Abstract: A power generation system valve stem comprising a nickel-based substrate and a WC-based coating thereon, wherein the WC based coating comprises WC particles in a matrix of Ni and/or Co wherein the average interfacial spacing between the WC particles is between 5 microns and about 20 microns on average.

Abstract: A control valve for a hydraulic adjuster for the camshaft of an internal combustion engine is provided, wherein an actuator acts on a pressure part (12) embedded in a control piston (5). In order to prevent the piston (5) from being blocked in the valve housing by the expansion thereof caused by the pressure part embedment, the pressure part (12) and/or the control piston (5) is/are provided with radial recesses (34) in the embedment area (13) which make it possible to limit joining forces and the resulting radial expansion of the piston (5). Alternatively or in addition, the external surface of the control valve (5) has a reduced cross-section in the embedment area (13).

Abstract: A valve component for a faucet includes a substrate comprising a base material and a strengthening layer provided above the substrate in an amount sufficient to improve abrasion resistance of the substrate, the strengthening layer comprising tantalum. A layer including amorphous diamond is provided above the strengthening layer. The amorphous diamond has sp3 bonding of at least about 40%, a hardness of at least about 45 GPa, and an elastic modulus of at least about 400 GPa.

Abstract: A valve-venting method increases the durability of flow restrictors within gas venting valves used on large diameter water and sewer pipelines such that transient high pressure conditions that can cause rapid adiabatic heating of the discharging gases are prevented from causing flow erosion and debris wear induced by the high velocities and thermal softening of the valve components. The method utilizes wear resistant orifice inserts that are more conductive than the valve component to better distribute the heat, and dynamic surge control geometry to slow the heat flow and provide progressive water-hammering control during high pressure events.

Abstract: A butterfly valve having a valve body, a butterfly shaft, a butterfly plate, and a sleeve insert is provided. The valve body is made of a first material and the sleeve insert is made of a second material. The butterfly shaft is in the valve body for rotation about a first axis. The butterfly plate is in the valve body and secured to the butterfly shaft so that rotation of the butterfly shaft causes the butterfly plate to rotate about a second axis through a travel path between a closed position and an open position. The sleeve insert is in the valve body at least in a region of the travel path between the valve body and the butterfly plate.

Abstract: The present invention features a steel-base sintering alloy having a high wear-resistance for a valve seat of an engine. In preferred embodiments, the steel-base sintering alloy may include a chief element of Ferrum (Fe); and a powder-alloy which are composed of Carbon (C) of 0.6˜1.2 wt %, Nickel (Ni) of 1.0˜3.0 wt %, Cobalt (Co) of 15.0˜25.0 wt %, Chrome (Cr) of 3.0˜9.0 wt %, Molybdenum (Mo) of 8.0˜15.0 wt %, Tungsten (W) of 1.0˜4.0 wt %, Manganese (Mn) of 0.5˜2.0 wt %, and Calcium (Ca) of 0.1˜0.5 wt %.

Abstract: An air operated double diaphragm includes an air valve, air chambers, a center section between the air chambers, pump chambers and diaphragms between the air and pump chambers harnessed together with a piston rod. The air valve includes a statically dissipative body having a bore therein with a statically insulative liner in the bore. The statically insulative liner is fully enclosed within the statically dissipative body. A valve element is slidably positioned in the liner. The liner includes annular tenons to mate with annular mortises in the statically dissipative body and an end cap is used to close the valve cylinder.

Abstract: A pressure relief valve includes a lever plate, a first spring, a fitting, and a guide assembly. The fitting has a first side, a second side, and a flange having a rounded end and includes a surface with which a first end of the first spring contacts. The guide assembly has two sides, two concavities, and at least a portion of the guide assembly extends through the opening of the lever plate, the first concavity is formed on the first side of the guide assembly and contacts the fitting flange rounded end, and the second concavity is aligned coaxially with the first concavity. A rounded end of a rod of the diaphragm assembly contacts the second concavity. The second spring is adapted to supply a second force against the diaphragm assembly to move the lever plate in a second direction that is substantially opposite the first direction.

Abstract: The present disclosure provides a valve for controlling the flow of abrasive particles along a predetermined path from the outlet of a hopper to a conveying line in a particle collection or transportation system. The design of the valve reduces the occurrence of erosive wear resulting from contact with the flow of abrasive particles. A method of making the valve that enhances the hardness of localized areas in the valve that are subject to high wear conditions is also disclosed.

Abstract: A flow control device (30) comprises a body (32) having an inlet (38), an outlet (40) and a passageway (36) therebetween. A wire (42) is positioned in the passageway (36) and a retaining means (44, 46) is provided for maintaining the wire (42) in the passageway (36).

Abstract: A vacuum solenoid valve may comprise a valve body defining an interior cavity and include a plurality of ports configured to be in fluid communication with the interior cavity of the valve body. One or more valve seats may be disposed about an opening between at least one of the plurality of ports and the interior cavity. One or more valve members may be configured to be moveably disposed within at least a portion of the interior cavity of the valve body and to sealingly engage with the valve member. Either the valve seat and/or the valve member may comprise a material having a higher resistance to wear and erosion compared to valve body.

Abstract: Valve trim apparatus having ceramic trim with protected shut-off surfaces are described. An example valve trim apparatus includes a valve seat composed of a non-ceramic material and having a sleeve insert composed of a ceramic material. A closure member has a primary flow control member and a secondary flow control member. The secondary flow control member is composed of the ceramic material and fitted within a cavity of the closure member. The primary flow control member sealingly engages the non-ceramic material of the valve seat and the secondary flow control member moves within an aperture of the sleeve insert to modulate a fluid flow through the valve seat as the primary flow control member disengages from the non-ceramic material of the valve seat.

Abstract: A film for a flush valve being integrally made of ethylene propylene diene monomer, and a hardness of the film being between shore A 70±5 degrees; a second top surface of a pressed portion the film includes a plurality of projected members arranged evenly thereon, a sum of areas of the projected members is between 12%-33% of an area of the second top surface of the pressed portion; the film being limited between a flowing loop of a positioning seat and a seat to expand and retract properly; the flowing loop including a circular recess formed on an upper side of the second fixing border to decrease a friction area as the film retracts to stabilize the retracted film; such that the film is deformed by the water pressure to expand and retract suitably so as to achieve stable water flush and water stop.

Abstract: A rotary valve comprising sliding members for supplying treatment gas containing water vapor to a plurality of treatment processes is provided. The rotary valve comprises sliding members (1, 2; 4, 6), through which open flow passages (8, 9, 10), having sliding surfaces slidable to each other and a mechanical seal mechanism for switching the flow passages (8, 9, 10) while sealing fluid by preliminarily pressing the sliding surfaces, wherein the sliding surface of each sliding members (1, 2; 4, 6) is made of hydrophobic material (2, 4) different in hardness from the other.

Abstract: A composite component includes at least two sections having different magnetization, the at least two sections in the integrally formed component lying directly next to each other. The base material of the composite component is a semi-austenitic steel. A first section has a higher saturation polarization Js than an adjacent second section, the second section having a minimum saturation polarization Js of 0.1 T to 1.3 T and/or a maximum relative permeability ?r of 2 to 150. The composite component is suitable for use in electromagnetic valves, e.g., in fuel injectors of internal combustion engines.

Abstract: The invention provides a valve and a method of operating the valve that makes it possible to reduce the diameter of the vacuum exhaustion pipings to make the facility for the vacuum exhaustion system small, which results in lower costs and shortens vacuum exhaustion time, and also which can prevent corrosion, cloggings, and seal leakages inside the piping system caused by the accumulation of substances produced by the decomposition of gas flowing through the pipings. In particular, in accordance with the present invention, an aluminum passivation is applied on the piping parts, i.e. the valve and others, that are used in the vacuum exhaustion system so as to inhibit gas decomposition caused by temperature rise at the time of baking so that components for reduction in the diameter size in the vacuum exhaustion system are provided. Thus, corrosion, cloggings and seat leakages caused by gas decomposition are prevented.

Abstract: A space-conserving integrated fluid delivery system which is particularly useful for gas distribution in semiconductor processing equipment. The fluid delivery system includes an integrated fluid flow network architecture, which may include, in addition to a layered substrate containing fluid flow channels, various fluid handling and monitoring components. The layered substrate is diffusion bonded, and the various fluid handling and monitoring components may be partially integrated or fully integrated into the substrate, depending on design and material requirements.

Abstract: A flow through pressure regulator apparatus and method for directing a flow of fuel and reducing valve seat wear within a fuel system. Present invention includes a lower housing having fuel inlet where fuel flows through the fuel inlet and communicates with a valve assembly and valve biasing member. The valve assembly comprises a lower and upper valve member where the lower valve element contains a plurality of fuel passages. The valve biasing member permits or inhibits fuel flow through the lower valve member by opening and closing an upper valve member. The valve biasing member comprises a flat disk having at least two reticulated concentric rings coupled by at least one bridge. The fuel flows past an open upper valve member through the plurality of fuel passages that encircle the lower valve member to the valve biasing member. The valve biasing member then diffuses the flow of fuel. A fuel cover directs the flow of fuel from the valve biasing member to the fuel outlet.

Abstract: A microvalve, in particular for a micropump, is described, which includes a valve member which is adjustable between an open position and a closed position, in contact with a valve seat in its closed position. The valve seat is made of a polymer material. A micropump and a manufacturing method are also described.

Abstract: A thermostatic valve comprising a valve head and a flat, annular, elastomeric sealing element at the valve head, a valve spring mechanically biasing the valve member against a valve seat and a temperature-sensitive expansible element the valve member displacing the valve member against the valve spring, characterized by the valve head comprising at its circumference an annular groove, the flat annular sealing element being stamped out of an elastomer which swells in the presence of water, in particular an EPDM material, and exhibiting a thickness which is equal to or slightly less than the width of the annular groove.

Abstract: An actuator housing unit for a system of layered surfaces, comprising an activated primary surface having a physical shape capable of change when activated by an electrical, chemical, or light stimulus, to expand and exert force or pressure or contract and remove force or pressure, upon activation or deactivation, to move or keep matter within the housing by direct or indirect contact.

Abstract: The invention relates to an injection valve member for a fuel injector, which injection valve member is of multi-part design and which has different functional regions. To reduce the production costs for a fuel injector having an injection valve member, the injection valve member includes two guide bodies which are fastened to a separate connecting rod.

Abstract: A wheel rim for use with an inflatable tyre for a vehicle comprises a pressure relief valve or a weakened section in the rim (11). The valve may comprise a main body (1) having flanges (2, 3) sealing against opposite faces of the rim (11) and legs to retain the valve in the rim. The weakened section may comprise a number of fingers radiating out from a central point. When the pressure inside a tyre on the rim exceeds a certain value the valve or weakened section releases the pressure to prevent over inflation and possible injury.

Abstract: A fluid control valve having a valve trim formed from a geo-polymer-based material so that it is capable of withstanding rapid and extreme thermal shock which can cause damage due to differential expansion of metal components. This invention uses geo-polymer-based materials which will resist damage and can be produced at lower cost with lower embodied energy than the prior art.

Abstract: A coating for fuel injector components adapted for use with low lubricity fuels is disclosed. The invention consists of a metal carbon material coating or a metal nitride coating to the fuel pump plunger or other fuel injection system components. The invention utilizes a coating on the fuel injector plunger that minimizes scuffing or seizure associated with the plunger and barrel.

Abstract: A method of making a one-way gas release valve for releasing gas pressure from within a coffee container comprises pre-oiling a relatively narrow dry strap of flexible material and laminating the pre-oiled dry strap between relatively wide ribbons of base and cover material with the dry strap overlying spaced vent patterns in the base material. Alternatively, the base material may be pre-oiled or both the base material and the dry strap may be pre-oiled. The dry strap and base may be made of PET and the cover may be made of mPET. Gas release valves are then die cut from the resulting web with each valve containing a vent pattern. Pre-oiling of the dry strap and/or the base can be accomplished through a roll metered process to insure that the oil is applied in precise amounts and with consistent thickness and coverage.

Abstract: Disclosed is a device that includes a choke valve. The choke valve may include a generally tubular throttling member having a sealing shoulder disposed in an inner volume of the throttling member, a plurality of openings configured to flow a fluid between the inner volume of the throttling member and an outer volume of the throttling member, and a flow-impeding recess disposed between the sealing should and the plurality of openings in the inner volume of the throttling member. The choke valve may also include a valve member disposed at least partially in the inner volume of the throttling member.

Abstract: This invention relates to valve assemblies having a valve seat body having an axial bore therethrough; wherein the valve seat body has an inclined seat surface located on an upper end of the seat body. The valve assemblies further include a valve member having a valve body such that the valve body is positioned within the axial bore of the valve seat body. A seal is disposed between the seat surface of the seat body and an annular seal surface of the valve member such that the seal prevents contact between the seat surface of the seat body and the valve member.

Abstract: A valve for use in a cabin pressure control system includes a valve body and a poppet. The valve body includes an inlet, an outlet, and a fluid flow passage therebetween. The poppet is disposed in the valve body. The poppet is moveable between at least a closed position, in which the poppet at least substantially restricts fluid from flowing through the fluid flow passage, and an open position, in which fluid is allowed to flow through the fluid flow passage. The valve body, the poppet, or both, have a fluorocarbon coating.

Abstract: Embodiments of a lightweight, high temperature airborne valve are provided. In one embodiment, the airborne vale includes a valve element and a flowbody. The flowbody is formed at least partially from a titanium aluminide alloy and has a flow passage therethrough in which the valve element is movably mounted. Embodiments of a method for producing such a lightweight, high temperature airborne valve are also provided. In one embodiment, the method includes the steps of forming a lightweight flowbody at least partially from a titanium aluminide alloy, hot isostatically pressing the lightweight flowbody, and machining the lightweight flowbody to desired dimensions.

Abstract: Systems and methods for bonding ceramic materials are disclosed herein. In various embodiments, a process is provided comprising the steps of disposing a bonding material at least partially adjacent to a surface of a first silicon carbide component and at least partially adjacent to a surface of a second silicon carbide component, and bonding said first silicon carbide component to said second silicon carbide component by heating, wherein said bonding material comprises vanadium or titanium.

Abstract: A valve component for a faucet includes a base material, a strengthening layer provided above the base material, and an amorphous diamond material provided above the strengthening layer. The amorphous diamond material having a hardness that is at least 20 GPa and less than 45 GPa and a modulus that is at least 150 GPa and less than 400 GPa.

Abstract: A wear resistant component for a faucet valve includes a substrate comprising a base material and a strengthening layer provided above the substrate in an amount sufficient to improve abrasion resistance of the substrate. The strengthening layer includes at least one material selected from the group consisting of tantalum, chromium, zirconium, and tungsten. The wear resistant component also includes a layer that includes amorphous diamond provided above the strengthening layer, the amorphous diamond having sp3 bonding of at least about 40%, a hardness of at least about 45 GPa, and an elastic modulus of at least about 400 GPa.

Abstract: A faucet includes a first valve plate comprising a base material and a strengthening layer provided above the base material. An amorphous diamond material is provided above the strengthening layer. The amorphous diamond material has a coefficient of friction that is lower than that of diamond-like carbon and has a hardness that is greater than that of diamond-like carbon.

Abstract: The present invention refers to a procedure for the manufacture of micro-nanofluidic devices for flow control such as microvalves, micropumps and flow regulators, using a photodefinable polymer and an elastomer as structural materials and to the micro-nanofluidic devices for flow control obtained by said procedure.

Abstract: An electromagnetic hydraulic valve (1), in particular proportional valve, for controlling a device for the rotational angle adjustment of a camshaft relative to a crankshaft of an internal combustion engine, composed of an electromagnet (2) with a hollow-cylindrical magnet housing (4), at least one coil winding (5), an axially moveable magnet armature (6), a first and a second pole shoe (7, 8), a valve part (3) with a hollow-cylindrical valve housing (9) having a control piston (12) which can be moved axially by the magnet armature (6) of the electromagnet (2) via a plunger rod (11). The invention consists of a sleeve (17), composed of a base (18) and a hollow-cylindrical side wall (19), which is arranged on that end of the control piston (12) and situated in the direction of the plunger rod (11), where the sleeve (17) has a greater hardness than the control piston (12).

Abstract: An in-line valve is disclosed or for closing or restricting flow through a liquid conduit or an opening in a liquid containment vessel when the valve is closed, the valve having a valve seat associated with the liquid conduit or the opening in the liquid containment vessel, a valve member that can move between an open position in which it does not engage with the seat and a closed position in which it engages with the seat to close the valve, and a hygroscopic material that can move the valve member between the open and closed positions, wherein when the valve member is in the open position liquid is able to pass freely through the valve but as the liquid passes through the valve the hygroscopic material absorbs liquid directly from the flow through the valve causing the hygroscopic material to swell and thereby move the valve member into the closed position restricting flow through the liquid conduit or the opening in the liquid containment vessel.

Abstract: A coupler including a nozzle and a socket. The nozzle includes a nozzle body, a movable pin, and a first supporting member. The movable pin is made retractably movable in the axial direction in a nose portion to open and close the channel inside the nozzle. The socket includes a housing, a collar, a ring-like packing, a valve stem, a valve head, and a second supporting member. The valve stem is made retractably movable in the socket in the axial direction to open and close the channel inside the socket. All portions or components which contact liquid fuel in the coupler are formed solely of rubber and/or plastics.

Abstract: A shear valve for use in a high performance liquid chromatography system, the shear valve comprising a first shear valve member and a second shear valve member, wherein at least one of the first and second shear valve members is adapted to be moved with respect to the other, one of the first and second shear valve members comprises a plurality of ports, and the other comprises at least one fluid path for fluidly coupling respective ones of the ports in dependency on a relative movement position of the first and second shear valve members with respect to each other, wherein the first shear valve member is at least partially coated with an adhesion-promoting layer and a diamond like carbon layer on the adhesion-promoting layer.

Abstract: The present invention relates to a valve device comprising an elastic valve insert and a reception means for the valve insert. It further relates to a valve insert, an external functional means and a treatment apparatus, as well as a manufacturing method and methods in which the valve device of the invention may be employed.

Abstract: A flow through pressure regulator apparatus and method for directing a flow of fuel within a fuel system. Present invention includes a lower housing having a fuel inlet where fuel flows through the fuel inlet and communicates with a valve biasing member through a fuel chamber and lower valve element with fuel passages. The valve biasing member permits or inhibits fuel flow through a fuel chamber by opening and closing a ceramic valve element. The valve biasing member comprises a flat disk having at least two reticulated concentric rings coupled by at least one bridge. The fuel flows past an open valve element through the lower valve element fuel passages to the valve biasing member. The valve biasing member then diffuses the flow of fuel. A fuel cover directs the flow of fuel from the valve biasing member to the fuel outlet.

Abstract: A valve component for a faucet includes a substrate comprising a base material and a strengthening layer provided above the substrate in an amount sufficient to improve abrasion resistance of the substrate, the strengthening layer comprising tantalum. A layer including amorphous diamond is provided above the strengthening layer. The amorphous diamond has sp3 bonding of at least about 40%, a hardness of at least about 45 GPa, and an elastic modulus of at least about 400 GPa.

Abstract: The invention relates to a one-piece plastic element having an inlet valve cover and an inlet valve seat element for an inlet valve of a piston pump of a hydraulic brake system of a motor vehicle. The inlet valve is designed as a check valve, and the inlet valve cover and the inlet valve seat element are connected to each other by a designed fracture point. The invention further relates to a piston pump having an inlet valve cover and inlet valve seat element made of a one-piece plastic element. The invention further relates to a method for assembling the inlet valve designed as a check valve.

Abstract: A plug for closing off a bore of a hydraulic spool type valve is provided. The plug includes a polymeric body having a plurality of integral projecting studs which have a snap fit engagement with an inward radial protrusion of the bore within the hydraulic valve.

Abstract: A valve for controlling volume flows of fuel supply systems of internal combustion engines has a conduit having an inlet and an outlet defining a flow direction. A bypass opening is provided in the conduit. A sleeve is slidably arranged in the conduit and covers in one position the bypass opening completely. The sleeve has an axial through bore that connects the inlet and the outlet. An elastic element that is arranged in the conduit and exerts onto the sleeve a force that is directed toward the inlet. A counterforce is generated by the flow resistance of the sleeve that counteracts the force of the elastic element.

Abstract: The present invention relates to a non-return valve (100) intended to be joined to a container (11) for air or liquids. The non-return valve is formed of non-rigid plastic or rubber material (1, 15), which forms reliable, tight non-return valve function in an opening channel (2) of the non-return valve. The invention is primarily characterized in that a resilient device (5) is arranged in a channel (50) arranged on the side of the opening channel (2) of the non-return valve and that said resilient device (5) extends from one side (52) of the channel (50) to the opposite side (52) of said channel (50). The invention also relates to a method for producing in a common stage the non-return valve together with a container (11) or for joining said non-return valve to a container (11) after the production of the non-return valve.

Abstract: A component for a faucet includes a substrate including alumina and a first material provided over at least a portion of the substrate. The first material includes titanium and carbon. The component also includes a second material provided over the first material, the second material including carbon and having carbon sp3 bonding of at least 40 percent.

Abstract: A drain valve used on an at least partially dielectric container has a valve housing made of electrically nonconductive plastic, fixed to the container, and forming a passage opening into the container so that fluent contents of the container can flow out of the container through the passage. A valve body formed at least partially of an electrically conductive material is movable in the passage between a closed position blocking flow through the passage and an open position permitting flow through the passage. An actuating element outside the housing is connected to the body for shifting same between its positions.

Abstract: There are disclosed a laser clad valve seat raw-material powder superior in productivity, cladding property, wear resistance and finishing property, and a laser clad valve seat using the same superior in wear resistance. The row-material powder comprises a powder mixture comprising: 80 to 99% by weight of a Cu-based alloy powder comprising 0.5 to 5% by weight of B, 0 to 20% by weight of Ni, 0 to 10% by weight of Fe plus Co, 0 to 5% by weight of Si, 0 to 3% by weight of Al, and the balance Cu and unavoidable impurities; and 1-20% by weight of an Fe or Co based alloy powder having a Vickers hardness of 500 HV or higher and an average particle diameter of 50 to 200 ?m of and comprising 5 to 40% by weight of Mo, 0 to 25% by weight of Cr, 0 to 5% by weight of Si, and the balance Fe or Co and unavoidable impurities.

Abstract: A valve, in certain embodiments, includes a drive shaft configured to couple to a fluid control component and having an interlace material at the joint between the drive shaft and the fluid control component. A valve, in other embodiments, includes a fluid control component configured to receive a drive shaft and having an interlace material at the joint between the fluid control component and the drive shaft. A valve, in further embodiments, includes a drive shaft having a mechanical locking system and a fluid control component coupled to the drive shaft at a joint, wherein the spline aids in coupling the fluid control component to the drive shaft.