ClassID:

143839

F04C2240/809 - CPC Classification

Classification description:

Components; Other components Lubricant sump

Recent Application in this class:
#1
20260071623
2026-03-12

CO-ROTATING SCROLL COMPRESSOR

#2
20250198407
2025-06-19

AIREND HAVING A LUBRICANT FLOW VALVE AND CONTROLLER

#3
20250172322
2025-05-29

MOTOR, COMPRESSOR AND AIR CONDITIONER

#4
20250137456
2025-05-01

COMPRESSOR-OIL RECEIVING DEVICE AND COMPRESSOR SYSTEM HAVING A COMPRESSOR-OIL RECEIVING DEVICE OF THIS TYPE

#5
20250129783
2025-04-24

LUBRICATION SYSTEM FOR COMPRESSORS

#6
20250052242
2025-02-13

A COMPRESSOR SCROLL PROVIDED WITH AN OIL SUMP FAIRING

#7
20240271621
2024-08-15

Low-pressure chamber rotary compressor and air conditioner

#8
20240247656
2024-07-25

Methods and systems for lubricating a transport climate control system having an auxiliary sump

#9
20240183353
2024-06-06

Scroll compressor

#10
20240011489
2024-01-11

Airend having a lubricant flow valve and controller

#11
20240003348
2024-01-04

Compressor with oil pump

#12
20230417461
2023-12-28

COMPRESSOR DEVICE AND REFRIGERATION APPARATUS

#13
20230313797
2023-10-05

HORIZONTAL ROTARY COMPRESSOR WITH ENHANCED TILTABILITY DURING OPERATION AND OTHER PERFORMANCE METRICS

#14
20230279860
2023-09-07

Methods and systems for lubricating a transport climate control system having an auxiliary sump

#15
20230258185
2023-08-17

Scroll electric compressor

#16
20230175510
2023-06-08

SCROLL COMPRESSOR

#17
20230175507
2023-06-08

Compressor

#18
20230160383
2023-05-25

Compressor

#19
20230076531
2023-03-09

ROTOR ASSEMBLY AND COMPRESSOR

#20
20230017093
2023-01-19

Airend having a lubricant flow valve and controller

#21
20220412360
2022-12-29

Scroll-compressor, refrigeration device, and vehicle with oil separation and oil storage

#22
20220290670
2022-09-15

Helium compressor system with unmodified scroll compressor

#23
20220163036
2022-05-26

Scroll compressor including a lubrication system provided with an oil stirring arrangement

#24
20220112897
2022-04-14

Compressor and refrigeration device with an oil return channel having a first relative distance to an inner-side wall

#25
20220074412
2022-03-10

Scroll compressor including a baseplate having a mounting base and a cylindrical rim secured by a double-welded T-joint

#26
20220056918
2022-02-24

Pump assembly and method of controlling a pump

#27
20220042509
2022-02-10

Compressor oil management system

#28
20220003234
2022-01-06

Oil-free water-injected screw air compressor

#29
20210381507
2021-12-09

Scroll compressor having cooling pipe moving synchronously with orbiting scroll and rotating with respect to crankshaft

#30
20210324859
2021-10-21

Lubrication system for a compressor

#31
20210324856
2021-10-21

Compressor having oil feeding channels

#32
20210239118
2021-08-05

Horizontal rotary compressor with enhanced tiltability during operation

#33
20210164472
2021-06-03

Rotary compressor

#34
20210108638
2021-04-15

Dry vacuum pump with a pressure variation reducing expansion device between a pumping side volume and an oil sump

#35
20210095657
2021-04-01

Airend having a lubricant flow valve and controller

#36
20210010475
2021-01-14

Screw-type compressor for a utility vehicle

#37
20200408208
2020-12-31

Scroll compressor provided with an orbital disc lubrication system

#38
20200400142
2020-12-24

Automotive variable mechanical lubricant pump

#39
20200362863
2020-11-19

Oil supplying mechanism, and horizontal compressor having same

#40
20200332798
2020-10-22

MOTOR-OPERATED COMPRESSOR

#41
20200256335
2020-08-13

Variable displacement lubricant vane pump

#42
20190390673
2019-12-26

Screw compressor for a utility vehicle

#43
20190331106
2019-10-31

Compressor module

#44
20190257310
2019-08-22

OIL-LUBRICATED ROTARY VANE VACUUM PUMP

#45
20190249663
2019-08-15

Lubrication strategy for dry run pump system

#46
20190211826
2019-07-11

Screw compressor for a utility vehicle

#47
20190186488
2019-06-20

Co-rotating compressor with multiple compression mechanisms

#48
20190145414
2019-05-16

Pump mechanism and horizontal compressor having same

#49
20190105585
2019-04-11

Anti-foaming pipe and compressor system

#50
20180358861
2018-12-13

Compressor and heat cycle system for refrigerator

#51
20180306189
2018-10-25

Oil circuit, oil-free compressor provided with such oil circuit and a method to control lubrication and/or cooling of such oil-free compressor via such oil circuit

#52
20180298905
2018-10-18

Refrigerant compressor system

#53
20180291903
2018-10-11

COMPRESSOR

#54
20180224171
2018-08-09

Co-rotating compressor with multiple compression mechanisms and system having same

#55
20180223852
2018-08-09

Compressor bearing housing drain

#56
20180223842
2018-08-09

Co-rotating compressor with multiple compression mechanisms

#57
20180195505
2018-07-12

Compressor

#58
20180135630
2018-05-17

Rotary compressor for compressing refrigerant using cylinder

#59
20170306963
2017-10-26

Scroll compressor having scroll with oil dimples

#60
20170191479
2017-07-06

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

#61
20170108255
2017-04-20

Oil-gas balancing apparatus and compressor system with the same

#62
20170097001
2017-04-06

Pump-motor combination having a single common rotor shaft

#63
20170089340
2017-03-30

Compressor having oil-level sensing system

#64
20170058900
2017-03-02

LUBRICATION SYSTEM OF ELECTRIC COMPRESSOR

#65
20170045053
2017-02-16

Screw compressor having oil separator and water chilling unit

#66
20170045052
2017-02-16

Multiple compressor configuration with oil-balancing system

#67
20170002816
2017-01-05

SCROLL COMPRESSOR

#68
20170002814
2017-01-05

Vane compressor

#69
20160369803
2016-12-22

Duct-mounted suction gas filter

#70
20160319816
2016-11-03

Compressor having oil-level sensing system

#71
20160312779
2016-10-27

Compressor

#72
20160252093
2016-09-01

Compressor assembly with liquid sensor

#73
20160252092
2016-09-01

Compressor assembly with liquid sensor

#74
20160187173
2016-06-30

Oil level detecting apparatus and control method thereof, oil flow detecting apparatus and control method thereof, method for control oil return using oil level and oil flow

#75
20160123325
2016-05-05

Compressor and method of autonomously inspecting oil

#76
20150275898
2015-10-01

Alignment feature for a lower bearing assembly for a scroll compressor

#77
20150240817
2015-08-27

Oil separator device for a volumetric compressor and volumetric compressor

#78
20150167670
2015-06-18

Compressor

#79
20150110660
2015-04-23

Compressor with cyclone and internal oil reservoir

#80
20150064040
2015-03-05

Compressor assembly with liquid sensor

#81
20150052936
2015-02-26

Sealed compressor and vapor compression refrigeration cycle apparatus including the sealed compressor

#82
20140322057
2014-10-30

Rotary compressor

#83
20140314606
2014-10-23

Refrigerant compressor including a polymerization inhibitor contained therein

#84
20140301881
2014-10-09

Rotary compressor with oil retaining portion

#85
20140294642
2014-10-02

Vane compressor that suppresses the wear at the tip of the vane

#86
20140271315
2014-09-18

Vane compressor having a vane supporter that suppresses leakage of refrigerant

#87
20140271303
2014-09-18

Vane-type compressor having an oil supply channel between the oil resevoir and vane angle adjuster

#88
20140241926
2014-08-28

Apparatus and method for oil equalization in multiple-compressor systems

#89
20140219851
2014-08-07

Rotary compressor

#90
20140044581
2014-02-13

Rotary compressor and rotation mechanism

#91
20130343941
2013-12-26

Scroll compressor with differential pressure hole and communication hole

#92
20130330210
2013-12-12

Compression device, and thermodynamic system comprising such a compression device

#93
20130272910
2013-10-17

Scroll compressor

#94
20130251550
2013-09-26

Compressor baseplate with stiffening ribs for increased oil volume and rail mounting without spacers

#95
20130115122
2013-05-09

Rotary compressor with vibration reduction and oil control

#96
20130108497
2013-05-02

Device for damping sloshing of oil for a screw-type compressor

#97
20130098100
2013-04-25

Refrigeration compressor that maintains a satisfactory oil level

#98
20130071278
2013-03-21

Scroll compressor having oil hole

#99
20130034461
2013-02-07

Compressor

#100
20120308410
2012-12-06

Fluid Machine

#101
20120237382
2012-09-20

Screw expander system

#102
20120207634
2012-08-16

Lubricant control valve for a screw compressor

#103
20120099966
2012-04-26

Compressor with cyclone and internal oil reservoir

#104
20120087819
2012-04-12

Rotary compressor

#105
20120003105
2012-01-05

Dry vacuum pump having multiple lubricant reservoirs

#106
20110302954
2011-12-15

Rotary-type fluid machine and refrigeration cycle apparatus

#107
20110243773
2011-10-06

Universal oil fitting

#108
20110211973
2011-09-01

Compressor with oil level controller

#109
20100269536
2010-10-28

Expander-compressor unit

#110
20100202909
2010-08-12

Fluid machine and refrigeration cycle apparatus

#111
20100180628
2010-07-22

Expander-integrated compressor and refrigeration-cycle apparatus with the same

#112
20100132398
2010-06-03

Fluid machine and refrigeration cycle apparatus having the same

#113
20100122550
2010-05-20

Hermetic compressor and refrigeration cycle device having the same

#114
20100122549
2010-05-20

Hermetic compressor including a backflow preventing portion and refrigeration cycle device having the same

#115
20100089092
2010-04-15

Refrigeration cycle apparatus and fluid machine used therefor

#116
20100021330
2010-01-28

Baffle member for scroll compressors

#117
20090297382
2009-12-03

Expander and expander-compressor unit

#118
20090280020
2009-11-12

Compressor having an ejector oil pump

#119
20090191082
2009-07-30

Screw compressor

#120
20090155111
2009-06-18

Rotary-type fluid machine and refrigeration cycle apparatus

#121
20090071188
2009-03-19

Oil separator and refrigerant compressor having the same

#122
20090000872
2009-01-01

Compressor with dual pathways for returning lubricating oil

#123
20080069714
2008-03-20

Compressor having a lubrication shield

#124
20070253854
2007-11-01

Compressor with oil bypass

#125
20070183917
2007-08-09

Foam reduction device for a compressor

#126
20070074534
2007-04-05

Refrigerant compressor and refrigerant cycle device including the same

#127
20060180397
2006-08-17

Instrument tilting apparatus

#128
20060180396
2006-08-17

Lubricant collection apparatus

#129
20060171831
2006-08-03

Inclined scroll machine having a special oil sump

#130
20060170314
2006-08-03

Vacuum pump cabinet

#131
20060013697
2006-01-19

Hermetic compressor

#132
18907798
2025-08-12

Rotary compressor

#133
18901466
2025-06-10

Rotary compressor

#134
17944015
2023-04-18

Electric compressor with oil separator and oil separator for use in an electrical compressor