Abstract: A multi-port valve is provided. The multi-port valve includes a housing which defines an internal cavity. The housing further includes a plurality of ports. Each of the plurality of ports is in communication with the internal cavity. A shell body is rotatably disposed within the internal cavity. A seal member is also provided which has a plurality of openings and surrounds the shell body such that it circumscribes the shell body within the internal cavity.

Abstract: The present disclosure provides gas valve assemblies that include a replaceable excess flow valve within a movable flow control body that is removably secured within a valve seat housing. The gas valve assemblies permit the replacement of an excess flow valve without interrupting the supply of gas to a structure and without replacing gas piping.

Abstract: A valve body has: a tubular portion, which is rotatably placed at an inside of a housing; and a partition wall which partitions an inside space of the tubular portion into a first valve chamber located on one axial side of the partition wall and a second valve chamber located on another axial side of the partition wall. A seal member is placed between an inner wall of the housing and the tubular portion of the valve body and extends in a circumferential direction. The seal member partitions an inside space of the housing into a first housing chamber, at which a first fluid inlet and a first fluid outlet of the housing are placed, and a second housing chamber, at which a second fluid inlet and a second fluid outlet of the housing are placed.

Abstract: Methods, apparatus, and systems for valve trim apparatus for use with control valves are disclosed. An example apparatus includes a valve body including a fluid flow path between an inlet and an outlet. The example apparatus also includes valve trim positioned in the fluid flow path, the valve trim including a first passageway extending from the inlet to the outlet, the first passageway including a first pressure staged passage and a second pressure staged passage, the second pressure staged passage including a first radial passageway.

Abstract: Various embodiments of an antimicrobial insert for a stopcock medical connector are provided. More specifically, the present invention relates to an antimicrobial insert that is seated within at least a portion of the annular bore of the connector's tap, wherein fluid within the annular bore contacts the antimicrobial insert, thereby preventing microbial proliferation within the stopcock medical connector.

Abstract: A handshower cradle assembly includes a waterway body, a handshower cradle, and an actuator. The handshower cradle is coupled to the waterway body. The actuator is configured to reduce a flow rate of water through the waterway body in response to a handshower being received within the handshower cradle. In some embodiments, the handshower cradle is configured to engage with the actuator under the weight of the handshower to adjust a position of the actuator with respect to the waterway body.

Abstract: A valve assembly is provided. The valve assembly includes a valve body having a valve chamber and a plurality of ports into the valve chamber. The plurality of ports include a first port, a second port, and a third port. The first port and the second port are aligned with a common axis and located on opposite sides of the valve chamber. The system further includes a valve member located within the valve chamber. The valve member is a rotatable ball having a fluid passage that extends through the ball and includes an opening at the end of the ball. The fluid passage is substantially oval-shaped when viewed at the opening in a direction parallel to the fluid passage. The valve assembly further includes a valve stem that is coupled to a valve member and has a first end that extends from the valve body.

Abstract: The mechanism includes a pipe and a valve provided in the pipe. The pipe is configured to connect a gas source and a semiconductor manufacturing apparatus. The valve is configured to control a flow rate of the gas. The valve includes a housing and a columnar shaft. The housing includes an inlet and an outlet. A gas flows from the gas source into the internal space through the inlet. A gas flows from the internal space to the semiconductor manufacturing apparatus through the outlet. A gap is provided between an outer peripheral surface of the shaft and an inner wall surface of the housing. The shaft is accommodated in the internal space of the housing and is rotatable. A through hole which penetrates the shaft is formed on the outer peripheral surface of the shaft. Both ends of the through hole correspond to the inlet and the outlet.

Abstract: A rotatable valve spool for a spool valve manifold. The rotatable valve spool having a longitudinal axis along its length, a cylindrical body, a first end, and a second end. A first angled seal, a second angled seal, an optional central seal, and an outer seal each disposed on the cylindrical body with the optional central seal disposed between the first and second angled seals and the outer seal disposed between the second angled seal and the second end. A first flow port in the cylindrical body disposed outboard of the first angled seal between the first angled seal and the first end or disposed in the first end, and a second flow port disposed outboard of the second angled seal between the second angled seal and the outer seal.

Abstract: The mechanism includes a pipe and a valve provided in the pipe. The pipe is configured to connect a gas source and a semiconductor manufacturing apparatus. The valve is configured to control a flow rate of the gas. The valve includes a housing and a columnar shaft. The housing includes an inlet and an outlet. A gas flows from the gas source into the internal space through the inlet. A gas flows from the internal space to the semiconductor manufacturing apparatus through the outlet. A gap is provided between an outer peripheral surface of the shaft and an inner wall surface of the housing. The shaft is accommodated in the internal space of the housing and is rotatable. A through hole which penetrates the shaft is formed on the outer peripheral surface of the shaft. Both ends of the through hole correspond to the inlet and the outlet.

Abstract: The invention relates to a valve having an inlet and an outlet, and a closure member. The closure member comprises an inlet area with a plurality of inlet openings and an outlet area. Main flow channels extend from initial openings in the inlet area through the closure member to openings in the outlet area, said initial openings are located in an initial flow inlet area of the inlet area which is first subjected to fluid from the inlet of the valve when the closure member is rotated from a fully closed position towards an initially open position.

Abstract: A cooling tower is provided having a heat exchange section. A water collection basin located above the heat exchange section. The water collection basin has a plurality of openings that allow water to be distributed downwardly onto the heat exchange section. The water collection basin openings each have a diameter of from 0.2 inch to 0.6 inch.

Abstract: A multiport ball valve body has one entry port and at least two exit ports disposed transversely to the ball valve body entry port. A ball disposed in the body has one entry port and one exit port that is disposed transversely to the ball entry port. The ball can be rotated to selectively align the ball exit port with one of the at least two body exit ports. Holes through the ball admit part of the fluid flow into the cavity between the ball and the body, and internal parts are exposed, such that the cavity and the internal parts are kept flushed.

Abstract: A ball valve apparatus with an improved linearity of fluid flow therethrough is provided. The ball valve includes a valve housing including a housing inlet and a housing outlet; a valve ball receivable within the valve housing, the valve ball having a bore therethrough, a ball inlet and ball outlet of the valve ball which are in fluid communication with the bore, a fluid flow path through the ball valve apparatus being defined at least in part by the housing inlet, housing outlet, ball inlet, ball outlet and the bore. There is also provided a valve stem engagable with the valve ball and.

Abstract: A fuel system including a high pressure fuel pump with a quite fuel metering valve is disclosed. In one example, the quite fuel metering valve may be driven via a rotating motor. The fuel system may reduce engine noise and may provide improved fuel pressure control.

Abstract: A control valve including: a valve body, a flow shutter operatively interposed between an inlet and an outlet, a driving spindle having at least a first actuating end and a second end connected to the flow shutter. The valve also includes a differential pressure automatic regulation device, comprising: a cup-shaped body arranged around the driving spindle and axially mobile with respect to said driving spindle; a spring operatively interposed between the valve body and the cup-shaped body to push the latter away from the flow shutter; a rolling membrane having a radially inner edge fixed to the cup-shaped body and a radially outer edge fixed to the valve body to delimit a first chamber in fluid communication with the inlet and a second chamber in fluid communication with the outlet.

Abstract: The valve comprises: a body (2) through which the fluid flows; and a controllable rotary closure means (3) disposed in the body, which can be rotated in relation to the body in order to occupy different angular positions. Advantageously, the body (2) comprises an inner cylindrical housing (4) having a circular cross-section, and the closure means (3) comprises one portion (14) arranged on a plane inclined in relation to the cylindrical housing (4) and co-operating with the side wall (5) of the housing by means of a peripheral generatrix, such as to provide a sealed contact between the closure means (3) and the body (2) in at least one angular position.

Abstract: The invention relates to a fluid flow valve, particularly for a motor vehicle. Said fluid flow valve comprises a body (2), capable of having said fluid pass therethrough; and a sealing means (3), placed in said body, capable of occupying different angular positions by rotation of said sealing means (3) relative to said body (2). Said sealing means (3) is configured so as to enable, in a first angular position, the fluid to pass from a first inlet (6) to a first outlet (21) of the valve and from a second inlet (22) to a second outlet (7) of the valve, and, in a second angular position, to enable the fluid to pass from the first inlet (6) to the second outlet (7) through the body (2). Said sealing means (3) is also configured so as to ensure a gradual closing of the first inlet (6).

Abstract: A valve assembly includes a valve housing having an internal generally cup-shaped bore, a valve control cartridge inserted into the bore and having a rotatable control stem extending upwardly therefrom, and a bonnet nut having a through-bore. The bonnet nut is threaded to the valve housing such that the control stem extends through the through-bore. Flexible fingers are provided along the through-bore to control a level of resistance to a rotation of the rotatable control stem. The stem is positioned to frictionally engage the flexible fingers as the stem is rotated.

Abstract: The invention relates to a turned regulating ball valve, which comprises a ball valve body, a ball and a stem mechanically fixed with the ball, the ball can be rotated by 90 degrees in the ball valve body using the stem as an axis, a first side and a second side of the ball valve body are respectively provided with an inlet seat and an outlet seat, the ball valve body and the inlet seat are provided with an inlet fluid passage, the ball valve body and the outlet seat are provided with an outlet fluid passage, the ball is placed between the inlet seat and the outlet seat, a first part of the ball, which is close to the inlet seat, is provided with a control assembly, and a second side of the ball, which is close to the outlet seat, is provided with a plurality of hole fluid channels which communicate with the control assembly.

Abstract: A hydraulic spool valve includes a housing, a valve element disposed within the housing, a first piston coupled to the valve element, and a first biasing member. The housing includes a pair of first ports. The valve element is selectively moveable within the housing between a first closed position and a second open position allowing fluid communication between the first ports. Hydraulic pressure against the first piston causes helical translation of the piston in a first direction, and motion of the valve element in a first direction from the first position toward the second position. The first biasing member is configured to bias the first piston and the valve element toward the first position.

Abstract: A liquid flow rate control valve is provided in which since a total area of overlapping sections of a communication hole group (38c, 38d) of a distributor (38) and an outlet opening (37a, 37b) of a sleeve (37) changes when the distributor (38) is rotated by a first electric motor (46), if a rotor (42) is rotated by means of a second electric motor (47), an input port (31e) communicates with an output port (31f) through an inlet opening (42c, 42d) of the rotor (42), the communication hole group (38c, 38d) of the distributor (38), and the outlet opening (37a, 37b) of the sleeve (37) when the inlet opening (42c, 42d) of the rotor (42) passes through the overlapping sections, thereby making it possible to carry out PWM control of a flow rate of liquid. Since a thrust load in an axis (L) direction does not act on the distributor (38) and the rotor (42), supporting the distributor (38) and the rotor (42) becomes easy, thereby enabling the cost and weight to be cut.

Abstract: A ball valve including a valve body having a valve chamber, a ball member positioned in the valve chamber and defining first and second internal passages in fluid communication, and first and second seat rings, the first seat ring allowing fluid to flow past and through the second passage when the ball valve is in a life-sustaining flow operating position.

Abstract: An optimized fluid valve port has the following features: 1) the seal is preferably a standard O-ring seated in a rectilinear seal channel of one of a first or second valve body, 2) the unsupported span of the O-ring during valve port crossing is limited to a length of less than approximately three O-ring diameters, the support being provided by a web disposed between port openings; and 3), within the area of the O-ring, the fluid flow area of the fluid valve port is maximized.

Abstract: A choke assembly tensioner system for use with a tensioning system of a drilling rig to control a riser recoil event with a choke spool housing with a hydraulic tank fluid port, a spool retainer port, an actuator opening with a rotation limiting keyway and a choke spool disposed within the choke spool housing. An actuator system with a cover, electrical and directional connections is connected and retains the choke spool housing which is further retained within the choke spool housing by a retaining spool which has an orifice for hydraulic fluid. The choke spool is connected to the choke spool housing by bearing surfaces on the choke spool and the choke spool housing. The choke spool is comprised of an outer spool and a rotatable inner spool, both containing a plurality of bidirectional flow holes. The rotatable inner spool has a shaft which contains pressure neutralization holes.

Abstract: A riser recoil valve for use with a tensioning system of a drilling rig to control a riser recoil event with a choke spool housing with a hydraulic tank fluid port, a spool retainer port, an actuator opening with a rotation limiting keyway and a choke spool disposed within the choke spool housing. An actuator system with a cover, electrical and directional connections is connected and retains the choke spool housing which is further retained within the choke spool housing by a retaining spool which has an orifice for hydraulic fluid. The choke spool is connected to the choke spool housing by bearing surfaces on the choke spool and the choke spool housing. The choke spool is comprised of an outer spool and a rotatable inner spool, both containing a plurality of bidirectional flow holes. The rotatable inner spool has a shaft which contains pressure neutralization holes.

Abstract: There is a closure member for rotating or reciprocating movement between upstream and downstream passageways of a valve. A device, which consists of two or more elongated tubes whose cross sections form up into one or more files in moving direction of the closure member to divide the upstream passageway into many channels capable of leading the fluid to flow through, is disposed in the upstream passageway of the valve upstream of the closure member, consequently the upstream surface of the closure member can respectively open or close each channel in sequence while the closure member is rotating or reciprocating in the valve.

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: An adjustable valve is disclosed which includes a plug body having at least one flow path defined therein and a choke cage positioned proximate the plug body, the choke cage comprising a plurality of openings to permit a flow of a fluid therethrough, the choke cage adapted to be used to regulate the flow of fluid through the flow path in the plug body.

Abstract: This invention relates to a control valve which comprises a first and a second flow channel (2, 3), a valve chamber (4) and a closing member (5), from which a shaft (6) extends. A flow connection is established in the control valve through the inner part of the chamber (4). The flow connection into the chamber (4) and the one out of the chamber (4) are constricted at all openings (A1, A2, A3) when the closing member (5) is turned about the rotation axis (10) in the chamber (4).

Abstract: A mounting arrangement for mounting at least one rotary valve to a drive shaft is provided, where the drive shaft includes at least one mounting hole at a predetermined position therein. The mounting arrangement may include at least one rotary valve having a curved portion and two side portions. The arrangement may also include a central passage passing through the two side portions that is shaped to allow the drive shaft to extend therethrough. The rotary valve may also include a mounting opening, opening towards the central passage at a predetermined position. The arrangement may include a mounting element extending through the mounting opening of the rotary valve into the mounting hole in the drive shaft, to mount the rotary valve to the drive shaft at a predetermined position.

Abstract: A duel fuel gas control valve controls the supply of gas (e.g., natural gas or liquid propane gas) to a gas grill. The duel fuel gas control valve is structured to control either natural or LP gas flow at the desired operating characteristics based on conventional gas supply characteristics and gas grill requirements. A restrictor mechanism, when in first and second configurations, respectively, restricts movement of the valve core to a first predetermined range for a first mode of operation (first type of gas supply) and to a second predetermined range for a second mode of operation (second type of gas supply).

Abstract: A control valve for a device for variably setting control times of gas exchange valves of an internal combustion engine. The control valve has a valve housing, which is hollow, and at least one inflow connection, at least one exhaust connection, and at least two working connections, a hydraulic medium conduction insert disposed in the valve housing and implemented as hollow, having hydraulic medium conduction channels, which are disposed in the wall of the hydraulic medium conduction insert and communicate with the working connections; and a control piston, which is disposed in the hydraulic medium conduction insert. The hydraulic medium conduction insert has a guide sleeve, in which the control piston is guided. The guide sleeve has a plastic encapsulation, in which at least two of the hydraulic medium conduction channels are disposed, and a filter fabric is provided between the plastic encapsulation and the guide sleeve.

Abstract: A rotary cylinder valve comprises a valve body, a valve cylinder rotationally mounted within the valve body, and first, second, third and fourth valve seats coupled to the valve body. The valve cylinder has a first position in which dual independent flow paths connect the first valve seat with the second valve seat, and connect the third valve seat with the fourth valve seat. The valve cylinder is rotatable to a second position in which the dual independent flow paths connect the first valve seat with the fourth valve seat, and connect the third valve seat with the second valve seat. The valve seats form seals against the valve cylinder, such that no flow path connects the first valve seat with the third valve seat.

Abstract: A flow control valve includes a stem extending into an interior bore defined by a wall of a flow control member of the valve, the stem and the wall defining therebetween a cylindrical space allowing fluid communication between apertures formed in differing planes of the flow control member.

Abstract: A processing apparatus is disclosed which is capable of switching supplies of a raw material gas and a reducing gas alternately, while continuously forming a plasma of the reducing gas. An excitation device (12) excites a reducing gas supplied thereinto, and the excited reducing gas is supplied into a process chamber (2). A switching mechanism (20) is arranged between the excitation device (12) and the process chamber (2), and a bypass line (22) is connected to the switching mechanism (20). The switching mechanism (20) switches the flow of the excited reducing gas from the excitation device (12) between the process chamber (2) and the bypass line (22).

Abstract: A flow control valve for medical liquid is disclosed. The valve has a housing including an inlet, an outlet, and a flow path therebetween. A plurality of flow restrictors are located in the flow path to define a plurality of flow streams of differing flow rates. A flow control member is disposed in the flow path, and has a plurality of discrete apertures in a first region or plane and at least one aperture in a second region or plane spaced apart from the first plane. The flow control member is rotationally movable and defines an annular gap and radial groove which provide fluid communication between the different planes and the outlet regardless of the orientation of the flow control member.

Abstract: The invention relates to a manual gas valve for use with either LP gas or natural gas operation with the purpose of solving the technical dilemma that the existing gas valve cannot be converted conveniently for use with different gases having different heating values. The manual gas valve of the present invention comprises a nozzle 1, a 8×1.9 O-shaped ring 2, a nozzle holder 3, a valve body 4, a faucet 5, a regulating lever 6, a 1.78×1.78 O-shaped ring 7, a spring 8, a stop plate 9, a pair of bolts 10, a mounting cover 11, and a valve stem 12. By utilizing the manual gas valve of the present invention, LP gas and natural gas can be used interchangeably and the gas flow can be conveniently regulated to achieve a similar heating value with either LP gas or natural gas operation. In addition, the conversion is easy and convenient, without requiring the use of any special tools or relying on any additional testing apparatus.

Abstract: A strainer system having two separate strainers positioned in parallel, where one strainer can be cleaned while still permitting normal flow through the other strainer. The system flow circuit is arranged so that a high pressure backwashing flow can be applied to one strainer while the other strainer is providing its normal straining function. The backwashed strainer is then isolated by valves so that its access flange can be removed and the particulate buildup within the valve plug cleaned out. The strainer is then returned to service following the replacement of the access flange. In this manner, it is possible to alternate between the two strainers so that continuous flow can be maintained to the hydraulic choke located downstream of the strainer system.

Abstract: A valve includes a rotating, substantially pressure-balanced spool that selectively aligns openings within the spool with openings within a sleeve to selectively connect ports of a manifold for gas or liquid routing. A valve may also include a stem, a needle coupled to the stem. a seat configured to receive the needle, a reservoir, an outlet coupled to the reservoir, and a servo motor coupled to the stem. The servo motor rotates the stem to raise or lower the needle relative to the seat to variably restrict or allow matter flowing from the reservoir to the outlet.

Abstract: A method of forming a ball valve element for a rotary ball valve assembly, the method comprising the steps of: (a) inserting an impedance element through an insertion opening of a ball valve element into a bore; (b) forming a fluid opening in the ball valve element which is non-rectilinearly aligned with the insertion opening and which communicates with the bore; and (c) sealing the insertion opening. A ball valve element for a rotary ball valve assembly formed using such a method; and a rotary ball valve assembly comprising a ball valve element formed using such a method are also provided.

Abstract: The invention contemplates a strainer based upon a four-way, two-position rotary cylindrical plug valve having a hollow plug. The normal entry port for the sealing plug of the plug valve is a circular radial hole passing from the exterior of the plug into the interior cavity of the plug. The normal exit port for the sealing plug is a regular array of small holes across from and coaxial with the normal entry hole. The ports for the valve body are in two pairs positioned at 90° from each other, with the axes of the ports lying in the same transverse plane as the ports of the valve plug.

Abstract: A valve assembly, comprises a housing having an inlet, an outlet, and an internal volume; a pair of sealing rings and mounted to the housing; and a spherical plug rotatably disposed within the housing for contact with the seating rings, the spherical plug comprising a general spherical main body having a generally cylindrical bore therethrough; and a plurality of slotted plates longitudinally parallel to each other and parallel with the axis rotation of the spherical plug.

Abstract: A valve uniquely integrates ball valve and throttling valve principals, thus affording quieter stop-and-start operation. A ball held by two seat rings is rotatable ninety degrees and has a diametric bore adjustable between fully closed (0°) and fully open (90°) positions. Oppositely disposed, relative to both the ball and the valve's longitudinal axis, are two plate assemblies each describing a tortuous fluid path. Each ring has conduits communicating with an assembly's tortuous path and communicable with the bore so that, sequentially during the ball's 0° to 90° rotation: the ball seals off the conduits, no fluid passing through the valve; all fluid passing through the valve flows through the plate assemblies and conduits; some fluid passing through the valve flows through the plate assemblies and conduits, some fluid passing through the valve flowing freely; the ball seals off the conduits, all fluid passing through the valve flowing freely.

Abstract: A method of forming a ball valve element for a rotary ball valve assembly, the method comprising the steps of: (a) inserting an impedance element through an insertion opening of a ball valve element into a bore; (b) forming a fluid opening in the ball valve element which is non-rectilinearly aligned with the insertion opening and which communicates with the bore; and (c) sealing the insertion opening. A ball valve element for a rotary ball valve assembly formed using such a method; and a rotary ball valve assembly comprising a ball valve element formed using such a method are also provided.

Abstract: A pressure regulator module for controlling a gas is provided, which includes a chamber, at least one gas inlet, and at least one gas outlet. In addition, a proportional valve operating essentially according to the pressure-equalization principle is post-connected to the gas inlet and is pre-connected to the chamber, and the proportional valve acts together with a pressure sensor situated in the chamber.

Abstract: A regulation ball valve for a fluid flow in which a ball is rotatable to bring a passage thereof from a limit position of full opening of the valve to a limit position of full closure of the valve and vice versa. Present in the passage are perforated baffles that at least at an intermediate position between the limit positions are passed through by a fluid flow. The perforated baffles include two perforated metal sheets between which a layer permeable to the fluid is disposed. In particular the layer can advantageously be formed of chaotically-disposed filaments as in steel wool.

Abstract: A valve assembly comprising a rotary closure element which defines an axis of rotation and is selectively movable between a fully open position and a fully closed position. Mounted to and movable with the rotary closure element is an impedance assembly. The impedance assembly defines an inflow end and an outflow end, and comprises a plurality of tortuous passageways which extend from the inflow end to the outflow end. Also fully or partially defined by the impedance assembly is an enlarged flow opening which extends from the inflow end to the outflow end. The tortuous passageways and the flow opening are oriented relative to each other such that a portion of a flow through the valve assembly is directed into the tortuous passageways and a portion of the flow is directed through the flow opening when the closure element is in the fully open position.

Abstract: A rotary barrel gate valve includes a body and at least one passage through the body defining an inlet and an outlet. There is a first actuator for rotating the body, a second actuator for translating the body, and a sealing portion on the body which seals the body with respect to an opening into a chamber adjacent the body.

Abstract: A rotary ball valve assembly for a rotary ball valve comprises a rotary closure element and an impedance assembly. The closure element is rotatable about a rotational axis, and has a through-bore defining a flow inlet and a flow outlet. The impedance assembly is positioned, at least in part, within the bore of the closure element. The impedance assembly includes a plurality of flow passages therethrough. An inlet and/or outlet of two or more of the flow passages is elongate and arcuate so that, in use, as the closure element rotates, the arcuate elongate inlet and/or outlet of each flow passage which is exposed is fully or substantially fully opened.