Abstract: Multiple nozzle spray head apparatus includes a base element and a nozzle selector plate rotatably secured to the base element. Different nozzle tips may be secured to the nozzle selector plate for delivering different quantities of spray. The nozzle selector plate includes a blank portion which represents or defines an off position for the apparatus. The nozzle selector plate may be rotated as desired to align a delivery port on the base element with a desired nozzle tip. Different embodiments of nozzle selector plates are disclosed. The base element may be secured to a quick disconnect unit for ease of replacement. The base element may include a groove which matingly engages locking elements on the quick disconnect unit, if desired.

Abstract: A header fabricated of a lightweight non-metallic material includes a pair of opposed ears which are adapted for sliding mated engagement within a channel support. The header includes reinforced ribs which present relatively planar surfaces with spaced openings that accommodate a plurality of spray nozzles.

Abstract: A decoking tool includes a valve body equipped with a pressurized fluid inlet and having a plurality of fluid passages, including drilling fluid passages extending substantially the full length of the valve body to conduct fluid to drilling nozzle sockets, and cutting fluid passages extending approximately half as far as the drilling fluid passages to conduct fluid to cutting nozzle sockets, the drilling and cutting fluid passages being disposed alternatingly on a circular locus about an axial centerline of the valve body. There are nozzles installed in the nozzle sockets. A diverter plate is interposed between the valve body and the pressurized fluid inlet and has axial fluid passages disposed on a circular path congruent with the circular locus, the disposition of the axial fluid passages being such that the passages align either with the drilling fluid passages or with the cutting fluid passages of the valve body.

Abstract: A method and an apparatus are provided for stopping a motor-driven pressure generating pump of a system for coating workpieces with atomized liquid coating material in case of an empty material reservoir or a leakage in a material supply from a material reservoir to the pump or from the pump to an atomizer. The pressure and/or the volume flow at the pump outlet and/or the speed of the pump piston or a value dependent thereon are continually measured. The measured values are then converted to electric signals to be input to an electronic analyzer and analyzed therein. If, during operation, the pressure and/or the volume flow drops below a predetermined value and/or the speed of the piston exceeds a predetermined value, the electrically controlled driving connection between motor and pump or the power supply to the pump motor will be cut-off by output signals from the electronic analyzer.

Abstract: In a fixed head burner (13), which may be used in the manufacture of optical fibers and preforms for optical fibers, a machined quartz nozzle (10) is provided for insertion into a threaded aperture (14) of the fixed burner head (13), the quartz nozzle (10) being sized to provide sufficient space between the quartz nozzle (10) and the burner head (12) to allow for relative differences in thermal expansion and contraction to prevent stress fracture of the quartz nozzle (10). A seating surfaces (85) is machined on the quartz nozzle (10) for contact with a machined surface (90) of the burner head (12), and the quartz nozzle is held in place by a spring (18) placed behind the quartz nozzle (10), the spring (18) being held in place by a threaded end cap (24). The secure retention of the quartz nozzle (10) within an aperture (14) in the burner head (12) is further aided by the pneumatic pressure of gases applied to a rear surface (20) of the quartz nozzle (10).

Abstract: The present invention provides a system for wet processing a wafer which includes a processing chamber, in which the wafer is processed, and a means for supporting and rotating the wafer about an upright axis within the processing chamber. A nozzle through which a flow of fluid is directed onto the wafer is positioned downwardly over the wafer. The nozzle includes a nozzle housing in communication with a fluid supply and at least two tubes forming angled extensions from the nozzle housing. Each tube has an inner end and an outer end and directs a fluid flow from the inner end through the outer end to a predetermined location on the wafer while the wafer is rotated within the processing chamber. The inner end of each tube has an angled opening larger than the diameter of the inner end of each tube and the diameter of the outer end of each the tube is larger than the diameter of the inner end which reduces the fluid pressure and increases the fluid flow rate.

Abstract: A misting system having a supply of a fluid, a feed line in fluid communication with the supply of the fluid, and at least one spray nozzle in fluid communication with fluid in the feed line for dispensing a fluid spray, wherein at least a portion of the exterior surface of the fed line is five-sided. Preferably, at least a position of each of four sides is perpendicular to the adjacent side and the fifth side is intermediate two of these sides to form an obtuse angle at the intersection thereof. The five-sided feed line of the present invention can be mounted so that it presents either a "square" or a "triangular" appearance so that the present invention provides an aesthetically-pleasing feed line that can be mounted to give two different appearances. The misting system also uses a first solenoid valve to spray intermittently and a second solenoid valve to decrease the pressure in the system after each spray cycle and to backflush the system filter.

Abstract: A coating apparatus comprises a spin chuck for holding and rotating a substrate, a header unit movable along a linear line connecting a position just above a center-of-rotation of the substrate, to a home position of the unit, a plurality of nozzles included in the header unit for discharging coating liquids to the substrate held on the spin chuck, the first nozzles having their respective nozzle ports arranged in line along the linear line, and a plurality of coating liquid supply means for supplying the coating liquids to the first nozzles, respectively.

Abstract: For cooling food products in a container, a distributor pipe for supplying liquid carbon dioxide extends into an interior of the container and a plurality of nozzles are arranged on the distributor pipe so that liquid carbon dioxide is discharged from the nozzles in jets extending substantially parallel to a longitudinal axis of the distributor pipe and against one another to collide at the midpoint between two neighboring nozzles.

Abstract: A sanitary nozzle mount for use with a filling apparatus for flowing food product includes elongated, hollow, slidably engageable inner and outer filling tubes and a spacer coupling adapted to secure the inner and outer tubes in axially spaced relation with one another. The tubes are adapted to secure therebetween a removable filling nozzle having a mounting portion having a generally circular cross-section and including an inwardly extending, circumferential mounting ring. The inner and outer filling tubes each include a mounting element extending outwardly therefrom, configured for engagement with the spacer coupling. The inner filling tube has a length dimension greater than the length dimension of the outer filling tube. The inner tube includes a nozzle receiving end which has a circumferential locking element and a guide element which are adapted to engage the nozzle mounting ring therebetween.

Abstract: A produce mister for misting produce in a display case. The produce mister has a bar extending the width of the display case and has nozzles for dispensing water at selected intervals. The bar has a small diameter conduit that minimizes the water within the conduit and assures that all of the water within the conduit is dispensed through the nozzles during a mist cycle. Multiple branch water lines are interconnected to the bar to ensure a uniform flow of water to all of the nozzles. The bar is arranged to be coupled to another bar by a sealing coupling and a locating pin to provide a bar of extended length.

Abstract: A gas-liquid contacting apparatus in which spray nozzles for spraying slurry solution upward are arranged in a tower body through which gas passes, wherein a liquid inlet portion of the spray nozzle is of a bell shape having a radius of curvature of 0.

Abstract: A container washing apparatus for washing containers such as beverage cans. An elongated liquid supply pipe includes a plurality of angled fittings connected along opposite sides of the pipe. Each fitting includes quick connect and disconnect structure on its outer end for mating with like structure of a fan spray nozzle. The fan spray nozzles may be turned onto the ends of the angled fittings in a quick twisting bayonet motion to align each of the elongated fan spray patterns parallel to one another and to the longitudinal axis of the pipe. In a preferred embodiment, the container washing apparatus is used in a washing system including a liquid permeable conveyor for moving a plurality of containers, such as beverage cans, past a plurality of elongated spray pipes of the invention which are mounted adjacent upper and lower sides of the conveyor in a perpendicular orientation relative to the movement of the conveyor.

Abstract: A spray apparatus includes a pump for pressurizing water, a drive unit for driving the pump, a flow regulator for regulating the flow of water pressurized by the pump, and a modular spray assembly. The modular spray assembly includes piping connected to the pump, a plurality of quick coupler units connected to the piping, and water outlets connected to the quick coupler units through which the pressurized water is sprayed, wherein the pressurized sprayed water creates a mist and a wind. The spray apparatus can be assembled in a tent-like structure to provide a rain room, wherein a mist and a wind are generated by the apparatus.

Abstract: A spray bar assembly (10) for a printing press (12) having a source of liquid, at least one nozzle (42) communicating with the source, a pair of opposed elongated side walls housing the nozzle (42), a support member extending along the side walls, and an end baffle extending between the side walls near an end of the side walls, with the baffle being movably mounted on the support member to longitudinally adjust the position of the baffle relative to the side walls.

Abstract: The object of the invention is to provide a new fire fighting equipment, which is more effective than prior art equipments. The fire fighting equipment of the invention comprises a spray head with a number of nozzles, each nozzle comprising a nozzle socket (24) with a mouthpiece (20) and a whirler (22) arranged to bear against it. The whirler (22) is supported in a housing (2) of the spray head in such a manner that the whirler is set in rotation by the liquid pressure.

Abstract: A fluidized bed reactor comprising a housing, and a nozzle grate disposed in the lower portion of the housing and serving to introduce a fluidizing fluid into the reactor. The nozzle grate consists of a plurality of approximately horizontally extending tubes and nozzles provided on such tubes. The tubes are detachably connected to the housing of the reactor and the housing of the reactor has at least one support for each tube, which support supports the tube as it is rotated about its longitudinal axis.

Abstract: A nozzle for a hot melt adhesive spray head which mounts directly to a nozzle mounting surface. To permit a series of spray nozzles to be mounted closely together, the nozzle has a threaded stud integral with and extending from the rear side of the nozzle. The adhesive passage in the nozzle mounting surface has a threaded bore for receiving the threaded stud of the nozzle. The nozzle includes a first O-ring seal to prevent the pressurized pattern air from leaking between the nozzle and the nozzle mounting surface. A second O-ring seal isolates the hot melt adhesive from the pressurized patten air at the interface between the nozzle and the nozzle mounting surface.

Abstract: An irrigation device including a first interior water path defining member and a second exterior water path defining member, cooperating with the first water path defining member to define a circuitous water path including sequential water path components extending generally in three mutually perpendicular directions.

Abstract: A spray nozzle assembly having a spray tip formed with an elongated, cylindrical chamber communicating with the liquid supply and being formed with a cross-slot which intersects the chamber at a location intermediate the ends thereof for defining a discharge orifice, a deflection surface on a downstream side of the discharge orifice for directing liquid in a direction transverse to the axis of the chamber, and a pocket extending downstream of the deflector surface. In one embodiment, the spray tip has a preorifice substantially smaller in diameter than the chamber adjacent an upstream end thereof, in another embodiment, the chamber is disposed with its axis at an angle to the vertical and the cross-slot extends upwardly in substantially vertical relation for defining a vertical deflection surface, and in still another embodiment the spray tip has a wear resistant metal insert.

Abstract: A fuel leakage protection system is disclosed for a gas turbine engine having a fuel system that has a plurality of fuel nozzles that are spaced around a combustor section, a plurality of fuel tubes that are connected to the fuel nozzles individually, two generally semi-circular fuel manifolds that are located aft of the fuel nozzles and that ar connected to the fuel tubes and a branch manifold that is connected to the fuel manifolds.The fuel leakage protection system comprises a collar assembly encapsulating each fuel supply fitting connecting a fuel tube to a fuel nozzle or the branch manifold to a fuel manifold to trap leakage fuel. A fuel collection manifold collects leakage fuel from the collar assemblies via a plurality of fuel return tubes that are connected to the manifold at one end and fluidly connected to the collar assemblies at the other end.

Abstract: A fluid jet cleaning system includes a nozzle body having an axis. A nozzle is adjustably mounted within the nozzle body, the nozzle disperses fluid streams along a centerline. An adjustment device adjusts a relative position between the centerline and the axis. The adjustment device includes longitudinally extendable rod members, configured to contact the nozzle to restrict motion of the nozzle towards each rod member. This adjustment system may be used in conjunction with regular fluid jet cutting systems or the abrasive cutting jet system. Abrasives are injected into the fluid within a chamber formed in the nozzle.

Abstract: An irrigation sprinkler nozzle for enhancing the distribution of close-in watering comprising a nozzle housing housing an inlet opening and an outlet opening with a tortious pathway therebetween for inducing turbulence into the water stream to produce a low pressure, small droplet size water spray.

Abstract: A large anti-vortexing nozzle is provided which may be used in a distribution system comprising multiple nozzles to uniformly distribute fluid to an underlying surface. The nozzle is non-clogging, operates at very low spray pressures, and evenly distributes fluid over a wide area due to its ability to eradicate vortex formations within the nozzle. The nozzle comprises a main body with integrally formed anti-vortexing ears extending upward from the top of the nozzle into the pipe and an underlying dual pyramid shaped deflecting apparatus. In operation, the nozzle produces consistent and continuous, multiple uniform flat planes of fluid because the nozzle now will not sputter, vibrate or induce air because ears on the nozzle eliminate vortex pair formations which are detrimental to nozzle performance.

Abstract: A self-cleaning spray nozzle and header system sprays liquid upon a predetermined area. As the liquids employed in such spraying operations are often contaminated by suspended particulate matter, blockages of the small nozzle orifice often occur. To clear such blockages and restore the nozzle to operation, a grooved piston forming part of the nozzle orifice is retracted from its seated position within the nozzle barrel. Once the piston is retracted, the barrel opens to its full diameter allowing lodged particles to be flushed away. Several nozzles mounted in tandem upon a fluid distribution pipe form part of a header system which can deliver, in the form of spray, large liquid volumes. The header system allows the self-cleaning function of several nozzles to be efficiently controlled by a single apparatus.

Abstract: A spray nozzle assembly having a spray tip formed with an elongated, axially extending cylindrical chamber communicating with the liquid supply and being formed with a cross slot which intersects the chamber at a location intermediate the ends thereof for defining a discharge orifice, a deflection surface on a downstream side of the discharge orifice for directing liquid in a direction transversed to the axis of the chamber, and a pocket extending downstream of the deflector surface a distance significantly greater than the diameter of the chamber.

Abstract: Disclosed is a water aerosol or fog-generating system comprising a pipe having a plurality of atomizing nozzles threaded to the walls thereof. The pipe has thin walls made from an alloy, preferably stainless steel, with nozzles affixed at various points along the piping. A plurality of pilot holes are provided at each nozzle location and the edges of each pilot hole are deformed inwardly by a punch so that more surface area is provided for threading the walls of the pilot hole. Preferably, the pilot hole has been reamed after punching and before the threads are made. An atomizing nozzle is mated with the threads on the punched and reamed hole. Also disclosed are seals to be placed between the nozzle and the exterior piping surfaces.

Abstract: A fuel rail for a side- or bottom- fed injector wherein the rail contains conductors, and the injectors are connected to the conductors simultaneously with the insertion of the injectors into through-holes in the rail.

Abstract: A sparger system for removing sodium chlorite crystal and other crystalline particulate material in slurry form from a tank car comprises a plurality of spray nozzles from which water is expelled as a flat spray initially to dissolve sodium chlorite so as to cavitate the mass of sodium chlorite crystals, which break off in lumps into the cavity and then to impact the walls and roof of the tank car to flush off residual sodium chlorite crystal. The slurry is collected in a sump and is discharged therefrom, with additional sprays agitating the sump to break up clumps of sodium chlorite and to maintain the particulates in suspension.

Abstract: A spray header and nozzle assembly which includes a first elongated tubular member and a second elongated tubular member of a smaller diameter than the first tubular member coaxially disposed within the first tubular member to form an annular space between the first and second tubular members and a plurality of spray nozzle assemblies in fluid communication with the inside of the second tubular member. The spray nozzle assemblies are perpendicularly disposed to the axis of both tubular members and recessed into the annular space. Also, the nozzle assemblies include a first tube extending a predetermined distance beyond the circumference of the first tubular member and a second tube of a smaller diameter than the first tube coaxially disposed within the first tube and recessed into the first tube.

Abstract: A nozzle, nozzle assembly and method for internally coating containers uses a dual orifice nozzle and method to direct divergent spray patterns at separate interior surface portions of the container where the coating liquid is most needed and to minimize misting, overspray and waste. The nozzle comprises a generally cylindrical body having a forward portion, a middle portion, a rear portion, a first conduit extending longitudinally therethrough terminating in a first opening disposed in the forward portion, and a second conduit extending longitudinally therethrough terminating in a second opening formed in the forward portion of the body. The first and second openings are oriented at an acute angle with respect to a central longitudinal axis of the nozzle to direct the separate sprays of coating liquid from the body generally in separate patterns diverging from the central longitudinal axis of the nozzle.

Abstract: A mixing head for high pressure mixing of reactive chemicals defines a mixing chamber for receiving and mixing oppositely directed impinging chemicals and having an outlet through which the chemicals are discharged after mixing. A separate tubular nozzle assembly for each chemical is replaceably mounted in the body of the mix head and has an inlet for receiving one of the chemicals and an orifice communicating with the mixing chamber. Each nozzle assembly includes a nozzle body and an annular sleeve or ring shaped orifice member of abrasion resistant material defining the orifice and a tubular support fabricated from a non-metallic material, e.g., an internally lubricated super polyamide, snugly spacing the annular orifice member from portions of the nozzle body defining the associated passage and also interfitting with the annular orifice member in supporting relation.

Abstract: An apparatus to remove rubber from airplane tires from an airport runway surface. There is a manifold arm which rotates at as high as two thousand five hundred rpms over the runway surface, with a plurality of water jets being discharged downwardly at a relatively high pressure (e.g. thirty five thousand P.S.I.) against the runway surface. Even though the water pressure as at a level several times higher than that at which damage to the runway surface can occur, at the relatively high linear speed of the water jets (e.g. ninety to one hundred eighty miles per hour), there is no noticeable damage to the runway surface, but yet there is quite effective removal of the accumulated rubber. Also disclosed is a particular shaft and seal assembly which is capable of operating at relatively high rotational speeds and delivering the high pressure to the manifold arm.

Abstract: A fastening arrangement for a fuel injector including a retaining clip is disclosed which secures the injector to a fuel rail in a manner so that the injector cannot rotate relative to the rail. The clip has flexible arms defining an opening which is adapted to receive a portion of the fuel injector thereby locking the fastener and the fuel injector together. The clip also has a pair of opposed walls with elongated slot openings therein positioned to snap over an edge of a receiving nipple of the rail structure thereby securing the fastener and the rail together. The clip includes a pair of arms extending into overlying engagement with the fuel rail to prevent rotation of the clip and attached fuel injector relative to the rail.

Abstract: A fuel delivery rail assembly for supplying fuel to a plurality of fuel injectors in an engine is provided. The assembly comprises an elongated conduit having a rectangular section and a plurality of tubular sockets. The conduit and each socket are tightly combined with a connection utilizing a caulking deformation of an annular extension, which is formed within either the conduit or the socket. A seal member is disposed between the surface of the conduit and the bottom side of each socket.

Abstract: A reinforced spray manifold for spraying liquid chemicals, suspensions and solutions upon workpieces such as printed circuit boards. The spray manifold comprises a generally rectangular periphery with a plurality of inner members disposed therein and fluidly connected thereto. The rectangular periphery and each of the inner tubular members include at least one longitudinally extending rib member formed thereon which is used to impart greater structural rigidity to the manifold. Spray nozzles mounted within the rib members at various points on the manifold provide for emanation at a desired spray pattern from the manifold. The configuration and interconnection of the various components of the manifold is specifically arranged and designed to prevent turbulence of fluid flowing therewithin and to promote even and continuous fluid pressure throughout the manifold.

Abstract: The shower pipe assembly of the present invention can be used in a washing device such as a rotary drum filter and comprises an elongate pipe member including means defining a hollow interior flow chamber, preferably located adjacent a washer device, for conveying a wash liquid, preferably a liquid for washing a pulp mat. The shower pipe includes at least one row of spray holes extending through the pipe from the interior flow chamber to the exterior thereof. It also comprises a spray diffusion flange assembly extending from the pipe member adjacent each of the spray holes and further includes apparatus for impermanently attaching the diffusion flange to, and detaching the diffusion flange from, the pipe member, preferably to the exterior of the pipe member. These attachment and detachment steps are carried out without the use of auxiliary internal connecting apparatus which are not part of the diffusion flange structure.

Abstract: A fuel delivery rail assembly for supplying fuel to a plurality of fuel injectors in an engine is provided. The assembly comprises an elongated conduit and a plurality of sockets. The conduit has a four-wall section consisting of a single aluminum wall and three steel walls. Opposing steel walls are provided with cavities for receiving edges of the aluminum wall. Abutment portions between the aluminum wall and the steel walls are mechanically shrinked from outside and combined tightly. The sockets are integrally formed with the aluminum wall through an aluminum die casting process. The steel walls can be made from a high damping steel element.

Abstract: A sparger system for removing sodium chlorate crystal and other particulate material in slurry or solution form from a tank car comprises a plurality of spray nozzles from which water is expelled as a flat spray initially to dissolve sodium chlorate so as to cavitate the mass of sodium chlorate chlorate crystals, which break off in lumps into the cavity and then to impact the walls and roof of the tank car to flush off residual sodium chlorate crystal. The slurry is collected in a sump and is discharged therefrom, with additional sprays agitating the sump to break up clumps of sodium chlorate and to maintain the particulates in suspension.

Abstract: A spray manifold for spraying liquid chemicals, suspension and solutions upon workpieces such as printed circuit boards. The spray manifold comprises a tubular pheriphery with a plurality of tubular inner members disposed therein and fluidly connected thereto. Spray nozzles mounted at various points on the manifold provide for emanation at a desired spray pattern from the manifold. The configuration and interconnection of the various tubular components of the manifold is specifically arranged and designed to prevent turbulence of fluid flowing therewithin and to promote even and continuous fluid pressure throughout the manifold.

Abstract: An electromagnetic fuel injector has an attaching clip that is integrally formed with the non-metallic electrical insulating material that is molded to surround the electrical terminals of the injector solenoid. The clip is resiliently pivotable on the injector body for releasable engagement with a fuel rail cup when the injector is inserted into the cup. Several versions of clips are illustrated. The invention eliminates the need for a separate metal attaching clip.

Abstract: The pressure chamber has a nozzle (10) with the outlet orifice communicating with a hole (16) surrounding the nipple such that it forms an annular gap (25) through which the steam issues to thereby sweep the liquid which issues through the nipple. According to the invention, the end (22) of the nipple has a guiding surface (26) leading the liquid which issues through its orifice towards the annular gap (25) to improve its sweeping by the steam. The improvements include a configuration (7, 17, 20) for an exact centering of the nipple (18) as regards the hole (16) of the nozzle (10), for example an intermediate portion of a through hole (6;6a . . . 6d) receiving it, with respective cylindrical surfaces (20, 17) of the nipple (18) and the nozzle (10) fitting with the ends of the intermediate portion. The injector is preferentially applicable to machines for continuous treatment of sheet materials, for example fabrics.

Abstract: An atomizing nozzle for use in a fluidized coating bed includes an elongated hollow tube defining a chamber therein, the tube including an atomizing end in fluid communication with the chamber and a supply end; an air supply port at the supply end in fluid communication with the chamber; a coating liquid supply port at the supply end, the coating liquid supply port being separated from the air supply port; and a flow control tube extending within the hollow tube between the liquid supply port and the atomizing end, for supplying the coating liquid to be atomized to the atomizing end, the flow control tube having an reduced diameter inner bore providing a controlled flow constriction to the liquid travelling from the liquid supply port to the atomizing end so as to supply the coating liquid from the coating liquid supply port to the atomizing end with a controlled flow constriction, such that there is no need to provide a metering pump or flow meter for each atomizing nozzle of the fluidized coating bed and co

Abstract: A clamping arrangement for quickly and easily mounting a spray nozzle on a support boom in predetermined orientation without the necessity for handling of separate fasteners and without disassembly of the nozzle. The clamping arrangement includes a pair of clamping elements that each have first cooperating portions for positioning about opposed sides of the support boom and second cooperating portions for positioning about opposed sides of the nozzle, and at least one of the clamping elements carries a fastener that is engageable with the other clamping element for securing the elements in mounted position on the boom with the nozzle captively held therein. The nozzle and clamping elements cooperate to both angularly and vertically orient the nozzle in relatively precise predetermined relation to the boom as an incident to such mounting.

Abstract: An improvement for centrifugal sifter units having an elongated sifting chamber having a central axis, a coaxial screen surface therein and a series of paddles mounted on a shaft driven for rotation about the central axis for urging siftable material through the screen surface to separate fines from overs, comprises a series of nozzles mounted on the shaft for rotation therewith. The nozzles are oriented to direct gas streams at the screen surface whereby agglutinating fines are dislodged from each other and are directed through the screen surface. A source of compressed gas is operatively connected to the nozzles. The gas streams may be ionized to further improve throughput.

Abstract: A two-head shower arm, of integral, one-piece construction, having a rectilinear, straight pipe and upstream and downstream depending pipe portions, all having the same inside diameters and possessing the inherent and self-contained functional attributes and qualities of substantially the same volumetric water discharges from both depending pipe portions, without recirculation, surge or hammer; and adapted for free-standing cantilever mounting relationship with an existing water supply outlet fitting in a shower enclosure's vertical side wall to dispose thereby shower heads carried by the depending pipe portions in the same horizontal plane in normal relationship with the vertical side wall.

Abstract: A lightweight vertical support stand for a water sprinkler head comprises a central support hub and at least five flexible elongate legs attached to the support hub. The legs are pivotally attached so that they can be positioned in an extended support position or can be gathered in a bundle for moving and storage. The support stands for the water sprinkler heads are used in an agricultural irrigation system in which lateral water conduits are provided at spaced positions across the area to be irrigated. Quick disconnect couplings are provided in the lateral conduits, and the support stands and sprinkler heads are adapted to be quickly engaged with the couplings in the lateral conduits.

Abstract: An atomizer comprises a cylindrical mixing chamber with open entry and discharge ends. An inner barrel for a slurry or fluidized dry powder is connected to the entry end for supplying the slurry or fluidized fine powder into the mixing chamber. One or more atomizing gas ports extend at an angle into the mixing chamber for supplying atomizing gas to be thoroughly mixed with the slurry or fluidized dry powder in the mixing chamber. The atomizing gas ports are spaced upstream from the discharge end by from one to five times the diameter of the mixing chamber, and downstream from the entry end. A larger diameter volume chamber communicates with the discharge end of the mixing chamber and has at least one nozzle which permits the homogenized mixture to exit therefrom. An impact surface is positioned opposite the discharge end. The at least one nozzle is positioned around the impact surface.

Abstract: A method for removing substances adhering to a surface such as a wall of buildings in which a nozzle head having a plurality of nozzles is rotated eccentrically and moved sidewardly when used. The diameter of each of the nozzles is selected so as to be within a range of 0.05 to 0.5 mm, the pressure to be supplied to the nozzles is 800 kg/cm.sup.2 or more, the total amount of water jetted from each of the nozzles is 12 l/min or less and the number of revolutions of the nozzle head is 800 to 4000 rpm.

Abstract: A low profile fuel injection rail assembly for supplying fuel to a plurality of electromagnetic fuel injectors on an internal combustion engine. The fuel rail assembly is characterized by a plurality of fuel sump chambers defined by linearly spaced apart nodular rail sections which are connected in series by a plurality of tubular rail sections having cross sectional openings of reduced size. Each sump chamber surrounds an injector socket recessed into the bottom of the rail or an injector receptacle recessed into the top of the rail. Fuel is supplied to the injectors through inlets in the sockets or receptacles. Fuel supply and return fitments are mounted at one end of the rail along with means for connecting a fuel pressure regulator having two coaxial fuel passageways.