05-21

Steam turbine nozzle segment having transitional interface, and nozzle assembly and steam turbine including such nozzle segment

#167
20150118061
2015-04-30

Radial compressor

#168
20150104296
2015-04-16

Variable geometry turbocharger

#169
20150075179
2015-03-19

Systems and methods for modifying a pressure side on an airfoil about a trailing edge

#170
20150050150
2015-02-19

Annulus filler

#171
20150044038
2015-02-12

Blade cascade and turbomachine

#172
20150023800
2015-01-22

Turbomachine assembly alleviating stresses at turbine discs

#173
20150003988
2015-01-01

Turbomachine rotor blade

#174
20140321998
2014-10-30

Housing section of a turbine engine compressor stage or turbine engine turbine stage

#175
20140271158
2014-09-18

Compressor stator with contoured endwall

#176
20140260178
2014-09-18

Aerodynamically active stiffening feature for gas turbine recuperator

#177
20140227087
2014-08-14

Blade outer air seal surface

#178
20140154073
2014-06-05

Apparatus having engineered surface feature and method to reduce wear and friction between CMC-to-metal attachment and interface

#179
20140119929
2014-05-01

Rotor blade for a turbomachine and turbomachine

#180
20140090401
2014-04-03

Endwall contouring

#181
20140090380
2014-04-03

Endwall contouring

#182
20140017089
2014-01-16

Airfoil

#183
20130259670
2013-10-03

Flow path structure and gas turbine exhaust diffuser

#184
20130251520
2013-09-26

Scalloped surface turbine stage

#185
20130224036
2013-08-29

Turbine engine rotor blade groove

#186
20130224026
2013-08-29

Seals for rotary devices and methods of producing the same

#187
20130216389
2013-08-22

Interlaminar stress reducing configuration for composite turbine components

#188
20130209246
2013-08-15

Gas turbine annular diffusor

#189
20130156583
2013-06-20

Airfoils including tip profile for noise reduction and method for fabricating same

#190
20130156556
2013-06-20

Low-ductility turbine shroud

#191
20130078106
2013-03-28

Fan blade channel termination

#192
20130051992
2013-02-28

Turbine disc sealing assembly

#193
20130028749
2013-01-31

Guide blade of a turbomachine

#194
20130004329
2013-01-03

Fan, molding die, and fluid feeder

#195
20120275911
2012-11-01

Gas turbine stator vane

#196
20120269638
2012-10-25

Compressor having blade tip features

#197
20120230834
2012-09-13

Compressor blade for an axial compressor

#198
20120201692
2012-08-09

Rotor of a turbomachine compressor, with an optimised inner end wall

#199
20120128470
2012-05-24

Self-actuating bleed valve for a gas turbine engine

#200
20120109593
2012-05-03

Gas turbine engine with variable area fan nozzle

#201
20120063914
2012-03-15

Low-pressure turbine

#202
20110280728
2011-11-17

RADIAL FLOW TURBINE WHEEL FOR A GAS TURBINE ENGINE

#203
20110280715
2011-11-17

CURVED LABYRINTH SEALS

#204
20110252804
2011-10-20

Method and system for providing a splitter to improve the recovery of compressor discharge casing

#205
20110200430
2011-08-18

STEAM TURBINE NOZZLE SEGMENT HAVING ARCUATE INTERFACE

#206
20110176930
2011-07-21

Turbine vane for a gas turbine and casting core for the production of such

#207
20110150635
2011-06-23

Seal and seal arrangement for confining leakage flows between adjacent components of turbo-machines and gas turbines

#208
20110142650
2011-06-16

Turbine blade damping device with controlled loading

#209
20110033312
2011-02-10

Compound cooling flow turbulator for turbine component

#210
20110010937
2011-01-20

Method of manufacturing a turbine fan blade

#211
20110000981
2011-01-06

Injection head, mixing space and power unit

#212
20100319352
2010-12-23

Prechorded turbine nozzle

#213
20100221122
2010-09-02

Flared tip turbine blade

#214
20100215299
2010-08-26

Oiling nozzle for thrust bearing

#215
20100158683
2010-06-24

Exhaust gas discharge system and plenum

#216
20100124495
2010-05-20

Turbine engine rotor hub

#217
20100107597
2010-05-06

Method for reducing sound output at the back of a turbo engine and turbo engine improved by this method

#218
20100098548
2010-04-22

Mixed flow turbine or radial turbine

#219
20100038476
2010-02-18

Device that makes it possible to improve the effectiveness of the acoustic treatments in a pipe of an aircraft power plant

#220
20090202358
2009-08-13

Blade with a cooling groove for a bladed wheel of a turbomachine

#221
20090202338
2009-08-13

Blade for a flow machine

#222
20090191052
2009-07-30

Exhaust gas diffuser wall contouring

#223
20090165299
2009-07-02

Method of manufacturing a turbine fan blade

#224
20090067997
2009-03-12

Gas turbine engine with canted pocket and canted knife edge seal

#225
20080199317
2008-08-21

Local indented trailing edge heat transfer devices

#226
20080131267
2008-06-05

Variable nozzle turbocharger

#227
20080124215
2008-05-29

Gas turbine engine with concave pocket with knife edge seal

#228
20080118348
2008-05-22

Turbofan gas turbine engine and nacelle arrangement

#229
20080101960
2008-05-01

Blades

#230
20080044289
2008-02-21

Tip ramp turbine blade

#231
20080031724
2008-02-07

Turbo machine with a rotor which has at least one rotor disk with a bore

#232
20070258809
2007-11-08

Multi-layer ring seal

#233
20070243068
2007-10-18

Tip cambered swept blade

#234
20070237644
2007-10-11

Turbine rotor and turbine blade

#235
20070140848
2007-06-21

Cooled turbine blade

#236
20070122282
2007-05-31

Central cooling circuit for a moving blade of a turbomachine

#237
20070120011
2007-05-31

Active multistable twisting device

#238
20070086886
2007-04-19

Variable nozzle for a gas turbine

#239
20070059182
2007-03-15

Turbine airfoil with curved squealer tip

#240
20070059173
2007-03-15

Turbine airfoil curved squealer tip with tip shelf

#241
20070020102
2007-01-25

Gas turbine blade or vane and platform element for a gas turbine blade or vane ring of a gas turbine, supporting structure for securing gas turbine blades or vanes arranged in a ring, gas turbine blade or vane ring and the use of a gas turbine blade or vane ring

#242
20060269419
2006-11-30

Turbine blade trailing edge construction

#243
20060269410
2006-11-30

Turbine blade cooling system

#244
20060263213
2006-11-23

Steep angle turbine cover buckets having relief grooves

#245
20060233641
2006-10-19

Crescentic ramp turbine stage

#246
20060193721
2006-08-31

Turbomachine inner casing fitted with a heat shield

#247
20060140768
2006-06-29

Scalloped surface turbine stage

#248
20060099070
2006-05-11

Turbine engine disk spacers

#249
20060062667
2006-03-23

Control lever for the angular setting of a stator blade in a turboshaft engine

#250
20050186079
2005-08-25

Gas turbine tip shroud rails

#251
20050111981
2005-05-26

Turbine blade with impingement cooling

#252
20050106013
2005-05-19

Profiled blades for turbocharger turbines, compressors, and the like

#253
20050025627
2005-02-03

Contoured disk bore

#254
20050022502
2005-02-03

Device for mixing two flows of fluid which are initially guided separate from one another in a bypass jet engine

#255
18990597
2025-10-14

Turbine case structure for an aircraft propulsion system engine

#256
18952609
2026-01-27

Self-stabilizing turbine and steam-driven turbine assembly using the same

#257
18155144
2023-12-19

Turbine nozzle with dust tolerant impingement cooling

#258
18058670
2023-10-10

Water pump and manufacturing method thereof