Patents
Patents for F15B 21 - Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass (10,959)
03/2005
03/23/2005CN2687431Y Piston limiting valve for hydraulic cylinder
03/22/2005US6868868 Manifold regulator apparatus
03/17/2005WO2005024246A1 Working machine driving unit
03/17/2005WO2005024245A1 Control system and method for supplying pressure means to at least two hydraulic consumers
03/17/2005US20050056331 Device for damping pressure pulsations and a hydraulic unit equipped with this device
03/17/2005US20050056078 Multi-purpose hydraulic tool
03/17/2005DE10339190A1 Ball cutter has swivel mounted bottom cutter with hydraulic drive with hydraulic cylinder, rotational drive, swivel cylinder and swivel motor with pulsating movement produced through two independent hydraulic pressures
03/17/2005DE10012389B4 Arbeitsmaschine Working machine
03/16/2005CN2685625Y Large power closed system
03/16/2005CN2685624Y Ring Multi-rod hydraulic cylinder
03/10/2005WO2005021978A1 Hydraulically controlled valve comprising at least one hydraulic drive unit
03/10/2005US20050051025 Valve arrangement and hydraulic drive
03/10/2005US20050051014 Tool arrangement and application of said tool arrangement
03/09/2005EP1266147B1 Fluidic system with a safety function
03/09/2005CN2683462Y Vehicle hydraulic oil preheating device
03/09/2005CN1590764A 压缩空气供应系统 Compressed air supply system
03/03/2005WO2005019656A1 Hydraulic drrive control device
03/03/2005DE10308183B4 Elektronische Einrichtung zur Ansteuerung von in einer Ventileinheit gruppiert angeordneten Ventilen Electronic device for controlling a valve unit grouped valves arranged
03/02/2005CN2682236Y Liquid controlling device for electric control hydraulic actuator
03/02/2005CN1587716A Passive fluid power control method and its control system
03/02/2005CN1191434C Method adn device for supplying electrical power to electrical consumers in or on a pneumatic device
03/01/2005US6860068 Potential energy storage system
02/2005
02/24/2005WO2005017367A1 Device and process for circulation of pressurized fluid in an actuator system
02/24/2005WO2005017301A2 Electroactive fluid controlled mud pulser
02/24/2005US20050042121 Hydraulic equipment
02/24/2005US20050039805 Spool-type hydraulic directional control valve having reduced cavitation
02/24/2005DE202004018237U1 Valve arrangement for plastic bottle blow molding assembly has main valve limiting air supply
02/24/2005DE10336165A1 Schalteinrichtung Switching device
02/24/2005DE10332778A1 Werkzeuganordnung und Verwendung der Werkzeuganordnung Tool assembly and use of the tool assembly
02/24/2005DE10330344A1 Active hydraulic spring, especially for a cantilever arm of a loading vehicle, has a control unit that monitors the position of a cylinder piston using a sensor and controls a regulatable pressure limiting unit accordingly
02/23/2005EP1507980A1 Hydraulic control in a hydraulic system, especially for the operation of scrap cutters
02/23/2005CN2680913Y Direct moving type hydraulic overflow valve having valve port dynamic pressure feedback
02/23/2005CN1584347A Magnetic flow liquid variable controllnig valve with two liquid flow resistance channels
02/23/2005CN1190601C Load sensing hydraulic system for controlling six-way multipe unit valve
02/22/2005US6858134 Fluid filtration system including replaceable filter module
02/22/2005US6858066 Air dryer module
02/17/2005WO2005015062A1 Hst drive circuit
02/17/2005WO2005015029A1 Hydraulic drive apparatus
02/17/2005WO2004094892A3 Inherently safe system for supplying energy to and exchanging signals with field devices in hazardous areas
02/17/2005US20050036894 Construction machine
02/17/2005US20050036845 Machining apparatus with coolant-operated clamp device
02/17/2005DE10332803A1 Pneumatisches-Hydraulisches-Antriebssystem Pneumatic-hydraulic drive system
02/17/2005DE10330869A1 Hydraulisches System Hydraulic system
02/16/2005CN1579699A Clamping device for machine tool
02/15/2005US6854269 Noise attenuation in a hydraulic circuit
02/15/2005US6854268 Hydraulic control system with energy recovery
02/10/2005US20050028522 Magnetorheological fluid controlled mud pulser
02/10/2005DE202004017891U1 Filter unit for filtering compressed air comprises filter housing with primary and secondary channels, filter element and indicator unit
02/09/2005EP1505324A1 Switching device
02/09/2005EP1504977A1 Compressed air supply system
02/09/2005EP1504806A2 Gas purification device
02/09/2005CN2677679Y Six-freedom hydraulic servo platfrom with ball socket
02/09/2005CN1576632A Electrical loop flushing system
02/09/2005CN1576612A Oil-way change valve with oil filter
02/08/2005US6851350 Valve device for a control cylinder
02/08/2005US6851207 Construction machinery
02/03/2005DE10332120A1 Steueranordnung und Verfahren zur Ansteuerung von wenigstens zwei hydraulischen Verbrauchern Control system and method for controlling at least two hydraulic consumers
02/03/2005DE10331215A1 Fluid-cooling device for hydraulic circuits of driving engines or machine tools comprises a feed reservoir partly surrounding a ventilation wheel and forming a preferably plastic ventilation housing
02/03/2005DE102004031996A1 Öldurchlassschaltventil mit Ölfilter Oil passage switching valve with oil filter
02/02/2005EP1402178B1 Expansible polymer clamping device
02/02/2005CN2675879Y Concrete pump fan driving system
02/02/2005CN1573132A Hydraulic control system of a six-speed automatic transmission for a vehicle
02/02/2005CN1573126A Control device for working machine
02/02/2005CN1187534C Filter device of hydraulic systems
02/02/2005CN1187111C Method and device for cleaning air in a compressed air system
02/01/2005US6850828 Control apparatus and control method for a forklift and forklift
02/01/2005US6848473 Low leak boom control check valve including an insert
01/2005
01/27/2005WO2005008076A1 Method and arrangement for controlling at least two hydraulic consumers
01/27/2005WO2005007510A1 Apparatus for servicing hydraulic systems
01/27/2005WO2005007437A2 Pneumatic-hydraulic driving system
01/27/2005US20050018096 Liquid crystal flow forming mechanism, method of forming same, and object moving mechanism using liquid crystal flow
01/27/2005US20050016375 Mechanism for switching between closed and open center hydraulic systems
01/27/2005US20050016169 Mobile handling device
01/27/2005US20050016168 Hydraulic drive system and improved control valve assembly therefor
01/27/2005US20050016167 Hydraulic drive system and improved filter sub-system therefor
01/27/2005DE19704799B4 Schnellentlüftungsventil für pneumatische Anwendungen Quick exhaust valve for pneumatic applications
01/27/2005DE10328541A1 Hydropneumatic element esp. for track tensioner of esp. military tracked vehicles has electrical pre-heating element to adjust gas operating temperature in element before vehicle is started
01/26/2005EP1347814A4 Filter dehydrator
01/26/2005CN2674205Y Piston rod of hydraulic machine
01/26/2005CN1570405A Axial triangular through groove type pure water hydraulic throttle valve
01/26/2005CN1186546C Static water pressure loop pressure regulation valve
01/25/2005US6845614 Hydraulic valve system
01/25/2005US6845613 Last chance aircraft back-up hydraulic system
01/20/2005WO2005005843A1 Fluid cooling device
01/20/2005WO2005005842A1 Hydraulic system
01/20/2005WO2005005792A2 Methods and systems for performing, monitoring and analizing multiple machine fluid processes
01/20/2005US20050011703 Oil passage switching valve having oil filter
01/20/2005US20050011190 Hydraulic active boom suspension for a telehandler
01/20/2005DE202004011911U1 Method for cooling and filtering hydraulic fluid in a recirculating system has a one piece module fitted to a hole in the hydraulic tank wall and incorporating a filter cartridge and a heat exchanger for a cooling circuit
01/20/2005DE10329907A1 Determining temperature of solenoid control valve in vehicle automatic transmission, based on reference resistance of coil at reference temperature, and temperature coefficient of coil material
01/19/2005EP1498204A2 Tool asseembly comprising a first and a second circuit for the actuating means
01/19/2005EP1497563A1 Passive control element
01/19/2005EP1497562A1 Wind turbine, hydraulic system, air bleed system and method of controlling at least two wind turbine blades
01/19/2005CN2672345Y Main control type two-way insert valve
01/19/2005CN1566717A Method and device for attenuating the motion of hydraulic cylinders of mobile work machinery
01/13/2005US20050005600 Electrical loop flushing system
01/13/2005DE10328177A1 Fluid-cooling device for hydraulic circuits of driving engines or machine tools comprises a feed reservoir partly surrounding a ventilation wheel and forming a preferably plastic ventilation housing
01/12/2005EP1496009A1 Hydraulic suspension
01/12/2005CN2670681Y Direction-adjustable sealed joint
01/12/2005CN2670647Y Two position and three way proportioning valve with pressure feedback
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