ClassID:

143844

F04C2250/101 - CPC Classification

Classification description:

Geometry of the inlet or outlet of the inlet

Recent Application in this class:
#1
20250243860
2025-07-31

SCROLL COMPRESSOR

#2
20250188929
2025-06-12

SCREW COMPRESSOR

#3
20250163913
2025-05-22

MIXING CHAMBER FOR GENERATING A PUMP CHARGE

#4
20250146490
2025-05-08

Parallel connected multiple shaft roots vacuum pump

#5
20250109748
2025-04-03

HERMETIC COMPRESSOR AND REFRIGERATION CYCLE APPARATUS

#6
20240369058
2024-11-07

Single-Entry Screw Pump

#7
20240035471
2024-02-01

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

#8
20230358230
2023-11-09

Scroll compressor

#9
20230349381
2023-11-02

Fixed scroll and scroll compressor

#10
20230125736
2023-04-27

Rotary compressor

#11
20230108147
2023-04-06

Flow channeling structure

#12
20230060242
2023-03-02

Vane pump with a notch provided at a suction port

#13
20220381240
2022-12-01

Oil pump with straightening member branching the suction passage

#14
20220186731
2022-06-16

Rotary compressor with first and second main suction ports

#15
20220090600
2022-03-24

Scroll compressor

#16
20220034316
2022-02-03

Compressor having shell fitting

#17
20210239119
2021-08-05

Fluid equalisation for multiple compressors

#18
20210140428
2021-05-13

Pump housing with dual-purpose inlet fitting

#19
20200362860
2020-11-19

Compact dual-section gear pump

#20
20200309124
2020-10-01

Compressor having directed suction

#21
20200158110
2020-05-21

Compressor having surface of scroll compressor defining boundary of inlet and surface guide defining boundary of vent facing each other and electronic device using the same

#22
20200132073
2020-04-30

Air conditioner having compressor including curved suction port and a plurality of exhaust ports

#23
20190338780
2019-11-07

Inlets for rotary vane vacuum pump

#24
20190211823
2019-07-11

Rotary compressor having reduced pressure loss of refrigerant flow

#25
20190113036
2019-04-18

Vacuum pump having a silencer

#26
20190072091
2019-03-07

VANE PUMP

#27
20190024658
2019-01-24

Rotary compressor

#28
20180306148
2018-10-25

Fuel pump

#29
20180283377
2018-10-04

Electric gear pump with specific proportions for the fluid passages

#30
20180119695
2018-05-03

Gear pump and method for realising it

#31
20170321698
2017-11-09

System and Method for Improved Performance of Gerotor Compressors and Expanders

#32
20170298938
2017-10-19

Screw compressor element

#33
20170002811
2017-01-05

Cast-in offset fixed scroll intake opening

#34
20160333881
2016-11-17

Hermetic compressor having enlarged suction inlet

#35
20160305429
2016-10-20

Rotary compressor and compression unit thereof, and air conditioner

#36
20160298624
2016-10-13

Fluid pump

#37
20160238005
2016-08-18

Gear pump with improved pump inlet

#38
20160230758
2016-08-11

Vane pump

#39
20160201677
2016-07-14

Refrigerant filling rotary compressor

#40
20160102666
2016-04-14

Vane pump and fuel vapor leakage detection device using the same

#41
20150267702
2015-09-24

Gerotor with reduced leakage

#42
20150240813
2015-08-27

Electric gear pump with specific proportions for the fluid passages

#43
20150219097
2015-08-06

Gear pump including an inner rotor having a plurality of teeth

#44
20150139845
2015-05-21

Housing for a rotary vane pump

#45
20150030488
2015-01-29

Gear pump

#46
20150030486
2015-01-29

Variable capacity vane pump with a rotor and a cam ring rotatable eccentrically relative to a center of the rotor

#47
20140321230
2014-10-30

Mixing pump

#48
20140255232
2014-09-11

Planetary rotor machine manifold

#49
20140086779
2014-03-27

Gear machine having a non-circular low-pressure connection

#50
20140023545
2014-01-23

Inlet cutbacks for high speed gear pump

#51
20120156068
2012-06-21

Hermetically sealed scroll compressor

#52
20120134859
2012-05-31

Suction Duct and Scroll Compressor Incorporating Same

#53
20120058001
2012-03-08

SCREW COMPRESSOR WITH ECONOMIZER

#54
20120034125
2012-02-09

Vane pump with improved rotor and vane extension ring

#55
20110293460
2011-12-01

VANE PUMP INLET WINDOW SHAPE

#56
20110223052
2011-09-15

GAS COMPRESSOR

#57
20110142706
2011-06-16

NOISELESS PRESSURE BLOWER

#58
20110142705
2011-06-16

Rotary compressor with improved suction portion location

#59
20110076173
2011-03-31

Rotary compressor and manufacturing method of the same

#60
20100290924
2010-11-18

Nozzle insert for boosting pump inlet pressure

#61
20100166591
2010-07-01

Positive displacement rotary components having main and gate rotors with axial flow inlets and outlets

#62
20100129240
2010-05-27

Hermetically sealed scroll compressor

#63
20100108040
2010-05-06

Supercharger system for motorized vehicles and related transportation

#64
20100092320
2010-04-15

Inlet screen and scroll compressor incorporating same

#65
20100092319
2010-04-15

Suction duct and scroll compressor incorporating same

#66
20090139482
2009-06-04

OIL PUMP COVER

#67
20090110578
2009-04-30

Progressing cavity pump with split stator

#68
20090110565
2009-04-30

Sanitary pump assembly

#69
20090004039
2009-01-01

Single stage root type-vacuum pump and vacuum fluid transport system employing the single stage root type-vacuum pump

#70
20080247894
2008-10-09

Vane pump using line pressure to directly regulate displacement

#71
20080107556
2008-05-08

Rotary compressor for changing compression capacity

#72
20080075609
2008-03-27

Compressor

#73
20080008608
2008-01-10

Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigerant unit

#74
20070286758
2007-12-13

Screw compressor having asymmetric seal around rotor axis

#75
20070183914
2007-08-09

Suction baffle for scroll compressors

#76
20070160486
2007-07-12

Variable capacity rotary compressor

#77
20070154328
2007-07-05

Rotary compressor

#78
20070020112
2007-01-25

Compressor sound suppression

#79
20060245967
2006-11-02

Suction baffle for scroll compressors

#80
20060228244
2006-10-12

Scroll compressor with multiple isolated inlet ports

#81
20060222546
2006-10-05

Fixed scroll of scroll compressor

#82
20060222545
2006-10-05

Fixed scroll of scroll compressor

#83
20060204377
2006-09-14

Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method

#84
20060177335
2006-08-10

Low-pressure type orbiting vane compressor

#85
20060168994
2006-08-03

Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigerant unit

#86
20060073058
2006-04-06

Orbiting vane compressor with side-inlet structure

#87
20060073028
2006-04-06

Compressor sound suppression

#88
20060056983
2006-03-16

Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method

#89
20060056982
2006-03-16

Multistage compression type rotary compressor

#90
20060056981
2006-03-16

Filtering device for multistage compression type rotary compressor

#91
20050279416
2005-12-22

Inlet piece for a liquid-injected compressor element

#92
20050100469
2005-05-12

Scroll compressor