ClassID:

136938

F01D19/02 - CPC Classification

Classification description:

dependent on temperature of component parts, e.g. of turbine-casing

Recent Application in this class:
#1
20260063075
2026-03-05

HYBRID ELECTRIC IDLE AND BRAKING FOR AN AIRCRAFT

#2
20250320820
2025-10-16

METHOD OF MITIGATING ROTOR BOW IN A TURBINE ENGINE ROTOR

#3
20250237153
2025-07-24

METHOD FOR CONTROLLING A GAS TURBINE ENGINE

#4
20240401501
2024-12-05

POWER GENERATION SYSTEM, CONTROL DEVICE, AND CONTROL METHOD

#5
20240376833
2024-11-14

System and process for restarting a turbomachine

#6
20240352872
2024-10-24

Thermal energy system to minimize or eliminate rotor bow

#7
20240318575
2024-09-26

Method and system for de-priming an aircraft engine component containing a flammable fluid for fire safety

#8
20240018912
2024-01-18

LOAD ADJUSTMENT METHOD, LOAD ADJUSTMENT DEVICE, AND PROGRAM

#9
20230340888
2023-10-26

Thermal bias control in turbomachines

#10
20230167751
2023-06-01

Method of multi-objective and multi-dimensional online joint monitoring for nuclear turbine

#11
20230141059
2023-05-11

Thermal bias control in turbomachines

#12
20220356849
2022-11-10

Hybrid electric idle and braking for an aircraft

#13
20220349348
2022-11-03

System and method for controlling dual starter air valve

#14
20220316363
2022-10-06

Startup control device, startup control method, and program

#15
20220243682
2022-08-04

Thrust efficient gas turbine engine

#16
20220154600
2022-05-19

PNEUMATIC STARTER SUPPLEMENTAL LUBRICATION SYSTEM

#17
20220106914
2022-04-07

METHOD FOR STARTING A GAS TURBINE IN A COMBINED CYCLE POWER PLANT

#18
20220098996
2022-03-31

Control of rotor stress within turbomachine during startup operation

#19
20220049619
2022-02-17

Turbine engine and method of cooling

#20
20220034234
2022-02-03

Method for monitoring the operating state of an overpressure valve

#21
20210388736
2021-12-16

Oil life of oil in a gearbox of an air turbine starter

#22
20210324758
2021-10-21

Multi-engine coordination during gas turbine engine motoring

#23
20210301732
2021-09-30

Start-up system and method for rotor bow mitigation

#24
20210301677
2021-09-30

System and method for dynamic engine motoring

#25
20210277793
2021-09-09

Methods and systems for starting an engine

#26
20210071582
2021-03-11

Method for detecting the ignition of a turbine engine

#27
20210062721
2021-03-04

Method for starting a turbine engine in cold weather and system for starting a turbine engine

#28
20210028730
2021-01-28

Method for operating a steam turbine

#29
20200408105
2020-12-31

Control of power generation system by visually monitoring component during operation

#30
20200408104
2020-12-31

System and method for controlling dual starter air valve

#31
20200362768
2020-11-19

Variable area turbine nozzle and method

#32
20200347746
2020-11-05

Method and system for mitigating bowed rotor operation of gas turbine engine

#33
20200291860
2020-09-17

Bowed rotor start mitigation in a gas turbine engine using aircraft-derived parameters

#34
20200240329
2020-07-30

Method of starting a gas turbine engine including a bowed-rotor cooling phase

#35
20200240287
2020-07-30

Steam-using facility monitoring system

#36
20200239151
2020-07-30

Alternating starter use during multi-engine motoring

#37
20200217274
2020-07-09

Thrust efficient turbofan engine

#38
20200208533
2020-07-02

Passive blade tip clearance control system for gas turbine engine

#39
20200056547
2020-02-20

AIR TURBINE START SYSTEM

#40
20200056500
2020-02-20

Steam turbine and steam turbine control method

#41
20200040770
2020-02-06

Plant control apparatus, plant control method and power plant

#42
20200040762
2020-02-06

Gas turbine engine heaters

#43
20200011242
2020-01-09

Power plant methods and apparatus

#44
20190242269
2019-08-08

Starter air valve systems configured for low speed motoring

#45
20190219021
2019-07-18

GAS TURBINE ENGINE MOTORING SYSTEM FOR BOWED ROTOR ENGINE STARTS

#46
20190203646
2019-07-04

System and method for removing rotor bow in a gas turbine engine using mechanical energy storage device

#47
20190203611
2019-07-04

Combustor Assembly for a Turbine Engine

#48
20190186289
2019-06-20

Structure and method to mitigate rotor bow in turbine engine

#49
20190186284
2019-06-20

Method and system for mitigating bowed rotor operation of gas turbine engine

#50
20190178165
2019-06-13

System and method for rotor bow mitigation

#51
20190170022
2019-06-06

Components and systems for reducing thermal stress of heat recovery steam generators in combined cycle power plant systems

#52
20190162203
2019-05-30

Thermal gradient attenuation structure to mitigate rotor bow in turbine engine

#53
20190128141
2019-05-02

PNEUMATIC STARTER SUPPLEMENTAL LUBRICATION SYSTEM

#54
20190120137
2019-04-25

Closed-loop thermal cycle expander bypass flow control

#55
20180340475
2018-11-29

BOWED ROTOR MOTORING CONTROL

#56
20180283219
2018-10-04

Piezo-electric motor for bowed rotor mitigation

#57
20180281115
2018-10-04

Device for additive manufacturing of a turbomachinery part by direct metal deposition onto a substrate

#58
20180230852
2018-08-16

System and method for controlling dual starter air valve

#59
20180216537
2018-08-02

Gas turbine start system to enable rotor thermal stabilization with backup bleed bypass cooling mode

#60
20180209347
2018-07-26

Dual inline valve with manual override

#61
20180179911
2018-06-28

Starter air valve systems configured for low speed motoring

#62
20180149090
2018-05-31

Metered orifice for motoring of a gas turbine engine

#63
20180142579
2018-05-24

Compressor driven by ORC waste heat recovery unit and control method

#64
20180094588
2018-04-05

Gas turbine engine motoring with starter air valve manual override

#65
20180094585
2018-04-05

Device and method for gas turbine unlocking

#66
20180058248
2018-03-01

Advanced startup counter module for a valve and actuator monitoring system

#67
20180023484
2018-01-25

Speed control during motoring of a gas turbine engine

#68
20180023413
2018-01-25

Multi-engine coordination during gas turbine engine motoring

#69
20180022465
2018-01-25

Alternating starter use during multi-engine motoring

#70
20180016988
2018-01-18

Air turbine start system

#71
20170350319
2017-12-07

Power plant methods and apparatus

#72
20170342855
2017-11-30

Turbine engine and method of cooling

#73
20170335714
2017-11-23

Systems and methods for determining turbomachine engine safe start clearances following a shutdown of the turbomachine engine

#74
20170306885
2017-10-26

Thrust efficient turbofan engine

#75
20170241285
2017-08-24

Turbine control unit comprising a thermal stress controller as a master controller

#76
20170234236
2017-08-17

Bowed rotor start using a variable position starter valve

#77
20170234233
2017-08-17

Bowed rotor start mitigation in a gas turbine engine using aircraft-derived parameters

#78
20170234230
2017-08-17

Bowed rotor start using direct temperature measurement

#79
20170234158
2017-08-17

Bowed rotor start response damping system

#80
20170175623
2017-06-22

Advanced humid air gas turbine system

#81
20170058715
2017-03-02

Control system for managing steam turbine rotor stress and method of use

#82
20160348588
2016-12-01

Method of starting a gas turbine engine including a cooling phase

#83
20160348534
2016-12-01

Flow sleeve for thermal control of a double-walled turbine shell and related method

#84
20160247074
2016-08-25

Power generation planning support apparatus and power generation planning support method

#85
20160215729
2016-07-28

Thrust efficient turbofan engine

#86
20160160692
2016-06-09

Method for starting a steam turbine

#87
20160123234
2016-05-05

High pressure compressor rotor thermal conditioning using discharge pressure air

#88
20160047310
2016-02-18

Heat storage mechanism of heat exchanger

#89
20150377140
2015-12-31

Method and system for startup of gas turbine system drive trains with exhaust gas recirculation

#90
20150308347
2015-10-29

Method to control electric starter generator for gas turbine engines

#91
20150247417
2015-09-03

Rotor tip clearance

#92
20150176428
2015-06-25

Turbomachine

#93
20150121874
2015-05-07

Activation control device

#94
20150040578
2015-02-12

Device and method for gas turbine unlocking

#95
20140373540
2014-12-25

Start control unit for steam turbine plant

#96
20140373518
2014-12-25

System and method for spinning up a rotary element of a mechanical device, particularly a turbomachine

#97
20140341702
2014-11-20

Flow sleeve for thermal control of a double-wall turbine shell and related method

#98
20140290250
2014-10-02

Steam turbine power plant

#99
20140290249
2014-10-02

Steam turbine power plant

#100
20140290246
2014-10-02

Solar and steam hybrid power generation system

#101
20140236451
2014-08-21

Avionics method and device for monitoring a turbomachine at startup

#102
20140208751
2014-07-31

Process for controlling a power turbine throttle valve during a supercritical carbon dioxide rankine cycle

#103
20140196457
2014-07-17

Ceramic-to-metal turbine shaft attachment

#104
20140150430
2014-06-05

Warming arrangement for a power plant

#105
20140123673
2014-05-08

Method of starting a turbomachine while reducing thermal unbalance

#106
20140047847
2014-02-20

Method to start up a combined cycle thermal plant for energy production from an off-state to an operational state

#107
20140013748
2014-01-16

Method for operating a solar installation

#108
20130318018
2013-11-28

NEURAL NETWORK-BASED TURBINE MONITORING SYSTEM

#109
20130294888
2013-11-07

MOTOR

#110
20130152587
2013-06-20

System and method for warming up a steam turbine

#111
20130094958
2013-04-18

SYSTEM AND METHOD FOR CONTROLLING FLOW THROUGH A ROTOR

#112
20130091855
2013-04-18

System for use in controlling the operation of power generation systems

#113
20120183398
2012-07-19

SYSTEM AND METHOD FOR CONTROLLING FLOW THROUGH A ROTOR

#114
20120167584
2012-07-05

Controlling blade tip clearances in a turbine engine

#115
20120144839
2012-06-14

Method for starting a combined cycle power plant

#116
20110167820
2011-07-14

Heating system for a turbine

#117
20110146276
2011-06-23

METHOD OF STARTING A STEAM TURBINE

#118
20100011779
2010-01-21

Turbine with fluidically-controlled valve and swirler with a bleed hole

#119
20090288416
2009-11-26

Turbine system and method for starting-controlling turbine system

#120
20090126365
2009-05-21

Method for starting a steam turbine installation

#121
20080271461
2008-11-06

Method of starting turbine engine from low engine speed

#122
20080022687
2008-01-31

Method for starting a pressure storage plant

#123
20080000233
2008-01-03

Method for the operation of a pressure accumulator plant, and pressure accumulator plant

#124
20070119176
2007-05-31

Method and apparatus for augmented heat up of a unit

#125
20060245910
2006-11-02

Method for setting a radial gap of an axial-throughflow turbomachine and compressor

#126
20060233637
2006-10-19

Turbine starting controller and turbine starting control method

#127
20050085949
2005-04-21

Method and apparatus for controlling steam turbine inlet flow to limit shell and rotor thermal stress

#128
18631471
2025-10-14

Method of mitigating rotor bow in a turbine engine rotor

#129
18196011
2024-04-23

System and process for restarting a turbomachine

#130
17724074
2023-09-19

Thermal management system

#131
13427542
2017-10-24

Method for efficient fan control for electric or gas furnaces and heat pumps in heating mode