| Patents for F15B 20 - Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems (2,348) |
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| 06/21/2012 | WO2012082018A1 A hydraulic device, a vehicle comprising such a hydraulic device and the use of such a hydraulic device for tilting of a cab arranged on a chassis |
| 06/21/2012 | WO2012081197A1 Apparatus, method and program for controlling elastic actuator drive mechanism |
| 06/21/2012 | DE102010063513A1 Verfahren zur Ansteuerung eines Betätigungsmittels Method for actuating an actuating means |
| 06/20/2012 | CN202280694U Hydraulic pump protection control system and hydraulic crane |
| 06/20/2012 | CN101379301B Safety override circuit for pneumatic positioner and method of use thereof |
| 06/14/2012 | WO2012076178A1 Fail-safe actuation system |
| 06/14/2012 | DE102010053811A1 Störungssicheres Betätigungssystem Interference proof operating system |
| 06/13/2012 | DE202012004649U1 Dreh- und/oder Linearaktor Rotational and / or linear actuator |
| 06/06/2012 | CN202266540U 一种用于流量放大阀上的安全阀 A safety valve for flow amplifying valve |
| 05/31/2012 | WO2012070392A1 Hydraulic cylinder system |
| 05/30/2012 | EP2458227A1 Hydraulic power unit with auto-load sensing |
| 05/30/2012 | CN202251248U Controller and device for detecting hydraulic valve, device for detecting fault of hydraulic circuit and fault processing system |
| 05/30/2012 | CN101922480B Hydraulic reversing valve with overloading protecting function during pressure maintaining |
| 05/30/2012 | CN101634320B Hydraulic equipment pipeline burst online safe continuous working system |
| 05/24/2012 | WO2012067276A1 Hydraulic cylinder with variable cushion orifice |
| 05/24/2012 | DE10342789B4 Hydrostatisches Antriebssystem mit einer Sicherheitseinrichtung Hydrostatic drive system having a safety device |
| 05/24/2012 | DE102007041583B4 Ventileinrichtung Valve means |
| 05/23/2012 | EP2454507A1 Safety rupture valve |
| 05/23/2012 | CN202229980U Hydraulic pressurizing system of testing machine |
| 05/23/2012 | CN202228476U Safety hydraulic valve |
| 05/23/2012 | CN202227861U Smoke baffle door driving transmission system |
| 05/23/2012 | CN101865183B Service valve |
| 05/23/2012 | CN101694223B Air pressure relief switch |
| 05/23/2012 | CN101622460B Safety device for hydraulic working machine |
| 05/18/2012 | WO2012062404A1 Hydraulic or pneumatic drive for actuating a fitting comprising a control valve or selector valve |
| 05/18/2012 | WO2011141086A3 Hydraulic valve |
| 05/16/2012 | EP2452080A1 Electro-hydraulic controller |
| 05/16/2012 | CN102459923A 使用估计的传感器值控制流体回路 The sensor using the estimated value of the control fluid circuit |
| 05/16/2012 | CN101490426B A hydraulic connection assembly with a pressure discharge control, positionable between an onboard hydraulic circuit of an engineering vehicle and a removable hydraulic equipment |
| 05/15/2012 | CA2635477C An actuator arrangement and a method of operating an actuator |
| 05/10/2012 | DE102011116472A1 Hydraulischer oder pneumatischer Antrieb zur Betätigung einer Armatur mit einem Regel- oder Schaltventil Hydraulic or pneumatic actuator for actuating a valve with a control or switching valve |
| 05/02/2012 | EP2446153A2 Control circuit for a pneumatic or hydraulic actuator |
| 05/02/2012 | CN102434534A Working state monitoring device and method for servo hydraulic system |
| 04/26/2012 | WO2012053534A1 Work vehicle |
| 04/25/2012 | CN101907119B 带有卸荷溢流阀的铰接螺栓 With unloading relief valve hinge bolt |
| 04/18/2012 | CN202194887U 一种液压件高压试验安全防护装置 A hydraulic parts high voltage test safety devices |
| 04/18/2012 | CN101210581B Self-reducing resisting hydraulic cylinder |
| 04/12/2012 | WO2012046677A1 Hybrid construction machine |
| 04/11/2012 | EP2438310A1 Pneumatic safety valve device |
| 04/11/2012 | CN102410283A 伺服作动器液压保护模块结构 Hydraulic servo actuator module structure protection |
| 04/04/2012 | CN102400979A 故障待定状况中对车辆中管线压力进行管控的系统和方法 Pending fault condition in the vehicle in the line pressure control system and method of |
| 03/29/2012 | CA2752383A1 Manually-actuated hydraulic shutoff valve |
| 03/14/2012 | CN101943202B Link bolt with pilot type reducing valve |
| 03/14/2012 | CN101893025B Link bolt capable of maintaining stable internal hydraulic pressure |
| 03/08/2012 | WO2012030003A1 Hydraulic circuit for construction equipment |
| 03/08/2012 | WO2012007739A3 Adjustable pilot-actuated valve |
| 03/08/2012 | WO2011127153A3 Energy storage device, actuator and method |
| 03/07/2012 | EP1504195B1 Integrated three function valve |
| 03/07/2012 | CN101691877B Servo motor control-based multi-pump combination controlled hydraulic power system |
| 02/29/2012 | CN101927961B Two-valve grab hydraulic control system protection device |
| 02/23/2012 | WO2012023229A1 Filter clogging detectiion device of construction machinery |
| 02/23/2012 | DE102010034612A1 Hydraulic drive, particularly for actuating armature, has cylinder with spring set, where cylinder is driven by hydraulic machine |
| 02/15/2012 | EP2417365A1 Control of a fluid circuit using an estimated sensor value |
| 02/08/2012 | CN202140376U 液压系统维修抢修箱 Hydraulic system maintenance and repair box |
| 01/24/2012 | DE202011109158U1 Elektrohydraulische Sicherheitssteuerung Electro-hydraulic safety control |
| 01/11/2012 | CN102312633A Drive transmission system for smoke gas baffle plate door |
| 01/04/2012 | EP2276935B1 Control device and method for a quick-acting gate valve of a steam turbine |
| 01/04/2012 | CN202100545U Hydraulic valve platform provided with safety protection function |
| 01/04/2012 | CN102305225A Self-locking compact sliding mechanism |
| 12/28/2011 | CN102301171A 具有打开/关断阀的调节装置 Having an open / shut-off valve adjusting device |
| 12/21/2011 | EP2396498A1 Autochoke system |
| 12/21/2011 | CN101542137B 液压气动单元 Hydraulic and pneumatic unit |
| 12/07/2011 | CN202065279U 一种救援清障车液压设备的过载保护装置 One kind of rescue equipment wrecker hydraulic overload protection device |
| 11/24/2011 | WO2011145585A1 Hybrid construction machinery |
| 11/23/2011 | CN202048040U Novel hydraulic safety valve |
| 11/17/2011 | WO2011142447A1 Rotating parking brake control device for construction machinery |
| 11/16/2011 | CN202040153U Oil cut-off braking hydraulic motor |
| 11/16/2011 | CN102245907A Fluid flow control apparatus for hydraulic pump of construction machine |
| 11/16/2011 | CN101287915B Servo valve for assisting a pedal operation |
| 11/09/2011 | EP2384956A1 Vehicle with tilt cab exhibiting a double acting cylinder with rupturable element to release the pressure in the case of a collision |
| 11/02/2011 | EP2382411A1 Actuator device having an open/close valve |
| 10/19/2011 | EP2378134A1 Fluid flow control apparatus for hydraulic pump of construction machine |
| 10/05/2011 | CN101761525B Bypass cutoff hydraulic lock |
| 10/04/2011 | US8028717 High throughput double valve with reduced outlet pressure during a faulted state |
| 10/01/2011 | CA2734341A1 Cone brake no-back |
| 09/21/2011 | CN201982412U 压力报警装置 Pressure warning device |
| 09/21/2011 | CN102189520A Gated unloading device of opening type hydraulic power clamp |
| 09/15/2011 | WO2011112209A1 Double valve constructed from unitary single valves |
| 09/15/2011 | WO2010149446A3 Control circuit for a pneumatic or hydraulic actuator |
| 09/14/2011 | CN102187102A Safety gripping device for two actuators |
| 09/07/2011 | CN201963193U 旋挖钻机的液压泵保护系统 Rotary drilling rig pump protection system |
| 08/22/2011 | CA2696073A1 Wind turbine generator and soundness diagnosis method thereof |
| 08/18/2011 | WO2011099214A1 Hydraulic excavator attachment control device |
| 08/18/2011 | DE102010008636A1 Vorrichtung zum Bereitstellen eines Versorgungsdruckes Apparatus for providing a supply pressure |
| 08/17/2011 | CN201934425U 弹跳辊张力超限液压系统保护装置 Bounce roller tension gauge hydraulic system protection devices |
| 08/10/2011 | EP2354564A1 Hose rupture proofing for hydraulically actuated lifting devices |
| 08/10/2011 | EP2354563A1 Valve assembly |
| 08/10/2011 | CN201925255U Balancing valve with secondary pressure buffering protection function |
| 08/10/2011 | CN102146942A Overload protecting system of hydraulic device of rescuing and obstacle-clearing car |
| 08/10/2011 | CN101259444B Discharge outlet adjustment device for heavy type hydraulic jaw crusher |
| 08/03/2011 | EP2349762A1 Hydraulic actuating device for a convertible top unit of a vehicle |
| 07/27/2011 | CN201908882U Pinion-and-rack type three-position four-way hydraulic rotary valve |
| 07/26/2011 | US7984670 Hydraulic distributor provided with a device for detecting seizing |
| 07/13/2011 | CN201896815U Hydraulic pump station used for rail welding vehicle |
| 07/07/2011 | WO2011081722A1 Apparatus to increase a force of an actuator having an override apparatus |
| 07/07/2011 | CA2785153A1 Apparatus to increase a force of an actuator having an override apparatus |
| 07/06/2011 | CN201891696U Lightning protection device for hydraulic cylinder of wind turbine generator system |
| 07/06/2011 | CN102116256A Safe pressurizer of wind power generation hydraulic system |
| 07/05/2011 | CA2726891A1 Apparatus and method for monitoring a hydraulic pump on a material handling vehicle |
| 06/30/2011 | DE102009060225A1 Hydraulische Anordnung Hydraulic arrangement |