ClassID:

144303

F04D29/442 - 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 rotating diffusers

Recent Application in this class:
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SYSTEM AND METHOD FOR OPERATION OF VARIABLE GEOMETRY DIFFUSER AS CHECK VALVE

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Straddled vehicle

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20220154721
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20220128065
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Blowing device and combustion device including same

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20220049717
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Mixed-flow compressor with counter-rotating diffuser

#10
20210123444
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Mixed-flow compressor configuration for a refrigeration system

#11
20200256352
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Rotating diffuser in centrifugal compressor

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20200079499
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Fluidic actuator for airfoil

#13
20190162188
2019-05-30

Gas turbine engines and compression systems therefor

#14
20190107111
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Centrifugal compressor with recirculation structure

#15
20190101131
2019-04-04

Centrifugal blower, air conditioner, and refrigeration cycle apparatus

#16
20180291923
2018-10-11

Apparatus for transferring energy between a rotating element and fluid

#17
20180291922
2018-10-11

Scroll casing and centrifugal compressor

#18
20180209432
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Clip fan

#19
20180080470
2018-03-22

Inlet guide vane and centrifugal compressor

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20170254344
2017-09-07

Centrifugal compressor

#21
20170248154
2017-08-31

CENTRIFUGAL COMPRESSOR

#22
20170074280
2017-03-16

Counter-rotating compressor

#23
20160290345
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Motor-compressor with stage impellers integrated in the motor-rotors

#24
20160281731
2016-09-29

Centrifugal fan

#25
20160245159
2016-08-25

Exhaust gas-turbocharged internal combustion engine comprising a radial compressor with guide device arranged in the diffuser, and method for operating an internal combustion engine of said type

#26
20160230775
2016-08-11

Compressor

#27
20160010653
2016-01-14

Shaftless fan structure

#28
20150377251
2015-12-31

Apparatus for transferring energy between a rotating element and fluid

#29
20150377250
2015-12-31

Inlet guide vane mechanism

#30
20130219893
2013-08-29

Centrifugal compressor

#31
20120141263
2012-06-07

Compressor unit

#32
20110020109
2011-01-27

Peripheral tunnels propeller

#33
20100303617
2010-12-02

Powerless diversion plate of a ceiling air-conditioning circulation machine

#34
20090274547
2009-11-05

Rotating unit for an axial-flow compressor

#35
20070068135
2007-03-29

Engine

#36
20060228212
2006-10-12

Radial fan wheel, fan unit and radial fan arrangement

#37
18409441
2024-10-29

Axially nested compressors