ClassID:

136964

F01D25/125 - CPC Classification

Classification description:

Component parts, details, or accessories, not provided for in, or of interest apart from, other groups; Cooling ; Heating; Heat-insulation; Cooling of bearings

Recent Application in this class:
#1
20260092564
2026-04-02

Heatshield Assembly for Gas Turbine Engines

#2
20260022658
2026-01-22

BEARING ASSEMBLY HOUSING FOR AN AIRCRAFT PROPULSION SYSTEM

#3
20250369394
2025-12-04

SCOOP FED HEAT EXCHANGE FOR AN OPEN ROTOR GAS TURBINE ENGINE

#4
20250246962
2025-07-31

STATOR BOBBIN FOR E-MACHINE WITH WINDING RETAINERS AND FLUID FLOW SURFACES

#5
20250243810
2025-07-31

HEAT EXCHANGER FOR A GAS TURBINE ENGINE

#6
20250207510
2025-06-26

LUBRICATION AND COOLING OF EQUIPMENT OF AN AIRCRAFT TURBOMACHINE

#7
20250198303
2025-06-19

Cryogenic Expansion Turbine with Magnetic Bearings

#8
20250146427
2025-05-08

Turbomachine for an aircraft

#9
20250067197
2025-02-27

Additive Manufactured Bearing Cap for Temperature Reduction On Bearing Cap Wetted Wall

#10
20250027422
2025-01-23

BUFFER AIR ASSEMBLY FOR AN AIRCRAFT ENGINE

#11
20250003425
2025-01-02

CLOSED-LOOP COOLING FLUID CIRCUIT FOR MAGNETIC BEARINGS OF AN EXPANDER-COMPRESSOR SYSTEM

#12
20240352968
2024-10-24

MAGNETIC-FOIL BEARING WITH COOLING SYSTEM

#13
20240352873
2024-10-24

OIL-COOLED EXHAUST TURBINE APPARATUS

#14
20240318575
2024-09-26

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

#15
20240309780
2024-09-19

TURBOMACHINE WITH COOLING SYSTEM USING LUBRICATION OIL

#16
20240218808
2024-07-04

Gas supply apparatus

#17
20240151156
2024-05-09

BEARING CHAMBER WITH THERMAL HEAT EXCHANGE FINS

#18
20240151155
2024-05-09

BEARING CHAMBER WITH MAPPED THERMAL HEAT EXCHANGE FINS

#19
20240141803
2024-05-02

OIL NOZZLE FOR BEARING CHAMBER

#20
20240125249
2024-04-18

Ventilation ring for the rear bearing support member of an aircraft turbine engine

#21
20240110513
2024-04-04

GAS TURBINE ENGINE

#22
20240052745
2024-02-15

Radial fan with leading edge air injection

#23
20240018880
2024-01-18

Combination seal for a supercritical carbon dioxide turbo generator

#24
20230392517
2023-12-07

Compressor housing

#25
20230313741
2023-10-05

Air-to-air heat exchanger potential in gas turbine engines

#26
20230313736
2023-10-05

Turbine thermal isolation system for micro-turbine alternator

#27
20230304444
2023-09-28

Buffer fluid delivery system and method for a shaft seal of a gas turbine engine

#28
20230279811
2023-09-07

Heat exchanger for a gas turbine engine

#29
20230265815
2023-08-24

Turbo Pump Device for Rocket Engines

#30
20230212958
2023-07-06

Exhaust frame differential cooling system

#31
20230184134
2023-06-15

Heat-protection element for a bearing chamber of a gas turbine

#32
20230160320
2023-05-25

Turbocharger

#33
20230139285
2023-05-04

Device for distributing oil from a rolling bearing for an aircraft turbine engine

#34
20230133778
2023-05-04

Cooling device for thermal control cable of turbine end bearing of combined cycle unit

#35
20230067829
2023-03-02

TRANSMISSION ASSEMBLY FOR AN ENGINE WITH A CONDUIT SYSTEM HAVING TWO FLUID GUIDES ON A STATIC PART

#36
20220412223
2022-12-29

Seal seat insert for gas turbine engines

#37
20220403756
2022-12-22

Sump auxiliary vent system

#38
20220325632
2022-10-13

Combined power system

#39
20220298923
2022-09-22

Gas turbine engine with embedded generator

#40
20220251972
2022-08-11

Rotor stack bushing with adaptive temperature metering for a gas turbine engine

#41
20220235709
2022-07-28

Buffer fluid delivery system and method for a shaft seal of a gas turbine engine

#42
20220195888
2022-06-23

Bearing housing assembly

#43
20220195880
2022-06-23

Combination seal for a supercritical carbon dioxide turbo generator

#44
20220163061
2022-05-26

Bearing condition monitoring device, turbocharger, and bearing condition monitoring method

#45
20220154723
2022-05-19

Bearing cooling schemes for aircraft fans

#46
20220082029
2022-03-17

Rotating heat exchanger

#47
20220025833
2022-01-27

Turbofan engine comprising an outlet cone cooled by its secondary flow

#48
20220025782
2022-01-27

Aircraft engine lubricant circulation

#49
20210396177
2021-12-23

Gas turbine engine buffer system

#50
20210340911
2021-11-04

Thermal management of a gas turbine engine shaft

#51
20210332719
2021-10-28

Turbocharger

#52
20210310370
2021-10-07

Systems for a turbocharger

#53
20210270150
2021-09-02

Integrated thermal protection for an exhaust case assembly

#54
20210222580
2021-07-22

Rotor stack bushing with adaptive temperature metering for a gas turbine engine

#55
20210189967
2021-06-24

Air starter with bearing cooling

#56
20210172338
2021-06-10

Air cycle machine with cooling air flow path

#57
20210156277
2021-05-27

Aircraft propulsion system with vapor absorption refrigeration system

#58
20210079801
2021-03-18

Seal seat insert for gas turbine engines

#59
20210071576
2021-03-11

Gas turbine engine buffer system

#60
20200400039
2020-12-24

Seal assembly seal land with a gas flow passage

#61
20200347780
2020-11-05

Turbomachine, in particular for a fuel cell system, fuel cell system, method for operating a turbomachine, and method for operating a fuel cell system

#62
20200300117
2020-09-24

Seal assembly for a gas turbine engine

#63
20200300112
2020-09-24

Assembly for a turbomachine

#64
20200284161
2020-09-10

Gas turbine engine with feed pipe for bearing housing

#65
20200283156
2020-09-10

Bearing cooling flow for turbine and compressor utilized to supply air for aircraft cabin

#66
20200271013
2020-08-27

Gas turbine engine including seal plate providing increased cooling adjacent contact area

#67
20200263604
2020-08-20

Gas turbine engine buffer system

#68
20200256211
2020-08-13

Non-uniform spray pattern oil delivery nozzle

#69
20200256209
2020-08-13

Device for lubricating and cooling a turbomachine bearing

#70
20200248624
2020-08-06

Engine systems with load compressor that provides cooling air

#71
20200248586
2020-08-06

Systems for a turbocharger

#72
20200141315
2020-05-07

Gas turbine engine buffer system

#73
20200109646
2020-04-09

Sump auxiliary vent system

#74
20200095891
2020-03-26

Hybrid wet-dry face seal seat

#75
20200080470
2020-03-12

Cooling system for e-charger assembly

#76
20200080436
2020-03-12

Seal assembly for a turbomachine

#77
20200063585
2020-02-27

Seal face plate cooling

#78
20200056505
2020-02-20

Turbocharger

#79
20200056504
2020-02-20

Mounting portion for an exhaust gas turbocharger, and exhaust gas turbocharger

#80
20200032664
2020-01-30

Double flow turbojet including an intermediate flow path dedicated to supplying with air via radial arms an exhaust casing of this turbojet

#81
20200011341
2020-01-09

Bearing arrangement for a drive shaft of a turbo-machine, and a turbo-machine including such a bearing arrangement

#82
20190383167
2019-12-19

Intercooled cooling air with low temperature bearing compartment air

#83
20190368419
2019-12-05

Thermal management of a gas turbine engine shaft

#84
20190331027
2019-10-31

Turbomachine with internal bearing and rotor-spline interface cooling and systems incorporating the same

#85
20190301401
2019-10-03

ROCKET FUEL PUMP

#86
20190284999
2019-09-19

Telescoping bore basket for gas turbine engine

#87
20190242407
2019-08-08

Gas turbine engine compressor

#88
20190211709
2019-07-11

Geared gas turbine engine with improved breather air venting

#89
20190186295
2019-06-20

Turbocharger heat shield

#90
20190186294
2019-06-20

Gas turbine with separate cooling for turbine and exhaust casing

#91
20190186293
2019-06-20

Outlet guide vane for aircraft turbomachine, comprising a lubricant cooling passage equipped with flow disturbance studs

#92
20190170056
2019-06-06

Compressor housing

#93
20190170016
2019-06-06

Air oil cooler airflow augmentation system

#94
20190120086
2019-04-25

Oil console equipment, rotary machine provided with oil console equipment, and method for recovering lubrication oil contained in exhaust gas

#95
20190112983
2019-04-18

Sump housing for a gas turbine engine

#96
20190101134
2019-04-04

Rotary machine heat sink

#97
20190063622
2019-02-28

Variable orifice flow control device

#98
20190063258
2019-02-28

Rotary machine air deflector

#99
20190063257
2019-02-28

Turbomachine systems with magnetic bearing cooling and method

#100
20190048741
2019-02-14

Cooling device for casing support part of rotary machine, rotary machine, and cooling method for casing support part of rotary machine

#101
20190022804
2019-01-24

Engine component stack and assembly thereof

#102
20190003481
2019-01-03

Dry gas seal cooling arrangement and method

#103
20190003335
2019-01-03

COOLING BEARING CHAMBERS IN A GAS TURBINE ENGINE

#104
20180363913
2018-12-20

Assembly of tube and structure crossing multi chambers

#105
20180355757
2018-12-13

Sealing configurations with active cooling features

#106
20180347815
2018-12-06

Turbine stage cooling

#107
20180347398
2018-12-06

System and method for use of intercooler cooled fluid as bearing pressurization fluid source

#108
20180340469
2018-11-29

Interdigitated turbine engine air bearing and method of operation

#109
20180340446
2018-11-29

Interdigitated turbine engine air bearing cooling structure and method of thermal management

#110
20180313228
2018-11-01

Turbopump machine with isolated cooling passage discharge

#111
20180291764
2018-10-11

Turbocharger

#112
20180258792
2018-09-13

Device for cooling a rolling bearing for a turbine engine

#113
20180238227
2018-08-23

Turbocharger assembly

#114
20180156118
2018-06-07

Gas turbine engine lubrication system

#115
20180112553
2018-04-26

Bearing housing with impingement cooling system

#116
20180106157
2018-04-19

Seal face plate cooling

#117
20180045138
2018-02-15

Nose cone assembly and method of circulating air in a gas turbine engine

#118
20180045075
2018-02-15

Engine arrangement

#119
20180030854
2018-02-01

Bearing assembly, in particular for a turbomachine, and turbomachine having such a bearing assembly

#120
20180016985
2018-01-18

Heat pipe temperature management system for wheels and buckets in a turbomachine

#121
20170362963
2017-12-21

PASSIVE ALTERNATOR DEPRESSURIZATION AND COOLING SYSTEM

#122
20170335759
2017-11-23

Hollow filled turbocharger rotor shaft

#123
20170328273
2017-11-16

Turbocharger assembly

#124
20170314473
2017-11-02

Regulation of the oil flow in a cooling circuit of a turbomachine

#125
20170314468
2017-11-02

Sump assembly for a gas turbine engine

#126
20170306795
2017-10-26

Integrated oil supply tube and check valve

#127
20170276022
2017-09-28

Bearing ring and layer by layer method for manufacturing a bearing ring

#128
20170241343
2017-08-24

Sump housing for a gas turbine engine

#129
20170226918
2017-08-10

Cooling device having a refrigerant supply part of a condenser arranged higher than a shaft part of a turbine in a gravity direction

#130
20170211419
2017-07-27

Turbine housing

#131
20170211417
2017-07-27

SYSTEMS AND METHODS FOR COOLING A BEARING

#132
20170167292
2017-06-15

Variable-sized cooling air flow path

#133
20170159493
2017-06-08

Gas turbine engine bearing sump and lubricant drain line from cooling passage

#134
20170159489
2017-06-08

OGV heat exchangers networked in parallel and serial flow

#135
20170152893
2017-06-01

Cooling system for axial magnetic bearing

#136
20170138264
2017-05-18

Gas turbine engine with rotor centering cooling system in an exhaust diffuser

#137
20170130606
2017-05-11

Self-contained lubrication cooling system with heat exchanger integrated with sump

#138
20170130605
2017-05-11

Apparatus for oil collection and heat exchanging for turbine engines

#139
20170114666
2017-04-27

Multiple spoke cooling system and method

#140
20170107854
2017-04-20

Jet engine with multiple chambers and a bearing chamber support

#141
20170107851
2017-04-20

Mid-turbine frame spoke cooling system and method

#142
20170074164
2017-03-16

Waste heat recovery device, gas turbine plant provided with same, and waste heat recovery method

#143
20170074117
2017-03-16

Liquid cooling system with thermal valve deflector

#144
20160348583
2016-12-01

Method and device for supplying a lubricant

#145
20160348522
2016-12-01

Seal and bearing assembly for a gas turbine engine and method of assembling same

#146
20160341072
2016-11-24

Heat shield for mixed flow turbine wheel turbochargers

#147
20160312711
2016-10-27

Intercooled cooling air with plural heat exchangers

#148
20160298544
2016-10-13

Thermal management system and method of circulating air in a gas turbine engine

#149
20160290233
2016-10-06

Heat pipe temperature management system for a turbomachine

#150
20160290166
2016-10-06

Quad-tab U-washer

#151
20160290164
2016-10-06

Method for additive manufacturing of a gas turbine casing part

#152
20160281508
2016-09-29

Turbomachine with a cooled coupling guard

#153
20160273384
2016-09-22

Cooling passages for a mid-turbine frame

#154
20160273383
2016-09-22

Cooling passages for a mid-turbine frame

#155
20160272329
2016-09-22

Air cycle machine with cooling air flow path

#156
20160265439
2016-09-15

Cooling passages for a mid-turbine frame

#157
20160230603
2016-08-11

Clinch nut bolt hole geometry

#158
20160222982
2016-08-04

Fluid injector for cooling a gas turbine engine component

#159
20160222825
2016-08-04

Rotating turbine vane bearing cooling

#160
20160215702
2016-07-28

Bearing compartment seal

#161
20160215639
2016-07-28

Flange trapped seal configuration

#162
20160208644
2016-07-21

Cooling passages for a mid-turbine frame

#163
20160201688
2016-07-14

Gas turbine engine diffuser cooling and mixing arrangement

#164
20160169036
2016-06-16

Gas turbine engines with heated cases

#165
20160123237
2016-05-05

Variable pressure air supply

#166
20160102577
2016-04-14

Power turbine cooling air metering ring

#167
20160102566
2016-04-14

POWER TURBINE AIR STRUT

#168
20160084165
2016-03-24

Pre-cooler inlet ducts that utilize active flow-control and systems and methods including the same

#169
20160047272
2016-02-18

Rotary machine air deflector

#170
20160032769
2016-02-04

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

#171
20160032765
2016-02-04

Bearing compartment sealing system with passive cooling

#172
20160024968
2016-01-28

Air oil cooler airflow augmentation system

#173
20160003139
2016-01-07

Turbocharger

#174
20150369082
2015-12-24

Multi-circuit lubrication system for a turbine engine

#175
20150354822
2015-12-10

Turbine stage cooling

#176
20150345510
2015-12-03

Rotary machine heat sink

#177
20150337850
2015-11-26

Supercharger with electric motor and engine device provided with supercharger with electric motor

#178
20150337681
2015-11-26

Scupper channelling in gas turbine modules

#179
20150330405
2015-11-19

Turbocharger bearing housing with cast-in pipes

#180
20150330250
2015-11-19

Turbine exhaust case architecture

#181
20150308342
2015-10-29

Gas turbine engine vapor cooled centrifugal impeller

#182
20150300202
2015-10-22

Turbocharger

#183
20150285147
2015-10-08

Cooling system with a bearing compartment bypass

#184
20150285146
2015-10-08

Cooling arrangement for a gas turbine

#185
20150275761
2015-10-01

Seal assembly with cooling feature

#186
20150240660
2015-08-27

Buffer airflow to bearing compartment

#187
20150226123
2015-08-13

Gas turbine engine buffer cooling system

#188
20150125264
2015-05-07

Gas turbine engine lubrication system

#189
20150093238
2015-04-02

Method for manufacturing turbocharger bearing housing, and turbocharger bearing housing

#190
20150083367
2015-03-26

Aviation bypass valve including a shape memory alloy material

#191
20150082804
2015-03-26

Turbine engine incorporating thermoelectric generators

#192
20150078696
2015-03-19

Bearing unit for a turbocharger

#193
20150056071
2015-02-26

Bearing systems for turbochargers used on internal combustion engines

#194
20150056064
2015-02-26

Turbocharger bearing housing

#195
20150052872
2015-02-26

Thermal isolating service tubes and assemblies thereof for gas turbine engines

#196
20150033756
2015-02-05

Gas Turbine with Primary and Secondary Lubricating Oil Cooler

#197
20140369811
2014-12-18

Integrated turbocharger casting

#198
20140271118
2014-09-18

Gas turbine engine lubrication system

#199
20140238042
2014-08-28

Gas turbine engine buffer system

#200
20140219777
2014-08-07

Turbocharger

#201
20140205447
2014-07-24

Purge and cooling air for an exhaust section of a gas turbine assembly

#202
20140157773
2014-06-12

Coolant jacket for a turbocharger oil drain

#203
20140150449
2014-06-05

Air cooling shaft at bearing interface

#204
20140119913
2014-05-01

Gas turbine engine with bearing compartment wall cooling

#205
20140090375
2014-04-03

Cooling structure of bearing housing for turbocharger

#206
20140086731
2014-03-27

Bearing unit for a turbocharger

#207
20130283757
2013-10-31

Mitigating vortex pumping effect upstream of oil seal

#208
20130266417
2013-10-10

Bearing cooling system for flexible shaft turbomachine

#209
20130255252
2013-10-03

Control of balance drift in turbocharger rotating assembly

#210
20130219917
2013-08-29

Gas turbine engine buffer cooling system

#211
20130192252
2013-08-01

Gas turbine engine buffer system

#212
20130192251
2013-08-01

BUFFER SYSTEM THAT COMMUNICATES BUFFER SUPPLY AIR TO ONE OR MORE PORTIONS OF A GAS TURBINE ENGINE

#213
20130192248
2013-08-01

Buffer system for communicating one or more buffer supply airs throughout a gas turbine engine

#214
20130192238
2013-08-01

Buffer system that communicates buffer supply air to one or more portions of a gas turbine engine

#215
20130177398
2013-07-11

System for pressuring the bearing chambers of turbine engines machines using air taken from the intake duct

#216
20130170975
2013-07-04

Fixed vane-type turbocharger

#217
20130127179
2013-05-23

Waste heat power generator

#218
20130084172
2013-04-04

Turbine exhaust section structures with internal flow passages

#219
20130078080
2013-03-28

Air system architecture for a mid-turbine frame module

#220
20130078079
2013-03-28

Seal plate with cooling passage

#221
20130047624
2013-02-28

Distributed lubrication system

#222
20130047623
2013-02-28

Accessory gearbox buffer cooling air pump system

#223
20130047605
2013-02-28

Turbocharger

#224
20120306206
2012-12-06

Ultra high pressure turbomachine for waste heat recovery

#225
20120279597
2012-11-08

Fluid calming member

#226
20120227371
2012-09-13

System for cooling and purging exhaust section of gas turbine engine

#227
20120093631
2012-04-19

Multi-stage turbocharger arrangement

#228
20120087785
2012-04-12

Multi-stage turbocharger arrangement

#229
20110302920
2011-12-15

Supercharged internal combustion engine

#230
20110250067
2011-10-13

Shaft seal

#231
20110229351
2011-09-22

Journal bearing with dual pass cooling for air machine

#232
20110198155
2011-08-18

Method and system for lubricating a turbine engine

#233
20110079019
2011-04-07

Cooling air system for mid turbine frame

#234
20110070076
2011-03-24

Cooling systems and assemblies for cooling an aft bearing assembly mounted to a rotor

#235
20100237619
2010-09-23

Power recovery machine

#236
20100236217
2010-09-23

Heat transfer system and method for turbine engine using heat pipes

#237
20100236215
2010-09-23

Heat transfer system and method for turbine engine using heat pipes

#238
20100104418
2010-04-29

Gas turbine having a rotor including a turbine rotor, expanded shaft and a compressor rotor

#239
20100092116
2010-04-15

PRESSURE BALANCED VALVE ASSEMBLY AND AIRCRAFT BUFFER COOLER SYSTEM EMPLOYING THE SAME

#240
20100074737
2010-03-25

Steam turbine

#241
20100043396
2010-02-25

Gas turbine engine fan bleed heat exchanger system

#242
20100018219
2010-01-28

Device for optimizing cooling in gas turbines

#243
20090282679
2009-11-19

Centering a part inside a shaft

#244
20090252604
2009-10-08

Thermal management system for a gas turbine engine

#245
20090238678
2009-09-24

Cold air buffer supply tube

#246
20090194044
2009-08-06

Electric supercharger

#247
20090155052
2009-06-18

Mounting tubes for pressurizing an internal enclosure in a turbomachine

#248
20090101087
2009-04-23

Supercharger

#249
20090081057
2009-03-26

Turbocharger

#250
20090077943
2009-03-26

Gas turbine power plant

#251
20090053044
2009-02-26

VTG mechanism assembly using wave spring

#252
20090007570
2009-01-08

Method and system for cooling fluid in a turbine engine

#253
20080314573
2008-12-25

Aircraft combination engines thermal management system

#254
20080304957
2008-12-11

Pane arrangement for a turbocharger

#255
20080245051
2008-10-09

Means for cooling a bearing assembly

#256
20080219844
2008-09-11

Reverse flow cooling for fan motor

#257
20080121376
2008-05-29

Turbine engine with integrated generator having shared lubrication system

#258
20080107522
2008-05-08

Radially energized oil capture device for a geared turbofan

#259
20080095611
2008-04-24

Method and apparatus for operating gas turbine engine heat exchangers

#260
20080083396
2008-04-10

Supercharger

#261
20080029175
2008-02-07

Fluid calming member

#262
20080029167
2008-02-07

Flow control arrangement

#263
20080016845
2008-01-24

Lubricant cooling exchanger dual intake duct

#264
20070264133
2007-11-15

Thermal management system for turbofan engines

#265
20070256421
2007-11-08

Gas turbine engine oil system operation

#266
20070193276
2007-08-23

Supercore sump vent pressure control

#267
20070169747
2007-07-26

Motor-driven supercharger

#268
20070086685
2007-04-19

Self contained squeeze film damping system

#269
20070059157
2007-03-15

Fluid flow engine

#270
20070036664
2007-02-15

Supercharger with electric motor

#271
20070028589
2007-02-08

Thermal management system for a gas turbine engine

#272
20070025835
2007-02-01

Internally-cooled seal housing for turbine engine

#273
20060248865
2006-11-09

Air/oil separation system and method

#274
20060153704
2006-07-13

Compressor ported shroud for foil bearing cooling

#275
20060088408
2006-04-27

Device for lubricating a component in a turbomachine

#276
20060056749
2006-03-16

Bearing arrangement

#277
20060032261
2006-02-16

Thermal management of a gas turbine bearing compartment utilizing separate lubrication and cooling circuits

#278
20050247061
2005-11-10

Method of and apparatus for cooling a seal for machinery

#279
20050235651
2005-10-27

Gas turbine engine including a low pressure sump seal buffer source and thermally isolated sump

#280
20050211093
2005-09-29

Air/oil separation system and method

#281
20050193732
2005-09-08

Method and apparatus for cooling turbomachinery components

#282
20050132706
2005-06-23

Device for supplying secondary air in a gas turbine engine

#283
20050039433
2005-02-24

Gas turbine power plant

#284
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2025-08-12

Bearing scavenge pump incorporated into turbine disk cover plate

#285
17900605
2023-03-07

Turbo fluid machine

#286
17820727
2023-02-21

Cryogenic oil-free direct drive turbogenerator

#287
16288704
2021-11-23

Gas turbine engine bearing with fuel lubrication and cooling

#288
16052029
2019-11-05

Turbocharger shafts with integrated cooling fans and turbochargers comprising the same