| 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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| 02/13/2014 | DE102012020935A1 Hydraulically controlled circuit for solar collector, has solenoid valve arranged between directional control valve and pressure reservoir, which connects pressure reservoir and hydraulic cylinders during powerless emergency operation |
| 02/12/2014 | CN203430910U Novel power system of anti-explosion tensioner |
| 02/12/2014 | CN203430909U Overflow valve with stop function, running operation hydraulic system and crane |
| 02/12/2014 | CN103573754A Multistage-protection hydraulic device |
| 02/06/2014 | US20140034135 Hydraulic system with a dynamic seal |
| 02/06/2014 | US20140034133 Dynamic seal wear mitigation system |
| 02/06/2014 | DE102007047699B4 Kombiniertes Sicherheitsventil Combined safety valve |
| 02/05/2014 | CN203419653U Self-diagnosis hydraulic braking circuit of elevator |
| 02/05/2014 | CN103562465A Industrial vehicle and control method for industrial vehicle |
| 02/05/2014 | CN103557208A Multi-level adjustable hydraulic oil cylinder |
| 01/30/2014 | WO2014017401A1 Steering device for ship |
| 01/29/2014 | EP2690225A1 Hybrid construction machinery and auxiliary control device used therein |
| 01/29/2014 | EP2689960A1 Mixer drum driving device |
| 01/29/2014 | CN203412851U Safety monitoring module for position of valve element of hydraulic proportional direction valve |
| 01/29/2014 | CN103547746A Fault detection, isolation and reconfiguration systems and methods for controlling electrohydraulic systems used in construction equipment |
| 01/29/2014 | CN103547742A Work machine |
| 01/29/2014 | CN103542088A Efficacy losing protective valve |
| 01/29/2014 | CN103541948A Distributed condition monitoring network system for hydraulic element test beds |
| 01/23/2014 | WO2012168734A3 Improvements to security arrangement methods and computer software |
| 01/22/2014 | CN203404172U Filter with safety valve |
| 01/22/2014 | CN103534420A Hybrid excavator including a fast-stopping apparatus for a hybrid actuator |
| 01/21/2014 | CA2734341C Cone brake no-back |
| 01/15/2014 | CN203394931U 举升油缸 Lift cylinder |
| 01/15/2014 | CN203394894U Spraying pump station |
| 01/15/2014 | CN203389695U Hydraulic system of roller machine |
| 01/09/2014 | DE202012009568U1 Hydraulischer Hubzylinder und Hebesystem mit einem solchen Hubzylinder Hydraulic lifting cylinder and lifting system with such a lifting cylinder |
| 01/08/2014 | EP2681457A1 Methods and apparatus for bypassing a positioner in an active control loop |
| 01/08/2014 | EP2681366A2 Fault detection, isolation and reconfiguration systems and methods for controlling electrohydraulic systems used in construction equipment |
| 01/02/2014 | US20140000737 Zonal hydraulic systems and methods |
| 01/01/2014 | CN203374561U Safety protection system of forging system efficient overloaded operation robot |
| 01/01/2014 | CN203374560U Horizontal buffer system of forging system efficient overloaded operation robot |
| 01/01/2014 | CN203373114U Tube explosion resistant oil hydraulic circuit of vertical lifting mechanism |
| 01/01/2014 | CN103486102A Gate-type bucket-wheel stacker-reclaimer walking beam hoisting mechanism capable of achieving energy-saving control |
| 01/01/2014 | CN103482533A Electric hydraulic lifting car with automatic control system |
| 12/27/2013 | WO2013189566A1 Hydraulic adjusting device |
| 12/25/2013 | CN203362069U Automatic hydraulic pipe arranging device |
| 12/25/2013 | CN103466451A Control device for diesel single-rail crane |
| 12/25/2013 | CN102076975B Fault-tolerant bleed valve assembly |
| 12/25/2013 | CN101878371B Dual redundant servovalve |
| 12/24/2013 | DE102012012142A1 Hydraulische Stelleinrichtung Hydraulic setting device |
| 12/18/2013 | EP2674626A1 Hydraulic circuit |
| 12/18/2013 | EP2673515A1 Load sense control with standby mode in case of overload |
| 12/18/2013 | CN203348230U Flushing valve and closed type hydraulic system |
| 12/18/2013 | CN203348222U High pressure relief protection device of hydraulic system |
| 12/18/2013 | CN203348191U Hydraulic system and crane |
| 12/18/2013 | CN203346029U Electro-hydraulic hoist car with automatic control system |
| 12/18/2013 | CN103459860A Load sense control with standby mode in case of overload |
| 12/18/2013 | CN103459858A Hydraulic circuit for controlling booms of construction equipment |
| 12/18/2013 | CN103459201A Mixer drum driving device |
| 12/18/2013 | CN103452960A Hydraulic system and pressure limiting valve |
| 12/18/2013 | CN103452959A Online comprehensive detection system for oil |
| 12/12/2013 | WO2013183461A1 Construction machine |
| 12/11/2013 | CN203335532U Articulated type safety pin |
| 12/11/2013 | CN203332243U Gravity-center-exceeding locking device of oil cylinder |
| 12/11/2013 | CN103443363A Hybrid construction machinery and auxiliary control device used therein |
| 12/05/2013 | WO2013179517A1 Industrial vehicle and control method for industrial vehicle |
| 12/05/2013 | DE102013008841A1 Valve assembly for secured fluid supply of hydraulic consumer used in hydraulic system, has control valve that is provided in form of 4/2-valves in respective valve unit |
| 12/04/2013 | CN203321942U High pressure alarm switch for vehicles |
| 12/04/2013 | CN203321941U Hydraulic power system provided with dual protection device |
| 12/04/2013 | CN203321940U Safety protection device of energy accumulator |
| 12/04/2013 | CN203321761U Potential energy recovery system for internal combustion forklift |
| 12/04/2013 | CN103423242A Split-type logic flow blocking control method and device thereof |
| 12/04/2013 | CN103423241A Integrated logic flow block control method and device |
| 11/30/2013 | CA2778740A1 Hydraulically-operated actuator for drawworks |
| 11/27/2013 | CN203308833U Hydraulic pump zero load starting device |
| 11/27/2013 | CN203308829U Steering protection device of one-way hydraulic pump |
| 11/21/2013 | DE102012009732A1 Schaltarmaturanordnung Switching valve arrangement |
| 11/20/2013 | EP2664805A2 Switching valve assembly |
| 11/20/2013 | CN203297200U Pressure relief plug |
| 11/20/2013 | CN203297199U Safety protection device for air-cooled oil cooler in hydraulic system |
| 11/20/2013 | CN203297173U Warning device of pressure cylinder of hydraulic pneumatic pressurizing cylinder |
| 11/20/2013 | CN103398047A Overflow valve with stopping function, driving operation hydraulic system and crane |
| 11/20/2013 | CN103398038A Multifunctional three-way flow control valve and hydraulic system of construction machinery |
| 11/20/2013 | CN103397677A Hydraulic excavator movable arm loop based on hydraulic transformer and control method thereof |
| 11/17/2013 | CA2813109A1 Pneumatic cylinder with pressure moderator |
| 11/14/2013 | WO2013168723A1 Solenoid valve system |
| 11/13/2013 | CN203284022U Skip bucket quantitative loading hydraulic control system |
| 11/12/2013 | US8578709 Over-loading prevention device of construction machinery |
| 11/06/2013 | CN203272342U Automatic integrated alarm device of hydraulic system |
| 11/06/2013 | CN203272341U Power-off protection safety casting hydraulic control valve unit |
| 11/06/2013 | CN203272298U Dynamic load differential pressure protective balance valve controlled by three-level overflow valve |
| 11/06/2013 | CN203266473U Pneumatic clamping device |
| 10/31/2013 | DE102012103732A1 Hydraulikanlage einer mobilen Arbeitsmaschine Hydraulic system of a mobile machine |
| 10/30/2013 | EP2657539A2 Hydraulic system for construction machine including emergency control unit for electric hydraulic pump |
| 10/28/2013 | DE202012007215U1 Hydraulikkreislauf und Kran Hydraulic circuit and crane |
| 10/23/2013 | EP2652338A1 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 |
| 10/23/2013 | CN203248453U Stroke deceleration loop device |
| 10/23/2013 | CN203248452U 液压控制系统 The hydraulic control system |
| 10/23/2013 | CN203248450U Oil cylinder overload and failure detection and protection system and oil cylinder with same |
| 10/23/2013 | CN203248428U Variable pump circuit |
| 10/23/2013 | CN103370546A Hydraulic or pneumatic drive for actuating a fitting comprising a control valve or selector valve |
| 10/23/2013 | CN103362897A Early warning protection device of travel motor as well as travel motor and travel machinery |
| 10/23/2013 | CN103362895A Oil inlet system of 160T punch press overload protection hydraulic oil cylinder |
| 10/17/2013 | WO2013152817A1 Air treatment system for the supply of compressed air in utility motor vehicles |
| 10/17/2013 | DE102012205940A1 Hydraulisches System, Verfahren zum Steuern eines derartigen hydraulischen Systems und mobile Arbeitsmaschine mit einem derartigen hydraulischen System Hydraulic system, such a method of controlling a hydraulic system and a mobile work machine with such a hydraulic system |
| 10/17/2013 | DE102012205939A1 Elektrohydraulische Anordnung, Verfahren zur Steuerung der elektrohydraulischen Anordnung und mobile Arbeitsmaschine mit der elektrohydraulischen Anordnung Electrohydraulic assembly method for controlling the electro-hydraulic assembly and the mobile work machine with electro-hydraulic arrangement |
| 10/16/2013 | EP2650574A1 Adjustable pilot-actuated valve |
| 10/16/2013 | EP2649327A1 Fail-safe actuation system |
| 10/16/2013 | CN203239666U Manual-automatic control system with pneumatic double-acting actuator and air storage tank |
| 10/16/2013 | CN103352668A Automatic hydraulic pipe arrangement device |