Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384)
03/2004
03/18/2004DE10241804A1 Verfahren zum Steuern eines pneumatisch oder hydraulisch betätigten Aktuators A method for controlling a pneumatically or hydraulically operated actuator
03/18/2004DE10240334A1 Linear actuator has a piston in a cylinder with a piezoelectric pump to convey hydraulic fluid from one side of the piston to the other in precise amounts
03/18/2004DE10233358B3 Regelverfahren zum Druckaufbau mittels Druckübersetzern, insbesondere zum Prüfen der Druckfestigkeit von Rohren Control method for pressure build-up by means of pressure intensifiers, especially for testing the compressive strength of tubes
03/17/2004EP1398602A2 Device for measuring and controlling the position of a lifting platform
03/17/2004EP1398512A1 Hydraulic driving unit for working machine, and method of hydraulic drive
03/17/2004EP1398105A1 Two-stage actuating cylinder, particlulary for opering a welding gun
03/16/2004US6705082 Hydraulic pressure booster cylinder
03/16/2004US6705079 Apparatus for controlling bounce of hydraulically powered equipment
03/16/2004CA2323119C Inertia load dampening hydraulic system
03/11/2004US20040045785 Apparatus for controlling a plurality of hydraulic motors and clutch
03/11/2004US20040045755 Hydraulic tilting device for tilting a vehicle cab, and vehicle provided with tilting device of this type
03/11/2004US20040045289 Swing control apparatus for swing type hydraulic shovel
03/10/2004EP1396642A1 Method of controlling a pneumatic or hydraulic actuator
03/10/2004CN2606206Y Multifunctional cleaning polisher head
03/09/2004US6702010 Apparatus and method for actuating arms
03/09/2004US6701823 Method and device for controlling a lift cylinder, especially of working machines
03/09/2004US6701822 Independent and regenerative mode fluid control system
03/04/2004WO2004018877A1 Signal processing device of construction machinery
03/04/2004WO2003086942A3 Method and apparatus for synchronizing a vehicle lift
03/04/2004US20040040763 Hydraulic tilting device for tilting a vehicle cab
03/04/2004US20040040294 Hydraulic controller
03/03/2004EP1392982A1 A method and device for fine filtering
03/03/2004EP1392539A1 System for opening and closing a folding top or displaceable vehicle roof on a convertible vehicle
03/03/2004EP1274526B1 Method and drive system for the control/regulation of linear pressure/cast movement
03/03/2004CN1479840A Change-over valve for boom cylinder of excavating slewing work truck
03/03/2004CN1479016A Two-cylinder system of hydralic headstock gear synchronous power expansion
03/02/2004US6699311 Hydraulic quick drop circuit
03/02/2004US6698523 Electrohydraulic control system for implement lift cylinders
03/02/2004US6698305 Linear module
03/02/2004US6698196 Drive circuit for fluid motor
02/2004
02/26/2004WO2004016954A1 Reversible, modular fluid actuator with an integrated fluid manifold
02/26/2004WO2004016373A1 Method and device for controlling injection molding
02/26/2004US20040035103 Plural pressure oil energies selective recovery apparatus and selective recovery method therefor
02/26/2004DE20215838U1 Computerisierte elektrohydraulische Proportional-Steuervorrichtung Computerized electrohydraulic proportional control device
02/25/2004EP1309801B1 Valve
02/25/2004EP1290351B1 Hydraulic control device
02/25/2004EP1181458B1 Hydraulic drive with several hydraulic consumers also comprising a differential cylinder
02/25/2004CN1478179A Fluid management system for controlling cylinder-piston assembly
02/24/2004US6695567 Hydraulic device for industrial vehicles
02/24/2004US6694860 Hydraulic control system with regeneration
02/24/2004US6694859 Variable pressure relief valve
02/24/2004US6694803 Method and system for determining the actuating pressure of a servo cylinder actuated by pressurized fluid
02/24/2004CA2255525C Low noise hydraulic power unit for an auto hoist lift
02/19/2004US20040033141 Method and drive system for the control/regulation of linear pressure/cast movement
02/19/2004US20040032163 Hydraulic motor device with displacement selector and a braking system
02/19/2004US20040031173 Hydraulic control circuit of boom cylinder in work machine
02/19/2004DE4324177B4 Hydraulische Steuervorrichtung Hydraulic control device
02/19/2004DE19912984B4 Hydraulische Betätigungseinrichtung für Schwingungstestgeräte Hydraulic actuator for vibration test equipment
02/19/2004DE19808320B4 Hydraulikdruckregelsystem für ein Fahrzeug Hydraulic pressure control system for a vehicle
02/18/2004EP1389686A1 Electro-hydraulic brake module
02/18/2004EP1389685A2 Control block with logic valves
02/18/2004EP1389653A1 Operation device for mechanisms associated to locks and for flow control of rivers
02/18/2004EP1263673B1 Working machine
02/18/2004EP0879968B1 Hydraulic drive apparatus
02/18/2004CN1475098A Working machine for paddy field
02/18/2004CN1138932C Electrohydraulic system and apparatus with bidirectional electric-motor hydraulic-pump unit
02/17/2004US6691801 Load compensator for a pipe running tool
02/17/2004US6691604 Hydraulic system with an actuator having independent meter-in meter-out control
02/17/2004US6691603 Implement pressure control for hydraulic circuit
02/17/2004US6691510 Pipe breakage control valve device
02/12/2004US20040028543 Hydraulic pressure intensifier
02/12/2004US20040026641 Cylinder apparatus
02/12/2004DE20318192U1 Flow limiting valve with integral non return valve has a valve insert with adjustable spacing to a flow control profile and with an elastic non return valve ring
02/12/2004DE10329067A1 Hydraulischer Antrieb Hydraulic drive
02/12/2004DE10327132A1 Hydraulikschaltung für eine Ausleger-Zylinder-Kombination, welche eine Umlauffunktion aufweist Hydraulic circuit for a boom cylinder combination, which has a circulation function
02/12/2004DE10317412A1 Hydraulic system has a number of hydraulic actuators supplied fro common pressure converter with electromechanical control stages coupled to central unit
02/11/2004EP1388768A2 Fluid drive for linearly sliding parts, with programmable electronic cams
02/11/2004EP1388672A2 Pilot operated control valve having a poppet with integral pressure compensating mechanism
02/11/2004EP1388671A1 Fluid pressure circuit control system
02/11/2004EP1388670A1 Hydraulic driving unit
02/11/2004EP1388404A1 Hydraulic assembly for an injection moulding machine
02/11/2004EP1387972A1 Sequence controlled hydraulic cylinders
02/11/2004EP1387932A2 Dual displacement motor control
02/11/2004EP1387908A1 Dampening apparatus
02/11/2004EP1387654A1 Lift device with variable speed actuation
02/11/2004EP0921320B1 Hydraulic drive device and direction switchover valve for hydraulic machine
02/11/2004EP0877168B1 Hydraulic drive system
02/11/2004CN1474918A Hydraulically driven car
02/11/2004CN1474763A Hydraulic tilting device for tilting vehicle cab and vehicle provided with tilting device of this type
02/11/2004CN1473751A Hydraulic system controlled by electricity for lowering crane frame under emergency condition
02/10/2004US6688452 Driver and automatic pallet changer having the same
02/10/2004US6688102 Traveling control device
02/05/2004WO2004011812A2 Actuator control system for hydraulic devices
02/05/2004US20040021103 Pilot operated control valve having a poppet with integral pressure compensating mechanism
02/05/2004US20040020561 Hydraulic control system for tree cutting saw
02/05/2004US20040020531 Device and method for the pneumatic control, and regulation of hydraulic fluid flows
02/05/2004US20040020197 Hydraulic synchronizer
02/05/2004US20040020196 Hydraulic control device and industrial vehicle with hydraulic control device
02/05/2004US20040020082 Hydraulic circuit of construction machinery
02/05/2004DE19820102B4 Oszillier-Zylinder Oszillier-cylinder
02/05/2004DE10219850B3 Regeleinrichtung mit Grenzwertregelventil Controller with limit control valve
02/05/2004DE10219717B3 Hydraulische Ventilanordnung A hydraulic valve assembly
02/04/2004EP1387090A2 Hydraulic drive
02/04/2004EP1387089A2 Hydraulic actuator circuit
02/04/2004EP1386083A1 A control system and a method for controlling an actuator and for optimizing the control by means of sets of valves coupled in parallel
02/04/2004EP1386056A1 Bi-fluid actuator
02/04/2004CN1472443A Valve for actuating bidirectional hydraulic cylinder and use of cylinder tray thereof
02/04/2004CN1472442A Composite boosting cylinder and method therefor
02/04/2004CN1137335C Actuator control circuit
02/04/2004CN1137334C Revolution control device