ClassID:

146325

F15B2211/411 - CPC Classification

Classification description:

Circuits for servomotor systems; Flow control characterised by the positions of the valve element the positions being discrete

Recent Application in this class:
#1
20240271526
2024-08-15

PNEUMATIC DEVICE WITH A MOVABLY MOUNTED PISTON

#2
20230339605
2023-10-26

Hydraulic actuator including a multi-head piston for hydraulic gearing

#3
20230339604
2023-10-26

Hydraulic actuator including a multi-head piston for hydraulic gearing

#4
20230139226
2023-05-04

Controller and method for hydraulic apparatus

#5
20220333622
2022-10-20

Air cylinder, head cover, and rod cover

#6
20220333349
2022-10-20

Hydraulic unit

#7
20220049720
2022-02-17

Flow controller and driving apparatus including the same

#8
20210095698
2021-04-01

Actuating drive having a hydraulic outflow booster

#9
20200240440
2020-07-30

Hydraulic system for work machine and work machine

#10
20200140063
2020-05-07

Horizontal stabilizer trim actuator systems and methods

#11
20200002921
2020-01-02

Hydraulic system for working machine

#12
20190323388
2019-10-24

Valve timing adjustment device

#13
20190316606
2019-10-17

Aircraft hydraulic system with a dual spool valve and methods of use

#14
20190301364
2019-10-03

Arrangement of a switching valve module in a connecting rod of a reciprocating internal combustion engine

#15
20190249692
2019-08-15

Hydraulic valve assembly with forced circuit

#16
20190234431
2019-08-01

Cylinder driving device

#17
20190211850
2019-07-11

Digital-switching fluidic power supply and hydrostatic transmission with regenerative brake

#18
20190203746
2019-07-04

System for recovering energy from a hydraulic actuator

#19
20190061459
2019-02-28

Compressed air supply system

#20
20180223881
2018-08-09

Hydraulic leak detection system

#21
20180112682
2018-04-26

Electropneumatic positioner and a field device having an electro-pneumatic positioner

#22
20180100290
2018-04-12

Material handling machine with bucket shake control system and method

#23
20180022440
2018-01-25

Horizontal stabilizer trim actuator systems and methods

#24
20170350524
2017-12-07

Control valve device

#25
20170292540
2017-10-12

Hydraulic system for work machine and work machine

#26
20170254308
2017-09-07

Hydrostatic drive

#27
20170191508
2017-07-06

Hydraulic apparatus and hydraulic appliance usable therein

#28
20170023028
2017-01-26

Vacuum powered lifting mechanism

#29
20170009783
2017-01-12

System for selectively bypassing fluid supply to one or more operational systems of a machine

#30
20150354167
2015-12-10

Hydraulic control device and construction machine with same

#31
20150285278
2015-10-08

Vacuum powered lifting mechanism

#32
20150152900
2015-06-04

Control system for construction machine

#33
20150152842
2015-06-04

Wind energy system with a pitch adjustment system

#34
20150107234
2015-04-23

Boom driving apparatus for construction machine

#35
20150082784
2015-03-26

Flushing circuit for hydraulic cylinder drive circuit

#36
20130340418
2013-12-26

Energy Storage Cylinder and Control System for a Moving Structural Member

#37
20130327032
2013-12-12

Hydraulic system and arrangement for an access arrangement

#38
20130291714
2013-11-07

Hydraulic system including priority based valve sequencing

#39
20130283777
2013-10-31

Hydraulic control system having energy recovery

#40
20130160879
2013-06-27

Hydraulic system for controlling a work implement

#41
20130068885
2013-03-21

Landing gear retraction/extension device of aircraft

#42
20120073431
2012-03-29

Digital Hydraulic Controller

#43
20110088785
2011-04-21

SAFETY FEATURE FOR STUCK VALVE

#44
20110071738
2011-03-24

Hybrid construction machine

#45
20100132798
2010-06-03

Control valve actuation

#46
20100126161
2010-05-27

Accumulator system and method of monitoring same

#47
20100050621
2010-03-04

Machine control system having hydraulic warmup procedure

#48
20090260352
2009-10-22

Hydraulic system having load sensing capabilities

#49
20090257891
2009-10-15

Hydraulic system and method for controlling valve phasing

#50
20090255246
2009-10-15

Hydraulic system including open loop and closed loop valve control schemes

#51
20090255245
2009-10-15

Hydraulic system including priority based valve sequencing

#52
20090114284
2009-05-07

Detecting of faults in a valve system and a fault tolerant control

#53
20070084357
2007-04-19

Drive mechanism

#54
20070071609
2007-03-29

Digital pump with multiple outlets

#55
20060086245
2006-04-27

Method and an arrangement for controlling position and/or force of an elongated rolling device