ClassID:

145447

F05D2250/25 - CPC Classification

Classification description:

Geometry; Three-dimensional helical

Recent Application in this class:
#1
20250382896
2025-12-18

HYDRAULICALLY DRIVEN DE-OILER FOR GAS TURBINE ENGINES

#2
20250250927
2025-08-07

Heat Engine

#3
20250052160
2025-02-13

ROTOR BLADE SYSTEM FOR TURBINE ENGINES

#4
20240409222
2024-12-12

SYSTEM FOR COOLING A REFRIGERANT FOR AN AIRCRAFT COMPRISING A SAFETY HEATING DEVICE AND METHOD FOR USING SUCH A SYSTEM

#5
20240044254
2024-02-08

Airfoil assembly with an internal reinforcement structure

#6
20230220999
2023-07-13

Cooling for detonation engines

#7
20230061595
2023-03-02

Cooling for surface ignitors in torch ignition devices

#8
20230038843
2023-02-09

Turbine engine inducer assembly

#9
20230021707
2023-01-26

TURBINE COMPONENT WITH A THIN INTERIOR PARTITION

#10
20220243656
2022-08-04

Fiber-reinforced aircraft component and aircraft comprising same

#11
20220170418
2022-06-02

De-icing device for an air intake of an aircraft turbojet engine nacelle

#12
20210388738
2021-12-16

Turbocharger, having a steel material for high-temperature applications

#13
20210277828
2021-09-09

Alternating helicoid cell structure and methods of producing the same

#14
20210140444
2021-05-13

Screw systems

#15
20210115925
2021-04-22

Rotary machine with cooling jacket including helical groove

#16
20210115879
2021-04-22

SPACE PROPULSION SYSTEM

#17
20210062664
2021-03-04

Turbine engine inducer assembly

#18
20210025405
2021-01-28

System for a combined turbine and bearing case for a turbocharger

#19
20210003076
2021-01-07

Fiber-reinforced aircraft component and aircraft comprising same

#20
20200363142
2020-11-19

Flow mixer duct for a bleed system

#21
20200277969
2020-09-03

Fan cover

#22
20200248575
2020-08-06

Spiraling grooves as a hub treatment for cantilevered stators in compressors

#23
20200248571
2020-08-06

Diffuser-deswirler for a gas turbine engine

#24
20200230779
2020-07-23

Abrasive flow machining method and article

#25
20200217325
2020-07-09

Turbine with internal blades

#26
20200208524
2020-07-02

Disc turbine with static distributor

#27
20200040907
2020-02-06

Screw systems

#28
20200011187
2020-01-09

GAS TURBINE ENGINE COMPONENT COOLING CAVITY WITH VORTEX PROMOTING FEATURES

#29
20200003422
2020-01-02

Self-pumping fuel injector for a gas turbine engine and method of operation

#30
20190330987
2019-10-31

Spiral cavities for gas turbine engine components

#31
20190292920
2019-09-26

Turbine component with a thin interior partition

#32
20190292918
2019-09-26

Turbine vane including a cooling-air intake portion including a helical element for swirling the cooling air

#33
20190186741
2019-06-20

Power-generation Gas Turbine with Plasma-assisted Combustion Using Multiple Resonators and a Directed Flame Path

#34
20190094052
2019-03-28

Flowmeter with discontinuous helicoid turbine

#35
20190086083
2019-03-21

Duct assembly including helicoidal structure and gas turbine combustor including the same

#36
20190048931
2019-02-14

Intershaft seal assembly with multi-axis stepped grooves

#37
20190010867
2019-01-10

Jet engine with deflector

#38
20190003316
2019-01-03

HELICAL SKIN COOLING PASSAGES FOR TURBINE AIRFOILS

#39
20180372172
2018-12-27

Transmission mechanism comprising a coupling member, turbomachine equipped with such a mechanism and operating method of said mechanism

#40
20180347382
2018-12-06

Centrifugal compressor and turbocharger

#41
20180328313
2018-11-15

Coil spring hanger for exhaust duct liner

#42
20180320801
2018-11-08

Turbine engine duct

#43
20180274376
2018-09-27

Diffuser-deswirler for a gas turbine engine

#44
20180258749
2018-09-13

System and method for system and method for a turbomachine multiphase hyrdrocarbon pump having an auger coupling

#45
20180230835
2018-08-16

Arrangement for a gas turbine combustion engine

#46
20180209284
2018-07-26

Turbine engine inducer assembly

#47
20180149023
2018-05-31

Turbine engine components with cooling features

#48
20180142559
2018-05-24

Cooling structure for a turbine component

#49
20180119620
2018-05-03

Flow limiter

#50
20180112627
2018-04-26

Solid rocket motor with vortex inducing feature

#51
20180112531
2018-04-26

Rotor disc with passages

#52
20180094535
2018-04-05

Gyratory-effect flow deflector of a discharge valve system, discharge valve system and turbine engine comprising such a discharge valve system

#53
20180080386
2018-03-22

Gas turbine engine with a geared turbofan arrangement

#54
20180057141
2018-03-01

Biomimetic airfoil bodies and methods of designing and making same

#55
20180003022
2018-01-04

System and method for a multiphase hydrocarbon pump having an auger coupling

#56
20170363011
2017-12-21

Method and system for rotating air seal with integral flexible heat shield

#57
20170361418
2017-12-21

Abrasive flow machining method

#58
20170321569
2017-11-09

Turbomachine including clearance control system

#59
20170292453
2017-10-12

Acoustic attenuation panel for a turbojet engine nacelle

#60
20170275998
2017-09-28

Gas turbine airfoil including integrated leading edge and tip cooling fluid passage and core structure used for forming such an airfoil

#61
20170261209
2017-09-14

Anti-coking liquid fuel injector assembly for a combustor

#62
20170159567
2017-06-08

Baffle insert for a gas turbine engine component and method of cooling

#63
20170159454
2017-06-08

Gas turbine engine component with a baffle insert

#64
20170130595
2017-05-11

Converging flow joint insert system at an intersection between adjacent transitions extending between a combustor and a turbine assembly in a gas turbine engine

#65
20170114655
2017-04-27

Sealing assembly

#66
20170108035
2017-04-20

Reversible spiral groove journal bearing for use on standard and reverse rotation turbochargers

#67
20170081958
2017-03-23

Staggered crossovers for airfoils

#68
20170067348
2017-03-09

Damper pin for a turbine blade

#69
20170037814
2017-02-09

Catalyst chamber with a catalyst bed embedded therein for a monopropellant thruster of a rocket engine

#70
20170014949
2017-01-19

Component manufacture

#71
20160356172
2016-12-08

Movable vane control system

#72
20160327274
2016-11-10

Self-pumping fuel injector for a gas turbine engine and method of operation

#73
20160326899
2016-11-10

Intermittent grooved soft abradable material to reduce blade tip temperature

#74
20160312624
2016-10-27

Gas turbine engine component cooling cavity with vortex promoting features

#75
20160298492
2016-10-13

Turbine case coupling

#76
20160245177
2016-08-25

Particle separating fluid intake

#77
20160245085
2016-08-25

ROTATION BODY OF NOZZLE FOR REACTION-TYPE STEAM TURBINE

#78
20160237852
2016-08-18

Tortuous cooling passageway for engine component

#79
20160230664
2016-08-11

Pedestals with heat transfer augmenter

#80
20160138444
2016-05-19

Turbomachine accessory gearbox equipped with an air/oil separator

#81
20160131040
2016-05-12

Heat exchanger having a coaxial or concentric tube construction

#82
20160115796
2016-04-28

Turbine blade cooling structure

#83
20160109134
2016-04-21

Fuel reformer chamber with tubular mesh insert supporting a catalyst

#84
20160010467
2016-01-14

Gas turbine engine component cooling channels

#85
20150337667
2015-11-26

Airfoil cooling device and method of manufacture

#86
20150330235
2015-11-19

Variable dual spring blade root support for gas turbines

#87
20150233299
2015-08-20

Turbocharger shaft seal

#88
20150159494
2015-06-11

Multi-orifice plate for cooling flow control in vane cooling passage

#89
20150121821
2015-05-07

Jet engine with deflector

#90
20150104306
2015-04-16

Fan casing arrangement for a gas turbine engine and related method

#91
20150068211
2015-03-12

Radial midframe baffle for can-annular combustor arrangement having tangentially oriented combustor cans

#92
20150040566
2015-02-12

Helical seal system for a turbomachine

#93
20140298771
2014-10-09

Gas turbine exhaust diffuser with helical turbulator

#94
20140260317
2014-09-18

Gas turbine combustor exit piece with hinged connections

#95
20140227076
2014-08-14

Fan containment system

#96
20140161626
2014-06-12

Method for manufacturing an oxide/oxide composite material turbomachine blade provided with internal channels

#97
20140140860
2014-05-22

Aerofoil cooling

#98
20140112792
2014-04-24

Damper pin

#99
20140109593
2014-04-24

Coil spring hanger for exhaust duct liner

#100
20140041393
2014-02-13

SYSTEMS AND METHODS FOR PROCESSING INLET AIR

#101
20130294894
2013-11-07

Jet engine with deflector

#102
20130291726
2013-11-07

Jet engine deflector

#103
20130263569
2013-10-10

Helical cross flow (HCF) pulse detonation engine

#104
20130247585
2013-09-26

Non-combustion energy source and configuration for brayton cycle heat engines

#105
20130195650
2013-08-01

Gas Turbine Pattern Swirl Film Cooling

#106
20130192264
2013-08-01

Turbine engine gearbox

#107
20130183514
2013-07-18

FIBER COMPOSITE ASSEMBLY AND PROCESS OF FABRICATING A FIBER COMPOSITE ASSEMBLY

#108
20130156590
2013-06-20

Gas turbine engine rotor wheel having composite material blades with blade-root to disk connection being obtained by clamping

#109
20130156542
2013-06-20

Energy-absorbing fan case for a gas turbine engine

#110
20130111859
2013-05-09

DESIGN AND SHAPE FOR PULSE CARTRIDGES TO ALLOW HYDROPHOBIC MEDIA TO DRAIN AND GENERALLY INCREASE WORKING SURFACE AREA

#111
20130067885
2013-03-21

Fan case thrust reverser

#112
20130008178
2013-01-10

Support assembly for transition duct in turbine system

#113
20120315141
2012-12-13

FLOW MIXER

#114
20120237350
2012-09-20

Turbine blade with mate face cooling air flow

#115
20120237348
2012-09-20

Damper pin

#116
20120210695
2012-08-23

Belted toroid pressure vessel and method for making the same

#117
20120151898
2012-06-21

System and method of combustion for sustaining a continuous detonation wave with transient plasma

#118
20120104700
2012-05-03

Spiral wound bound seal

#119
20120076665
2012-03-29

Cooled turbine blades for a gas-turbine engine

#120
20120076645
2012-03-29

Endwall component for a turbine stage of a gas turbine engine

#121
20120066908
2012-03-22

Helical inner diameter groove journal bearing

#122
20120006614
2012-01-12

Gas-turbine exhaust cone

#123
20120000168
2012-01-05

Inlet air filtration system

#124
20110272890
2011-11-10

FIRESEAL

#125
20110194929
2011-08-11

Turbomachine

#126
20110075957
2011-03-31

Helical inner diameter groove journal bearing

#127
20110033280
2011-02-10

HYBRID RAM AIR TURBINE WITH INLET GUIDE VANES

#128
20100242435
2010-09-30

Helical cross flow (HCF) pulse detonation engine

#129
20100239412
2010-09-23

Film-cooling augmentation device and turbine airfoil incorporating the same

#130
20100170263
2010-07-08

Vortex combustor for low NOX emissions when burning lean premixed high hydrogen content fuel

#131
20100170258
2010-07-08

COOLING APPARATUS FOR COMBUSTOR TRANSITION PIECE

#132
20100139903
2010-06-10

Heat exchanging hollow passages with helicoidal grooves

#133
20100119377
2010-05-13

Cooling arrangement

#134
20100098526
2010-04-22

Airfoil with cooling passage providing variable heat transfer rate

#135
20100071374
2010-03-25

Spiral cooled fuel nozzle

#136
20100037618
2010-02-18

Transition with a linear flow path for use in a gas turbine engine

#137
20090322102
2009-12-31

System and method for power production using a hybrid helical detonation device

#138
20090304494
2009-12-10

Counter-vortex paired film cooling hole design

#139
20090241511
2009-10-01

Heat exchange injector for use in a rocket engine

#140
20090196733
2009-08-06

Rotary pressure rise combustor for a gas turbine engine

#141
20090193786
2009-08-06

System and method of continuous detonation in a gas turbine engine

#142
20090185903
2009-07-23

Turbine blade

#143
20090178412
2009-07-16

Apparatus and method for a gas turbine entrainment system

#144
20090178386
2009-07-16

Aircraft Propulsion System

#145
20090173337
2009-07-09

Solar heat collector, sunlight collecting reflector, sunlight collecting system and solar energy utilization system

#146
20090158743
2009-06-25

Fuel distribution apparatus

#147
20090148274
2009-06-11

Compact bearing support

#148
20090113895
2009-05-07

Vortex combustor for low NOx emissions when burning lean premixed high hydrogen content fuel

#149
20090102203
2009-04-23

SYSTEM AND METHOD FOR POWER PRODUCTION USING A HYBRID HELICAL DETONATION DEVICE

#150
20090035132
2009-02-05

Housing for a centrifugal fan, pump, or turbine

#151
20090004008
2009-01-01

Blade mounting

#152
20080290604
2008-11-27

Barrier sealing system for centrifugal compressors

#153
20080279695
2008-11-13

Enhanced turbine airfoil cooling

#154
20080273969
2008-11-06

Hybrid worm gas turbine engine

#155
20080256924
2008-10-23

Ultra-compact, high performance aerovortical rocket thruster

#156
20080226456
2008-09-18

Fan assembly and method

#157
20080120978
2008-05-29

Propulsion system

#158
20080008581
2008-01-10

Rotor for jet turbine engine having both insulation and abrasive material coatings

#159
20070295860
2007-12-27

Propulsion system, aircraft comprising the propulsion system and an outlet device for a jet engine

#160
20070147989
2007-06-28

Fan or compressor casing

#161
20070144142
2007-06-28

Outlet nozzle and a method for manufacturing an outlet nozzle

#162
20070137174
2007-06-21

Axial flow positive displacement worm gas generator

#163
20070137173
2007-06-21

Axial flow positive displacement gas generator with combustion extending into an expansion section

#164
20070044936
2007-03-01

Cooled turbine airfoils and methods of manufacture

#165
20070025846
2007-02-01

Vortical flow rotor

#166
20070017225
2007-01-25

Combustion transition duct providing stage 1 tangential turning for turbine engines

#167
20070014664
2007-01-18

Cooled component of a fluid-flow machine, method of casting a cooled component, and a gas turbine

#168
20070003414
2007-01-04

Housing for a centrifugal fan, pump, or turbine

#169
20060288707
2006-12-28

Support system for transition ducts

#170
20060280607
2006-12-14

Turbine component

#171
20060153683
2006-07-13

Anti-rotation lock

#172
20060088418
2006-04-27

Fan assembly and method

#173
20060056749
2006-03-16

Bearing arrangement

#174
20060042245
2006-03-02

Exhaust turbocharger

#175
20050175454
2005-08-11

Turbulated hole configurations for turbine blades

#176
20050155224
2005-07-21

Method of forming a fuel feed passage in the feed arm of a fuel injector

#177
20050053459
2005-03-10

Microcircuit cooling for a turbine airfoil

#178
18343928
2024-06-11

Damper element with spring-suspended bearing member for vibration dampening system for turbine blade