ClassID:

145407

F05D2240/61 - CPC Classification

Classification description:

Components; Shafts Hollow

Recent Application in this class:
#1
20260125983
2026-05-07

SHAFT ASSEMBLY FOR A GAS TURBINE ENGINE

#2
20250154903
2025-05-15

JET ENGINE

#3
20250059919
2025-02-20

AIRCRAFT TURBOMACHINE WITH MECHANICAL REDUCTION GEAR

#4
20240392727
2024-11-28

Aircraft powerplant rotating assembly with sacrificial anode(s)

#5
20240392685
2024-11-28

BOWED-ROTOR-RESISTANT LOW SHAFT

#6
20240255018
2024-08-01

METAL PLATED ADDITIVELY MANUFACTURED PLASTIC SHAFTS AND THEIR METHOD OF MANUFACTURING

#7
20240238832
2024-07-18

Internal surface treatment device for hollow engine shaft and the like

#8
20240238831
2024-07-18

Internal surface treatment device for hollow engine shaft and the like

#9
20240151158
2024-05-09

BEARING SUPPORT ASSEMBLY

#10
20240117770
2024-04-11

Midshaft rating for turbomachine engines

#11
20240003303
2024-01-04

MODULARITY OF AN AIRCRAFT TURBOMACHINE

#12
20230399978
2023-12-14

Turbine engine shaft plug

#13
20230250734
2023-08-10

Balancing device for supercritical shaft

#14
20230235704
2023-07-27

Air starter with offset interface

#15
20230160346
2023-05-25

Midshaft rating for turbomachine engines

#16
20230077144
2023-03-09

Gas turbine engine shaft with lobed support structure

#17
20230061131
2023-03-02

Bearing support assembly

#18
20230044553
2023-02-09

Impeller rotor configured with wear resistant seal land

#19
20230025047
2023-01-26

Apparatus for oil lubrication of a rotationally fixed connection between two shafts

#20
20230003225
2023-01-05

Rotor structure for a turbomachine with venting/sealing arrangement in tie bolt

#21
20220389874
2022-12-08

ASSEMBLY FOR A TURBINE ENGINE

#22
20220372917
2022-11-24

Midshaft rating for turbomachine engines

#23
20220213899
2022-07-07

Blower

#24
20220178304
2022-06-09

Centralized oil distribution system

#25
20220178273
2022-06-09

Curvilinear coupling for aircraft turbomachinery

#26
20220170474
2022-06-02

Pump device comprising a radial bearing

#27
20220074407
2022-03-10

Vacuum pump including levitated magnetic bearing

#28
20220034228
2022-02-03

Turbomachine rotor

#29
20220018288
2022-01-20

Air starter with offset interface

#30
20210381435
2021-12-09

Power transmission system and gas turbine engine comprising the same

#31
20210381381
2021-12-09

Turbine engine rotor with flexibly coupled tie bolt

#32
20210348512
2021-11-11

Turbine rotor with bolt fastening arrangement and passages

#33
20210340911
2021-11-04

Thermal management of a gas turbine engine shaft

#34
20210293184
2021-09-23

Decoupler for engine starter

#35
20210262391
2021-08-26

Gas turbine engine with fuel-cooled turbine

#36
20210087944
2021-03-25

Geared gas turbine engine with gear driving low pressure compressor and fan at a common speed and a shear section to provide overspeed protection

#37
20210017870
2021-01-21

Curvic Seal for Gas Turbine Engine

#38
20200370445
2020-11-26

Cover for rotatable shaft of gas turbine engine

#39
20200291781
2020-09-17

Tie shaft assembly for a gas turbine engine

#40
20200259398
2020-08-13

Dual fluid rotating shaft

#41
20200259396
2020-08-13

Dual fluid rotating shaft

#42
20200208539
2020-07-02

Center vent tube support device of turbofan engine

#43
20200200236
2020-06-25

Planetary gearbox and method for assembling a planetary gearbox

#44
20200072168
2020-03-05

Exhaust-gas turbocharger

#45
20190383292
2019-12-19

Pump assembly having an axial flux electric motor

#46
20190368419
2019-12-05

Thermal management of a gas turbine engine shaft

#47
20190346046
2019-11-14

Intershaft seal assembly

#48
20190338644
2019-11-07

Drive Shaft

#49
20190249720
2019-08-15

DRIVESHAFT

#50
20190178163
2019-06-13

Turbocharger for vehicle

#51
20190178085
2019-06-13

Gas turbine engine

#52
20190145276
2019-05-16

Inter-shaft bearing arrangement

#53
20190136764
2019-05-09

Power transmission system and gas turbine engine comprising the same

#54
20190063313
2019-02-28

Disc Turbine Engine

#55
20190048825
2019-02-14

Turbine fan system and method

#56
20190038999
2019-02-07

Deaerator shaft with attachment surfaces

#57
20190032511
2019-01-31

Arrangement, turbo engine and method for the recognition of a shaft breakage of a shaft

#58
20180371942
2018-12-27

Elliptical slot with shielding holes

#59
20180371594
2018-12-27

Solid-state welding of coarse grain powder metallurgy nickel-based superalloys

#60
20180335077
2018-11-22

SHAFT AND METHOD FOR MANUFACTURING A SHAFT

#61
20180320547
2018-11-08

ROTATABLE SHAFT WITH OIL MANAGEMENT FEATURE

#62
20180320543
2018-11-08

Power transmission system for turbine, a turbocharger, a compressor, or a pump

#63
20180306115
2018-10-25

JET ENGINE WITH A COOLING DEVICE

#64
20180298775
2018-10-18

Dry gas sealing system, and turbomachine comprising a dry gas sealing system

#65
20180283206
2018-10-04

Mitigation of effects of fan blade off in a gas turbine engine

#66
20180274443
2018-09-27

Gas Turbine Engine

#67
20180266274
2018-09-20

Inter-shaft bearing arrangement

#68
20180223739
2018-08-09

Turbine rotor with low over-speed requirements

#69
20180180185
2018-06-28

Intershaft seal assembly

#70
20180128180
2018-05-10

Support providing a complete connection between a turbine shaft and a degassing pipe of a turbojet

#71
20180030901
2018-02-01

Sun gear drive arrangement

#72
20180023482
2018-01-25

Turbine shaft power take-off

#73
20180023481
2018-01-25

Multi-spool gas turbine engine architecture

#74
20180023480
2018-01-25

Multi-spool gas turbine engine architecture

#75
20180023471
2018-01-25

Gas turbine engine shaft architecture and associated method of disassembly

#76
20180023470
2018-01-25

Gear train architecture for a multi-spool gas turbine engine

#77
20180016937
2018-01-18

Gas turbine and method for protecting a gas turbine in case of a shaft break

#78
20170342848
2017-11-30

Intershaft sealing systems for gas turbine engines and methods for assembling the same

#79
20170335759
2017-11-23

Hollow filled turbocharger rotor shaft

#80
20170254213
2017-09-07

Turbomachine shaft

#81
20170227067
2017-08-10

Clutch coupled to gas turbine engine and method for cooling

#82
20170218766
2017-08-03

Center vent tube aligning mechanism and center vent tube support device

#83
20170191416
2017-07-06

Jet engine

#84
20170191369
2017-07-06

Curvic seal for gas turbine engine

#85
20170159663
2017-06-08

Coreless donut-type motor fan for ventilation and cooling

#86
20170122205
2017-05-04

Differential gas bearing for aircraft engines

#87
20170114835
2017-04-27

Power transmission device

#88
20170107822
2017-04-20

Gas turbine cooling apparatus

#89
20170016452
2017-01-19

Turbo machine

#90
20170016397
2017-01-19

Gas turbine compressing cooling system provided with cooling air supply paths around outer casing

#91
20170002824
2017-01-05

Turbo machine and refrigerating cycle apparatus

#92
20160376890
2016-12-29

Turbine

#93
20160363171
2016-12-15

Gas turbine arrangement

#94
20160326876
2016-11-10

Turbine engine balancing structure and method

#95
20160281207
2016-09-29

Plasma nitriding apparatus

#96
20160273386
2016-09-22

Zero or low leakage oil transfer bearing

#97
20160271525
2016-09-22

Deaerator shaft with attachment surfaces

#98
20160230560
2016-08-11

Gas turbine engines with internally stretched tie shafts

#99
20160195110
2016-07-07

ROTOR FOR A THERMAL TURBOMACHINE

#100
20160186570
2016-06-30

Superconducting power shaft core

#101
20160177831
2016-06-23

Cooling-air supply device for a gas turbine

#102
20160146011
2016-05-26

System for painting a splayed end of a hollow shaft on a rotary paint bench

#103
20160097292
2016-04-07

Gas turbine having at least two shafts designed as hollow shafts at least in some areas and arranged coaxially relative to one another

#104
20160032769
2016-02-04

Oil transfer passage arrangement for a shaft of a gas turbine engine

#105
20150330243
2015-11-19

Device for sealing between the coaxial shafts of a turbomachine

#106
20150050160
2015-02-19

Rotor shaft for a turbomachine

#107
20150047369
2015-02-19

Fixed turbine engine receiver part comprising an assembly for holding ancillary systems in position inside a fixed hollow shaft

#108
20150041274
2015-02-12

Clutch coupled to gas turbine engine and method for cooling

#109
20140141894
2014-05-22

Shaft of a gas-turbine engine, in particular a radial shaft or a shaft arranged at an angle to the machine axis

#110
20130274022
2013-10-17

Air bearing shaft for ram air fan

#111
20130192259
2013-08-01

Turbine engine monitoring system

#112
20130177390
2013-07-11

Turbine engine shaft

#113
20130071229
2013-03-21

Plug device for gas turbine engine shaft

#114
20130008550
2013-01-10

Turbojet venting pipe, method for mounting one such pipe and turbojet provided with one such pipe

#115
20110293357
2011-12-01

Shrink disk connection for a wind turbine

#116
20110033303
2011-02-10

Turbomachine compressor rotor including centripetal air bleed means

#117
20100281875
2010-11-11

Dynamic control of a gas turbine engine compressor during rapid transients

#118
20100201128
2010-08-12

Wind turbine, a method for coupling a first drive train component of the drive train of a wind turbine to a second drive train component of the drive train and use of a wind turbine

#119
20100183439
2010-07-22

Systems, methods, and apparatus for controlling gas leakage in a turbine

#120
20100158725
2010-06-24

Rotary pump with a fixed shaft

#121
20100113171
2010-05-06

Engine shaft in the form of a fiber-composite plastic tube with metallic driving and driven protrusions

#122
20100113170
2010-05-06

Engine shaft for a gas-turbine engine

#123
20100109184
2010-05-06

METHOD FOR THE MANUFACTURE OF AN ENGINE SHAFT

#124
20090324386
2009-12-31

Gas turbine

#125
20090282679
2009-11-19

Centering a part inside a shaft

#126
20090263253
2009-10-22

Engine components and rotor groups

#127
20090196734
2009-08-06

Turbo vacuum pump

#128
20090123269
2009-05-14

Device for detecting breakage of a turbomachine shaft

#129
20090092492
2009-04-09

Balancing group for the rotor of a fluid rotary machine

#130
20080202082
2008-08-28

De-oiler system for an aircraft engine

#131
20050287006
2005-12-29

Device and method for detachably connecting an impeller to a shaft

#132
20050025627
2005-02-03

Contoured disk bore

#133
18926960
2025-11-11

Stress redistribution system for threaded connection of a gas turbine engine spool

#134
18382671
2025-01-21

Bearing oil distribution scheme

#135
16052029
2019-11-05

Turbocharger shafts with integrated cooling fans and turbochargers comprising the same

#136
15209383
2019-01-15

Convertible ducted fan engine