ClassID:

145425

F05D2250/15 - CPC Classification

Classification description:

Geometry; Two-dimensional spiral

Recent Application in this class:
#1
20250137388
2025-05-01

TURBINE

#2
20250084787
2025-03-13

CONDENSER FOR HYDROGEN STEAM INJECTED TURBINE ENGINE

#3
20230400032
2023-12-14

Energy-saving device for rapidly and infinitely compressing air

#4
20230366348
2023-11-16

Condenser for hydrogen steam injected turbine engine

#5
20230147046
2023-05-11

Turbine housing for an exhaust gas turbocharger

#6
20230068498
2023-03-02

Method of reducing turbine wheel high cycle fatigue in sector-divided dual volute turbochargers

#7
20220243656
2022-08-04

Fiber-reinforced aircraft component and aircraft comprising same

#8
20220056921
2022-02-24

Impeller design and manufacturing method with pentagonal channel geometry

#9
20210404345
2021-12-30

SCREW ROCKET NOZZLE

#10
20210388738
2021-12-16

Turbocharger, having a steel material for high-temperature applications

#11
20210115879
2021-04-22

SPACE PROPULSION SYSTEM

#12
20210102474
2021-04-08

Replaceable rotor blade tip clearance measurement device for a gas turbine engine

#13
20210062826
2021-03-04

Rotating guide vane module for hydraulic working condition adjustment and method of assembling in turbopump

#14
20210003076
2021-01-07

Fiber-reinforced aircraft component and aircraft comprising same

#15
20200392870
2020-12-17

Manufacturing method of turbine housing

#16
20200277863
2020-09-03

Turbine engine airfoil assembly

#17
20200102840
2020-04-02

TURBINE BLADE

#18
20200095868
2020-03-26

COOLING HOLE GEOMETRY FOR GAS TURBINE ENGINE COMPONENTS

#19
20200025012
2020-01-23

Turbine shroud having ceramic matrix composite seal segment

#20
20200024988
2020-01-23

Dual volute turbocharger with asymmetric tongue-to-wheel spacing

#21
20190345832
2019-11-14

SCREW ROCKET NOZZLE

#22
20190330987
2019-10-31

Spiral cavities for gas turbine engine components

#23
20190292918
2019-09-26

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

#24
20190120071
2019-04-25

Turbine engine comprising a straightening assembly

#25
20190106998
2019-04-11

Air flow straightening assembly and turbomachine including such an assembly

#26
20190048933
2019-02-14

Bearing device and exhaust turbine turbocharger

#27
20190010867
2019-01-10

Jet engine with deflector

#28
20180347382
2018-12-06

Centrifugal compressor and turbocharger

#29
20180085880
2018-03-29

Blade outer air seal surface

#30
20180057141
2018-03-01

Biomimetic airfoil bodies and methods of designing and making same

#31
20180023399
2018-01-25

Forming cooling passages in thermal barrier coated, combustion turbine superalloy components

#32
20170370241
2017-12-28

Turbine shroud with abradable layer having dimpled forward zone

#33
20170363316
2017-12-21

Shell ductings for cool air delivery

#34
20170342998
2017-11-30

Turbocharger

#35
20170254214
2017-09-07

On-off valve device and rotary machine

#36
20170219295
2017-08-03

Spiral wound cross-flow heat exchanger

#37
20170218836
2017-08-03

On-off valve device and rotary machine

#38
20170198717
2017-07-13

Fan track liner subassembly angled upturn joint

#39
20170175559
2017-06-22

Blade outer air seal with integrated air shield

#40
20170114655
2017-04-27

Sealing assembly

#41
20170089264
2017-03-30

Spiral cooling of combustor turbine casing aft plenum

#42
20170044920
2017-02-16

Turbine shroud having ceramic matrix composite seal segment

#43
20170016340
2017-01-19

Blade or vane row and gas turbine

#44
20160326899
2016-11-10

Intermittent grooved soft abradable material to reduce blade tip temperature

#45
20160290290
2016-10-06

Gas turbine engine fuel cooled cooling air heat exchanger

#46
20160281602
2016-09-29

Fluid delivery system for a gas turbine engine

#47
20160237852
2016-08-18

Tortuous cooling passageway for engine component

#48
20160230571
2016-08-11

Method of mounting a turbine wheel axial retention device

#49
20160138605
2016-05-19

Debris removing impeller back vane

#50
20160115796
2016-04-28

Turbine blade cooling structure

#51
20160010467
2016-01-14

Gas turbine engine component cooling channels

#52
20150176433
2015-06-25

TURBINE HOUSING FOR AN EXHAUST GAS TURBOCHARGER

#53
20150143814
2015-05-28

Industrial gas turbine exhaust system with area ruled exhaust path

#54
20150143813
2015-05-28

Industrial gas turbine exhaust system with splined profile tail cone

#55
20150143810
2015-05-28

Industrial gas turbine exhaust system diffuser inlet lip

#56
20150121821
2015-05-07

Jet engine with deflector

#57
20150078884
2015-03-19

Turbocharger

#58
20150068211
2015-03-12

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

#59
20140328666
2014-11-06

Bezentropic Bladeless Turbine

#60
20140252772
2014-09-11

Spiral turbine operating on pressure principle

#61
20140227087
2014-08-14

Blade outer air seal surface

#62
20140161626
2014-06-12

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

#63
20140140860
2014-05-22

Aerofoil cooling

#64
20140026999
2014-01-30

EXHAUST DIFFUSER FOR A GAS TURBINE ENGINE HAVING CURVED AND OFFSET STRUTS

#65
20130294894
2013-11-07

Jet engine with deflector

#66
20130291726
2013-11-07

Jet engine deflector

#67
20130243634
2013-09-19

Self-cleaning screw-type centrifugal wheel pump with recirculation behind the impeller

#68
20130243568
2013-09-19

Self-cleaning cover plate in a pump with radial flow

#69
20130224011
2013-08-29

Gas turbine engine bearing support strut

#70
20120306167
2012-12-06

Torsion seal

#71
20120104700
2012-05-03

Spiral wound bound seal

#72
20120017586
2012-01-26

Variable turbocharger and control method for the same

#73
20120003091
2012-01-05

ROTOR ASSEMBLY FOR USE IN GAS TURBINE ENGINES AND METHOD FOR ASSEMBLING THE SAME

#74
20100242437
2010-09-30

Fuel-cooled flexible heat exchanger with thermoelectric device compression

#75
20100183428
2010-07-22

Modular serpentine cooling systems for turbine engine components

#76
20090314161
2009-12-24

Cyclone separator

#77
20090246010
2009-10-01

Gas turbine arrangement

#78
20090193806
2009-08-06

Variable turbocharger and control method for the same

#79
20090136348
2009-05-28

Vibration damping of a static part using a retaining ring

#80
20090035132
2009-02-05

Housing for a centrifugal fan, pump, or turbine

#81
20080290604
2008-11-27

Barrier sealing system for centrifugal compressors

#82
20080236167
2008-10-02

Variable-section flow mixer for a double-flow turbojet for a supersonic airplane

#83
20080155957
2008-07-03

Rotary, continuous, combustion turbine

#84
20080120978
2008-05-29

Propulsion system

#85
20070025846
2007-02-01

Vortical flow rotor

#86
20070003414
2007-01-04

Housing for a centrifugal fan, pump, or turbine

#87
20060165521
2006-07-27

Scroll casing for centrifugal blowers

#88
20060042245
2006-03-02

Exhaust turbocharger

#89
20050220621
2005-10-06

Composite integrally bladed rotor

#90
20050031452
2005-02-10

Cooling system for an outer wall of a turbine blade