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9038659 Relief valve device  
The invention allows securing greater discharge pressure and flow rate at high revolutions of an engine in order to secure lubrication and cooling, while reducing discharge pressure and flow rate...
9022072 Valve array  
A valve array includes a reservoir containing a pressurized fluid, a non-return valve and a seat valve that is actuatable so as to allow the fluid to flow out of the reservoir. The seat valve is...
9010374 Regulator valve with integrated direct acting solenoid  
A control valve for an automatic transmission includes a valve body including a chamber and a control pressure port, metering edges formed in the valve body at the control pressure port, a...
9010373 Pressure balanced valve with diaphragm valve member end seal  
A diaphragm sealed, pressure balanced valve assembly includes a valve body and a cartridge connected to the valve body. The cartridge includes a cartridge loading end having a retaining member...
8978701 Energy-saving valve  
An energy-saving valve includes a spool-driving unit which changes the position of a spool to a position at which compressed air is discharged from a first output port without pressure control and...
8960233 Solenoid valve  
A solenoid valve 10 including a valve sleeve 41, and a solenoid portion 20 which is mounted at one end along axial direction of the valve sleeve 41. A plurality of ports 51 to 54 are formed on the...
8960232 Latch valve for actuating a transmission control element  
A latch valve includes a first port containing line pressure, a second port containing control pressure, a third port located between the first and second ports, alternately connecting the first...
8944103 Meterless hydraulic system having displacement control valve  
A hydraulic system is disclosed. The hydraulic system may have a pump, a tank, a displacement actuator having first and second chambers, a regeneration valve, and a load-holding valve. The...
8936042 Dual control dead man system  
A dual control shut off system, such as a dead man system for a blasting system, blasting equipment, or other equipment having both pneumatic and electric safety control circuits, may include an...
8931758 Solenoid valve  
Provided is a solenoid valve stable in response performance, whose quickness and damping performance are appropriate. In the solenoid valve, a respiration port for flowing fluid into and out from...
8899387 Valve assembly  
A valve assembly including a housing (24′) provided with an inlet port (12′), a delivery port (14′), and an exhaust port (16′), the valve assembly further including a first movable element (32′),...
8857313 Fluid operated actuator system  
An actuation system (200) is provided. The actuation system (200) includes a fluid operated actuator (211) and a control valve (230). The control valve (230) is movable between a first position...
8851118 Solenoid valve  
A solenoid valve comprises a first mouth for an inlet of a working fluid and a second mouth and a third mouth for an outlet of the working fluid. The valve has a first operating position in which...
8844291 Universal heat engine  
A universal heat engine is disclosed for converting energy from an input heat source to an output. The universal heat engine comprises a heat engine section and an output section. The heat engine...
8757208 Proportional motion control valve  
A proportional motion control valve includes an electro-mechanical actuator that provides an infinitely controlled pressure setting in response to an electric signal applied to the...
8752585 Pressure control valve  
A pressure control valve includes a housing comprising a reference pressure connection, a reference pressure chamber, a preliminary pressure connection, a preliminary pressure chamber, a control...
8726937 Control device for an extracting unit in the work face of a mine  
The invention relates to a control device for an extracting unit in the face of a mine, for actuating the hydraulic actuator in the sense of drawing, stepping, setting, and having a plurality of...
8678033 Proportional valve employing simultaneous and hybrid actuation  
Disclosed is an exemplary valve having a first valve member that may include at least one orifice, and which is moveable between a first position and a second position, and a second valve member...
8662109 Proportional pressure control valve  
A proportional pressure control valve includes a valve box (10) having a pump (P), user (A) and reservoir (T) connections. Control piston (18) is guided in a longitudinally displaceably inside the...
8651140 Valve arrangement for different flow rate categories  
A valve arrangement has several valve clusters which are designed for different nominal flow rates. Each valve cluster (1c) comprises a valve base (2) fitted with valve units (4), the valve units...
8640723 First-stage pilot valve  
A pilot valve configured to provide a control pressure within a dynamic fluid system, the pilot valve comprising: (a) a valve body having a supply port, a return port, and a control pressure port,...
8590571 Latching valve  
A latching valve system includes a housing, a supply port defined in the housing, a delivery port defined in the housing, an exhaust port defined in the housing, an apply port defined in the...
8567442 Soft start device for pneumatic systems and method for the operation of a soft start device  
In a soft start device for pneumatic systems comprising a primary inlet where compressed air can be supplied at primary pressure, wherein the primary inlet is, via a valve circuit, connected to at...
8567443 Spool-type selector valve  
A tapered face whose hole diameter is gradually reduced toward a riding-on direction is formed at a valve-seat end of a supply valve seat or an discharge valve seat where a seal member of a spool...
8522821 Torque motor linearization  
A servovalve torque motor includes first and second pole pieces and an armature. Each of the first and second pole pieces includes an armature face that opposes the armature. The area of the...
8474486 Actuator system  
An actuator system (14) comprising a valve assembly (40) having an inner spool (50), an outer spool (60), and a sleeve (70). An assembly (80) directly drives the inner spool (50) to move it...
8474487 Latching valve  
A latching valve includes a housing, a supply port, defined in the housing, which receives supply pressure, a delivery port defined in the housing, an exhaust port, defined in the housing, and an...
8464757 Hydraulic valve device  
A hydraulic valve device includes a fluid connection arrangement (10) having different connections and a mobile control (18) for at least partially controlling connections of the fluid connection...
8453678 Piloted poppet valve  
A valve assembly includes a valve body having a valve bore. A valve member is slidably disposed within the valve bore between first and second stop positions. First and second valve elements of...
8439329 Method and device for operating an electropneumatic valve  
The disclosure relates to a method and device for operating an electropneumatic valve for driving a pneumatic actuator drive to activate fittings in automation systems. The valve has at least one...
8430125 Combined control valve and coupler  
A control valve includes a body including an internal passageway and is constituted at one end as a coupler that includes a valve poppet openable to allow fluid access to or from the passageway...
8430127 Electrohydraulic control module  
Disclosed is an electrohydraulic control module capable of being reduced in the number of components. A control valve 6 includes a concave portion 51 that serves as an oil pathway. An electronic...
8418722 Pressure-regulator servovalve with reduced leakage rate  
The invention relates to a pressure-regulator servo-valve comprising a body having a utilization port, a pressure feed port, and a return port, a distributor spool movably mounted in the body to...
8418724 Solenoid valve  
In a solenoid valve, multiple flow-blocking portions are formed in a passage between a supply port (23) and an output port (24) and a passage between the output port (24) and a drain port (25)....
8413679 Modular control device, especially of an electro-fluidic type  
A modular control device (1) is proposed, containing a support module arrangement (3) equipped with a control module arrangement (15). Additionally provided information-carrying modules (42) make...
8397758 Valve  
A valve, particularly a proportional pressure control valve for controlling fluid flows, includes a valve housing (10) having at least three fluid-conducting connections in the form of a pump...
8387644 Solenoid operated fluid control valve  
Solenoid operated fluid control valve for a cam phasing mechanism of an internal combustion engine includes first and second control ports, a 2-stage hydraulically pilot-actuated, pressure...
8376314 Methods and apparatus to exclude function fluid or seawater from solenoid armature cavities in subsea or surface solenoid valves  
A controllable solenoid valve having a sealed chamber that isolates the armature cavity from the function fluid or external water sources with oil or dielectric fluid and is ported to a reservoir...
8375989 Method of operating a control valve assembly for a hydraulic system  
A method of operating a control valve assembly for a hydraulic system includes detecting the current operation of a first position sensor and a second position sensor to determine if at least one...
8375992 Adjustable pressure control valves  
A solenoid operated valve and method of assembly characterized by a threaded connection between the pole piece (69) and the cage (11), the threaded connection (75) including a first threaded...
8371335 Solenoid valve assembly  
A solenoid valve assembly includes a three-port solenoid valve and a solenoid-valve holder having the solenoid valve mounted thereon, so that the solenoid valve can be attached on a pneumatic...
8347921 Parallel type valve assembly  
Two connected valve units each formed by serially connecting plural electromagnetic valves in a direct abutment state are disposed in parallel between two end blocks. The two end blocks are...
8316757 Hydraulic control valve assembly with monolithic body and single spool port lock  
A hydraulic control valve with a monolithic body having four sides located between a top and a bottom, and all pilot ports on a body front side, valve work ports on the top side, three bores...
8312895 Solenoid valve device  
A solenoid valve device includes a solenoid valve that has a solenoid portion, a valve element that drivingly slides using electromagnetic force generated by the solenoid portion and regulates and...
8307902 Downhole flow control tool and method  
A downhole flow control tool 1, includes a flow control member in the form of a sleeve 8, and comprises a main body 2 having a longitudinal internal bore 3 extending therethrough, an upper end 4...
8267120 Control valve assembly for load carrying vehicles  
A control valve assembly is provided for a load carrying vehicle that includes a storage space and a dumping mechanism. The control valve assembly includes a housing and a sliding valve positioned...
8244407 Method for actuating a hydraulic servo system  
A method for actuating a hydraulic servo system with a proportional valve that converts an electrical control signal into a hydraulic pilot pressure with which the hydraulic servo system is...
8220478 Fluid flow control apparatus  
A main control valve is actuated by a pilot fluid control signal between open and closed positions to supply fluid to an actuator such as a valve actuator. A stack of logic control valves is...
8191579 Directional or flow control valve  
A directional or flow control valve has an inlet connection, an outlet connection, and a slide that controls a fluid connection between the inlet connection and the outlet connection and is...
8172197 Fast-acting pneumatic diaphragm valve  
A fast-acting, pneumatic diaphragm valve includes a diaphragm valve closure member, a pneumatic piston that provides a closure force on the closure member, and a solenoid pilot valve that controls...