ClassID:

143711

F04C29/122 - CPC Classification

Classification description:

Component parts, details or accessories of pumps or pumping installations, not provided for in groups  - ; Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet Arrangements for supercharging the working space

Recent Application in this class:
#1
20190120231
2019-04-25

Separator device for separating a fluid, in particular a lubricant, from a coolant

#2
20190032660
2019-01-31

Rotor for a positive displacement compressor

#3
20180274542
2018-09-27

BEARING PLATE NOISE DAMPER

#4
20170370361
2017-12-28

Inlet system for a radial compressor with a wide flow range requirement

#5
20170211577
2017-07-27

Dual integrated pump having a first and second pump portion connected in series and driven by a common shaft

#6
20160032925
2016-02-04

Revolving piston rotary compressor with stationary crankshaft

#7
20160003254
2016-01-07

NOISE CANCELLATION BY PHASE-MATCHING COMMUNICATING DUCTS OF ROOTS-TYPE BLOWER AND EXPANDER

#8
20160003249
2016-01-07

Supercharger with air vent pathway to engine

#9
20150337841
2015-11-26

Scroll compressor with a shunt pulsation trap

#10
20150316058
2015-11-05

Scroll compressor

#11
20150300174
2015-10-22

Unitary pump and turbine energy exchanger

#12
20150132171
2015-05-14

Roots-style blower with leakage mechanisms

#13
20130216418
2013-08-22

Screw compressor

#14
20120087819
2012-04-12

Rotary compressor

#15
20120014825
2012-01-19

Roots fluid machine with reduced gas leakage

#16
20100254843
2010-10-07

Scroll compressor having rearwardly directed fluid inlet and outlet

#17
20090297340
2009-12-03

Rotary sliding vane compressor with a secondary compressed fluid inlet

#18
20090229582
2009-09-17

Vehicle having internal combustion engine with supercharger

#19
20090165441
2009-07-02

Combustion engine with feedback gear/rotary pump input

#20
20080152526
2008-06-26

Vapor injection system for a scroll compressor

#21
20070280846
2007-12-06

Screw compressor

#22
20070092392
2007-04-26

Internal gear pump

#23
20060188382
2006-08-24

Compressor

#24
20060120894
2006-06-08

Hermetic compressor

#25
20050271537
2005-12-08

Cavitation noise reduction system for a rotary screw vacuum pump

#26
20050097908
2005-05-12

Compressor with unloader valve between economizer line and evaporator inlet