Abstract: An atomiser is for use in a showerhead or tap for dispensing a liquid, in particular water or a water-based mixture, includes a set of at least two nozzles arranged to create colliding jets of the liquid and thereby create a spray of droplets of the liquid, and a spray shaper for guiding the spray. The atomiser has a nozzle element with the nozzles, and a spray shaper, the nozzle element and spray shaper being separate parts.

Abstract: A bracket for a hand shower includes a pipe and a bracket assembly, wherein the bracket assembly is connected to the pipe. The bracket assembly includes a main body and a flexible member. The main body includes a first arm and a second arm, both of the first arm and the second arm have a pivoted end, the first arm is connected to the second arm, and the pivoted end of the first arm is separated from the pivoted end of the second arm, so as to compose a recess. The flexible member includes a girdle portion, a first pivoting portion and a second pivoting portion, wherein one end of the girdle portion is connected to the first pivoting portion, and another end of the girdle portion is connected to the second pivoting portion. The first pivoting portion of the flexible member is pivotably connected to the pivoted end of the first arm, and the second pivoting portion of the flexible member is pivotably connected to the pivoted end of the second arm.

Abstract: A binary nozzle for atomizing a mixture of agent to be sprayed and spray air is connected to at least one supply duct via which the mixture or the agent to be sprayed can be supplied to the binary nozzle, wherein a valve is arranged between this supply duct and a nozzle outlet of the binary nozzle. A corresponding spray head and also a method for atomizing a mixture of agent to be sprayed and spray air uses a binary nozzle. The binary nozzle includes a nozzle body formed in a single piece and including the nozzle outlet, wherein a movable assembly of the valve is fastened to the nozzle body by a fastening element and/or held tight against the nozzle body by a spring device.

Abstract: One passage for swirling is formed in an orifice plate fixed on a nozzle body. Two swirl chambers in which fuel is caused to swirl so that the fuel has swirling force are provided at an end of the one passage for swirling on the downstream side of the flow direction of fuel. Therefore, the collision between the swirling flow in the swirl chamber and the fuel flowing in the passage for swirling is mitigated, and the swirling flow can be smoothly produced to promote pulverization of sprays injected from fuel injection ports.

Abstract: A fuel injector 100 includes a nozzle member 60 having a fuel passage 60a leading to an injection port 60b; a valve main body 51 adapted to reciprocate for opening and closing the fuel passage 60a; an elastic portion 56 elastically deformable in closing the fuel passage 60a by movement of the valve main body 51 in a closing direction, the elastic member being attached to one of the nozzle member 60 and the valve main body 51 and adapted to be abutted against the other of the nozzle member 60 and the valve main body 51 to close the fuel passage 60a by moving the valve main body 51 in the closing direction; and a stopper 70 adapted to restrict movement of the valve main body 51 in the closing direction by being abutted against the valve main body 51, the stopper 70 being formed of material different from the nozzle member 60.

Abstract: A urinal is disclosed as having a spreader assembly. The spreader assembly includes a spreader body that may be mounted to the urinal, and a spreader mat. The spreader mat includes a series of spray holes. The spreader body is connected to a water supply, and a perimeter of the spreader mat is sealed to the spreader body. Each spray hole of the spreader mat is oriented to direct water onto a particular area of the urinal, when water is supplied to flush the urinal.

Abstract: The present disclosure relates to a dual flow fitting that permits a user to select between a first, low flow rate and a second, high flow rate, as well as variable flow rates there between. The fitting includes a plunger within a housing body. A plurality of longitudinal grooves are defined along either the inside of the housing body or the outside of the plunger. At least one of the grooves has a varying portion along which the cross-sectional area of the groove varies over a length of the groove. This varying portion can be moved relative to a seal member positioned between the housing body and the plunger, thus allowing for variation of the flow rate through the fitting. The larger the cross-sectional area of the groove(s) at the point of contact with the seal member, the greater the flow rate through the fitting.

Abstract: A needle for a jet device includes a needle body and a tapered part arranged at the end of the needle body, in which the needle body is circumferentially provided with supporting bodies, so that when the needle is assembled in a nozzle of the jet device, the outer surfaces of the supporting bodies are coordinated with an inner chamber of the nozzle to limit the position of the needle body and form fluid channels among the supporting bodies, thereby to effectively prevent the needle from deviating from the spout of the nozzle or from radially swinging.

Abstract: A drain nozzle for fire fighting including a nozzle barrel and bafflehead, a floor grating providing the bafflehead, the nozzle barrel adjustably attached by an adjustment ring to the grating, the nozzle barrel not touching the bafflehead, the grating and bafflehead directing the discharge into an appropriate pattern.

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet, and a passageway having a smooth bore extending between the inlet and the outlet. The passageway has an inner dimension transverse to the central axis of the nozzle and a compressible wall wherein the inner dimension is adjustable to adjust the flow rate through the nozzle.

Abstract: A spray nozzle configured to be disposed on top of and coupled to a standard spray paint canister. Compressed gas within the spray paint canister serves as the propellant which expels the liquid paint out of the canister when the nozzle is actuated. The paint and compressed gas travel through the internal passageways of the nozzle and are ejected from the nozzle in a three-dimensional conical discharge. The nozzle comprises an adjustable valve for a user to manipulate and change the emitted three-dimensional discharge from the canister. The adjustable valve alters the internal flow characteristics of the nozzle which in turn change the diameter of a circular spray pattern which is produced when the nozzle is held at a set distance away from a surface that is being sprayed. The user may adjust the fluid flow during use or between uses.

Abstract: Disclosed is a drizzle type spray apparatus, especially a wetting drizzle spray apparatus, that is configured to attach an adjustable member onto an erectable ground-based tube, the adjustable member is made of adjustable units having rotatable angles, and works to operatively make up a sprinkle head, so as to allow change in the spray direction of the sprinkle head.

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 variable discharge width device includes a hollow outer cylindrical part where inside and outside thereof communicate with each other via a discharge port, and an inner cylindrical part rotatable inside the outer cylindrical part along a circumferential wall of the outer cylindrical part. The inner cylindrical part can introduce fluid thereinto, and has a circumferential part opening formed in the circumferential wall so that inside and outside of the inner cylindrical part communicate with each other. The circumferential part opening is formed so that an opening width thereof changes in the circumferential direction of the inner cylindrical part. The variable discharge width device is capable of discharging the fluid introduced into the inner cylindrical part, from a communicating area formed by intersecting the circumferential part opening and the discharge port.

Abstract: A new firefighting nozzle has a base nozzle with one size or type of orifice and one or more auxiliary nozzles with a different size or type of orifice that a firefighter can easily see. A firefighter can swing the auxiliary nozzle into series with the base nozzle to change the flow. A springy element biases a locking element on the auxiliary nozzle from a retracted position toward an extended position in which it locks the auxiliary nozzle in place.

Abstract: A nozzle comprises a lower nozzle plate including a lower impingement surface formed therein, at least one fluid intake port disposed at an inner end of the lower impingement surface, and an upper nozzle plate including an upper impingement surface formed therein and an upper orifice edge disposed along an outer end of the upper impingement surface. The nozzle includes a seal configured for sealing the lower nozzle plate to the upper nozzle plate, such that the lower and upper impingement surfaces are opposed toward one another, thereby forming a fluid channel between the impingement surfaces, directing pressurized fluid from the at least one fluid intake port to a slotted orifice formed between the opposed lower and upper orifice edges. The nozzle includes a droplet size adjustment mechanism configured for attachment to the upper and lower nozzle plates for selectively controlling fluid droplet size ejected from the slotted orifice.

Abstract: A sanitary fitting having an outlet contains an outlet end which is formed in a substantially tubular manner. In this tubular end there is arranged a shut-off valve having a cartridge, water flowing through the centre of said shut-off valve. A rotary shaft serves to rotate and thus actuate the valve cartridge. The rotary shaft is arranged and mounted inside a mounting sleeve which contains an outlet element at its outlet-side end. An external sleeve, which forms a flush continuation of the fitting housing, serves to rotate the rotary shaft. The sleeve is connected to the rotary shaft by a radial pin which engages through an arcuate slot that extends in the circumferential direction. When the sleeve is rotated, the position and setting of the outlet element remains the same.

Abstract: A sanitary fitting contains a rectilinear or slightly curved tubular outlet body, at one face end of which there is arranged an outlet, out of which the water flows, with the valve open, in a direction extending the direction of the outlet body. At this end of the outlet body there is arranged an actuating element for a valve cartridge arranged axially in the outlet body. At the opposite end of the outlet body there is arranged at a face end an actuating element for a valve cartridge accommodated in the outlet body. The outlet body has a lateral fastening attachment, by way of which the sanitary fitting is fastened to a horizontal or vertical surface and through which the supply lines are led.

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 bodyspray assembly is disclosed that provides a pivotable spray head mounted essentially flush with the surrounding enclosure wall. In one embodiment, a special tool is provided to rotate a waterway housing, to selectively couple the waterway housing to a source from the front of the assembly. In another embodiment, rotation of a spray face assembly rotates a waterway housing, to selectively couple the waterway housing to a source from the front of the assembly. The bodyspray assembly provides ball and socket type articulation.

Abstract: A firefighting nozzle of the present invention includes a nozzle body with an inlet and an outlet, a passageway having a smooth bore extending between the inlet and the outlet of the nozzle body, and a compressible member defining at least a portion of the passageway. The compressible member has an inner dimension transverse to the longitudinal central axis. The nozzle also includes an adjuster mounted about the compressible member for selectively compressing the compressible member, wherein the pressure of the fluid flowing into the nozzle applies an outwardly directed pressure on the compressible member to thereby increase the inner dimension of the compressible member, and with at least a portion of the pressure being diverted from the passageway for applying an inwardly directed pressure on the compressible member to thereby at least reduce the force needed to be applied by the adjuster to counter-act the outwardly directed pressure when adjusting the flow rate of the nozzle.

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 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 discharge device for a cleaning fluid or treatment fluid, in particular to a lance for a high-pressure cleaner, comprising a pivotable head piece and an elongate holder which carries the head piece at its one end and is made at its other end for holding and for remotely controlled pivoting of the head piece, wherein the holder includes a carrier for the holding of the head piece and an actuation member adjustable relative to the carrier for the pivoting of the head piece relative to the carrier, and wherein the carrier and the actuation member extend up to the head piece in an at least approximately axially parallel arrangement, and in particular coaxial arrangement, with the carrier extending inside the actuation member.

Abstract: An extendable sprinkler device comprises a base cylinder having a first end fluidly communicable with a second end via a through passageway. A primary extension assembly is coupled within the through passageway of the base cylinder and is positionable between collapsed and extended positions. The primary extension assembly comprises a primary extension cylinder having a first end fluidly communicable with a second end via a through passageway. A stop is coupled to the first end of the primary extension cylinder. An actuator cylinder is coupled within the primary extension cylinder. The actuator cylinder comprises a first end fluidly communicable with a second end via a through passageway. The second end of the actuator cylinder is coupled with the second end of the primary extension cylinder.

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: A water sprinkler toy includes a base having a water inlet and a nozzle adapted to spray water in the shape of a funnel. Additionally, the water sprinkler toy includes an object capable of being suspended in the air by the water.

Abstract: A shower head includes a nozzle, a connector mounted on the nozzle, a fastening member secured on the nozzle and abutting the connector, a bushing mounted in the connector, and a locking screw member locked onto the connector. Thus, when the water flows through the shower head, the ambient air is introduced through the air conducting holes of the connector and the air conducting apertures of the bushing into the flow conduit of the bushing to break the vacuum state in the shower head and to perturb the water flow in the shower head so as to produce a turbulent flow in the shower head so that the water flow injected from the nozzle is divided into multiple straight water beams and multiple irregular water bubbles so as to increase the flushing angle and area of the shower head.

Abstract: A firefighting nozzle of the present invention includes a nozzle body with an inlet and an outlet, a passageway having a smooth bore extending between the inlet and the outlet of the nozzle body, and a compressible member defining at least a portion of the passageway. The compressible member has an inner dimension transverse to the longitudinal central axis. The nozzle also includes an adjuster mounted about the compressible member for selectively compressing the compressible member, wherein the pressure of the fluid flowing into the nozzle applies an outwardly directed pressure on the compressible member to thereby increase the inner dimension of the compressible member, and with at least a portion of the pressure being diverted from the passageway for applying an inwardly directed pressure on the compressible member to thereby at least reduce the force needed to be applied by the adjuster to counter-act the outwardly directed pressure when adjusting the flow rate of the nozzle.

Abstract: An object is to provide a water discharge device in which a water sprinkling member having water discharge ports can simultaneously achieve both good rotation start-up ability and good rotation stability. A water discharge device FC is configured in such a manner that the center of gravity of a rotor constituted of a tubular body 20 and a head 40 (the water sprinkling member) is positioned near an opening 4 which is located near the center of swing at which a central axis C1 of the tubular body 20 tilted by swinging revolution and a central axis C2 of an inflow chamber 3 intersect in a state where any water is not supplied to a buffer chamber 43 of the head 40, whereas the center of gravity of the rotor is moved to a head 40 side in a state where the water is supplied to the buffer chamber 43 of the head 40.

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet, and a passageway having a smooth bore extending between the inlet and the outlet. The passageway has an inner dimension transverse to the central axis of the nozzle and a compressible wall wherein the inner dimension is adjustable to adjust the flow rate through the nozzle.

Abstract: An adjustable module spray head and adjusting method thereof comprises a module core unit having a holder, a distributing set rotating relative to the holder, two plugs, and a rotable positioning structure between the holder and the distributing set; the module core unit is used to assembled with various spray heads with different watering levels to meet different demands by selecting an installing position of a levering pin of the rotable positioning structure and by removing at least one stator or a rotor of the adjustable levering assembly.

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 sprinkler is disclosed for improved flow characteristics. The sprinkler has a sprinkler head rotatably supported for distributing water and defining a flow channel for directing water flow therethrough with reduced head loss. The flow channel has a smoothly tapered portion for receiving water and channeling the water towards an outlet in communication with a first nozzle for distributing the water. The flow channel with reduced head loss produces a greater throw distance at a lower trajectory with a lower flow rate and pressure. The flow channel may be formed within a flow channel member positioned within the sprinkler head. The flow channel member may cooperate with the sprinkler head to define a cavity allowing water to pass through the cavity from the flow channel for emission from a plurality of other nozzles.

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 bodyspray assembly is provided that includes a coupling assembly connected to a spray face. The spray face is operable to emit a directed spray having an omni-directionally adjustable angular orientation. Hence, a spray face in the form of a tile having an array of outlets can direct spray in a variety of directions, or be parallel to a mounting wall for decorative purposes.

Abstract: An adjustable arc sprinkler includes first and second adjacent members that define a nozzle orifice. The first member can be connected to the end of a riser and defines a flow path leading to the nozzle orifice. The second member is rotatable relative to the first member to select a desired size of an adjustable arc fan-shaped water spray pattern when water travels through the flow path and is ejected from the nozzle orifice. A pair of features formed on the first and second members are configured to enhance a distribution of water at the edges of the water spray pattern.

Abstract: A device carried on a moving vehicle for creating marking lines, which are a plurality of elements and are made of a highly viscous marking material, on a surface that is to be marked. The device includes a housing formed by walls and a discharge slot formed in at least one of the walls of the housing and extending transversely to a direction of movement of the vehicle, the discharge slot being limited in extent by a front discharge slot edge and a rear discharge slot edge, seen in the direction of movement of the vehicle. A pressurized material supply line leads to an interior of the housing. A rotatable hollow cylinder formed of a jacket is located in the interior of the housing and is arranged to rotate with the movement of the vehicle carrying the device. The cylinder is provided with a plurality of passages through the jacket, which, depending on a rotary position of the cylinder, establish a connection between the pressurized material supply line and the discharge slot.

Abstract: A dispenser adapted to be coupled to a fluid container. The dispenser comprises a dispensing head, an energy source, and a fluid pathway. The dispensing head includes a fluid pump, a motor adapted to power the pump, a trigger adapted to control the motor, and a nozzle orifice in fluid communication with a discharge end of the pump. The fluid pathway has one portion in fluid communication with an intake end of the pump and another portion inside the container. In one embodiment, the fluid pump is a peristaltic pump. The present invention may further include a valve having a membrane for controlling flow through the valve, the membrane having open and closed positions; and an element urges the membrane to the closed position, and a vacuum pressure at one end of the valve may overcome the urging of the element, thereby moving the membrane to the open position.

Abstract: A bodyspray assembly is provided that includes a coupling assembly connected to a spray face. The spray face is operable to emit a directed spray having an omni-directionally adjustable angular orientation. Hence, a spray face in the form of a tile having an array of outlets can direct spray in a variety of directions, or be parallel to a mounting wall for decorative purposes.

Abstract: A cleaning device for a vehicular lamp including a piston 3, which has a spray nozzle 5 and a nozzle cover 7 covering the spray nozzle, and a cylinder 2, which drives the piston into and out of an opening 91 formed in a vehicle body 9. The nozzle cover has a cylindrical shaft receiving portion 72 extending from the rear surface thereof and an engagement hole 73a provided at a position away from the shaft receiving portion. The distal end of the piston has an engagement shaft portion 82, which projects forward and fits with the shaft receiving portion of the nozzle cover, and an engagement tab 83, which engages with the engagement hole of the nozzle cover. The engagement shaft portion fits with the shaft receiving portion and the engagement tab engages with the engagement hole by moving the nozzle cover toward the distal end of the piston.

Abstract: A sprinkler includes hollow tube with a plurality of apertures and a plurality of nozzles are respectively inserted through the apertures. Each nozzle is connected to a bellow which is engaged with the aperture. A guide member is rotatably mounted to the hollow tube and includes a plurality of inclined slots in which the nozzles are movably engaged. The positions of the nozzles are adjusted by rotating the guide member so as to have different patters of watering.

Abstract: The present invention provides a liquid atomizer for atomizing liquid and applied in an atomizing device having an accommodating space and a through hole. The liquid atomizer includes a vibrating element having a first hole corresponding to the through hole; a spray plate having a plurality of spraying holes corresponding to the first hole and being connected with the vibrating element; and a structure element having a second hole corresponding to the plurality of spraying holes of the spray plate and being connected with the spray plate so that the spray plate is disposed between the vibrating element and the structure element. The vibrating element, the spray plate and the structure element are assembled in the accommodating space of the atomizing device. Liquids are atomized via the spraying holes of the spray plate.

Abstract: The present invention is a dispenser adapted to be coupled to a fluid container. The dispenser comprises a dispensing head, an energy source, and a fluid pathway. The dispensing head includes a fluid pump, a motor adapted to power the pump, a trigger adapted to control the motor, and a nozzle orifice in fluid communication with a discharge end of the pump. The fluid pathway has one portion in fluid communication with an intake end of the pump and another portion inside the container.

Abstract: A spray device, useful for example as a fuel nozzle for gas turbine engines, comprises a body having a bore and a cap member having an orifice, the body and cap member in combination defining a chamber. Fluid passages introduce pressurized liquid into the chamber and direct a flow into the bore, thereby causing a spinning flow to be forced out through the orifice.

Abstract: A showerhead assembly may include a showerhead bracket for attaching a conventional handheld showerhead to the showerhead assembly. A coupling member may join the showerhead assembly to a shower pipe, and a showerhead may be joined to the showerhead bracket to deliver water or other fluid from the showerhead assembly. The showerhead bracket may be selectively rotatable and/or pivotable relative to the coupling member, the showerhead, or both to change the direction water exits the showerhead assembly relative the showerhead pipe. The showerhead assembly may operate in one or more modes, which may include at least one off mode. The showerhead assembly operation mode may be selected by rotating at least some components of the showerhead relative to the showerhead bracket. Some showerhead assemblies may include a diverter valve to selectively control the flow of fluid from the showerhead pipe to the showerhead and the handheld showerhead.

Abstract: The present invention provides an automatic elevating device for shower or faucet, which is typically comprised of a hydraulic cylinders, pistons, push rods and valves; there are two ports built on the both ends of said hydraulic cylinder for attaching a valve on each, said piston is set upon the inside between the both ports of said hydraulic cylinder in motion fit, said push rod is fixed on said piston with one end, and another end is stretched out of the hydraulic cylinder, said shower head or faucet is mounted on the push rod, and said hydraulic cylinder is mounted on a static place, said valves are used for controlling on port of the hydraulic cylinder entering water and another port draining water so as to control said hydraulic cylinder elevating motion, or closes the both ports of the hydraulic cylinder to stop the hydraulic cylinder motion.

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet, and a passageway having a smooth bore extending between the inlet and the outlet. The passageway has an inner dimension transverse to the central axis of the nozzle and a compressible wall wherein the inner dimension is adjustable to adjust the flow rate through the nozzle.

Abstract: A self-cleaning spray nozzle, and in particular a self-cleaning spray nozzle for use in an apparatus for the preparation of a particulate material by a controlled agglomeration method, for example a method for controlled growth of particle size. The apparatus is especially suitable for use in the preparation of pharmaceutical compositions containing a therapeutically and/or prophylactically active substance which has a relatively low aqueous solubility and/or which is subject to chemical decomposition.