Abstract: A gas-supply system includes a gas container filled with gas, a gas flow controller coupled to the gas container via a first tube, and an operation device electrically connected to the gas flow controller. The gas-supply system further includes a pressure transducer installed on a second tube connected to the gas flow controller and configured to generate a pressure signal to the operation device according to the pressure of the gas in the second tube. The operation device is configured to generate a control signal to the gas flow controller according the pressure signal, and the gas flow controller is configured to adjust the flow rate of the gas in the second tube according to the control signal.

Abstract: A connector system for medical fluid includes a male connector and a female connector that have a closed configuration when detached from one another. The first end of the male connector is configured to mate with a first end of the female connector. When the male connector is coupled with the female connector, complementary structures engage to move seals away from ports in the male connector and the female connector, opening a fluid pathway through the connectors. The mating ends of the connectors are not exposed to the medical fluid when the connectors are coupled so that when the connectors are disconnected, the mating ends are substantially free of residual medical fluid.

Abstract: Servovalve with jet-type pilot stage including an ejector for ejecting a jet of fluid that is movable relative to a deflector adapted to generate a pressure differential that can be used to move a power distribution member of the servovalve, the ejector projecting radially from a column extending along a longitudinal axis and to which the ejector is fastened, being in fluid communication with a central passage of the column via which the ejector is fed with fluid, the column having a first end pivotably engaged in a part of the servovalve in the vicinity of a pressure feed thereof and via which the fluid is introduced into the central passage of the column, the column having a second end loaded by a torque motor to apply selectively to the column a rotation torque about the longitudinal axis in either direction relative to a rest position.

Abstract: An electromagnetic valve includes: a housing, a ball valve, a ball guide to hold the ball valve, a shaft that displaces the ball valve; an electromagnetic solenoid part that drives the shaft; a seat component; and a seal member. The seat component has a cylindrical portion disposed inside of the housing, and has a predetermined depth in an axial direction. An inflow valve port passes through a first end of the cylindrical portion in the axial direction. The seal member is coupled with an outer circumference part of the housing at a position corresponding to the cylindrical portion.

Abstract: A self-heat-dissipation pressure-reducing valve includes: a heat-dissipation valve core, an upper valve deck, a guiding valve deck, a valve body, a heat-dissipation valve seat, an air guide hood, and a turbine-type heat dissipation device. The heat-dissipation valve core is formed by a valve core composed of a heat pipe, and valve core heat-dissipation fins. The heat-dissipation valve seat includes a valve seat pocket, a valve seat shell, heat pipes, and valve seat heat-dissipation fins. An outer circumferential surface of the valve seat pocket is wound with multiple heat pipes fixed to the valve seat heat-dissipation fins. The turbine-type heat dissipation device includes a fan shell provided at a medium inlet, and a turbine. The turbine is lashed by a medium to turn the fan shell, and wind is guided in one direction through the external air guide hood to implement heat dissipation.

Abstract: An universal embedding system (1) for sanitary faucets and fittings comprising three macro groups, a first universal embedding macro group, a second macro group of functional components (1B) such as mixers and switch valves and a third macro group of aesthetic parts (1C), wherein the first macro group comprises six connecting plugs for inlets (3?) and outlets, which can freely be chosen.

Abstract: A gas valve that can be opened using a trigger mechanism. When triggered, the valve is preferably configured to deliver a rapid release of air and then reset itself in the closed state. Once in the closed state, pressure may again be built on the upstream side of the valve until another release is desired.

Abstract: An adjustable flow-control valve is for controlling the flow from a fluid-supply unit. The control valve includes a pressure-control unit and a flow-control unit, a first inlet for connection to the fluid-supply unit, and an outlet. The pressure-control unit includes a first chamber (I) and a second chamber (II) separated by a first movable element which is cooperatively connected to a first preloading device, the first chamber being in fluid communication with the first inlet and with the flow-control unit, and the second chamber being in fluid communication with the outlet of the flow-control valve and including a second inlet in fluid communication with the flow-control unit. The flow-control unit includes a third chamber (III) and a fourth chamber (IV) separated by a second movable element which is cooperatively connected to a second preloading device.

Abstract: A supporting member supporting a valve body includes a supporting member body having a semispherical bottom portion that makes contact with the top face of the valve body and a securing recess that is provided in the center and at a predetermined axial location to adjoin a through hole provided in the valve body, and a securing member including an engaging portion that has a form of a shaft having a predetermined diameter made of an elastic material and protrudes from a proximal end and a securing projection that swells out from a predetermined axial location of the shaft portion to fit into a securing recess provided in a through hole in the supporting member body.

Abstract: An actuation system for a valve is disclosed. The actuation system comprises a housing having an end wall. A first piston and a second piston is slidably positioned within the housing. The second piston is positioned between the first piston and the end wall. A piston rod is coupled to the first piston and slidably extends through the second piston and the end wall. The piston rod is configured to be coupled with the valve. A first spring is arranged between the first piston and the second piston. Further, a second spring is arranged between the second piston and the end wall. The first spring and the second spring are configured to bias the valve to a closed position.

Abstract: A method for delivering water through a fire hydrant is disclosed and includes unlocking a sprinkler cap control lock on the fire hydrant, removing the sprinkler cap control lock to access an operating nut of the fire hydrant and activating the operating nut to deliver water through a plurality of sprinkler ports in at least one of a plurality of caps on the fire hydrant. Also disclosed are fire hydrant with a lubricant channel and a method of lubricating a fire hydrant operation nut. Also disclosed is a fire hydrant that does not need a lubricant disposed between the operation nut and the fire hydrant body due to an operating nut sleeve being disposed between the operation nut and the fire hydrant body.

Abstract: A valve for air chambers includes a fixed body and a mobile selector body, wherein the mobile selector body is disposed coaxially in the fixed body. The mobile selector body is configured to slide with respect to the fixed body. The mobile selector body has a first position of use, associated during use to at least a first outlet, and a second position of use, associated during use to at least a second outlet.

Abstract: The invention relates to a device for metering fluid, particularly for the metered injecting of a reduction agent into the exhaust tract of an internal combustion engine, which has an electrically controllable metering valve (11) having a valve housing (16), having an inlet opening and a metering opening (14, 15) for the fluid, and a cooling module (12) to which a coolant is applied for cooling the metering valve. In order to achieve a permanent fording ability of the device, the metering valve (11) is hermetically sealed in the cooling module (12) and only the inlet opening and the metering opening (14, 15) of the valve housing (13) are exposed.

Abstract: An automatic aeration device includes a first floating roof, a second floating roof and a movable valve. The first floating roof has a through hole and a first enclosure. The second floating roof is disposed in the through hole and has a second enclosure. The movable valve is disposed above the first floating roof and the second floating roof and has a plate which has an outer wall and an inner wall. The outer wall is mounted in the first enclosure and has a plurality of first vent holes. The inner wall is mounted in the second enclosure and has a plurality of second vent holes. The automatic aeration device further includes a plurality of balls mounted between the first enclosure and the outer wall, and mounted between the second enclosure and the inner wall.

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 multi-chamber blowoff valve is provided for releasing excess air pressure from a duct system associated with a vehicle. The blowoff valve has a valve housing, an engine-air interface, and a multiple piston assembly. The valve housing is configured to secure to the duct system at a duct-air interface. The engine-air interface is configured to allow air in and out of the valve housing. The multiple piston assembly is disposed within the valve housing and includes an upper piston and a lower piston that move in unison. The multiple piston assembly is configured to be in a closed position while a pressure differential is above a certain threshold and to be in an open position while the pressure differential is below said certain threshold. While in the open position, a portion of the air in the duct system is released.

Abstract: A one way valve assembly including a base, a cover, and a valve member is provided. The base includes a first and a second lower hollows and an inlet communicated with the first lower hollow. The cover includes a first and a second upper hollows, a connecting path, an outlet, and an exhaust nozzle. Positions of the first and the second upper hollows correspond to positions of the first and the second lower hollows. The first upper hollow is communicated with the second upper hollow via the connecting path. The outlet is communicated with the second upper hollow. The valve member is disposed between the base and the cover. The valve member has a first zone, a second zone, and a third zone corresponding to the first and the second upper hollows and the connecting path, and includes a valve nozzle between the second lower hollow and the second upper hollow. The first zone can deform towards the first lower hollow or the first upper hollow.

Abstract: A guided keeper assembly and related method includes a cylindrical base that mounts to a die member using a multi-piece, interlocking flange. The flanges have outer fastener holes and inner arcuate walls that matingly engage a complimentary profile on the outer surface of the base to axially interconnect the same. The flanges also have male and female end connectors which snap lock together around the base in an assembled condition. Mounting screws pass through the fastener holes in the flanges and are anchored in the die member to securely retain the guided keeper assembly in place. A retainer ring is mounted in an associated groove in the base over the heads of the screws to prevent unintentional unfastening of the screws from the die member.

Abstract: A wire reel is detachably provided in a housing chamber of a binding machine body which binds a reinforcing bar. The wire reel includes a cylindrical hub portion which winds a wire, and a pair of parallel flanges overhanging outward from both external peripheral ends of the hub portions. A side wall inside the hub portion is formed of light-transmitting portions which allow the light from a transmissive photosensor provided in the binding machine body to be transmitted therethrough.

Abstract: An exhaust stem for use with a valve assembly is provided. The exhaust stem is a hollow body which comprises an inner surface, a distal end, and an outer surface. The inner surface forms a portion of a fluid conduit through the exhaust stem. The distal end is shaped to sealingly engage a valve of the valve assembly. The outer surface defines a plurality of turbulence reducing protuberances. The plurality of turbulence reducing protuberances distributes a fluid within a valve housing of the valve assembly to facilitate operation of the valve assembly. The valve assembly decreases an amount of fluid turbulence in a tire inflation system, provides greater flexibility in configuring the tire inflation system, and facilitates accurate control of a pressure within individual tires of a vehicle.