ClassID:

144310

F04D29/464 - CPC Classification

Classification description:

Details, component parts, or accessories; Casings; Connections of working fluid for radial or helico-centrifugal pumps; Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps adjusting flow cross-section, otherwise than by using adjustable stator blades

Recent Application in this class:
#1
20260110309
2026-04-23

INTERSTAGE CAPACITY CONTROL VALVE WITH SEPARATE DRIVE AND STABILIZATION LINKAGES

#2
20260110308
2026-04-23

Turbocharger housing and turbocharger

#3
20260007110
2026-01-08

DEFLECTOR ASSEMBLY FOR OUTDOOR POWER EQUIPMENT

#4
20250361876
2025-11-27

PLENUM CLOSURE PANEL WITH INTEGRATED AIRFLOW DIRECTION DEVICE

#5
20250223974
2025-07-10

NOZZLE FOR A FAN ASSEMBLY

#6
20250163820
2025-05-22

ADJUSTABLE POSITION IMPELLER SHROUD FOR CENTRIFUGAL COMPRESSORS

#7
20250129791
2025-04-24

CENTRIFUGAL COMPRESSOR

#8
20250122891
2025-04-17

CENTRIFUGAL ACCELERATION STABILIZER

#9
20250003424
2025-01-02

APPARATUS FOR REDUCING AIR TURBULENCE IN A FAN CHASSIS

#10
20240271636
2024-08-15

Nozzle for a fan assembly

#11
20240271634
2024-08-15

NOZZLE FOR A FAN ASSEMBLY

#12
20240125330
2024-04-18

Hybrid electric turbocharger

#13
20240084818
2024-03-14

Variable pipe diffuser

#14
20240077087
2024-03-07

Centrifugal acceleration stabilizer

#15
20230358253
2023-11-09

Centrifugal acceleration stabilizer

#16
20230050726
2023-02-16

Compact variable geometry diffuser mechanism

#17
20230003232
2023-01-05

Blower comprising a fan installed in an inner space of a lower body having a first and second upper body positioned above and a space formed between the bodies wherein the bodies have a first and second openings formed through respective boundary surfaces which are opened and closed by a door assembly

#18
20220397054
2022-12-15

Turbo compressor assembly

#19
20220390139
2022-12-08

Blower with adjustable cutoff plate

#20
20220186747
2022-06-16

Turbocharger compressor with inlet-adjustment mechanism having pivoting blades forming adjustable uninterrupted blade ring

#21
20220186745
2022-06-16

DEFLECTOR ASSEMBLY FOR OUTDOOR POWER EQUIPMENT

#22
20220154729
2022-05-19

Centrifugal compressor and turbocharger

#23
20220154721
2022-05-19

Centrifugal compressor with recirculation structure

#24
20220145903
2022-05-12

Centrifugal compressor and turbocharger

#25
20220099107
2022-03-31

Centrifugal compressor

#26
20220099101
2022-03-31

Centrifugal compressor

#27
20220018360
2022-01-20

Centrifugal compressor and turbocharger

#28
20210388780
2021-12-16

Throttle valve for a centrifugal compressor

#29
20210372433
2021-12-02

VARIABLE GEOMETRY DIFFUSER HAVING EXTENDED TRAVEL AND CONTROL METHOD THEREOF

#30
20210363916
2021-11-25

Air-guiding section for an exhaust turbocharger and exhaust turbocharger

#31
20210348622
2021-11-11

Centrifugal compressor and diffuser

#32
20210285456
2021-09-16

Draft inducer blower

#33
20210277913
2021-09-09

Blower comprising a fan installed in an inner space of a lower body having a first and second upper body positioned above and a space formed between the bodies wherein the bodies have a first and second openings formed through respective boundary surfaces which are opened and closed by a door assembly

#34
20210190091
2021-06-24

Compressor inlet arrangement

#35
20210164494
2021-06-03

Variable diffuser drive system

#36
20210140672
2021-05-13

Blower with adjustable cutoff plate

#37
20210131447
2021-05-06

Centrifugal compressor

#38
20210115942
2021-04-22

Compressor inlet adjustment mechanism

#39
20210048038
2021-02-18

Radial compressor having iris diaphragm mechanism

#40
20210040959
2021-02-11

Centrifugal compressor

#41
20200318650
2020-10-08

Modular cutoff for a blower housing

#42
20200309142
2020-10-01

Compact variable geometry diffuser mechanism

#43
20200291851
2020-09-17

Turbocharger having adjustable-trim centrifugal compressor including divergent-wall diffuser

#44
20200217241
2020-07-09

Radial compressor for a charging device of an internal combustion engine, charging device and lamellas for an iris diaphragm mechanism, and method for producing such lamella

#45
20200208652
2020-07-02

RADIAL COMPRESSOR COMPRISING AN IRIS DIAPHRAGM MECHANISM FOR A CHARGING DEVICE OF AN INTERNAL COMBUSTION ENGINE, CHARGING DEVICE, AND LAMELLA FOR THE IRIS DIAPHRAGM MECHANISM

#46
20200208651
2020-07-02

Radial compressor having an iris mechanism for a supercharging device of an internal combustion engine, supercharging device and blade for the iris mechanism

#47
20200208650
2020-07-02

Compressor for a charging device of an internal combustion engine and charging device for an internal combustion engine

#48
20200166049
2020-05-28

High performance wedge diffusers for compression systems

#49
20200120881
2020-04-23

Stand-on blower

#50
20200109718
2020-04-09

Centrifugal compressor

#51
20200072499
2020-03-05

Heating blower and heating device

#52
20200032813
2020-01-30

Electromechanical actuators for refrigerant flow control

#53
20200018325
2020-01-16

COLLECTOR FOR A COMPRESSOR

#54
20200011231
2020-01-09

Method of operating a motor vehicle and motor vehicle

#55
20190383306
2019-12-19

Radial compressor

#56
20190338785
2019-11-07

Variable geometry diffuser having extended travel and control method thereof

#57
20190316590
2019-10-17

Vortex pump

#58
20190285086
2019-09-19

Method for controlling a trim-adjustment mechanism for a centrifugal compressor

#59
20190249687
2019-08-15

Diffuser for a centrifugal compressor and centrifugal compressor having the same

#60
20190195122
2019-06-27

TURBOCHARGER HAVING VARIABLE COMPRESSOR TRIM

#61
20190162200
2019-05-30

Inlet-adjustment mechanism for turbocharger compressor, having sealing means preventing recirculation and/or oil migration into the mechanism

#62
20190154044
2019-05-23

Draft inducer blower

#63
20190136755
2019-05-09

Centrifugal compressor for a turbocharger, having pressure-balanced adjustable-trim mechanism

#64
20190120241
2019-04-25

Assembly blower and associated method

#65
20190107111
2019-04-11

Centrifugal compressor with recirculation structure

#66
20190078587
2019-03-14

Systems and method for a variable inlet device of a compressor

#67
20190072109
2019-03-07

Centrifugal blower assembly and method for assembling the same

#68
20190048876
2019-02-14

Centrifugal compressor for a turbocharger, having synergistic ported shroud and inlet-adjustment mechanism

#69
20180355890
2018-12-13

Diffuser restriction ring

#70
20180347593
2018-12-06

Solenoid actuated safety compliant fan finger guard structures and methods

#71
20180340549
2018-11-29

Variable diffuser with axially translating end wall for a centrifugal compressor

#72
20180340544
2018-11-29

Slidable sleeve actuation system for a turbocharger compressor

#73
20180328270
2018-11-15

Turbocharger housing

#74
20180283401
2018-10-04

Modular fan unit apparatus and methods

#75
20180258842
2018-09-13

Adjustable-trim centrifugal compressor for a turbocharger

#76
20180163749
2018-06-14

Adjusting mechanism for centrifugal compressors

#77
20180100517
2018-04-12

CENTRIFUGAL BLOWER AND VACUUM CLEANER

#78
20180045107
2018-02-15

Passive inlet-adjustment mechanisms for compressor, and turbocharger having same

#79
20170350417
2017-12-07

VARIABLE AREA DIFFUSER

#80
20170320470
2017-11-09

Mechanism for selectively opening/closing a vehicle wash component inlet opening

#81
20170306977
2017-10-26

Compressor Having a Variable Diffuser Width

#82
20170306734
2017-10-26

Downhole wet gas compressor processor

#83
20170298953
2017-10-19

Adjustable-trim centrifugal compressor for a turbocharger

#84
20170298943
2017-10-19

Adjustable-trim centrifugal compressor for a turbocharger

#85
20170227013
2017-08-10

Methods and system for a turbocharger

#86
20170211588
2017-07-27

Radial turbocharger comprising a swirl generator

#87
20170191483
2017-07-06

Automatic inflation device

#88
20170152862
2017-06-01

Method for controlling a trim-adjustment mechanism for a centrifugal compressor

#89
20170089357
2017-03-30

COMPRESSOR HOUSING WITH VARIABLE DIAMETER DIFFUSER

#90
20160319839
2016-11-03

Centrifugal compressor and centrifugal unit having the same

#91
20160281735
2016-09-29

Centrifugal compressor and centrifugal water chilling unit

#92
20160265424
2016-09-15

Adjustable-trim centrifugal compressor, and turbocharger having same

#93
20160238019
2016-08-18

GAS PIPELINE CENTRIFUGAL COMPRESSOR AND GAS PIPELINE

#94
20160230651
2016-08-11

Controlling turbocharger compressor choke

#95
20160230650
2016-08-11

Passive and semi-passive inlet-adjustment mechanisms for compressor, and turbocharger having same

#96
20160222875
2016-08-04

Tunable turbocharger compressor cover

#97
20160208817
2016-07-21

Blower assembly for a vehicle

#98
20160208816
2016-07-21

Blower assembly for a vehicle

#99
20160208815
2016-07-21

BLOWER ASSEMBLY FOR A VEHICLE

#100
20160208809
2016-07-21

Compressor including flow control insert and electromagnetic actuator

#101
20160208808
2016-07-21

Regulator assembly and centrifugal compressor

#102
20160177956
2016-06-23

Adjustable-trim centrifugal compressor, and turbocharger having same

#103
20160146099
2016-05-26

Adjustable-trim centrifugal compressor, and turbocharger having same

#104
20160131155
2016-05-12

Geared centrifugal compressor with pressure adjustment portion to balance axial thrust

#105
20160123347
2016-05-05

Linkage to actuate inlet guide vanes

#106
20160123333
2016-05-05

Adjustable-trim centrifugal compressor, and turbocharger having same

#107
20160115965
2016-04-28

Damper-integrated blower having improved airtightness

#108
20150377244
2015-12-31

SYSTEM AND METHOD FOR COMPRESSING AIR

#109
20150354591
2015-12-10

Centrifugal compressor

#110
20150275917
2015-10-01

Centrifugal compressor

#111
20150108364
2015-04-23

Charged particle emission device and air-blowing device

#112
20150010383
2015-01-08

Centrifugal compressor diffuser control

#113
20140377051
2014-12-25

Turbocharger systems and method to prevent compressor choke

#114
20140356138
2014-12-04

Variable-speed multi-stage refrigerant centrifugal compressor with diffusers

#115
20140328667
2014-11-06

Variable geometry diffuser having extended travel and control method thereof

#116
20140321988
2014-10-30

DEVICE FOR MODIFYING FLOW PARAMETERS OF WORKING FLUID EXITING A COMPRESSOR DEVICE

#117
20140093396
2014-04-03

Gas compressor control system preventing vibration damage

#118
20140003930
2014-01-02

Centrifugal compressor

#119
20130064682
2013-03-14

Variable-speed oil-free refrigerant centrifugal compressor with variable geometry diffuser

#120
20120237340
2012-09-20

Active air flow adjustable fan

#121
20120051891
2012-03-01

Centering device and system for driving ring

#122
20100260595
2010-10-14

Flow regulation mechanism for turbocharger compressor

#123
20100166539
2010-07-01

Centrifugal compressor

#124
20100129204
2010-05-27

Variable diffuser and compressor

#125
20100083526
2010-04-08

Vehicle dryer with butterfly inlet valve

#126
20100068047
2010-03-18

Centrifugal blower

#127
20090196741
2009-08-06

Turbo compressor and refrigerator

#128
20080267764
2008-10-30

Active air flow adjustable fan

#129
20080138200
2008-06-12

Centrifugal compressor having switchable two passages

#130
20070248453
2007-10-25

Centrifugal compressor performance by optimizing diffuser surge control and flow control device settings

#131
20060096287
2006-05-11

Exhaust gas turbocharger for an internal combustion engine

#132
18901834
2025-12-23

Interstage capacity control valve with separate drive and stabilization linkages

#133
17942963
2023-10-03

Variable channel diffuser

#134
17942942
2024-01-16

Variable vaneless diffuser with moving floor

#135
17942938
2024-01-30

Variable channel diffuser with moving floor

#136
17401528
2023-01-17

Compressor including inlet guide vanes

#137
16186467
2022-07-26

System and method for guiding compressible gas flowing through a duct

#138
14623897
2015-11-10

Compressor intake noise prevention by choking flow with duct geometry