Patents-Review.com
ClassID:

139135 ⎘

F02C3/113 - CPC Classification

Classification description:

Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor with two or more rotors connected by power transmission with variable power transmission between rotors

Recent Application in this class:
#1
20260146565
2026-05-28

GEARED GAS TURBINE ENGINE

 #2
20250376953
2025-12-11

GEARED GAS TURBINE ENGINE

 #3
20250250912
2025-08-07

GEARBOXES FOR AIRCRAFT GAS TURBINE ENGINES

 #4
20250237169
2025-07-24

CONSTANT SPEED ACCESSORY GEARBOX FOR TURBINE ENGINE

 #5
20250215824
2025-07-03

IMPROVED PROPULSION ASSEMBLY FOR MULTI-ENGINE HYBRID AIRCRAFT

 #6
20250012221
2025-01-09

GEARED GAS TURBINE ENGINE

 #7
20240417101
2024-12-19

GAS TURBINE ENGINE WITH CLUTCH ASSEMBLY

 #8
20240401490
2024-12-05

PROPULSION SYSTEM AND METHOD FOR OPERATION

 #9
20240308676
2024-09-19

ELECTRICAL POWER SYSTEM FOR A VEHICLE

 #10
20240254922
2024-08-01

Gas turbine engine

 #11
20240240568
2024-07-18

Turbomachinery plant to maximize the power generated by an electrical reversible machine

 #12
20240229727
2024-07-11

Method for controlling a turbomachine comprising at least one electric machine, and associated control system

 #13
20240200509
2024-06-20

Aeronautical propulsion system

 #14
20240200467
2024-06-20

Gearboxes for aircraft gas turbine engines

 #15
20240035419
2024-02-01

Geared turbine engine with relatively lightweight propulsor module

 #16
20240026827
2024-01-25

Aircraft system with gas turbine engine powered compressor

 #17
20240018901
2024-01-18

Augmented drive of compressors via differential and multistage turbine

 #18
20230392554
2023-12-07

Geared gas turbine engine

 #19
20230366356
2023-11-16

Geared gas turbine engine

 #20
20230349301
2023-11-02

Gearboxes for aircraft gas turbine engines

 #21
20230332509
2023-10-19

Increasing surge margin and compression efficiency via shaft power transfer

 #22
20230160344
2023-05-25

ELECTRICAL SYSTEMS

 #23
20230151772
2023-05-18

Reverse-flow gas turbine engine

 #24
20230079630
2023-03-16

Geared gas turbine engine

 #25
20220412269
2022-12-29

Geared gas turbine engine

 #26
20220389875
2022-12-08

Geared gas turbine engine

 #27
20220364481
2022-11-17

Gearboxes for aircraft gas turbine engines

 #28
20220349341
2022-11-03

Augmented drive of compressors via differential and multistage turbine

 #29
20220136434
2022-05-05

TURBINE POSITIONING IN A GAS TURBINE ENGINE

 #30
20220049648
2022-02-17

Starter/generator

 #31
20220042460
2022-02-10

Aircraft turbomachine with reducer

 #32
20210404388
2021-12-30

Reverse-flow gas turbine engine

 #33
20210339867
2021-11-04

Layered fuselage shield

 #34
20210310373
2021-10-07

Gearboxes for aircraft gas turbine engines

 #35
20210270183
2021-09-02

Reverse-flow gas turbine engine

 #36
20210231060
2021-07-29

Geared gas turbine engine

 #37
20210222631
2021-07-22

Gas turbine engine having gearbox support shear stress ratio

 #38
20210222628
2021-07-22

Gas turbine engine with clutch assembly

 #39
20210215101
2021-07-15

METHOD FOR SETTING A GEAR RATIO OF A FAN DRIVE GEAR SYSTEM OF A GAS TURBINE ENGINE

 #40
20210189956
2021-06-24

Turbine positioning in a gas turbine engine

 #41
20210164401
2021-06-03

Geared gas turbine engine

 #42
20210131347
2021-05-06

Dual clutch transmission for accessory gearbox drive

 #43
20210108575
2021-04-15

System and method for control for unducted engine

 #44
20210108570
2021-04-15

Gas turbine engine

 #45
20210071583
2021-03-11

ELECTRICAL SYSTEMS

 #46
20210071573
2021-03-11

Electrical system having two rotary electric machines coupled to two gas turbine spools

 #47
20210062761
2021-03-04

GAS TURBINE ENGINE FOR AN AIRCRAFT COMPRISING AN AIR INTAKE

 #48
20210062760
2021-03-04

GAS TURBINE ENGINE FOR AN AIRCRAFT COMPRISING AN AIR INTAKE

 #49
20210062759
2021-03-04

GAS TURBINE ENGINE FOR AN AIRCRAFT COMPRISING AN AIR INTAKE

 #50
20210062758
2021-03-04

GAS TURBINE ENGINE FOR AN AIRCRAFT COMPRISING AN AIR INTAKE

 #51
20210062757
2021-03-04

GAS TURBINE ENGINE FOR AN AIRCRAFT COMPRISING AN AIR INTAKE

 #52
20210054809
2021-02-25

Multistage gas turbine engine with differential drive of compressor

 #53
20210054788
2021-02-25

Augmented drive of compressors via differential and multistage turbine

 #54
20210040898
2021-02-11

Turbine section of high bypass turbofan

 #55
20210040896
2021-02-11

Gas turbine engine spool coupling

 #56
20210017878
2021-01-21

Compressor operability control for hybrid electric propulsion

 #57
20200392903
2020-12-17

GENERATING ELECTRICAL POWER AT HIGH THRUST CONDITIONS

 #58
20200392860
2020-12-17

Increasing surge margin and compression efficiency via shaft power transfer

 #59
20200392859
2020-12-17

LIMITING SPOOL SPEEDS IN A GAS TURBINE ENGINE

 #60
20200325821
2020-10-15

STARTER/GENERATOR

 #61
20200291865
2020-09-17

Geared gas turbine engine

 #62
20200291784
2020-09-17

Independently controllable wheel for a turbine section of a gas turbine engine

 #63
20200277901
2020-09-03

Geared gas turbine engine

 #64
20200256258
2020-08-13

Accessory gearbox for gas turbine engine with compressor drive

 #65
20200149542
2020-05-14

Turbomachine comprising a means of uncoupling a fan

 #66
20200141417
2020-05-07

BOOSTER COMPRESSOR WITH SPEED CHANGE SYSTEM

 #67
20200141314
2020-05-07

GAS TURBINE ENGINE

 #68
20200141267
2020-05-07

Gas turbine engine power setting

 #69
20200109669
2020-04-09

System and method of transferring power in a gas turbine engine

 #70
20200102914
2020-04-02

Gas turbine engine

 #71
20200102885
2020-04-02

Differential geared amplification of auxiliary power unit

 #72
20200095930
2020-03-26

VARIABLE GEAR RATIO GAS TURBINE ENGINE SYSTEM

 #73
20190368425
2019-12-05

Fan drive gear system mechanical controller

 #74
20190301466
2019-10-03

Planetary gear device with an oil supply appliance, gas turbine engine with a planetary gear device and method for manufacturing a vane pump

 #75
20190284948
2019-09-19

Electrical power generator system

 #76
20190218969
2019-07-18

AIRCRAFT TURBINE ENGINE WITH EPICYCLIC REDUCTION GEAR HAVING A VARIABLE REDUCTION RATIO

 #77
20190186357
2019-06-20

GAS TURBINE ENGINE WITH FAN TIED COMPRESSOR

 #78
20190155318
2019-05-23

TORQUE SIGNAL DYNAMIC COMPENSATION BASED ON SENSOR LOCATION

 #79
20190136768
2019-05-09

MULTI-SHAFT GAS TURBINE ENGINE

 #80
20190112985
2019-04-18

Gearbox for a gas turbine engine

 #81
20190085721
2019-03-21

Turbomachine with alternatingly spaced turbine rotor blades

 #82
20190039454
2019-02-07

Automatic transmission

 #83
20190024582
2019-01-24

Gearbox for gas turbine engine

 #84
20190017436
2019-01-17

Clutched compressor section for gas turbine engine

 #85
20190010875
2019-01-10

GAS TURGINE ENGINE WITH TRANSMISSION

 #86
20180372005
2018-12-27

Gas turbine engine geared compressor with first and second input rotors

 #87
20180149115
2018-05-31

Gas turbine engine including a re-heat combustor and a shaft power transfer arrangement for transferring power between low and high pressure shafts

 #88
20180135512
2018-05-17

Gearbox for gas turbine engine

 #89
20180087396
2018-03-29

Embedded electric machine

 #90
20180073428
2018-03-15

Reverse-flow gas turbine engine

 #91
20180023482
2018-01-25

Turbine shaft power take-off

 #92
20180023481
2018-01-25

Multi-spool gas turbine engine architecture

 #93
20180023480
2018-01-25

Multi-spool gas turbine engine architecture

 #94
20180023471
2018-01-25

Gas turbine engine shaft architecture and associated method of disassembly

 #95
20180023470
2018-01-25

Gear train architecture for a multi-spool gas turbine engine

 #96
20170370285
2017-12-28

Gas turbine engine with high speed low pressure turbine section

 #97
20170298816
2017-10-19

GAS TURBINE ENGINE

 #98
20170191427
2017-07-06

System and method of transferring power in a gas turbine engine

 #99
20170122221
2017-05-04

Turboshaft engine, twin-engine helicopter equipped with such a turboshaft engine, and method for optimising the zero-power super-idle speed of such a twin-engine helicopter

 #100
20170101936
2017-04-13

Turboshaft engine comprising a controlled mechanical coupling device, helicopter equipped with such a turboshaft engine, and method for optimising the zero-power super-idle speed of such a helicopter

 #101
20170096942
2017-04-06

Turbojet engine with offset fans with a differential system

 #102
20170058781
2017-03-02

Turbine inter-spool energy transfer system

 #103
20160369702
2016-12-22

Fan drive gear system mechanical controller

 #104
20160333782
2016-11-17

Multiple turboshaft engine control method and system for helicopters

 #105
20160319731
2016-11-03

Internal combustion engine coupled turbocharger with an infinitely variable transmission

 #106
20160312696
2016-10-27

Geared turbofan with improved gear system maintainability

 #107
20160298538
2016-10-13

Hyperjet superconducting turbine blisk propulsion and power generation

 #108
20160195011
2016-07-07

Split gear system for a gas turbine engine

 #109
20160032829
2016-02-04

Method and device for optimizing the utilization of an engine

 #110
20150345404
2015-12-03

Turbine section of high bypass turbofan

 #111
20150337762
2015-11-26

Turbofan thrust reverser system

 #112
20150308335
2015-10-29

METHOD FOR SETTING A GEAR RATIO OF A FAN DRIVE GEAR SYSTEM OF A GAS TURBINE ENGINE

 #113
20150204238
2015-07-23

LOW NOISE TURBINE FOR GEARED TURBOFAN ENGINE

 #114
20150192071
2015-07-09

Geared turbofan gas turbine engine architecture

 #115
20150176486
2015-06-25

Gas turbine engine with transmission

 #116
20150139780
2015-05-21

Rotor for a steam turbine

 #117
20150100180
2015-04-09

Electricity generation system

 #118
20140338352
2014-11-20

Electrical generation arrangement for an aircraft

 #119
20140290265
2014-10-02

Gas turbine engine with transmission

 #120
20140260295
2014-09-18

Gas turbine engine with transmission and method of adjusting rotational speed

 #121
20140223901
2014-08-14

Internal combustion engine coupled turbocharger with an infinitely variable transmission

 #122
20140216047
2014-08-07

Two-shaft gas turbine

 #123
20140150401
2014-06-05

Gas turbine engine geared compressor with first and second input rotors

 #124
20140140818
2014-05-22

Gas turbine engine front center body architecture

 #125
20140102076
2014-04-17

Turbine section of high bypass turbofan

 #126
20140090388
2014-04-03

OFF-TAKE POWER RATIO

 #127
20140064915
2014-03-06

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

 #128
20130318998
2013-12-05

GEARED TURBOFAN WITH THREE TURBINES WITH HIGH SPEED FAN DRIVE TURBINE

 #129
20130318984
2013-12-05

Gas turbine compressor inlet pressurization having a torque converter system

 #130
20130259651
2013-10-03

DIFFERENTIAL GEARED ARCHITECTURE FOR GAS TURBINE ENGINE

 #131
20130219859
2013-08-29

COUNTER ROTATING LOW PRESSURE COMPRESSOR AND TURBINE EACH HAVING A GEAR SYSTEM

 #132
20130199156
2013-08-08

Adaptive fan system for a variable cycle turbofan engine

 #133
20130192258
2013-08-01

GEARED TURBOFAN GAS TURBINE ENGINE ARCHITECTURE

 #134
20130192242
2013-08-01

SPEED SENSOR PROBE LOCATION IN GAS TURBINE ENGINE

 #135
20130139518
2013-06-06

Multiple turboshaft engine control method and system for helicopters

 #136
20130000323
2013-01-03

Differential gear system with carrier drive

 #137
20130000317
2013-01-03

Mechanism for turbine engine start from low spool

 #138
20120309582
2012-12-06

Journal pin for gear system

 #139
20120291449
2012-11-22

Turbine section of high bypass turbofan

 #140
20120263578
2012-10-18

Gas turbine engine front center body architecture

 #141
20120186221
2012-07-26

Internal combustion engine

 #142
20120153076
2012-06-21

Aircraft, propulsion system, and system for taxiing an aircraft

 #143
20120119021
2012-05-17

Aircraft and propulsion system

 #144
20120090291
2012-04-19

INTERNAL COMBUSTION ENGINE

 #145
20120053811
2012-03-01

Method and a device for optimizing the utilization of an engine

 #146
20110314788
2011-12-29

Aircraft turbine engine and use of such a turbine engine

 #147
20110225977
2011-09-22

Turbine system

 #148
20110097225
2011-04-28

AIR COMPRESSION AND EXPANSION SYSTEM WITH SINGLE SHAFT COMPRESSOR AND TURBINE ARRANGEMENT

 #149
20100236216
2010-09-23

Turbofan engine with variable area fan nozzle and low spool generator for emergency power generation and method for providing emergency power

 #150
20100223904
2010-09-09

GAS TURBINE ENGINE

 #151
20100219779
2010-09-02

Variable drive gas turbine engine

 #152
20100082217
2010-04-01

Method and system for providing cooling and power

 #153
20090272121
2009-11-05

Gas turbine aircraft engine with power variability

 #154
20090074565
2009-03-19

Turbine engine with differential gear driven fan and compressor

 #155
20090056309
2009-03-05

Gas turbine engine systems and related methods involving multiple gas turbine cores

 #156
20080149445
2008-06-26

Variable magnetic coupling of rotating machinery

 #157
20080138195
2008-06-12

Variable coupling of turbofan engine spools via open differential gear set or simple planetary gear set for improved power extraction and engine operability, with torque coupling for added flexibility

 #158
20080060341
2008-03-13

Turbine engine with semi-fixed turbine driving a receiver controlled so as to preserve a roughly constant rotation speed

 #159
20080047376
2008-02-28

Arrangement for power take-off on a two-shaft engine

 #160
20070277532
2007-12-06

Two-shaft engine for aircraft with high electric power demand

 #161
20070152534
2007-07-05

Gas turbine, particularly an aircraft engine

 #162
20070144172
2007-06-28

Compressor in an exhaust gas turbocharger of an internal combustion engine and method for operating the compressor

 #163
20070137216
2007-06-21

Gas turbine engine assembly and method of assembling same

 #164
20070130959
2007-06-14

System for driving accessory machines of a double-bodied turbine engine

 #165
20070125082
2007-06-07

Turbocharger compressor with an auxiliary rotor wheel and magnetic clutch

 #166
20070000349
2007-01-04

Drive arrangement

 #167
20060272313
2006-12-07

More electric aircraft power transfer systems and methods

 #168
20060225431
2006-10-12

Electrically coupled supercharger for a gas turbine engine

 #169
20060197345
2006-09-07

Plant facility

 #170
20050056021
2005-03-17

Multi-spool turbogenerator system and control method

 #171
18377128
2024-12-10

Turbine engine with couplable rotating assemblies

 #172
18228424
2024-11-26

Transmission assembly for an aircraft engine assembly and architecture for controlling same

 #173
18143965
2024-11-19

Gearbox assembly for an aircraft propulsion system

 #174
17888822
2023-10-31

Planetary gear arrangement for carrying load and elliptical pin for supporting gear

 #175
16821496
2020-12-08

Gas turbine engine having flight cycle ratio

 #176
16820976
2020-11-17

Gas turbine engine including gearbox structure having stiffness

 #177
16121305
2019-08-27

Geared compressor for gas turbine engine