Patents
Sitemap › F15 - Fluid-pressure actuators; Hydraulics or pneumatics in general › F15B - Systems acting by means of fluids in general; Fluid-pressure actuators, e.g. servomotors; Details of fluid-pressure systems, not otherwise provided for › F15B 11 - Servomotor systems without provision for follow-up action
Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384)
11/1982
11/09/1982US4357995 Hydraulic system including oil replenishment for multi-stage hydraulic jack
11/02/1982US4356840 Digital fluid flow control system
11/02/1982CA1134713A1 Hybrid hydrostatic pneumatic power generation system
10/1982
10/26/1982US4355565 Fluid circuit with zero leak load check and by-pass valve
10/20/1982EP0063025A1 Hydraulic control circuit for an hydraulic ram
10/14/1982WO1982003432A1 Fully compensated fluid control valve
10/12/1982US4353289 Power transmission
10/12/1982CA1133359A1 Lock with variable length piston and hydraulic system for a work implement using the same
10/12/1982CA1133358A1 Detent mechanism and transmission speed range selector valve
09/1982
09/29/1982EP0060945A1 Fluid piston device
09/28/1982US4351357 Fail safe compensator used in a hydraulic servo control system
09/28/1982US4351153 Hydraulic control device
09/28/1982CA1132441A1 Pressure intensifier systems
09/28/1982CA1132439A1 Variable flow control valve for steering systems of articulated vehicles
09/28/1982CA1132435A1 Hydraulic manifold assembly
09/21/1982US4350289 Selectively controlled air conditioner outlet system of a vehicle
09/21/1982US4350078 Apparatus for restricting the velocity of a hydraulic piston in its end positions
09/15/1982EP0059853A2 Servo-control for a transmission
09/14/1982US4349041 Control valve system for blowout preventers
09/14/1982US4348942 Pressure-medium connection between a valve block and a load which has at least one double-acting pressure-medium motor
09/14/1982CA1131544A1 Overrunning load control for hydraulic motors
09/08/1982EP0059471A2 Hydrostatic drive system for civil engineering and construction machinery
09/08/1982EP0059406A1 Flushing valve system in closed circuit hydrostatic power transmission
08/1982
08/31/1982CA1130891A1 Load responsive system pump controls
08/24/1982US4345453 Hydraulic press
08/24/1982US4345436 Control for load sharing pumps
08/24/1982US4345435 Power transmission
08/24/1982CA1130167A1 Power transmission
08/18/1982EP0058131A2 Vibrator
08/18/1982EP0057996A1 Fluid piston device
08/17/1982US4344285 Signal bleed-down valve
08/17/1982US4344284 Hydraulic auxiliary power steering
08/11/1982EP0057526A2 Hydraulic circuit selector with flow control
08/11/1982EP0057301A1 Pneumatic cylinder assemblies
08/10/1982US4343228 Hydraulic cylinder arrangement
08/10/1982US4343226 Arrangement for hydraulic presses and bending presses
08/10/1982US4343151 Series - parallel selector for steering and implement
08/03/1982US4342256 Control device for a hydraulic motor
08/03/1982US4342254 Circuit for hydrostatically operable devices
08/03/1982US4342164 Counterbalancing hydraulic system
07/1982
07/28/1982EP0056770A2 A regenerative and anti-cavitation hydraulic system for an excavator
07/28/1982EP0056514A2 Hydraulic control system
07/28/1982EP0056369A1 Pressure reducing valve for dead engine lowering.
07/28/1982EP0050118A4 Control for load sharing pumps.
07/27/1982US4341149 Selectively actuatable fluid control system for a work element
07/22/1982WO1982002423A1 Valve actuator
07/21/1982EP0056230A1 Hydraulic drive system for single rod cylinder
07/20/1982US4339987 Pressure detent mechanism
07/14/1982EP0055794A2 Hydraulic power transmission
07/13/1982US4338962 Control and relief valves
07/08/1982WO1982002230A1 System with constant force actuator
07/08/1982WO1982002229A1 Control for dead engine lower
07/06/1982US4337620 Load sensing hydraulic system
06/1982
06/30/1982EP0054619A1 Actuator with differential piston
06/22/1982US4335867 Pneumatic-hydraulic actuator system
06/22/1982US4335577 Hydraulic system having variable displacement pumps controlled by power beyond flow
06/22/1982US4335561 Header height position control for a cotton harvester
06/22/1982CA1126130A1 Hydraulic system with priority control
06/16/1982EP0053608A1 Valve system.
06/15/1982US4334408 Pneumatic and hydraulic power control of drill
06/15/1982CA1125626A1 Closed center draft control valve
06/09/1982EP0053544A1 Hydraulic motor and hydrostatic power transmission employing this motor
06/09/1982EP0053506A2 Electro-hydraulic control system
06/09/1982EP0053444A2 Control system for a fluid pressure engaged clutch
06/09/1982EP0053370A2 Method to control a hydraulic mechanism, and hydraulic mechanism suited to carry out said method
06/09/1982EP0053323A1 Hydrostatic transmission system with a variable pump and several actuators
06/09/1982EP0053297A1 Steering device for industrial trucks
06/08/1982US4333389 Load responsive fluid control valve
06/08/1982CA1125145A1 Power transmission
05/1982
05/27/1982WO1982001749A1 Load supporting hydraulic circuit with emergency automatic load restraint
05/27/1982WO1982001748A1 Load responsive flow control valve
05/26/1982EP0052405A1 Device for controlling the pressure difference in a hydraulic motor
05/26/1982EP0052248A1 System of module parts for swivel connections, swivel arm with these parts and the use in taphole drilling machines for shaft furnaces
05/25/1982US4330991 Load responsive system controls
05/19/1982EP0051728A1 Hydraulic motor control system
05/19/1982EP0051603A1 Series-parallel selector for steering and implement.
05/18/1982US4330009 Exhaust pressurization of load responsive system
05/18/1982CA1123709A1 Differential area electrohydraulic doser actuator
05/13/1982WO1982001572A1 Method and device for synchronization of actuating mechanisms
05/12/1982EP0051186A1 Hydraulic system comprising a locking device for maintaining a control valve in its working position
05/04/1982US4327763 Dual control input flow control valve
05/04/1982US4327627 Load responsive fluid control valve
05/04/1982US4327549 Controlled pressure upstaging and flow reduction
04/1982
04/28/1982EP0050319A2 Control System for superhigh pressure generation circuit
04/28/1982EP0050118A1 Control for load sharing pumps.
04/20/1982US4325408 Exhaust pressurization of load responsive system
04/20/1982US4325400 Fluid flow equalizing valve arrangement
04/20/1982US4325289 Load responsive fluid control valve
04/20/1982CA1122101A1 High pressure hydraulic system
04/01/1982WO1982001042A1 Vent valve for cylinder mounted check valve
03/1982
03/30/1982US4321793 Integrated hydraulic circuit for off highway work vehicles
03/30/1982CA1120827A1 Control valve for working machine
03/30/1982CA1120826A1 Control valve for working machine
03/24/1982EP0047885A1 Flow control valve arrangement
03/23/1982CA1120379A1 Composite pneumatic-hydraulic system in a dockleveller installation
03/18/1982WO1982000862A1 Actuator system for a control surface of an aircraft
03/18/1982WO1982000861A1 Motor displacement control system
03/16/1982US4319609 Five-position hydraulic actuating apparatus
03/09/1982US4318332 Hydraulic apparatus
03/02/1982US4317466 Hydraulic drive circuit for load-handling machines
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