ClassID:

144249

F04D29/266 - CPC Classification

Classification description:

Details, component parts, or accessories; Rotors specially for elastic fluids mounting compressor rotors on shafts

Recent Application in this class:
#1
20260117788
2026-04-30

CENTRIFUGAL COMPRESSOR IMPELLER WITH NONLINEAR BACKWALL

#2
20260063136
2026-03-05

ROTOR, ROTARY MACHINE, AND METHOD FOR ASSEMBLING ROTOR

#3
20260002546
2026-01-01

COUPLING JOINTS TO INTERCONNECT AND TRANSMIT ROTATIONAL TORQUE BETWEEN ADJACENT IMPELLER BODIES IN A TURBOMACHINE

#4
20250020137
2025-01-16

COOLING ATTACHMENT SYSTEM FOR COMPRESSOR MOTOR ASSEMBLY

#5
20240263636
2024-08-08

IN A TURBOMACHINE, ROTOR STRUCTURE WITH SEAL ASSEMBLY AND METHOD IN CONNECTION WITH SAME

#6
20240151234
2024-05-09

CELL SEPARATION USING MICROCHANNEL HAVING PATTERNED POSTS

#7
20240133393
2024-04-25

TURBO-TYPE FLUID MACHINE AND REFRIGERATION APPARATUS

#8
20240117811
2024-04-11

IMPELLER PRELOADING BANDS

#9
20240093695
2024-03-21

Turbomachine, method for operating a turbomachine

#10
20240052846
2024-02-15

Centrifugal compressor impeller with nonlinear backwall

#11
20240026895
2024-01-25

ROTOR AND COMPRESSOR

#12
20230332614
2023-10-19

COMPRESSOR ROTOR HAVING SEAL ASSEMBLY WITHIN HIRTH COUPLING

#13
20230235741
2023-07-27

Regenerative multi-stage compressor

#14
20230228276
2023-07-20

Locking structure of compressor impeller and installation method, centrifugal compressor and refrigeration system

#15
20230193920
2023-06-22

Compressor rotor having flow loop through tie bolt

#16
20230175520
2023-06-08

Rotor structure for a turbomachine with features to control relative growth at axial interfaces

#17
20230147254
2023-05-11

Impeller attach mechanism

#18
20230125483
2023-04-27

Compressor rotor structure

#19
20230068110
2023-03-02

Compressor wheel arrangement and method for the production of a compressor wheel arrangement

#20
20230041460
2023-02-09

Monolithic rotor and compressor wheel

#21
20220381259
2022-12-01

Centrifugal compressor impeller with nonlinear backwall

#22
20220268291
2022-08-25

Rotary machine

#23
20220220978
2022-07-14

Compressor system

#24
20220136519
2022-05-05

DEVICE FOR COMPRESSING A FLUID DRIVEN BY AN ELECTRIC MACHINE WITH A COMPRESSION SHAFT PASSING THROUGH THE ROTOR

#25
20220049705
2022-02-17

Multi-stage turbomolecular pump

#26
20220049704
2022-02-17

Side-channel compressor for a fuel cell system for conveying and/or compressing a gaseous medium

#27
20210381522
2021-12-09

Compressor driveshaft assembly and compressor including same

#28
20210355956
2021-11-18

Fastener arrangement for rotating group of turbomachine

#29
20210340990
2021-11-04

Fluid machine

#30
20210277903
2021-09-09

Integrated gas compressor

#31
20210190087
2021-06-24

Impeller and rotary machine

#32
20210123381
2021-04-29

Turbine shaft, turbocharger, and manufacturing method of turbocharger

#33
20210115944
2021-04-22

Turbine nozzle airfoil profile

#34
20210062811
2021-03-04

Electric compressor

#35
20200386237
2020-12-10

Multichannel air pump

#36
20200300262
2020-09-24

Keyless impeller system and method

#37
20200291963
2020-09-17

Vacuum pump

#38
20200212760
2020-07-02

Motor-driven compressor

#39
20200149541
2020-05-14

Systems and methods to clamp an impeller to a compressor shaft

#40
20200116158
2020-04-16

Compressor impeller, compressor, and turbocharger

#41
20190376524
2019-12-12

Rotating body, turbocharger, and rotating body manufacturing method

#42
20190345920
2019-11-14

Modular pumping system

#43
20190339026
2019-11-07

Water-cooling head

#44
20190338781
2019-11-07

Vacuum pump with eccentrically driven vane (eccentric pump design with crank pin)

#45
20190242388
2019-08-08

COMPRESSOR ARRANGEMENT

#46
20190234415
2019-08-01

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#47
20190234414
2019-08-01

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#48
20190234413
2019-08-01

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#49
20190153868
2019-05-23

Turbocharger and method for assembling turbocharger

#50
20190145416
2019-05-16

Multi-stage compressor with turbine section for fuel cell system

#51
20190120132
2019-04-25

Turbocharger for an Internal Combustion Engine

#52
20190113048
2019-04-18

Impeller, rotary machine, and turbocharger

#53
20190078582
2019-03-14

Rotor of centrifugal compressor, centrifugal compressor, and method for manufacturing rotor of centrifugal compressor

#54
20190078578
2019-03-14

Rotary machine and impeller

#55
20190055949
2019-02-21

Turbo-molecular pump

#56
20190040870
2019-02-07

Polymeric compressor wheel with metal sleeve

#57
20190032502
2019-01-31

Revolving part for a turbine test bench for a turbomachine, turbine test bench comprising said part, and method for the use of these

#58
20190024670
2019-01-24

Compressor-impeller fixing nut, impeller assembly, and supercharger

#59
20190017436
2019-01-17

Clutched compressor section for gas turbine engine

#60
20190003482
2019-01-03

Multi-piece compressor wheel

#61
20180363669
2018-12-20

Electric machine

#62
20180363664
2018-12-20

Compressor

#63
20180334907
2018-11-22

Assembly on a shaft of a turbomachine of a bladed rotor disc and of a rotor of a low pressure compressor having at least two mobile nozzle stages

#64
20180266432
2018-09-20

Mounting structure and turbocharger

#65
20180238339
2018-08-23

Compressor Wheel With Supports

#66
20180171483
2018-06-21

COATING STRUCTURE, IMPELLER, COMPRESSOR, METAL PART MANUFACTURING METHOD, IMPELLER MANUFACTURING METHOD, AND COMPRESSOR MANUFACTURING METHOD

#67
20180128282
2018-05-10

Composite blisk

#68
20180066676
2018-03-08

Compressor wheel and shaft assembly

#69
20180062467
2018-03-01

Rotor assembly and turbine engine with gas bearings including such a rotor assembly

#70
20180058478
2018-03-01

VACUUM PUMP

#71
20180051709
2018-02-22

Impeller and method for producing such an impeller

#72
20180023394
2018-01-25

Rotor with a locking plate for securing an antirotation lock against unscrewing

#73
20180017068
2018-01-18

Turbocharger compressor wheel assembly

#74
20170370379
2017-12-28

Impeller with removable and replaceable vanes for centrifugal pump

#75
20170328373
2017-11-16

Compressor having a sealing channel

#76
20170306973
2017-10-26

Impeller and rotary machine

#77
20170306787
2017-10-26

Turbine engine rotating at high speeds

#78
20170306761
2017-10-26

Impeller and rotary machine

#79
20170276569
2017-09-28

Turbocharger compressor wheel assembly

#80
20170276143
2017-09-28

Turbocharger compressor wheel assembly

#81
20170130733
2017-05-11

Method for preventing the corrosion of an impeller-shaft assembly of a turbomachine

#82
20170022998
2017-01-26

Rotor structure for rotating machinery and method of assembly thereof

#83
20170009780
2017-01-12

Centrifugal compressor, turbocharger provided with the centrifugal compressor, and method for producing the centrifugal compressor

#84
20160377089
2016-12-29

Rotor for a turbocharger device, turbocharger device having a rotor, and shaft for a rotor of said type

#85
20160376889
2016-12-29

Radial tie-bolt support spring

#86
20160369817
2016-12-22

Method of manufacturing turbocharger and turbocharger

#87
20160362981
2016-12-15

Rotor component with surfaces for checking concentricity

#88
20160319832
2016-11-03

IMPELLER FASTENING STRUCTURE AND TURBO COMPRESSOR

#89
20160312787
2016-10-27

Shaped component for aluminum alloy turbo compressor wheel and method of manufacturing turbo compressor wheel

#90
20160290354
2016-10-06

Impeller, rotary machine, and impeller manufacturing method

#91
20160273545
2016-09-22

Rotational body and method for manufacturing the same

#92
20160265542
2016-09-15

Turbocharger and method

#93
20160265426
2016-09-15

Turbocharger with oil containment arrangement

#94
20160265386
2016-09-15

Turbocharger with low carbon steel shaft

#95
20160265385
2016-09-15

Turbocharger with bearing piloted compressor wheel

#96
20160222981
2016-08-04

Multistage centrifugal compressor

#97
20160222970
2016-08-04

High-flow-capacity centrifugal hydrogen gas compression systems, methods and components therefor

#98
20160215787
2016-07-28

Turbine compressor wheel with axially extended blades

#99
20160195109
2016-07-07

Attachment arrangement for turbo compressor

#100
20160131144
2016-05-12

Centrifugal compressor apparatus

#101
20160130947
2016-05-12

Method of connecting an impeller to a shaft, connection arrangement and rotary machine

#102
20160123342
2016-05-05

Systems and methods to clamp an impeller to a compressor shaft

#103
20160097283
2016-04-07

Compressor impeller assembly for a turbocharger

#104
20160061208
2016-03-03

Turbine wastegate

#105
20160033197
2016-02-04

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#106
20160033196
2016-02-04

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#107
20160003263
2016-01-07

Method for assembling compressor, and bundle guide device

#108
20150345504
2015-12-03

METHOD FOR FORMING A COATING MATRIX ON A SHAFT AND DISK ASSEMBLY FOR A TURBINE

#109
20150292401
2015-10-15

Systems, methods and apparatuses for interconnection of rotating components

#110
20150276523
2015-10-01

Wheel fastening inspection method, wheel fastening method, wheel fastening inspection device and wheel fastening device

#111
20150275978
2015-10-01

Shaft clamp assembly and a method of using the same

#112
20150275921
2015-10-01

Impeller shaft

#113
20150267712
2015-09-24

Exhaust gas turbocharger shaft having an impeller

#114
20150241303
2015-08-27

Method for inspecting a turbine engine rotor with a thru bolt threads inspection apparatus

#115
20150219121
2015-08-06

Reduction of turbocharger core unbalance with balance washer

#116
20150198046
2015-07-16

Impeller and rotating machine provided with same

#117
20150198043
2015-07-16

Rotor for a turbine or a compressor or a turbine/compressor geometry

#118
20150167695
2015-06-18

Impeller rotator and method of assembling said impeller rotator

#119
20150125306
2015-05-07

Method for Connecting a Shaft to a Rotary Component and Turbocharger Shaft Produced by said Method

#120
20150093247
2015-04-02

Turbo machine

#121
20150078915
2015-03-19

Piloted nut

#122
20150023785
2015-01-22

Coupling for directly driven compressor

#123
20140369840
2014-12-18

Connector

#124
20140356179
2014-12-04

Impeller and rotating machine provided with same

#125
20140341715
2014-11-20

Rotary machine including a machine rotor with a composite impeller portion and a metal shaft portion

#126
20140227079
2014-08-14

Midspan active magnetic bearing

#127
20140072444
2014-03-13

Rotor assembly

#128
20140072408
2014-03-13

Vacuum pump having fastening element for securing rotor part to rotor shaft and deformed safety element projecting in axial direction for preventing relative rotation between the rotor part and rotor shaft

#129
20140064975
2014-03-06

Impeller and rotary machine provided with the same

#130
20140012201
2014-01-09

Tube roller pump with auto-orientable and auto-lockable rotor and medical device for extracorporeal blood treatment with tube roller pump

#131
20130272895
2013-10-17

Impeller, rotor comprising same, and impeller manufacturing method

#132
20130251531
2013-09-26

Rotary machine

#133
20130219893
2013-08-29

Centrifugal compressor

#134
20130115088
2013-05-09

Compressor wheel shaft with recessed portion

#135
20130101435
2013-04-25

Shaft cap

#136
20130101433
2013-04-25

Tie rod

#137
20130045104
2013-02-21

COMPOSITE RINGS FOR IMPELLER-SHAFT FITTING

#138
20130022474
2013-01-24

Axial flow compressor

#139
20120321458
2012-12-20

Wheel and replaceable nose piece

#140
20120308380
2012-12-06

Vacuum pump

#141
20120263597
2012-10-18

Turbomachine rotor with anti-wear shim between a disk and an annulus

#142
20120189373
2012-07-26

Rotor disk for a turbo machine

#143
20120121433
2012-05-17

Rotating machine and method of assembly thereof

#144
20120039722
2012-02-16

Geared compressor rotor for cold gas applications

#145
20120014806
2012-01-19

Rotor assembly

#146
20120011857
2012-01-19

High-flow-capacity centrifugal hydrogen gas compression systems, methods and components therefor

#147
20110239695
2011-10-06

TURBO COMPRESSOR AND TURBO REFRIGERATOR

#148
20110232324
2011-09-29

Turbo compressor, turbo refrigerator, and method of manufacturing turbo compressor

#149
20110182736
2011-07-28

Impeller Assembly

#150
20110085906
2011-04-14

Fan retention shaft

#151
20110064581
2011-03-17

Connection of a shaft to a rotating component

#152
20110033282
2011-02-10

CHARGING DEVICE, MORE PREFERABLY EXHAUST GAS TURBOCHARGER FOR A MOTOR VEHICLE

#153
20100319344
2010-12-23

Compressor wheel

#154
20100209256
2010-08-19

Element which Generates a Magnetic Field

#155
20100158679
2010-06-24

RADIAL COMPRESSOR

#156
20100104457
2010-04-29

Turbocharger with friction-increasing coating

#157
20100003132
2010-01-07

Turbocharger

#158
20090311113
2009-12-17

Rotor assembly for multi-stage pump

#159
20090263253
2009-10-22

Engine components and rotor groups

#160
20090214348
2009-08-27

Method for manufacturing the rotor assembly of a rotating vacuum pump

#161
20080298971
2008-12-04

ANCHORAGE SYSTEM FOR THE ROTORS OF A ROTATING FLUID MACHINE

#162
20080193296
2008-08-14

Turbine wheel of turbocharger

#163
20080185928
2008-08-07

Rotor shaft for a magnetic bearing device

#164
20080008595
2008-01-10

Compressor wheel

#165
20070297907
2007-12-27

Vacuum Pump Impeller

#166
20070292268
2007-12-20

Turbo machine, compressor impeller used for turbo machine, and method of manufacturing turbo machine

#167
20070128044
2007-06-07

FLUID MACHINE

#168
20070122296
2007-05-31

Turbocharger having two-stage compressor with boreless first-stage impeller

#169
20070031270
2007-02-08

Fixing structure for fixing rotor to rotor shaft, and turbo molecular pump having the fixing structure

#170
20060177316
2006-08-10

Shrink-fit stress coupling for a shaft of differing materials

#171
20060127243
2006-06-15

Compressor wheel

#172
20060021221
2006-02-02

Titanium aluminide wheel and steel shaft connection thereto

#173
20050287006
2005-12-29

Device and method for detachably connecting an impeller to a shaft

#174
20050232775
2005-10-20

Fastening arrangement for an impeller on a shaft

#175
20050214125
2005-09-29

Impeller lock assembly and method

#176
20050214123
2005-09-29

Compressor wheel and shield

#177
20050191178
2005-09-01

Assembly including an electric motor and a load

#178
20050175477
2005-08-11

Turbocharger

#179
20050175465
2005-08-11

Structure for connecting compressor wheel and shaft

#180
20050169764
2005-08-04

Turbochargers

#181
20050127138
2005-06-16

Compressor rotor and method for making

#182
20050111998
2005-05-26

Compressor wheel joint

#183
20050056013
2005-03-17

Turbocharger compressor wheel having a counterbore treated for enhanced endurance to stress-induced fatigue and configurable to provide a compact axial length

#184
20050042105
2005-02-24

Compressor of turbo machine and its compressor wheel

#185
20050025640
2005-02-03

Vacuum pump and semiconductor manufacturing apparatus

#186
18909222
2026-04-28

Centrifugal compressor impeller with nonlinear backwall