ClassID:

143824

F04C2240/56 - CPC Classification

Classification description:

Components; Bearings Bearing bushings or details thereof

Recent Application in this class:
#1
20250180018
2025-06-05

SCROLL COMPRESSOR

#2
20250180016
2025-06-05

Bearing for Pump

#3
20250092872
2025-03-20

OIL PUMP FOR A MOTOR VEHICLE

#4
20250052239
2025-02-13

Compressor

#5
20240392781
2024-11-28

Rotor shaft hub and bearing for a high pressure fluid pump assembly

#6
20240309867
2024-09-19

Hydraulic Gear Pump with Hydrostatic Shaft Bearing and Isolated Case Drain and Method of Operating a Hydraulic Gear Pump

#7
20240300299
2024-09-12

GEAR PUMP

#8
20240287904
2024-08-29

Driveshaft assemblies and compressors including the same

#9
20240254989
2024-08-01

Compressor having bulged bushings

#10
20240191752
2024-06-13

Cavitation resistant journal bearing

#11
20240151231
2024-05-09

Rotary compressor

#12
20240125358
2024-04-18

End Plates and Inner Plate Bushings For Pumps

#13
20240035471
2024-02-01

Compressor with two rotors coaxially disposed on a connecting assembly sleeved on the shaft that limits relative movement between them

#14
20240026881
2024-01-25

Scroll compressor

#15
20230374985
2023-11-23

Bearing mechanical joining methods

#16
20230228268
2023-07-20

COMPRESSOR

#17
20230184247
2023-06-15

BEARING STRUCTURE FOR GEAR IN EXTERNAL GEAR PUMP

#18
20230175550
2023-06-08

Flared springs for bearing assemblies

#19
20230160387
2023-05-25

Pump body assembly, compressor and air conditioner

#20
20230060653
2023-03-02

Scroll compressor including hub lubricant passage

#21
20230033416
2023-02-02

Controlling pressure on a journal bearing

#22
20230014002
2023-01-19

Bushing assembly and positive displacement rotary pump comprising said bushing assembly

#23
20220403844
2022-12-22

Compressor having a bushing assembly

#24
20220364561
2022-11-17

Compressor device and device equipped with a bearing damper

#25
20220299027
2022-09-22

Adjustable scroll pump

#26
20220268277
2022-08-25

Multi-bearing scroll compressor to enhance load management

#27
20220099080
2022-03-31

Compressor and air conditioner

#28
20220074411
2022-03-10

Scroll compressor

#29
20210404470
2021-12-30

Axial pressure relief in slide bearings of pumps

#30
20210355939
2021-11-18

External gear pump

#31
20210348609
2021-11-11

Screw compressor with sliding bearings

#32
20210341019
2021-11-04

End Plates and Inner Plate Bushings for Pumps

#33
20210324857
2021-10-21

Scroll compressor including bushing mounted on eccentric shaft containing cylindrical and auxiliary weight portions and balancer disposed above annular rotor remote from back pressure chamber

#34
20210310485
2021-10-07

Geared volumetric machine

#35
20210293240
2021-09-23

Scroll compressor

#36
20210207602
2021-07-08

Pump body assembly and compressor

#37
20210199113
2021-07-01

PUMP BODY ASSEMBLY, COMPRESSOR AND AIR CONDITIONER

#38
20210140427
2021-05-13

Pump Assembly

#39
20210131285
2021-05-06

EXTERNAL GEAR MACHINE

#40
20210062809
2021-03-04

Scroll compressor having a shaft support portion including a closing portion

#41
20210048023
2021-02-18

High pressure pumping system

#42
20210017992
2021-01-21

ELECTRIC COMPRESSOR

#43
20200362863
2020-11-19

Oil supplying mechanism, and horizontal compressor having same

#44
20200362860
2020-11-19

Compact dual-section gear pump

#45
20200309127
2020-10-01

Scroll compressor

#46
20200248691
2020-08-06

SCROLL COMPRESSOR

#47
20200200170
2020-06-25

Screw compressor having at least one control slide including piston rod with guide inserts

#48
20200149531
2020-05-14

Vane rotary compressor having a bearing with back pressure pockets

#49
20200141402
2020-05-07

Gear pump device having three member seal mechanism containing fitted insertion part to seal axial face of gear pump between inner and outer gear

#50
20200109774
2020-04-09

Pump assembly and method for producing a pump assembly

#51
20200088285
2020-03-19

Pressure compensated external gear machine

#52
20200025195
2020-01-23

CAVITATION RESISTANT GEAR DRIVEN FUEL PUMP

#53
20200011180
2020-01-09

Hydraulic machine with stepped roller vane and fluid power system including hydraulic machine with starter motor capability

#54
20200003214
2020-01-02

Active clearance management in screw compressor

#55
20190383290
2019-12-19

Compressor system with purge gas system

#56
20190345939
2019-11-14

Compressor having bushing

#57
20190316584
2019-10-17

Compressor having bushing

#58
20190301464
2019-10-03

Scroll compressor including bushing mounted on eccentric shaft containing cylindrical and auxiliary weight portions and balancer disposed above annular rotor remote from back pressure chamber

#59
20190301451
2019-10-03

Hybrid pump bearing for contamination resistance

#60
20190285067
2019-09-19

Internally rotating gear pump

#61
20190242410
2019-08-08

Miniature high pressure pump and electrical hydraulic actuation system

#62
20190195224
2019-06-27

Scroll compressor and refrigeration cycle apparatus

#63
20190128263
2019-05-02

Scroll compressor with scroll bolt clamp joint

#64
20190120232
2019-04-25

Screw compressor

#65
20190085844
2019-03-21

Screw pump

#66
20190078619
2019-03-14

Gear pump bearing

#67
20180340533
2018-11-29

Pump drive for conveying a reducing agent for motor vehicle exhaust gas systems, modular motor and pump family for forming different pump drives with several such electric motors

#68
20180320686
2018-11-08

Gear pump device for rubber extrusion

#69
20180291894
2018-10-11

ENGINE OIL PUMP

#70
20180252217
2018-09-06

Lubrication system

#71
20180252216
2018-09-06

Mutual rotating scroll compressor

#72
20180223598
2018-08-09

Lobed rotor with circular section for fluid-driving apparatus

#73
20180187675
2018-07-05

Modular thrust-compensating rotor assembly

#74
20180142685
2018-05-24

BEARING FACES WITH FLUID CHANNELS FOR GEAR PUMPS

#75
20180112659
2018-04-26

Fuel pump

#76
20180087509
2018-03-29

Active clearance management in screw compressor

#77
20180080446
2018-03-22

Co-rotating scroll compressor having back pressure structure

#78
20180066656
2018-03-08

Oil flow through the bearings of a scroll compressor

#79
20180051743
2018-02-22

Gear pump bearing

#80
20180051742
2018-02-22

Gear pump bearing

#81
20180051696
2018-02-22

Bearing structures for gear pumps

#82
20170350396
2017-12-07

Compressor having a sleeve guide assembly

#83
20170335844
2017-11-23

Gerotor pump having an inner gear, a rotor, and an outer gear, with inclined lubrication surface on teeth of face wall of rotor adjacent to pressure kidney and suction kidney

#84
20170292516
2017-10-12

Electric pump supported by journal bearings

#85
20170284399
2017-10-05

Compressor exhaust structure, screw compressor and air-conditioning unit having same

#86
20170268340
2017-09-21

Scroll Fluid Machine

#87
20170248139
2017-08-31

Two-cylinder hermetic compressor

#88
20170218955
2017-08-03

Rotary compressor

#89
20170211574
2017-07-27

Screw compressor with control slider and detector

#90
20170191481
2017-07-06

Pump devices

#91
20170191479
2017-07-06

Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing

#92
20170097001
2017-04-06

Pump-motor combination having a single common rotor shaft

#93
20170074267
2017-03-16

Scroll compressor with a lubrication arrangement

#94
20170058897
2017-03-02

Vacuum pump of lightweight construction

#95
20170002810
2017-01-05

Trochoid pump for transferring high-viscosity liquid under high pressure

#96
20160356274
2016-12-08

Press-fit bearing housing with non-cylindrical diameter

#97
20160356272
2016-12-08

Compressor

#98
20160344253
2016-11-24

Compressor and method of assembling compressor

#99
20160298625
2016-10-13

Fluid pump with radial bearing between inner rotor and rotary shaft and lubrication groove in outer peripheral surface of radial bearing

#100
20160290336
2016-10-06

Gear pump or motor

#101
20160265528
2016-09-15

Gear pump or hydraulic gear motor with helical toothing provided with hydraulic system for axial thrust balance

#102
20160208611
2016-07-21

Bearing faces with fluid channels for gear pumps

#103
20160201694
2016-07-14

Miniature high pressure pump and electrical hydraulic actuation system

#104
20160169224
2016-06-16

Gear pump bearing dam

#105
20160160861
2016-06-09

Lubrication reservoir and recirculation arrangement for scroll compressor bearing

#106
20160123390
2016-05-05

Gear pump bearings with hybrid pads

#107
20160084252
2016-03-24

Negative pressure pump and cylinder head cover

#108
20160069348
2016-03-10

Scroll compressor with unloader assembly

#109
20160061203
2016-03-03

Scroll compressor

#110
20160018136
2016-01-21

Multiple cylinder rotary compressor and refrigeration cycle apparatus

#111
20150361983
2015-12-17

Compressor including bearing and unloader assembly

#112
20150322790
2015-11-12

Rotation device and rotor compressor and fluid motor having the same

#113
20150308428
2015-10-29

Gear machine with eccentricity at the gearwheels

#114
20150285302
2015-10-08

Bush bearing and a scroll compressor including a bush bearing

#115
20150240815
2015-08-27

Rotary compressor

#116
20150152731
2015-06-04

Scroll compressor

#117
20150147211
2015-05-28

Gear pump bearing dam

#118
20150110610
2015-04-23

Supercharger assembly with rotor end face seal and method of manufacturing a supercharger assembly

#119
20150093276
2015-04-02

Scroll type fluid machine with eccentric bush

#120
20150064038
2015-03-05

Internal gear pump

#121
20150037184
2015-02-05

Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing

#122
20150036955
2015-02-05

Sliding member and manufacturing method therefor

#123
20140369875
2014-12-18

Progressive cavity pump including a bearing between the rotor and stator

#124
20140356210
2014-12-04

Scroll compressor having a bush bearing provided on a boss of orbiting scroll

#125
20140322059
2014-10-30

Bearing insert having flattened portion and fluid machine having the same

#126
20140322039
2014-10-30

Bearing arrangement and wear indicator for a liquid ring vacuum pump

#127
20140301880
2014-10-09

Scroll compressor

#128
20140271311
2014-09-18

Internal gear pump with axial disk and intermediate piece

#129
20140270613
2014-09-18

Radial roller bearing, rotary machine including radial roller bearing, and method for designing radial roller bearing

#130
20140234147
2014-08-21

Compressor with pressure reduction groove formed in eccentric part

#131
20140227116
2014-08-14

Compressor

#132
20140219850
2014-08-07

Compressor bearing and unloader assembly

#133
20140159313
2014-06-12

Automatic compensation mechanism for hinge seal gap in spherical compressor

#134
20140147324
2014-05-29

Scroll compressor with unloader assembly

#135
20140127057
2014-05-08

Compressor

#136
20140056736
2014-02-27

Scroll compression device

#137
20140037474
2014-02-06

Scroll compression device

#138
20140023540
2014-01-23

Anti-wear coatings for scroll compressor wear surfaces

#139
20140003987
2014-01-02

Aircraft main engine fuel pump with multiple gear stages using shared journals

#140
20130323105
2013-12-05

Thrust plate for a horizontal scroll compressor and a horizontal scroll compressor having the same

#141
20130320147
2013-12-05

Gear pump, pumping apparatus including the same, and aircraft fuel system including gear pump

#142
20130319153
2013-12-05

Flow and pressure ripple reduction with advance dual gear and bearing face cut

#143
20130287617
2013-10-31

Method and apparatus for scroll alignment

#144
20130259729
2013-10-03

Gear pump with asymmetrical dual bearing

#145
20130259728
2013-10-03

Scroll compressor with control valve for controlling cooling capacity based on speed and centrifugal force

#146
20130251577
2013-09-26

Scroll compressor with tilting slider block

#147
20130251574
2013-09-26

Scroll compressor with captured thrust washer

#148
20130251573
2013-09-26

Press-fit bearing housing with large gas passages

#149
20130251563
2013-09-26

Press-fit bearing housing with non-cylindrical diameter

#150
20130236344
2013-09-12

Scroll fluid machine

#151
20130121857
2013-05-16

Compressor and motor device thereof

#152
20130071278
2013-03-21

Scroll compressor having oil hole

#153
20130071277
2013-03-21

SCROLL COMPRESSOR

#154
20120288392
2012-11-15

Composite metal-polymer bushing and crankshaft assembly

#155
20120219449
2012-08-30

Bearing face geometry for gear pump

#156
20120171061
2012-07-05

Gear pump

#157
20120020819
2012-01-26

Bush bearing fabricating method thereof and hermetic compressor having the same

#158
20110214451
2011-09-08

Compressor and refrigerating machine having the same

#159
20100047104
2010-02-25

Fluid machine with divided housing

#160
20090285711
2009-11-19

Root pump

#161
20090269192
2009-10-29

Support member for optimizing dynamic load distribution and attenuating vibration

#162
20080044300
2008-02-21

Air pump

#163
20070163840
2007-07-19

Lubricant supply system and operating method of multisystem lubrication screw compressor

#164
18744217
2025-05-27

Gear pump with suction housing element providing a tight seal between suction and high-pressure chamber to increase pump efficiency and method of providing tight seal

#165
17746044
2023-04-25

Gerotor pump with bearing

#166
16208189
2020-03-10

Fuel pump bearing with non-concentric inner diameters