Abstract: Fluid supply assemblies for fluid systems are provided, including faucet assemblies (e.g., electrically or mechanically actuated faucet assemblies) having an integrated anti-scald device and having an integrated temperature mixing valve. An exemplary faucet assembly includes an integrated temperature mixing valve, and/or an integrated anti-scald device configured to stop the inlet flow of hot water in the event the mixed outlet water temperature exceeds a user-selected set point. The faucet assemblies can prevent scalding as defined by ASSE 1070.

Abstract: Methods, devices and systems are described for treating venous insufficiency in which the vein is compressed at least partially along a treatment zone. A system can be provided including an injection device, such as a glue gun, that is operably connected to a delivery catheter that can be advanced across a treatment zone in the vein. The delivery catheter can be used to deliver one, two, or more boluses of media (e.g., cyanoacrylate) to occlude the vein along different spaced-apart sections of the treatment zone. External compression can also be applied to the vein by a compression element, such as a hand or multifunctional ultrasound transducer, to occlude portions of the vein along the treatment zone prior to or during the introduction of the boluses of media.

Abstract: Disclosed is a variable damping force shock absorber including a tube cylinder having an inner tube filled with a fluid and an outer tube, a valve housing coupled to a piston rod in the inner tube and having a connection flow path formed therein, a first piston valve coupled to the outside of the valve housing to partition the inner tube into a compression chamber and a rebound chamber, and a second piston valve provided inside the valve housing, wherein the valve housing includes a magnet provided at an upper portion thereof and connected to the piston rod, and a plunger disposed between the magnet and the second piston valve at a lower portion thereof to selectively open and close the connection flow path by a magnetic field of the magnet, and wherein the fluid passes only through the first piston valve when the plunger closes the connection flow path, and the fluid passes through the first piston valve and the second piston valve when the plunger opens the connection flow path.

Abstract: Provided is a shock absorber that is so designed that fail-down is prevented, which is caused when solenoid thrust is relatively small. The shock absorber comprises a chamber disposed on one side of a valve element and communicating with a cylinder's one side chamber and a cylinder's other side chamber, a first communication passage allowing the chamber and the cylinder's one side chamber to communicate with each other, and a second communication passage allowing the chamber and the cylinder's other side chamber to communicate with each other. The first communication passage includes a first orifice, and the second communication passage includes a second orifice.

Abstract: A piston assembly for a damper includes a main piston disposed on a center axis. A piston rod is attached to the main piston. A regulator extends between the piston rod and the main piston defining a compartment. The regulator has at least one first aperture and at least one second aperture. A restrictor divides the compartment into a first and second portion. An actuator having a core is disposed in the first portion movable between an opened and a closed position. The restrictor includes a sleeve disposed in the compartment and attached to the regulator. The sleeve defines a hole in fluid communication with the first and second portions and flares outwardly in the first portion toward the regulator to define a slanted edge extending at an oblique angle relative to the center axis to allow the working fluid to flow smoothly thereby limiting noises generated.

Abstract: A fluid recirculation and dispenser valve unit of a fluid comprises a fluid recirculation and dispenser valve and a cartridge in which an axial valve seat is made which at least partially houses said valve. Said valve comprises a valve body and a valve rod which extends partially in said valve body and which is axially movable between a closed rearward position of the valve and an open forward position of the valve. The axial valve seat comprises a proximal recirculation portion, which communicates fluidically with a recirculation duct, and a distal dispenser portion in fluidic communication with a dispenser duct.

Abstract: A bleeding device (1, 100) for bleeding air from a hydraulic system, which includes a bleed screw (2, 102) and a bleeding needle (3, 103) for unseating the bleed screw (2, 102) to enable any air trapped within the system to be bled. The bleed screw (2, 102) is receivable within a threaded bleed port (41) in a component of the system, such as a brake caliper (4). The bleed screw (2, 102) includes a socket (28, 128), a conical sealing face (27) and a radial fluid passage (24) between the sealing face (27) and the socket (28, 128). The bleed needle (3, 103) includes a plug (34, 134) for releasable engaging receipt within the socket (28, 128) of the valve member and a fluid passageway (31) which is in fluid communication with the radial fluid passage (24) of the bleed screw (2) when the plug (34, 134) is received within the socket (28, 128).

Abstract: A damper valve includes a controlled flow channel between inlet and outlet sides; a controlled valve in the controlled flow channel; a movable valve body acting on the controlled valve to change a closing force of the controlled valve; and a control chamber. The control chamber includes a control chamber inlet in fluid connection with the valve inlet side upstream of the controlled valve; a configuration providing a variable volume of the control chamber, a change in volume of the control chamber moving the movable valve body; and a first flexible wall allowing movement of the movable valve body. The first flexible wall provides an effective surface area against which the fluid pressure in the control chamber acts, the effective surface area decreasing upon movement of the movable valve body outward of the control chamber, the first flexible wall including a flex plate bearing against a curved surface.

Abstract: An apparatus includes a body, a first tank and a second tank. The body includes a first fluid coupling and a first air passage. The first tank includes a first vessel configured to accommodate a fluid and a second fluid coupling communicatively coupled with the first fluid coupling. The second tank includes a second vessel separated from the first vessel and a second air passage communicatively coupled with the first air passage. The apparatus also includes a tank base over the body. The tank base includes a first tank seat configured to accommodate the first tank and a second tank seat configured to accommodate the second tank. The tank base is configured to be separated from the body with at least one of the first tank in the first tank seat or the second tank in the second tank seat.

Abstract: An apparatus and method is disclosed for an intravascular balloon device having a balloon and a handle where a catheter tube extends between the two. The handle assembly includes an inflation device in fluid communication with the balloon. A medical tool is provided on the outer surface of the balloon for the treatment of intravascular conditions. The medical tool may be configured to score or remove atherosclerotic material.

Abstract: A pressure-limiting valve has a valve housing, a piston, a pressure-limiting adjustment spring, at least one inlet and at least one outlet. The piston can assume an open position in which the inlet and the outlet are connected to each other and a closed position which separates the inlet and outlet. A first piston ring has a sealing surface and has a small pneumatic active surface relative to a second piston ring. Between the first and second piston rings the piston has a substantially truncated cone-like portion which tapers toward the first piston ring. In the closed position, the sealing surface of the first piston ring is sealingly drawn against a housing collar by a pneumatic force acting counter to the force of the pressure-limiting adjustment spring. A pneumatic passage for creating a safety valve function closable by a spring-loaded safety valve body is provided in the piston.

Abstract: An apparatus includes a body, a first tank and a second tank. The body includes a first fluid coupling and a first air passage. The first tank includes a first vessel configured to accommodate a fluid and a second fluid coupling communicatively coupled with the first fluid coupling. The second tank includes a second vessel separated from the first vessel and a second air passage communicatively coupled with the first air passage. The apparatus also includes a tank base over the body. The tank base includes a first tank seat configured to accommodate the first tank and a second tank seat configured to accommodate the second tank. The tank base is configured to be separated from the body with at least one of the first tank in the first tank seat or the second tank in the second tank seat.

Abstract: This invention relates to portable heating systems that utilize a portable fuel source. Portable heating systems of the invention generally include a regulator that is configured to vaporize fuel released from a cartridge and to transfer the vaporized fuel to a burner for ignition.

Abstract: A pressure reducer for a system separator includes a seal element accommodated in a groove, which is subject on a first side to a pressure prevailing at an inlet-side connection stub of the system separator and on a second side to a pressure prevailing in an inlet chamber of the system separator. At least one recess is introduced into a wall delimiting the groove on the first side, into which recess the seal element partially enters, canceling out its sealing effect, when the pressure prevailing at the inlet-side connection stub falls below the pressure prevailing in the inlet chamber.

Abstract: An example valve includes: a sleeve; a first poppet configured to be seated on a first seat defined on an interior surface of the sleeve when the valve is in a closed state, and where the first poppet is configured to move axially within the sleeve; a second poppet disposed, at least partially, in the first poppet, where the second poppet is configured to be seated on a second seat defined on an interior surface of the first poppet, and where the second poppet is configured to move axially within the first poppet; a first spring that interfaces with the second poppet and applies a first force on the second poppet in a distal direction toward the second seat; and a second spring that interfaces with the second poppet and applies a second force on the second poppet in a proximal direction opposite the distal direction.

Abstract: An ignition device for an extraneously igniting combustion piston engine with an ignition chamber located between a cylinder head and a piston, wherein the cylinder head has an end surface which defines the ignition chamber and which is at least partially formed as a cylinder head electrode, and wherein an ignition chamber electrode is disposed within the ignition chamber and forms an ignition gap with the cylinder head electrode.

Abstract: Packoff seals and processes for using same. In some examples, the packoff seal can include a first end cap and a second end cap, a first insert and a second insert, a first deformable element disposed between the first end cap and the first insert, a second deformable element disposed between the second insert and the second end cap, and a third deformable element disposed between the first insert and the second insert. The first end cap, the first deformable element, the first insert, the third deformable element, the second insert, the second deformable element, and the second end cap together can form a body having a bore extending therethrough. The first deformable element, the second deformable element, and the third deformable element can have a compressive strength that is less than a compressive strength of the first and second inserts.

Abstract: A flow path insert for a fluid control assembly includes an upstream portion and a downstream portion integral with the upstream portion. The upstream portion includes an upstream peripheral surface and the downstream portion includes a downstream peripheral surface. The upstream portion and the downstream portion cooperate to define an inlet passage and an outlet passage in fluid communication with the inlet passage. The inlet passage defines a first axis and the outlet passage defines a second axis that is transverse to the first axis. When the flow path insert is positioned within a body of a fluid control assembly, the upstream peripheral surface is in contacting engagement with the body and the downstream peripheral surface is spaced from the body. At least the downstream portion of the flow path insert and the body cooperate to define an annular passage in fluid communication with the outlet passage. Fluid control assemblies are also disclosed.

Abstract: This patent document discloses assemblies and methods for removing obstructive material from a body vessel or other cavity. An assembly can include an elongate inner member, an elongate outer member, an aspirator, one or more valves, or a waste collection reservoir. Each of the elongate members can extend from a proximal end portion to a distal end portion and can include a lumen therethrough. The elongate inner member can be partially disposed in the lumen of the elongate outer member and can be moveable along its longitudinal axis relative to the elongate outer member. The aspirator can be in flow communication with the proximal end portion of the elongate inner member for drawing the obstructive material into or through its lumen. The one or more valves can be configured and positioned to allow obstructive material removed from the body vessel or cavity to be urged toward the waste collection reservoir.

Abstract: A hydraulic damper includes a piston rod attached to a slidable piston assembly having a hollow housing with first and second valve assemblies disposed therein and each including a valve body and rebound and compression discs for regulating flow of a working fluid through the piston assembly. The first valve assembly is disposed about a sleeve with a valve nut securing them within the housing. The second valve assembly is threadedly secured in the housing, with a pin holding it together. The housing including a coil and an armature, axially slidable through a plunger guide with a spring biasing the armature to a first position with fluid allowed to flow through the sleeve to bypass the first valve. The armature slides to a second position with fluid not bypassing the first valve in response to the coil being energized by an electrical cable which extends through the piston rod.

Abstract: An adaptor including a lower fitting including a central axial opening including a pin valve, a lower travel stop, a lower crimp ring seating surface, an upper fitting including a male thread, a seating radius configured to conform with a curled lip of the aerosol can, an upper travel stop, configured to contact the lower travel stop during assembly, an upper crimp ring seating surface, a crimp ring configured to rest between the lower crimp ring seating surface and the upper crimp ring seating surface and configured to compressed in the axial direction while simultaneously expanding in the radial direction during installation.

Abstract: A rotationally adjustable valve is disclosed whereby the user is able to control the flow of fluids from complete shutoff to maximum flow by rotating the adjustment means of the valve, said rotation being axial to the flow of the fluid. Additionally, the user is able to attach high and low pressure test probes directly to the valve, as it is rotatably adjusted, so that additional equipment is not required next to the valve. An embodiment of this invention includes the use of an adjustable Cv disk to set the maximum flow of the valve, rather than just create a simple 180° on/off, very similar to a current 90° ball valve that this device will replace.

Abstract: A valve, in particular for water discharge of toilets, has a valve body having at least one feed port and a delivery port; a shutter assembly movable with respect to the valve body between an open position and a closed position; an auxiliary channel, which has the function of controlling the shutter assembly, extends from the feed port to the delivery port through the shutter assembly; a first auxiliary shutter controlled electrically for selectively closing the auxiliary channel; and a second auxiliary shutter for selectively closing the auxiliary channel as a function of the pressure generated by the opening of the first auxiliary shutter.

Abstract: A dripper (120) comprises a dripper main body (121) and a movable unit (122). The moveable unit (122) forms the ceiling of a pressure reducing flow path (125) that reduces the pressure of a liquid flowing in the dripper (120), and the moveable unit advances and retracts in accordance with the pressure of the fluid in a tube (110). If the pressure is high, the height of the pressure reducing flow path (125) becomes lower and the flow rate of the liquid in the dripper (120) is thereby restricted. As a result, the flow rate of liquid discharged from a through hole (130) in the tube (110) can be maintained at a substantially constant rate regardless of the aforementioned pressure.

Abstract: A fluid dispensing device includes a container coupled between a bottle and a discharge tube for forcing the fluid to flow through the discharge tube without gravity, a base member is disposed in the container, a housing is engaged in the container and movable toward and away from the base member, a spring biased plug controls the fluid to flow out of the housing, a cap and a casing are attached to the container, a spring biased valve piece is engaged in the casing for engaging with the cap and for controlling the fluid to flow through the cap, a magnetic member is attached to the casing, and a coil is attached to the container to act with and to move the magnetic member in the container.

Abstract: A combination flow control and reverse flow check valve controls the flow of fluid in a desired downstream direction and limits undesired backflow of liquid in an upstream direction into a fluid source such as a reservoir. The flow control and reverse flow check valve may include a housing having a fluid conveying channel with an upstream end configured for mounting to the liquid source and a downstream end for discharging fluids, a flow control valve positioned between the ends, and a check element positioned in the channel between the flow control valve and the downstream end. The check element is advantageously positioned between the flow control valve and the downstream end of the housing to prevent possible contaminants in a backflow liquid from reaching the flow control valve.

Abstract: A pressurized medical instrument may include a piston handle system, a locking release system and a pressure display system. The piston handle system may include a piston, a piston seal, a handle and a rear cover. The locking release system may include a push button, a fixed support, a locking block, one or more springs and a slide block. The pressure display system may include a coating, a gauge stand, a lateral board, a gauge stand seal ring, a pressure gauge seal ring, a snapper, a pressure gauge and a rotary Luer conical tapered fitting. The pressurized medical instrument may facilitate rapid boosting operation by two hands, vacuum pumping by two hands and rapid pressure relief by a single hand. The instrument is characterized by ease-of-operation, quick boosting and pressure relief for observing easily the pressure value at different operating angles.

Abstract: A disposable winemaking apparatus for fermenting wine containing skins, seeds, and stems that form a cap includes a single-use, dual chamber plastic bag that incorporates a mechanism to agitate and disperse the cap in order to maximize extraction of color and flavor. It also includes an integral press mechanism to squeeze out the fermented juice through a strainer, retaining the pomace in the disposable bag. The device may also be used for racking and transfer of wine during aging.

Abstract: A freeze resistant sanitary hydrant is provided that employs a reservoir for storage of fluid under the frost line or in an area not prone to freezing. To evacuate this reservoir, a means for altering pressure is provided that is able to function in hydrant systems that employ a vacuum breaker.

Abstract: A shock absorber has a pressure tube with a piston assembly slidably disposed within the pressure tube and attached to a piston rod. The piston assembly divides the pressure tube into an upper working chamber and a lower working chamber. The piston assembly includes a frequency dependent valve assembly attached to the piston rod which defines a housing attached to the piston rod and a spool valve assembly. The spool valve assembly includes a spool valve and a bypass valve assembly that controls fluid flow through bypass passage that bypasses the piston assembly.

Abstract: A tap for a pressurized gas cylinder that includes a body with a gas inlet, a gas outlet, a gas passage connecting the inlet to the outlet, a device for maintaining residual pressure arranged on the gas passage, and a shut-off valve for closing the gas passage, downstream from the device for maintaining residual pressure. A wheel for controlling the tap acts on the shut-off valve and on the device for maintaining residual pressure via control rods. The wheel comprises sliding tracks for the control rods and a first position for filling the cylinder wherein the device for maintaining residual pressure is deactivated and the shut-off valve is open, a second position for closing the cylinder wherein the device for maintaining residual pressure is activated and the shut-off valve is closed, and a third position wherein the device for maintaining residual pressure is activated and the shut-off valve is open.

Abstract: A valve apparatus including a check valve and a ball segment valve is provided within a fluid system for handling a flammable working fluid. The valve apparatus is arranged such that flapper doors of the cheek valve longitudinally overlaps a ball segment of the ball segment valve when each are in respective open positions such that the valve apparatus maintains a face-to-face dimension of a standard ball valve. The valve apparatus can thus provide positive isolation and directional fluid control in a congested fluid system with space savings over single valves. An isolated chamber is defined between the flapper doors and the ball segment when each is in a respective closed position. A non-flammable fluid is injected into the isolated chamber to urge the flapper doors and ball segment toward the closed positions to thereby provide a safe environment for performing maintenance operations on downstream fluid components.

Abstract: A flow control device is provided with a first body having a first port through which pressure fluid is supplied, and a second body which is installed on the first body. A valve mechanism which controls the circulation state of the pressure fluid that circulates from the first port to a second port is provided inside this first body. Furthermore, a first connecting section of the first body is inserted into and engaged with the inside of a second connecting section formed at the upper end of the second body, resulting in the first body and the second body being integrally connected together.

Abstract: A valve device for a hydraulic circuit includes an actuator unit and a valve unit. The actuator unit comprises a spring element and an electromagnetic circuit. The electromagnetic circuit comprises an armature, a core comprising a passage hole, a coil, and a flux-guiding device. A stop element comprising a passage opening is arranged in the passage hole so that a gap exists between the core and the armature when actuating the actuator unit. The valve unit comprises a first opening, a second opening, a third opening formed opposite the actuator unit, a first valve seat between the first and second opening, a second valve seat formed between the first and third opening, a first valve closure body connected to the armature and loaded by the spring element, and a second valve closing body loaded by hydraulic pressure and lifted from the second valve seat by the first valve closure body.

Abstract: A control valve (4) for controlling pressure medium flows of a camshaft adjuster which includes a substantially hollow cylindrical valve housing (6), a control piston (12), which is guided axially displaceably inside the valve housing (6), and a non-return valve (22) which can be hydraulically released. In a region of a pressure medium inlet, the valve housing (6) includes a housing shaft (28) with an axial inflow bore (30) which widens in funnel-like manner towards the inlet side.

Abstract: A reusable aseptic connector is provided. The connector may be used to provide fluid communication between a bag-in-box (BIB) container and a beverage dispenser. The connector may provide aseptic properties of the connection by insulation of an inner volume of a first part and an inner volume of a second part, with the beverage component kept from contacting any of the part of the connector structure that are exposed to the environment and have a risk of induced contamination. The connector may comprise a resilient membrane and a sliding tube wherein the sliding tube is configured to have a portion move toward and through the resilient membrane to establish fluid communication between the first part and the second part, and for the portion to move away from the resilient membrane to destablish fluid communication between the first part and the second part when desired.

Abstract: A method and apparatus for compressing gases and supplying compressed gaseous fuel to a consuming device, such as a gaseous fueled vehicle or the like. One embodiment includes a gas compressor for compressing the gaseous fuel to an array of tanks having predetermined initial set points which are increasing for tanks in the array. One embodiment provides a selecting valve having first and second families of ports wherein the valve can be operated to select a plurality of ports from the first family to be fluidly connected with a plurality of ports with the second family, and such fluid connections can be changed by operation of the valve.

Abstract: A combination flow control and reverse flow check valve controls the flow of fluid in a desired downstream direction and limits undesired backflow of liquid in an upstream direction into a fluid source such as a reservoir. The flow control and reverse flow check valve may include a housing having a fluid conveying channel with an upstream end configured for mounting to the liquid source and a downstream end for discharging fluids, a flow control valve positioned between the ends, and a check element positioned in the channel between the flow control valve and the downstream end. The check element is advantageously positioned between the flow control valve and the downstream end of the housing to prevent possible contaminants in a backflow liquid from reaching the flow control valve.

Abstract: A combination flow control and reverse flow check valve controls the flow of fluid in a desired downstream direction and limits undesired backflow of liquid in an upstream direction into a fluid source such as a reservoir. The flow control and reverse flow check valve may include a housing having a fluid conveying channel with an upstream end configured for mounting to the liquid source and a downstream end for discharging fluids, a flow control valve positioned between the ends, and a check element positioned in the channel between the flow control valve and the downstream end. The check element is advantageously positioned between the flow control valve and the downstream end of the housing to prevent possible contaminants in a backflow liquid from reaching the flow control valve.

Abstract: An example method of accessing a valve assembly of a turbomachine includes accessing a check valve of the valve assembly from a first position that is radially outside a flow path through the turbomachine. The method accessing a shut off valve of the valve assembly from a second position that is radially outside the flow path. The check valve and the shut off valve are configured to influence communication of lubricant along a lubricant communication path that extends between a location radially outboard the flow path and a location radially inboard the flow path. The first position is the same as the second position in some examples.

Abstract: Disclosed is an inflation valve enabling a user to quickly inflate and deflate an inflatable object. The inflation valve can include an inflation chamber that is an adequate size to capture a breath of air blown by a user from a distance away from an outside opening of the inflation chamber. This allows surrounding air into the area of low pressure created by the moving air, thereby greatly increasing the amount of air entering the inflatable object. To prevent air from escaping the inflatable object, the inflation valve can include a non-invertible one-way valve and/or an invertible one-way valve. Each valve can prevent air from escaping the inflation chamber until adequate pressure is applied from the outside opening of the inflation chamber, for example, as a result of a user blowing air into the inflation chamber. The invertible one-way valve can be inverted to reverse the properties of the valve.

Abstract: Disclosed is a bypass valve comprising a valve body. The valve body has a gas inlet and a gas outlet, wherein a check valve is provided at the air outlet. The check valve comprises a check valve body, a ventilation plate and a first sealing gasket. A first gas passage for gas delivering is provided within the check valve body; ventilation holes are provided on the ventilation plate; the ventilation holes are in communication with the gas outlet; the first sealing gasket is provided between the ventilation plate and the check valve body; and the first gas passage and the ventilation holes are in selective communication with each other via the first sealing gasket. The uni-directional check valve is provided in the gas air outlet in the bypass valve, causing the direction of the gas flow to be unique, overcoming the problem of imprecise concentration of the anaesthetic gas caused by the a gas backflow, and having the advantage of structural technology and better gas tightness.

Abstract: A first hole is connected through a first fluid chamber to an inflow hole. A first valve seat is formed around the first hole. A second fluid chamber is connected through a second hole to the first hole. An outflow hole is connected to the second fluid chamber. A second valve seat is formed around the second hole. A third valve seat is formed around the outflow hole. A first valve element is movable in the first fluid chamber to make contact with the first valve seat. A second valve element is movable in the second fluid chamber to make contact with the second valve seat or the third valve seat. A biasing member biases the second valve element toward the second valve seat. An outer peripheral passage is formed between an outer periphery of the second valve element and the second housing to enable flow therethrough.

Abstract: A ball valve is provided for threaded connection to a separable component 72 having male threads 74. A housing 10 contains a ball 12 selectively rotatable for passing fluid through the housing, and a flange member 20 threadably secured to the valve housing. A stop ring 16 is positioned outward of the valve housing and engages the flange member. A coupling 20 is threadably secured to the stop ring and includes female threads for engagement with male threads on the separable component.

Abstract: A component attaching structure for attaching a first component and a second component to each other. The first component has an attachment hole and an internal thread formed therein. The second component has an external thread formed thereon. The second component supports a sealing member, which seals an interface between an outer circumferential surface of the second component and an inner circumferential surface of the attaching hole at a position closer to a tip end of the second component than the external thread. If the direction in which the second component moves relative to the first component when the second component is attached to the first component is defined as an attaching direction, a distance between the external thread and the sealing member in the attaching direction is greater than the length of the internal thread in the attaching direction.

Abstract: The invention relates to a pressure control valve, composed of at least a valve component; situated between a control chamber and a return chamber, the valve component has an orifice, which a control element can close, partially close, or open, and the control element has at least one, at least truncated cone-like first control element region with a truncated cone angle and the orifice is formed by a through opening, which extends through the orifice element and at its end oriented toward the control element, has at least one cone-like, in particular first, orifice region with a cone angle; and the cone angle is greater than the truncated cone angle.

Abstract: A fluid valve, in particular a pressure control valve in a vehicle transmission, has at least one inlet opening and a first and a second outlet opening, which are connected to each other through two part valves that are mechanically coupled to each other. Whereas, by means of the first part valve, a fluid intake is adjustable from the inlet opening to the first and second outlet opening, and, by means of the second part valve, a fluid discharge is adjustable between the first and second outlet opening. At least the second part valve is designed as a poppet valve, with a cone-shaped closing element that features several taper areas, which have varying taper angles.

Abstract: The invention relates to a pressure control valve, composed of a valve component and a drive component for the control element of the valve component; the valve component has an orifice that is closed by the control element in a first position, thus disconnecting a control chamber from a return chamber and during operation, a control pressure prevails in the control chamber that is greater than or equal to the return pressure in the return chamber, and in the first position, the control pressure acts on a first control surface of the control element and in a second, controlled position, the orifice is partially opened so that the control chamber and the return chamber are fluidically connected to each other and the control pressure prevailing in the control chamber in the second position acts on a second control surface of the control element and the second control surface is larger than the first control surface.

Abstract: A flow control assembly for a fire sprinkler system includes a valve housing having an inlet opening and an outlet opening. The valve housing defines a fluid flow path that extends between the inlet opening and the outlet opening. A flow control valve is disposed within the fluid flow path. A swing check valve is disposed within the fluid flow path of the valve housing downstream from the flow control valve. The swing check valve includes a clapper that is connected to an actuator arm. An electrical switch is disposed outside of the valve housing. A mechanical linkage includes a first end that extends through the valve housing and engages with the actuator arm. The mechanical linkage also includes a second end that is coupled to the electrical switch. The first end translates with said actuator arm.

Abstract: A novel method and system for using aluminum dopant compositions is provided. A composition of the aluminum dopant compositions is selected with sufficient vapor pressure and minimal carbon content, thereby enabling ease of delivery to an ion implant process and substantial reduction of carbon deposition during Al ion implantation. The source material is preferably stored and delivered from a sub-atmospheric storage and delivery device to enhance safety and reliability during the Al ion implantation process.