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Match Document Document Title
9032996 Shaft sealing device and valve structure using the same  
A shaft sealing device switches a sealing state and an unsealing state of a fluid, with high sealing performance maintained, because no abrasion accompanies movement of a sealing material or a...
9022067 Dual variable valve solenoid module  
A solenoid valve module includes a first solenoid valve having a first solenoid portion and a first valve body and a second solenoid valve having a second solenoid portion and a second valve body....
8931511 Valve device and failure detector of hydraulic circuit  
A valve device is provided with a contraction-type high polymer gel actuator which laminates slab-like negative plates and mesh-like positive plates alternately and interleaves high polymer gel...
8931517 Solenoid valve  
The present invention provides a solenoid valve able to control flow amount as desired without receiving influence of change in fluid pressure. In the present invention, in a control valve for...
8925582 Oil control valve for the variable valve lift system  
The present invention relates to an oil control valve for a variable valve lift system that obtains in a stable manner a constant hydraulic pressure in the hydraulic line connecting the oil...
8919374 Hydraulic control valve with two valve slides  
An electromechanically actuated, hydraulic control valve with a double slide arranged in a valve housing which is in fluid communication with at least three hydraulic-fluid ports wherein a first...
8851112 Dual configuration hydraulic manifold apparatus and system  
The invention relates to a hydraulic manifold apparatus and system, connectable to a dual stage motor, for use in the topdrive of drilling operations. The hydraulic manifold is switchable between...
8844566 Vitrectomy probe with adjustable cutter port size  
Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are...
8794718 Valve unit for an electro-pneumatic brake control device for controlling a parking brake  
A valve unit for an electro-pneumatic brake control is connected to an input of an air-quantity-boosting valve for the aeration/venting thereof. A double-armature solenoid valve includes primary...
8746279 Pressure control valve  
A valve assembly includes a housing with a housing control bore, a supply port in selective fluid communication with the housing control bore for receiving working fluid from a working fluid...
8739862 System for controlling flow of an actuating fluid  
A valve system structure to facilitate actuation of tools, such as actuating pads in a steering section of a wellbore drilling assembly. A valve system may comprise a bi-stable actuator which...
8733395 Solenoid operated fluid control valve  
Solenoid operated fluid control valve for controlling the pressure of a fluid in a fluid control system comprises a solenoid housing having therein a solenoid coil, an armature movable in response...
8714195 Fluid control valve  
A fluid control valve wherein a main valve body includes: a high-pressure passage providing communication between a suction port and a sleeve in which a spool is fitted; a tank passage providing...
8701707 Pressure control valve device  
A pressure control valve device with at least one inlet area and first and second outlet areas which can be connected by two poppet valves. A flow guide device (21), with inflow and outflow areas...
8689833 Valve device  
The invention relates to a valve device for the fluid supply of fluid consumers, comprising several valve modules (2) arranged next to each other in the direction of stacking (3). Said valve...
8607821 Stack valve  
A stack valve 1 includes a boom direction switching valve 11 (first direction switching valve) connected to an unloading path 21 and a service valve 13 (second direction switching valve) connected...
8561644 Pulsator apparatus and method of operation  
A pulsator comprises a valve chamber and an armature arranged in the valve chamber. An electrically powered coil at least partially surrounds the valve chamber and generates a magnetic flux. A...
8528599 Pulse width modulated solenoid  
A pulse width modulated solenoid system having low noise characteristics is described. Noise reduction is primarily achieved by separating the solenoid device from the insulator and the manifold...
8490380 Internal continuous combustion engine system  
A continuous combustion system for an internal combustion engine includes a reaction vessel external to the engine cylinders. The reaction vessel contains a combustion chamber for sustaining...
8479770 4-way valve system  
The invention relates to valve system made up of multiple three way valves mechanically coupled together to produce the functionality of a four way valve.
8434518 Control valve  
The control valve has a body; a supply port, an output port, and a discharge port; a first pressure-sensing device; the valve body having a first valve section surface that forms a first valve...
8434517 Control valve  
The present invention relates to a control valve capable of performing capacity control independent of the pressure of operation fluid. In the control valve which opens and closes a first poppet...
8413674 Valve with electromechanical device for actuating the valve  
The invention relates to an assembly comprising an electromechanical device and a self-sealing valve, and in particular, to any inflatable device that includes the assembly. In one embodiment, the...
8413685 Control valve  
The present invention enlarges the working pressure flowing into the working chamber and improves the response ability of the valve controlling the fluid using a compact solenoid portion. In the...
8403002 Directional control fluid valve  
A directional control fluid valve for establishing a first throughflow path, with which fluid is sucked in and supplied under pressure to a consumer, and a second throughflow path with which fluid...
8371331 Solenoid operated fluid control valve  
Solenoid operated fluid control valve for controlling the pressure of a fluid in a fluid control system comprises a solenoid housing having therein a solenoid coil, an armature movable in response...
8322376 Solenoid valve  
In one embodiment, a solenoid valve includes a supply port that fluidly communicates with a source of compressed air, a delivery port, a bore that selectively fluidly communicates with the supply...
8291925 Method for operating a hydraulic actuation power system experiencing pressure sensor faults  
A method for operating a hydraulic actuation system during a pressure sensor malfunction is provided. The hydraulic actuation system includes a pump, a reservoir, a first work-port and a second...
8267004 Adaptable hydraulic control system  
An adaptable hydraulic control system configured to be used with either open-center or closed-center hydraulic power systems which may include one or more switches, one or more hydraulic circuits...
8230881 Valve  
A valve with an inlet and an outlet as well as a return. In the inlet a first screen is provided. This screen is designed sharp or short.
8220485 Pneumatic pilot valve  
A pneumatic pilot valve comprises a valve body having an inlet, an outlet, a flow passage, and first and second valves arranged to control flow through the valve. The second valve includes a...
8156953 Method and device for regulating a pressure in a hydraulic system  
The present invention relates to a method for regulating a pressure in a hydraulic system for operating at least one actuator in a subsea installation, having a fluid supply line (102) connected...
8127791 Solenoid operated fluid control valve  
Solenoid operated fluid control valve for controlling the pressure of a fluid in a fluid control system comprises a solenoid housing having therein a solenoid coil, an armature movable in response...
8100142 Bleed-type electromagnetic valve  
A bleed solenoid valve that includes a valve main body that is hollow and formed with an input port, an output port, and a discharge port; a flow-changing part that is accommodated inside the...
8006717 Injection valve of high pressure homogenizer and injection valve unit of the same  
A high pressure homogenizer segmentalizes material made of minute solid or the like by passing suspension liquid including the material to a small diameter orifice at high speed under high...
7984729 Proportional pressure control valve for regulating the pressure level in a hydraulic circuit, particularly in a hydraulic circuit of an automated transmission  
A proportional pressure control valve for regulating the pressure level in a hydraulic circuit including a magnet part and a valve part. The valve part includes an inflow opening for the inflow...
7946308 Methods of packaging valve chips and related valve assemblies  
A valve chip may include a substrate having first and second faces and openings between the first and second faces, and a plurality of flexible valve flaps on one of the faces of the substrate...
7909058 Valve-intensive button for adjusting height of cushion seat for vehicle  
The present invention relates to a manipulation button 40 for adjusting the height of a cushion seat for a vehicle that is capable of absorbing the shocks applied to a driver sitting on the...
7905249 Proportional pressure control valve comprising a pressure jump in the characteristic p/l curve thereof  
An electromagnetic proportional pressure-control valve of a vehicle transmission which includes a magnet part, a hydraulic part and a spring operatively connecting the magnet part to the hydraulic...
7866344 Rotary valve  
A rotary valve for controlling air supply in an inflatable device comprises a first rotor (11) and the second rotor (12) driven by motor (13) with a drive pulley (14) fixed directly onto its drive...
7823602 Hydraulic system having at least one hydraulic valve for actuating a component  
A hydraulic system having at least one hydraulic valve for actuating a component, wherein a control pressure acting on the hydraulic valve can be activated through a supply pressure of a pilot...
7810518 Sub-sea solenoid valves  
A solenoid-operated valve comprises an inlet valve member which is disposed to close in response to fluid pressure at an inlet port. A venting valve member is disposed relative to the inlet valve...
7766040 Pressure control valve assembly  
A pressure control valve assembly including a valve body with a valving cavity, a metal insert, a member and ball, a plastic internal ball guide, and a plug. The metal insert, which is received...
7753072 Valve assemblies including at least three chambers and related methods  
A valve assembly may include a main housing and first and second electro-statically actuated valves. The main housing may define at least three chambers, with a first chamber configured to be...
7748405 System, method and apparatus for reducing frictional forces and for compensating shape memory alloy-actuated valves and valve systems at high temperatures  
A valve system including a number of shape memory alloy (“SMA”)-actuated valves for controlling the flow of fluids is disclosed as is a variety of types of SMA-actuated valves and methods of...
7721760 Device and valve combination for reversing the flow of flowing media  
In a device for reversing the flow of flowing media including two multi-way valves (21) which are fluidically interconnected and mounted on an adapter plate (32), the two valves are identical and...
7717128 Pressure balanced three-way valve for motion control  
A switching control valve for use in controlling the motion of a hydraulic component is provided. The valve includes a housing that defines a feed port, an outlet port, a drain port, and a...
7703478 Shifting unit  
In a shifting unit (1) for a vehicle transmission gearbox, the switching unit comprising valves which are connected between with one another by a pressure supply line conduit (58) and by a...
7650906 Valve apparatus having O-ring  
A valve apparatus is adapted to be at least partially inserted into an insertion hole of a counterpart member. The valve apparatus includes a housing and an O-ring. The housing is adapted to be...
7644724 Valve with electromechanical device for actuating the valve  
The invention relates to an assembly comprising an electromechanical device and a self-sealing valve, and in particular, to any inflatable device that includes the assembly. In one embodiment, the...

Matches 1 - 50 out of 444 1 2 3 4 5 6 7 8 9 >