ClassID:

148019

F16C2360/44 - CPC Classification

Classification description:

Engines or pumps Centrifugal pumps

Sub-classes:
Recent Application in this class:
#1
20250364868
2025-11-27

MODULAR FIVE-DEGREE-OF-FREEDOM MAGNETIC LEVITATION COMPRESSOR ROTOR SYSTEM

#2
20250305539
2025-10-02

FOIL BEARING ASSEMBLY INCLUDING BIDIRECTIONAL ANTI-ROTATION FEATURES AND COMPRESSOR INCLUDING SAME

#3
20250297614
2025-09-25

STATIC GAS THRUST BEARING

#4
20250243908
2025-07-31

COOLED AERODYNAMIC THRUST BEARING AS WELL AS TURBOCOMPRESSOR WITH SUCH A THRUST BEARING

#5
20250223970
2025-07-10

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

#6
20250207633
2025-06-26

AIR-BEARING AND CENTRIFUGAL REFRIGERATION COMPRESSOR

#7
20250189183
2025-06-12

TURBO CHILLER

#8
20250146497
2025-05-08

GAS BEARING MANAGEMENT FOR A COMPRESSOR

#9
20250116298
2025-04-10

A PUMP, A BEARING ASSEMBLY FOR A PUMP AND A METHOD OF ASSEMBLING THE BEARING ASSEMBLY

#10
20250101994
2025-03-27

SYSTEM AND METHOD FOR VIBRATION CONTROL

#11
20250084899
2025-03-13

AIR CYCLE MACHINE (ACM) WITH HYBRID AIRFOIL AND AUXILIARY MAGNETIC THRUST BEARINGS

#12
20240392830
2024-11-28

ESP motor radial bearing anti-rotation tab retention

#13
20240263671
2024-08-08

DUAL THRUST BEARING SYSTEMS AND METHODS FOR OPERATING THE SAME

#14
20240133390
2024-04-25

Gas bearing management for a compressor

#15
20240110593
2024-04-04

HYDRODYNAMIC BEARING ARRANGEMENT FOR PUMP ASSEMBLY

#16
20230366300
2023-11-16

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

#17
20230349421
2023-11-02

Porous gas bearing

#18
20230323898
2023-10-12

Multistage centrifugal compressor

#19
20230304505
2023-09-28

BEARING ASSEMBLY

#20
20230213038
2023-07-06

Gas bearing management for a compressor

#21
20230213037
2023-07-06

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

#22
20230150010
2023-05-18

Method for machining ribs on air or gas bearings of a compressor

#23
20230146415
2023-05-11

Compressor

#24
20230048325
2023-02-16

TWO-PIECE OIL FILTER ASSEMBLY FOR PUMPS

#25
20230037793
2023-02-09

AIR COMPRESSING APPARATUS WITH BEARING WEAR-CAUSING THRUST REDUCING/COMPENSATING UNIT

#26
20230014246
2023-01-19

Thrust gas bearing, centrifugal compressor equipped with same, and refrigeration apparatus equipped with same

#27
20220403875
2022-12-22

Magnetic suspension bearing device, compressor and method of adjusting gap of catcher bearing

#28
20220325756
2022-10-13

Steam leakage compact bearing

#29
20220099102
2022-03-31

Fluid machine having a foil bearing arrangement

#30
20220082108
2022-03-17

Pump arrangement

#31
20220049710
2022-02-17

COMPACT SLIDING-CONTACT BEARING WITH A SEALING ARRANGEMENT, AND WATER PUMP WITH SAME

#32
20220042546
2022-02-10

BEARING HOUSING AND A METHOD OF REMOVING IMPURITIES FROM A BEARING HOUSING

#33
20220010803
2022-01-13

Bearing structure

#34
20210396242
2021-12-23

System and method for magnetic bearings

#35
20210396241
2021-12-23

ROLLING BEARING HAVING A SEALING ASSEMBLY AND WATER PUMP HAVING SAME

#36
20210381519
2021-12-09

Bearing assembly with catalyst-free ultra-strong polycrystalline diamond (PCD) material

#37
20210372471
2021-12-02

Hybrid magnetic radial bearing in an electric submersible pump (ESP) assembly

#38
20210372419
2021-12-02

Hybrid magnetic thrust bearing in an electric submersible pump (ESP) assembly

#39
20210372242
2021-12-02

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

#40
20210341016
2021-11-04

Magnetic levitation bearing structure and magnetic levitation compressor structure

#41
20210285453
2021-09-16

Flushing of a touchdown bearing

#42
20210222699
2021-07-22

Pump bearing retainer

#43
20210222529
2021-07-22

Processes for increasing hydrocarbon production

#44
20210215164
2021-07-15

Shaft bearing device with a lifting device

#45
20210207607
2021-07-08

Compressor system

#46
20210172449
2021-06-10

Compact centrifugal pump with magnetically suspended impeller

#47
20210123476
2021-04-29

Multiphase pump

#48
20210123453
2021-04-29

Centrifugal compressor

#49
20210115930
2021-04-22

Turbo-compressor and method of operating a turbo-compressor

#50
20200400160
2020-12-24

Turbo compressor

#51
20200400148
2020-12-24

Motor assembly and method for manufacturing the same

#52
20200309150
2020-10-01

Compressor

#53
20200291953
2020-09-17

Foil bearing assembly and compressor including same

#54
20200271159
2020-08-27

Squeeze film damper bearing and rotary machine including the same

#55
20200263733
2020-08-20

Hybrid ball bearing pair and a compressor bearing arrangement

#56
20200256347
2020-08-13

Foil bearing assembly

#57
20200248702
2020-08-06

Rotary drive for an impeller and motor assembly with gas and rolling bearings arranged in housing structure

#58
20200235635
2020-07-23

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

#59
20200232473
2020-07-23

Compliant keyway for an electric submersible pump bearing sleeve

#60
20200224663
2020-07-16

Time lapse shooting apparatus and observation method

#61
20200173496
2020-06-04

BEARING HOUSING FOR A TURBOMACHINE, AND TURBOMACHINE HAVING A BEARING HOUSING

#62
20200173264
2020-06-04

Electric submersible pumping unit

#63
20200157925
2020-05-21

Electric submersible pumping unit

#64
20200096242
2020-03-26

PRESSURE DAM BEARING

#65
20200063795
2020-02-27

Rotation system having radial gas bearing

#66
20200018318
2020-01-16

Compact centrifugal pump with magnetically suspended impeller

#67
20200011341
2020-01-09

Bearing arrangement for a drive shaft of a turbo-machine, and a turbo-machine including such a bearing arrangement

#68
20190368548
2019-12-05

Flexible bearing retainer for multistage centrifugal pump

#69
20190356195
2019-11-21

Electromagnetic rotary drive and rotational device

#70
20190331167
2019-10-31

TWO HYBRID BALL BEARINGS AND A COMPRESSOR BEARING ARRANGEMENT

#71
20190331124
2019-10-31

Two hybrid ball bearings and a compressor bearing arrangement

#72
20190301451
2019-10-03

Hybrid pump bearing for contamination resistance

#73
20190285079
2019-09-19

Press-fit thrust bearing system and apparatus

#74
20190277300
2019-09-12

Compressor and chiller system including same

#75
20190264735
2019-08-29

Electric submersible pumping unit

#76
20190264703
2019-08-29

Electric submersible pumping unit

#77
20190264540
2019-08-29

Electric submersible pumping unit

#78
20190226489
2019-07-25

Axial bearing arrangement for a drive shaft of a centrifugal compressor

#79
20190195284
2019-06-27

Journal bearing, rotary machine, and journal bearing-manufacturing method

#80
20190186541
2019-06-20

Hybrid rolling bearing, particularly for refrigerant compressor

#81
20190186536
2019-06-20

Two hybrid ball bearings and a compressor bearing arrangement

#82
20190154048
2019-05-23

VEHICLE HAVING A PUMP DEVICE

#83
20190136872
2019-05-09

Electric blower and electric equipment

#84
20190128272
2019-05-02

Journal bearing and rotary machine

#85
20190085902
2019-03-21

Magnetic levitation bearing assembly and compressor

#86
20190085669
2019-03-21

Active magnetic bearing control for downhole-type system

#87
20190063449
2019-02-28

Shaft bearing device with a lifting device

#88
20190063257
2019-02-28

Turbomachine systems with magnetic bearing cooling and method

#89
20190010950
2019-01-10

Pump bearing retainer

#90
20180291917
2018-10-11

Press-fit thrust bearing system and apparatus

#91
20180274548
2018-09-27

Auxiliary turbomachinery shaft support system and turbomachinery comprising said system

#92
20180266428
2018-09-20

Turbomachine with a balance drum and sleeve arrangement and method

#93
20180258989
2018-09-13

Sliding bearing device

#94
20180231058
2018-08-16

Orifice plate bearing lubrication system

#95
20180216624
2018-08-02

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

#96
20180180098
2018-06-28

Bearing system with a rotary bush and turbomachine

#97
20180180054
2018-06-28

Time lapse shooting apparatus and observation method

#98
20180179894
2018-06-28

Impeller-type liquid ring compressor

#99
20180128520
2018-05-10

ROLLING ELEMENT BEARINGS FOR AN OIL-FREE LIQUID CHILLER

#100
20180119702
2018-05-03

Air compressor or water pump

#101
20180100543
2018-04-12

Permanent magnet thrust bearing

#102
20180087516
2018-03-29

TURBOMACHINE WITH ACTIVE MAGNETIC BEARINGS

#103
20180080499
2018-03-22

Bearing device and supercharger

#104
20180045051
2018-02-15

Pump device

#105
20180023584
2018-01-25

Centrifugal compressor and magnetic bearing backup system for centrifugal compressor

#106
20180017066
2018-01-18

Bushing anti-rotation system and apparatus

#107
20170370364
2017-12-28

Centrifugal compressor assembly and method of operation with an airconditioner

#108
20170350407
2017-12-07

Plain bearing and pump

#109
20170328411
2017-11-16

Bearing for a pump and method of retrofitting a bearing for a pump

#110
20170299063
2017-10-19

Seal device

#111
20170260989
2017-09-14

Fluid filtration using splines

#112
20170248150
2017-08-31

Taper sleeve driver for thrust bearing

#113
20170234314
2017-08-17

Centrifugal pump with impeller centering and vibration dampening

#114
20170159668
2017-06-08

Press-fit bearing locking system, apparatus and method

#115
20170082115
2017-03-23

ELECTRIC SUPERCHARGER

#116
20160356275
2016-12-08

Load-sharing bearing system and an associated method thereof

#117
20160341206
2016-11-24

Thrust bearing surface for floater-style centrifugal pumps

#118
20160298680
2016-10-13

Magnetic bearing and centrifugal compressor

#119
20160290388
2016-10-06

Bearing arrangement

#120
20160208804
2016-07-21

Impeller shaft to bearing interface for centrifugal blood pump

#121
20160195132
2016-07-07

Method for compensating a low-frequency disturbance force of a rotor by means of active magnetic bearings, active magnetic bearing having a compensation control circuit for performing the compensation, and use of the magnetic bearing

#122
20160123391
2016-05-05

Tilting-pad bearing and turbo compressor

#123
20160123388
2016-05-05

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

#124
20160123332
2016-05-05

Rotary machine

#125
20160115998
2016-04-28

Electric submersible pump assembly bearing

#126
20160102705
2016-04-14

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

#127
20160000296
2016-01-07

Pump and dishwasher provided with pump

#128
20150337850
2015-11-26

Supercharger with electric motor and engine device provided with supercharger with electric motor

#129
20150260194
2015-09-17

Turbo compressor

#130
20150252815
2015-09-10

Fluid filtration using splines

#131
20150244239
2015-08-27

Modular assembly of motor and magnetic bearings, and method to manufacture such an assembly

#132
20150240828
2015-08-27

Bi-directional hydrostatic thrust bearing for a rotating machine

#133
20150167732
2015-06-18

Bearing assemblies, and related methods

#134
20150167687
2015-06-18

Centrifugal compressor

#135
20150152872
2015-06-04

Gas blower

#136
20150128415
2015-05-14

Water pump bearing with integrated mechanical seal

#137
20150023815
2015-01-22

Compliant abrasion resistant bearings for a submersible well pump

#138
20140356123
2014-12-04

Centrifugal compressor having lubricant distribution system

#139
20140354098
2014-12-04

Auxiliary bearing for magnetically suspended rotor system

#140
20140219841
2014-08-07

Magnetic bearing device and vacuum pump

#141
20140199179
2014-07-17

Hybrid magnetic suspension of a rotor

#142
20140185969
2014-07-03

Bearing arrangement

#143
20140147064
2014-05-29

Radial foil bearing

#144
20140127052
2014-05-08

High temperature radial bearing for electrical submersible pump assembly

#145
20140112773
2014-04-24

CENTRIFUGAL GAS COMPRESSOR WITH A HARDENED SHAFT FOR A BEARING SYSTEM

#146
20140105739
2014-04-17

Bearing assemblies, and related methods

#147
20140062239
2014-03-06

Rotational machine as well as apparatus having a rotational machine

#148
20130315518
2013-11-28

Bearing pad, support body, bearing arrangement and pump

#149
20130259706
2013-10-03

Radial bearing assembly for centrifugal pump

#150
20130223997
2013-08-29

Bearing assembly

#151
20130220285
2013-08-29

Rotation shaft supporting structure for electric supercharger

#152
20130170943
2013-07-04

Hybrid bearing turbomachine

#153
20130109481
2013-05-02

Shaft bearing lubricant aerator, system, and method

#154
20130094976
2013-04-18

Water pump of internal combustion engine with a slinger sealing the bearing

#155
20130039786
2013-02-14

Refrigerant compressor magnetic bearing

#156
20130015731
2013-01-17

Method for on-line detection of liquid and potential for the occurrence of resistance to ground faults in active magnetic bearing systems

#157
20130004104
2013-01-03

Whirl inhibiting coast-down bearing for magnetic bearing systems

#158
20120327210
2012-12-27

Time lapse shooting apparatus and observation method

#159
20120321489
2012-12-20

Water Pump

#160
20120299422
2012-11-29

Electromagnetic actuator

#161
20120288368
2012-11-15

Slide bearing device and compressor

#162
20120219439
2012-08-30

Electric compressor

#163
20120169168
2012-07-05

Method for on-line detection of resistance-to-ground faults in active magnetic bearing systems

#164
20120134799
2012-05-31

Adjustable mechanical seal

#165
20120107115
2012-05-03

Mechanical seal with improved seal assembly

#166
20120107105
2012-05-03

Turbocompressor assembly with a cooling system

#167
20120099984
2012-04-26

Mechanical seal

#168
20120051682
2012-03-01

BEARING PART, HEAT TREATMENT METHOD THEREOF, AND ROLLING BEARING

#169
20120016178
2012-01-19

Rotary pump with hydrodynamically suspended impeller

#170
20110311350
2011-12-22

TURBO MACHINE

#171
20110289960
2011-12-01

RECIPROCATING COMPRESSOR AND REFRIGERATING MACHINE HAVING THE SAME

#172
20110243485
2011-10-06

Dynamic foil gas bearing

#173
20110234033
2011-09-29

Combination radial/axial electromagnetic actuator with an improved axial frequency response

#174
20110232416
2011-09-29

Anti-abrasion device and reciprocating compressor having the same

#175
20110188996
2011-08-04

Centrifugal pump

#176
20110182718
2011-07-28

Centrifugal pump assembly

#177
20110163622
2011-07-07

Combination radial/axial electromagnetic actuator

#178
20110150628
2011-06-23

FLUID ENERGY MACHINE

#179
20110129327
2011-06-02

Ball bearing and pump for cryogenic use

#180
20110101905
2011-05-05

Generating electromagnetic forces in large air gaps

#181
20110097222
2011-04-28

Supercharger

#182
20110091320
2011-04-21

Circulating pump

#183
20110044832
2011-02-24

Fluid energy machine

#184
20100301840
2010-12-02

Noncontact measuring of the position of an object with magnetic flux

#185
20100278464
2010-11-04

Blade Gasodynamic Bearing

#186
20100272382
2010-10-28

SEALING DEVICE, ROLLING BEARING AND ROLLING BEARING FOR WHEEL

#187
20100239447
2010-09-23

Shaft bearings, compressor with same, and methods

#188
20100239198
2010-09-23

BEARING DEVICE OF COMPRESSOR FOR REFRIGERATOR

#189
20100232984
2010-09-16

Compressor Unit and Use of a Cooling Medium

#190
20100231076
2010-09-16

BEARINGLESS MOTOR

#191
20100215491
2010-08-26

ROTOR ASSEMBLY

#192
20100172775
2010-07-08

Maglev motor and pump

#193
20100111725
2010-05-06

Fluid flow machine

#194
20100090556
2010-04-15

High-aspect-ratio homopolar magnetic actuator

#195
20100072846
2010-03-25

MAGNETIC BEARING DEVICE

#196
20100072845
2010-03-25

METHOD FOR DETERMINATION OF RESONANT FREQUENCIES OF A ROTOR USING MAGNETIC BEARINGS

#197
20100061851
2010-03-11

Secondary Air Charger

#198
20100014990
2010-01-21

Compressor Unit

#199
20090317265
2009-12-24

Method and apparatus for protection of compressor modules against influx of contaminated gas

#200
20090304313
2009-12-10

Compliant hybrid gas journal bearing using integral wire mesh dampers

#201
20090257895
2009-10-15

Electric compressor

#202
20090245707
2009-10-01

Assembly and method for mounting a pump bearing in/on plastic coolant pump housings

#203
20090220362
2009-09-03

Compressor unit

#204
20090218457
2009-09-03

Method of manufacturing a shell type needle roller bearing including drawing and ironing operations

#205
20090155049
2009-06-18

Rotary pump with hydrodynamically suspended impeller

#206
20090121571
2009-05-14

Magnetic levitation motor and pump

#207
20090101087
2009-04-23

Supercharger

#208
20090015012
2009-01-15

Axial in-line turbomachine

#209
20080268995
2008-10-30

Power transmission apparatus fabrication method and power transmission apparatus fabricated by the method

#210
20080260539
2008-10-23

Apparatus and Method For Controlling Supply of Barrier Gas in a Compressor Module

#211
20080240947
2008-10-02

IMPLANTABLE CENTRIFUGAL BLOOD PUMP WITH HYBRID MAGNETIC BEARINGS

#212
20080231130
2008-09-25

Magnetic repulsion type bearing

#213
20080231128
2008-09-25

Magnetic bearing device with an improved vacuum feedthrough

#214
20080185928
2008-08-07

Rotor shaft for a magnetic bearing device

#215
20080170937
2008-07-17

Pump with an elastic device on a rolling bearing

#216
20080167149
2008-07-10

Belt drive mechanism

#217
20080131038
2008-06-05

BEARING ARRANGEMENT FOR A SHAFT

#218
20080115527
2008-05-22

High capacity chiller compressor

#219
20080092384
2008-04-24

Installation of Middle Bearing for a Crankshaft

#220
20080040923
2008-02-21

Method of making a pump

#221
20070297901
2007-12-27

Seal Apparatus for a Water Pump, Rotation-support Apparatus for a Water Pump, and a Water Pump

#222
20070292262
2007-12-20

Four-bearing rotor system

#223
20070278884
2007-12-06

Vacuum pump

#224
20070257573
2007-11-08

System concept for mills and classifiers with magnetic bearing spindle drives

#225
20070246002
2007-10-25

Compressor for fuel cell

#226
20070230839
2007-10-04

Bearing assembly

#227
20070196215
2007-08-23

Motor compressor

#228
20070194637
2007-08-23

Rotor assembly with balancing member

#229
20070172363
2007-07-26

Centrifugal motor-compressor unit

#230
20070172168
2007-07-26

Shell type needle roller bearing, support structure for compressor spindle, and support structure for piston pump driving portion

#231
20070164626
2007-07-19

FUEL-CELL COMPRESSED-AIR SUPPLYING DEVICE

#232
20070159020
2007-07-12

Water pump and bearing thereof

#233
20070154124
2007-07-05

Rolling bearing for a supercharger

#234
20070110601
2007-05-17

Compressor Unit Comprising a Centrifugal Compressor and an Electric Motor

#235
20070053781
2007-03-08

Motor with electrodynamically and hydrodynamically supported rotor

#236
20060285985
2006-12-21

Circulating pump and method for the fluid lubrication of a spherical bearing in an electric motor

#237
20060171824
2006-08-03

Compressor connecting rod bearing design

#238
20060045396
2006-03-02

Bearing and turbo compressor comprising the same

#239
20060030748
2006-02-09

Rotary pump with hydrodynamically suspended impeller

#240
20050249442
2005-11-10

Turbomachine

#241
20050225186
2005-10-13

Spherical bearing, electric motor and circulation pump

#242
20050205163
2005-09-22

Bearing part, heat treatment method thereof, and rolling bearing

#243
20050147512
2005-07-07

Rotary pump with electromagnetic LCR bearing

#244
20050129538
2005-06-16

High-speed rotor assembly for an overhung centrifugal compressor

#245
20050104299
2005-05-19

Seal device for water pump, rotation supporting device for water pump and assembly method for water pump

#246
20050063823
2005-03-24

Fan having magnetic levitation blade assembly

#247
20050058378
2005-03-17

Bearing cup rotational lock assembly

#248
20050008496
2005-01-13

Centrifugal fluid pump apparatus