Abstract: The reagent dispenser head has a piezoelectric actuator supported by a back plate, a front plate having a conical well and a fluid inlet connected by a shallow channel, and a thin, impermeable membrane disposed between the piezoelectric actuator and the well. The well has a window defined therein opening on a nozzle plate having an array of orifices which are arranged to define a predetermined image or pattern. The dispenser head is supplied with a reagent or other liquid through the fluid inlet, the fluid feeding into the well through the channel. A control system is connected to the piezoelectric actuator to provide an electrical pulse or trigger which causes the piezoelectric actuator to bend or deform, contracting the depth of the well and ejecting drops of reagent through all the orifices simultaneously, coating a substrate with reagent in the image pattern.

Abstract: Fluids are atomized using a miniaturized electrostatic microinjector. The microinjectors are capable of producing uniform droplets in several spray modes, and metering and dispersing very small volume fluids. The atomizer is useful in carburetion systems for internal combustion engines, to prepare samples for analytical methods such as MALDI, for fluid filtration and separation, and in other applications.

Abstract: In order to provide a discharge device which forms microlenses, etc., with high precision, a switch circuit selects a predetermined one of drive pulses COM1, COM2, and COM3 included in a drive signal COM on the basis of waveform selection data obtained from control means, and applies the selected drive pulse.

Abstract: The present invention provides a method for making snow. The method includes discharging a supply of pressurized water in ambient air, discharging a supply of pressurized air in ambient air, and controlling the discharge of the supply of pressurized water and/or the discharge of the supply of pressurized air to regulate a ratio of water to air, to more efficiently make snow over a range of ambient temperatures.

Abstract: The invention concerns a liquid droplet spray device for atomising a liquid substance, comprising a housing comprising a first substrate, a second substrate superposed on the first substrate and a space enclosed by said first and second substrates for containing the liquid substance. An outlet means is arranged in at least one of said first or second substrates and comprises at least one outlet nozzle (19) and at least one output channel (20) connecting the space (12) to each outlet nozzle (19). A vibrating element (18) is disposed to vibrate liquid in said space (12) so as to eject said liquid substance as a spray through said outlet nozzles (19).

Abstract: An apparatus for distributing a fluid is disclosed. The apparatus comprises a plurality of conduits and outlet ports that are capable of providing improved distribution of fluids. One or more conduits are arranged within a single conduit, which provides a compact and inexpensive assembly for conveying the fluids to each conduit's outlet port.

Abstract: A combustor for a gas turbine engine operates with high combustion efficiency, and low nitrous oxide emissions during engine operations. The combustor includes at least one trapped vortex cavity, a fuel delivery system including two fuel circuits, and a fuel spray bar assembly. A pilot fuel circuit supplies fuel to the trapped vortex cavity and a main fuel circuit supplies fuel to the combustor. The fuel spray bar assembly includes a spray bar and a heat shield. The spray bar is sized to fit within the heat shield. The heat shield includes aerodynamically-shaped upstream and downstream sides.

Abstract: A shower head includes a housing supporting a low speed rotary valve member driven by a high speed rotary turbine to produce a variable flow rate. The turbine also produces pulsations of water streams discharged from the housing and is shifted axially to produce continuous water streams. A manually actuated control valve and passages with pressure responsive flow control washers provide for selecting different ranges of variable flow or for bypassing the variable flow.

Abstract: A fluid distribution device (9) for fluid delivery to selected delivery ports, such as those of cutting platten of pressure thermoforming machinery. The device (9) includes a distribution block (10) having an array of fluid flow passages (11) arranged in a plurality of at least first and second groups (15, 16). Each flow passages (11) is included in a respective first group (15) and a respective second group (16) of flow passages. Valve means (12) is iperable for controlling fluid flow through the passages (11). The valve means (12) includes an at least first series a valve member (19) of which each valve member (19) is associated with a respective one of the group S (15) of flow passages (11), and an at least second series of valve members (20) of which each valve member (2) is associated with a respective one of the second group S (16) of flow passages (11).

Abstract: A shower head having a plurality of nozzles, with the exterior finish of both the shower head housing and the nozzles being consistent. For example, both the shower head and the nozzles may have either a chrome or a brass exterior finish. The nozzles of the shower head of the present invention each include a nozzle insert positioned therein, with the nozzle insert having a flexible nozzle tip protruding from the nozzle. Each nozzle insert includes an passageway in fluid communication with the water inlet of the shower head whereby water introduced into the shower head is ejected from the shower head through the passageway in the nozzle insert. The flexibility of the nozzle tip provides a convenient mechanism for eliminating build-up of, e.g., calcium or other deposits by manually flexing the nozzle tip.

Abstract: To supply a Multi-tube extruding equipment that is capable of producing uniform film of thickness variation that is minimized to almost “zero” level. This equipment 1 comprises Joint 2 that connects this equipment and the fluid coating material supply equipment by hoses etc. A bunch of tubes 3 of which one ends 3a at the inlet of the fluid coating material are fastened to the Joint 2 and the other ends 3b at the outlet of the material are lined up in a single plane and connected to the die lips 5 in the cross machine direction Slit 5a which converts the fluid material flown in from the inlet 3a and flown out from the outlet 3b of the tubes into a film of a pre-determined thickness, and extrudes out the film of the width A through the die lips 5.

Abstract: A prostrate garden sprinkler base comprises a prostrate main body provided with a hose connector, a spray tube member in communication with the hose connector, and a shield for concealing and protecting the spray tube member. The shield is provided with a plurality of through slots which are arranged in such a pattern that water streams emitted by jet nozzles of the spray tube member are sprayed out via the through slots of the shield for watering a garden, lawn, golf course, and the like.

Abstract: A showerhead according to the present invention includes a housing, a baffle located within the housing, a fluid-permeable absorbent element, and a fluid distribution element. The baffle and the upper lid of the housing define a fluid chamber that receives fluid from a fluid inlet. The fluid flows through seep holes in the baffle and into a second fluid chamber that contains the absorbent element. The fluid distribution element encloses the absorbent element within the second fluid chamber. The fluid distribution element includes a plurality of holes and a plurality of protrusions configured to release fluid from the second fluid chamber.

Abstract: A spray generator is provided that generates a spray of droplets by the interaction of opposed jets of fluid. The generator comprises a rigid central member defining a central axis, and fluid passageways formed in a block of material leading to two or more pairs of opposed fluid outlets. The outlets of each pair are separated from each other and arranged to generate opposed jets of fluid along an axis parallel to the central axis. Further, the pairs are equi-angularly spaced about the central axis. The outlets of each pair are maintained in axial alignment with each other and at a predetermined axial spacing from each other by a rigid connection between the central member and the block of material. The two or more pairs of outlets together generate a spray of droplets extending 360 degrees about the central axis.

Abstract: A showerhead according to the present invention includes a housing, a baffle located within the housing, a fluid-permeable absorbent element, and a fluid distribution element. The baffle and the upper lid of the housing define a fluid chamber that receives fluid from a fluid inlet. The fluid flows through seep holes in the baffle and into a second fluid chamber that contains the absorbent element. The fluid distribution element encloses the absorbent element within the second fluid chamber. The fluid distribution element includes a plurality of holes and a plurality of protrusions configured to release fluid from the second fluid chamber.

Abstract: Gas-assisted atomizing devices are provided that include liquid orifices, which release liquid, and gas orifices, which release gas to atomize the liquid into droplets. The atomizing devices are formed by at least a first layer and a second layer. The atomizing devices can include a gas supply network and a liquid supply network that supply gas and liquid to the gas and liquid orifices.

Abstract: A shower head having a plurality of nozzles, with the exterior finish of both the shower head housing and the nozzles being consistent. For example, both the shower head and the nozzles may have either a chrome or a brass exterior finish. The nozzles of the shower head of the present invention each include a nozzle insert positioned therein, with the nozzle insert having a flexible nozzle tip protruding from the nozzle. Each nozzle insert includes an passageway in fluid communication with the water inlet of the shower head whereby water introduced into the shower head is ejected from the shower head through the passageway in the nozzle insert. The flexibility of the nozzle tip provides a convenient mechanism for eliminating build-up of, e.g., calcium or other deposits by manually flexing the nozzle tip.

Abstract: A shower head includes a housing supporting a low speed rotary valve member driven by a high speed rotary turbine to produce a variable flow rate. The turbine also produces pulsations of water streams discharged from the housing and is shifted axially to produce continuous water streams. A manually actuated control valve and passages with pressure responsive flow control washers provide for selecting different ranges of variable flow or for bypassing the variable flow.

Abstract: A microprocessor-operated valve is held in a showerhead to shut off flow of water if a leak detector measures any water leakage. The valve is mounted in a conduit in the showerhead and operated to shut off water flow if the water leak detector senses leakage from the showerhead. An electric motor is held in the showerhead and actuated to drive a gear train to close the normally-open valve and shut off water flow through the conduit.

Abstract: A roof cleaning system for enabling an individual to conveniently and safely clean a roof or other elevated surface. The roof cleaning system includes a telescoping tube fluidly connectable to a hose of a pump, a main tube fluidly connected to the telescoping tube, a plurality of nozzles fluidly connected within the main tube extending downwardly, a pair of arms attached to opposing ends of the main tube, a pair of cutouts within the arms for slidably receiving a corresponding pair of extended members, and a pair of wheels attached to the extended members for movably supporting the main tube substantially parallel above a surface of a roof.

Abstract: A method for treating a gas dispensing device used in chemical vapor deposition and the device treated by such method are disclosed. In the method, a gas dispensing device fabricated substantially of aluminum is first provided that has a planar surface with a multiplicity of apertures therethrough. The planar surface is then exposed to a diluted acid solution that contains at least HNO3 for conducting a cleaning process. After the residual diluted acid solution has been removed from the planar surface, a second step of oxidation is carried out on the surface of the gas dispensing device by exposing the planar surface to an acid solution that contains at least HNO3 for a sufficient length of time until a metal oxide layer such as Al2O3 is formed to a thickness of at least 1 &mgr;m on the planar surface.

Abstract: A fire extinguishing access port includes a port and nozzle assembly where the nozzle has a plurality of radial outlets defining a pattern of dispersal for a fire extinguishing agent. According to a presently preferred embodiment, the port and nozzle assembly is dimensioned to be mounted in an existing mounting hole (e.g. a switch mounting hole) of an aircraft electrical panel with the nozzle residing in the rear of the panel and the port residing on the front of the panel. A plurality of different nozzles are provided for different electrical panels, each nozzle having a different pattern of dispersal. A fire extinguisher access port kit includes a plurality of threaded nozzles, each with different dispersal patterns, a plurality of threaded ports which mate with the nozzles, and a plurality of different length threaded tubes which mate with the nozzles and the ports.

Abstract: The reagent dispenser head has a piezoelectric actuator supported by a back plate, a front plate having a conical well and a fluid inlet connected by a shallow channel, and a thin, impermeable membrane disposed between the piezoelectric actuator and the well. The well has a window defined therein opening on a nozzle plate having an array of orifices which are arranged to define a predetermined image or pattern. The dispenser head is supplied with a reagent or other liquid through the fluid inlet, the fluid feeding into the well through the channel. A control system is connected to the piezoelectric actuator to provide an electrical pulse or trigger which causes the piezoelectric actuator to bend or deform, contracting the depth of the well and ejecting drops of reagent through all the orifices simultaneously, coating a substrate with reagent in the image pattern.

Abstract: A flexible nozzle system for the gas distribution plate of a plasma reaction chamber. The gas distribution plate is a metal plate having a plurality of clamping holes and a plurality of removable nozzle modules inserted into the clamping holes.

Abstract: A showerhead has a top adapted to be attached to a pipe and includes a face having multiple through hole. A flexible stud is mounted in each of the through holes in the face of the showerhead. Each of the studs has a diameter greater than that of the through hole in the showerhead. The stud is flexible and has an exterior annular groove defined to be mounted in the periphery of a through hole to hold the stud on the face of the showerhead. A longitudinal passage is defined through the stud and to allow water to discharge from the showerhead. The user can break up and flush out the impurities formed on the inner periphery of the passage by flipping the stud to keep the passage open because the stud is flexible.

Abstract: A showerhead which may be utilized as a source of illumination includes a source of illumination which is efficiently coupled to individual ones of a plurality of water sprays. In an exemplary embodiment, a plurality of fiber-optic members transmit light from one or more individual light sources to corresponding ones of a plurality of individual shower sprays or nozzles. Light from the source of illumination is thus transferred to and is transmitted through a plurality of individual water sprays.

Abstract: An improved structure water sprayer head assembly comprised of a sprayer head having a sleeve with an internal threaded section,formed inside its bottom end, a water sealing ring inserted in the sprayer head sleeve, and a connector having external threads formed around its circumference that enables it to be fastened to the interior section of the sprayer head sleeve, and a long tube. The innovative features include the forming along the inner circumference at the approximate center section of the connector of an annular groove matching the front end of the long tube to the inner diameter at the bottom end of the connector and, furthermore, enables its most forward end to protrude slightly at the front end of the connector. As such, the long tube is situated at the position of the groove formed annularly along the interior section of the connector and there subjected to pressure, enabling a mated insertive junction at the groove formed annularly along the interior section of the connector.

Abstract: Is provided a liquid discharge apparatus for producing a probe carrier, having a configuration capable of supplying the discharge unit with plural probe solutions without increasing the dimension of the apparatus, an apparatus for producing the probe carrier utilizing such liquid discharge apparatus, and a method for producing the probe carrier, utilizing such apparatus.

Abstract: Torch tip for a torch, said tip adapted to be in fluid communication with a fuel gas and oxygen source for generating a flame, the torch tip including a tubular or substantially tubular body having a plurality of spaced orifices therein, at least one of the orifices being formed in a planar surface so as to allow the formation of a circular orifice therein, the orifice thereby emitting, in operation, a stable and even flame. In a preferred embodiment, all of the orifices are so formed, and direct a flame towards a common point.

Abstract: A prostrate garden sprinkler base comprises a prostrate main body provided with a hose connector, a spray tube member in communication with the hose connector, and a shield for concealing and protecting the spray tube member. The shield is provided with a plurality of through slots which are arranged in such a pattern that water streams emitted by jet nozzles of the spray tube member are sprayed out via the through slots of the shield for watering a garden, lawn, golf course, and the like.

Abstract: An integrated deposition system is provided which is capable of vaporizing low vapor pressure liquid precursors and delivering this vapor into a processing region for use in the fabrication of advanced integrated circuits. The integrated deposition system is made up of a heated exhaust system, a remote plasma generator, a processing chamber and a liquid delivery system which together provide a commercially viable and production worthy system for depositing high capacity dielectric materials from low vapor pressure precursors, anneal those films while also providing commercially viable in-situ cleaning capability.

Abstract: A prostrate water sprinkler comprises a base on which one or more spray tubes are disposed. The spray tubes are provided with a plurality of jet nozzles which are arranged in one or two rows along the longitudinal direction of the spray tubes. The jet nozzles can be adjusted in spray angle thereof by an adjustment member which is mounted on the spray tubes.

Abstract: A reforestation and nourishing practice by the use of a lighter-than-air airship system, for dispersing and planting tree saplings, primarily in remote regions which may have been devastated by fire, where access to such regions by personnel and ground equipment is difficult. The airship system comprises an aerodynamically configured structure having a semi-rigid keel or skeleton, where lift is provided by helium, with the keel mounting a liquid management mechanism consisting of a reservoir open to the outside for resupply of liquid or water, a conduit leading to a holding tank, and a piping distribution and nozzle assembly below the airship system to spray or dispense the liquid or water over selected areas to water or nourish the newly planted trees. The mechanism for temporarily storing and eventually dispensing the tree saplings is a rack mounting at least one cylindrical canister containing plural compartments.

Abstract: A sprayer device may receive water from a water reservoir, and includes a light device, and a device for actuating the light device with the water flowing through the sprayer device. The light device may be energized to light the mist or the spraying water out of the sprayer device for decorative purposes. The sprayer device includes a barrel coupled to the water reservoir. A switch device includes two conductor blades disposed in the barrel and coupled to the light device for being actuated by the water flowing through the barrel.

Abstract: A low-noise air delivery system including a nozzle plate having a plurality of tubes. Each tube acts as an independent nozzle with an external diameter (d). Each tube is spaced approximately two external diameters (2d) apart from an adjacent tube. The system also includes a hand-held portion coupled to the nozzle plate engageable to and in communication with an air supply.

Abstract: A spray head assembly for attaching to an industrial robot having an overload protection device coupled to a changer with an attached spray head body with a common nozzle supply and a plurality of nozzles selectively attached to the common nozzle supply. Each of the plurality of nozzles is selectively rotated into position and may provide a different spray pattern depending upon the application. The spray head assembly is compact and suited to working in tight spaces, and in particular spraying the interior of cavities. The present invention is particularly applicable to applying an anticorrosion wax to the inside of automobile or car body cavities.

Abstract: A nozzle exchanging or mounting apparatus is provided for use in exchanging nozzles utilized for vacuum sucking a semiconductor device and various electric components in a surface mounting apparatus. The nozzle exchanging or mounting apparatus includes a nozzle installation body having a nozzle installation portion in which a plurality of nozzles can be disposed at a predetermined interval therebetween, a locking unit, the locking unit being longitudinally inserted into and installed at one side of the nozzle installation body, a bracket for inserting one side of the locking unit thereinto to fix the locking unit in place, and a driving unit for selectively moving the locking unit backward and forward. The apparatus provides the advantage that the time taken to exchange nozzle(s) can be reduced due to the stable and prompt exchange of the nozzle(s).

Abstract: A metering head for delivering a liquified fuel gas in different combustion chamber sections of a tool and including an inlet (8), at least two outlets (16, 17), and at least one metering valve (5, 5a, 5b) connecting the inlet (8) with the at least two outlets (16, 17).

Abstract: A flexible nozzle system for the gas distribution plate of a plasma reaction chamber. The gas distribution plate is a metal plate having a plurality of clamping holes and a plurality of removable nozzle modules inserted into the clamping holes.

Abstract: A fuel injector for use with an internal combustion engine. The fuel injector comprises a valve group subassembly and a coil group subassembly. The valve group subassembly includes a tube assembly having a longitudinal axis that extends between a first end and a second end; a seat that is secured at the second end of the tube assembly and that defines an opening; an armature assembly that is disposed within the tube assembly; a member that biases the armature assembly toward the seat; an adjusting tube that is disposed in the tube assembly and that engages the member for adjusting a biasing force of the member; a filter that is disposed at least within the tube assembly; and a first attachment portion. The coil group subassembly includes a solenoid coil that is operable to displace the armature assembly with respect to the seat; and a second attachment portion that is fixedly connected to the first attachment portion.

Abstract: A sprayer device includes a housing coupled to a water reservoir, a block having a passageway and a number of outlets. A locking member is slidably received in the passageway of the block to block some of the outlets of the block alternatively when the blocking member is slided along the passageway of the block. A number of paddle wheels are rotatably received in the block for controlling the outward flowing water. A shaft is received in the block, and a cap is threaded to the block and has a valve seat for engaging with the shaft to control the outward flowing water.

Abstract: A sprinkler apparatus for transferring water from a supply hose to a ground surface. The sprinkler apparatus includes a conical-shaped main body member with a plurality of apertures around the outer surface for watering close to the sprinkler, and a retractable spray nozzle on the top for covering the area surrounding the sprinkler.

Abstract: A shower head generally comprising a backing plate, a diaphragm and a cover plate. The rear surface of the backing plate includes a receptacle for receiving a conduit through which pressurized water may be directed to an aperture extending through the backing plate. The front surface of the diaphragm has a plurality of nipples extending outwardly therefrom with each nipple having longitudinal bore extending therethrough. The cover plate has a plurality of holes extending therethrough for receiving the nipples on the diaphragm such that the cover holds the diaphragm against the front surface of the backing plate. Pressurized water delivered through the aperture causes an outward deflection of the diaphragm away from the backing plate allowing water to be expelled through the bores in the nipples.

Abstract: A system and method for installing plumbing spouts, such as shower heads and tub spouts, includes providing a stub out which protrudes out of a wall at shower height. A specialized adapter is then slid onto the protruding stub out until the adapter abuts the wall. The adapter is internally threaded with an integral ferrule, and may also be equipped with a one-way gripper ring and an O-ring to sealingly secure the spout to the stub out. The stub out, if closed, is then cut off outside the adapter and a standard shower arm or nipple for a tub spout is threaded into the adapter. A threaded end of the shower arm or nipple engages the ferrule and compresses it against the stub out creating a seal therebetween. When installing a shower head, an escutcheon plate is adapted to be slid over the shower arm to engage peripheral fingers of the adapter to secure the escutcheon in place. A shower head is then threaded onto the shower arm to complete the installation.

Abstract: A flow divider for use in a gas burner assembly supported in an opening in a furnace wall has injected fluid, such as gas and/or air, flowing through an inner burner pipe then outwardly through a plurality of openings for burning along the surface of a wall thus providing a near uniform radiant heat energy to the furnace. The flow divider has a plurality of nested members and a plurality of in-line members to divide the flowing gas and/or air to improve distribution and to promote more uniform mixing of the gas and air.

Abstract: A pull-out spray head, which is connectable with a faucet by a flexible hose, has a water conveyance body disposed within an outer enclosure. The water conveyance body has a cavity which is arranged substantially transversely to the water delivery direction, has an opening facing toward the water intake duct defined by the body, and is divided into two facing portions on opposite sides with respect to the opening. Each facing portion has a water delivery port connected, respectively, to the peripheral ports and to the central port of a disk which locks the body within the enclosure. One of the facing portions is provided with a hollow plug or slider which includes a port for connection to the water delivery port of that one facing portion. A flow control element is positioned within the body and has a rod which protrudes outwardly of the enclosure so as to be connected to an actuation lever.

Abstract: A showerhead has a water-exit element, a button pivotally received in the water-exit element, a moveable flapper disposed inside the water-exit element, and a water-separating plate and a nozzle cover placed in front of the moveable flapper. The button and the valve are able to control water to flow in a selected passage and create a particular type of shower jet. By adjusting the button, different kinds of shower jets can be easily selected. The controlling device, that is, the button and the moveable flapper, has a simple structure which is easy to manufacture and to repair.

Abstract: A unilateral or bilateral device which granulates torch cutting slag underneath the material and underneath the cutting torches (2), while synchronizing with the torch cutting machine (1), which is equipped with new nozzle assemblies slightly tilted outwards, the nozzle assemblies being arranged in a new way with shroud-spraying nozzles (11) and new jet-spraying nozzles (10) at low, work specific inlet pressures and a comparably low requirement of water. Very good granulation results with regard to the torch cutting slag produced during the torch cutting procedure. At the same time the nearby components are protected from slag fouling, the slag can be removed without any problems, and exhaust gases can be purified owing to the floating particles being washed out therefrom.

Abstract: An apparatus for creating a fine liquid mist includes a container capable of holding fluid; one of a perforated basket and a porous bag disposed in the container; a liquid supply connector connected to the container; a mixing chamber connected to the container; and at least one convergent/divergent nozzle connected to the mixing chamber. A method of forming an effervescent fine liquid mist includes mixing liquid and chemical reactant to form non-toxic, noncombustible gas bubbles; mixing the liquid and the gas bubbles to form a two-phase fluid flow; and directing the two-phase fluid flow through at least one convergent/divergent nozzle.

Abstract: An apparatus for creating a fine liquid mist includes a container capable of holding fluid; one of a perforated basket and a porous bag disposed in the container; a liquid supply connector connected to the container; a mixing chamber connected to the container; and at least one convergent/divergent nozzle connected to the mixing chamber. A method of forming an effervescent fine liquid mist includes mixing liquid and chemical reactant to form non-toxic, noncombustible gas bubbles; mixing the liquid and the gas bubbles to form a two-phase fluid flow; and directing the two-phase fluid flow through at least one convergent/divergent nozzle.