Patents-Review.com
ClassID:

144065 ⎘

F04D17/125 - CPC Classification

Classification description:

Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps; Centrifugal pumps for compressing or evacuating; Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors the casing being vertically split

Recent Application in this class:
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20220220973
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Integrated motor-compressor with a stand-alone motor and bundle

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20210285461
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20210239128
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Single suction centrifugal blower

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20200331063
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Turbomachine inner housing

 #10
20190048895
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Centrifugal compressor without external drainage system, motorcompressor and method of avoiding external drainage in a compressor

 #11
20180372121
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Multi-stage centrifugal compressor

 #12
20180306194
2018-10-25

Fixing bolt for stationary member, and centrifugal compressor

 #13
20180283385
2018-10-04

Method for manufacturing a fluid device in which flanges are fastened together

 #14
20180274388
2018-09-27

Oil seal structure and compressing apparatus including the same

 #15
20180223854
2018-08-09

Fluid processing machines and fluid production systems

 #16
20180030992
2018-02-01

CENTRIFUGAL COMPRESSOR AND GEARED CENTRIFUGAL COMPRESSOR

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20180010615
2018-01-11

Centrifugal compressor bundle and centrifugal compressor

 #18
20170350418
2017-12-07

Inserting and removing device for compressor, and method of inserting and removing bundle

 #19
20160339193
2016-11-24

Multiple stage blowers and volutes therefor

 #20
20160333885
2016-11-17

Multiple stage blowers and volutes therefor

 #21
20160003263
2016-01-07

Method for assembling compressor, and bundle guide device

 #22
20150369249
2015-12-24

Compressor

 #23
20150316064
2015-11-05

Multistage compressor and method for operating a multistage compressor

 #24
20150300366
2015-10-22

Universal housing for a centrifugal gas compressor

 #25
20150285254
2015-10-08

Barrel-type multistage pump

 #26
20150285242
2015-10-08

Controlling a gas compressor having multiple magnetic bearings

 #27
20150007435
2015-01-08

Bundle guiding device of compressor and bundle guiding method of compressor

 #28
20140178183
2014-06-26

Rotation mechanism and internal unit of rotation mechanism

 #29
20130266440
2013-10-10

Compressor, assembling and disassembling device therefor, and assembling and disassembling method therefor

 #30
20130259665
2013-10-03

Compressor

 #31
20130058769
2013-03-07

Compressor end head heating arrangement

 #32
20120171014
2012-07-05

Barrel-type multistage pump

 #33
20100322765
2010-12-23

Turbo engine with improved compensating piston gasket

 #34
20100270308
2010-10-28

End wall closure apparatus

 #35
20090288291
2009-11-26

Device for the lateral fitting and removal of a compressor barrel

 #36
20080095634
2008-04-24

MULTI-STAGE TURBINE USING STEEL AND ALUMINUM BLADES

 #37
20070231164
2007-10-04

FUEL CELL COMPRESSOR SYSTEM

 #38
20070183892
2007-08-09

Multi-segment compressor casing assembly

 #39
20070110569
2007-05-17

Multistage centrifugal compressor having a tank which can be opened horizontally

 #40
20050103339
2005-05-19

Multiple stage blowers and volutes therefor

 #41
16116572
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Compressor and compressor-manufacturing method