ClassID:

139136

F02C3/13 - CPC Classification

Classification description:

Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor having variable working fluid interconnections between turbines or compressors or stages of different rotors

Recent Application in this class:
#1
20260049571
2026-02-19

HIGH TEMPERATURE ANTI-ICE SYSTEMS FOR AIRCRAFT ENGINES

#2
20260015968
2026-01-15

OPEN ROTOR WITH AERODYNAMICALLY ISOLATABLE FREE TURBINE

#3
20250243801
2025-07-31

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

#4
20240401523
2024-12-05

AIR RECUPERATED ENGINE WITH AIR REINJECTION

#5
20240368999
2024-11-07

TURBINE OVERSPEED PROTECTION

#6
20240309803
2024-09-19

Aircraft engine having two radially offset turbines

#7
20240102417
2024-03-28

Air recuperated engine with air reinjection

#8
20240003292
2024-01-04

Compressor bypass bleed system for a ducted fan engine

#9
20230407786
2023-12-21

Compressed N2 for energy storage

#10
20230212981
2023-07-06

Crossover cooling flow for multi-engine systems

#11
20230160348
2023-05-25

System and method for reconfiguring a bleed system

#12
20230160339
2023-05-25

Multi-mode engine system with gas turbine engine and turbo-compressor

#13
20230048118
2023-02-16

Turbomachine with device for cooling and pressurising a turbine

#14
20220403799
2022-12-22

Aircraft and direct drive engine under wing installation

#15
20220381187
2022-12-01

Secondary fuel flow demand fuel pumping system

#16
20220154651
2022-05-19

Gas turbine engine having a turbomachine and an electric motor coupled to a propeller

#17
20210254546
2021-08-19

TWO-SHAFT GAS TURBINE

#18
20210164398
2021-06-03

Crossover cooling flow for multi-engine systems

#19
20210164392
2021-06-03

GAS TURBINE ENGINE

#20
20210108566
2021-04-15

Rotor including replaceable self-locking sealing assembly, turbine, and gas turbine including the same

#21
20210079848
2021-03-18

SECONDARY FUEL FLOW DEMAND FUEL PUMPING SYSTEM

#22
20200386156
2020-12-10

Compressed N2 for energy storage

#23
20200116041
2020-04-16

Gas turbine engine with low pressure compressor stages

#24
20200102913
2020-04-02

Auxiliary device for three air flow path gas turbine engine

#25
20200095944
2020-03-26

Ducted gas turbine engine stability bleed valve with passive and active shutoff

#26
20200095933
2020-03-26

Signal processing for variable geometry mechanism control

#27
20200088100
2020-03-19

DUCT AND A GAS TURBINE ENGINE COMPRISING A DUCT

#28
20200040848
2020-02-06

Adaptive engine with boost spool

#29
20200040847
2020-02-06

Turbomachinery transition duct for wide bypass ratio ranges

#30
20200025080
2020-01-23

Diversion of fan air to provide cooling air for gas turbine engine

#31
20190383218
2019-12-19

Crossover cooling flow for multi-engine systems

#32
20190309683
2019-10-10

Bleed air systems for use with aircraft and related methods

#33
20190309681
2019-10-10

GAS TURBINE ENGINE AND TURBINE ARRANGEMENT

#34
20190178160
2019-06-13

Process for retrofitting an industrial gas turbine engine for increased power and efficiency

#35
20190162203
2019-05-30

Thermal gradient attenuation structure to mitigate rotor bow in turbine engine

#36
20190154059
2019-05-23

Intercooled cooling air tapped from plural locations

#37
20190107082
2019-04-11

Compressor stage EGR injection

#38
20190068026
2019-02-28

MOBILE POWER GENERATION SYSTEM INCLUDING OPTICAL ALIGNMENT

#39
20190063459
2019-02-28

Inlet guide vane assembly

#40
20190040793
2019-02-07

Geared turbofan engine with high compressor exit temperature

#41
20190024584
2019-01-24

Reverse core gear turbofan

#42
20190017444
2019-01-17

Integrated fuel nozzle connection

#43
20190003325
2019-01-03

INTER-TURBINE DUCTS WITH MULTIPLE SPLITTER BLADES

#44
20180320633
2018-11-08

Aircraft and direct drive engine under wing installation

#45
20180266332
2018-09-20

Systems and methods for controlling overboard bleed heat of a turbine inlet filter

#46
20180258859
2018-09-13

Intercooled cooling air with dual pass heat exchanger

#47
20180238269
2018-08-23

Engine driven by Sc0cycle with independent shafts for combustion cycle elements and propulsion elements

#48
20180195416
2018-07-12

Turbine engine exhaust casing with improved lifetime

#49
20180142625
2018-05-24

Systems and methods for reducing airflow imbalances in turbines

#50
20180066587
2018-03-08

Intercooled cooling air with dual pass heat exchanger

#51
20180066586
2018-03-08

Apparatus and process of retrofitting a combined cycle power plant

#52
20170363014
2017-12-21

Engine bleed air with compressor surge management

#53
20170298825
2017-10-19

Cooling air architecture for compact size and performance improvement

#54
20170284306
2017-10-05

Aircraft turbine engine comprising a discharge device

#55
20170284304
2017-10-05

Valved airflow passage assembly for adjusting airflow distortion in gas turbine engine

#56
20170241336
2017-08-24

Process for retrofitting an industrial gas turbine engine for increased power and efficiency

#57
20170191426
2017-07-06

Method and apparatus for optimizing the operation of a turbine system under flexible loads

#58
20170167374
2017-06-15

System for generating steam and for providing cooled combustion gas to a secondary gas turbine combustor

#59
20170122202
2017-05-04

Cyclonic separator for a turbine engine

#60
20170106985
2017-04-20

Aircraft pneumatic system

#61
20170089299
2017-03-30

Gas turbine engine with stream diverter

#62
20170058770
2017-03-02

SYSTEM AND METHOD FOR DECOUPLING STEAM PRODUCTION DEPENDENCY FROM GAS TURBINE LOAD LEVEL

#63
20170051679
2017-02-23

Compressor bleed auxiliary turbine

#64
20160369746
2016-12-22

Engine driven by SC0cycle with independent shafts for combustion cycle elements and propulsion elements

#65
20160319742
2016-11-03

Integrated turboshaft engine

#66
20160312797
2016-10-27

Intercooled cooling air tapped from plural locations

#67
20160312711
2016-10-27

Intercooled cooling air with plural heat exchangers

#68
20160312704
2016-10-27

Intercooled cooling air with dual pass heat exchanger

#69
20160298550
2016-10-13

Engine bypass valve

#70
20160281608
2016-09-29

Self-contained power unit for implementing a method for optimizing the operability of an aircraft propulsive unit

#71
20160273404
2016-09-22

Power generation system having compressor creating excess air flow and turbo-expander using same

#72
20160273400
2016-09-22

Power generation system having compressor creating excess air flow and turbo-expander to increase turbine exhaust gas mass flow

#73
20160273399
2016-09-22

Power generation system having compressor creating excess air flow and turbo-expander for cooling inlet air

#74
20160258359
2016-09-08

Diversion of fan air to provide cooling air for gas turbine engine

#75
20160230663
2016-08-11

Gas turbine, gas-turbine control device, and gas turbine operation method

#76
20160215712
2016-07-28

Engine system with intake bypass device

#77
20160195023
2016-07-07

Method to operate a combustor of a gas turbine

#78
20160186613
2016-06-30

Ducted cowl support for a gas turbine engine

#79
20160160668
2016-06-09

Inner diffuser case cone and skirt

#80
20160153365
2016-06-02

Method of Operation of a Gas Turbine Engine

#81
20160153361
2016-06-02

Bleed valve resonance augmentations

#82
20160146115
2016-05-26

Gas turbine engine and method of assembling the same

#83
20160076445
2016-03-17

Geared turbofan engine with high compressor exit temperature

#84
20160040605
2016-02-11

Gas turbine engine having an annular core bleed

#85
20150361882
2015-12-17

Gas turbine engine with distributed fans and bypass air mixer

#86
20150354450
2015-12-10

Gas turbine engine driven by supercritical power generation system

#87
20150345427
2015-12-03

Geared turbofan engine with high compressor exit temperature

#88
20150345384
2015-12-03

Reverse core gear turbofan

#89
20150337738
2015-11-26

Two spool gas generator with improved air porting

#90
20150330301
2015-11-19

Gas turbine engine with variable speed turbines

#91
20150322865
2015-11-12

Turbine cooling system using an enhanced compressor air flow

#92
20150292357
2015-10-15

Aircraft gas turbine having a core engine casing with cooling-air tubes

#93
20150267551
2015-09-24

Auxiliary device for three air flow path gas turbine engine

#94
20150260053
2015-09-17

System and method for generating electric energy

#95
20150252729
2015-09-10

Inner diffuser case struts for a combustor of a gas turbine engine

#96
20150204247
2015-07-23

Method of operating a gas turbine assembly and the gas turbine assembly

#97
20150176530
2015-06-25

ULTRA HIGH OVERALL PESSURE RATIO GAS TURBINE ENGINE

#98
20150176501
2015-06-25

Bleed air systems for use with aircrafts and related methods

#99
20150082767
2015-03-26

Passive cooling system for control valve actuators within a negative pressure turbine enclosure using ambient cooling air

#100
20150075173
2015-03-19

Compressed-air energy-storage system

#101
20150007576
2015-01-08

Gas turbine power plant with non-homogeneous input gas

#102
20140260326
2014-09-18

GEARED TURBOFAN ENGINE WITH HIGH COMPRESSOR EXIT TEMPERATURE

#103
20140260180
2014-09-18

Gas turbine engine with stream diverter

#104
20140250898
2014-09-11

Bleed air systems for use with aircrafts and related methods

#105
20140250859
2014-09-11

Axial-flow turbine and power plant including the same

#106
20140248129
2014-09-04

LPC flowpath shape with gas turbine engine shaft bearing configuration

#107
20140248121
2014-09-04

Aircraft power system

#108
20140223916
2014-08-14

Gas turbine engine with compressor inlet guide vane positioned for starting

#109
20140182307
2014-07-03

System and method for expanding a compressor bleed flow

#110
20140123660
2014-05-08

System and method for a multi-wall turbine combustor

#111
20140026588
2014-01-30

System and method for recirculating and recovering energy from compressor discharge bleed air

#112
20130269366
2013-10-17

Modular louver system

#113
20130255224
2013-10-03

Reverse core gear turbofan

#114
20130239576
2013-09-19

Aerospace engine with augmenting turbojet

#115
20130192195
2013-08-01

GAS TURBINE ENGINE WITH COMPRESSOR INLET GUIDE VANE POSITIONED FOR STARTING

#116
20130187007
2013-07-25

Bleed air systems for use with aircrafts and related methods

#117
20130174535
2013-07-11

Flushing the exhaust gas recirculation lines of a gas turbine

#118
20130152602
2013-06-20

Turbine component cooling with closed looped control of coolant flow

#119
20130152601
2013-06-20

Gas turbine engine having a multi-variable closed loop controller for regulating tip clearance

#120
20130139522
2013-06-06

Method for optimizing the operability of an aircraft propulsive unit, and self-contained power unit for implementing same

#121
20130125557
2013-05-23

Method and apparatus for optimizing the operation of a turbine system under flexible loads

#122
20130111917
2013-05-09

Apparatus for aircraft with high peak power equipment

#123
20130086882
2013-04-11

Power plant including an exhaust gas recirculation system for injecting recirculated exhaust gases in the fuel and compressed air of a gas turbine engine

#124
20130025286
2013-01-31

Gas turbine engine with aft core driven fan section

#125
20120291445
2012-11-22

Method for operating a gas turbine power plant with exhaust gas recirculation

#126
20120233980
2012-09-20

Variable cycle gas turbine engine

#127
20120128470
2012-05-24

Self-actuating bleed valve for a gas turbine engine

#128
20120128467
2012-05-24

Integrated variable geometry flow restrictor and heat exchanger

#129
20120060507
2012-03-15

Gas turbine engine with turbine cooling arrangement

#130
20120047906
2012-03-01

Combustion turbine cooling media supply method

#131
20110270447
2011-11-03

Blocked nozzle detection and remedial method and system

#132
20110181050
2011-07-28

Combustion turbine cooling media supply method

#133
20110023446
2011-02-03

Gas turbine engine

#134
20100326085
2010-12-30

LIGHTWEIGHT START SYSTEM FOR A GAS TURBINE ENGINE

#135
20100199633
2010-08-12

Bleed structure for a bleed passage in a gas turbine engine

#136
20100175387
2010-07-15

Cooling of turbine components using combustor shell air

#137
20100154435
2010-06-24

Turbine engine having two off-axis spools with valving-enabled modulation between high and low power modes

#138
20100115912
2010-05-13

PARALLEL TURBINE ARRANGEMENT AND METHOD

#139
20090211222
2009-08-27

Rear propulsor for a variable cycle gas turbine engine

#140
20090211221
2009-08-27

Auxiliary propulsor for a variable cycle gas turbine engine

#141
20090065652
2009-03-12

Aircraft combination engines exhaust thrust recovery

#142
20090064660
2009-03-12

Nozzle with yaw vectoring vane

#143
20090060719
2009-03-05

Dual volute turbocharger

#144
20090051167
2009-02-26

Combustion turbine cooling media supply method

#145
20080115504
2008-05-22

Bleed structure for a bleed passage in a gas turbine engine

#146
20070251239
2007-11-01

High performance method for throttling of closed gas turbine cycles

#147
20070245739
2007-10-25

Gas turbine engine

#148
20070151257
2007-07-05

Method and apparatus for enabling engine turn down

#149
20070144170
2007-06-28

Compressor having integral EGR valve and mixer

#150
20070000232
2007-01-04

Gas turbine engine and method of operating same

#151
20060277919
2006-12-14

BLEED STRUCTURE FOR A BLEED PASSAGE IN A GAS TURBINE ENGINE

#152
20060174628
2006-08-10

Method and system for balancing bleed flows from gas turbine engines

#153
20060096272
2006-05-11

Thrust vectoring aft FLADE engine

#154
20060042247
2006-03-02

Multi-stage turbocharging system with efficient bypass

#155
20060010875
2006-01-19

Gas turbine engine bleed air power assist system and method

#156
20050252194
2005-11-17

Methods and apparatus for assembling gas turbine engines

#157
20050086939
2005-04-28

Gas-turbine installation

#158
20050076502
2005-04-14

Production process of gas turbine

#159
18217228
2024-10-08

Pre-heating aircraft engine in standby mode