Abstract: A split body, rotary C gate, removeable stem vacuum valve using an input assembly with handle extensions that allow for hand movement of the incoming pipe to access an inner aperture body with a curved sealing face that directly seals to a C shaped gasketless gate that can be rotated into and out of the inner body aperture for easy cleaning. The gasketless gate is held in position using gate axles with an outer axle stem connected to a polygon lower body that mates into a matching polygon aperture on the gasketless gate. The middle valve assembly's gasketless housing body defines upper and lower axle washer pockets for locating the axles for proper operation and simple axle pins for securing the axles in position.

Abstract: A choke valve includes a choke body and a choke trim disposed within the choke body. The choke trim also includes an insert defining a plurality of positive beans and a plate defining an aperture. The plate is configured to contact and to rotate relative to the insert to cover and uncover the plurality of positive beans to adjust a fluid flow through the choke valve.

Abstract: An emitter provided with: a water intake part that communicates with the interior of a tube when the emitter is joined to the tube; a pressure-reducing flow channel part for forming a pressure-reducing flow channel; a flow rate adjustment part for adjusting the flow rate of the irrigation liquid in accordance with the pressure of the irrigation liquid inside the tube; and a discharge part that faces a discharge opening. The flow rate adjustment part has: a base; an accommodation part that accommodates the base; a communication hole that opens to the base and communicates with the discharge part; and a diaphragm part that is flexible and is disposed so as to be separated from the base, the diaphragm part approaching the base when the pressure of the irrigation liquid inside the tube is received.

Abstract: A split body, rotary C gate, removeable stem vacuum valve using an input assembly with handle extensions that allow for hand movement of the incoming pipe to access an inner aperture body with a curved sealing face that directly seals to a C shaped gasketless gate that can be rotated into and out of the inner body aperture for easy cleaning. The gasketless gate is held in position using gate axles with an outer axle stem connected to a polygon lower body that mates into a matching polygon aperture on the gasketless gate. The middle valve assembly's gasketless housing body defines upper and lower axle washer pockets for locating the axles for proper operation and simple axle pins for securing the axles in position.

Abstract: An air intake apparatus of an internal-combustion engine includes: an air intake passage communicating with a combustion chamber; an air intake flow control valve including a rotation shaft provided in the air intake passage and a valve body having a convex arc-shaped outer peripheral surface and opening and closing a main opening portion of the air intake passage, and controlling the intake air when the main opening portion is closed; a valve body storage portion provided in the air intake passage to have a concave arc shape corresponding to the valve body and storing the valve body when the main opening portion is opened; and a sub-opening portion provided between the outer peripheral surface and an inner surface of the valve body storage portion, allowing a portion of the intake air to pass therethrough and discharging the portion toward the intake air when the main opening portion is closed.

Abstract: According to an aspect, a gas supply mechanism for supplying a gas to a semiconductor manufacturing apparatus is provided. The gas supply mechanism includes a pipe connecting a gas source and the semiconductor manufacturing apparatus to each other, and a valve which is provided on the pipe. The valve includes a plate rotatable about an axis, the axis extending in a plate thickness direction, and a housing provided along the plate without contacting the plate to accommodate the plate, the housing providing a gas supply path along with the pipe. A through hole is formed in the plate, the through hole penetrating the plate at a position on a circle which extends around the axis and intersects the gas supply path.

Abstract: A particle detecting device includes: a chamber; an injection nozzle provided within the chamber; a discharge nozzle that is disposed within the chamber, opposing the injection nozzle; a detecting mechanism that illuminates a sample fluid that is sprayed from the injection nozzle and detects a particle included in the sample fluid; a pressurizing fluid pipe, connected to the chamber, for supplying a pressurizing fluid for pressurizing an interior of the chamber; and a rectifying member that rectifies the pressurizing fluid so that a flow speed distribution of a fluid between the injection nozzle and the discharge nozzle, rectified in an axial direction, is symmetrical in respect to the axial direction.

Abstract: A plug valve including a valve body having an inlet port, an outlet port and a central chamber extending between the inlet port and the outlet port. The valve also includes an inlet seal segment within the central chamber and includes a bore extending therethrough and aligned with the inlet port. An outlet seal segment is disposed within the central chamber having a bore extending therethrough and aligned with the outlet port. A plug member is disposed in the central chamber and is moveable between an open position, to facilitate fluid flow through the plug valve, and a closed position, to block fluid flow through the plug valve. First and second side segments are disposed between and interlocked to the inlet and outlet seal segments to encircle the plug member. The side segments are tensioned to preload the seal segments against the plug member to prevent the flow of fluid between the seal segments and the plug member.

Abstract: An adjustable return fitting, includes a return fitting housing having a housing interior; a water jet adjustment dial rotatably carried by the return fitting housing, the water jet adjustment dial having a dial interior accommodating the return fitting housing; and a peg slot in the dial interior of the dial body, the peg slot disposed in angular relationship to a rotational axis of the water adjustment dial; and a baffle including a baffle stem in the housing interior of the return fitting housing, a baffle tab carried by the baffle stem and a baffle tab peg carried by the baffle stem in offset relationship to the baffle stem, the baffle tab peg engaging the peg slot; and a baffle disk carried by the baffle stem in the housing interior of the return fitting housing.

Abstract: A hemi-wedge control valve is disclosed that includes an opening in the hemi-wedge valve member. The opening is provided with a notch in its leading edge to allow for controlled flow as the valve is initially opened.

Abstract: A shut-off valve for the plumbing sector for shutting off a line through which a fluid can flow that preferably includes a housing having at least two connecting pieces. A flow path is defined from one of the connecting pieces through the housing to another of the connecting pieces, and a shut-off body is disposed rotatably in the housing with a single shut-off section running crosswise to the flow path. Preferably, the shut-off segment is constituted as a spherical segment, and the shut-off body can be moved between a closed position in which the flow path is completely blocked to only one of the connecting pieces and an open position in which the flow path is completely clear. A switching shaft which is rotatably mounted in the housing and is connected in a rotationally fixed manner at its one end to the shut-off body.

Abstract: A fluid flow resistance assembly includes a fluid pathway. A width of the fluid pathway orthogonal to a flow of fluid through the fluid pathway varies along its length. Positioning of one or more ports at different locations over the fluid pathway at different locations controls a flow rate of fluid.

Abstract: Provided is a device for use in a shower system and a related method. The device may include an appliance for adding a medium to shower water. The appliance may be designed such that it works according to the principle of a water jet pump. Advantageously, the medium added to the shower water may contain one or more fragrance media.

Abstract: A multi-position rotary shear valve assembly having a substantially metallic or ceramic stator device and a substantially metallic or ceramic rotor device. The stator device defines a substantially planar stator face and at least two or more stator channels in fluid communication with the stator face at corresponding stator ports, while the rotor device includes a substantially planar rotor face defining one or more rotor channels. A tribological coating is disposed atop at least one of the rotor face and the stator face, which enables a substantially fluid-tight, selective relative rotation between the rotor face and the stator face, at a rotor-stator interface, between two or more rotor positions.

Abstract: An automatic balancing valve is disclosed which is equipped with choking means that can be operated manually with a ring nut placed below the actuating member of the shutter and aligned axially therewith. Advantageously, the dimensions of the ring nut are larger in plan view compared to the plan view dimensions of the actuating member so as to allow its rotation without removing the actuating member.

Abstract: A collection valve for use in a water reclamation system is provided. The collection valve comprises (i) a drain pipe connectable to a drain line in which gray water flows, the drain pipe comprising an inlet pipe, a medial pipe, and an outlet pipe; the medial pipe having a first opening rotatable from a first position to a second position; (ii) a valve plug pipe, surrounding the medial pipe, having an second opening; and (iii) an actuator assembly for rotating the medial pipe between the first and second positions. Rotating the medial pipe to the first position causes the first opening to be in alignment with the second opening causing gray water to drain into a tank. Rotating the medial pipe to the second position misaligns the first and second opening causing fluid passing through the medial pipe or drain to a sewer or septic tank.

Abstract: The present invention is to provide a gas mist pressure bathing system enabling to cause a gas mist to be absorbed into the skin and the mucous membrane of the living organism under an optimum condition of controlling the amounts of gas and liquid.

Abstract: A valve including a first valve part with at least one opening and a second valve part with at least one opening. The relative position of the openings of the first and second valve parts produces an overlapping area, which defines an opening degree of the valve. The first and second valve parts are adapted to perform relative movements from a position defining a maximum opening degree of the valve towards a position defining a minimum opening degree of the valve in such a manner that the velocity of the relative movement between the first valve part and the second valve part varies as a function of the overlapping area of the openings of the first and second valve parts. For example, the velocity may be decreased as the overlapping area decreases. Operating the valve in this manner reduces water hammering while ensuring appropriate operation and acceptable response times.

Abstract: A hemostatic valve apparatus used in medical procedures that provides rapid activation of a sealing mechanism resulting in lower blood loss during use of the sealing device. The valve apparatus incorporates an actuator and two mechanisms that counter-rotate opposite ends of a sealing tube.

Abstract: The present disclosure relates generally to a faucet valve cartridge 10 configured for use within a dual handle faucet 16, 18. The valve cartridge 10 includes first and second fluid flow control members 94 and 96 received within a valve housing 74 and configured to control fluid flow from an inlet 32, 36 to an outlet 29.

Abstract: A valve includes a rotor and a stator. The rotor and the stator each have seal surfaces for contacting and sliding against one another during operation of the valve. Either or both of the rotor and the stator have a seal-surface coating formed by depositing an at least partially amorphous interlayer on a substrate and depositing a surface layer, including diamond-like carbon, on the interlayer. The surface layer requires no mechanical polishing.

Abstract: A multi-position rotary shear valve assembly having a substantially metallic or ceramic stator device and a substantially metallic or ceramic rotor device. The stator device defines a substantially planar stator face and at least two or more stator channels in fluid communication with the stator face at corresponding stator ports, while the rotor device includes a substantially planar rotor face defining one or more rotor channels. A tribological coating is disposed atop at least one of the rotor face and the stator face, which enables a substantially fluid-tight, selective relative rotation between the rotor face and the stator face, at a rotor-stator interface, between two or more rotor positions.

Abstract: A multi-position rotary shear valve assembly having a metallic or ceramic stator device and a metallic or ceramic rotor device. The stator device defines a planar stator face and two or more stator channels in fluid communication with the stator face at corresponding stator ports, while the rotor device includes a substantially planar rotor face defining one or more rotor channels. A tribological coating is disposed atop at least one of the rotor and stator face. The valve assembly includes a polymer insert device defining an exposed contact face having an inner diameter less than that of the outer circumferential edge and an outer diameter more than the outer circumferential edge. The insert device is formed for press-fit insertion in a groove defined in the rotor face. The outer circumferential edge of the stator face contacts the insert exposed face during rotation between the two or more rotor positions.

Abstract: Various “no filter, no run” fuel filtration designs are described that include a variable restriction orifice (VRO) designed to vary the amount of fluid, for example fuel, that reaches a fluid outlet. The VRO has a fully open position at which a maximum non-zero fluid flow is permitted, and a fully closed position at which a limited amount of fluid can flow to the outlet. In the case of diesel fuel, the amount of fuel flow permitted at the fully closed position provides lubrication of downstream fuel system components, for example the fuel pump, but is insufficient to permit engine operation.

Abstract: A manifold, for a refrigeration system, includes a body comprising a bore hole extending through the body, and a plurality of ports including a first process port for adding and removing refrigerant, and a first side port for mechanical connection thereto. The manifold also includes a first ball valve disposed in the body, between the first process port and the first side port. The first ball valve includes a ball recess aligned with the bore hole through the body, and a ball port extending generally transverse to the ball recess and in fluid connection therewith. The ball port includes a narrow end and wider end. The first ball valve is moveable between an open position in which the ball port is aligned with the first side port and the first side port is in fluid connection with the bore hole through the body, and a closed position in which the ball port is out of alignment with the first side port.

Abstract: A valve with a dual rotational valve member is provided. The valve includes a first valve member and a second valve member. An actuation arrangement is operably positioned between the first valve member and the second valve member to rotate the first valve member in a first direction and the second valve member in a second direction opposite the first direction. This counter-rotation of the first and second valve members selectively aligns or misaligns a pair of flow ports of the first valve member with a pair of flow ports of the second valve member. When the pairs of flow ports are aligned, the flow path of the valve allows for straight through flow of a fluid through the valve thereby decreasing turbulence, back pressure, and noise.

Abstract: A valve assembly includes a valve housing having an upper body portion and a lower body portion that define an internal chamber for accommodating a valve member. The housing has axially aligned inlet and outlet ports. The valve assembly includes a generally spherical valve member seated within the internal chamber that defines first and second bores. The first bore defines a first longitudinal axis and the second bore defines a second longitudinal axis offset relative to the first longitudinal axis. The valve member is mounted for movement between a first position and a second position. The valve assembly includes a camming mechanism for moving the valve member between the first position and the second position, including cam surfaces formed on the exterior surface of the valve member and a cam pin formed on the interior surface of the upper body portion of the housing.

Abstract: In certain embodiments, a valve assembly can comprise a housing, a valve body, a first burner nozzle member and a second burner nozzle member. The housing can define an oxygen depletion sensor (ODS) inlet and a burner inlet. The valve body can be positioned within the housing and configured to rotate between a first position for a first fuel type and a second position for a second fuel type different from the first.

Abstract: A valve comprises a valve body having a cylindrical bore and at least two fluid passages connected to the cylindrical bore. A rotating body has at least one means for allowing fluid flowing through the fluid passages, and at least one means for blocking fluid flowing through the fluid passages. At least one sealing is arranged inside said cylindrical bore, said sealing having an outer surface parallel with the axis of the cylindrical bore, and an inner surface parallel with the lateral surface of the rotating body. The rotating body comprises a frusto-conical shape.

Abstract: One embodiment includes a housing (12) and a valve (10) to be used in an internal combustion engine exhaust breathing system (14). The housing (12) may define one or more inlet passages that receive fluid-flow, and may also define one or more outlet passages that deliver fluid-flow. The valve (10) regulates fluid-flow through the housing (12) and between the passages.

Abstract: A unidirectional ceramic control valve includes a valve shell, a shaft, a ring unit, an upper ceramic piece, a lower ceramic piece, a valve base and at least one anti-leak ring. Lower section of the valve shell has two hook holes, and two notches are formed therebelow. A receiving trough is formed at an inner portion of lower section of the shaft to provide a space for the ring unit and the upper ceramic piece. The ring unit is a ring-shaped body with low friction coefficient, and when the ring unit is disposed between the shaft and upper ceramic piece, it prevents the shaft from directly contacting the upper ceramic piece to generate wear. The upper ceramic piece has two symmetric water holes, while the lower ceramic piece has two symmetric circulating holes. A first protruding unit and a second protruding unit are correspondingly formed at the valve base.

Abstract: This invention provides the design of a spin-controlled faucet outlet structure. It contains a valve seat inside a rotation set. The valve seat houses a turn button, a scaling plate and a discharging plate. These three pieces are locked together and controlled on the valve seat through a bridging seat. The bridging seat is locked to the faucet outlet. The turn button and the sealing plate along with the turn button and the rotation set move in series. The bottom of the rotation set is connected to a bubbler. The turn button of the rotation set spins with the sealing plate together and changes the blockage of the faucet outlet using the sealing plate, making it function as the controller of discharging and stopping water.

Abstract: A distributor assembly (12) includes a distributor housing (102) and a valve selector plate (104). The distributor housing (102) includes an axial bore (106) extending in an axial direction through the distributor housing. The valve selector plate (104) is disposed in the axial bore (106) and is rotatable around a rotational axis (130) parallel to the axial direction between a first orientation and a second orientation. The valve selector plate (104) includes a first substantially planar face (132), a second substantially planar face (134), axial passages (136) radially offset from the rotational axis (130) and extending through the valve selector plate (104) from the first face (132) to the second face (134), and at least one fluid blocking section (138) configured to block axial flow through the distributor assembly. Each fluid blocking section (138) is interposed between and radially aligned with the axial passages (136) with respect to the rotational axis (130).

Abstract: A valve, usable in connection with a tracheostomy tube, permits phonation by selectively blocking passage of air therethrough. The valve includes a main body portion with first and second internal passages. A first aperture extends radially through a peripheral wall, connecting the first internal passage to an environment external to the main body. A second aperture extends radially through the peripheral wall, connecting the second internal passage to the environment. A trach body portion defines a third internal passage and is connected to the main body portion. A flapper valve is sandwiched between the main body portion and the trach body portion. First and second adjustment rings permit adjustment of opening defined by the first and second apertures, thereby permitting control over the air passing through the first and second apertures.

Abstract: Fluid fertilizer is supplied to a metering assembly by fluid vapor pressure. The assembly divides fluid flow into several equal flows that are injected into the ground. The metering assembly includes a body chamber with a bottom, a top and a cylindrical wall. A driven shaft, journaled in the top wall, extends into the chamber. A rotor is fixed to the drive shaft in the chamber. Pluralities of elongated slots pass through the rotor. Discharge bores pass through a body bottom wall. Each discharge bore includes a counter bore that receives a resilient O-ring and a graphite tube. A top end of the tube engages the rotor on both sides of the elongated slot. The compressed O-ring holds the tube top in engagement with the rotor.

Abstract: A simplified variable orifice for a conduit furnishing a stream of particulate coal to a burner for a turbine in an electrical utility plant. Two plates are installed across the conduit, one of them being fixed and the other being variable in angular position relative to the first. A lockable mechanism is provided externally of the conduit to manually adjust the degree of blocking and to indicate the position of the movable plate.

Abstract: A flow controller controls flow through a deformable conduit by compressing the conduit. The conduit may be compressed along a section of its length. The controller may include a cam driven by an actuator, the cam driving a clamp to compress the conduit. The actuator may be a dial. The cam may be shaped such that the flow rate varies linearly with rotation of the dial. The controller may include a clicker to allow the controller to be set in a number of different positions, allowing ease of adjustment and preventing drift or accidental adjustment of the flow rate.

Abstract: A wellbore ball valve includes a ball-type valve closure having an interior, central bore. A lower ball carrying assembly defines a first annular, sealing seat surface in contact with and adapted to seal with the exterior of the valve closure. The first seat surface defines a first through hole. An upper assembly defines a second annular seat surface in contact with the exterior of the valve closure. The second seat surface defines a second through hole. The second through hole is shaped differently from the first through hole in that it at least partially overlaps with the central bore while the first through hole is sealed from the central bore.

Abstract: In a magnetic transmission for coupling a valve element to a valve drive, the valve element and the valve drive are located in the same housing, the valve element includes a ring gear composed of ferromagnetic material, the ring gear and, therefore, the valve element are positioned via reluctance forces using a magnetic spindle, and the ring gear is sealed off from the spindle by a magnetically permeable housing partition.

Abstract: New methods and devices for reducing water consumption by restricting the supply pressures at the water consumption points.

Abstract: A downhole bidirectional apparatus, including a first engagement section; a second engagement section having a rotary device; a third engagement section; and a rotary source having a first rotary member and a second rotary member, the first rotary member disposed about the second rotary member, the first rotary member connected to a first gripping member and the second rotary member connected with a second gripping member, wherein the rotary device is rotatable in a first rotational direction when the second gripping member is engaged with the third engagement section and the first gripping member is rotatably engaged with the second engagement section, and wherein the rotary device is rotatable in a second rotational direction when the second gripping member is engaged with the second engagement section and the first gripping member is engaged with the first engagement section.

Abstract: A volume and pressure regulating device for an oxygen generating machine includes a body to combine a path assembly, a pressure valve assembly and a volume valve assembly within one body. The pressure valve assembly and the volume valve assembly are connected via the path assembly.

Abstract: A device for manually regulating the flow quantity of steam pipes, with a throttle housing having an inlet and an outlet. In order to create a particularly compact device with simple construction and low maintenance, which furthermore has a modular structure, the device has a piston arranged eccentrically inside the throttle housing and rotatable about its longitudinal axis, which piston can be activated by at least one carrier element from outside the throttle housing and is provided with an eccentric longitudinal bore, and wherein the pipe cross-section, after rotation through a specified angle, is reduced to a desired cross-section.

Abstract: A control valve for a fluid flow circuit comprises a body that has a fluid inlet and at least two fluid outlets (20, 22, 24) and that defines an axisymmetric housing for a modulating member capable of rotating about an axis of rotation (XX) and adopting different angular positions to control the distribution of the fluid through the outlets. The body comprises a side wall (16) into which the fluid outlets open. The side wall (16) and/or the modulating member comprises sunken areas (EV) and non-sunken areas (CR), the sunken areas (EV) serving to reduce the surface area of the modulating member (26) in contact with the side wall (16).

Abstract: A movable flow controller is interposed in a fluid flow path. The flow controller includes an elongate groove having a first end and a second end. The groove preferably is sized and shaped so that a cross-sectional area of the groove changes along its length from the first end to the second end, and terminates in a hole through the flow controller. In operation, a portion of the groove is aligned with an inlet of the flow path on a first side of the controller, and the hole is in communication with an outlet of the flow path on a second side of the controller. Moving the flow controller relative to the flow path input varies the minimum cross-sectional area of the flow path through the controller and thus selectively limits fluid flow through the controller.

Abstract: A pressure relief device is used to relieve pressure in a void within a wellhead housing. In one embodiment, the pressure relief device includes a plunger having a stepped plug, wherein the plug can be fully open to allow flow from the void, restricted to allow a predetermined flow to relieve pressure, or closed to prevent flow from the void. In another embodiment, the pressure relief device includes a vacuum puller that creates negative pressure in a vessel. As fluid in the void expands, it is able to enter the space formerly occupied by the plunger. In yet another embodiment, a rupture disc is used to prevent fluid from flowing from the void, through a passage, to the wellbore. If pressure in the void exceeds a predetermined value, the rupture disc yields and allows the trapped fluid to flow to the wellbore.

Abstract: Valve cartridges for a faucet are described herein. The valve cartridge has a body with a longitudinal passage, and a side opening. The cartridge has a spindle with a lower end portion in rotatable relationship with the body's interior surface, and an upper outwardly extending end portion. Included is a movable disk with a surface that contacts and interacts with the lower end portion of the spindle, an arcuate side wall portion and an inwardly extending side wall portion with a fluid receiving area that allows for fluid flow out of the body side opening. A stationary disk with a through opening allows passage of fluid from a body inlet through the side opening when the opening in the disk is aligned with the fluid receiving area. A sealing ring, which mates with the body, is provided to stabilize the stationary and movable disks within the body passage.

Abstract: A valve assembly is disclosed providing a disk valve, a retaining clip configuration, and a bonnet nut. The disk valve comprises a moveable disk having a pair of recesses that is rotatable relative to a stationary disk to regulate the flow of a fluid through two ports in communication with the disks. The retaining clip configuration comprises a hose clip engaging a retaining segment on a valve housing and two hoses to connect the two hoses to two ports on the valve housing. The bonnet nut provides a tactile resistance to an applied torque when a portion of the valve cartridge assembly is rotated in relation to the valve housing.

Abstract: A pulse width modulated fluidic valve 3005 includes a cylinder (352) having an elongate bore, a length, and first (344) and second (346) ports which extend from outside the cylinder (352) into the bore. A rotatable spool (302) is carried in the bore and movable in a direction of the length of cylinder (352). The spool (302) has a variable blocking feature (306) which blocks passage of fluid' between the first (344) and second (346) ports as a function of angular position relative to the first (344) and second (346) ports and as a function of linear position along the length of the cylinder (352).

Abstract: A water supply valve cartridge in which a flow rate control rotary disk has a reduced size, so that surface friction between the flow rate control rotary disk and a flow rate control fixed disk is minimized, thus improving manipulation efficiency of the water supply valve while opening or closing the valve, and which does not sensitively respond to flatness allowance due to the reduced size of the rotary disk, thus executing stable opening and closing operation. The flow rate control fixed disk (140) has water discharge holes (142). The flow rate control rotary disk (150) has a diameter to cover only the area around the water discharge holes (142), with a pair of flow rate control grooves (151) formed on the rotary disk (150) to open only the water discharge holes (142) during rotation.