| Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384) |
|---|
| 09/13/1990 | DE3844401A1 Variable delivery (displacement, volume) pump having hydraulic displacement for controlling the delivery rate (volumetric capacity) and/or pressure for at least two consumers (loads) |
| 09/12/1990 | EP0386591A2 Hydraulic circuit for use in lifting mechanism of work vehicle |
| 09/12/1990 | EP0386569A1 Device for emptying containers, particularly refuse receptacles |
| 09/12/1990 | EP0386432A2 Pneumatic control device |
| 09/12/1990 | CN2061917U Hydraulic driving stepless speed adjusting agricultural power device |
| 09/11/1990 | US4955283 Hydraulic circuit for cylinder |
| 09/11/1990 | US4955194 Damping arrangement for damping the oscillations of valve controlled by pressure fluid |
| 09/09/1990 | CA2010416A1 Method and arrangement for positioning accurately the pistons of load-carrying pressure-fluid cylinder devices |
| 09/04/1990 | US4953578 Dual mode pneumatic control system |
| 08/30/1990 | DE3911866A1 Overhead monorail conveyor in mine - has air evacuation valve on brake system incorporating spring and adjustment screw |
| 08/30/1990 | DE3905654A1 Hydraulic control arrangement |
| 08/29/1990 | EP0384737A1 Hydraulic circuit for hydraulic construction and working machine |
| 08/28/1990 | CA1273268A1 Dual pressure displacement control system |
| 08/23/1990 | WO1990009528A1 Hydraulic circuit for working machines |
| 08/23/1990 | WO1990009485A1 Fluid control system for roadway grooving apparatus |
| 08/21/1990 | US4949943 Multiple air cylinder clamp for vise |
| 08/21/1990 | US4949540 Hydraulic actuator system having non-cavitating flow equalizer |
| 08/21/1990 | CA1272912A1 Method and a device for regulating pressure fluid cylinders |
| 08/17/1990 | CA2008399A1 Dual control valve suitable for high pressure fluids |
| 08/14/1990 | US4947733 Valve subplate for alternative double-acting or single-acting operation of cylinder |
| 08/08/1990 | EP0381328A2 Oil hydraulic circuit for hydraulic machine such as a shovel |
| 08/07/1990 | US4945998 Hydraulic impact tool |
| 08/01/1990 | EP0379811A2 Device for automatically swapping the actuating direction of a double acting hydraulic cylinder |
| 08/01/1990 | EP0379595A1 Hydraulic driving apparatus |
| 07/31/1990 | US4944350 Tool for closing a well tubing |
| 07/24/1990 | US4942900 Pressure control valve |
| 07/24/1990 | US4942737 Drive control system for hydraulic construction machine |
| 07/24/1990 | CA1271954A1 Tool for closing a well tubing |
| 07/19/1990 | DE3901350A1 Pressure balance for a directional control valve |
| 07/19/1990 | DE3901349A1 Valve arrangement for several hydraulic consumers |
| 07/19/1990 | DE3901207A1 Valve arrangement for several hydraulic drives, in particular for the drives of a crane |
| 07/19/1990 | DE3900887A1 Valve arrangement for actuating the telescopic cylinder of a tipper of a lorry |
| 07/18/1990 | CN1043980A Multi-port self-regulating proportional pressure control valve |
| 07/17/1990 | US4941321 Directional control with load-sensing passage controlled by throttling non-return valve having adjustable biasing spring |
| 07/17/1990 | CA1271687A1 Double-barrel pulse-generating hydraulic monitor |
| 07/12/1990 | WO1990007651A1 Hydraulic controller |
| 07/12/1990 | DE3844399A1 Variable-displacement pump for a plurality of consumers which can be actuated independently of one another |
| 07/11/1990 | EP0377544A1 Proportional directional valve for controlling hydraulic actuators |
| 07/10/1990 | US4939899 Bidirectional pressure supply system in a motor vehicle |
| 07/05/1990 | DE3844405A1 Valve arrangement for a hydraulic system |
| 07/05/1990 | DE3844404A1 Valve arrangement for the control of a plurality of simultaneously operable hydraulic consumers independently of load |
| 07/05/1990 | DE3844400A1 Valve arrangement for a hydraulic system |
| 07/04/1990 | EP0376440A1 Multi-port self-regulating proportional pressure control valve |
| 07/03/1990 | US4938023 Swing-frame motor flow and sensed load pressure control system for hydraulic excavator |
| 06/28/1990 | WO1990007031A1 Service valve circuit in a hydraulic excavator |
| 06/28/1990 | DE3843642A1 Hydraulic control and supply circuit |
| 06/13/1990 | EP0373095A1 Apparatus for positioning a work implement |
| 06/13/1990 | EP0372081A1 Hydraulic control unit of hydraulic excavators |
| 06/13/1990 | CN1008391B Power transmission |
| 06/13/1990 | CN1008388B Fluid operated pump displacement control system |
| 06/12/1990 | CA1270176A1 Compensated fluid flow control valve |
| 06/06/1990 | EP0371176A1 Multi-boost synchronized hydraulic pump |
| 06/05/1990 | US4930401 Valve system and arrangement for on-line valve replacement |
| 06/05/1990 | CA1269912A1 Control system for independent control of fluid actuated devices |
| 05/30/1990 | CN1008199B Hydraulic pressure controlling device for speed change gear |
| 05/30/1990 | CN1008198B System for controlling hydraulic pressure |
| 05/29/1990 | US4929038 Hydraulic unit |
| 05/29/1990 | US4928487 Control apparatus for double acting hydraulic cylinder units |
| 05/23/1990 | CN2057484U Pneumatic actuator |
| 05/17/1990 | WO1990005245A1 Fluid-power cylinder provided with a cushioning device |
| 05/16/1990 | EP0368636A2 Hydraulic control system |
| 05/16/1990 | CN2057248U Electric-hydraulic push rod |
| 05/16/1990 | CN2057247U Bi-directional hydraulic system for wooden board splicing machine |
| 05/16/1990 | CN1042221A Valve system and arrangement for on-line valve replacement |
| 05/15/1990 | CA1269020A1 Fluid pressure oscillator |
| 05/09/1990 | EP0367143A2 Clamping cylinder system |
| 05/09/1990 | EP0367038A1 Hydraulic steering system and automotive works-vehicle provided with such a steering system |
| 05/09/1990 | EP0366815A1 Hydraulic drive unit for construction machinery |
| 05/09/1990 | EP0292473B1 Method for reducing the piston speed, especially in the piston and cylinder assemblies of an excavating machine, and device for carrying out the method |
| 05/08/1990 | CA2002278A1 Fluid-power cylinder provided with a cushioning device |
| 05/03/1990 | DE3836371A1 Hydraulic drive device for loop lifters |
| 05/02/1990 | EP0366281A1 Valve system and arrangement for on-line valve replacement |
| 05/02/1990 | EP0366050A2 Machine tool with a high and a low pressure hydraulic circuit |
| 04/26/1990 | DE3836103A1 Hydraulic piston/cylinder arrangement |
| 04/25/1990 | EP0365341A2 Automatic speed control |
| 04/24/1990 | CA1268098A1 Control arrangement for controlling a hydraulic drive for driving a piston pump |
| 04/17/1990 | US4917001 Drive control valve for constant speed |
| 04/11/1990 | EP0362539A1 Hydraulic control device |
| 04/11/1990 | EP0362409A1 Hydraulic driving unit |
| 04/11/1990 | EP0362401A1 Control valve unit |
| 04/11/1990 | CN1007544B Direction valve with flow controller |
| 04/11/1990 | CN1007543B Power transmission system |
| 04/10/1990 | US4915186 Self-propelled work vehicle |
| 04/04/1990 | EP0361613A1 Pressure control valve |
| 04/04/1990 | EP0360873A1 Pilot operated control valve unit |
| 03/28/1990 | EP0360718A1 Pilot-operated regulating connector for regulating the speed of pneumatic actuators |
| 03/28/1990 | CN1007371B Synchronous control device of multi-hydraulic-cylinder drive |
| 03/22/1990 | WO1990002883A1 Controlled connector-regulator for the speed regulation of pneumatic jacks |
| 03/22/1990 | WO1990002882A1 Hydraulic driving system with a priority function for hydraulic motors |
| 03/22/1990 | DE3831118A1 Fluid-actuated drive for machines |
| 03/21/1990 | EP0359354A1 Fluid control valve with variable pressure gain |
| 03/21/1990 | EP0358778A1 Pilot operated control valve system |
| 03/13/1990 | US4907495 Pneumatic cylinder with integral concentric hydraulic cylinder-type axially compact brake |
| 03/08/1990 | WO1990002268A1 Hydraulic driving apparatus |
| 03/08/1990 | WO1990002266A1 Operation valve device |
| 03/07/1990 | CN1007078B Control device for hydraulic motor |
| 02/28/1990 | EP0355780A1 Method for filling a hydro-pneumatic pressure amplifier with oil, and apparatus therefor |
| 02/27/1990 | CA1266218A1 Fluid power control system |
| 02/21/1990 | EP0277946A4 Compensated fluid flow control valve. |
| 02/21/1990 | EP0276222A4 Compensated fluid flow control valve. |