Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384)
06/1983
06/08/1983EP0080958A1 Automatic pressurization of pneumatic devices in two times
06/07/1983CA1147760A1 Running system for a work vehicle
06/01/1983EP0080441A2 Valve device for controlled pressurization of a pressure fluid system
06/01/1983EP0080135A1 Hydraulic control system for a hydraulic actuator
06/01/1983EP0079979A1 Hydraulic loading device, especially for catapult systems
05/1983
05/26/1983WO1983001819A1 Hydraulic control system having reciprocating pump and handle operated rotating valve
05/26/1983WO1983001760A1 Cabtilt system with synchronizing valve
05/25/1983EP0079870A2 Hydraulic valve means
05/25/1983EP0079627A2 Device for the sequential operation of controlled members
05/17/1983US4383476 Apparatus for controlling a single action operating cylinder, especially of a press operating cylinder
05/17/1983US4383475 Hydraulic cylinder and piston with automatic reciprocation valve
05/17/1983US4383412 Multiple pump load sensing system
05/17/1983CA1146447A1 Hydraulic control circuit system
05/11/1983WO1983001662A1 Digital drive control of compensated valves
05/11/1983WO1983001661A1 Lock valve
05/10/1983US4382604 Structure of a running system in a work vehicle
05/04/1983EP0077837A1 Double cylinder unit
05/03/1983US4381701 Servomotor featuring a servovalve controlling a hydraulic drum motor
05/03/1983US4381699 Hydraulic control system
05/03/1983CA1145603A1 Device for speed control of cylinder piston, particularly useful for a firearm
04/1983
04/28/1983WO1983001417A1 Keyboard actuator
04/27/1983EP0077728A1 Fluid distributing device
04/27/1983EP0077598A1 Electrohydraulic doser actuator
04/27/1983EP0077597A1 Device for rotary actuation
04/26/1983CA1145226A1 Closed center programmed valve system with load sense
04/13/1983EP0076485A1 Control system for hydraulic circuit apparatus
04/06/1983EP0051603A4 Series-parallel selector for steering and implement.
04/05/1983US4378675 Hydraulic pump interlock system
03/1983
03/31/1983WO1983001095A1 Hydraulic valve means
03/29/1983US4378200 Power transmission
03/22/1983US4377183 Adjustable flow restricting valve
03/22/1983CA1143252A1 Hydraulic circuitry for a backhoe
03/16/1983EP0074333A1 Hydraulic motor for the working piston of a coffee machine
03/03/1983WO1983000727A1 Pressure compensated fluid control valve
03/03/1983WO1983000726A1 Load responsive system controls
03/02/1983EP0073182A2 Sequential register for pressure fluid system
03/02/1983EP0073148A2 Hydraulic control system
03/02/1983EP0072952A2 Hydraulic motor control device
03/02/1983EP0072793A1 Control for dead engine lower.
03/01/1983US4375181 Hydraulic cylinder extending in three force modes
03/01/1983CA1142057A1 Power transmission
03/01/1983CA1142056A1 Hydraulically actuated apparatus
02/1983
02/23/1983EP0072753A2 Pressure fluid modular distribution system
02/23/1983EP0072539A2 Hydraulic circuit of hydraulic power shovel
02/23/1983EP0012769B1 Pressure raising hydropneumatic control device
02/22/1983US4374485 Single annular membrane type of pneumatic positioner
02/22/1983CA1141628A2 Hydraulic system for harvesting machines
02/22/1983CA1141627A1 Hydraulic system for harvesting machines
02/22/1983CA1141626A1 Apparatus for setting the position of a device provided with a plurality of adjusting hydraulic cylinders
02/17/1983WO1983000542A1 Fluid flow control system for an extensible jack
02/17/1983WO1983000540A1 Pneumatically controlled pressure transducer for actuating hydraulic working members
02/15/1983US4373425 Hydraulic engine
02/15/1983CA1141266A1 Fluid motor control circuit with fast-acting quick-drop valve
02/09/1983EP0071530A1 Hydraulic system
02/09/1983EP0071228A2 Control system for hydraulic circuit apparatus
02/08/1983US4372193 System with constant force actuator
02/08/1983CA1140836A1 Pneumohydraulic pumping station
02/08/1983CA1140835A1 Series parallel selector for steering and implement
02/08/1983CA1140834A1 Fluid motor control system providing speed change by combination of displacement and flow control
02/08/1983CA1140763A2 Apparatus for straight line shearing
02/08/1983CA1140762A2 Apparatus for straight line shearing
02/08/1983CA1140761A2 Apparatus for straight line shearing
02/08/1983CA1140760A2 Apparatus for straight line shearing
01/1983
01/25/1983CA1140023A1 Pressure regulator and flow control valve with pre-exhaust
01/19/1983EP0070005A1 Hydraulic fluid circuit of hydraulic shovel
01/18/1983CA1139638A2 Hydraulic system with selectively connectable pumps
01/12/1983EP0069128A1 Valve actuator
01/11/1983US4367624 Control system for hydraulic actuator
01/11/1983CA1139186A1 Dual speed hydraulic piston assembly
01/05/1983EP0068197A1 Locking apparatus of inertial mass drive hydraulic circuit system
01/04/1983US4366673 Hydraulic amplifier
01/04/1983CA1138740A1 Power transmission
12/1982
12/29/1982EP0067934A2 Compressed-air economizing device
12/28/1982US4365645 Three-way flow-regulating valve
12/23/1982WO1982004415A1 Mechanism and device for applying a force, in particular the application of a manually-generated force to a workpiece, for example in the separation of co-operating male and female parts
12/22/1982EP0067719A1 Piston-cylinder assembly
12/21/1982US4364304 Arrangement for influencing the operating quantity of a servomotor
12/21/1982US4364301 Vacuum actuator
12/15/1982EP0066717A2 Hydraulic control system comprising a meter-in valve means
12/14/1982US4363260 Air cylinder
12/08/1982EP0066398A2 Hydraulic control systems
12/08/1982EP0066362A2 Fluid control system
12/08/1982EP0066274A1 Valve arrangement for increasing the operating speed of a working cylinder
12/08/1982EP0066151A2 Hydraulic control system comprising a pilot operated check valve
12/07/1982US4362088 Load responsive fluid control valve
12/07/1982US4362087 Fully compensated fluid control valve
12/07/1982US4362084 Hydraulic actuator controls
12/07/1982US4362018 Hydraulic rotation control circuit
12/07/1982CA1136957A1 Hydraulic engine
11/1982
11/30/1982US4361074 Hydromechanical automatic reversing device for linear hydraulic rams
11/25/1982WO1982004105A1 Fluid control system
11/24/1982EP0065304A2 Electrohydraulic transmission
11/24/1982EP0064981A1 Load supporting hydraulic circuit with emergency automatic load restraint
11/23/1982US4359931 Regenerative and anticavitation hydraulic system for an excavator
11/23/1982CA1136021A1 Pneumatic and hydraulic power control of drill
11/17/1982EP0064497A1 Load responsive flow control valve
11/16/1982US4358989 Device for reducing piston velocity in a cylinder
11/16/1982CA1135593A1 Selectively actuatable fluid control for a work implement
11/11/1982WO1982003896A1 Double cylinder unit
11/10/1982EP0064332A1 A fluid control valve and a fluid control system