| Patents for F15B 13 - Details of servomotor systems (18,792) |
|---|
| 10/04/1988 | US4775195 Hydraulic systems |
| 09/29/1988 | DE3708570A1 Electrohydraulic device for actuating a piston-like part displaceable in a housing bore |
| 09/28/1988 | EP0283673A2 Pressure actuated valve |
| 09/28/1988 | CN87204986U Cone valve type electric liquid drive change valve |
| 09/27/1988 | US4773216 Flow divider valve for hydraulic system in working vehicles |
| 09/22/1988 | DE3712574C1 Axialsteuerventil Axialsteuerventil |
| 09/22/1988 | DE3708110A1 Electromagnetically actuated directional valve |
| 09/21/1988 | EP0283053A2 Hydraulic valve arrangement |
| 09/15/1988 | DE3707423A1 Remote-controllable hydraulic control device |
| 09/14/1988 | EP0282167A2 Alternating valve |
| 09/14/1988 | EP0281635A1 Valve device |
| 09/13/1988 | US4770210 For a fluid pressure valve system |
| 09/13/1988 | US4770209 Valve base with integral flow controls |
| 09/13/1988 | US4769991 Balanced hydraulic propulsion system |
| 09/07/1988 | EP0281510A1 Module for a multiple-way valve |
| 09/07/1988 | CN88201514U High water-level spherical electro-magnetic directional control valve |
| 09/06/1988 | US4768555 Solenoid valve |
| 09/06/1988 | US4768540 Flow control apparatus |
| 09/06/1988 | US4768420 Control arrangement for controlling a hydraulic drive for driving a piston pump |
| 09/06/1988 | CA1241680A1 Coupling device for pneumatic apparatus |
| 08/31/1988 | CN88200510U Rotary hydraulic servo valve |
| 08/31/1988 | CN87100434A Hydraulic servo feeding apparatus |
| 08/30/1988 | US4766728 Flow matching valve and hydraulic system employing same |
| 08/25/1988 | WO1988006242A1 Control lever with load force feedback |
| 08/25/1988 | WO1988006241A1 Pilot-operated hydraulic circuit and hydraulic quick exhaust valve |
| 08/24/1988 | EP0279362A1 Hydraulic system |
| 08/24/1988 | CN87100837A Hydraulic drive flow control cylinder |
| 08/23/1988 | US4765370 Directional control valve |
| 08/17/1988 | EP0278227A2 Actuating device for a hydraulic, electrically controlled proportional valve |
| 08/17/1988 | EP0277946A1 Compensated fluid flow control valve |
| 08/17/1988 | EP0218603B1 Valve arrangement for controlling a pressure medium flow through a line of pressure medium |
| 08/16/1988 | US4763691 Hydraulic control valve |
| 08/10/1988 | EP0277135A1 Compressed air selector. |
| 08/09/1988 | US4762147 Servo valve with torque feedback |
| 08/09/1988 | CA1240237A1 Remote valve operators |
| 08/09/1988 | CA1240235A1 Reel speed valve assembly |
| 08/03/1988 | EP0276222A1 Compensated fluid flow control valve. |
| 08/03/1988 | EP0276221A1 Compensated fluid flow control valve |
| 08/02/1988 | US4761575 Servo-valve and a control motor therefor |
| 07/27/1988 | EP0276188A2 Electrohydraulic servo valve for a hydraulic actuator servo control, in particular for an aircraft servo mechanisms control |
| 07/27/1988 | EP0276056A2 Valve arrangement for a fluid flow control system |
| 07/27/1988 | EP0120022B1 Control device |
| 07/27/1988 | CN87213516U Auto load-relieving valve for volumetric pump |
| 07/25/1988 | EP0274481A4 Two-axis force motor. |
| 07/20/1988 | EP0275227A2 Pneumatically actuated valve and distribution block for such a valve |
| 07/20/1988 | EP0274481A1 Two-axis force motor. |
| 07/20/1988 | CN87100060A Low-noise hydraulic system for file-marking press |
| 07/19/1988 | US4757747 Power transmission |
| 07/19/1988 | CA1239330A1 Four-way control valve |
| 07/14/1988 | WO1988005135A1 Distributor for hydraulic cylinders |
| 07/14/1988 | DE3700021A1 Manually actuated hydraulic control valve |
| 07/12/1988 | US4756330 Flow divider valve |
| 07/05/1988 | US4754693 Valve |
| 06/30/1988 | WO1988004735A1 Load compensated valve |
| 06/30/1988 | WO1988004734A1 Load sensing circuit and electrohydraulic control for load compensated directional control valve |
| 06/30/1988 | DE3644977A1 Piston slide valve |
| 06/28/1988 | US4753158 Pilot hydraulic system for operating directional control valve |
| 06/28/1988 | US4753157 Power transmission |
| 06/28/1988 | CA1238552A1 Electrohydraulic control of a spool valve for energizing a heavy duty automatic transmission clutch |
| 06/22/1988 | CN86107688A Digital hydraulic servo rotating valve |
| 06/21/1988 | CA1238259A1 Four-way poppet valve |
| 06/16/1988 | WO1988004367A1 Fail-fixed servovalve with controlled hard-over leakage |
| 06/15/1988 | CN86210118U Hydraulic force increasing lead screw |
| 06/14/1988 | US4750521 Multiple connection valve |
| 06/08/1988 | EP0270523A2 Hydraulic valve arrangement |
| 06/08/1988 | CN87106224A 阀装置 Valve device |
| 06/07/1988 | US4748897 Subbase for a pneumatic control assembly for a pneumatic cylinder |
| 06/07/1988 | CA1237633A1 Priority valve |
| 06/07/1988 | CA1237632A1 Priority valve |
| 06/01/1988 | CN85102790B 数字压力阀 Digital pressure valve |
| 05/31/1988 | US4747424 Hydraulic valve |
| 05/31/1988 | US4747335 Load sensing circuit of load compensated direction control valve |
| 05/26/1988 | DE3639174A1 Hydraulic control device |
| 05/26/1988 | DE3622950A1 Directional control valve |
| 05/24/1988 | US4746093 Piloted valve |
| 05/24/1988 | US4745845 Compressed air flow regulating devices |
| 05/18/1988 | EP0267188A1 Hydraulic control unit |
| 05/17/1988 | US4744542 Hydraulic control apparatus |
| 05/17/1988 | US4744388 Diaphragm type of pilot operated directional control valve |
| 05/17/1988 | US4744285 Alternating valve |
| 05/11/1988 | CN86208916U Self-acting valve with position-setting and overrun means |
| 05/11/1988 | CN86107001A Multipurpose integrated automatic rotating valve |
| 05/04/1988 | EP0265761A2 Hydraulic systems |
| 05/03/1988 | US4741365 Compound pneumatic valve |
| 05/03/1988 | US4741364 Pilot-operated valve with load pressure feedback |
| 05/03/1988 | US4741248 Load responsive system having synchronizing systems between positive and negative load compensation |
| 04/21/1988 | DE3734058A1 Hydraulically activated 2/2-way directional valve |
| 04/21/1988 | DE3633129A1 Non-return valve releasable on two sides |
| 04/20/1988 | CN87207127U Self-locked high-pressure operating valve |
| 04/20/1988 | CN86208078U Electric liquid-flow controlling valve |
| 04/19/1988 | US4738279 Multiway valves with load feedback |
| 04/19/1988 | US4738278 Hydraulic control device |
| 04/13/1988 | CN87106021A Direction controling valve with hydraulic pilot valve |
| 04/13/1988 | CN86208057U Governor valve of electrolytic solution proportion with feedback principle of differential pressure displacement force |
| 04/12/1988 | US4736773 Electronically switched pneumatic valve system |
| 04/12/1988 | US4736770 Hydraulic distributor of the proportional type, with load sensing of the highest pressures in the operating circuits |
| 04/12/1988 | US4736672 Metered lockout valve |
| 04/06/1988 | EP0262749A2 Hydraulic valve |
| 04/06/1988 | EP0262382A1 Obturator operated by a pilot valve |
| 04/05/1988 | CA1234728A1 Manual lift means for marine propulsion device |