ClassID:

144181

F04D29/0513 - CPC Classification

Classification description:

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

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

FAN AND ELECTRONIC DEVICE EMPLOYING FAN

#2
20250347288
2025-11-13

TURBO COMPRESSOR

#3
20250297614
2025-09-25

STATIC GAS THRUST BEARING

#4
20250250990
2025-08-07

REVERSE DIRECTION BEARING COOLING FLOW PATH FOR A CABIN AIR COMPRESSOR

#5
20250250983
2025-08-07

BEARING COOLING FLOW PATH FOR A CABIN AIR COMPRESSOR

#6
20250223970
2025-07-10

METHOD AND SYSTEM FOR CONTROLLING DIFFERENTIAL PRESSURE FOR AN EXTERNALLY PRESSURIZED GAS BEARING APPARATUS

#7
20250146497
2025-05-08

GAS BEARING MANAGEMENT FOR A COMPRESSOR

#8
20250003414
2025-01-02

ELECTRIC TURBO COMPRESSOR

#9
20240426311
2024-12-26

ROTARY FLUID MACHINE

#10
20240410372
2024-12-12

ELECTRICAL SUBMERSIBLE PUMPING SYSTEMS

#11
20240401601
2024-12-05

ELECTRIC FAN FOR AN AIRCRAFT

#12
20240301895
2024-09-12

Turbo compressor comprising bearing cooling channel

#13
20240263671
2024-08-08

DUAL THRUST BEARING SYSTEMS AND METHODS FOR OPERATING THE SAME

#14
20240209861
2024-06-27

High-speed centrifugal compressor

#15
20240133390
2024-04-25

Gas bearing management for a compressor

#16
20240093695
2024-03-21

Turbomachine, method for operating a turbomachine

#17
20240018966
2024-01-18

Centrifugal compressor

#18
20240011498
2024-01-11

Air compressor for vehicle

#19
20230407873
2023-12-21

Turbo compressor assembly of a cooling machine

#20
20230250825
2023-08-10

Compressor

#21
20230228291
2023-07-20

ROTOR FOR AN AIR SUPPLY UNIT OF A FUEL CELL UNIT, AND AIR SUPPLY UNIT FOR A FUEL CELL UNIT

#22
20230213038
2023-07-06

Gas bearing management for a compressor

#23
20230213037
2023-07-06

Method and system for controlling differential pressure for an externally pressurized gas bearing apparatus

#24
20230049251
2023-02-16

Air compressor and vehicle

#25
20230028614
2023-01-26

GYROSCOPIC AIR HANDLER METHOD AND APPARATUS

#26
20230023176
2023-01-26

TURBO COMPRESSOR

#27
20220307511
2022-09-29

METHOD FOR CONTROLLING AT LEAST ONE RADIAL BLOWER IN A COOLING SYSTEM, AND RADIAL BLOWER

#28
20220243651
2022-08-04

COMPRESSOR, ROTOR SYSTEM AND MICROTURBINE

#29
20220186740
2022-06-16

E-assist turbocharger with bleed fluid system connecting compressor section to web ring of turbine section for thrust load suppression

#30
20220178376
2022-06-09

Electrical submersible pumping systems

#31
20220154638
2022-05-19

MULTISTAGE COMPRESSOR-EXPANDER TURBOMACHINE CONFIGURATION

#32
20220145891
2022-05-12

Compressor wheel device and supercharger

#33
20220003238
2022-01-06

Centrifugal compressor and air conditioning equipment

#34
20210381522
2021-12-09

Compressor driveshaft assembly and compressor including same

#35
20210301828
2021-09-30

Method and apparatus for compressor

#36
20210293253
2021-09-23

Compressor with cooled air passage and liquid coolant passage in axial heat exchanger arrangement

#37
20210254627
2021-08-19

Compressor configured to control pressure against magnetic motor thrust bearings

#38
20210172458
2021-06-10

Turbo compressor

#39
20200386267
2020-12-10

Bearing device, compressor and method for producing such a bearing device

#40
20200355201
2020-11-12

Centrifugal compressor

#41
20200347852
2020-11-05

Single-stage compressor with thrust load suppression section

#42
20200291987
2020-09-17

Thrust bearing for turbo compressor

#43
20200149583
2020-05-14

Air blower for vehicle

#44
20200123930
2020-04-23

Turbocharger bearing assembly and method for providing the same

#45
20200080571
2020-03-12

Centrifugal pump with noise dampening rubber isolation impeller bushing

#46
20200011373
2020-01-09

Air foil bearing

#47
20190353543
2019-11-21

AXIAL THRUST FORCE BALANCING APPARATUS FOR AN INTEGRALLY GEARED COMPRESSOR

#48
20190323511
2019-10-24

Heating, ventilation and air conditioning system comprising a fluid compressor

#49
20190271325
2019-09-05

Rotating machine

#50
20190249682
2019-08-15

Modular turbo compressor shaft

#51
20190226523
2019-07-25

Motor having shock-proof design

#52
20190226522
2019-07-25

Motor having shock-proof design

#53
20190226489
2019-07-25

Axial bearing arrangement for a drive shaft of a centrifugal compressor

#54
20190178105
2019-06-13

Recirculation stall in compressor insert or backplate

#55
20190136862
2019-05-09

Modular compressor with gas bearings and system for raising the pressure in production gas

#56
20190055954
2019-02-21

CENTRIFUGAL COMPRESSOR

#57
20190049019
2019-02-14

THRUST BEARING AS A SEAL

#58
20190036413
2019-01-31

Motor and pump device

#59
20180335043
2018-11-22

BEARING MECHANISM AND BLOWER FAN

#60
20180328634
2018-11-15

Turbo compressor having an inner passage for cooling the motor

#61
20180291950
2018-10-11

Air foil bearing

#62
20180274548
2018-09-27

Auxiliary turbomachinery shaft support system and turbomachinery comprising said system

#63
20180266481
2018-09-20

POWER TRANSMISSION SYSTEM

#64
20180231058
2018-08-16

Orifice plate bearing lubrication system

#65
20180231053
2018-08-16

Bearing structure and turbocharger

#66
20180195521
2018-07-12

Turbocharger having thrust bearing with biased oil flow

#67
20180195520
2018-07-12

Turbo compressor

#68
20180128312
2018-05-10

Motor having shock-proof design

#69
20180128274
2018-05-10

Supercharged internal combustion engine with compressor

#70
20180066666
2018-03-08

Ventilation fan having air bearing system

#71
20180051706
2018-02-22

Resilient bearing mount with integral damper fluid passage for a geared turbofan engine

#72
20180003078
2018-01-04

Turbocharger bearing assembly and method for providing the same

#73
20170370367
2017-12-28

Ceiling fan

#74
20170370364
2017-12-28

Centrifugal compressor assembly and method of operation with an airconditioner

#75
20170342998
2017-11-30

Turbocharger

#76
20170298772
2017-10-19

Rotary machine with gas bearings

#77
20170191482
2017-07-06

Systems and methods for balancing thrust loads in a heat engine system

#78
20170146019
2017-05-25

Multistage centrifugal pump with shaft hydraulic force compensation

#79
20170009780
2017-01-12

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

#80
20170002825
2017-01-05

BALANCE PISTON WITH A SEALING MEMBER

#81
20160298648
2016-10-13

Centrifugal compressor

#82
20160298638
2016-10-13

Load-relieving device

#83
20160169242
2016-06-16

Dynamic pressure bearing apparatus and fan

#84
20160091094
2016-03-31

Porous media ventless seal

#85
20160090991
2016-03-31

Thrust bearing as a seal

#86
20160032936
2016-02-04

Turbocharger compressor oil deflector and method

#87
20150345265
2015-12-03

Up-thrusting fluid system

#88
20150322957
2015-11-12

COMBINED RADIAL AND THRUST BEARING AND WET ROTOR PUMP

#89
20150322852
2015-11-12

Turbocharger with thrust bearing providing combined journal and thrust bearing functions

#90
20150308443
2015-10-29

Compressor with thrust balancing and method thereof

#91
20150275910
2015-10-01

Thrust plate assembly

#92
20150267741
2015-09-24

Hydrodynamic bearing structure for cooling fan and method for assembling the same

#93
20150198166
2015-07-16

Fan

#94
20150192171
2015-07-09

Motor

#95
20150184670
2015-07-02

Threaded connectors between submersible well pump modules

#96
20150118075
2015-04-30

COMPRESSOR THRUST BEARING SURGE PROTECTION

#97
20150078884
2015-03-19

Turbocharger

#98
20150037139
2015-02-05

Turbocharger air bearing

#99
20150030481
2015-01-29

Dynamic pressure bearing apparatus and fan

#100
20140356123
2014-12-04

Centrifugal compressor having lubricant distribution system

#101
20140270608
2014-09-18

Method for momentary hydrostatic operation of hydrodynamic thrust bearings in a vertical fluid displacement module

#102
20140112763
2014-04-24

TURBOMACHINE FOR COMPRESSING A FLUID

#103
20140049906
2014-02-20

Compact fan assembly with thrust bearing

#104
20130318797
2013-12-05

Compressor thrust bearing surge protection

#105
20130287555
2013-10-31

Compressor housing bearing and seal

#106
20130243619
2013-09-19

Thrust bearing shaft for fan

#107
20130224016
2013-08-29

Thrust bearing cooling path

#108
20130202432
2013-08-08

Rolling element bearing cartridge with axial thrust damping and anti-rotation assemblies

#109
20130142671
2013-06-06

Method and system to reduce to wear on a bearing

#110
20130121859
2013-05-16

BEARING APPARATUS AND FAN

#111
20130101450
2013-04-25

Motor and fan

#112
20130026865
2013-01-31

Motor and vehicle-mounted air conditioner using same

#113
20130022065
2013-01-24

Gas laser having radial and axial gas bearings

#114
20130004351
2013-01-03

Fan

#115
20130004350
2013-01-03

Fan bearing system having a fluid reservoir

#116
20130004348
2013-01-03

DYNAMIC PRESSURE BEARING APPARATUS AND FAN

#117
20130004347
2013-01-03

FAN

#118
20120269624
2012-10-25

AXIAL BEARING ARRANGEMENT FOR A SHAFT OF A TURBOCHARGER

#119
20120251300
2012-10-04

Journal air bearing for small shaft diameters

#120
20120224951
2012-09-06

COMPACT FAN ASSEMBLY WITH THRUST BEARING

#121
20120219439
2012-08-30

Electric compressor

#122
20120163742
2012-06-28

AXIAL GAS THRUST BEARING FOR ROTORS IN ROTATING MACHINERY

#123
20120160327
2012-06-28

System and method for momentary hydrostatic operation of hydrodynamic thrust bearings in a vertical fluid displacement module

#124
20120156014
2012-06-21

Air cycle machine bearing cooling inlet plate

#125
20120064815
2012-03-15

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

#126
20120057995
2012-03-08

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

#127
20120051957
2012-03-01

Compressor bearing cooling inlet plate

#128
20120051893
2012-03-01

Regenerative vacuum pump with axial thrust balancing means

#129
20120051887
2012-03-01

Side-channel pump with axial gas bearing

#130
20120002909
2012-01-05

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

#131
20110305507
2011-12-15

COOLING FAN BEARING RETAINER RING STRUCTURE

#132
20110296842
2011-12-08

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

#133
20110255963
2011-10-20

Centrifugal compressor

#134
20110229313
2011-09-22

Thrust bearing cooling path

#135
20110038719
2011-02-17

Simplified housing for a fuel cell compressor

#136
20100183438
2010-07-22

Compact shaft support device for turbomachines

#137
20100141070
2010-06-10

Motor with raised rotor

#138
20100127588
2010-05-27

Motor

#139
20100119354
2010-05-13

Turbomachine with failure protection

#140
20100111725
2010-05-06

Fluid flow machine

#141
20090257895
2009-10-15

Electric compressor

#142
20090246048
2009-10-01

Turbo vacuum pump

#143
20090246038
2009-10-01

Turbo vacuum pump

#144
20090232678
2009-09-17

HEAT DISSIPATION FAN

#145
20090022585
2009-01-22

Rotor for a Rotary Machine and a Rotary Machine

#146
20080199326
2008-08-21

TWO-STAGE VAPOR CYCLE COMPRESSOR

#147
20080181762
2008-07-31

Method and device for reducing axial thrust and radial oscillations and rotary machines using same

#148
20080152477
2008-06-26

Bearing assembly and method of assembling the same

#149
20080101929
2008-05-01

Turbocharger with balancing features

#150
20080095610
2008-04-24

Turbomachine with tilt-segment bearing and force measurement arrangemment

#151
20070297922
2007-12-27

Air blower

#152
20070267928
2007-11-22

Electric fan with bearing

#153
20070252460
2007-11-01

Blower structure

#154
20070166157
2007-07-19

Rotation structure for radiation fans

#155
20070154333
2007-07-05

Blower motor

#156
20070134105
2007-06-14

ACM cooling flow path and thrust load design

#157
20070108858
2007-05-17

Rotary structure for radiation fans

#158
20070013247
2007-01-18

COOLING FAN WITH DAMPING STRUCTURE SUPPORTING A SHAFT OF THE COOLING FAN

#159
20060292015
2006-12-28

Bearing unit and motor and electric apparatus having bearing unit

#160
20060088407
2006-04-27

Turbocharger with balancing features

#161
20060061221
2006-03-23

Integral motor and air bearing cooling path

#162
20060059941
2006-03-23

RAM fan system for an aircraft environmental control system

#163
20050249442
2005-11-10

Turbomachine

#164
20050200216
2005-09-15

Motor with raised rotor

#165
20050169745
2005-08-04

Gas friction pump

#166
20050147511
2005-07-07

Plastic steel bearing for blade rotor shaft of cooling fan

#167
20050147336
2005-07-07

Bearing unit and rotary drive apparatus including the bearing unit