| 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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| 09/14/2005 | CN1667207A Emergency control method for a work device of a construction equipment |
| 09/07/2005 | EP1055077A4 Two out of three voting solenoid arrangement |
| 09/06/2005 | US6938471 Methods of measuring pressure of hydraulic fluid, methods of evaluating soundness and hydraulic drive devices for carrying out the methods |
| 09/01/2005 | US20050188834 Hydraulic cylinder |
| 09/01/2005 | US20050188687 Actuator |
| 09/01/2005 | DE10355250B4 Method for determining leaks of a pressure fluid in a pressure actuated machine using a mathematical equation relating pressure and flow volume and comparing actual values to a reference value |
| 09/01/2005 | DE102004007667A1 Aktuator Actuator |
| 09/01/2005 | DE102004006683A1 Schalteinheit Switching unit |
| 08/25/2005 | WO2005078318A1 Shifting unit |
| 08/25/2005 | WO2005077731A1 Vehicle steering system |
| 08/25/2005 | US20050184583 Dampened vehicle emergency brake valve |
| 08/24/2005 | EP1566551A1 Dampened vehicle emergency brake valve |
| 08/24/2005 | CN2720173Y Electric-controlled integrated valve for gear box hydraulic system |
| 08/24/2005 | CN1657793A Alarm for hydraulic system, hydraulic system, method of giving an alarm and vehicle incorporating a hydraulic system |
| 08/17/2005 | EP1564417A1 Fluid pressure actuator with mechanical back-up |
| 08/17/2005 | CN1655977A Control system and a vehicle comprising the control system |
| 08/16/2005 | US6930613 Electrical instruments circuits |
| 08/10/2005 | EP1561039A1 Draining of oil leak in a hydraulic cylinder |
| 08/10/2005 | CN1653273A Integrated three function valve |
| 08/04/2005 | WO2005069853A2 Redundant valve system |
| 08/04/2005 | US20050166750 Assembly for a chassis stabilizing system |
| 08/03/2005 | CN2714867Y Pipe rupture protective valve |
| 08/02/2005 | US6923212 Fail safe apparatus for a direct-drive servovalve |
| 08/02/2005 | US6923209 Liquid pressure control system |
| 07/21/2005 | DE10337370B4 Sicherheitsabsperreinrichtung Safety shut-off |
| 07/20/2005 | CN1642763A Drive unit for a motor vehicle stabilizer |
| 07/14/2005 | US20050150554 Redundant valve system |
| 07/13/2005 | EP1190178B1 Switching device for a machine |
| 07/13/2005 | EP1032375B1 Hydraulic directional valve |
| 07/13/2005 | CN2709691Y Autoprotection large speed ratio hydraulic cylinder |
| 07/07/2005 | US20050146211 Methods of measuring pressure of hydraulic fluid, methods of evaluating soundness and hydraulic drive devices for carrying out the methods |
| 07/07/2005 | US20050146115 Control system and a vehicle comprising the control system |
| 07/06/2005 | CN2708022Y Hydraulic system lift loop for solving secondary lifting downslide of crane |
| 06/30/2005 | DE10355250A1 Verfahren und Vorrichtung zur Leckage-Ermittlung Method and apparatus for leak detection |
| 06/23/2005 | US20050137043 Failsafe hydraulic circuit |
| 06/23/2005 | US20050132877 Redundant flow control for hydraulic actuator systems |
| 06/16/2005 | WO2005054629A1 Hydraulic circuit used for longwall face removal |
| 06/15/2005 | CN1206461C Double valve with anticonstrain ability |
| 06/09/2005 | DE10348441A1 Pneumatic safety valve for compressed air systems used in printing industry, located downstream from control valve and actuated by air inside pressurised vessel |
| 06/08/2005 | EP1536960A1 Drive unit for a motor vehicle stabilizer |
| 06/08/2005 | CN1205418C Pipe breakage control valve device |
| 05/31/2005 | US6899491 Hydraulic control arrangement for a pipe relining machine |
| 05/25/2005 | EP1203161B1 Security valve for a press |
| 05/25/2005 | DE102004052073A1 Error-protected hydraulic circuit for preventing simultaneous engagement of first and second friction-engaging elements comprises a device for generating oil pressure, safety valves, and oil-pressure identification devices |
| 05/25/2005 | DE10100652B4 Anordnung zur hydraulischen Betätigung eines bewegten Teils an Fahrzeugen Assembly for hydraulic actuation of a moving part on vehicles |
| 05/25/2005 | CN1619193A Self-regulating brake oil pressure loop |
| 05/17/2005 | US6892534 Electro-hydrostatic actuator with a failsafe system |
| 05/12/2005 | US20050098030 Hydrostatic drive system with a safety device |
| 05/04/2005 | CN2697371Y Pneuamtic control reversing valve |
| 04/26/2005 | US6883273 Hydraulically operated overhead door |
| 04/20/2005 | EP1523626A1 Hydraulic cylinder |
| 04/20/2005 | CN2694019Y Hydraulic overload protection device for press |
| 04/14/2005 | US20050076950 Safety shut-off device |
| 04/13/2005 | EP1522754A1 Emergency fluid pressure supply for a clutch system and vehicle drive line equipped with this emergency fluid pressure supply. |
| 04/13/2005 | CN2692393Y Manual electric dual purpase hydraulic driving device |
| 04/07/2005 | US20050072473 Self-contained hydraulic ESD system |
| 04/07/2005 | US20050072397 Control device for at least one consumer, such as a camshaft adjuster, automatic transmsion and the like, of motor vehicles |
| 04/07/2005 | US20050072144 Hydraulic arrangement and process for its use |
| 04/06/2005 | EP1520994A2 Hydraulic arrangement and related procedure |
| 04/06/2005 | CN2690643Y Progressive pressure regulating conjointed sleeve safety valve |
| 03/30/2005 | EP1404976B1 Hydraulic actuating system and check valve which can be hydraulically blocked |
| 03/29/2005 | US6871834 Circuit for operating a valve closure system |
| 03/24/2005 | DE102004040940A1 Module for a drive stabilizing system for a vehicle, has a fluid pressure actuator which is disconnected from the fluid supply by a locking unit |
| 03/23/2005 | CN1598333A Double valve constructed from unitary single valves |
| 03/17/2005 | WO2004051121A3 Circuit for operating a valve closure system |
| 03/17/2005 | US20050056146 Actuator having both a hydraulic mode and a mechanical mode of operation |
| 03/16/2005 | EP1515053A1 Double valve with anti-tiedown feature |
| 03/16/2005 | EP1515052A2 Dynamically-monitored double valve with retained memory of valve states |
| 03/16/2005 | EP1515051A1 Actuator with two operating modes |
| 03/16/2005 | CN1594899A Dynamically-monitored double valve with retained memory of valve states |
| 03/16/2005 | CN1594898A Dynamically-monitored double valve with anti-tiedown feature |
| 03/16/2005 | CN1594897A Self-protection large gear ratio hydraulic cylinder |
| 03/12/2005 | CA2480210A1 Dual-operating-mode actuator |
| 03/09/2005 | EP1512873A2 Double valve constructed from unitary single valves |
| 03/09/2005 | EP1511667A1 Control system and a vehicle comprising the control system |
| 03/09/2005 | EP1266147B1 Fluidic system with a safety function |
| 03/03/2005 | US20050045234 Double valve constructed from unitary single valves |
| 03/03/2005 | US20050044849 Hydraulic control arrangement for a mobile work machine |
| 03/03/2005 | DE10337370A1 Safety shut-off device for segmenting fluid circuit to prevent fluid escapes has actuators that interact with closure elements and piston to open closure element in chamber with higher pressure when there is chamber pressure difference |
| 03/03/2005 | DE10336684A1 Hydraulische Steueranordnung für eine mobile Arbeitsmaschine A hydraulic control arrangement for a mobile working machine |
| 03/01/2005 | US6860292 Control system for air-operated devices |
| 02/24/2005 | DE10161703B4 Entlüftungseinrichtung für einen Pneumatikantrieb Venting device for a pneumatic actuator |
| 02/23/2005 | CN1584346A Shielding spiral conveyor hydraulic system with proportional feedback control and accumulator oil supplementary |
| 02/17/2005 | DE10334966A1 Pneumatic cylinder press safety circuit has two independent detection switches adjacent to end stroke of press |
| 02/16/2005 | EP1507087A2 Hydraulic control for a mobile working machine |
| 02/10/2005 | US20050029053 Lifting system |
| 02/10/2005 | DE4431871B4 Verfahren und Vorrichtung zur Erfassung einer Anomalität im Hydrauliksystem einer Formteilmaschine Method and apparatus for detecting an abnormality in the hydraulic system of a molding machine |
| 02/09/2005 | EP1504195A1 Integrated three function valve |
| 02/09/2005 | CN1576613A Hydraulic circuit for heavy equipment option apparatus using boom confluence spool |
| 02/09/2005 | CN1576471A Hydraulic circuit for option tool of heavy equipment |
| 02/09/2005 | CA2476660A1 Hydraulic control arrangement for a mobile work machine |
| 02/08/2005 | US6851350 Valve device for a control cylinder |
| 01/27/2005 | WO2005008077A1 Hydraulic control apparatus and hydraulic control method |
| 01/27/2005 | US20050021189 Self-contained electronic pressure monitoring and shutdown device |
| 01/25/2005 | US6845613 Last chance aircraft back-up hydraulic system |
| 01/20/2005 | WO2005005213A1 Method for monitoring a hydro-electrical brake system |
| 01/20/2005 | US20050011188 Electro-hydrostatic actuator with a failsafe system |
| 01/20/2005 | DE10356969A1 HYdraulikschaltung für ein optionales Werkzeug eines schweren Baugeräts Hydraulic circuit for an optional tool of a heavy construction apparatus |
| 01/20/2005 | DE102004031056A1 Hydraulischer Kreislauf für eine optionale Vorrichtung einer schweren Baumaschine, welcher einen Zusammenfluss-Kolben für den Ausleger verwendet Hydraulic circuit for an option apparatus of heavy machinery, which uses a confluence flask for the boom |
| 01/19/2005 | EP1498614A2 Electro-hydrostatic actuator with a failsafe system |