Abstract: A nozzle check valve comprises a valve body (10) and a nozzle (20) centrally arranged within the upstream end of valve body (10), a fluid channel (90) is defined by the outer face of the nozzle (20) and the inner face of the valve body (10). A guide bush (60) is mounted on a nozzle axial extension (26) and an annular disc (30) comprising a disc sealing ring (31) connected to a central barrel (32,33) by a plurality of webs (34) is mounted on the guide bush (60) for axial movement of the annular disc (30) relative to the valve body to open and close the fluid channel (90). A spacer (80) is arranged on the nozzle axial extension (26) downstream of the guide bush (60) and a diffuser (40) is arranged on the downstream side of the spacer (80). A spring (50) between the annular disc (30) and the diffuser (40) urges the disc towards the valve closed position.

Abstract: A female coupling device includes: a main body, and a clip member coupled to the main body, the clip member having a plurality of arms extending perpendicularly therefrom, with the plurality of arms forming at least one pair of arms, with the pair of arms including a first distance therebetween and a second distance therebetween, with the first distance being sized to engage a clip groove of a mating male coupling device, and with the second distance being sized to disengage the mating male coupling device. In a locked position, the pair of arms is positioned so that the first distance is adjacent to the mating male coupling device. In an unlocked position, the pair of arms is positioned so that the second distance is adjacent to the mating male coupling device.

Abstract: A pneumatic controller includes a manifold, a selector, and a biasing member. The manifold has a low pressure port, a high pressure port, an actuator port, and a vent. The selector is movable within the manifold between a first position and a second position, the low pressure port in fluid communication with the actuator port in the first position, the high pressure port in fluid communication with the actuator port in the second position. The biasing member is supported within the manifold and urges the selector towards the first position, wherein the low pressure port is in fluid communication with the vent in both the first position and the second position to cool the biasing member with low pressure fluid received at the low pressure port. Inline valves, gas turbine engines, and methods of controlling fluid flow through inline valves are also described.

Abstract: A pneumatic controller for an inline valve includes a manifold with a set screw seated within it, a selector, and a biasing member. The manifold has a low pressure port, a high pressure port, and an actuator port. The selector is movable within the manifold between a first position and a second position, the low pressure port in fluid communication with the actuator port in the first position, the high pressure port in fluid communication with the actuator port in the second position. The biasing member urges the selector towards the first position with a biasing force and is spaced apart from the selector to limit eccentric force exerted on the selector. Inline valves and methods of controlling fluid flow through inline valves are also described.

Abstract: An inline valve includes a valve body, a valve member, and a control manifold. The valve body has an exterior, an inlet, and an outlet. The valve member is supported within the valve body and is movable between a first position and a second position. The inlet in fluid communication with the outlet while the valve member is in the first position and the inlet fluidly separated from the outlet while the valve member is in the second position. The control manifold is supported by the valve body, has a reference fluid port and a control fluid port, and is in pneumatic communication with the valve member through the valve body exterior to passive movement of the valve member according to pressure at the valve body inlet. Gas turbine engines and methods of controlling valves are described.

Abstract: A controller for an inline valve includes a manifold seating a set screw and has a reference fluid port, a control fluid port, and an actuator fluid port. A selector is movable within the manifold between a first position and a second position, the reference fluid port in fluid communication with the actuator fluid port in the first position, the control fluid port in fluid communication with the actuator fluid port in the second position. A biasing member is arranged between the selector and the set screw and urges the selector towards the first position. The set screw extends through an exterior of the manifold for adjustment of differential in pressures at the reference fluid port and the control fluid port responsive to which the selector moves between the first position and the second position. Inline valves and methods of controlling fluid flow through inline valves are also described.

Abstract: An apparatus, method and system for providing and dispensing various hand care alternatives from a common point of dispension, such as a faucet, for standardizing the hand care, washing, sanitizing, and drying process is disclosed. Included is a liquid flow path having an inlet in fluid communication with a liquid source and an outlet in fluid communication with a user reception point. A secondary flow path has an inlet in communication with one or more hand care alternatives and an outlet in communication with the user reception point. A user-perceivable output provides notification of the hand care operation being provided at the user reception point.

Abstract: The present invention provides an adjustable flow regulator for a water mixer that, when in use, is disposed in a fluid path between a mixer cartridge and a mixer outlet of the water mixer, the adjustable flow regulator comprises a regulator body having a fluid inlet in fluid communication with the mixer cartridge to receive mixed water therefrom, and a fluid outlet in fluid communication with the mixer outlet. The regulator body further comprises a control element moveable within the regulator body, wherein the control element is moveable to adjustably restrict the fluid path and thereby flow of mixed water exiting the outlet.

Abstract: A valve device includes a metal valve body defining a water passageway between an inlet and an outlet of the body. A valve seat of a different material than the valve body is insert-cast molded integral with the valve body. The configuration of the valve seat and the mass of the valve body surrounding the seat being sufficiently large reduces a chilling effect during molding such that a pressure-tight and waterproof interface is formed between adjacent surfaces of the valve body and the valve seat.

Abstract: A valve assembly for a fracturing pump includes a valve seat having a bore extending therethrough, the valve seat including a strike face at a top region opposite a bottom region, at least a portion of the strike face formed by an insert positioned within a groove formed in the valve body. The valve assembly also includes a bore liner arranged within the bore, at least a portion of an axial length of the bore liner covering at least a portion of the ceramic to form a barrier between the insert and the bore. The valve assembly further includes a valve member positioned to reciprocate within the bore, the valve member moving between an open position and a closed position, wherein at least a portion of the valve member engages at least a portion of the strike face in the closed position.

Abstract: Provided is a check valve installed in a bore of a modulator block having an inlet path and an outlet path to control a flow of oil in one direction, the check valve including: a valve housing provided with a path hole passing through at a central portion thereof to have an upper end and a lower end thereof open to communicate with the inlet path and the outlet path, and a flange portion protruding from a circumference of an outer surface of the valve housing such that the valve housing is fixed to the bore; a spring retainer coupled to one of the open upper and lower ends of the valve housing which is adjacent to the outlet path, and having an outlet port communicating with the outlet path; a plunger movably installed in the path hole while being elastically supported by a spring supported on the spring retainer, and configured to open or close the path hole according to an up and down movement of the plunger; and a lip seal having a lip portion interposed between the plunger and the valve housing to prevent

Abstract: Provided are internal waterway assemblies for faucets comprising a valve assembly comprising a valve water way portion, a bridge comprising a passageway therethrough in fluid communication with the valve water way portion and the bridge having a spout receiving portion having a passageway therethrough; and a spout tube configured to be positioned in the spout receiving portion of the bridge. The spout tube is in fluid communication with the passageway of the bridge and configured to deliver water out of the faucet. Internal water way assemblies are configured to couple to any one of a plurality of cover plates for a faucet, the bridge is configured to be assembled to the valve assembly in any one of a plurality of fixed angular orientations to position the spout tube to fit within an interior space of one of the any one of a plurality of cover plates.

Abstract: Disclosed is a method of applying a biasing force against a piston in a valve as the piston moves along a piston stroke axis in a first direction and an opposing second direction, the piston having a first axial end that is a distal end of the piston, the method including: moving the piston along a piston stroke axis in the first direction and the opposing second direction, wherein while moving the piston along the piston stroke axis: applying a first biasing force in the second direction against the first axial end of the piston from a first spring, and applying a second biasing force in the second direction against the first spring from a second spring.

Abstract: A check valve (10) for reception in a fluid passage (5) comprises a valve seat element (1), a valve body (2), and a sleeve (3) wherein the valve body (2) is moveable in such a manner in the sleeve (3), that it rests in a first position on the valve seat element (1) and it is arranged a distance with respect to the valve seat element (1) in a second position. The valve seat element (1) contains an opening (11) which can be closed by the valve body (2) in the first position. A spring element (4) is arranged between the valve body (2) and the sleeve (3). The spring element comprises a first end (41) and a second end (42), wherein the valve body (2) is retained by the spring element (4) in the first position as long as the fluid pressure present in the opening (11) is smaller than the closing force of the spring element,(4), wherein the first end (41) of the spring element (4) is connected to the valve body (2).

Abstract: A float valve assembly includes a cylindrical housing defining an inner flow path and a check valve is positioned within the housing and movable between an open position, where uphole and downhole fluid flow through the inner flow path is allowed, and a closed position, where uphole fluid flow is prevented while downhole fluid flow is allowed. An activation member is movably positioned within the housing between a first position, where the activation member holds the check valve in the open position, and a second position, where the activation member moves axially and out of engagement with the check valve. A drag body is coupled to the activation member and fluid flow in the downhole direction generates a drag force on the drag body that places an axial force on the activation member to move the activation member to the second position.

Abstract: A valve closure for a piston compressor valve including: a valve seat having a plurality of passage openings, a shaft having an axis of rotation (D), and a rotatable closing element connected to the shaft for opening and closing the passage openings, the valve seat having a flat end face, to which the passage openings lead and a center (Z): the passage openings extending radially to the center (Z); and the closing element having a center point (M) and a plurality of closing arms extending radially to the center point (M). The shaft can be rotated about the axis of rotation and can be slid in the extension direction of the axis of rotation extending perpendicularly to the end face and through the center (Z); each closing arm having a sealing surface substantially complementary to the passage openings in accordance with the rotation of the closing element.

Abstract: A piston compressor valve including a valve seat having a plurality of through openings including a closing element which is rotatable about an axis of rotation (D) for opening and closing the through openings and having an actuating drive for rotating the closing element, wherein the valve seat has an end face into which the through openings lead, wherein the closing element is movably connected to the actuating drive in the running direction of the axis of rotation (D), such that the closing element is both rotatable about the axis of rotation (D) and also movable in the running direction of the axis of rotation (D) relative to the end face, and having a sensor for detecting a condition variable (E) of the piston compressor valve, and having a control device which activates the actuating drive as a function of the condition variable (E).

Abstract: A check valve assembly is configured to couple to a first container that retains a first fluid and a second container that retains a second fluid. The check valve includes a fluid inlet housing including a first fluid inlet port defining a first fluid inlet channel, and a second fluid inlet port defining a second fluid inlet channel. A fluid outlet housing is coupled to the fluid inlet housing. The fluid outlet housing includes a fluid outlet port defining a fluid outlet channel. A first diaphragm is seated over the first fluid inlet channel. At least a portion of the first diaphragm is configured to unseat over the first fluid inlet channel to allow the first fluid to pass from the first fluid inlet channel into the fluid outlet channel. A second diaphragm is seated over the second fluid inlet channel. At least a portion of the second diaphragm is configured to unseat over the first fluid inlet channel to allow the second fluid to pass from the second fluid inlet channel into the fluid outlet channel.

Abstract: A sensor-operated pull-out faucet can include a spout having a hose disposed therein, a pull-out spray head fluidly coupled to the hose and configured to dock at an end of the spout, and a sensor assembly disposed at least partially in the spout proximate the end of the spout. The sensor assembly can include a sensor and a shutter disposed adjacent the sensor. The shutter can be operable to obscure the sensor in a closed state and expose the sensor in an open state. The faucet can also include a control unit communicatively coupled to the sensor and configured to control fluid flow through the hose and the pull-out spray head based on control signals generated by the sensor.

Abstract: A bypass plunger includes a unibody, or one-piece hollow body and valve cage, retains a dart valve within the valve cage portion using a threaded retaining nut secured by crimple detents, and includes sealable flow parts. A series of helical grooves surround the central portion of the outer surface of the hollow body of the plunger to control spin during descent. A canted-coil-spring disposed within the retaining nut functions as a clutch. The valve cage includes ports that may be configured to control flow through the plunger during descent. Other embodiments include clutch assemblies using canted-coil springs with split bobbins, and surfaced valve stems surfaced.