ClassID:

146020

F15B13/0442 - CPC Classification

Classification description:

Details of servomotor systems ; Valves for servomotor systems; Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors with proportional solenoid allowing stable intermediate positions

Recent Application in this class:
#1
20250128284
2025-04-24

FLUID APPLICATOR WITH PROPORTIONAL VALVE

#2
20250084874
2025-03-13

FIXED DISPLACEMENT HYDRAULIC PUMP MATCH FLOW DEMAND CONTROL SYSTEM

#3
20230175533
2023-06-08

Fixed displacement hydraulic pump match flow demand control system

#4
20230175531
2023-06-08

Control system for actuating lifting function

#5
20230078399
2023-03-16

Valve calibration system and calibration method

#6
20210285470
2021-09-16

Automatic air bleeding system for hydraulics

#7
20210285466
2021-09-16

Redundant electrohydraulic positioning control system

#8
20200325914
2020-10-15

Hydraulic systems and methods for nested pressure regulating valves

#9
20200291970
2020-09-17

Method to automatically detect parameter for pressure dynamics control

#10
20200271137
2020-08-27

Servo valve

#11
20200240113
2020-07-30

Control method for hydraulic system in work machine

#12
20200096019
2020-03-26

System and method for energizing a solenoid coil for fast solenoid actuation

#13
20200088217
2020-03-19

Electrohydraulic normally-open ventable valve configured to operate in pressure relief mode when actuated

#14
20200088216
2020-03-19

Electrohydraulic valve normally operating in fluid flow-blocking mode and configured to operate in pressure relief mode when actuated

#15
20200088215
2020-03-19

Electrohydraulic valve normally operating in pressure relief mode and configured to block fluid flow when actuated

#16
20200003324
2020-01-02

Valve solenoid tube having a two chamber configuration

#17
20190376613
2019-12-12

Directly-controlled hydraulic directional valve

#18
20190285191
2019-09-19

Valve system in an injection molding system

#19
20190271333
2019-09-05

Hydraulic excavator drive system

#20
20190264828
2019-08-29

Electromagnetic valve device and system

#21
20190186511
2019-06-20

Leakage modulation in hydraulic systems containing a three-way spool valve

#22
20190178265
2019-06-13

Servo valve

#23
20190127949
2019-05-02

Position control system and method for an implement of a work vehicle

#24
20180321079
2018-11-08

Oil vibration diagnosis apparatus and oil vibration diagnosis method

#25
20180283409
2018-10-04

Pneumatic valve arrangement

#26
20180245488
2018-08-30

Variable valve timing control device

#27
20180163889
2018-06-14

Valve, in particular proportional pressure regulating valve

#28
20180156244
2018-06-07

Split spool valve

#29
20180128292
2018-05-10

Control strategy for hydraulic actuator with a pair of independent metering valves

#30
20180128290
2018-05-10

Method to automatically detect parameter for pressure dynamics control

#31
20180119391
2018-05-03

Hydraulic drive system of construction machine

#32
20180058040
2018-03-01

Hydraulic drive system of construction machine

#33
20180056955
2018-03-01

Method for clamping and for machining a hydraulic block of a slip-controlled hydraulic vehicle brake system, and hydraulic block

#34
20180051721
2018-02-22

Hydraulic system

#35
20180043590
2018-02-15

Valve system in an injection molding system

#36
20180013278
2018-01-11

HYDRAULIC CABLE TENSIONING MACHINE

#37
20170284063
2017-10-05

Hydraulic system for work machine

#38
20170175917
2017-06-22

Valve

#39
20170089367
2017-03-30

Displacement control unit

#40
20160266600
2016-09-15

Method for determining a switching function for a sliding mode controller, and sliding mode controller

#41
20160070272
2016-03-10

Solenoid valve control system, a control valve system, and a method of controlling electronic valve

#42
20150375662
2015-12-31

WIRELESS REMOTE-CONTROL HYDRAULIC PUMP MECHANISM FOR DUMP TRUCKS

#43
20150330271
2015-11-19

Valve device for a hydraulic circuit and oil pump regulating arrangement

#44
20150075360
2015-03-19

Hydraulic control circuit and its control method

#45
20150013796
2015-01-15

Hydraulic circuit for automatic transmission

#46
20140283509
2014-09-25

Power regeneration device for working machine and working machine

#47
20140252258
2014-09-11

Hydraulic valve for supplying single-acting or double-acting consumer

#48
20140245732
2014-09-04

Proportional directional control valve, and hydraulic circuit and hydropneumatic suspension system having such a valve

#49
20130125715
2013-05-23

Circuit arrangement for operating a torque wrench or similar

#50
20130081714
2013-04-04

Flow control valve

#51
20120291900
2012-11-22

Solenoid valve and oil pressure control device

#52
20120199769
2012-08-09

Mesofluidic two stage digital valve

#53
20120199763
2012-08-09

MESOFLUIDIC SHAPE MEMORY ALLOY VALVE

#54
20120104293
2012-05-03

PRESSURE CONTROL VALVE, IN PARTICULAR FOR AN AUTOMATIC TRANSMISSION IN A MOTOR VEHICLE

#55
20120048400
2012-03-01

Pressure control valve having an axial supply port

#56
20120037829
2012-02-16

Proportional throttle valve

#57
20110240895
2011-10-06

SOLENOID SPOOL VALVE

#58
20110240894
2011-10-06

SOLENOID SPOOL VALVE

#59
20100326552
2010-12-30

Solenoid valve

#60
20100320406
2010-12-23

Pressure compensated electromagnetic proportional directional flow control valve

#61
20100301248
2010-12-02

SOLENOID VALVE

#62
20100200785
2010-08-12

Flow rate control valve and spool position detection device for the flow rate control valve

#63
20090173901
2009-07-09

Actuator system

#64
20080053191
2008-03-06

Method for calibrating independent metering valves

#65
20070163662
2007-07-19

Proportional pressure control valve

#66
20070095315
2007-05-03

Control valve for an apparatus for variable setting of the control times of gas exchange valves of an internal combustion engine

#67
20070057217
2007-03-15

Solenoid valve

#68
20070045581
2007-03-01

Electromagnetic valve for brake control

#69
20060158289
2006-07-20

Electromagnet

#70
20060048824
2006-03-09

Controllable solenoid valve

#71
20050223885
2005-10-13

Controlled-flow hydraulic distributor

#72
20050171668
2005-08-04

Method for the adjustment of the control current of current-controlled hydraulic valves

#73
16254001
2020-09-15

Inverse proportional pressure relief valve

#74
16253985
2020-06-16

Two-port electrohydraulic counterbalance valve

#75
16133980
2020-02-11

Electrohydraulic valve normally operating in pressure relief mode and configured to operate in ventable mode when actuated

#76
16133972
2020-01-14

Electrohydraulic normally-open ventable valve configured to operate in pressure relief mode when actuated