Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384)
09/1986
09/09/1986US4610271 High pressure hydraulic distributor
09/09/1986US4610194 Load sensing circuit of load responsive direction control valve
09/09/1986US4610193 For preventing uncontrolled lowering of a load should line failure occur
09/03/1986EP0192899A1 Stalling control for a hydraulic system
09/03/1986CN85109196A Four-way poppet valve
09/03/1986CN85104488A Totally-enclosed oil-circuit hydraulic integrated actuator
09/02/1986US4609330 Modular unloading sequencing switching valve assembly for hydraulic system
09/02/1986US4608910 Compressed fluid saving device
09/02/1986CA1210667A1 Power transmission
08/1986
08/28/1986WO1986004964A1 Valve arrangement for controlling a pressure medium flow through a line of pressure medium
08/28/1986WO1986004963A1 Proportional valve with variable pre-loading of the balance spring non-proportionally to the load pressure
08/20/1986EP0191275A1 Anti-saturation system for hydraulic control circuits for working members of earth-moving machines
08/19/1986US4606258 Self-pressurizing hydraulic control system
08/19/1986US4606257 Electropneumatic drive system for crust breaking devices and process for operating the same
08/19/1986CA1209880A1 Speed-controlled apparatus for cutting and taking out blocks from a silo fodder bin
08/13/1986EP0190431A2 Hydraulic system
08/13/1986EP0103601B1 Hydraulic system with energy saving means
08/12/1986US4605042 Pilot oil supply arrangement
08/12/1986CA1209480A1 Remote control unit
08/12/1986CA1209418A1 Servo valve
08/05/1986US4603616 Rotary actuator
07/1986
07/29/1986US4602481 Fluid actuator for binary selection of output force
07/24/1986EP0131580A4 Signal valve for pressure compensated system.
07/23/1986EP0188112A1 Hydraulic control system and valve therefor
07/23/1986EP0188035A2 Electrohydraulic drive for process line winders, unwinders and other equipment
07/23/1986EP0072793B1 Control for dead engine lower
07/22/1986US4601366 Down valve for the down speed control of a hydraulic elevator
07/22/1986CA1208105A1 Flow rate control and metering means for shear- sensitive liquids
07/15/1986US4599856 Hydraulic apparatus used for operating vehicles
06/1986
06/24/1986US4596517 Pressurized fluid supply circuit comprising a variable displacement pump
06/24/1986US4596177 Actuator system
06/19/1986WO1986003564A1 A fluid system with selective differential pressure control
06/17/1986CA1206065A1 Hydrostatic or pneumatic drive and method of operating same
06/10/1986US4593931 Vehicle height adjustment system providing uniform height control
06/10/1986US4593791 Automatic sequencing circuit for lift cylinders
06/05/1986WO1986003264A1 Hydraulic installation
06/04/1986EP0182880A1 Linear servoactuator with integrated transformer position sensor
05/1986
05/28/1986EP0182100A2 Hydraulic control device
05/27/1986US4591129 Valve seal breakaway device
05/27/1986US4590958 Two-position switching valve having hydraulic self-holding properties
05/27/1986US4590846 Piston and cylinder actuator
05/27/1986US4590763 Method of supplying a normally continuous operating hydraulic actuator with hydraulic fluid, continuously and by controlled pulse, and a device for implementing said method
05/14/1986EP0180999A2 Control apparatus for actuator
05/10/1986CN85104096A Fluid operated pump displacement control system
05/07/1986EP0180170A2 Fluid pressure operated piston engine assembly
05/07/1986EP0179769A1 Load responsive fluid control valve
05/06/1986US4586332 Hydraulic swing motor control circuit
05/06/1986US4586330 Control system for hydraulic circuit apparatus
04/1986
04/30/1986EP0179249A2 Hydraulic control
04/30/1986EP0179112A1 Improvements to handtools comprising a hydraulic jack for the control of working members.
04/30/1986EP0179103A1 Three-position linear actuator
04/29/1986US4585172 Hydraulic actuation
04/22/1986US4583624 Fluid system with selective differential pressure control
04/16/1986EP0177876A1 Linear drive
04/16/1986EP0085080B1 Control circuit for a pneumo-hydraulic pressure intensifier
04/15/1986US4581893 Manipulator apparatus with energy efficient control
04/09/1986EP0176679A1 Hydraulic control device
04/02/1986EP0176467A2 Fluid-driven reciprocating motor
04/02/1986EP0176381A1 High-pressure hydraulic directional control valve with a pilot pressure generator
04/02/1986EP0067815B1 System with constant force actuator
04/01/1986US4579042 Selective air pressure control system for welding and like apparatus
03/1986
03/25/1986CA1202230A1 Redundant control actuation system-concentric direct drive valve
03/25/1986CA1202229A1 Manipulator apparatus with energy efficient control
03/25/1986CA1202228A1 Power transmission
03/19/1986EP0174482A2 Two-position pilot valve with hydraulic lock
03/19/1986EP0051603B1 Series-parallel selector for steering and implement
03/18/1986CA1202100A1 Electrohydraulic valve system
03/18/1986CA1201934A1 Hand pump with automatic lock-out
03/12/1986EP0174117A1 Dual tandem composite cylinder assembly
03/11/1986US4574844 Four-way poppet valve
03/11/1986US4574838 Means for saving energy in a hydraulic circuit
03/04/1986US4573319 Vehicle hydraulic system with single pump
02/1986
02/25/1986CA1201039A1 Control of fluid pressure circuits
02/19/1986EP0171392A1 Load responsive system.
02/18/1986US4570671 Fluid distributors
02/12/1986EP0170815A1 Hydraulic control device
02/11/1986US4569274 Single spring fluid cylinder with motion buffer
02/11/1986US4569272 Power transmission
02/11/1986CA1200434A1 Automatic pressure setting adjustment for a pressure compensated pump
02/10/1986EP0113708A4 Dual control input flow control valve.
02/04/1986US4567727 Proportioned hydraulic system
01/1986
01/30/1986WO1986000673A1 Slide cylinder
01/28/1986US4566492 Fluid distributing device, more especially for remote control
01/21/1986US4565511 Apparatus for producing articles from two or more flowable synthetic resin reactants
01/21/1986US4565259 Connection block
01/21/1986US4565221 Control valve assembly
01/21/1986CA1199704A1 Electrohydraulic drive for process line winders, unwinders, and other equipment
01/15/1986EP0168364A1 Hydraulic accumulator
01/15/1986EP0167818A1 Hydraulic control device
01/14/1986US4564169 Fluid actuator for stepwise regulation of valves
01/14/1986US4564038 Hydraulic flow divider/integrator with regulating slide valves with single control edge for two or more consumers
01/14/1986US4563939 Operating a pressure fluid drive device for accelerating/decelerating
01/07/1986CA1198965A1 Hydraulic control apparatus for a servo-motor particularly for vehicle steerings
12/1985
12/31/1985US4561824 Hydraulic drive system for civil engineering and construction machinery
12/31/1985US4561463 Sectional valve having dual pressure relief
12/31/1985US4561462 Multiple control valve system
12/31/1985US4561345 Pneumatic setting device
12/31/1985US4561341 Hydraulic circuitry for a backhoe
12/31/1985US4561249 Control system for hydraulic circuit apparatus
12/27/1985EP0165281A1 Compressed air flow rate limiter.