ClassID:

144180

F04D29/051 - CPC Classification

Classification description:

Details, component parts, or accessories; Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps Axial thrust balancing

Sub-classes:
Recent Application in this class:
#1
20260117785
2026-04-30

FAN AND ELECTRONIC DEVICE EMPLOYING FAN

#2
20250188953
2025-06-12

GYROSCOPIC AIR HANDLER METHOD AND APPARATUS

#3
20250101987
2025-03-27

CENTRIFUGAL COMPRESSOR WITH ENERGY RECOVERY FROM A RECYCLE LINE

#4
20250075707
2025-03-06

TURBOPUMP CAPABLE OF BALANCING AXIAL THRUST

#5
20250067268
2025-02-27

THRUST-BALANCING DEVICE FOR GENERATING POWER

#6
20240133393
2024-04-25

TURBO-TYPE FLUID MACHINE AND REFRIGERATION APPARATUS

#7
20240060500
2024-02-22

ROTOR INTEGRATED AXIAL FLUX ELECTRIC MOTOR

#8
20240060499
2024-02-22

ROTOR INTEGRATED AXIAL FLUX ELECTRIC MOTOR

#9
20240018966
2024-01-18

Centrifugal compressor

#10
20230366300
2023-11-16

Shielding for a magnetic bearing in an electric submersible pump (ESP) assembly

#11
20230313806
2023-10-05

ELECTRIC COMPRESSOR

#12
20230204037
2023-06-29

CENTRIFUGAL COMPRESSOR

#13
20230184257
2023-06-15

Ventilation fan having a hybrid bearing system

#14
20230085189
2023-03-16

Turbomachinery shaft with variable lattice densities

#15
20230065642
2023-03-02

ELECTRIC PUMP WITH ISOLATED STATOR

#16
20230041460
2023-02-09

Monolithic rotor and compressor wheel

#17
20220403850
2022-12-22

Centrifugal compressor and refrigeration system

#18
20220403847
2022-12-22

Pump having opposing magnets between a rotor and stator, and related assemblies, systems, and methods

#19
20220275763
2022-09-01

Gas turbine engine

#20
20220220963
2022-07-14

Thrust-balancing wet gas compressor

#21
20220074418
2022-03-10

Motor-driven compressor having a compression section mounted on a free end of a cantilvered shaft

#22
20220006352
2022-01-06

Magnetic supporting of thrust load for downhole-type artificial lift system

#23
20210324869
2021-10-21

High energy density turbomachines

#24
20210270275
2021-09-02

COMPRESSOR WITH THRUST CONTROL

#25
20210254876
2021-08-19

Compressor and chiller system having the same

#26
20210115929
2021-04-22

Turbo compressor

#27
20210095602
2021-04-01

GAS TURBINE ENGINE

#28
20210033110
2021-02-04

Motor and bearing cooling paths

#29
20200368415
2020-11-26

Blood-immersed bearing system for a blood pump

#30
20200362874
2020-11-19

Ventilation fan having a hybrid bearing system

#31
20200325906
2020-10-15

Rotary machine with improved shaft

#32
20200318883
2020-10-08

ROTARY MACHINE

#33
20200318645
2020-10-08

Load Bearing Direct Drive Fan System With Variable Process Control

#34
20200248716
2020-08-06

Vertical pump having self-compensating thrust balance device

#35
20200248696
2020-08-06

Pump having magnets for journaling and magnetically axially positioning rotor thereof, and related methods

#36
20200235635
2020-07-23

Magnetic levitation bearing, magnetic levitation rotor support assembly, and compressor

#37
20200208471
2020-07-02

Downhole blower system with pin bearing

#38
20200158119
2020-05-21

Seal arrangement for superchargers

#39
20200149541
2020-05-14

Systems and methods to clamp an impeller to a compressor shaft

#40
20200149540
2020-05-14

Magnetic bearing centrifugal compressor and controlling method thereof

#41
20200072229
2020-03-05

Thrust-balancing wet gas compressor

#42
20190390683
2019-12-26

Counter rotating back-to-back fluid movement system

#43
20190368325
2019-12-05

Axial gap generator measurement tool

#44
20190338787
2019-11-07

Axial thrust loading mitigation in a turbocharger

#45
20190301481
2019-10-03

Bearing anti-rotation spacer with integrated oil deflection features

#46
20190285091
2019-09-19

Rotary machine

#47
20190277300
2019-09-12

Compressor and chiller system including same

#48
20190234216
2019-08-01

High efficiency centrifugal impeller with balancing weights

#49
20190226491
2019-07-25

Blower device and blower system equipped with blower device

#50
20190203731
2019-07-04

TURBOCHARGER THRUST BEARING AND MANUFACTURING METHOD

#51
20190170151
2019-06-06

Magnetic bearing device and fluid machine system using same

#52
20190154043
2019-05-23

Turbocharger

#53
20190145415
2019-05-16

System for moving fluid with opposed axial forces

#54
20190136872
2019-05-09

Electric blower and electric equipment

#55
20190101135
2019-04-04

AIR MOVER CIRCUITRY AND COMPLIANT MEMBER

#56
20190093504
2019-03-28

Axial retention of a fan shaft in a gas turbine engine

#57
20190089290
2019-03-21

High speed motor drive

#58
20190089221
2019-03-21

MAGNETIC THRUST LOAD SUPPORT FOR DOWNHOLE-TYPE SYSTEM

#59
20190085850
2019-03-21

Compressor

#60
20190085672
2019-03-21

Sealless downhole system with magnetically supported rotor

#61
20190085671
2019-03-21

Thrust load support for downhole-type system

#62
20190085669
2019-03-21

Active magnetic bearing control for downhole-type system

#63
20190085668
2019-03-21

Axial gap generator measurement tool

#64
20190063221
2019-02-28

Axial thrust balancing device

#65
20190055957
2019-02-21

Centrifugal fan

#66
20180356129
2018-12-13

CENTRIFUGAL REFRIGERANT VAPOUR COMPRESSORS

#67
20180355891
2018-12-13

Rotating machine

#68
20180274548
2018-09-27

Auxiliary turbomachinery shaft support system and turbomachinery comprising said system

#69
20180216620
2018-08-02

Centrifugal pump assemblies having an axial flux electric motor and methods of assembly thereof

#70
20180209436
2018-07-26

Centrifugal compressor having equalizing vent to prevent grease from being pushed out of a bearing

#71
20180209435
2018-07-26

Centrifugal compressor

#72
20180209434
2018-07-26

SUBSEA CENTRIFUGAL COMPRESSOR WITH HORIZONTAL SHAFT AND WITH ONLY ONE AXIAL THRUST BEARING

#73
20180195520
2018-07-12

Turbo compressor

#74
20180180057
2018-06-28

Downhole blower system with bearings and seals

#75
20180180055
2018-06-28

Downhole blower system with pin bearing

#76
20180179861
2018-06-28

Integrated control of downhole and surface blower systems

#77
20180172008
2018-06-21

Threaded connection for tandem motors of electrical submersible pump

#78
20180163739
2018-06-14

Turbocharger assembly

#79
20180163738
2018-06-14

Turbocharger assembly

#80
20180163737
2018-06-14

Turbocharger assembly

#81
20180156067
2018-06-07

Turbocharger Having Thrust Bearing Oil Retainer

#82
20180142694
2018-05-24

Centrifugal compressor having an inter-stage sealing arrangement

#83
20180128280
2018-05-10

ROTOR AND VACUUM PUMP EQUIPPED WITH SAME

#84
20180128274
2018-05-10

Supercharged internal combustion engine with compressor

#85
20180100511
2018-04-12

FAN MOTOR

#86
20180087519
2018-03-29

Turbocharger thrust bearing and manufacturing method

#87
20180087518
2018-03-29

TURBOCHARGER THRUST BEARING AND MANUFACTURING METHOD

#88
20180080430
2018-03-22

Integrated turbomachine with an axial locking device

#89
20180073779
2018-03-15

CENTRIFUGAL COMPRESSOR

#90
20180066670
2018-03-08

Ventilation fan having a hybrid bearing system

#91
20180066666
2018-03-08

Ventilation fan having air bearing system

#92
20180058463
2018-03-01

Load bearing direct drive fan system with variable process control

#93
20180045208
2018-02-15

ELECTRIC MOTOR FOR A FLUID CIRCULATOR

#94
20180038378
2018-02-08

Variable preloaded duplex thrust bearing system for a geared turbofan engine

#95
20180003081
2018-01-04

Bearing device for turbocharger, and turbocharger

#96
20170370364
2017-12-28

Centrifugal compressor assembly and method of operation with an airconditioner

#97
20170342998
2017-11-30

Turbocharger

#98
20170298948
2017-10-19

Center bushing to balance axial forces in multi-stage pumps

#99
20170268524
2017-09-21

Motor, and motor control system

#100
20170248346
2017-08-31

Centrifugal refrigerant vapour compressors

#101
20170241428
2017-08-24

Seal assembly for abrasion resistant bearing of centrifugal pump

#102
20170234316
2017-08-17

Dual seal arrangement for superchargers

#103
20170234213
2017-08-17

Turbomachine

#104
20170175754
2017-06-22

Apparatus for pressurizing a fluid within a turbomachine and method of operating the same

#105
20170175752
2017-06-22

THRUST COMPENSATION SYSTEM FOR FLUID TRANSPORT DEVICES

#106
20170152888
2017-06-01

Leveling plate and thrust bearing device using the same

#107
20170146019
2017-05-25

Multistage centrifugal pump with shaft hydraulic force compensation

#108
20170130730
2017-05-11

AXIAL BEARING OFFLOADING IN FLUID PROCESSING MACHINES

#109
20170122339
2017-05-04

Axial thrust loading mitigation in a turbocharger

#110
20170107994
2017-04-20

Drive device and blower device

#111
20170074287
2017-03-16

COMPRESSOR WHEEL-SHAFT ASSEMBLY

#112
20170067472
2017-03-09

THRUST BEARING ASSEMBLY INCLUDING LINED BEARING SURFACES

#113
20160333888
2016-11-17

Support apparatus for balance correction

#114
20160312655
2016-10-27

Foil bearing, and foil bearing unit and turbo machine each having same

#115
20160298638
2016-10-13

Load-relieving device

#116
20160290345
2016-10-06

Motor-compressor with stage impellers integrated in the motor-rotors

#117
20160265545
2016-09-15

Expander-integrated compressor, refrigerator and operating method for refrigerator

#118
20160195100
2016-07-07

Device for generating a dynamic axial thrust to balance the overall axial thrust of a radial rotating machine

#119
20160177961
2016-06-23

Turbo machine

#120
20160177960
2016-06-23

DUAL THRUST BEARING FOR A TURBOCHARGER

#121
20160131155
2016-05-12

Geared centrifugal compressor with pressure adjustment portion to balance axial thrust

#122
20160123342
2016-05-05

Systems and methods to clamp an impeller to a compressor shaft

#123
20160115909
2016-04-28

Turbocharger thrust bearing debris trap

#124
20160102705
2016-04-14

Rotating machine with at least one active magnetic bearing and auxiliary rolling bearings

#125
20160061210
2016-03-03

Turbo compressor and turbo chiller using same

#126
20160032936
2016-02-04

Turbocharger compressor oil deflector and method

#127
20160032928
2016-02-04

Threaded connection for tandem motors of electrical submersible pump

#128
20150292330
2015-10-15

Method of making a turbomachine

#129
20150275911
2015-10-01

Compact turbomachine with magnetic bearings and auxiliary bearings

#130
20150252810
2015-09-10

Compressor wheel with balance correction and positive piloting

#131
20150240829
2015-08-27

Rotor and vacuum pump equipped with same

#132
20150219106
2015-08-06

TURBO COMPRESSOR

#133
20150167687
2015-06-18

Centrifugal compressor

#134
20150125263
2015-05-07

FLINGER OIL SEAL AND TURBOCHARGER INCORPORATING THE SAME

#135
20150078884
2015-03-19

Turbocharger

#136
20150016981
2015-01-15

Centrifugal fluid machine

#137
20140178119
2014-06-26

Fixture used in rotary machine and method for transporting rotary machine

#138
20140131018
2014-05-15

Indoor device for an air conditioner

#139
20140112805
2014-04-24

Blower

#140
20140112774
2014-04-24

Centrifugal gas compressor magnetic bearing thrust collar with mounting pilots

#141
20140072459
2014-03-13

Axial bearing for an electric drive

#142
20140064944
2014-03-06

Preload disk spring, assembly structure thereof, and fan using same

#143
20140049906
2014-02-20

Compact fan assembly with thrust bearing

#144
20140037424
2014-02-06

Thrust balancing device for cryogenic fluid pump

#145
20140030114
2014-01-30

System and apparatus for reducing thrust forces acting on a compressor rotor

#146
20140030061
2014-01-30

Cryogenic liquid rotary machinery

#147
20140028026
2014-01-30

Thrust equalizing mechanism for cryogenic turbine generator

#148
20140017099
2014-01-16

TURBOCHARGER SYSTEM WITH REDUCED THRUST LOAD

#149
20130343927
2013-12-26

ELECTRIC CENTRIFUGAL COMPRESSOR FOR VEHICLES

#150
20130287555
2013-10-31

Compressor housing bearing and seal

#151
20130243619
2013-09-19

Thrust bearing shaft for fan

#152
20130224016
2013-08-29

Thrust bearing cooling path

#153
20130170943
2013-07-04

Hybrid bearing turbomachine

#154
20130156552
2013-06-20

Cost effective high thrust capacity turbocharger assembly

#155
20130101450
2013-04-25

Motor and fan

#156
20130026865
2013-01-31

Motor and vehicle-mounted air conditioner using same

#157
20120321438
2012-12-20

Compressor unit and a method to process a working fluid

#158
20120308417
2012-12-06

Heat-dissipation fan

#159
20120301277
2012-11-29

Fan

#160
20120269617
2012-10-25

Cooling fan

#161
20120263577
2012-10-18

Device for detecting the axial position of a rotary shaft and its application to a turbo-molecular pump

#162
20120247739
2012-10-04

ELECTRONIC DEVICE AND FAN

#163
20120219439
2012-08-30

Electric compressor

#164
20120156014
2012-06-21

Air cycle machine bearing cooling inlet plate

#165
20120087816
2012-04-12

Cooling fan

#166
20120064815
2012-03-15

Thrust bearing shaft for thrust and journal air bearing cooling in a compressor

#167
20120057995
2012-03-08

Side-channel compressor with symmetric rotor disc which pumps in parallel

#168
20120051893
2012-03-01

Regenerative vacuum pump with axial thrust balancing means

#169
20120051887
2012-03-01

Side-channel pump with axial gas bearing

#170
20120003109
2012-01-05

BLOWER FAN

#171
20120002909
2012-01-05

Transmission, particularly compressor wheel gear and methods to improve the starting behavior of such

#172
20110305507
2011-12-15

COOLING FAN BEARING RETAINER RING STRUCTURE

#173
20110296842
2011-12-08

Control of axial thrust by guidance of the air drawn off from a centrifugal compressor

#174
20110286869
2011-11-24

SUPPORT STRUCTURE OF A COOLING FAN

#175
20110252791
2011-10-20

Axial turbine with parallel flow compressor

#176
20110252789
2011-10-20

High diffusion turbine wheel with hub bulb

#177
20110229313
2011-09-22

Thrust bearing cooling path

#178
20110210556
2011-09-01

Thrust balancing device for cryogenic fluid machinery

#179
20110181140
2011-07-28

Apparatus Having a Stator and a Rotor Mounted in Said Stator

#180
20110171015
2011-07-14

CENTRIFUGAL COMPRESSOR AND FABRICATING METHOD THEREOF

#181
20110164974
2011-07-07

Compressor and method for operating a compressor and fuel cell device with a compressor

#182
20110085906
2011-04-14

Fan retention shaft

#183
20110038719
2011-02-17

Simplified housing for a fuel cell compressor

#184
20100329845
2010-12-30

Turbo-machine having bellows unit for automatic axial thrust control

#185
20100141070
2010-06-10

Motor with raised rotor

#186
20100127588
2010-05-27

Motor

#187
20100124491
2010-05-20

Multistage radial turbocompressor

#188
20100119354
2010-05-13

Turbomachine with failure protection

#189
20090257895
2009-10-15

Electric compressor

#190
20090232678
2009-09-17

HEAT DISSIPATION FAN

#191
20090220360
2009-09-03

Cooling fan

#192
20090208354
2009-08-20

Support for rolling bearing

#193
20090133431
2009-05-28

Air cycle refrigerating/cooling system and turbine unit used therefor

#194
20090127956
2009-05-21

Motor built-in magnetic bearing device

#195
20090046963
2009-02-19

Magnetic bearing device

#196
20090041582
2009-02-12

Cooling fan with balance structure

#197
20090035162
2009-02-05

COOLING FAN

#198
20090015012
2009-01-15

Axial in-line turbomachine

#199
20090009017
2009-01-08

Bearing apparatus and centrifugal compressor provided with same

#200
20080213104
2008-09-04

Motor

#201
20080185928
2008-08-07

Rotor shaft for a magnetic bearing device

#202
20080134659
2008-06-12

Zero running clearance centrifugal compressor

#203
20080112790
2008-05-15

Vacuum Side-Channel Compressor

#204
20080101929
2008-05-01

Turbocharger with balancing features

#205
20080031736
2008-02-07

Structure of fan for reducing vibration

#206
20060245960
2006-11-02

Vacuum pump

#207
20060181174
2006-08-17

Anti-loose device for a motor

#208
20060088407
2006-04-27

Turbocharger with balancing features

#209
20050253471
2005-11-17

Permanent magnet motor for driving a fan

#210
20050200216
2005-09-15

Motor with raised rotor

#211
20050198956
2005-09-15

Exhaust gas turbocharger

#212
20050168088
2005-08-04

Motor and electrically-driven fan employing the same

#213
20050079057
2005-04-14

Fan

#214
20050063823
2005-03-24

Fan having magnetic levitation blade assembly

#215
20050035670
2005-02-17

Fan assembly with magnetic thrust bearings

#216
20050002781
2005-01-06

Compressor for a gas turbine engine

#217
18187504
2024-03-19

Adjustable balance drum sleeve clearance

#218
17955256
2023-11-07

Centrifugal compressor

#219
15429212
2019-10-08

Turbocharger with air journal bearing and thrust bearing

#220
15341628
2017-08-29

Power transmission system for turbine or compressor having counter-rotating blades

#221
14714397
2016-02-16

Integration of aerodynamic, thrust bearing and seal running surface

#222
14625095
2015-11-10

Method for reducing aero clearances with a ball bearing turbocharger