ClassID:

144302

F04D29/441 - page 2 - 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 especially adapted for elastic fluid pumps

Recent Application in this class:
#301
20200122546
2020-04-23

Vehicle HVAC airflow system

#302
20200120881
2020-04-23

Stand-on blower

#303
20200109719
2020-04-09

Centrifugal compressor

#304
20200086963
2020-03-19

Centrifugal compressor based altitude control device with active valve system

#305
20200063754
2020-02-27

Integrated structure of refluxer and pressure diffuser, and centrifugal compressor

#306
20200063753
2020-02-27

Centrifugal compressor and turbocharger

#307
20200063748
2020-02-27

CENTRIFUGAL BLOWER AND METHOD OF ASSEMBLING THE SAME

#308
20200063739
2020-02-27

TURBOMACHINERY

#309
20200056662
2020-02-20

Coanda effect bearing cooler

#310
20200056624
2020-02-20

Centrifugal compressor

#311
20200049165
2020-02-13

LOW-NOISE BLOWER

#312
20200049162
2020-02-13

Centrifugal compressor and turbocharger including the same

#313
20200049161
2020-02-13

Compressor diffuser with diffuser pipes varying in natural vibration frequencies

#314
20200049158
2020-02-13

Diaphragm for a centrifugal compressor

#315
20200049076
2020-02-13

Compressor diffuser with diffuser pipes having aero-dampers

#316
20200046135
2020-02-13

Built-in air pump assembly

#317
20200040900
2020-02-06

Thin cooling fan

#318
20200032812
2020-01-30

Regenerative blowers-compressors with shaft bypass fluid re-vents

#319
20200025214
2020-01-23

Centrifugal compressor with inclined diffuser

#320
20200018325
2020-01-16

COLLECTOR FOR A COMPRESSOR

#321
20200003455
2020-01-02

Variable stage compressors

#322
20190376521
2019-12-12

CENTRIFUGAL COMPRESSOR

#323
20190368596
2019-12-05

Machine and gearbox system with air cooling

#324
20190368595
2019-12-05

Machine and gearbox system and cooling therefor

#325
20190338784
2019-11-07

Volute mechanism of a centrifugal fan

#326
20190338699
2019-11-07

Method for controlling an inlet-adjustment mechanism for a turbocharger compressor

#327
20190316600
2019-10-17

Diffuser pipe with non-axisymmetric end wall

#328
20190301486
2019-10-03

Load-bearing members for aircraft lift and thrust

#329
20190301485
2019-10-03

Fan module and electronic device

#330
20190301475
2019-10-03

Fan for ventilating or conditioning environment

#331
20190293087
2019-09-26

Pipe diffuser of centrifugal compressor

#332
20190293082
2019-09-26

CENTRIFUGAL BLOWER

#333
20190290081
2019-09-26

BLOWER AND VACUUM CLEANER

#334
20190277306
2019-09-12

Fan structure and electronic assembly

#335
20190277297
2019-09-12

Fan for ventilating or conditioning environment

#336
20190249680
2019-08-15

Built-in air pump

#337
20190242408
2019-08-08

Silencer for a centrifugal compressor assembly

#338
20190242404
2019-08-08

FAN ASSEMBLIES

#339
20190242400
2019-08-08

Centrifugal fan

#340
20190242391
2019-08-08

CEILING FAN

#341
20190234423
2019-08-01

FAN

#342
20190226493
2019-07-25

Diffuser for compressor

#343
20190219062
2019-07-18

AIR BLOWER AND CLEANER

#344
20190219057
2019-07-18

Centrifugal compressor with diffuser with throat

#345
20190186500
2019-06-20

Inlet shrouds for fans used principally in water-circulation pumps of swimming pools and spas

#346
20190184868
2019-06-20

Dual scroll type bi-directional blower

#347
20190162197
2019-05-30

Compressor with offset diffuser for integral bleed

#348
20190162191
2019-05-30

Radial compressor and turborcharger

#349
20190154057
2019-05-23

Vacuum Suction Unit

#350
20190154056
2019-05-23

Blower

#351
20190145422
2019-05-16

Machine and process for filterless wet removal of particles from and humidification of air

#352
20190136869
2019-05-09

Rotary machine and diaphragm

#353
20190128270
2019-05-02

Closed impeller with self-recirculation casing treatment

#354
20190113051
2019-04-18

BLADELESS FAN

#355
20190113043
2019-04-18

Motor-fan assembly with improved airflow and noise reduction properties

#356
20190107112
2019-04-11

Fan

#357
20190107082
2019-04-11

Compressor stage EGR injection

#358
20190101133
2019-04-04

Centrifugal compressor

#359
20190085864
2019-03-21

Flue Exhaust Fan with Configurable Outlet

#360
20190063458
2019-02-28

Fan motor assembly and vacuum cleaner having the same

#361
20190063457
2019-02-28

Centrifugal compressor

#362
20190055959
2019-02-21

Compressor scroll and centrifugal compressor

#363
20190048879
2019-02-14

Cross flow blower

#364
20190040874
2019-02-07

Centrifugal Impeller and Centrifugal Blower

#365
20190032833
2019-01-31

PIPING FOR DRIVEN-TYPE FLUID MACHINE

#366
20190032676
2019-01-31

Combined secondary inlet bell and flow grid for a centrifugal fan or centrifugal compressor

#367
20190031310
2019-01-31

Outboard motor

#368
20190024517
2019-01-24

Stationary-blade-type rotating machine and method for assembling stationary-blade-type rotating machine

#369
20190010959
2019-01-10

Blower noise suppressor

#370
20190003392
2019-01-03

Thermal shield for gas turbine engine diffuser case

#371
20180372121
2018-12-27

Multi-stage centrifugal compressor

#372
20180369470
2018-12-27

Treatment fluid preparation system

#373
20180355890
2018-12-13

Diffuser restriction ring

#374
20180355886
2018-12-13

Discharge section structure for centrifugal compressor

#375
20180352676
2018-12-06

Thermal management components for electronic devices

#376
20180347382
2018-12-06

Centrifugal compressor and turbocharger

#377
20180335048
2018-11-22

Blower arrangement with flow dividing nozzle

#378
20180328634
2018-11-15

Turbo compressor having an inner passage for cooling the motor

#379
20180327987
2018-11-15

Debris blower system

#380
20180313361
2018-11-01

Housing for turbocharger and method for manufacturing the same

#381
20180291922
2018-10-11

Scroll casing and centrifugal compressor

#382
20180283393
2018-10-04

Centrifugal compressor

#383
20180266425
2018-09-20

Turbo air blower having waterproof and damp-proof functions

#384
20180258950
2018-09-13

Flow control structures for turbomachines and methods of designing the same

#385
20180258949
2018-09-13

Variable compressor

#386
20180258948
2018-09-13

Centrifugal blower assemblies having a plurality of airflow guidance fins and method of assembling the same

#387
20180252229
2018-09-06

HOUSING FOR TURBOCHARGER AND METHOD FOR MANUFACTURING THE SAME

#388
20180235417
2018-08-23

Air blowing device and vacuum cleaner

#389
20180231297
2018-08-16

Refrigerator

#390
20180231010
2018-08-16

Volute centrifugal fan with permanent-magnet brush-less motor system

#391
20180223871
2018-08-09

Compression device and supercharger

#392
20180223865
2018-08-09

Centrifugal fan

#393
20180216633
2018-08-02

Impeller back surface cooling structure and supercharger

#394
20180209440
2018-07-26

Centrifugal blower, air conditioning apparatus, and refrigerating cycle apparatus

#395
20180209429
2018-07-26

MOTOR AND AIR BLOWING APPARATUS INCLUDING THE SAME

#396
20180187694
2018-07-05

Centrifugal fan and ventilation fan

#397
20180180059
2018-06-28

Diffuser pipe with vortex generators

#398
20180172028
2018-06-21

Direct drive-type turbo blower cooling structure

#399
20180172021
2018-06-21

Radial compressor and turbocharger

#400
20180163747
2018-06-14

BLOWER AND VACUUM CLEANER

#401
20180160872
2018-06-14

BLOWER AND VACUUM CLEANER

#402
20180149170
2018-05-31

Scroll casing and centrifugal compressor

#403
20180149167
2018-05-31

Turbomachinery gasket and a turbomachinery provided with said gasket

#404
20180142699
2018-05-24

Compressor assembly for a turbocharger

#405
20180135651
2018-05-17

Centrifugal fan assembly including cooling vanes and a cooling plate

#406
20180112678
2018-04-26

AIR PURIFIER AND WIND TUNNEL THEREOF

#407
20180112677
2018-04-26

Centrifugal blower

#408
20180112670
2018-04-26

Fan assembly for exhausting matter from storage containers

#409
20180094647
2018-04-05

Compressor, exhaust gas turbocharger and internal combustion machine

#410
20180094641
2018-04-05

Intel nozzle for a radial fan

#411
20180073520
2018-03-15

CHARGING DEVICE

#412
20180070472
2018-03-08

Electronic device with cooling fan

#413
20180066573
2018-03-08

Turbocharger for a motor vehicle

#414
20180064509
2018-03-08

SELF-ILLUMINATION DENTAL HANDPIECE

#415
20180030998
2018-02-01

Diffuser, centrifugal compression power system and bladeless fan

#416
20180030994
2018-02-01

Ventilator wheel and ventilator

#417
20180021711
2018-01-25

Multi-station debris separation system

#418
20180017084
2018-01-18

Side-channel blower for an internal combustion engine, comprising a wide interrupting gap

#419
20180017073
2018-01-18

Centrifugal compressor casing and centrifugal compressor

#420
20180017069
2018-01-18

Side-channel blower for an internal combustion engine

#421
20180003382
2018-01-04

Furnace subassembly, furnace blower and associated method

#422
20180003191
2018-01-04

Compressor

#423
20180003133
2018-01-04

Compressor stage EGR injection

#424
20170370377
2017-12-28

Centrifugal-compressor casing and centrifugal compressor

#425
20170362947
2017-12-21

Service routing configuration for a gas turbine engine diffuser system

#426
20170350420
2017-12-07

Ported shroud geometry to reduce blade-pass noise

#427
20170350417
2017-12-07

VARIABLE AREA DIFFUSER

#428
20170350415
2017-12-07

Drainage device cover for air access

#429
20170342847
2017-11-30

Diffuser having shaped vanes

#430
20170342838
2017-11-30

Mixing ram and bleed air in a dual entry turbine system

#431
20170321722
2017-11-09

Air cycle machine fan and compressor housing

#432
20170314576
2017-11-02

METHOD FOR CREATING AN IMPELLER OF A RADIAL TURBO FLUID ENERGY MACHINE, AND STAGE

#433
20170314573
2017-11-02

Blower apparatus and vacuum cleaner

#434
20170311766
2017-11-02

Blower apparatus and vacuum cleaner

#435
20170309264
2017-10-26

Acoustic resonator assembly having variable degrees of freedom

#436
20170306979
2017-10-26

Centrifugal compressors with integrated intercooling

#437
20170298966
2017-10-19

Magnetically controlled valve and pump devices and methods of using the same

#438
20170298951
2017-10-19

COMPRESSOR

#439
20170288241
2017-10-05

Centrifugal compressor

#440
20170284413
2017-10-05

Centrifugal blower

#441
20170284407
2017-10-05

Automatic Inlet Swirl Device for Turbomachinery

#442
20170284404
2017-10-05

Motor cooling device and method

#443
20170261005
2017-09-14

Centrifugal blower and automobile provided with same

#444
20170261001
2017-09-14

CENTRIFUGAL COMPRESSOR

#445
20170254337
2017-09-07

Built-in air pump

#446
20170248157
2017-08-31

Multistage centrifugal pump with compression bulkheads

#447
20170248144
2017-08-31

Compact low noise efficient blower for CPAP devices

#448
20170241433
2017-08-24

CENTRIFUGAL TURBOMACHINE WITH TWO STAGES ARRANGED BACK-TO-BACK AND WITH AN ANNULAR TRANSFER DUCT BETWEEN THE STAGES

#449
20170241427
2017-08-24

SEAL MECHANISM AND ROTATING MACHINE

#450
20170224940
2017-08-10

Blower

#451
20170211595
2017-07-27

Extracting dry gas from a wet-gas compressor

#452
20170211587
2017-07-27

Compressor housing

#453
20170204874
2017-07-20

Outlet housing for cabin air compressor

#454
20170204867
2017-07-20

Weld repair for an air cycle machine compressor housing

#455
20170204866
2017-07-20

Variable speed pumping system with pressure independent control valves

#456
20170198720
2017-07-13

Centrifugal compressor with liquid injection

#457
20170198713
2017-07-13

Centrifugal compressor and turbocharger

#458
20170191496
2017-07-06

Compressor for an exhaust gas turbocharger

#459
20170191485
2017-07-06

Air-flow circuit for air flow through a bearing enclosure

#460
20170191480
2017-07-06

Multi-stage horizontal centrifugal pump for conveying a fluid and a method for repairing the same

#461
20170184121
2017-06-29

Method of manufacturing a compressor housing

#462
20170176053
2017-06-22

Hot gas bypass for two-stage compressor

#463
20170175765
2017-06-22

Elongated air jet device and method

#464
20170175747
2017-06-22

Fan unit

#465
20170174049
2017-06-22

DYNAMICALLY CONTROLLED VAPOR COMPRESSION COOLING SYSTEM WITH CENTRIFUGAL COMPRESSOR

#466
20170167500
2017-06-15

Blower wheel and power tool with an internal combustion engine and a blower wheel

#467
20170152864
2017-06-01

Fan module and electronic device

#468
20170152063
2017-06-01

Internal air pressure imbalance (IAPI) engine

#469
20170146027
2017-05-25

Blower fan cooling system

#470
20170130737
2017-05-11

ROTARY MACHINE

#471
20170126076
2017-05-04

Motor assembly and cleaner having same

#472
20170122332
2017-05-04

Downhole electrical submersible pump with upthrust balance

#473
20170114801
2017-04-27

Low-noise blower

#474
20170114794
2017-04-27

Diffuser pipe with vortex generators

#475
20170108005
2017-04-20

Housing for air cycle machine compressor

#476
20170096963
2017-04-06

Sandwich structure having hinge assemblies for accommodating differential in-plane expansion of face sheets

#477
20170096079
2017-04-06

Temperature conditioning unit, temperature conditioning system, and vehicle provided with temperature conditioning unit

#478
20170089350
2017-03-30

COMPRESSOR SYSTEM WITH GROOVED EXPANSION JOINT

#479
20170089347
2017-03-30

Vortex generator

#480
20170074291
2017-03-16

Turbocharger compressor noise reduction system and method

#481
20170058914
2017-03-02

Centrifugal fan

#482
20170051749
2017-02-23

Air blower and air conditioner having the same

#483
20170031394
2017-02-02

A HEAT-DISSIPATING DEVICE INCLUDING A VAPOR CHAMBER AND A RADIAL FIN ASSEMBLY

#484
20170030373
2017-02-02

Scroll for a turbomachine, turbomachine comprising the scroll, and method of operation

#485
20170030372
2017-02-02

FLUID-TRANSFER DEVICE AND METHOD FOR MANUFACTURING SAME

#486
20170016457
2017-01-19

Flow control structures for turbomachines and methods of designing the same

#487
20170008368
2017-01-12

Blower

#488
20170002826
2017-01-05

Turbocharger

#489
20160369811
2016-12-22

Centrifugal fan with dual outlets in the same direction and fan frame thereof

#490
20160367105
2016-12-22

Condition Reliant Control System for Modulating On Demand Pumping Volume, Wash Fluid Temperatures and Filter Conditions for Continuous Motion Washing Systems

#491
20160363129
2016-12-15

Compressor and turbocharger

#492
20160356288
2016-12-08

Fan inlet recirculation guide vanes

#493
20160355069
2016-12-08

Suction pulser intended for a heating, ventilation and/or air-conditioning device of a motor vehicle

#494
20160348698
2016-12-01

Turbocharger compressor noise reduction system and method

#495
20160348684
2016-12-01

Angular velocity stepping and methods of use in turbomachinery

#496
20160341219
2016-11-24

Single-phase Motor, Airflow Generating Device, And Electric Apparatus

#497
20160327050
2016-11-10

DIAPHRAGM AND CENTRIFUGAL ROTATING MACHINE

#498
20160319833
2016-11-03

Centrifugal compressor impeller with non-linear leading edge and associated design method

#499
20160317766
2016-11-03

Fan unit with improved surge characteristics

#500
20160305438
2016-10-20

FLUID APPARATUS

#501
20160298645
2016-10-13

Vacuum pump component, siegbahn type exhaust mechanism and compound vacuum pump

#502
20160296088
2016-10-13

Vacuum device for collecting light and heavy material

#503
20160290348
2016-10-06

Mixed flow fan assembly

#504
20160281741
2016-09-29

Heat shield for pressure casing

#505
20160281734
2016-09-29

Turbomachine diffuser

#506
20160273553
2016-09-22

Centrifugal compressor and water chilling unit having the same

#507
20160273551
2016-09-22

Turbocharger

#508
20160273548
2016-09-22

Turbocharger

#509
20160265549
2016-09-15

COMPRESSOR ASSEMBLY HAVING DYNAMIC DIFFUSER RING RETENTION

#510
20160265373
2016-09-15

Compressor assembly having a diffuser ring with tabs

#511
20160258485
2016-09-08

Bearing structure and air blower

#512
20160258447
2016-09-08

NOISE ATTENUATION DEVICE FOR COMPRESSOR INLET DUCT

#513
20160258444
2016-09-08

Water Pump

#514
20160245304
2016-08-25

Compressor housing for supercharger

#515
20160238027
2016-08-18

Scroll for air conditioner and air conditioner having the same

#516
20160238019
2016-08-18

GAS PIPELINE CENTRIFUGAL COMPRESSOR AND GAS PIPELINE

#517
20160230778
2016-08-11

Acoustic resonator assembly having variable degrees of freedom

#518
20160230775
2016-08-11

Compressor

#519
20160222980
2016-08-04

Liquid tolerant impeller for centrifugal compressors

#520
20160222979
2016-08-04

Furnace blower assembly with a diverter

#521
20160219760
2016-07-28

Fan tray perforation pattern

#522
20160215791
2016-07-28

Compressor diffuser and shroud for a motor driven compressor

#523
20160215790
2016-07-28

Compressor diffuser and shroud for a motor driven compressor

#524
20160215782
2016-07-28

Bladeless cooling light

#525
20160208814
2016-07-21

Adapter structure for ventilating fan

#526
20160201691
2016-07-14

Suction device with sound mirror device

#527
20160201687
2016-07-14

Multistage centrifugal compressor

#528
20160201686
2016-07-14

RADIAL COMPRESSOR IMPELLER INCLUDING A SHROUD AND AERODYNAMIC BEARING BETWEEN SHROUD AND HOUSING

#529
20160195109
2016-07-07

Attachment arrangement for turbo compressor

#530
20160195107
2016-07-07

Diffuser for a forward-swept tangential flow compressor

#531
20160195100
2016-07-07

Device for generating a dynamic axial thrust to balance the overall axial thrust of a radial rotating machine

#532
20160186770
2016-06-30

Method of manufacturing centrifugal fan

#533
20160186586
2016-06-30

First stage turbine nozzle with erosion coating surface finish

#534
20160177973
2016-06-23

Fan including at least one cover element

#535
20160177970
2016-06-23

Blower

#536
20160177965
2016-06-23

Compressor assembly for turbocharger burst containment

#537
20160177897
2016-06-23

SUPERCHARGER FOR ENGINE

#538
20160143188
2016-05-19

Heat dissipating module

#539
20160138608
2016-05-19

Centrifugal compressor and turbocharger

#540
20160131154
2016-05-12

Centrifugal compressor with inlet duct having swirl generators

#541
20160131148
2016-05-12

Centrifugal compressor and turbocharger

#542
20160123345
2016-05-05

COMPRESSOR IMPELLERS

#543
20160108928
2016-04-21

Centrifugal fan and air conditioner having the same

#544
20160108921
2016-04-21

Centrifugal compressor and turbocharger

#545
20160108920
2016-04-21

CENTRIFUGAL COMPRESSOR

#546
20160102675
2016-04-14

Efficient vacuum cleaner fan inlet

#547
20160101947
2016-04-14

Compact centrifugal air blowers for air cushion supported cargo loading platform

#548
20160097297
2016-04-07

COMPRESSOR AND TURBOCHARGER

#549
20160090993
2016-03-31

Centrifugal air blower

#550
20160084263
2016-03-24

Centrifugal compressor and turbocharger

#551
20160076554
2016-03-17

Backing plate

#552
20160076553
2016-03-17

Centrifugal compressor and turbocharger

#553
20160047386
2016-02-18

Single suction centrifugal blower

#554
20160047324
2016-02-18

Supercharged internal combustion engine with exhaust-gas turbocharger and method for operating an internal combustion engine of said type

#555
20160032932
2016-02-04

System and method for detecting stall or surge in radial compressors

#556
20160017888
2016-01-21

Centrifugal fluid machine

#557
20160010659
2016-01-14

VACUUM GENERATOR FLOW DIVERTER

#558
20160003259
2016-01-07

Turbocharger

#559
20150377249
2015-12-31

Diffuser and method of operating diffuser

#560
20150377240
2015-12-31

TURBOCHARGER HAVING VANED COMPRESSOR INLET RECIRCULATION PASSAGE

#561
20150369254
2015-12-24

Turbocharger compressor noise reduction system and method

#562
20150369073
2015-12-24

Flow control structures for turbomachines and methods of designing the same

#563
20150361990
2015-12-17

Flow machine, and flow guiding element for a flow machine

#564
20150354591
2015-12-10

Centrifugal compressor

#565
20150354588
2015-12-10

CENTRIFUGAL COMPRESSOR

#566
20150354584
2015-12-10

CENTRIFUGAL FAN

#567
20150354461
2015-12-10

Engine systems and methods for removing particles from turbine air

#568
20150345833
2015-12-03

Economizer injection assembly and method

#569
20150345515
2015-12-03

TURBOCHARGER

#570
20150337862
2015-11-26

Structure for reducing noise of ventilating fan

#571
20150337857
2015-11-26

Fan device

#572
20150337856
2015-11-26

ELECTRIC BLOWER

#573
20150337780
2015-11-26

Fluid machine and fluid machine system equipped with the same

#574
20150330404
2015-11-19

LARGE COMPRESSOR BUNDLE ASSEMBLY

#575
20150316071
2015-11-05

CENTRIFUGAL GAS COMPRESSOR OR PUMP COMPRISING A TOOTHED RING AND A COWL

#576
20150316070
2015-11-05

Quieter centrifugal blower with suppressed BPF tone

#577
20150308453
2015-10-29

Centrifugal rotation machine

#578
20150308452
2015-10-29

Centrifugal fan

#579
20150300369
2015-10-22

Centrifugal compressor with twisted return channel vane

#580
20150300367
2015-10-22

CENTRIFUGAL FAN

#581
20150285525
2015-10-08

Air conditioner

#582
20150285269
2015-10-08

Air diffuser for vacuum fan of planters

#583
20150285254
2015-10-08

Barrel-type multistage pump

#584
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Method to reduce entrance losses to increase fan inlet flow and reduce acoustic noise

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Blower housing

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Centrifugal compressor diffuser and method for controlling same

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Shroud treatment for a centrifugal compressor

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Air pump capable of automatic air supplements

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Centrifugal compressor

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Centrifugal ceiling fan

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Multi-blade centrifugal fan and air conditioner employing the same

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Fan motor assembly and vacuum cleaner having the same

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Rotary machine

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Centrifugal blower assembly and method for assembling the same

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Blower

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Compressor for supercharger of internal combustion engine

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Centrifugal fan