ClassID:

145274

F05D2220/321 - CPC Classification

Classification description:

Application in turbines in gas turbines for a special turbine stage

Sub-classes:
Recent Application in this class:
#1
20250320832
2025-10-16

MACHINE LEARNED AERO-THERMODYNAMIC ENGINE INLET CONDITION SYNTHESIS

#2
20250243801
2025-07-31

Combustion System with Pollution Abatement by Catalysts and Non-Thermal Plasma for Aircraft and Industrial Gas Turbines

#3
20240392685
2024-11-28

BOWED-ROTOR-RESISTANT LOW SHAFT

#4
20240318562
2024-09-26

TURBINE TIP SHROUD REMOVAL FEATURE

#5
20230184118
2023-06-15

TURBINE TIP SHROUD REMOVAL FEATURE

#6
20230021707
2023-01-26

TURBINE COMPONENT WITH A THIN INTERIOR PARTITION

#7
20210239010
2021-08-05

Engine inspection and maintenance tool

#8
20210025279
2021-01-28

Turbine blade and gas turbine

#9
20200291813
2020-09-17

Pressure relief door rotating exhaust deflector

#10
20200271061
2020-08-27

Hybrid gas turbine engine control system

#11
20200248622
2020-08-06

Machine learned aero-thermodynamic engine inlet condition synthesis

#12
20200165931
2020-05-28

Hydrostatic seal with non-parallel beams for anti-tipping

#13
20200116027
2020-04-16

Frangible gas turbine engine airfoil with chord reduction

#14
20200102847
2020-04-02

Reduced leakage air seal

#15
20200024996
2020-01-23

Separable turbine vane stage

#16
20200024951
2020-01-23

COMPONENT FOR A TURBINE ENGINE WITH A COOLING HOLE

#17
20190383154
2019-12-19

Airfoil for a turbo machine

#18
20190292920
2019-09-26

Turbine component with a thin interior partition

#19
20190112938
2019-04-18

Rotor disk assembly for gas turbine

#20
20190063242
2019-02-28

Power turbine vane airfoil profile

#21
20190063224
2019-02-28

Gas turbine rotor, gas turbine, and gas turbine equipment

#22
20190040761
2019-02-07

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

#23
20190017412
2019-01-17

Flow metering and retention system

#24
20180340469
2018-11-29

Interdigitated turbine engine air bearing and method of operation

#25
20180320538
2018-11-08

Turbine nozzle airfoil profile

#26
20180300191
2018-10-18

Fault-accommodating, constrained model-based control using on-board methods for detection of and adaption to actuation subsystem faults

#27
20180216469
2018-08-02

Turbomachine rotor blade

#28
20180209336
2018-07-26

Three spool gas turbine engine with interdigitated turbine section

#29
20170292383
2017-10-12

Blade

#30
20170152748
2017-06-01

Turbine blade with sectioned pins and method of making same

#31
20170059164
2017-03-02

GAS TURBINE WITH A SEQUENTIAL COMBUSTION ARRAGEMENT AND FUEL COMPOSITION CONTROL

#32
20160251977
2016-09-01

System for braking a low pressure spool in a gas turbine engine

#33
20160245120
2016-08-25

METHOD FOR PRODUCING A COMPONENT, AND THE CORRESPONDING COMPONENT

#34
20160146020
2016-05-26

BRAZING METHOD FOR REINFORCING THE Z-NOTCH OF TiAl BLADES

#35
20140255177
2014-09-11

Outboard insertion system of variable guide vanes or stationary vanes

#36
20140241854
2014-08-28

Active turbine or compressor tip clearance control

#37
20140205448
2014-07-24

Exhaust diffuser and method for manufacturing an exhaust diffuser

#38
20140174052
2014-06-26

Exhaust diffuser and method for manufacturing an exhaust diffuser

#39
20140020395
2014-01-23

Method for modifying gas turbine performance

#40
20130260950
2013-10-03

Aircraft accessory drive multiple speed transmission

#41
20130195641
2013-08-01

Vane assembly for an axial flow turbine

#42
20130195624
2013-08-01

GEARED TURBOFAN ENGINE WITH COUNTER-ROTATING SHAFTS

#43
20120020806
2012-01-26

Optimized aerodynamic profile for a turbine vane, in particular for a nozzle of the fourth stage of a turbine

#44
20120020805
2012-01-26

Reverse cavity blade for a gas turbine engine

#45
20110189003
2011-08-04

Gas turbine

#46
20100293963
2010-11-25

Two-Shaft Gas Turbine

#47
20100061836
2010-03-11

Process for producing a turbine blade or vane with an oxide on a metallic layer, use of such a turbine blade or vane, a turbine and a method for operating a turbine

#48
20100040475
2010-02-18

Optimized aerodynamic profile for a turbine blade

#49
20090263251
2009-10-22

Reduced weight blade for a gas turbine engine

#50
20090223202
2009-09-10

Two-shaft gas turbine

#51
20090148271
2009-06-11

Bearing mounting system in a low pressure turbine

#52
20090097982
2009-04-16

Compressor turbine blade airfoil profile

#53
20080118361
2008-05-22

HP turbine vane airfoil profile

#54
20080118360
2008-05-22

LP turbine vane airfoil profile

#55
20070183896
2007-08-09

Second stage turbine airfoil

#56
20070183895
2007-08-09

Third stage turbine airfoil

#57
20070125092
2007-06-07

Variable motive nozzle ejector for use with turbine engines

#58
20060093470
2006-05-04

Turbine distributor part supplied with cooling air

#59
20060045730
2006-03-02

Lightweight annular interturbine duct

#60
20050247044
2005-11-10

High efficiency rotor for the second phase of a gas turbine

#61
20050175461
2005-08-11

Advanced firtree and broach slot forms for turbine stage 3 buckets and rotor wheels

#62
20050129507
2005-06-16

Arrangement for bearing relief in a gas turbine

#63
18399845
2024-09-17

Axial fuel stage immersed injectors with internal cooling

#64
17031221
2023-09-26

Gas turbine engine airfoil frequency design

#65
15871197
2020-09-08

Gas turbine engine airfoil frequency design

#66
15869482
2020-06-30

Gas turbine engine airfoil frequency design

#67
15869445
2020-06-02

Gas turbine engine airfoil frequency design

#68
15869148
2020-10-13

Gas turbine engine airfoil frequency design