Abstract: An adjustable Venturi tube is provided and includes a water outlet segment and a water inlet segment. The water outlet segment has a gas inlet space therein and includes a chamber, a water flow selector disposed on the chamber, and a gas inlet pipe. The chamber has a gas inlet opening and a plurality of liquid-gas exits, which are in spatial communication with the gas inlet space. The water flow selector has a plurality of selective channels respectively facing the liquid-gas exits. The water outlet segment has a space and a water channel that is in spatial communication with the space. The water inlet segment and the water flow selector are configured to be moved relative to each other so as to allow the space to selectively be in spatial communication with at least one of the selective channels through the water channel.

Abstract: A solenoid valve assembly with a manual override is provided that includes a solenoid valve housing that is supportive of a valve seat, a plunger-type armature valve element fluidly communicative with a fluid source and initially pressure balanced to remain in a closed position relative to the valve seat and an electromagnet configured to generate a magnetic flux to move the plunger-type armature-valve element into an open position relative to the valve seat. The solenoid valve assembly with a manual override also includes a manual actuation assembly configured to generate an applied force to move the plunger-type armature valve element into the open position relative to the valve seat.

Abstract: A high pressure valve includes a lever and a variable force generator for facilitating control of opening and closing the valve at high pressures. The high pressure valve includes a housing having a chamber providing fluid communication between a first port and a second port, a pin movable within the chamber between an open position and a closed position. A first end of a lever is coupled to the pin and a second end of the lever is coupled to a variable force generator. The lever pivots about a pivot point. A controller coupled to the variable force generator is configured to adjust a force applied to the second end of the lever by the variable force generator to control the movement of the pin between the open position and the closed position.

Abstract: To suppress variation, among rotors, in a relative position between the position of magnetic poles of a magnet and the rotation position (for example, the position of teeth of a pinion) of an integral rotation unit configured to rotate integrally with the rotor main body. A motor includes: a rotor including a magnet fixed to an outer periphery of a rotor main body, and an integral rotation unit assembled to the rotor main body; and a spindle configured to rotatably support the rotor. The magnet includes a positioning marker used when the rotor main body is fixed to the magnet, and the integral rotation unit and the rotor main body are configured to be capable of being assembled in a set relative arrangement.

Abstract: The present invention relates to a failsafe valve actuator (10) comprising a drive mechanism (12), a drive shaft (42) having a clutch (50) arranged adjacent to a threaded portion (44) of the drive shaft (42), and a clutch actuator (52) coupled to the clutch (50) and arranged to move the clutch (50) between an engaged position in which the clutch (50) engages with the threaded portion (44) of the drive shaft (42) and a disengaged position in which the clutch (50) is disengaged from the drive shaft (42). In response to energisation of the clutch actuator (52) the clutch (50) is moved to the engaged position such that threaded engagement between the drive shaft (42) and clutch (50) transfers rotational movement of the drive shaft (42) by the drive mechanism (12) into axial movement of the drive shaft (42) and holds the drive shaft (42) against a drive shaft bias member when the drive mechanism is inactive.

Abstract: Provided is a flow rate adjustment valve of a motor-operated valve type, which overcomes the problems that flow rate adjustment valves of a manual valve type have, while making full use of compactness the manual valves have. The flow rate adjustment valve includes a rotation device that rotates a rotation member to cause a vertically movable body to move vertically. The rotation device includes: a driven gear disposed at an upper end portion of the rotation member; and a motor that rotates a driving gear engaged with the driven gear. The motor, which is a stepping servo motor, is disposed below the driving gear and has a rotary shaft extending upward. The driving gear is fixed to an upper end portion of the rotary shaft.

Abstract: A fluid control valve includes a cover portion and a body portion. Inner surfaces of the cover and the body portion define a chamber that includes an inlet and an outlet in communication with the chamber. The fluid control valve also includes a diaphragm disposed between the cover portion and the body portion. The diaphragm has a flexible member that is disposed within the chamber for controlling communication between the inlet and the outlet. The upper surface of the flexible member has a substantially smooth wall portion. The flexible member has an inverted position in which the upper surface conforms to at least a portion of the inner surface of the cover portion to define a passageway that permits communication between the inlet and the outlet.

Abstract: An electric ball valve and a manufacturing method therefor. The electric ball valve comprises a control component, a gear decelerating mechanism, a valve body component, and a housing component, wherein the control component comprises a cover and a rotator component provided in the cover, the housing component comprises an upper housing part and a lower housing part, the cover, the upper housing part and the lower housing part are made out of a stainless steel material by machining, the cover is fixed to the upper housing part by welding, the upper housing part is fixed to the lower housing part by welding, and the lower housing part is fixed to a valve body by welding.

Abstract: Provided is a high-pressure fuel supply pump and a method of manufacturing thereof which can suppress the progress of corrosion and cavitation erosion even when the pressure becomes higher, or when biofuel or a fuel having a high oil content of biofuel is used. Therefore, the high-pressure fuel supply pump includes a discharge valve 51b that discharges fuel, and a discharge valve seat 51a on which the discharge valve 51b is seated. The base material of the discharge valve 51b and the discharge valve seat 51a is a steel material. On the surface of the discharge valve 51b, a Co-based alloy layer 70b and a Cr-enriched portion 70b1 having a higher Cr concentration than the surrounding Co-based alloy layer 70b are formed. The Co-based alloy layer 70a is formed on the surface of the discharge valve seat 51a.

Abstract: A magnetically actuated fluid control valve has an internal flooding chamber, an internal piston chamber and a fluid inlet and outlet. The fluid inlet and outlet are in fluid communication with the flooding chamber. A piston is movable within the piston chamber and the flooding chamber. The piston is movable to a closed position wherein fluid cannot flow through the valve, and an open position wherein fluid can flow through the valve. The valve body and piston are fitted with electromechanical and permanent magnets, respectively. Selective electrical excitation of the electromechanical magnets on the valve body cause them to attract or repel the permanent magnets on the piston, causing the piston to move to either the open or closed position.

Abstract: A pressure reducing valve includes a valve housing, plunger, pressure sensing cavity, and biasing member. The valve housing includes a valve inlet and valve outlet in selective fluid communication with each other. The plunger is in the valve housing and movable between a closed position and open position. The plunger is positioned downstream from the valve inlet and upstream from the valve outlet. The plunger includes a venturi and a channel. The venturi is within the plunger and has a venturi inlet and venturi outlet. The channel is within the plunger and is in fluid communication with the venturi. The pressure sensing cavity is in fluid communication with the channel. The biasing member exerts a biasing force on the plunger toward the open position. The channel is in fluid communication with the pressure sensing cavity to provide a fluid pressure that is lower than the outlet pressure during flow.

Abstract: There is provided a valve drive device including: a base including a fluid inlet, a fluid outlet, and a valve seat surface, at least one of the fluid inlet and the fluid outlet being opened at the valve seat surface; a cover configured to define a valve chamber; a valve element configured to open and close any one of the fluid inlet and the fluid outlet in the valve chamber; and a valve element driver configured to drive and rotate the valve element. The valve element driver includes: a motor; a drive gear configured to rotate together with a rotor of the motor; a driven gear configured to rotate, in a state of meshing with the drive gear, the valve element by rotation of the drive gear; and a power transmission switching unit.

Abstract: A valve device that greatly reduces man-hours for flow adjustment includes a valve body that defines a flow path, a valve element provided so as to be capable of opening and closing the flow path of the valve body, an operation member that operates the valve element and is moveably provided between a closed position where the valve element closes the flow path and an open position where the valve element opens the flow path, set in advance, in opening and closing directions that allow the valve element to open and close the flow path, a main actuator that moves the operation member in the opening direction, and a piezoelectric actuator for adjusting a position of the operation member positioned in the open position.

Abstract: The invention relates to a method for producing an electromagnetic valve assembly (10), a planar metal sheet (12), which has through-slots (16) extending parallel to a longitudinal axis (14) of the sheet, and a disc (18), which has disc projections (22) that are complementary in shape to the through-slots (16), being provided, the disc projections (22) being engaged with the through-slots (16), and a coil housing (38) then being formed by the planar metal sheet (12) being shaped by non-overlapping roller-deforming along the longitudinal axis (14) of the sheet, around a circumference (20) of the disc (18). The invention further relates to an electromagnetic valve assembly (10) which has been produced in particular by means of such a method.

Abstract: A faucet assembly including a handle that rotates about a rotational axis extending perpendicular to an angled interface for adjusting a first water parameter. A dial is supported for rotation independent of the handle for adjusting a second water parameter.

Abstract: A diaphragm valve having a movable diaphragm (20) configured as a closure element has a valve housing (6) and an actuator (8), the diaphragm (20) being clamped between a flange (18) of the valve housing and a base (10) of the actuator (8) and being provided with a first identification means (32) in which data which are adapted to be read out wirelessly are stored. A further identification means (50, 56) is also fastened to the flange (18) and/or the base (10). The read-out surfaces of the further identification means (50, 56) are substantially at right angles to the read-out surface of the identification means (32) on the diaphragm (20).

Abstract: A transmitter flange includes a flange body having a valve opening therein, the valve opening having a valve seat, and an internal valve configured to be retained in the valve opening. A retaining ring may be configured to thread into the valve opening to further retain the internal valve within the opening.

Abstract: The invention relates to an electromagnetic hinged armature valve device with armature means (14) which are configured for interaction with a stationary valve seat (22), are articulated such that they can be pivoted and/or folded in a housing of the valve device relative to stationary core means (16) and coil means (12) which surround them at least in sections, and which armature means (14) are configured to close or open the valve seat as a reaction to an energization of the coil means, wherein a coil carrier assembly (10) which supports a winding of the coil means and encloses the core means and a valve seat assembly (24) which configures the valve seat are configured in such a way that both can be adjusted with respect to one another for assembly of the valve seat device and can then preferably be connected non-releasably to one another, and, in a connected state or assembled state, limit and/or define a pivoting or folding stroke of the armature means which configure at least one flat side, which pivoting

Abstract: A valve for free-flowing media, such as a glue valve, with a valve housing, and with a closure member, such as a valve tappet, which is movable in the valve housing by means of an electromagnet and which bears with a closure piece on a valve seat in the closed position of the valve and which sits at least partially in a continuous interior of a one-piece coil carrier on which the windings of a coil of the electromagnet are wound, and having two terminal receivers for a dosing unit and a valve lift adjustment unit with an elongate abutment part which is arranged at least in part in the interior of the coil carrier and which limits a movement of the closure member in the direction of the valve lift adjustment unit, with the valve lift adjustment unit being is secured on the coil carrier.

Abstract: A solenoid valve includes a solenoid including a guide, a mover that moves in an axial direction radially inside the guide, a yoke made of a magnetic material and disposed on one axial side of the mover, a magnet on one axial side of the yoke, an elastic body that applies an elastic force to the mover in the direction away from the magnet, a cover made of a magnetic material, a pin which moves as the mover moves, and a valve that is opened and closed as the mover and the pin move. The cover includes a cylinder surrounding the radial outside of the solenoid, a first wall on the other axial side of the solenoid, and a second wall that covers one axial side of the magnet.