F04C14/18 - CPC Classification Index

ClassID:

143509 ⎘

F04C14/18 - CPC Classification

Classification description:

Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber

Sub-classes:

F04C14/185 » {by varying the useful pumping length of the cooperating members in the axial direction} 38
F04C14/20 » by changing the form of the inner or outer contour of the working chamber 22
F04C14/22 » by changing the eccentricity between cooperating members 86

Recent Application in this class:

20240392780

2024-11-28

VARIABLE DISPLACEMENT PUMP SYSTEMS

20240003346

2024-01-04

Sliding-pocket variable-displacement pump with compensation chambers

20230136689

2023-05-04

PUMP WITH VARIABLE SUCTION/DISCHARGE AMOUNT AND DRIVE DEVICE COMPOSED OF THE PUMP AND DRIVING METHOD THEREOF

20220010874

2022-01-13

Hydraulic Gerotor pump for automatic transmission

20210301816

2021-09-30

VARIABLE DISPLACEMENT GEROTOR PUMP

20210262464

2021-08-26

Positive displacement pump including an unloading device

20210254618

2021-08-19

OIL PUMP

20200141404

2020-05-07

Slide of variable oil pump for vehicle and method of manufacturing the same

20200141403

2020-05-07

Variable displacement pump and control method therefor

#10

20190285068

2019-09-19

Positive displacement pump including an unloading device

#11

20180347564

2018-12-06

Controlled variable delivery external gear machine

#12

20180209417

2018-07-26

ROTARY PISTON PUMP COMPRISING RADIAL BEARINGS ON ONLY ONE HOUSING PART

#13

20180163542

2018-06-14

Hydraulic device comprising a sealing element

#14

20180118378

2018-05-03

Anti-stall hydraulic pump for a thrust vector control system

#15

20180106251

2018-04-19

Oil pump

#16

20180051695

2018-02-22

Pump for an engine

#17

20170350527

2017-12-07

Solenoid valve and oil pump

#18

20170328364

2017-11-16

Adjustable vane pump

#19

20170328363

2017-11-16

Pump with control system including a control system for directing delivery of pressurized lubricant

#20

20170314553

2017-11-02

Positive displacement pump including an unloading device

#21

20170241416

2017-08-24

Variable displacement oil pump

#22

20170184092

2017-06-29

INTEGRATED DISPLACEMENT CONTROLLED PUMP

#23

20170101988

2017-04-13

Integrated pressure plate and port plate for pump

#24

20160369795

2016-12-22

Variable delivery external gear machine

#25

20160363120

2016-12-15

Pump comprising an adjusting device and a control valve for adjusting the delivery volume of the pump

#26

20160325623

2016-11-10

Driving force distributing device

#27

20160312611

2016-10-27

Multiple vane roto-dynamic variable displacement kinetic system

#28

20160186752

2016-06-30

Variable displacement vane pump with integrated fail safe function

#29

20160177947

2016-06-23

VANE PUMP

#30

20160115832

2016-04-28

Variable displacement lubricant pump

#31

20160090983

2016-03-31

Oil pump structure

#32

20160003113

2016-01-07

Control Of Variable Displacement Vane Pump Used As Scavenge Pump

#33

20150354564

2015-12-10

OIL PUMP

#34

20150240809

2015-08-27

Variable displacement pump

#35

20150240806

2015-08-27

Rotary pump with a plastic composite structure

#36

20150167667

2015-06-18

OIL PUMP DEVICE

#37

20150125331

2015-05-07

Displacement pump having fluidly connected pressure chambers

#38

20150093273

2015-04-02

Rotary compressors with variable speed and volume control

#39

20150071804

2015-03-12

Variable flow hydraulic machine

#40

20140261716

2014-09-18

Systems and methods for fluid pump outlet pressure regulation

#41

20140154121

2014-06-05

Compressor with capacity modulation and variable volume ratio

#42

20130129554

2013-05-23

Lubricant pump and control piston

#43

20120143470

2012-06-07

METHOD FOR OPERATING A VARIABLE DISPLACEMENT OIL PUMP

#44

20120014787

2012-01-19

Thermal expansion chambers for airtight containers

#45

20090297384

2009-12-03

Dual displacement external gear pump

#46

20090078241

2009-03-26

METHOD FOR ADJUSTING A DISPLACEMENT PUMP THAT HAS A VARIABLE VOLUME FLOW RATE IN AN INTERNAL COMBUSTION ENGINE

#47

20080087332

2008-04-17

Active intake pressure control of downhole pump assemblies

#48

20080041472

2008-02-21

Tandem pump valve structure

#49

20070243081

2007-10-18

HYDRAULIC PUMP, HYDRAULIC PUMP UNIT, AND HYDRAULIC DRIVING UNIT

#50

20070065322

2007-03-22

Thermal expansion chambers for airtight containers