Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384)
12/1994
12/01/1994DE4317397A1 Flurförderzeug mit einem Lastaufnahmemittel und zwei parallel geschalteten Hubzylindern Truck with a load carrying equipment and two parallel lifting cylinders
11/1994
11/30/1994EP0626045A1 Electromagnetically powered hydraulic engine apparatus and method
11/29/1994CA2124552A1 Method of operating a hydraulic load sensing system
11/22/1994US5365827 Cylinder apparatus and method of controlling same
11/17/1994DE4316339A1 Pressure-medium supply device
11/16/1994CN2182897Y Hydraulic transmission apparatus
11/10/1994WO1994025770A2 Power sensing regenerator
11/10/1994DE4312581C1 Positioning drive, in particular for a machine tool
11/09/1994EP0623754A2 Hydraulic control system
11/09/1994EP0623753A1 Automatic cushioning control apparatus for cylinder of working machine
11/08/1994US5361680 Pressure-intensifying type fluid pressure cylinder
11/08/1994US5361584 Hydrostatic drive system
11/01/1994US5361211 Control system for automatically controlling actuators of an excavator
10/1994
10/27/1994WO1994023964A1 Double action brake valve
10/27/1994DE4312824A1 Hydraulic control of bulkhead partitions
10/26/1994EP0621407A1 Valve assembly
10/26/1994EP0620932A1 Electro-hydraulic control device and pressure reducing valve
10/25/1994CA1332690C Control apparatus for a hydraulic motor
10/20/1994DE4345165A1 Positioning drive, in particular for a machine tool
10/20/1994DE4312275A1 Working cylinder, especially for a roll changer
10/19/1994EP0620371A1 Hydraulic system for supply of open or closed hydraulic functions
10/19/1994CN1093621A Hydraulic apparatus for driving of supplying system of rapid pre-forging machine
10/18/1994US5355773 Hydraulic system for controlling contact pressure
10/18/1994US5355772 Hydraulic servo unit with solenoid operated valves having variable duty cycles
10/18/1994US5355676 Hydraulic pressure supply apparatus
10/13/1994WO1994023213A1 Controller for hydraulic drive machine
10/12/1994EP0619434A2 Pressure equaliser device
10/11/1994US5353687 Pocket cylinder for sliding door
10/11/1994US5353686 Hydraulic circuit for four-position closed-center selector valve controlled by pressure proportional control valve
10/11/1994US5353684 Hydraulic control device for working cylinders with unequal piston speeds
10/11/1994US5353683 Fluid operated device
10/06/1994DE4410976A1 Drive control arrangement for a fluidic-medium actuating unit
10/06/1994CA2120377A1 Pressure equaliser device
10/05/1994EP0618371A2 Hydraulic system
10/04/1994US5351914 Hydraulic control system for aircraft
10/04/1994US5351601 Hydraulic control system
09/1994
09/30/1994CA2120083A1 Remote hydraulic control systems
09/29/1994WO1994021925A1 Hydraulic drive for hydraulic work machine
09/29/1994WO1994021209A1 Adjustable load supporting apparatus
09/27/1994CA2101099A1 Fluid distribution device
09/26/1994EP0626045A4 Electromagnetically powered hydraulic engine apparatus and method.
09/21/1994EP0321475B1 Load responsive system having synchronizing systems between positive and negative load compensation
09/20/1994US5349151 Low impact flow control device
09/20/1994US5347914 Traverse apparatus
09/20/1994US5347811 Load-sensing active hydraulic control device for multiple actuators
09/20/1994CA2082881C Energy saving and monitoring pneumatic control valve system
09/15/1994WO1994020367A1 Hydraulic bale wrapper
09/14/1994EP0615024A2 Load-independent speed control of hydraulic actuators for construction machines
09/07/1994EP0614016A1 Hydraulic drive unit of hydraulic working machine
09/06/1994US5343752 High frequency vibration test fixture with hydraulic servo valve and piston actuator
09/01/1994DE4314813C1 Hydraulic circuit
08/1994
08/31/1994EP0612939A2 Hydraulic clutch engaging apparatus and method
08/31/1994CN1091500A Unit for controlling of hydraulic servo driving apparatus
08/23/1994US5341311 Method and apparatus for limiting the capacity of a hydrostatic machine
08/18/1994DE4403720A1 Pressure-medium supply assembly for utility vehicles
08/16/1994US5338163 Electrohydraulic device, particularly electrical fuel pump for motor vehicle
08/16/1994US5337788 Pneumatic valve with slow start and quick exhaust
08/16/1994US5337778 Pressure control valve
08/16/1994CA2038112C Charge flow priority circuit
08/11/1994DE4303465A1 Hydraulische Baugruppe Hydraulic assembly
08/09/1994US5335494 Hydraulic system for reel mower vehicles
08/04/1994WO1994017311A1 A driving device
08/04/1994DE4302928A1 Synchronised motion control of hydraulic linear actuators
08/04/1994DE4302755A1 Parameter control system for hydraulic equipment, e.g. for torque control of drill spindle e.g. of rock drilling machine
08/04/1994CA2154177A1 A driving device
08/03/1994EP0608963A2 Device for taking out ensilage material
08/03/1994EP0608415A1 Hydraulic circuit having pressure compensation valve
08/03/1994EP0423362B1 Counterbalance valve
08/02/1994US5333533 Method and apparatus for controlling an implement
08/02/1994US5333450 Apparatus for adjusting the working fluid pressure
07/1994
07/27/1994EP0607903A2 Flow control valve with pilot operation and pressure compensation
07/27/1994EP0607604A1 Hydraulic system for a vehicle
07/26/1994US5331883 Hydraulic valve means
07/26/1994US5331882 Control valve system with float valve
07/26/1994US5331812 Traveling speed changeover device for hydraulic excavator
07/22/1994CA2087770A1 Pulse width modulator with external feedback control
07/20/1994EP0607108A2 A method for controlling a hydraulic motor and a hydraulic valve therefor
07/20/1994EP0396760B1 Operation valve device
07/13/1994EP0605425A1 A position indicator for a hydraulic type setting motor.
07/12/1994US5329441 Hydraulic control device for a work machine
07/07/1994WO1994015103A1 Operation valve equipped with pressure compensation valve
07/07/1994DE4244515A1 Switching circuit for intermittently operating hydraulically operated machines
07/06/1994EP0604805A1 Actuating device for hydraulic actuator with pressure proportional control signal
07/06/1994EP0411151B1 Hydraulic circuit for working machines
07/06/1994EP0394465B1 Hydraulic driving apparatus
07/06/1994CN1025359C Pivoting actuator and pop-up target incorporating same
07/05/1994US5325762 Fluid pressure operated piston engine assembly
07/05/1994US5325761 Switching arrangement for controlling the speed of hydraulic drives
07/05/1994CA1330555C Damping arrangement for damping the oscillations of valves controlled by pressure fluid
06/1994
06/29/1994EP0604332A1 Method and device for starting or braking a hydraulic motor driving an assembly of big inertia
06/29/1994EP0604263A1 Actuator especially for moving thrust nozzles of a missile
06/29/1994EP0603722A1 Hydraulic control system
06/29/1994EP0603421A1 Inertial body driving unit
06/29/1994CA2112002A1 Operating mechanism for a hydraulic actuator having a pressure-proportional actuating signal
06/28/1994US5323687 For a backhoe loader
06/28/1994US5323611 Speed change controller of running hydraulic motor
06/23/1994WO1994013962A1 Pneumatical piston-cylinder unit having a hydraulic control means
06/23/1994WO1994013960A1 Hydraulic circuit for turning
06/23/1994WO1994013959A1 Hydraulic regenerator
06/23/1994WO1994013524A1 Controlled proportional valve