Patents-Review.com
ClassID:

143513 ⎘

F04C14/223 - 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 by changing the eccentricity between cooperating members using a movable cam

Sub-classes:
Recent Application in this class:
#1
20260055762
2026-02-26

VARIABLE DISPLACEMENT OIL PUMP AND METHOD FOR PRODUCING VARIABLE DISPLACEMENT OIL PUMP

 #2
20240369060
2024-11-07

Variable Displacement Oil Pump

 #3
20240352932
2024-10-24

Variable-capacity oil pump

 #4
20230096852
2023-03-30

Fuel pump with determinant translating cam arrangement

 #5
20230032977
2023-02-02

Rotary pump comprising a setting structure spring having an offset line of action

 #6
20220316472
2022-10-06

Variable oil pump

 #7
20220266948
2022-08-25

Hydraulic automatic transmission bicycle

 #8
20220128050
2022-04-28

Pendulum oil pump

 #9
20210246899
2021-08-12

Rotary pump having an adjustable specific delivery volume and a pressure equalization surface

 #10
20210115920
2021-04-22

Flow-optimised vane pump

 #11
20210115919
2021-04-22

Automotive liquid pendulum vane pump

 #12
20210048025
2021-02-18

Vaned pump device having fluid pressure chambers located outside the cam ring to control cam ring eccentricity

 #13
20200347844
2020-11-05

Vane pump having a side member including a triangular-shaped protruding opening portion in communication with a back pressure opening portion for preventing wear of an inner circumference cam face

 #14
20200300092
2020-09-24

Variable lubricant vane pump

 #15
20200284255
2020-09-10

Pump device

 #16
20200284254
2020-09-10

Pulsation phenomenon suppression mechanism of pump device

 #17
20200172199
2020-06-04

Hydraulic automatic transmission bicycle

 #18
20200141403
2020-05-07

Variable displacement pump and control method therefor

 #19
20200109709
2020-04-09

VARIABLE DISPLACEMENT OIL PUMP

 #20
20200032793
2020-01-30

Variable displacement pump

 #21
20190293069
2019-09-26

Automotive variable mechanical lubricant pump

 #22
20190242378
2019-08-08

Vane oil pump with a relief passage covered by an inner rotor to prevent flow to a discharge port and a rotor passage providing flow to said port

 #23
20190226479
2019-07-25

Variable capacity pump and working oil supply system for internal combustion engine

 #24
20190120227
2019-04-25

Two-stage variable-displacement oil pump

 #25
20190017596
2019-01-17

Hydraulic control apparatus and hydraulic control method

 #26
20180180043
2018-06-28

PUMP DEVICE

 #27
20180112661
2018-04-26

VARIABLE DISPLACEMENT VANE PUMP

 #28
20180106252
2018-04-19

Vane spacing for a variable displacement oil pump

 #29
20180106152
2018-04-19

Hydraulic machine

 #30
20180023564
2018-01-25

Variable displacement pump

 #31
20170321696
2017-11-09

VARIABLE DISPLACEMENT VANE PUMP

 #32
20170314555
2017-11-02

VARIABLE CAPACITY VANE PUMP

 #33
20170291661
2017-10-12

Hydraulic automatic transmission bicycle

 #34
20170241416
2017-08-24

Variable displacement oil pump

 #35
20170218759
2017-08-03

Oil pump having plurality of outer rotor pieces

 #36
20170167484
2017-06-15

Pump exhibiting an adjustable delivery volume

 #37
20170138197
2017-05-18

Vane cell machine having a pressure piece which delimits two pressure chambers

 #38
20170058893
2017-03-02

Variable displacement pump

 #39
20170045047
2017-02-16

Vane pump with adjustable delivery volume

 #40
20160363120
2016-12-15

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

 #41
20160325623
2016-11-10

Driving force distributing device

 #42
20160222963
2016-08-04

VARIABLE DISPLACEMENT PUMP WITH ELECTRIC CONTROL OF DISPLACEMENT REGULATION AND METHOD OF REGULATING PUMP DISPLACEMENT

 #43
20160215775
2016-07-28

Oil pump

 #44
20160177949
2016-06-23

PUMP APPARATUS

 #45
20160153325
2016-06-02

Variable displacement oil pump

 #46
20160138592
2016-05-19

Variable lubricant vane pump

 #47
20160116059
2016-04-28

Variable displacement pump and gearbox control system

 #48
20160084249
2016-03-24

Variable displacement vane pump

 #49
20160040665
2016-02-11

Hydraulic conveying device and hydraulic system

 #50
20160010642
2016-01-14

Variable displacement vane pump

 #51
20160003243
2016-01-07

Variable displacement lubricant pump

 #52
20150354565
2015-12-10

Variable displacement lubricant pump for an internal combustion engine with a temperature control valve

 #53
20150322944
2015-11-12

VARIABLE DISPLACEMENT VANE PUMP AND METHOD OF REGULATING THE DISPLACEMENT THEREOF

 #54
20150322943
2015-11-12

Method for producing a pendulum of a pendulum slide cell pump

 #55
20150285246
2015-10-08

Variable displacement oil pump

 #56
20150260186
2015-09-17

Variable displacement vane pump

 #57
20150252802
2015-09-10

VARIABLE DISPLACEMENT VANE PUMP

 #58
20150226216
2015-08-13

Variable displacement transmission pump and controller with adaptive control

 #59
20150226215
2015-08-13

Variable displacement vane pump and power steering system

 #60
20150204326
2015-07-23

Vane pump unit

 #61
20150110659
2015-04-23

Vane pump

 #62
20150078944
2015-03-19

Variable displacement vane pump

 #63
20150056090
2015-02-26

Variable capacity type vane pump

 #64
20150050173
2015-02-19

Variable displacement pump with double eccentric ring and displacement regulation method

 #65
20150044083
2015-02-12

Variable capacity type vane pump

 #66
20150030486
2015-01-29

Variable capacity vane pump with a rotor and a cam ring rotatable eccentrically relative to a center of the rotor

 #67
20150030485
2015-01-29

Variable displacement rotary pump and displacement regulation method

 #68
20140326911
2014-11-06

Valve device for a hydraulic circuit, and oil-pump regulating arrangement

 #69
20140241927
2014-08-28

Vane-type hydraulic device having vane formed with engaging groove

 #70
20140170008
2014-06-19

Variable displacement pump

 #71
20140154120
2014-06-05

Internal gear pump including an outer ring having cam protruded parts

 #72
20140147323
2014-05-29

Variable displacement pump

 #73
20140072456
2014-03-13

Variable displacement pump

 #74
20140030120
2014-01-30

Variable displacement lubricant pump with a pressure control valve having a preload control arrangement

 #75
20130309113
2013-11-21

Multiple stage passive variable displacement vane pump

 #76
20130263815
2013-10-10

Variable displacement lubricant pump

 #77
20130136641
2013-05-30

Variable-displacement lubricant vane pump

 #78
20130112293
2013-05-09

Infinitely variable pressure-control valve

 #79
20130078127
2013-03-28

Vane cell pump with vane plate guide crosspieces and synchronization cylinder

 #80
20130048099
2013-02-28

Additive proportioning system

 #81
20130025959
2013-01-31

Solenoid valve, solenoid and hydraulic power system

 #82
20120301342
2012-11-29

Variable displacement vane pump having multiple dampening springs

 #83
20120183426
2012-07-19

Variable-displacement lubricant pump

 #84
20120164016
2012-06-28

Rinsing arrangement for tribological contact areas and rotary vane pump with such an arrangement

 #85
20120148423
2012-06-14

Lubricant pump system

 #86
20120093672
2012-04-19

DIRECT CONTROL LINEAR VARIABLE DISPLACEMENT VANE PUMP

 #87
20120082582
2012-04-05

Pendulum-slide cell pump

 #88
20110194962
2011-08-11

VANE PUMP WITH VARIABLE DISCHARGE VOLUME

 #89
20110187118
2011-08-04

Generation and use of high pressure air

 #90
20110097231
2011-04-28

Variable displacement vane pump

 #91
20100296956
2010-11-25

VARIABLE DISPLACEMENT PUMPS AND VANE PUMP CONTROL SYSTEMS

 #92
20100226799
2010-09-09

Variable displacement pump

 #93
20100139611
2010-06-10

Hydraulic pump with variable flow and pressure and improved open-loop electric control

 #94
20100135835
2010-06-03

Variable-displacement vane oil pump

 #95
20100086423
2010-04-08

Two-setting variable-eccentricity vane pump

 #96
20100080724
2010-04-01

Two stage pressure regulation system for variable displacement hydraulic pumps

 #97
20100008806
2010-01-14

Regulatable vane-cell pump with a sealing web curving in an arc

 #98
20090291008
2009-11-26

Variable displacement vane pump

 #99
20090202375
2009-08-13

Continuously variable displacement vane pump and system

 #100
20090196780
2009-08-06

Variable displacement vane pump with dual control chambers

 #101
20090129960
2009-05-21

Variable displacement vane pump with defined cam profile

 #102
20090047147
2009-02-19

VARIABLE DISPLACEMENT VANE PUMP

 #103
20090041605
2009-02-12

Adjusting valve for adjusting the delivery volume of a displacement pump

 #104
20080308353
2008-12-18

Lubrication System and Internal Combustion Engine Comprising Such a System

 #105
20080257648
2008-10-23

Device and method for supplying lubricating oil

 #106
20080219874
2008-09-11

Variable displacement vane pump

 #107
20080170950
2008-07-17

Rotary pump

 #108
20080069704
2008-03-20

Pumping system

 #109
20080038117
2008-02-14

Pumping System Employing a Variable-Displacement Vane Pump

 #110
20070231161
2007-10-04

Pump with Selectable Outlet Pressure

 #111
20060104823
2006-05-18

Hydraulic pump with variable flow and variable pressure and electric control

 #112
20050204738
2005-09-22

Oil pump

 #113
20050063854
2005-03-24

Dual lobe, split ring, variable roller vane pump

 #114
20050047930
2005-03-03

System for controlling a hydraulic variable-displacement pump

 #115
20050019195
2005-01-27

Rotary piston pump

 #116
20050005599
2005-01-13

Hydraulic system having a variable displacement pump

 #117
15898742
2020-07-21

High pressure axial piston pump with multiple discharge ports