ClassID:

146406

F15B2211/613 - CPC Classification

Classification description:

Circuits for servomotor systems; Circuit components or control therefor; Secondary circuits Feeding circuits

Recent Application in this class:
#1
20220307524
2022-09-29

Optimizing mode transitions between dual power electro-hydrostatic control systems

#2
20220154738
2022-05-19

Work machine and control method

#3
20220145578
2022-05-12

Construction machine

#4
20220136535
2022-05-05

Hydraulic circuit including hydraulic decompression energy reclamation

#5
20220074170
2022-03-10

Construction machine

#6
20220003250
2022-01-06

Electro-hydrostatic actuator system

#7
20210252687
2021-08-19

System for actuating at least two consumer units by means of a hydraulic motor

#8
20210239136
2021-08-05

Hydraulic axis with energy storage feature

#9
20210102626
2021-04-08

Hydraulic system of work machine and work machine

#10
20210054592
2021-02-25

Hydraulic drive system for work machine

#11
20200256353
2020-08-13

Logic-controlled flow compensation circuit for operating single-rod hydrostatic actuators

#12
20200224764
2020-07-16

Hydraulic system of work machine and work machine

#13
20200132091
2020-04-30

Servohydraulic drive

#14
20190352884
2019-11-21

Construction machine

#15
20190277313
2019-09-12

Valve device

#16
20190145433
2019-05-16

Auxiliary system for vehicle implements

#17
20190090407
2019-03-28

Semi-closed loop hydraulic system for material application machines

#18
20190072178
2019-03-07

Hydrostatic valve arrangement, hydrostatic gear having the valve arrangement, and hydrostatic drive having the gear

#19
20180266447
2018-09-20

Pump-controlled hydraulic circuits for operating a differential hydraulic actuator

#20
20180223879
2018-08-09

Pressure limiting device, in particular for an assist system for vehicles

#21
20180215116
2018-08-02

Residual load relief system for hydraulic compactors having rotary pumps

#22
20170321727
2017-11-09

HYDRAULIC CIRCUIT COMPRISING A VERY-LOW-PRESURE RESERVOIR PLACED UNDER NEGATIVE PRESSURE

#23
20170184139
2017-06-29

Method of controlling velocity of a hydraulic actuator in over-center linkage systems

#24
20170159679
2017-06-08

Hydraulic system of work machine and work machine

#25
20170159678
2017-06-08

System having combinable transmission and implement circuits

#26
20170107691
2017-04-20

Method for controlling swing motor in hydraulic system and hydraulic system

#27
20170073931
2017-03-16

Work machine

#28
20170016208
2017-01-19

Work machine

#29
20160333903
2016-11-17

Hydraulic system having regeneration and hybrid start

#30
20160333552
2016-11-17

Closed-circuit hydraulic system for construction machine

#31
20160102686
2016-04-14

Hydraulic system for construction equipment

#32
20160091004
2016-03-31

Method for controlling pressure in a hydraulic actuator

#33
20160076558
2016-03-17

Method of increasing electro-hydrostatic actuator piston velocity

#34
20150330474
2015-11-19

Hydraulic system

#35
20150300384
2015-10-22

Hydraulic system having energy recovery

#36
20150292526
2015-10-15

Hydraulic driving system

#37
20150275445
2015-10-01

Vehicle for line marking

#38
20150096290
2015-04-09

Hydraulic system

#39
20150075150
2015-03-19

Closed hydraulic circuit

#40
20140366519
2014-12-18

Hydraulic closed circuit system

#41
20140345265
2014-11-27

Hydraulic drive system

#42
20140283510
2014-09-25

Hydraulic drive system

#43
20140245734
2014-09-04

Hybrid excavator having a system for reducing actuator shock

#44
20140212305
2014-07-31

Drive train of a vehicle

#45
20140130487
2014-05-15

Hydraulic drive system

#46
20140123639
2014-05-08

Hydraulic drive system

#47
20140033698
2014-02-06

METERLESS HYDRAULIC SYSTEM HAVING FORCE MODULATION

#48
20140033697
2014-02-06

METERLESS HYDRAULIC SYSTEM HAVING FORCE MODULATION

#49
20140033689
2014-02-06

METERLESS HYDRAULIC SYSTEM HAVING FORCE MODULATION

#50
20140026550
2014-01-30

Hydraulic energy recovery system

#51
20130276439
2013-10-24

Hydraulic pump system and method of operation

#52
20130236272
2013-09-12

Hydraulic system and crane

#53
20130213030
2013-08-22

Hydrostatic drive system

#54
20130139678
2013-06-06

Hydraulic drive system for hydraulic working machine

#55
20130098464
2013-04-25

Closed-loop hydraulic system having regeneration configuration

#56
20130098024
2013-04-25

Hydraulic system

#57
20130098020
2013-04-25

Meterless hydraulic system having flow sharing and combining functionality

#58
20130098019
2013-04-25

Meterless hydraulic system having flow sharing and combining functionality

#59
20130098018
2013-04-25

Hydraulic system

#60
20130098017
2013-04-25

Hydraulic system

#61
20130098016
2013-04-25

Meterless hydraulic system having flow sharing and combining functionality

#62
20130098010
2013-04-25

Closed-loop hydraulic system having priority-based sharing

#63
20130091837
2013-04-18

Hydraulic transmission system for zero-turn vehicle

#64
20130081704
2013-04-04

Meterless hydraulic system having multi-actuator circuit

#65
20130081386
2013-04-04

System and method for controlling charging of an accumulator in an electro-hydraulic system

#66
20130048117
2013-02-28

Meterless hydraulic system having displacement control valve

#67
20130047599
2013-02-28

Meterless hydraulic system having load-holding bypass

#68
20130047592
2013-02-28

Meterless hydraulic system having restricted primary makeup

#69
20130028695
2013-01-31

HYDRAULIC CIRCUIT AND WORKING MACHINE INCLUDING THE SAME

#70
20130004280
2013-01-03

Hydraulic control system having swing motor energy recovery

#71
20130000292
2013-01-03

Electronic high hydraulic pressure cutoff to improve system efficiency

#72
20130000289
2013-01-03

Hydraulic control system having swing motor energy recovery

#73
20130000094
2013-01-03

Hydraulic control system having energy recovery kit

#74
20120324875
2012-12-27

OPTIMIZED SYSTEM RESPONSE WITH MULTIPLE COMMANDS

#75
20120304636
2012-12-06

Hydraulic fan circuit

#76
20120304631
2012-12-06

Hydraulic fluid system

#77
20120260642
2012-10-18

Load holding for meterless control of actuators

#78
20120260641
2012-10-18

Overrunning pump protection for flow-controlled actuators

#79
20120220426
2012-08-30

Charge bypass system for engine start

#80
20120144820
2012-06-14

Supplementary boosting for hydrostatic transmission circuit

#81
20120055149
2012-03-08

SEMI-CLOSED HYDRAULIC SYSTEMS

#82
20110209471
2011-09-01

Velocity control of unbalanced hydraulic actuator subjected to over-center load conditions

#83
20110208363
2011-08-25

Method of controlling an electro-hydraulic actuator system having multiple actuators

#84
20110100717
2011-05-05

Absorber-replenisher in a hydrostatic circuit

#85
20110030364
2011-02-10

Flow management system for hydraulic work machine

#86
20100319335
2010-12-23

Hydraulic system

#87
20100193714
2010-08-05

HYDRAULIC ACTUATOR

#88
20100024412
2010-02-04

Control apparatus for working vehicle

#89
20090308066
2009-12-17

Motor control device for construction machinery

#90
20090266072
2009-10-29

Hydraulic reversing fan valve and machine using same

#91
20090249776
2009-10-08

Lock valve with grooved porting in bore

#92
20090235658
2009-09-24

Inertial body drive system

#93
20090221197
2009-09-03

Tilt and trim device for outboard motor

#94
20090158725
2009-06-25

Hydraulic pump with control system

#95
20090133393
2009-05-28

METHOD FOR OPERATING A HYDROPNEUMATIC DEVICE, AND HYDRAULIC FLUID PUMP FOR THE MAINTENANCE OF A HYDROPNEUMATIC DEVICE

#96
20090101216
2009-04-23

Scavenging Valve for a Hydraulic Circuit

#97
20090007462
2009-01-08

Hydraulic system with thermal shock protection

#98
20090001300
2009-01-01

Directional control valve device and fluid pressure cylinder device

#99
20080238187
2008-10-02

Hydrostatic drive system with variable charge pump

#100
20080236153
2008-10-02

Method for operating a multiple speed hydraulic motor

#101
20080178587
2008-07-31

Anti-cavitation manifold for drive coupled, dual motor reversible hydraulic drive winding and unwinding systems

#102
20080164115
2008-07-10

Hydraulic circuit for controlling a hybrid clutch and an automatic transmission of a motor vehicle

#103
20080163619
2008-07-10

Hydraulic fluid cooling apparatus and method

#104
20080141668
2008-06-19

Electrohydraulic drawing press cushion drive

#105
20080072589
2008-03-27

Hydraulic drive

#106
20070295416
2007-12-27

Hydraulic circuit for actuation of a hydraulic working cylinder

#107
20070209502
2007-09-13

Dual-effect hydraulic actuator handling system for gate moving

#108
20070204608
2007-09-06

Hydraulic drive, in particular for two-cylinder thick matter pumps

#109
20070119162
2007-05-31

Hydrostatic drive system

#110
20070102223
2007-05-10

Hydraulic power unit

#111
20070062186
2007-03-22

Auxiliary pump for hydrostatic transmission

#112
20060242957
2006-11-02

Orifice element with integrated filter, slow return valve, and hydraulic drive unit

#113
20060207247
2006-09-21

Actuator

#114
20060174614
2006-08-10

Control devices for swashplate type variable displacement piston pump

#115
20060168956
2006-08-03

Hydraulic controller and hydraulic drive unit provided with said hydraulic controller

#116
20060070377
2006-04-06

Dual, coupled check valve for direct drive, reversible power sources for hydraulic systems

#117
20060021341
2006-02-02

Hydraulic system

#118
20050144939
2005-07-07

Hydraulic actuating device for a convertible top assembly of a vehicle

#119
20050132701
2005-06-23

Pressurized hydraulic fluid system with remote charge pump

#120
20050109026
2005-05-26

Open hydraulic circuit including a relief valve device