Patents-Review.com
ClassID:

142683 ⎘

F04B7/0076 - CPC Classification

Classification description:

Piston machines or pumps characterised by having positively-driven valving the members being actuated by electro-magnetic means

Recent Application in this class:
#1
20250084840
2025-03-13

MEDICAL FLUID THERAPY MACHINE INCLUDING READILY ACCESSIBLE PNEUMATIC MANIFOLD AND VALVES THEREFORE

 #2
20240200551
2024-06-20

HYDRAULIC CIRCUIT ARRANGEMENT AND CONTROL SYSTEM FOR GANGED ELECTRONICALLY-COMMUTATED PUMPS

 #3
20240060486
2024-02-22

Providing backpressure for electric compressor

 #4
20240042400
2024-02-08

Kitchen appliance apparatus

 #5
20230366397
2023-11-16

SYSTEMS AND METHODS FOR OPERATION MODES FOR AN AIR COMPRESSOR

 #6
20230304482
2023-09-28

FUEL PUMP DEVICES, SYSTEMS, AND METHODS

 #7
20230265817
2023-08-24

Adaptable barrels for fuel injection

 #8
20230235729
2023-07-27

COMPACT OPPOSED PUMP

 #9
20230184234
2023-06-15

Continuous magnetic positive displacement pump

 #10
20230124370
2023-04-20

High-pressure pump

 #11
20230118844
2023-04-20

ELECTRONICALLY COMMUTATED HYDRAULIC MACHINE AND OPERATING METHOD TO REDUCE GENERATION OF RESONANCE EFFECTS

 #12
20220356678
2022-11-10

Apparatus with hydraulic machine controller

 #13
20220307491
2022-09-29

Variable displacement pump with active bypass feedback control

 #14
20220049462
2022-02-17

Apparatus with hydraulic machine controller

 #15
20220003233
2022-01-06

High-pressure fuel pump

 #16
20210404431
2021-12-30

High-pressure pump

 #17
20210381503
2021-12-09

Hydraulic machine with controllable valves and method for idling such a hydraulic machine

 #18
20210323005
2021-10-21

Print head comprising a micro-pneumatic control unit

 #19
20210285410
2021-09-16

High-pressure pump in a high-pressure injection system of a vehicle

 #20
20210228785
2021-07-29

Pump assembly and a wound therapy apparatus

 #21
20210190061
2021-06-24

Electromagnetic actuator

 #22
20210172437
2021-06-10

Liquid sending device

 #23
20210015986
2021-01-21

Medical fluid therapy machine including readily accessible pneumatic manifold and valves therefore

 #24
20200292096
2020-09-17

Valve assembly

 #25
20200284231
2020-09-10

VALVE, IN PARTICULAR SUCTION VALVE, IN A HIGH-PRESSURE PUMP OF A FUEL INJECTION SYSTEM

 #26
20200243420
2020-07-30

Heat dissipation device

 #27
20200224647
2020-07-16

Precise control of suction damping device in a variable displacement compressor

 #28
20200224625
2020-07-16

High-pressure pump

 #29
20200095966
2020-03-26

High-pressure pump

 #30
20200080551
2020-03-12

Hydrostatic apparatus and method of operating the same

 #31
20190390666
2019-12-26

Method of testing a unit pump system performance

 #32
20190345926
2019-11-14

Vacuum pumps and methods of manufacturing the same

 #33
20190301438
2019-10-03

Piston pump and relative control method

 #34
20190277245
2019-09-12

Method for controlling torque equilibrium of a hydraulic motor

 #35
20190249670
2019-08-15

Method and device for venting the suction side of a synthetically commutated hydraulic pump

 #36
20190234392
2019-08-01

Semi-Hermetic Refrigerant Compressor

 #37
20190226959
2019-07-25

Displacement of an object with hydraulic actuators

 #38
20190170267
2019-06-06

Valve assembly having electrical actuator with stepped armature

 #39
20190170128
2019-06-06

Precise control of suction damping device in a variable displacement compressor

 #40
20190154030
2019-05-23

Measuring hydraulic fluid pressure in a fluid-working machine

 #41
20190120190
2019-04-25

High-pressure pump

 #42
20190107106
2019-04-11

Fuel pump for pressurizing low pressure fuel suctioned into a pressurizing chamber and discharging high pressure fuel pressurized in the pressurizing chamber

 #43
20190085805
2019-03-21

Three stage proportional control valve

 #44
20190063415
2019-02-28

Pumping apparatus, treatment solution supplying device, substrate treating apparatus, liquid draining method, and liquid replacing method

 #45
20190048869
2019-02-14

FLUID-WORKING MACHINE AND OPERATING METHOD

 #46
20190017482
2019-01-17

High-pressure fuel supply pump having electromagnetically-driven intake valve

 #47
20190017480
2019-01-17

Electromagnetic actuator for a valve mechanism

 #48
20190010934
2019-01-10

Volumetric pump

 #49
20180355830
2018-12-13

Electromagnetically actuatable inlet valve and high-pressure pump having an inlet valve

 #50
20180313454
2018-11-01

Check valve and liquid delivery pump

 #51
20180313313
2018-11-01

High-pressure fuel supply pump, manufacturing method thereof, and method of bonding two members

 #52
20180299017
2018-10-18

Oblong diaphragm valves

 #53
20180283573
2018-10-04

Electromagnetic actuator of a valve device

 #54
20180274530
2018-09-27

Method for actuating semi-commanded valve and system for actuating semi-commanded valve for multi-suction alternative compressor

 #55
20180202435
2018-07-19

Valve device and high pressure pump using the same

 #56
20180171951
2018-06-21

High-pressure pump

 #57
20180066619
2018-03-08

High-pressure fuel supply pump having electromagnetically-driven intake valve

 #58
20180045196
2018-02-15

Valve for fluid working machine, fluid working machine and method of operation

 #59
20180010602
2018-01-11

High-pressure pump and production method thereof

 #60
20170342969
2017-11-30

Pump, in particular a high-pressure fuel pump

 #61
20170298928
2017-10-19

FLUID-WORKING MACHINE AND OPERATING METHOD

 #62
20170254306
2017-09-07

Inlet Control Valve With Snap-Off Coil Assembly

 #63
20170254305
2017-09-07

Direct magnetically controlled inlet valve for fuel pump

 #64
20170211558
2017-07-27

High-pressure pump control unit

 #65
20170089291
2017-03-30

High pressure pump controller

 #66
20170082099
2017-03-23

Device for controlling high-pressure pump

 #67
20170022986
2017-01-26

Fluid working machine and method of operating a fluid working machine

 #68
20160305384
2016-10-20

Automotive fuel pump

 #69
20160273673
2016-09-22

Valve device and use of such a valve device

 #70
20160258402
2016-09-08

Automotive fuel pump

 #71
20160169222
2016-06-16

Fluid-working machine and operating method

 #72
20160153414
2016-06-02

High-pressure pump

 #73
20160131130
2016-05-12

Power unit of hydraulic pumping unit and corresponding hydraulic pumping unit

 #74
20160123322
2016-05-05

Pressure reducing solenoid valve

 #75
20160090971
2016-03-31

Control circuits for electrochemical pump with E-valves

 #76
20160069333
2016-03-10

High-pressure pump

 #77
20160010607
2016-01-14

Electronically controlled inlet metered single piston fuel pump

 #78
20160003239
2016-01-07

Valve unit and a fluid working machine comprising a valve unit

 #79
20160003238
2016-01-07

Operational status checking system of alternative compressor valve and method for checking operational status of alternative compressor valve

 #80
20160003233
2016-01-07

Method for actuating semi-commanded valve and system for actuating semi-commanded valve for multi-suction alternative compressor

 #81
20150354557
2015-12-10

Reciprocating low-speed heavy-load hydraulic pump with variable action area

 #82
20150345489
2015-12-03

Method and device for actuating an electrically commutated fluid working machine

 #83
20150292492
2015-10-15

Piston pump assembly of electronic controlled brake device for vehicle

 #84
20150211503
2015-07-30

DEVICE FOR THE DRIVE CONTROL OF A TWO-CYLINDER THICK MATTER PUMP

 #85
20150211502
2015-07-30

Swash plate type variable displacement compressor

 #86
20150211459
2015-07-30

Pump unit and method of operating the same

 #87
20150198126
2015-07-16

Valve assembly

 #88
20150167859
2015-06-18

Electronic control valve having an integral non-contact noise mitigation device

 #89
20150159679
2015-06-11

Pulse controlled linear actuator

 #90
20150098849
2015-04-09

Electromagnetic actuator for a reciprocating compressor

 #91
20150017039
2015-01-15

HIGH-PRESSURE FUEL SUPPLY PUMP HAVING AN ELECTROMAGNETICALLY-DRIVEN INLET VALVE

 #92
20140377082
2014-12-25

Semi-commanded valve system applied to compressor and method for modulating the capacity of a compressor provided with a semi-commanded valve system

 #93
20140301873
2014-10-09

Condensate separator device for a compressor arrangement for the production of compressed air

 #94
20140241924
2014-08-28

Electromagnetic valve and high pressure pump using the same

 #95
20140216419
2014-08-07

Method and device for controlling a valve

 #96
20140199192
2014-07-17

Fuel injection pump

 #97
20140158205
2014-06-12

Method and apparatus for controlling a solenoid actuated inlet valve

 #98
20140147293
2014-05-29

HYDRAULIC MACHINE WITH ELECTRONICALLY CONTROLLED VALVES

 #99
20140134027
2014-05-15

Inlet valve arrangement for a fuel pump

 #100
20140127037
2014-05-08

FLUID SUPPLY APPARATUS

 #101
20140103243
2014-04-17

Method for detecting a closing time point of a valve having a coil drive, and valve

 #102
20140044570
2014-02-13

System and method for a pump with onboard electronics

 #103
20140010687
2014-01-09

High-pressure pump

 #104
20130047600
2013-02-28

Charged hydraulic system

 #105
20120305822
2012-12-06

ELECTRONIC CONTROL VALVE HAVING AN INTEGRAL NON-CONTACT NOISE MITIGATION DEVICE

 #106
20120288389
2012-11-15

Valve device and high pressure pump using the same

 #107
20120260796
2012-10-18

Reciprocating piston compressor with delivery rate control

 #108
20120207632
2012-08-16

Fuel pump with discharge control

 #109
20120180649
2012-07-19

High pressure pump

 #110
20120091165
2012-04-19

System and Method for Correcting for Pressure Variations Using a Motor

 #111
20120090708
2012-04-19

High-pressure fuel supply pump having electromagnetically-driven intake valve

 #112
20120076670
2012-03-29

Fluid-working machine and method of operating a fluid-working machine

 #113
20120057991
2012-03-08

Fluid-working machine and method of detecting a fault

 #114
20120057990
2012-03-08

System and method for a pump with reduced form factor

 #115
20120023918
2012-02-02

Fluid working machine and method of operating a fluid working machine

 #116
20120018010
2012-01-26

Hydraulic Transmission

 #117
20110311382
2011-12-22

Valve actuation system for a suction valve of a gas compressor for refrigeration equipment

 #118
20110268590
2011-11-03

FLUID WORKING MACHINES AND METHODS

 #119
20110253918
2011-10-20

Valve actuator

 #120
20110226342
2011-09-22

Fluid working machines and methods

 #121
20110220230
2011-09-15

Fluid distribution valve

 #122
20110209784
2011-09-01

Valve assemblies

 #123
20110209783
2011-09-01

Valve assemblies

 #124
20110186018
2011-08-04

High-pressure pump

 #125
20110174152
2011-07-21

VALVE-CONTROLLED POSITIVE DISPLACEMENT MACHINE

 #126
20110123354
2011-05-26

Fluid-working machine and operating method

 #127
20110076160
2011-03-31

CONTROL DEVICE FOR A HYDRAULIC PISTON MACHINE WITH A VARIABLE FLOW RATE

 #128
20110020159
2011-01-27

Fluid working machine

 #129
20110017308
2011-01-27

Apparatus, a control circuit and a method for producing pressure and volume flow

 #130
20100307599
2010-12-09

FLUID DEVICE WITH MAGNETIC LATCHING VALVES

 #131
20100303657
2010-12-02

Operating method for fluid working machine

 #132
20100303638
2010-12-02

Method of operating a fluid working machine

 #133
20100262304
2010-10-14

System and method for valve sequencing in a pump

 #134
20100143171
2010-06-10

CONTROL DEVICE FOR A HYDRAULIC PISTON MACHINE WITH A VARIABLE FLOW RATE

 #135
20100129241
2010-05-27

Fluid pump

 #136
20100084587
2010-04-08

Fluid-working machine

 #137
20100012192
2010-01-21

Active valve and methods of operation thereof

 #138
20090317266
2009-12-24

Digital hydraulic pump/motor torque modulation system and apparatus

 #139
20090297375
2009-12-03

ELECTROMAGNETIC VALVE, FLUID PUMP HAVING THE VALVE, AND FLUID INJECTOR HAVING THE VALVE

 #140
20090210120
2009-08-20

Hydrostatic regenerative drive system

 #141
20090180905
2009-07-16

Pump element and pump having such a pump element

 #142
20090120086
2009-05-14

Method of controlling a cyclically commutated hydraulic pump

 #143
20090116987
2009-05-07

PUMP

 #144
20090113888
2009-05-07

Charged hydraulic system

 #145
20090041588
2009-02-12

Active valve system for positive displacement pump

 #146
20070272890
2007-11-29

Electromagnetic actuators

 #147
20070272178
2007-11-29

Semi-active compressor valve

 #148
20070181838
2007-08-09

Valve drive device, its control method and pump

 #149
20070128050
2007-06-07

System and method for a pump with reduced form factor

 #150
20070116587
2007-05-24

Volume-metering pump device

 #151
20070104586
2007-05-10

System and method for correcting for pressure variations using a motor

 #152
20060239846
2006-10-26

High pressure pump having solenoid actuator

 #153
20060218959
2006-10-05

Refrigerant compressor

 #154
20060147329
2006-07-06

Active valve and active valving for pump

 #155
20060039795
2006-02-23

Fluid-working machine and operating method

 #156
20050238500
2005-10-27

Method and apparatus for dispensing small volumes of fluid

 #157
20050214130
2005-09-29

Multidimensional pump apparatus and method for fully automated complex mixtures separation, identification, and quantification

 #158
20050184087
2005-08-25

Pump controller for precision pumping apparatus