| Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384) |
|---|
| 06/15/1988 | EP0270740A2 Method of controlling a fluid motor |
| 06/08/1988 | EP0270523A2 Hydraulic valve arrangement |
| 06/07/1988 | US4748899 Dual-pressure jack |
| 06/07/1988 | CA1237635A1 Process and apparatus for vibratory operation of a working piston |
| 06/07/1988 | CA1237631A1 Pressure modulation valve |
| 06/01/1988 | EP0269500A2 Plunger pump of quick pressure-rise type |
| 06/01/1988 | EP0268699A1 Reversible plough with a device for the continuous adjustment of the angle of inclination |
| 05/31/1988 | US4747335 Load sensing circuit of load compensated direction control valve |
| 05/31/1988 | US4747268 Control means for a plurality of mechanically coupled hydrostatic machines with variable volume in a drive system with impressed pressure |
| 05/26/1988 | DE3639174A1 Hydraulic control device |
| 05/25/1988 | EP0268458A2 Apparatus for driving piston by fluid pressure |
| 05/25/1988 | CN87211000U Closed type hand-operated double acting hydraulic cylinder |
| 05/24/1988 | US4745999 Clutch operating cylinder for a pressure-medium operated clutch |
| 05/24/1988 | US4745845 Compressed air flow regulating devices |
| 05/24/1988 | US4745844 Control block comprising a plurality of valve units for a plurality of hydraulic drives, in particular fork lift trucks |
| 05/19/1988 | WO1988003584A1 Control system for an impact ripper |
| 05/19/1988 | DE3638900A1 Hydrostatic drive unit |
| 05/18/1988 | EP0267188A1 Hydraulic control unit |
| 05/17/1988 | US4744285 Alternating valve |
| 05/17/1988 | CA1236758A1 Hydraulic control system and valve |
| 05/11/1988 | EP0090859B1 Keyboard actuator |
| 05/10/1988 | US4742849 Angled pneumatic connection including means for regulating a one-way flow |
| 05/05/1988 | WO1988003285A1 Proportional valve control apparatus for fluid systems |
| 05/04/1988 | CN86104051A Hydrautic operating mechanism |
| 05/03/1988 | US4741249 Automatic economizing device for compressed air |
| 05/03/1988 | US4741248 Load responsive system having synchronizing systems between positive and negative load compensation |
| 05/03/1988 | US4741247 For operating from a source of gas under pressure |
| 04/28/1988 | DE3635969A1 Valve arrangement for lowering a load acting on a hydraulic cylinder |
| 04/26/1988 | US4739617 Control arrangement for at least two hydraulic consumers fed by at least one pump |
| 04/19/1988 | US4738279 Multiway valves with load feedback |
| 04/19/1988 | US4738103 Hydraulic control circuit for working members of earth-moving machines with centralized braking of the actuators |
| 04/19/1988 | US4738102 Hydrostatic drives |
| 04/19/1988 | US4738101 Fluid system having a hydraulic counterbalance system |
| 04/13/1988 | CN87106021A Direction controling valve with hydraulic pilot valve |
| 04/12/1988 | US4736770 Hydraulic distributor of the proportional type, with load sensing of the highest pressures in the operating circuits |
| 04/12/1988 | US4736673 Selective control device for plural kinds of oil-hydraulic actuators |
| 04/12/1988 | US4736585 Hydrostatic machine |
| 04/07/1988 | WO1988002441A1 Driving control apparatus for hydraulic construction machines |
| 04/07/1988 | DE3632355A1 Pressure-medium-actuated multi-position cylinder |
| 04/06/1988 | EP0262604A1 Hydraulic circuit for hydraulic construction machine |
| 03/30/1988 | EP0262098A1 A flow recovery system for hydraulic circuits with pumps and pressure compensated distributor valves for working members of earth-moving machines |
| 03/29/1988 | US4733600 Apparatus for controlling cargo handling position |
| 03/29/1988 | US4733533 Controls for power drive assemblies |
| 03/29/1988 | CA1234542A1 Minimization of the effects of yaw oscillations in wind turbines |
| 03/29/1988 | CA1234509A1 Fluid pressure operated piston engine assembly |
| 03/23/1988 | EP0260935A2 Pneumatic actuator apparatus |
| 03/22/1988 | US4732076 Apparatus for the control of a hydromotor |
| 03/22/1988 | CA1234330A1 Power transmission |
| 03/15/1988 | US4730514 Differential speed limiting device mechanism |
| 03/10/1988 | WO1988001706A1 Hydraulic pilot type direction control valve |
| 03/09/1988 | EP0131580B1 Signal valve for pressure compensated system |
| 03/08/1988 | US4729222 Brake circuit apparatus for hydraulic motor |
| 03/03/1988 | DE3629471A1 Hydraulic control arrangement |
| 03/02/1988 | EP0165281B1 Compressed air flow rate limiter |
| 03/01/1988 | US4728287 Apparatus for uniformly drawing and cooling pyroprocessed particulate material |
| 03/01/1988 | US4727793 Signal valve for pressure compensated system |
| 03/01/1988 | US4727792 Hydraulic holding valve |
| 02/24/1988 | EP0256955A1 Method and apparatus for adjusting the percussion parameters of the impacting piston of a non compressible fluid-actuated device |
| 02/23/1988 | US4726283 Slide cylinder |
| 02/16/1988 | US4724673 Power transmission |
| 02/10/1988 | CN87105549A Hydraulic control speed changing and governing loop |
| 02/09/1988 | US4723576 Fluid power control system |
| 02/09/1988 | US4723476 Regenerative valve |
| 02/09/1988 | US4723409 Safety circuit for a hydraulic system |
| 02/04/1988 | DE3722126A1 Control valve |
| 02/03/1988 | CN87104630A Hydraulic energy exchanger |
| 02/02/1988 | USRE32588 Valve actuator system |
| 02/02/1988 | US4722362 Directional control valve |
| 02/02/1988 | US4722262 Fluid pressure system and value therefor |
| 02/02/1988 | US4722186 Dual pressure displacement control system |
| 01/28/1988 | WO1988000658A1 Compensated fluid flow control valve |
| 01/28/1988 | WO1988000657A1 Compensated fluid flow control valve |
| 01/28/1988 | WO1988000656A1 Compensated fluid flow control valve |
| 01/13/1988 | EP0252715A2 Radial piston fluid pressure pump or motor |
| 01/12/1988 | US4718451 Directional control valve |
| 01/07/1988 | EP0251172A2 Hydraulic control system |
| 01/07/1988 | EP0153332B1 Method and device for the vibratory operation of a working piston, particularly for working tools |
| 01/05/1988 | US4716933 For a load sensing system |
| 01/05/1988 | US4716815 Fluid-pressure-operated actuators |
| 01/05/1988 | US4716727 Hydraulic device |
| 12/29/1987 | US4715265 Process and apparatus for vibratory operation of a working piston, in particular for active working tools |
| 12/29/1987 | US4715264 Piston and cylinder unit |
| 12/29/1987 | US4715180 Hydraulic lift mechanism |
| 12/23/1987 | CN87102639A 液压系统 Hydraulic system |
| 12/22/1987 | US4713936 Motor seal protector valve |
| 12/16/1987 | EP0249154A1 Hydraulic pressure system |
| 12/15/1987 | US4712772 Power hydraulic gear |
| 12/15/1987 | US4712470 Method and apparatus for compensating the variable weight of a mass acting on a hydraulic drive, in particular for the upright drive cylinder of a lapping machine |
| 12/15/1987 | US4712377 Control apparatus for hydraulic motor |
| 12/15/1987 | US4712376 Proportional valve control apparatus for fluid systems |
| 12/15/1987 | US4712375 Safety device for priority hydraulic consumer |
| 12/08/1987 | US4711267 Hydraulic control block |
| 12/08/1987 | US4711155 Hydraulic control device |
| 12/03/1987 | WO1987007352A1 Liquid distribution valve |
| 12/02/1987 | EP0247303A2 Apparatus for controlling cargo handling position |
| 11/24/1987 | US4707988 Device in hydraulically driven machines |
| 11/24/1987 | CA1229541A1 Pressure regulator |
| 11/17/1987 | US4706932 Fluid control valve apparatus |
| 11/17/1987 | US4706547 Coaxial multi-function insertable cartridge valve |
| 11/17/1987 | US4706458 Hydraulic system for controlling motor vehicle lifts in general |