ClassID:

144309

F04D29/462 - 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

Sub-classes:
Recent Application in this class:
#1
20260117792
2026-04-30

VARIABLE INLET GUIDE VANE APPARATUS

#2
20260098537
2026-04-09

COMPRESSOR WITH OPTIMIZED INTERSTAGE FLOW INLET

#3
20260069005
2026-03-12

INTEGRATED PATIO UMBRELLA FAN AND SYSTEM

#4
20260055772
2026-02-26

CENTRIFUGAL COMPRESSOR, REFRIGERATION HEAT PUMP UNIT

#5
20260043418
2026-02-12

ROTATION DEVICE

#6
20260016024
2026-01-15

LINE-CONTROLLED AIR PUMP FOR MULTI-CHAMBER INFLATABLE PRODUCTS AND CONTROL METHOD THEREOF

#7
20250257738
2025-08-14

HOUSEHOLD APPLIANCE HAVING AN IMPROVED FAN AND MOTOR ASSEMBLY AND FAN AND MOTOR ASSEMBLY FOR SAME

#8
20250237221
2025-07-24

COMPRESSOR WITH ELECTRIC MOTOR

#9
20250180039
2025-06-05

DEVICE FOR CHANGING A PUMP UNIT OF A CENTRIFUGAL PUMP AND CENTRIFUGAL PUMP

#10
20250075707
2025-03-06

TURBOPUMP CAPABLE OF BALANCING AXIAL THRUST

#11
20250052172
2025-02-13

Fan assembly for an engine having redundant trunnion retention

#12
20250012294
2025-01-09

TURBO MACHINE AND METHOD FOR MANUFACTURING

#13
20240401608
2024-12-05

VARIABLE INLET GUIDE VANE APPARATUS AND COMPRESSOR INCLUDING SAME

#14
20240318659
2024-09-26

VARIABLE INLET GUIDE VANE APPARATUS COMBINED WITH COMPRESSOR END CAP

#15
20240125331
2024-04-18

Biased passages for turbomachinery

#16
20240102691
2024-03-28

Blower

#17
20240026890
2024-01-25

Blower having a movable air flow converter

#18
20240003289
2024-01-04

Centrifugal compressor and turbocharger

#19
20230417256
2023-12-28

Variable geometry shrouded compressor/blower rotor design

#20
20230404281
2023-12-21

Inflating pump

#21
20230366412
2023-11-16

FAN DRIP-PROOF STRUCTURE

#22
20230332619
2023-10-19

Two piece split scroll for centrifugal compressor

#23
20230332609
2023-10-19

Mobile climate control assembly and method of use

#24
20230304508
2023-09-28

Variable inlet guide vane apparatus and compressor including same

#25
20230130511
2023-04-27

Interstage capacity control valve with side stream flow distribution and flow regulation for multi-stage centrifugal compressors

#26
20230122270
2023-04-20

Blower

#27
20230098664
2023-03-30

HOUSEHOLD APPLIANCE HAVING AN IMPROVED FAN AND MOTOR ASSEMBLY AND FAN AND MOTOR ASSEMBLY FOR SAME

#28
20230088798
2023-03-23

BLOWER

#29
20230071183
2023-03-09

Blower having a movable air flow converter

#30
20230057749
2023-02-23

Compressor including aerodynamic swirl between inlet guide vanes and impeller blades

#31
20230024289
2023-01-26

Centrifugal compressor and method of operating the same

#32
20220397054
2022-12-15

Turbo compressor assembly

#33
20220389937
2022-12-08

Inlet guide vane actuator assembly

#34
20220333602
2022-10-20

COMPRESSOR WITH OPTIMIZED INTERSTAGE FLOW INLET

#35
20220307510
2022-09-29

Centrifugal compressor

#36
20220243739
2022-08-04

Compact, high-efficiency air handling unit for residential HVAC systems

#37
20220186631
2022-06-16

Rotary machine

#38
20220178377
2022-06-09

CENTRIFUGAL COMPRESSOR AND TURBOCHARGER

#39
20220163040
2022-05-26

Mobile climate control assembly and method of use

#40
20220154721
2022-05-19

Centrifugal compressor with recirculation structure

#41
20220136527
2022-05-05

MOTORIZED FAN UNIT FOR A MOTOR VEHICLE

#42
20220099107
2022-03-31

Centrifugal compressor

#43
20220071106
2022-03-10

Systems and methods of improved plant cultivation and elongate airflow assembly for the same

#44
20220056915
2022-02-24

Interstage capacity control valve with side stream flow distribution and flow regulation for multi-stage centrifugal compressors

#45
20220049618
2022-02-17

Distributor for a turbomachine radial turbine, turbomachine comprising such a distributor and air conditioning system comprising such a turbomachine

#46
20220023788
2022-01-27

Mixed flow fan module and portable air purifier with mixed flow fan module

#47
20210310499
2021-10-07

Continuous variable trim compressor

#48
20210164493
2021-06-03

Centrifugal compressor and method of operating the same

#49
20210164490
2021-06-03

Two piece split scroll for centrifugal compressor

#50
20210144883
2021-05-13

Systems and methods for redirection of airflow in an information handling system after an air mover fault

#51
20210131446
2021-05-06

Rotating device

#52
20210102552
2021-04-08

Axi-centrifugal compressor with variable outlet guide vanes

#53
20210095695
2021-04-01

Blade adjustment mechanism and air circulator

#54
20210088054
2021-03-25

Throttle mechanism for centrifugal compressor and turbocharger

#55
20210062825
2021-03-04

Blade adjustment mechanism and air circulator

#56
20200408222
2020-12-31

Biased passages for turbomachinery

#57
20200291950
2020-09-17

Blowing device

#58
20200208570
2020-07-02

COMPRESSOR FOR A CHARGING DEVICE OF AN INTERNAL COMBUSTION ENGINE, AND CHARGING DEVICE FOR AN INTERNAL COMBUSTION ENGINE

#59
20200120881
2020-04-23

Stand-on blower

#60
20200109719
2020-04-09

Centrifugal compressor

#61
20200072499
2020-03-05

Heating blower and heating device

#62
20200011232
2020-01-09

Method for operating an internal combustion engine and the internal combustion engine

#63
20200011230
2020-01-09

METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE, AN INTERNAL COMBUSTION ENGINE AND A MOTOR VEHICLE

#64
20190376711
2019-12-12

Air cleaner

#65
20190345839
2019-11-14

Variable diffuser having a respective penny for each vane

#66
20190338699
2019-11-07

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

#67
20190309763
2019-10-10

Control method of a compressor mechanically coupled to a turbine

#68
20190271329
2019-09-05

Turbocharger compressor having adjustable trim mechanism including swirl inducers

#69
20190264710
2019-08-29

Turbocharger compressor having adjustable trim mechanism including vortex reducers

#70
20190264604
2019-08-29

Turbocharger compressor having adjustable-trim mechanism

#71
20190249687
2019-08-15

Diffuser for a centrifugal compressor and centrifugal compressor having the same

#72
20190178259
2019-06-13

VARIABLE RETURN CHANNEL VANES TO EXTEND THE OPERATING FLOW RANGE OF A VAPOR CYCLE CENTRIFUGAL COMPRESSOR

#73
20190178255
2019-06-13

VAPOR CYCLE COMPRESSOR WITH VARIABLE INLET/OUTLET GEOMETRY

#74
20190162200
2019-05-30

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

#75
20190136755
2019-05-09

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

#76
20190128281
2019-05-02

Blower fan

#77
20190107111
2019-04-11

Centrifugal compressor with recirculation structure

#78
20190101133
2019-04-04

Centrifugal compressor

#79
20190101052
2019-04-04

VARIABLE TURBINE AND/OR COMPRESSOR GEOMETRY FOR AN EXHAUST GAS TURBOCHARGER

#80
20190078587
2019-03-14

Systems and method for a variable inlet device of a compressor

#81
20190078586
2019-03-14

Systems and method for a variable inlet device of a compressor

#82
20190072109
2019-03-07

Centrifugal blower assembly and method for assembling the same

#83
20190048876
2019-02-14

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

#84
20190040875
2019-02-07

INLET GUIDE VANE ASSEMBLY

#85
20190040865
2019-02-07

Active surge control in centrifugal compressors using microjet injection

#86
20190024528
2019-01-24

Compressor train start-up using variable inlet guide vanes

#87
20190024517
2019-01-24

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

#88
20180356129
2018-12-13

CENTRIFUGAL REFRIGERANT VAPOUR COMPRESSORS

#89
20180355889
2018-12-13

Turbocharger

#90
20180347588
2018-12-06

Centrifugal compressor

#91
20180340549
2018-11-29

Variable diffuser with axially translating end wall for a centrifugal compressor

#92
20180291931
2018-10-11

Compressor Comprising A Guide Vane Having A Washing System

#93
20180291923
2018-10-11

Apparatus for transferring energy between a rotating element and fluid

#94
20180274554
2018-09-27

Compressor

#95
20180273167
2018-09-27

Rotorcraft anti-torque and directional control using a centrifugal blower

#96
20180258949
2018-09-13

Variable compressor

#97
20180231022
2018-08-16

Air conditioner

#98
20180209432
2018-07-26

Clip fan

#99
20180163736
2018-06-14

SYSTEMS AND METHODS FOR OPERATING A COMPRESSION SYSTEM

#100
20180163735
2018-06-14

Variable vane apparatus

#101
20180135655
2018-05-17

Adjustable fan damping apparatus for exerciser

#102
20180080470
2018-03-22

Inlet guide vane and centrifugal compressor

#103
20180023590
2018-01-25

Multi-directional cooling fan

#104
20180023586
2018-01-25

Device for controlling the flow in a turbomachine, turbomachine and method

#105
20180010611
2018-01-11

Compressor control system and method

#106
20170356301
2017-12-14

Variable geometry assembly for a turbomachine and turbomachine comprising said assembly

#107
20170350416
2017-12-07

FAN ASSEMBLY

#108
20170342997
2017-11-30

COMPRESSOR AND TURBOCHARGER

#109
20170335711
2017-11-23

Inlet door state control system

#110
20170306972
2017-10-26

Centrifugal compressor

#111
20170306786
2017-10-26

Environmental control system utilizing a motor assist and an enhanced compressor

#112
20170305559
2017-10-26

ENVIRONMENTAL CONTROL SYSTEM UTILIZING ENHANCED COMPRESSOR

#113
20170298953
2017-10-19

Adjustable-trim centrifugal compressor for a turbocharger

#114
20170260987
2017-09-14

CENTRIFUGAL COMPRESSOR WITH CASING TREATMENT BYPASS

#115
20170248346
2017-08-31

Centrifugal refrigerant vapour compressors

#116
20170248339
2017-08-31

Air cleaner

#117
20170248156
2017-08-31

Axi-centrifugal compressor with variable outlet guide vanes

#118
20170227013
2017-08-10

Methods and system for a turbocharger

#119
20170204874
2017-07-20

Outlet housing for cabin air compressor

#120
20170198705
2017-07-13

Multi-stage compression system, control device, control method, and program

#121
20170198704
2017-07-13

Multi-stage compressor system, control device, malfunction determination method, and program

#122
20170152861
2017-06-01

Biased passages for turbomachinery

#123
20170152860
2017-06-01

COMPRESSOR INLET GUIDE VANES

#124
20170152063
2017-06-01

Internal air pressure imbalance (IAPI) engine

#125
20170138366
2017-05-18

Internal hot gas bypass device coupled with inlet guide vane for centrifugal compressor

#126
20170114731
2017-04-27

Combustion engine air intake system for motorcycle

#127
20170023011
2017-01-26

Turbomachine assembly

#128
20170016343
2017-01-19

Variable turbine or compressor geometry for an exhaust gas turbocharger

#129
20170013973
2017-01-19

Merchandiser with airflow divider

#130
20160376021
2016-12-29

Auxiliary power unit with intercooler

#131
20160348575
2016-12-01

Variable turbine and/or compressor geometry for an exhaust-gas turbocharger

#132
20160319839
2016-11-03

Centrifugal compressor and centrifugal unit having the same

#133
20160281736
2016-09-29

MOVEABLE INLET GUIDE VANES

#134
20160281735
2016-09-29

Centrifugal compressor and centrifugal water chilling unit

#135
20160281729
2016-09-29

Balance piston seal centering

#136
20160273549
2016-09-22

CENTRIFUGAL COMPRESSOR ASSEMBLY AND METHOD

#137
20160230775
2016-08-11

Compressor

#138
20160222981
2016-08-04

Multistage centrifugal compressor

#139
20160208809
2016-07-21

Compressor including flow control insert and electromagnetic actuator

#140
20160208808
2016-07-21

Regulator assembly and centrifugal compressor

#141
20160195006
2016-07-07

Variable turbine geometry turbocharger vane ring assembly retention device

#142
20160146099
2016-05-26

Adjustable-trim centrifugal compressor, and turbocharger having same

#143
20160131145
2016-05-12

Adjustable-trim centrifugal compressor with ported shroud, and turbocharger having same

#144
20160123347
2016-05-05

Linkage to actuate inlet guide vanes

#145
20160123334
2016-05-05

Variable turbine geometry turbocharger vane pack retainer

#146
20160115966
2016-04-28

GUIDE VANE RING FOR A TURBOMACHINE AND TURBOMACHINE

#147
20160084264
2016-03-24

Variable diffuser vane

#148
20160076439
2016-03-17

Variable turbine and/or compressor geometry for an exhaust gas turbocharger

#149
20160061210
2016-03-03

Turbo compressor and turbo chiller using same

#150
20160047392
2016-02-18

METHODS AND SYSTEMS FOR CONTROLLING TURBOCOMPRESSORS

#151
20150377252
2015-12-31

Apparatus for transferring energy between a rotating element and fluid

#152
20150377251
2015-12-31

Apparatus for transferring energy between a rotating element and fluid

#153
20150377250
2015-12-31

Inlet guide vane mechanism

#154
20150377242
2015-12-31

Blower and air conditioner using same

#155
20150361820
2015-12-17

Single bolting flange arrangement for variable guide vane connection

#156
20150354599
2015-12-10

Compressor unit with a variable aerodynamic profile

#157
20150345507
2015-12-03

Compressor and turbo chiller

#158
20150345506
2015-12-03

Cover plate for cabin air compressor

#159
20150337860
2015-11-26

Composite cooling fan

#160
20150322965
2015-11-12

Centrifugal compressor

#161
20150275916
2015-10-01

Compressor variable vane assembly

#162
20150275908
2015-10-01

Centrifugal compressor inlet guide vane control

#163
20150192133
2015-07-09

Centrifugal compressor

#164
20150176600
2015-06-25

RETRACTABLE VANE DIFFUSER FOR COMPRESSORS

#165
20150167490
2015-06-18

Variable pitch guide vane made of composite materials

#166
20150159668
2015-06-11

Turbo compressor and turbo refrigerator

#167
20150125274
2015-05-07

Inlet guide vane device

#168
20150107289
2015-04-23

HIGH PRESSURE RATIO MULTI-STAGE CENTRIFUGAL COMPRESSOR

#169
20150064031
2015-03-05

Exhaust gas turbocharger with turbine

#170
20150063989
2015-03-05

COMPRESSOR OF TURBOCHARGER

#171
20150010383
2015-01-08

Centrifugal compressor diffuser control

#172
20140356138
2014-12-04

Variable-speed multi-stage refrigerant centrifugal compressor with diffusers

#173
20140341706
2014-11-20

Supersonic compressor with structural arrangement to increase pressure energy in a discharge process fluid received from a centrifugal impeller

#174
20140301830
2014-10-09

Cabin air compressor diffuser vane drive ring

#175
20140248134
2014-09-04

Fluid energy machine, in particular for an exhaust gas turbocharger of an automobile

#176
20140234083
2014-08-21

Actuator sealing system and method

#177
20140119890
2014-05-01

Turbo-compressor

#178
20140093396
2014-04-03

Gas compressor control system preventing vibration damage

#179
20140064934
2014-03-06

DIFFUSER VANE FOR A COMPRESSOR DEVICE AND DIFFUSER ASSEMBLY COMPRISED THEREOF

#180
20140064933
2014-03-06

DIFFUSER ASSEMBLY COMPRISING DIFFUSER VANES PIVOTING ABOUT THE LEADING EDGE

#181
20140064921
2014-03-06

SYSTEM AND METHOD TO ALIGN VARIABLE DIFFUSER VANE WITH DIRECTION OF FLOW OF WORKING FLUID

#182
20140064920
2014-03-06

SYSTEM AND METHOD TO IMPROVE PERFORMANCE OF A COMPRESSOR DEVICE COMPRISING VARIABLE DIFFUSER VANES

#183
20140026993
2014-01-30

CABIN AIR COMPRESSOR HEAT HOUSING

#184
20140017069
2014-01-16

Fan assembly

#185
20140003930
2014-01-02

Centrifugal compressor

#186
20130287542
2013-10-31

Twisted variable inlet guide vane

#187
20130272864
2013-10-17

Centrifugal compressor

#188
20130236295
2013-09-12

Compact IGV for turboexpander application

#189
20130202444
2013-08-08

Blade cascade and turbomachine

#190
20130064682
2013-03-14

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

#191
20130034425
2013-02-07

METHOD FOR ADAPTING THE AIR FLOW OF A TURBINE ENGINE HAVING A CENTRIFUGAL COMPRESSOR AND DIFFUSER FOR IMPLEMENTING SAME

#192
20130000315
2013-01-03

Apparatus and method for reducing air mass flow for extended range low emissions combustion for single shaft gas turbines

#193
20120304641
2012-12-06

Control apparatus for internal combustion engine equipped with turbocharger

#194
20120263586
2012-10-18

Inlet guide vane for a compressor

#195
20120230817
2012-09-13

Centrifugal compressor and turbocharger

#196
20120219431
2012-08-30

Centrifugal compressor part load control algorithm for improved performance

#197
20120201701
2012-08-09

CENTRIFUGAL COMPRESSOR HAVING VARIABLE GEOMETRY DIFFUSER AND METHOD THEREOF

#198
20120171056
2012-07-05

Motorcompressor unit with variable aerodynamic profile

#199
20120171020
2012-07-05

Variable geometry vane system for gas turbine engines

#200
20120134784
2012-05-31

Mechanism for modulating diffuser vane of diffuser

#201
20120121403
2012-05-17

Removable throat mounted inlet guide vane

#202
20120114465
2012-05-10

Compressor shroud having a retention cover channel for receiving a retention cover

#203
20120114463
2012-05-10

MOTOR DRIVEN CABIN AIR COMPRESSOR WITH VARIABLE DIFFUSER

#204
20120111002
2012-05-10

Centrifugal compressor and turbo supercharger

#205
20120107101
2012-05-03

Drive ring bearing for compressor diffuser assembly

#206
20120051891
2012-03-01

Centering device and system for driving ring

#207
20120034071
2012-02-09

Diffuser apparatus, centrifugal compressor, and turbo supercharger

#208
20120023938
2012-02-02

VARIABLE CAPACITY SUPERCHARGER FOR INTERNAL COMBUSTION ENGINE

#209
20120020776
2012-01-26

VARIABLE DIFFUSER ACTUATION LINKAGE FOR A CABIN AIR COMPRESSOR

#210
20110318182
2011-12-29

GAS COMPRESSOR AND METHOD FOR CONTROLLING FLOW RATE THEREOF

#211
20110296895
2011-12-08

MANUFACTURING METHOD FOR NOZZLE VANE

#212
20110250049
2011-10-13

Airflow from a blower with one or more adjustable guide vanes that are affixed to the blower at one or more pivot points located in an outlet of the blower

#213
20110250048
2011-10-13

Airflow from a blower with one or more adjustable guide vanes that are affixed to the blower at one or more pivot points located in an outlet of the blower

#214
20110250047
2011-10-13

Airflow from a blower with one or more adjustable guide vanes that are affixed to the blower at one or more pivot points located in an outlet of the blower

#215
20110194904
2011-08-11

Controlled Inlet of Compressor for Pneumatic Conveying System

#216
20110135441
2011-06-09

Compressor performance adjustment system

#217
20110048046
2011-03-03

Compressor control system using a variable geometry diffuser

#218
20100329898
2010-12-30

COMPRESSOR INLET GUIDE VANE CONTROL

#219
20100329851
2010-12-30

Inlet Guide Vane for a Gas Compressor

#220
20100290895
2010-11-18

Supercharger device

#221
20100247287
2010-09-30

Nozzle adjusting mechanism and method

#222
20100172745
2010-07-08

CENTRIFUGAL COMPRESSOR HAVING ADJUSTABLE INLET GUIDE VANES

#223
20100166539
2010-07-01

Centrifugal compressor

#224
20100150701
2010-06-17

VARIABLE GEOMETRY TURBOCHARGER

#225
20100129204
2010-05-27

Variable diffuser and compressor

#226
20100089549
2010-04-15

Exhaust device

#227
20100080694
2010-04-01

Variable geometry turbocharger

#228
20100054923
2010-03-04

Compact drive for compressor variable diffuser

#229
20090324392
2009-12-31

Fresh gas system swirl generator

#230
20090301085
2009-12-10

Turbocharger for an internal combustion engine

#231
20090208331
2009-08-20

Centrifugal compressor assembly and method

#232
20090196745
2009-08-06

Inlet guide vane, compressor and refrigerator

#233
20090196741
2009-08-06

Turbo compressor and refrigerator

#234
20090180858
2009-07-16

Method to prevent brinelling wear of slot and pin assembly

#235
20090155058
2009-06-18

Variable geometry compressor module

#236
20090104024
2009-04-23

Air intake for a turbocharger for an internal combustion engine

#237
20090022580
2009-01-22

Variable geometry turbocharger, vane ring assembly with retaining member

#238
20090016875
2009-01-15

Variable geometry nozzle device

#239
20080276613
2008-11-13

DISCRETE VARIABLE GEOMETRY COMPRESSOR

#240
20080152478
2008-06-26

Rotor mechanism of centrifugal compressor

#241
20080118349
2008-05-22

Variable geometry compressor

#242
20080115527
2008-05-22

High capacity chiller compressor

#243
20080056905
2008-03-06

Erosion-protective coatings on polymer-matrix composites and components incorporating such coated composites

#244
20070286716
2007-12-13

Variable nozzle device

#245
20070231125
2007-10-04

Preswirl guide device

#246
20070207030
2007-09-06

Variable nozzle device

#247
20070172348
2007-07-26

Adjustable guide device

#248
20070166149
2007-07-19

Vane system equipped with a guiding mechanism for centrifugal compressor

#249
20070154302
2007-07-05

Geared inlet guide vane for a centrifugal compressor

#250
20070137243
2007-06-21

APPARATUS FOR REDIRECTING WIND AND AIR CONDITIONER HAVING THE SAME

#251
20070065280
2007-03-22

Blowing mechanism for column type electric fan

#252
20060179839
2006-08-17

Axial loading management in turbomachinery

#253
20060081367
2006-04-20

Heat dissipation module and flow direction controlling structure thereof

#254
20060062666
2006-03-23

Variable area diffuser

#255
20060062665
2006-03-23

Variable area diffuser vane geometry

#256
20060042588
2006-03-02

Swirl generator for a radial compressor

#257
20050207885
2005-09-22

Compressor, particularly in an exhaust gas turbocharger for an internal combustion engine

#258
20050123397
2005-06-09

Compressor diffuser

#259
20050123394
2005-06-09

Compressor diffuser

#260
20050056016
2005-03-17

Variable exhaust gas turbocharger

#261
20050002782
2005-01-06

Compressor

#262
19293033
2026-02-10

Dual-duct air pump

#263
19063198
2025-10-07

Ventilation fan device

#264
19006424
2026-01-13

Line-controlled air pump for multi-chamber inflatable products and control method thereof

#265
14593145
2015-11-17

Turbocharger compressor active diffuser