ClassID:

145551

F05D2260/4023 - CPC Classification

Classification description:

Function; Transmission of power through friction drives through a friction clutch

Recent Application in this class:
#1
20260092558
2026-04-02

Combined Energy Storage Turbine and Simple Cycle Peaker System

#2
20260043356
2026-02-12

Transmission Systems to Selectively Transfer Power of a Turbine Engine

#3
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2026-02-12

System to Selectively Transfer Power of a Turbine Engine

#4
20260028919
2026-01-29

LUBRICATION SYSTEM FOR A TURBINE ENGINE

#5
20250376949
2025-12-11

INTEGRAL TURBINE WHEEL TO CLUTCH

#6
20250264009
2025-08-21

MULTI-SPEED TURBINE REDUCTION GEARBOX SYSTEM AND METHOD

#7
20250122841
2025-04-17

LUBRICATION SYSTEM FOR AIRCRAFT POWERPLANT AND CLUTCH SYSTEM

#8
20250122834
2025-04-17

Aircraft power system module with integral lubricant reservoir

#9
20250116207
2025-04-10

LUBRICATION SYSTEM FOR A TURBINE ENGINE

#10
20250043670
2025-02-06

NEUTRAL TURBINE GEARBOX SYSTEM AND METHOD

#11
20240426250
2024-12-26

UNIDIRECTIONAL FAN BRAKE FOR A GAS TURBINE ENGINE

#12
20240369022
2024-11-07

TORQUE EXTRACTION SYSTEMS, TURBINE ENGINES, AND METHODS FOR EXTRACTING TORQUE FROM TURBINE ENGINES

#13
20240328328
2024-10-03

ELECTRIC MACHINE ASSEMBLY FOR A TURBINE ENGINE

#14
20240191875
2024-06-13

MICRO-TURBINE GAS GENERATOR AND PROPULSIVE SYSTEM

#15
20240076974
2024-03-07

Multi-speed turbine reduction gearbox system and method

#16
20240053017
2024-02-15

MICRO-TURBINE GAS GENERATOR AND PROPULSIVE SYSTEM

#17
20240035417
2024-02-01

SHAFT COUPLE FOR RAPID START

#18
20230407795
2023-12-21

Shaft power transfer for a multi spool gas turbine engine

#19
20230323817
2023-10-12

Multi-speed transmission to control variable APU speed and constant generator output frequency

#20
20230304446
2023-09-28

SYSTEM AND METHOD FOR USE WITH GAS TURBINE ENGINE

#21
20230193776
2023-06-22

Variable speed pumping system with electric pump motor generator

#22
20230175444
2023-06-08

System and method of operating multi-engine system

#23
20230139271
2023-05-04

Multi-speed turbine reduction gearbox system and method

#24
20230132364
2023-04-27

ELECTRIC MACHINE ASSEMBLY FOR A TURBINE ENGINE

#25
20230076951
2023-03-09

ELECTRICALLY DRIVEN REDUNDANT FUEL AND OIL PUMPING SYSTEM FOR GAS TURBINE ENGINES

#26
20230063511
2023-03-02

Combined Energy Storage Turbine and Simple Cycle Peaker System

#27
20230034946
2023-02-02

Multi-engine system and power transfer between engines thereof

#28
20220352836
2022-11-03

AIRCRAFT ENGINE SYSTEM INCLUDING A CLUTCH AND MOTOR CONTROLLER FOR SELECTIVELY CONNECTING A GENERATOR AND A TURBINE ENGINE

#29
20220349349
2022-11-03

SINGLE DRIVE, DUAL CLUTCH DRIVE SYSTEM FOR AN AIRCRAFT ACCESSORY

#30
20220298925
2022-09-22

Gas turbine generator

#31
20220289398
2022-09-15

TURBOSHAFT ENGINE CLUTCH CONFIGURATION

#32
20220195884
2022-06-23

Systems and methods for providing mechanical power to an aircraft accessory with a turbine engine

#33
20220136402
2022-05-05

Electric machine assembly for a turbine engine

#34
20220099097
2022-03-31

Pumping device for vehicle seat

#35
20220098995
2022-03-31

GAS-TURBINE-ENGINE OVERSPEED PROTECTION SYSTEM

#36
20210404389
2021-12-30

Turbomachine dual spool transmission systems

#37
20210293184
2021-09-23

Decoupler for engine starter

#38
20210215102
2021-07-15

Gas turbine power generation system

#39
20210131338
2021-05-06

Fluidic turbo heater system

#40
20210108568
2021-04-15

Gas turbine engine turning system

#41
20210095579
2021-04-01

Plant control apparatus, plant control method and power generation plant

#42
20210033030
2021-02-04

Aircraft engine generator disconnect device

#43
20200400078
2020-12-24

Gearbox for boost spool turbine engine

#44
20200362922
2020-11-19

Electromagnetic clutch for gas turbine accessories

#45
20200325816
2020-10-15

INTERNAL COMBUSTION ENGINE EXHAUST PIPE FLUIDIC PURGER SYSTEM

#46
20200300166
2020-09-24

MICRO-TURBINE GAS GENERATOR AND PROPULSIVE SYSTEM

#47
20200291819
2020-09-17

Bowed rotor prevention system for turbomachinery

#48
20200224592
2020-07-16

Gas turbine engine with intercooled cooling air and turbine drive

#49
20200141452
2020-05-07

Mechanical shear fuse for engine motoring system

#50
20200141314
2020-05-07

GAS TURBINE ENGINE

#51
20200123983
2020-04-23

Air turbine starter with decoupler

#52
20200116041
2020-04-16

Gas turbine engine with low pressure compressor stages

#53
20200040848
2020-02-06

Adaptive engine with boost spool

#54
20190218977
2019-07-18

Systems and methods of low spool power extraction

#55
20190186289
2019-06-20

Structure and method to mitigate rotor bow in turbine engine

#56
20190153948
2019-05-23

Combustor for a micro-turbine gas generator

#57
20190055999
2019-02-21

Mechanical clutch device and method for operating a mechanical clutch device

#58
20190039454
2019-02-07

Automatic transmission

#59
20190024584
2019-01-24

Reverse core gear turbofan

#60
20190017436
2019-01-17

Clutched compressor section for gas turbine engine

#61
20180355922
2018-12-13

Lift fan clutch plate for preventing blade tilt

#62
20180328289
2018-11-15

Geared gas turbine engine

#63
20180283468
2018-10-04

Clutch device for gas turbine engines

#64
20180202310
2018-07-19

Gas turbine engine dual towershaft accessory gearbox and starter generator assembly

#65
20180163558
2018-06-14

Hybrid-electric drive system

#66
20180128184
2018-05-10

High-speed section disconnect for driven turbocharger

#67
20180112723
2018-04-26

Shaft decoupler for electric generator

#68
20180087396
2018-03-29

Embedded electric machine

#69
20180080387
2018-03-22

Gas turbine engine with a geared turbofan arrangement

#70
20180080383
2018-03-22

Gas turbine engine with intercooled cooling air and turbine drive

#71
20180073384
2018-03-15

Aircraft turbine engine with planetary or epicyclic gear train

#72
20180030900
2018-02-01

Air Turbine Starter with Integrated Motor for Main Engine Cooling

#73
20180010648
2018-01-11

Mechanical shear fuse for engine motoring system

#74
20180003128
2018-01-04

Variable geometry thruster

#75
20170363010
2017-12-21

Air turbine starter with decoupler

#76
20170356452
2017-12-14

Shaft anti-rotation device

#77
20170350459
2017-12-07

Clutch mechanism and method for controlling fan speed

#78
20170327241
2017-11-16

Power plant management system for dual engine helicopter in single engine operation mode

#79
20170314626
2017-11-02

Lift fan clutch plate to reduce instability

#80
20170314625
2017-11-02

Lift fan clutch plate for protecting wear surfaces

#81
20170307026
2017-10-26

Lift fan clutch plate with improved axial positioning

#82
20170267364
2017-09-21

Method of monitoring at least one freewheel of a rotary wing aircraft, and an aircraft

#83
20170227067
2017-08-10

Clutch coupled to gas turbine engine and method for cooling

#84
20170101901
2017-04-13

METHOD FOR OPERATING A STEAM TURBINE

#85
20170082033
2017-03-23

GAS TURBINE SYSTEM AND METHOD

#86
20170058972
2017-03-02

Fluid driving device, motor assembly and centrifugal friction clutch thereof

#87
20170037908
2017-02-09

Coupling device for connecting a clutch to a turbine train

#88
20160290240
2016-10-06

Air turbine starter systems including gearbox-integrated clutch modules and gas turbine engines employing the same

#89
20160178016
2016-06-23

Clutch assembly with integrated surface cooling

#90
20160130983
2016-05-12

Method for coupling a steam turbine and a gas turbine at a desired differential angle

#91
20160105078
2016-04-14

Gas turbines in mechanical drive applications and operating methods

#92
20160053691
2016-02-25

Gas turbine engine system having a disengageable electric machine

#93
20160003143
2016-01-07

Turbomachine fan clutch

#94
20150345385
2015-12-03

Gas turbines in mechanical drive applications and operating methods

#95
20150345384
2015-12-03

Reverse core gear turbofan

#96
20150330301
2015-11-19

Gas turbine engine with variable speed turbines

#97
20150274306
2015-10-01

Hybrid drive for gas turbine engine

#98
20150041274
2015-02-12

Clutch coupled to gas turbine engine and method for cooling

#99
20150040640
2015-02-12

Base load estimation for a combined cycle power plant with steam turbine clutch

#100
20140127000
2014-05-08

Gas turbine accessory gearbox incorporating decoupling means

#101
20140064915
2014-03-06

Method for optimizing the speed of a twin-spool turbojet engine fan, and architecture for implementing same

#102
20130255224
2013-10-03

Reverse core gear turbofan

#103
20130199156
2013-08-08

Adaptive fan system for a variable cycle turbofan engine

#104
20130195603
2013-08-01

Turbomachine fan clutch

#105
20130145769
2013-06-13

Gas turbine engine with variable overall pressure ratio

#106
20130133332
2013-05-30

Systems and methods for changing a speed of a compressor boost stage in a gas turbine

#107
20130111989
2013-05-09

Coupling for rotor balancing

#108
20130051975
2013-02-28

Air turbine starter and method for venting without loss of oil

#109
20110076143
2011-03-31

Simplified system for controlling propeller blade pitch in an aircraft turboshaft engine

#110
20110070086
2011-03-24

Simplified system for controlling propeller blade pitch in an aircraft turboshaft engine

#111
20100300117
2010-12-02

AIRCRAFT WITH DISENGAGEABLE AUXILIARY POWER UNIT COMPONENTS

#112
20100223903
2010-09-09

Variable pressure ratio compressor

#113
20100213709
2010-08-26

Generator-stream turbine-turbocompressor string regulated by variation of a mains power supplied and by a live steam feed and method for operating the same

#114
20100193631
2010-08-05

Hydraulic drive, hydraulic supply device, airplane with a hydraulic supply device and method for configuring a hydraulic supply device

#115
20100156113
2010-06-24

Generator coupling for use with gas turbine engine

#116
20100154383
2010-06-24

Three spool gas turbine engine having a clutch and compressor bypass

#117
20100077769
2010-04-01

STARTER DRIVE ASSEMBLY AND METHOD OF STARTING A GAS TURBINE ENGINE

#118
20100013223
2010-01-21

Hybrid engine installation and a method of controlling such an engine installation

#119
20090320491
2009-12-31

Dual clutch arrangement and method

#120
20090293445
2009-12-03

Gas turbine engine with intermediate speed booster

#121
20090199567
2009-08-13

Decoupler devices to prevent backdrive in air turbine starters

#122
20080271969
2008-11-06

Shaft coupling

#123
20080054644
2008-03-06

Generator-starter system for a multi-shaft engine

#124
20060260323
2006-11-23

Aircraft with disengageable engine and auxiliary power unit components

#125
20060010875
2006-01-19

Gas turbine engine bleed air power assist system and method

#126
20060005544
2006-01-12

Synchronizing stationary clutch of compression braking with a two spool gas turbine engine

#127
19244827
2026-01-27

Clutch assembly for a hybrid-electric aircraft propulsion system

#128
18949477
2025-11-04

Limited slip torque-limiter coupling

#129
18591643
2025-07-01

Gas turbine engine having multiple steam turbines

#130
18295587
2024-06-04

Pressure balancing of rotating control piston of generator transmission

#131
17738404
2023-07-11

Systems and methods for controlling noise in aircraft powered by hybrid-electric gas turbine engines

#132
17117110
2023-01-10

Combined energy storage turbine and simple cycle peaker system

#133
15643359
2020-01-14

Slow turning gear adapter to eliminate turbine bucket wear

#134
15387482
2017-10-31

Axially translating and radially tilting fan nozzle segments with combined actuation and position sensing