Abstract: Disclosed herein are new sprinkler sleeve assemblies, and methods of use, configured to be placed around underground sprinkler heads to create a barrier between the sprinkler head and the surrounding soil. More specifically, the sprinkler sleeve assemblies comprise a top unit and a bottom unit, wherein the top unit comprises a vertical channel configured to surround the sprinkler head; and the bottom unit is configured to receive the top unit and can comprise one or more passageways that allow irrigation tubing to pass through.

Abstract: A nozzle for dispensing a fluid having a barrel having a proximal end and a distal end, the barrel having a passage defined by a first internal surface extending between the distal end and the proximal end, and an orifice defined by a second internal surface at the distal end of the barrel, a stem located at least partially in the barrel, the barrel is movable in relation to the stem to switch between a low pressure mode and a high pressure mode, a shaper located around an outer surface of the distal end of the barrel, the shaper being movable in relation to the barrel to switch between a low pressure fog mode and a low pressure stream mode. The nozzle is configured to dispense the fluid in a straight stream or fog in both the low pressure mode and the ultra-high pressure mode. The orifice is also configured to provide flushing capability for the ultra-high pressure mode while operating in the low pressure mode.

Abstract: An electrostatic sprayer includes a spray gun having a nozzle at which pressurized spray media and pressurized air are combined into an atomized mixture. A generator electrostatically charges the atomized mixture at the nozzle. The generator may also electrostatically charge the pressurized spray media, or the pressurized air, or both at the nozzle. An input device of the spray gun is actuable by a user to vary a flow of the pressurized spray media to the nozzle. A main unit is connected to the spray gun with a hose via which the pressurized spray media and the pressurized air are communicated to the spray gun. The main unit has a first power mode in which a battery powers component(s) of the electrostatic sprayer. The main unit also has a second power mode in which a power source spaced apart from the main unit powers the component(s) of the electrostatic sprayer.

Abstract: A fuel injector includes a housing extending along an injector axis. A pintle has an axially extending pintle shaft and a radially projecting annular collar with a collar surface, the pintle being axially moveable between an open position and a closed position. An armature is axially guided in the housing between a proximal position and a distal position, the armature having an axial through-hole in which the pintle shaft is guided and an armature surface which engages the collar surface, thereby moving the pintle into the open position when the armature moves to the proximal position. A first resilient member biases the pintle in the distal direction and a second resilient member biases the armature in the distal direction. The armature surface and the collar surface are slanted with respect to the injector axis and one of the armature surface and the collar surface is convex curved.

Abstract: An assembly for delivering a fluid includes a fluid dispenser connected to a fluid supply conduit. The fluid dispenser includes a fluid outlet positioned along a length of the fluid dispenser. The fluid outlet is configured to deliver the fluid from the fluid supply conduit at a flow rate that varies along the length of the fluid dispenser.

Abstract: A spray nozzle has a nozzle portion at an outlet or downstream end that includes a nozzle body defining an opening therethrough, and a movable stem or pintle at least partially within the opening of the nozzle body. The stem and nozzle body define a gap therebetween to define a fluid passageway for fluid in the nozzle to flow through the nozzle portion and out of the nozzle throughout a range of relative movement between the stem and the nozzle body. The relative movement and the size of the gap may be controllable independently of fluid pressure of fluid within the nozzle. The nozzle body and the stem may define geometries so that the flow area between the stem and the nozzle body does not increase, and may decrease, in the downstream direction. The axis of the spray may be at an angle to the nozzle.

Abstract: The telescopic washing device comprises first and second telescopic members operable along a first linear path between retracted extended positions parallel to telescopic member longitudinal axis Z; a wiper element coupled to the second telescopic member such that the wiper element is movable according to a second path lying on a plane XY perpendicular to the longitudinal axis Z; a second guiding area associated with first telescopic member or wiper element and according to second path; and a guiding element associated with the other of the first telescopic member or the wiper element to slide to the second guiding area as the first and second telescopic members move to each other. As pressurized fluid is supplied to the first telescopic member, the wiper element is at least rotated according to the second path.

Abstract: A two-stage gasification reactor may include a reactor lower section and a reactor upper section. The reactor lower section may include (a) a lower reactor body, (b) two primary feed nozzles, configured to introduce at least one of a dry feedstock or a first slurried feedstock and located on opposing terminal ends of the lower reactor body, and (c) at least two secondary feed nozzles, configured to introduce a liquid hydrocarbon feedstock, located on the lower reactor body. The reactor upper section may include (a) an upper reactor body, (b) at least one upper feed nozzle, configured to introduce at least one of a dry feedstock or a first slurried feedstock, located on the upper reactor body, and (c) an outlet.

Abstract: A water dispensing apparatus includes a main body having an inlet channel, an outlet channel and a throughpath provided therebetween, a pivot valve mounted pivotally through the throughpath, which includes a water sealing portion and a water passing portion opposite to each other, and a first sheltering member and a second sheltering member coupled respectively at two sides of the main body, and an actuation member extended operatively between the first sheltering member and the second sheltering member of the pivot valve.

Abstract: A spray gun is presented. The spray gun includes a fluid applicator configured to receive a pressurized liquid through an inlet and disperse the pressurize liquid through an outlet. The fluid applicator includes a body defining a fluid path. The fluid applicator includes a valve assembly with a first end portion opposite of a second end portion configured to be movable between a first position and a second position. The second end portion is configured to be in fluidic contact with the pressurized liquid at the first position. Both the first end portion and the second end portion are configured to be in fluidic contact with the pressurized liquid at the second position. The first end portion includes a portion of a blocking member configured to contact a seat within the body. The second end portion includes a distal portion of a guide.

Abstract: A water delivery device is described which includes an outlet pipe through which water is ejected to provide a water display. A disk is positioned relative to the outlet pipe. The relative positions of the disk and outlet pipe are moved so that the disk is located within the outlet pipe or above it to alter the appearance of the water leaving the outlet pipe. As the relative position of the disk and outlet pipe varies, a sequence of water expressions is provided.

Abstract: A spray head includes a main body, a central shaft, a securing ring, a spout and a knob. The main body has a handle and a chamber, the chamber provided with a connecting opening allowing the central shaft to be inserted thereof. A disk body is disposed between the connecting section and the sleeve, the central shaft entering into the main body through the connecting opening, and the sleeve inserted into the chamber and engaging with the stepped edge such that the connecting section extends out of the chamber. The spout is provided with an outer shell and an inner tube. The knob has a stopper, and an end of the stopper has a screw, the screw of the knob inserted from the cone of the spout and engaging with the threaded aperture of the inner tube of the central shaft.

Abstract: A sleeve assembly is disclosed, including: a sealing rubber plug, a sleeve body, a locking nuts, and a fastening wrench. The sealing rubber plug includes a rubber plug body, a through hole is disposed in the rubber plug body, and a cable that needs to be inserted into a device can be inserted into the through hole. The sleeve body has two opposite ends, a sealing ring is disposed on one end of the sleeve body, and a hollow bolt head is disposed on the other end of the sleeve body. The sleeve assembly can implement a cable protection function when the device requires high-density cable routing. Surface space of the device is not occupied during cable mounting, and mounting efficiency is high.

Abstract: A water injector assembly includes an injector body having a substantially hollow interior. The injector body defines an inlet opening defined within an outer radial surface of the injector body at a first axial location along the injector body. The injector body defines a flowpath opening in fluid communication with the inlet opening such that the flowpath opening is configured to receive the fluid from the inlet opening. The injector body defines an outlet opening defined within the injector body at a second axial location along the injector body. The outlet opening is in fluid communication with the flowpath opening, such that the outlet opening receives the fluid from the flowpath opening. The second axial location of the outlet opening is different than the first axial location of the inlet opening.

Abstract: A spray generator (10) including: a membrane (40) having a perforate portion through which, in use, a fluid is caused to flow when the membrane (40) is vibrated; an electronically-driven or a piezoelectrically driven actuator for vibrating the membrane (40); a chamber (18) for storing fluid for supply to a surface of the membrane (40); and a sealing element (13) located in and movable within the chamber (18) between a first position in which fluid flow from the chamber (18) through the membrane (40) is prevented and a second position in which fluid flow from the chamber (18) through the membrane (40) is allowed.

Abstract: An improved rotary disc atomizer for use in, for example, spray dryers or congealers is disclosed. The rotary disc may be directly mounted to the shaft of a high-speed electrical motor. The high-speed electrical motor comprises a permanent magnet rotor and electro-magnetic bearings. The electro-magnetic bearings may be supported by one or more upper/lower bearing housings and used to enable frictionless support of the shaft/rotor and rotary disc. The atomizer system may further comprise a gas distributor enabled to dynamically adjust the velocity at which the gas leaves the radial vanes and meets with the atomized droplets.

Abstract: A variable arc sprinkler head or nozzle may be set to numerous positions to adjust the arcuate span of the sprinkler. The sprinkler head includes an arc adjustment valve having two portions that helically engage each other to define an opening that may be adjusted at the top of the sprinkler to a desired arcuate length. The arcuate length may be adjusted by pressing down and rotating a deflector to directly actuate the valve. The sprinkler head may include a lock-out feature to prevent adjustment. A method of irrigation is also provided involving moving the deflector between an arc adjustment position and an operational, irrigation position. The sprinkler head may also include a flow rate adjustment valve that may be adjusted by actuation of an outer wall of the sprinkler. Rotation of the outer wall causes a flow control member to move axially to or away from an inlet.

Abstract: A spray head for a fluid distribution system that includes a spray head base defining a fluid inlet passage connected to a spray head body, a pair of deflectors extending outwardly from the base and the body, respectively, defining a fluid outlet passage, a piston disposed in a chamber of the body defining a variable orifice between the inlet and outlet, and a deflector plate positioned on an inner surface of the deflector of the base having a deflector plate surface opposing the variable orifice.

Abstract: An adjustable sprayer comprising a fitting that includes a connector portion, an elongate cylindrical portion extending from the connector portion, and a bore formed longitudinally through the fitting. The sprayer includes a nozzle having a sleeve portion configured to receive the fitting's cylindrical portion whereby the nozzle is moveable, longitudinally, along the cylindrical portion between first and second spray positions. The nozzle includes a primary outlet and at least one secondary outlet radially spaced from the primary outlet. The cylindrical portion is in fluid communication with only the primary outlet when the nozzle is in the first spray position, and the cylindrical portion is in fluid communication with both the primary and secondary outlets when the nozzle is in the second spray position.

Abstract: A shower head includes a shell, a positioning base, a plurality of water spraying heads, a plastic piece, a metal cover and a handle set. The positioning base has a flat board and a hanging base having an elongated hole at center thereof, and a plurality of hanging slots are circularly disposed at the periphery of the flat board. The water spraying head engages with several hanging slots so as to evenly circularly dispose at the flat board. The plastic piece is formed by injection molding and a through hole is formed at center thereof. The metal cover is made by copper, surface of which has a plurality of cover through holes. The handle set has a control unit, and a connecting rod eccentrically protrudes out from one end of the control unit, and the other end is provided for a nut to lock and engage with a movable handle.

Abstract: A fuel injector has a valve needle that has a maximum diameter at a flow-off edge, and a valve seat acting together with the valve needle using a sealing seat, the valve seat widening, starting from the sealing seat up to a discharge edge, and the flow-off edge of the valve needle being offset backwards, in relation to the flow direction, with respect to the discharge edge of the valve seat, when the fuel injector is closed. The flow-off edge of the valve needle is offset backwards with respect to the discharge edge of the valve seat in a predetermined range of 2 micrometers to 20 micrometers, in the direction of a longitudinal valve axis.

Abstract: A variable arc sprinkler head or nozzle may be set to numerous positions to adjust the arcuate span of the sprinkler. The sprinkler head includes an arc adjustment valve having two portions that helically engage each other to define an opening that may be adjusted at the top of the sprinkler to a desired arcuate length. The arcuate length may be adjusted by pressing down and rotating a deflector to directly actuate the valve. The sprinkler head may include a lock-out feature to prevent adjustment. A method of irrigation is also provided involving moving the deflector between an arc adjustment position and an operational, irrigation position. The sprinkler head may also include a flow rate adjustment valve that may be adjusted by actuation of an outer wall of the sprinkler. Rotation of the outer wall causes a flow control member to move axially to or away from an inlet.

Abstract: A variable arc sprinkler head or nozzle may be set to numerous positions to adjust the arcuate span of the sprinkler. The sprinkler head includes an arc adjustment valve having two portions that helically engage each other to define an opening that may be adjusted at the top of the sprinkler to a desired arcuate length. The arcuate length may be adjusted by pressing down and rotating a deflector to directly actuate the valve without the need for a hand tool. A method of irrigation is also provided involving moving the deflector between an arc adjustment position and an operational, irrigation position. The sprinkler head may also include a flow rate adjustment valve that may be adjusted by actuation or rotation of an outer wall portion of the sprinkler. Rotation of the outer wall portion causes a flow control member to move axially to or away from an inlet.

Abstract: A variable arc sprinkler nozzle is provided for distribution of water through nearly any adjustable arcuate span. The nozzle includes one or more arcuate slots formed by the helical engagement of spiral surfaces of a deflector and a nozzle body. A user may rotate a portion of the nozzle body to select the arcuate span of the one or more slots. A matched precipitation rate feature is adjustable to proportion the amount of water directed to the deflector depending on the extent of the arcuate span. Further, edge fins on the deflector and nozzle body channel water flow at the two edges of the distribution arc to increase the throw radius and to provide fairly uniform water distribution at the edges of the arc.

Abstract: The rotating sprinkler head valve includes an upper assembly with a stationary rigid cone received in a conical interior chamber of a rotor, and a cylindrical shaft extending through the stationary rigid cone and rotor. A lower assembly includes a bottom helix member, a strainer adapter having an internal transverse slotted plate and a rotatable slotted flow plate to permit flow when the flow plate slots are aligned with slots in the internal transverse slotted plate. A base top member includes a downwardly extending inner tubular portion and a lower interior edge surface with a helical lower surface forming an adjustable helical aperture in cooperation with the bottom helix member, and a recessed inner helical lip is configured to receive the upper helical surface of the bottom helix member for adjusting a helical aperture.

Abstract: A nozzle assembly includes a nozzle body with an inlet, an outlet, and a passageway extending from the inlet to the outlet, and with the passageway having a flow area and a fixed diameter at the outlet. A lever is supported at the nozzle body, and the nozzle assembly further includes an actuator, which is supported by the nozzle body and configured for varying the cross-section of the flow area through the outlet in response to the lever being moved relative to the nozzle body.

Abstract: A dryer nozzle for a drying unit in a vehicle wash system includes a nozzle portion for emitting high velocity air to an exterior surface of a vehicle passing thereunder. The nozzle portion has an inner nozzle section and an outer nozzle section. The inner nozzle section and the outer nozzle section being configured such that they can be positioned one inside the other during operation. At least one of the inner nozzle section or the outer nozzle section can be extended and retracted as directed towards or away from the surface of the vehicle.

Abstract: A garden sprayer includes: comprises a main body, a spray head, a control valve set, a pressing handle and a fastening device. The fastening device is pivoted on the main body adjacent to the pressing handle. The fastening device has at least two brackets and a pressing rod connecting the two brackets. The pressing rod of the fastening device pushes against the third locking edge of the pressing handle to hold down the pressing handle for a constant water flow without the pressing handle needing to be pressed by the user. When the pressing handle is held down, the cover of the spray head can be rotated to adjust a gap between the spraying aperture of the cover and the head portion to adjust the water flow rate.

Abstract: A dispensing valve is provided for dispensing liquid from a cartridge. The valve includes a valve body that is adapted to receive at least a portion of the cartridge therein. A valve member is disposed in the valve body and is adapted for fluid communication with the cartridge. A valve seat element is disposed in the valve body and includes a liquid chamber that is in communication with the liquid outlet and is mounted for reciprocating movement between a closed position engaged with the valve member to prevent liquid from exiting the liquid outlet and an open position disengaged from the valve member to allow liquid to flow from the liquid chamber through the liquid outlet. The valve body may include a longitudinal axis and a receive bore extending along the longitudinal axis, with the liquid outlet being substantially co-axial with the receiving bore.

Abstract: A spray nozzle is designed for attachment to a water hose for watering lawns or gardens. The nozzle has a two-part construction with a main body and a tip member partially enclosing a portion of the main body. A stem of the main body carries a valve element, which is contoured to cooperate with the tip member and close an outlet opening of the nozzle. The tip member is threadably attached to the main body using quad-lead stem, such that a quarter turn of the tip member changes the flow pattern of the water flow from the nozzle from fully on to fully off.

Abstract: A water outlet for a low pressure sanitary outlet fitting has a perforated structure which is air-permeable counter to the water outlet direction and, in the unpressurized state, holds water in the outlet direction, and has a plurality of throughflow holes. At least one bypass is provided, which bypasses the perforated structure and has an opening cross section which is larger than the throughflow holes. A bypass valve is movable from a closed position into an open position counter to a resetting force as a consequence of an increase in pressure on the inflow side. If a hot water tank connected upstream of the water outlet fitting increasingly contracts as the heated water therein cools, air can nevertheless be sucked in via the perforated structure and the pressure can be equalized. If excessive pressures builds up with the heating of the water in the hot water tank, the bypass valve moves from a closed position into an open position counter to a resetting force.

Abstract: The present invention provides an adjustable body spray including an adjustable spray assembly and an adjustable mounting assembly that, alone or in combination, ensure proper alignment of components of the body spray and adequate sealing between the components.

Abstract: A variable arc sprinkler head or nozzle may be set to numerous positions to adjust the arcuate span of the sprinkler. The sprinkler head includes an arc adjustment valve having two portions that helically engage each other to define an opening that may be adjusted at the top of the sprinkler to a desired arcuate length. The arcuate length may be adjusted by pressing down and rotating a deflector to directly actuate the valve without the need for a hand tool. A method of irrigation is also provided involving moving the deflector between an arc adjustment position and an operational, irrigation position. The sprinkler head may also include a flow rate adjustment valve that may be adjusted by actuation or rotation of an outer wall portion of the sprinkler. Rotation of the outer wall portion causes a flow control member to move axially to or away from an inlet.

Abstract: The rotating sprinkler head valve includes an upper assembly with a stationary rigid cone received in a conical interior chamber of a rotor, and a cylindrical shaft extending through the stationary rigid cone and rotor. A lower assembly includes a bottom helix member, a strainer adapter having an internal transverse slotted plate and a rotatable slotted flow plate to permit flow when the flow plate slots are aligned with slots in the internal transverse slotted plate. A base top member includes a downwardly extending inner tubular portion and a lower interior edge surface with a helical lower surface forming an adjustable helical aperture in cooperation with the bottom helix member, and a recessed inner helical lip is configured to receive the upper helical surface of the bottom helix member for adjusting a helical aperture.

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet and a flow chamber having a smooth bore extending between the inlet and the outlet. An elastic water impervious material is in fluid communication with the inlet and is tapered and is able to expand due to its elasticity. An adjustable non-rusting member connected to the nozzle body expands or constricts to either increase or decrease the inner diameter of the nozzle body to adjust the flow rate through the nozzle.

Abstract: A spray nozzle assembly and hub combination for operation in a boiler feedwater deaerator is disclosed, the combination including a tubular hub capable of being affixed to a wall of a deaerator tank and a spray nozzle assembly that is removably engageable with the hub, the nozzle assembly including a nozzle body, a twist lock for retaining the nozzle body relative to the hub when the nozzle body is in a fully engaged position, and a spreader moveably coupled to the nozzle body and biased by a spreader spring against opening, the spreader is capable of moving to an open position against the spreader spring bias in response to boiler feedwater pressure to form an annular opening about the spreader, thereby enabling feedwater flow.

Abstract: Provided is a manual air-actuated spray paint apparatus and associated method for evenly disbursing paint in a controlled manner. Such an apparatus preferably includes a portable reservoir for holding the paint therein and a hand-actuated paint applicator removably coupled thereto. A mechanism for simultaneously discharging a single stream of paint and a volume of air may also be included. A discharge spout is removably mated to and in fluid communication with the paint applicator for mixing the single paint stream and the volume of air as they pass through the spout. A trigger is pivotally mated to the housing and is articulated between tensioned and released positions to activate the paint discharging mechanism. When the trigger is engaged, the paint is directed upwardly out of the reservoir and travels out the discharge spout to be applied to the surface intended to receive the paint.

Abstract: In accordance with certain embodiments, a system includes a spray device having a liquid pathway leading to a liquid exit, an air pathway leading to an air exit directed toward a spray region downstream of the liquid exit, and an assembly disposed in the liquid pathway adjacent the liquid exit. The assembly includes a threadless pintle generally fit into a sleeve in a concentric manner without threads. The assembly also includes a generally annular passage between the threadless pintle and the sleeve and a passage coupled with the generally annular passage. The generally annular passage also has a cross-sectional area that alternatingly increases and decreases in a lengthwise direction along the liquid pathway.

Abstract: An electrostatic spray charging nozzle designed for optimum charge level over a wide range of liquid and air flow rates. The electrostatic spray charging nozzle includes a nozzle cap having an outlet, a nozzle body having a first bore, and a fluid tip assembly extending at least partially through the first bore. The fluid tip assembly further includes a liquid inlet adapted to be connected to a source of liquid, and a liquid outlet adapted to dispense the liquid through the outlet of the nozzle body. The electrostatic spray charging nozzle further includes an adjustment mechanism operable to move the fluid tip assembly within the first bore so as to adjust a longitudinal distance between the liquid outlet of the fluid tip assembly and the outlet of the nozzle cap.

Abstract: A fluid injector has an actuator unit, a cartridge, which has a recess, which on one of its open ends forms an injection nozzle and takes in a needle. The needle has a first and a second part (15, 17). The first part (15) is inserted into the recess and closes or opens the injection nozzle depending on the position of the first part (15). The second part (17) is coupled to the actuator unit on one of its free ends and is coupled to the first part (15) via a coupling unit. The coupling unit is arranged in positive connection to the first part (15) and is joined to the second part. In that way the material for the first part may be chosen for being highly wear resistant. On the other hand the material of the second part (17) may be chosen for being well-suited for a joining process.

Abstract: In accordance with certain embodiments, a system includes a spray device having a liquid pathway leading to a liquid exit, an air pathway leading to an air exit directed toward a spray region downstream of the liquid exit, and an assembly disposed in the liquid pathway adjacent the liquid exit. The assembly includes a threadless pintle generally fit into a sleeve in a concentric manner without threads. The assembly also includes a generally annular passage between the threadless pintle and the sleeve and a passage coupled with the generally annular passage. The generally annular passage also has a cross-sectional area that alternatingly increases and decreases in a lengthwise direction along the liquid pathway.

Abstract: A discharge head for fluids, with a discharge nozzle (1) which has a discharge opening (2) and accommodates an internal sleeve (5) in which is arranged an internal body (4) which delimits an outlet channel (7) and has a connecting element (8) for connection to a counterpart (9) of a discharging apparatus, the internal sleeve (5) having, on the end side adjacent to the discharge opening (2), a sealing surface (10) against which a valve stopper (3) which is located on the internal body (4) and closes the outlet channel (7) is spring prestressed.

Abstract: A selectively automatic fire fighting nozzle a method of use including adjustable means (ST) of limiting a range of automatic adjustment (B) of a discharge orifice of the nozzle, providing an option of selecting a constant pressure for a first fraction of a discharge window and selecting a relatively constant flow for a second fraction.

Abstract: A water gun may comprise a body having a front surface, a nozzle mounted on and extending from the body, an actuator, at least one fluid reservoir, and a pump. The nozzle may have at least a nozzle portion adapted to move between an extended position spaced away from the front surface and a retracted position closer to the front surface than the extended position. The actuator may be adapted to be moved relative to the body, and mechanically coupled to the nozzle for moving the nozzle between the retracted and extended positions when the actuator is moved between first and second positions. The fluid reservoir may comprise first and second end portions and a generally uniform elongate intermediate portion extending between the first and second end portions, which may have volumes that are larger than the volume of the intermediate portion.

Abstract: A nozzle for the discharge of a flowable substances, for example adhesive or sealing compositions, having a discharge orifice with a variable geometry. The adjustable nozzle permits the user to select the optimal discharge profile suited to a particular application of the composition being discharged.

Abstract: The invention relates to an injection valve which has a piezo actuator that is functionally connected to a nozzle needle by a hydraulic transmission device. The hydraulic transmission device is connected to a pressure reservoir by a sealing gap so that the pressure differences between the pressure reservoir and a hydraulic chamber of the hydraulic transmission device are compensated in the long term.

Abstract: The rotating sprinkler head valve includes an upper assembly with a stationary rigid cone received in a conical interior chamber of a rotor, and a cylindrical shaft extending through the stationary rigid cone and rotor. A lower assembly includes a bottom helix member, a strainer adapter having an internal transverse slotted plate and a rotatable slotted flow plate to permit flow when the flow plate slots are aligned with slots in the internal transverse slotted plate. A base top member includes a downwardly extending inner tubular portion and a lower interior edge surface with a helical lower surface forming an adjustable helical aperture in cooperation with the bottom helix member, and a recessed inner helical lip is configured to receive the upper helical surface of the bottom helix member for adjusting a helical aperture.

Abstract: The invention relates to a cleaning lance with a nozzle tube (1), on whose outlet-side end there is a discharge nozzle (2), which can be switched by means of a switching mechanism between a high-pressure position and a low-pressure position. In order to be able to perform both the foam application and also the high-pressure wash with such a cleaning lance, without requiring manual switching of the operating function on the cleaning lance itself, it is provided that the nozzle tube (1) has an air inlet (3), which can be closed with a valve (4), wherein the valve function is coupled to the switching mechanism of the discharge nozzle (2), such that the valve (4) closes the air inlet (3) when the discharge nozzle (2) switches from its low-pressure position into its high-pressure position.

Abstract: A fuel injector, in particular a fuel injector for fuel-injection systems of internal combustion engines, includes a piezoelectric or magnetostrictive actuator which is excitable via an electrical line and actuates a valve-closure member arranged in a housing, the valve-closure member cooperating with a valve-seat surface to form a sealing seat, and an hydraulic coupler. The hydraulic coupler is fixedly arranged between the actuator and a valve-assembly that includes the valve-closure member and the valve-seat surface.

Abstract: A liquefied gas dispensing nozzle having a cylinder with its axis in a vertical direction, and a plug to be inserted into the cylinder from above as its main elements. A plurality of slit portions for letting through the liquefied gas are formed in parallel in an axial direction of the cylinder from the upper end to the lower end in an inner circumferential face of the cylinder contacting to an outer circumferential face of the plug. A width of at least one or more pair of mutually opposed slit portions is generally constant from its upper end to lower end and its slit bottom is inclined so that the depth of the slit becomes gradually shallower from upper end to lower end. Each slit portion of the cylinder is closed with the plug when the plug, which is movable vertically relative to the cylinder, reaches the lowest end position. A rounded portion formed by rounding a corner portion of the lower end of the slit portion includes an inclined slit bottom.