Abstract: A system includes a valve subassembly configured to be disposed along an internal flowline exit of a first internal flowline within a downhole drilling module. The valve subassembly includes an active valve configured to regulate flow of a fluid through the internal flowline exit and a passive valve configured to be passively controlled based on a differential pressure between a first volume of the downhole drilling module and a second volume surrounding the downhole drilling module.

Abstract: A diaphragm valve includes a valve body, a diaphragm, a bonnet, an operation mechanism, and a fixing mechanism. The fixing mechanism includes a clamping member for integrally sandwiching and fixing, from both right and left sides, circumferential edges of both the bonnet and the valve body. A circular pressing member for pressing a circumferential edge of the diaphragm from above is interposed between the diaphragm and the bonnet and has convex portions and concave portions. The convex portions fit into notches provided at the circumferential edge of the diaphragm or the valve body, and the concave portions are fitted by protrusions provided at the circumferential edge of the diaphragm or the valve body.

Abstract: A combination of a faucet handle and a control valve has a faucet, an ornament panel, a positioning plate, a sleeve and a handle; wherein: the faucet is insertable into an existing installation hole in a wall, a connecting section of the faucet is disposed through the installation hole, the connecting section having an outer thread formed on a peripheral surface thereof and a control rod protruding from a center position, the control rod connected to a control member of the faucet.

Abstract: A modular waste drain can includes at least two of the following separate modules that can be selectively attached and detached from each other: an inlet assembly, an outlet assembly and a knife gate valve. An additional module can be provided by a valve guard assembly.

Abstract: A conical rotary valve for chromatographic applications is provided, including a valve stator, a valve rotor, a drive adaptor and a pair of stoppers each mounted to the stator. The drive adaptor is rotatable and coupled to the valve rotor for transmitting a rotating force thereto. The drive adaptor has a body and a pair of radial arms projecting from the body radially outward from the axis of rotation on opposite sides thereof. Each of the pair of radial arms is movable along a respective arcuate travelling course with respect to the stator. The stoppers are each positioned to obstruct one of the radial arms at an end of the corresponding travelling course. The stoppers are positioned to simultaneously engage the radial arms, thereby balancing the reaction forces created within the valve when the radial arms reach the ends of their travelling courses.

Abstract: A ball or half-ball valve with drain-proof mechanism includes a body; inner side of the body being formed as an approximate round chamber therein and a through hole communicated to the chamber; an annular seat received in the through hole; two ends of the annular seat having reduced stepped structures; the annular seat being made of metal; an inner side of a rear end of the annular seat being formed with a reduced annular recess and an outer side of a front end thereof being formed with a stepped structure; a valve unit being installed to the inner side of the annular seat; the valve unit having an axial hole for receiving the stem; and a cover having a size corresponding to that of the through hole; and an outer rear end of the cover being formed with an annular flange received in the annular recess of the annular seat.

Abstract: Apparatus is provided featuring a spindle having extending spindle portions configured with spindle glands; a compressor having extending compressor portions configured with compressor glands, and a snap ring configured to engage the spindle glands and the compressor glands in order to attach the spindle and compressor together, so that the compressor may be quickly released from the spindle by releasing an engagement between the snap ring, the spindle glands and/or the compressor glands.

Abstract: An inflatable cushion including: an inflatable body, having an upper surface and a lower surface, said body including an air-impermeable skin defining a chamber, an elastic foam core within said chamber and a sealable air valve; and an external elastic foam layer substantially covering at least one of said upper and lower of surfaces; wherein: the foam core is formed of a foam having a density of between about 15 kg/m3 and about 35 kg/ma and a hardness of between about 25 newtons and about 45 newtons; and the foam layer is formed of a foam having a density of between about 35 kg/m3 and about 65 kg/m3 and a hardness of between about 35 newtons and about 95 newtons.

Abstract: A valve actuating mechanism has an actuator housing and an actuator drive. A spring is connected between them so that when the actuator drive is in a lock position, the spring biases the actuator drive toward an unlock position. A locking member is movable from a first position received in a locking aperture of the actuator drive and in a hole in the actuator housing so as to hold the actuator drive relative to the housing in the locking position and to a second position in which the locking member is outside of the locking aperture so that the spring can move the actuator drive to the unlocked position. A blocking device blocks movement of the locking member but can release the locking member to allow the actuator drive to turn.

Abstract: An air discharge valve comprises a pipe connection base, a rotary member, at least one seal member and a buffer member. The pipe connection base comprises at least one pipe member which comprises an orifice; the rotary member and the buffer member are both axially connected with the pipe connection base to rotate about a rotation axis relative to the pipe connection base; the rotary member comprises at least one operational part, and the at least one seal member is connected with the rotary member and corresponded to the orifice; the buffer member comprises at least one corresponding operational part, and a rotation buffering space is reserved between each corresponding operational part and each operational part.

Abstract: Axial fluid valves having curved or angled valve bodies are described herein. An example apparatus disclosed herein includes a valve body defining a passageway between an inlet and an outlet, the inlet is aligned along a first axis and the outlet is aligned along a second axis. The example apparatus includes a flow control member interposed between the inlet and the outlet. The example apparatus also includes an actuator having a stem coupled to the flow control member to move the flow control member along a third axis in the passageway. In the example apparatus, the third axis is substantially parallel to and offset from at least one of the first axis or the second axis.

Abstract: A method and apparatus for self-calibrating control of gas flow. The gas flow rate is initially set by controlling, to a high degree of precision, the amount of opening of a flow restriction, where the design of the apparatus containing the flow restriction lends itself to achieving high precision. The gas flow rate is then measured by a pressure rate-of-drop upstream of the flow restriction, and the amount of flow restriction opening is adjusted, if need be, to obtain exactly the desired flow.

Abstract: Valves having a sprung gate of various constructions are disclosed. In one embodiment, the sprung gate includes a first endless elastic band having an inner perimeter defining an open space sandwiched between a first gate member and a second gate member that each define an opening therethrough in an open position portion thereof. The first endless elastic band is sandwiched therebetween with its open space oriented for alignment with the opening in both of the first and second gate members, which are aligned with one another to form a passage through the sprung gate. In one aspect, the first endless elastic band in positioned inward a distance from the outer sides of the first and second gate members and spaces the first gate member a distance apart from the second gate member thereby defining a channel having a bottom defined by the first endless elastic band.

Abstract: A water purification apparatus comprising at least: (a) one or more water purification components to provide a purified water stream, preferably having a conductivity of less than 1 ?S/cm; and (b) a stepper motor (35) to control the dispense of the purified water stream (28) from the water purification apparatus. Stepper motors can provide very fine and accurate control of the dispense of the purified water stream from the water purification apparatus, which control is unaffected by the flow or flow rate of the purified water stream.

Abstract: A safety valve device as for use with a compressed gas cylinder and/or a control valve comprising a housing unit, a plug with controlled bleed off channels bored into the plug, an actuator, and an actuating rod, which is designed to engage in the event that a control valve is severed from a compressed gas cylinder, at least partially sealing the opening formed in the compressed gas cylinder from the severing of the control valve, and achieving a safer, controlled bleed off of the compressed gas contained therein.

Abstract: A valve includes a main body, an actuating member, and at least one resilient member. The main body defining includes a sliding hole and comprising a first connecting hole, a second connecting hole and a third connecting hole. The first connecting hole and the second connecting hole communicate with the sliding hole. The actuating member includes a sliding rod interferentially fit and slidable received in the sliding hole between a first position and a second position. The sliding rod defines a first hole, a second hole, and a third hole communicating with the second hole.

Abstract: Water valves and methods of regulating fluid flow for low ambient pressure water sources that reduce the amount of filtration needed for valve mechanisms operating in the water source.

Abstract: A combination valve and valve extension allows an operator to open and close a hose bib. A ball valve attaches to the free end of a hose bib. An extension member includes a coupling end that slides over the handle of the ball valve. A handle is provided at an opposite end of the extension member to allow torque to be exerted on the ball valve handle to open and close it. In this manner, a simple and cost effective method of controlling a hose bib without incurring many of the problems associated with bushes planted in front of the hose.

Abstract: A vacuum evaporating apparatus includes a driving unit, a linear-moving portion connected to the driving unit to move linearly, a rotational-moving portion connected to the linear-moving portion to move rotationally, and a shutter portion connected to the rotational-moving portion to pivot.

Abstract: A valve handle that operates a valve, and includes permanent, integral labeling. The labeling includes installer information about the installer of the valve handle, including the installer's name and contact information; and the function of the valve operated by said valve handle.

Abstract: The invention provides a cable drive device (10) including a linear drive member (12), and a cable drum (14) attached to a support bracket (30, 32) adapted to be affixed to a surface. The cable drum (14) has an axle (26) supported by the support bracket (30, 32) to allow rotation of the cable drum (14). The cable drum (14) has a cable (42) affixed at either end of said linear drive member (12) and tautly wrapped around the cable drum (14). The cable drum (14) is located between the ends of the linear drive member (12) to, in use, allow the linear drive member (12) to be guided through the bracket (30, 32) to move the linear drive member (12) longitudinally when the axle (26) is rotated.

Abstract: A hands-free faucet control device includes a water valve assembly and a foot pedal assembly. The water valve assembly includes a housing with two input ports and two output port configured to be attachable in series with a hot water pipe and a cold water pipe. A valve includes two through holes and is movable in the housing between a closed position and an open position. In the open position the two through holes are in alignment with the two input and output ports. In the closed position the two through holes are not in alignment with the two input and output ports. A spring is biased against the valve keeping the valve in the closed position. The single valve reduces costs, increases reliability and simplifies ease of installation. The foot actuated faucet can also be configured to remain in the down/on position through various mechanical structures.

Abstract: A control mechanism for a refuse vehicle includes a first control valve that operates a first hydraulically controlled mechanism and a second control valve that operates a second hydraulically controlled mechanism. The control mechanism also includes a plurality of switches and a pneumatic control mechanism. The plurality of switches generates a valve select signal and a mode signal. The pneumatic control mechanism selectively controls the first control valve and the second control valve based on the valve select signal and the mode signal. An operator of the refuse vehicle actuates the plurality of switches while the operator is operating the pneumatic control mechanism.

Abstract: A faucet handle includes a fluid supply line, fluid return line, and valve cartridge. A first portion of the valve cartridge provides a connecting passage between fluid supply line and fluid return line and allows fluid flow when the valve cartridge is open. A valve body having first and second openings houses the first portion of the valve cartridge. A second portion of the valve cartridge extends through first opening and extends from first portion to second portion in a direction that is substantially parallel to a mounting surface. A control handle contacts second portion of the valve cartridge. When control handle is rotated in a first direction around an axis along which the valve cartridge extends the valve cartridge is opened allowing flow from supply line to return line, and when the valve cartridge is rotated around the axis in an opposing direction the valve cartridge is closed.

Abstract: A regulator comprises a regulator valve and an actuator. The actuator is coupled to the regulator valve and comprises a control element for controlling the flow of fluid through the regulator valve. The regulator valve is equipped with a self-aligning valve port that includes a retaining portion, a biased portion disposed within the retaining portion, and a biasing member disposed between the retaining portion and the biased portion. The self-aligning valve port advantageously automatically adjusts to achieve sealed engagement with the control element of the actuator, thereby improving regulator performance.

Abstract: The invention concerns an valve drive assembly for a valve unit for regulating a flow of fluid with a lead-through of an operating rod (3) through a flange (4), particularly the arrangement of operating rod (3) to the flange (4) for adjusting a defined flow of fluid. The assembly comprises a flange (4), and operating rod (3) and an annular element. The operating rod (3) is disposed through said flange, and annular element is disposed between flange (4) and operating rod (3) defining an annular gap (12) between the annular element and the operating rod. An effective length of the annular gap (12) exceeds a thickness of the flange (4). This invention leads to considerable cost savings, as the component parts can now be produced more simply using manufacturing processes known from mass production, such as deep-drawing or even stamping.

Abstract: A valve extension handle is disclosed in the present invention. Said valve extension handle is comprised of a extension member with opposed first and second ends, a clamping member connected to the first end of the extension member, and a control member connected to the second end of the extension member. Said clamping member can be attached to the gas tank valve. When the control member connected to the second end of the extension member is turned, the clamping member attached to gas tank valve moves gas tank valve to turn on or shut off the gas flow from said tank.

Abstract: A control element for a fluid flow control device includes a stem, a plug, and a fastener. The stem includes an elongated member with a first end and a second end. The first end is adapted to be operably coupled to an actuator and the second end including a fastener recess including a plurality of internal threads. The plug is disposed adjacent to the second end of the stem. The fastener fixing the plug to the stem and includes a threaded portion extending from the plug and engaging the plurality of internal threads of the fastener recess.

Abstract: A valve comprising a drive part having a valve block with at least one outlet opening; a valve part having a tappet that can be moved by a drive, wherein the tappet opens or closes the outlet opening depending on its position; and a spring that is disposed between the valve block and the tappet.

Abstract: A suction tube arrangement includes a suction tube having a suction tube opening and an actuating shaft which is received in the suction tube. The actuating shaft has a base body made of a first material and an actuating shaft body made of a second material and at least partially applied on the base body. The base body or the actuating shaft body forms at least one cover element to open or close the suction tube opening as a function of a rotation of the actuating shaft. An actuating element is at least partially enclosed by the actuating shaft body for actuating the actuating shaft.

Abstract: A valve actuator apparatus and method for adjusting for valve bore drift using an adjustable downstop is disclosed. The adjustable downstop comprises a downstop and a drift adjuster. The drift adjuster can me moved in an upwards or downwards direction to increase or decrease the stroke length of the operator shaft.

Abstract: A gas valve unit for setting a gas volume flow supplied to a gas burner of a gas appliance includes a valve housing, an actuation pin for setting an opening cross section of the gas valve unit, a shutoff valve, and a linearly displaceable connecting element for transferring a movement of the actuation pin to the shutoff valve. The connecting element has at least one spring which can be embodied as a compression spring or as a coil spring.

Abstract: A gripping mechanism for a gas tank utility valve is provided. The mechanism has a top portion and a bottom portion. The top portion provides a grip that allows for hand-tightening of the valve and the bottom portion is formed to include at least one cavity that receives the knob attached to the utility valve in a relatively tight-fit fashion.

Abstract: A flow adjusting device includes a fixation unit with a waterway and a button; the fixation unit is disposed with a movable shaft, a pushing rod and a spring, the movable shaft and the pushing rod can move relatively to the fixation unit, the motion direction is parallel to the flowing direction of the water in the waterway, the discharge area of the waterway is changed by the relative motion of the movable shaft and the fixation unit to adjust the flow rate, thereinto, the fixation unit, the movable shaft, the pushing rod and the spring are cooperated to form an automatic ball-point pen like movable mechanism; the button is connected to the fixation unit in a sliding way, the sliding direction of the button is vertical to that of the movable shaft, the button and the end of the pushing rod are formed a linkage construction.

Abstract: The present application relates to a shaft locking device. The device has an locking element configured to be mounted on a shaft in a first position so that the locking element indicates the angular position of the shaft. The locking element is also configured to be mounted on a shaft in a second position so that the locking element is locatable against a stop to prevent rotation of the shaft. The present application also relates to a device for determining the angular position of a shaft, a valve assembly and an actuating unit for a valve.

Abstract: A touch switch outlet mechanism has a fixation unit and a switch unit. The fixation unit includes an inlet waterway connected to the water source, a water diversion cavity connected to the inlet waterway, N number of water diversion holes connected to the water diversion cavity and several outlet functions with same number as the water diversion holes and one to one corresponding to the water diversion holes, N is equal to or more than 2; The switch unit includes N?1 number of sealing balls and N touch buttons, the N touch buttons are separately disposed with a touch end inside the water diversion cavity and a controlled end controlled by the user, the touch ends of the N touch buttons corresponding to N water diversion holes and sliding connected to the fixation unit, the N?1 sealing balls can close N?1 of the N water diversion holes.

Abstract: A valve actuating mechanism has an actuator housing and an actuator drive. A spring is connected between them so that when the actuator drive is in a lock position, the spring biases the actuator drive toward an unlock position. A locking member is movable from a first position received in a locking aperture of the actuator drive and in a hole in the actuator housing so as to hold the actuator drive relative to the housing in the locking position and to a second position in which the locking member is outside of the locking aperture so that the spring can move the actuator drive to the unlocked position. A blocking device blocks movement of the locking member but can release the locking member to allow the actuator drive to turn.

Abstract: A micro fluidic device includes a valve/pump-unit with reduced dead volume having a substrate. The lower surface of the substrate includes two micro channels spaced apart by a valve area of the substrate that separates the two micro channels. A flexible membrane is arranged on the lower surface of the substrate facing an actuating element located in a through going cut-out of a cover element. Movement of the actuating element towards and away from the valve area of the substrate causes a pump and/or valve action of the flexible membrane area, respectively, to cause or stop a directed fluid flow between the two micro channels through a channel formed between the valve area of the substrate and the flexible membrane.

Abstract: A device for remotely controlling the operation of a spigot of a portable liquid container, the spigot having a shaft member that moves linearly with respect to the spigot body, a button that when engaged compresses a spigot spring and urges the spigot shaft and spigot valve to their open positions. When the button is no longer engaged, the spigot spring decompresses and urges the shaft and spigot members to their closed position. The device includes a spigot control member with a movable actuator member that is connected to a foot control member by means of a flexible cable. When the spigot control member is attached and the foot control member is activated, the flexible cable and the actuator member move to engage the spigot button. The pressure on the spigot button urges the spigot spring, shaft and valve to their open positions. With the spigot members in their open positions, liquid is allowed to flow from the container through the spigot.

Abstract: An outlet box housing a stop valve that is connected to a water supply line of a building. The outlet box enables a user to control the internally housed stop valve by axial movement of a handle assembly linked to a handle on the valve. The outlet box has a faceplate with at least one aperture through which the handle assembly and water outlet line can pass. Valve inlet shanks (or adaptors) connect the stop valve to the water supply line and allow for quick and easy replacement of the stop valve.

Abstract: A device for a valve actuator is described, the valve actuator being provided with a slide nut surrounding a portion of an actuator slide and being in engagement with an external threaded portion arranged on the actuator slide, the slide nut being axially fixed relative to the actuator slide, and the actuator slide being in rotation-preventing engagement with a portion of an actuator mounting or a valve housing, and the slide nut being connected to a driving motor via transmission means. Also, a method of operating a valve is described, the method including the step of: providing an axial displacement of the actuator slide by rotating a slide nut which surrounds a portion of an actuator slide, is in engagement with an external threaded portion arranged on the actuator slide and is axially fixed relative to the actuator slide, the rotation being provided with the help of at least one driving motor.

Abstract: An air shutoff valve includes a passage for supplying air, a swing gate, a shaft attached to a reset handle, and a spring to urge the gate toward its closed position. A trigger assembly secures the shaft and gate in the open position and includes an actuator, a cam, and a rocker arm. A cam surface of the arm has a notch to receive a sear point of the cam. Movement of the handle against the spring causes the cam contact surface of the cam to follow the cam surface to cause the arm to rotate such that the sear point is received in the notch. Actuating the actuator causes the arm to pivot away from the cam such that the sear point is released from the notch, wherein the spring causes the shaft to move the gate to its closed position.

Abstract: A microfluidic thermal bend actuated pressure pulse valve having an inlet for receiving a flow of liquid, an outlet for outputting the flow of liquid, a meniscus anchor between the inlet and the outlet such that the flow from the inlet towards the outlet stops at the meniscus anchor where the liquid forms a meniscus, a movable member for contacting the liquid, and, a thermal expansion actuator for displacing the movable member to generate a pulse in the liquid to dislodge the meniscus such that the liquid flow towards the outlet resumes.

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 dual piston valve actuator operable to provide an initial thrust force that is greater than a subsequent thrust force for moving a gate valve from a closed position to an open position. The actuator may include a first piston and a second piston movably disposed within a bore of the first piston. The first piston may define a first piston area for proving the initial thrust force, and the second piston may define a second piston area (that is less than the first piston area) for providing the subsequent thrust force. Movement of the first piston is limited relative to the second piston for moving the gate valve using the initial thrust force an initial portion of the valve stroke, while moving the gave valve using the subsequent thrust force the remaining portion of the valve stroke.

Abstract: A wall-mounted faucet control comprises: a control handle and three joints. Each joint has an insertion aperture. Each insertion aperture has a different cross-sectional shape such that the control handle can be installed with the various control rods. Each insertion aperture has a limiting aperture at one end, and the limiting aperture further provides a locking member and a washer. An assembling slot is disposed adjacent to the insertion aperture of each joint, and the assembling slot engages with a screwing member of the control handle. Two joints further have the securing aperture connected to the insertion aperture adjacent to the assembling slot, and the securing aperture engages with a securing member. The joints of the control handle can be correspondingly alternated for the various valve rods. The control handle can be installed with the various water valves, which can provide variety and convenience.

Abstract: A valve operating device includes a mounting for attachment to a vehicle and an elongate arm, the free end of which is only moveable across the underlying ground. The joints of the arm pivot around vertical axes and the arm is locked into a desired orientation by a brake at each joint. A valve turning machine is at the free end of the arm. The brakes are engaged and released by a control on the valve turning machine.

Abstract: Used in a pneumatic tool having an air intake passage and a gas control member set in the air intake passage, a switch is disclosed to include a valve seat set in the air intake passage and movable into contact with or away from the gas control member and defining an air hole, and a valve rod inserted through the air hole of the valve seat and biasable to stop a positioning portion thereof against the air hole or to move the positioning portion away from the air hole. When the positioning portion of the valve rod is stopped against the valve seat and the valve seat is stopped against the gas control member, the air intake passage is blocked.

Abstract: A coupling assembly includes a keyed coupling configured to couple to a valve stem and a plate configured to couple to a knob. The keyed coupling includes a projection having a cross-sectional shape. The plate includes a keyed slot defined therethrough. The keyed slot is shaped to correspond to the cross-sectional shape of the projection to receive at least a portion of the projection when the plate is coupled to the valve stem.

Abstract: An actuating device or displacing a control device, such as a valve, gate valve or other control mechanism, in particular for use in oil or gas production systems, comprises a motor-gear unit (21) and a thread drive (22) which is operable by said motor-gear unit (21) and which comprises at least a threaded spindle (23) and a screw nut (24). The threaded spindle (23) is displaceable in an essentially axial direction so as to displace the control device (2) between a use position (7) and a non-use position (8, 9, 19, 20). To ensure a safe displacement into the non-use position in a simple way and independently of the pressure conditions prevailing between conveying medium and inner medium, the threaded spindle (23) is substantially axially displaceable beyond the use position (7) into a second non-use position (9). The invention also refers to a corresponding method for displacing the actuating device.