Abstract: A nozzle has a front, a back, and at least one flat surface extending therebetween. A door is coupled to the intersection of the front and flat surface by a live hinge. Optionally, the door has a portal within which a screen is mounted. The exterior surface of the door is provided with one or more curved hooks and the flat surface is provided with corresponding number of mating slots with which the hook(s) engage(s). Preferably, the interior of the door is provided with one or more curved hooks and a corresponding number of mating slots are provided on the front of the nozzle on an edge opposite the live hinge. Preferably, the door is provided with a tab which extends outward beyond the periphery of the nozzle on the edge of the door opposite the live hinge.

Abstract: A pendent type residential fire sprinkler is described. The residential fire sprinkler has a body with a K-factor of at least 6 passage coupled to a deflector assembly that distributes fluid flowing through the passage over a coverage area to perform in accordance with Underwriters Laboratory Standard 1626 (October 2003) for listing by Underwriters Laboratory Incorporated so that the body and a heat responsive trigger disposed between the passage and the deflector assembly of the sprinkler can be installed in accordance with the 2002 Edition of National Fire Protection Association Standards 13, 13D, and 13R. Various aspects of the residential fire sprinkler, including a method of protecting a residential dwelling unit are described.

Abstract: An atomizer nozzle (1) for fuels, in particular for feeding them into a chemical reformer for obtaining hydrogen, has a nozzle body (2) containing spray-discharge orifices (3) that discharge into a metering space, and has at least one metering aperture (6). The spray-discharge orifices (3) are situated at elevation levels (4) so as to have a radial directional component with respect to a center line (10) of the nozzle body (2), each elevation step having at least one spray-discharge orifice (3), and the spray-discharge orifices (3) of at least one elevation level (4) being connected to at least one channel (14) of a nozzle-body insert (5) that has at least one flow-through opening (11).

Abstract: A gas combustion apparatus of a laundry dryer is provided, by which an initial ignition power is improved to enhance an ignition property. The gas combustion apparatus includes a gas supply; a mixing pipe, having a mixing passage extending from an inlet end to an outlet end, for mixing the supplied gas with primary air, the primary air and gas entering the mixing passage at the inlet end and a gas-and-air mixture exiting the mixing passage at the outlet end; and a flame holder, disposed at the outlet end of the mixing pipe, for separating the gas-and-air mixture exiting the mixing pipe into a complex plurality of jetted streams.

Abstract: A deflector at the downstream end of a fuel tube deflects incoming fuel into an annular fuel channel in a fuel swirler of an injector. The deflector prevents direct impact of the cooler fuel on the exposed walls of the swirler body. The deflector can be formed by a tab or other integral portion of the heatshield, or as a separate piece fixed to the heatshield or swirler body. The deflector minimizes disruption of flow through any flow slots that are covered by the deflector, and may have i) a relatively small circumferential extent, such that the deflector covers only a few flow slots, ii) flow openings or slots that allow a portion of the fuel to flow inwardly of the deflector into the otherwise covered flow slot(s), or iii) a space or gap between the side(s) of the deflector and the inner walls of the annular channel.

Abstract: A sprinkler head assembly includes a sprinkler head body, a frame including a pair of arms extending from the body from opposed sides of the body, and a deflector mounted to the frame spaced from the outlet opening of the sprinkler head body for deflecting fire extinguishing liquid flowing from the outlet opening. The sprinkler head assembly is adapted to direct a greater proportion of the fire extinguishing liquid from one side of the sprinkler body than the other side of the sprinkler body.

Abstract: A fluid delivery device for delivering fluid to the backside of a substrate while minimizing waste is provided. The device includes an inner cylindrical tube having a top opening and a bottom opening. An upper cap overlying a top portion of the inner cylindrical tube is included. The upper cap is moveably disposed over the inner cylindrical tube. The upper cap includes a top with at least one hole defined therein. The top includes a sidewall extending therefrom. A system and a method for reducing an amount of a cleaning chemistry applied to a backside of a wafer during a cleaning operation are also provided.

Abstract: A nozzle for a low pressure fuel injector that improves the control and size of the spray angle, as well as enhances the atomization of the fuel delivered to a cylinder of an engine.

Abstract: A foam producing nozzle for attachment to a spray nozzle which is readily attached and removed therefrom. The foam producing nozzle has air channels which do not lend themselves toward leaking. The dilution rate of the chemical concentrate is not affected by the foam producing nozzle.

Abstract: The sprinkler includes the following structural members: a body (1) with a channel for liquid supply, a thermally responsive unit with a valve (4) closing the sprinkler outlet, and a thermally responsive unit attachment. In the first alternative embodiment a sprinkler channel is formed by a segment (10) of a cylindrical configuration connected with a segment (11) made as a conical diffuser. To generate a fine uniform gas-and-drop stream of a high kinetic energy and space-uniform distribution the cylindrical segment (10) length exceeds the channel diameter at this segment. The segment (11) length in the form of conical diffuser exceeds the channel diameter at the cylindrical segment (10). In the second alternative embodiment the sprinkler has two coaxial liquid supply channels. The length of the axial cylindrical channel exceeds its diameter. The second annular channel is coaxial to the first channel and fitted with helical guide components.

Abstract: The present invention provides a nozzle capable of easily removing an aspiration object (residual solidified object) and an aspirator equipped with such a nozzle. This nozzle is connected to the aspirator and is used to aspirate the aspiration object. The nozzle comprises: a nozzle body including an opening, which can be opposed to a surface with the residual aspiration object, and a suction port for aspirating the aspiration object; and a liquid injection mechanism, which is provided at the nozzle body, for ejecting liquid toward the aspiration object.

Abstract: The present invention comprises an extension tube that attaches to the bore end of a water jet producing device that is used to render safe improvised explosive devices by disrupting the firing train of said devices. The present invention comprises an extension tube having a sudden enlargement of cross section, that may be formed by adjusting the dimensions of the interior diameter of the extension tube, at the point of attachment, and a series of apertures in the attachment tube. The extension tube provides a more uniform jet of water with more focused energy by containing the jet until breech pressures are vented. Better control of the water jet will be maintained during firing operations. Further, more energy may be put into the water jet to accomplish specific tasks.

Abstract: A fire protection sprinkler system for metal buildings has horizontally oriented sprinkler heads mounted on water supply lines extending along each side of rafters supporting the roof of a metal building so as to provide protection for bays between adjacent rafters having a width up to 25 feet or more. The sprinkler heads have a vertical part facing an outlet in a sprinkler body and a hood-shaped part supported from the vertical part and having downwardly inclined side walls and a downwardly inclined front wall. The deflector arrangement is supported from the sprinkler body by a pair of frame arms which converge at a boss on which the vertical part is mounted and another deflector part having rearwardly inclined arms extending horizontally, downwardly at an angle and substantially vertically, is supported between the boss and the vertical part of the deflector.

Abstract: A sprinkler discharges a column of water downwardly onto a deflector that has a plurality of peripheral tines with a respective non-radial tapered notch separating each adjacent pair of tines. Opposed cutouts with tabs in the central portion of the deflector combine with the notches and with depressed peripheral tabs to produce a predetermined spray pattern.

Abstract: A horizontal sidewall sprinkler head includes a tubular body with an inlet opening communicated with a source of water and an outlet opening normally closed by a valve member, and a cylindrical frame connected to the body. A deflector is disposed in the frame and is movable between retracted and extended positions. A thermally responsive assembly is mounted to the frame to urge the valve member in sealing engagement with the outlet opening. The thermally responsive assembly is activated to release the valve member when the ambient temperature exceeds a predetermined value. A deflector guide includes a ring movably disposed within the frame, a pair of parallel struts axially extending from the ring, and a pair of parallel stabilizer arms axially extending from the outer periphery of the ring. The stabilizer arms have a proximal end connected to the ring, a distal end and an elongate intermediate portion extending between the two ends. The intermediate portion has an area less than that of the distal end.

Abstract: An atomizer includes a plenum having an open first end with a diameter greater than that of a second end of the plenum. An inlet defined in the second end of the plenum. The inlet communicates with an inner periphery of the plenum and connected to a water source. A sprayer is attached to the open first end for closing the plenum and has multiple through holes defined therein. An atomizing device is securely attached to the sprayer opposite to the plenum. The atomizing device includes multiple nozzles each co-axially aligning with a corresponding one of the multiple through holes. The nozzle includes a skirt extending from the atomizing device. Each nozzle has at least two awls laterally and radially extending from an inner periphery of each of the skirt to centrally define a passage that co-axially aligning with a corresponding one of the through hole.

Abstract: A fire extinguishing spray nozzle connected to a vertical pipeline includes a nozzle body with a plurality of micro apertures formed on a lower inner circumference thereof, and a nozzle cap connected to the nozzle body and having a guide line and orifices. The orifices of the nozzle cap communicate with a chamber formed between the nozzle body and nozzle cap, so that water supplied from the vertical pipeline flows to the orifices through a guide line. The nozzle body has a female threaded portion on an inner circumference of a connecting line, and the nozzle cap has a male threaded portion on a protruded portion thereof, so that the nozzle cap is threadedly engaged to the nozzle body.

Abstract: A novel flow deflector employed in a fluidized bed reactor for olefin polymerization is disclosed, which is installed on the entry conduit of the reactor, comprising an annular plate and a cone plate and providing at least three paths for the recycle stream to enter the mixing chamber, thereby permitting all the liquid and/or solid material to achieve a more complete and uniform mixing.

Abstract: A fluid delivery device for delivering fluid to the backside of a substrate while minimizing waste. The device includes an inner cylindrical tube having a top opening and a bottom opening. An upper cap overlying a top portion of the inner cylindrical tube is included. The upper cap is moveably disposed over the inner cylindrical tube. The upper cap includes a top with at least one hole defined therein. The top includes a sidewall extending therefrom. A system and a method for reducing an amount of a cleaning chemistry applied to a backside of a wafer during a cleaning operation are also provided.

Abstract: A choke for reducing spray of fuel exiting a fuel dispensing system nozzle spout having an annular frame positioned within the spout adjacent the output opening. The choke has a concentric hub connected to the frame by three, relatively narrow struts positioned equidistant around the hub. The hub has a solid, cylindrical fore section tubular aft section. A duct extends from the tubular aft section, through one strut and the frame, to the sensing port. Fuel flowing through the spout toward the output opening, it is slowed and divided into three streams by the choke, flows along the hub fore section and converges, compressed and linearly aligned, at the output opening of the spout to reduce spraying of fuel at the output opening of the spout and avoid unwanted shut-off.

Abstract: The showerhead (10) includes a main housing (12) that forms the central supply inlet (16), a supply passage section (20) for the central inlet and a peripheral deflector (22). A disc (26) is applied to the main housing (12). The Venturi passages (40) are made up between housing (14) and the disc (26). A showerhead (10) is intended to deliver an aerated stream of water that has passed through and has been aerated by Venturi passages 40. The Venturi passages (40) radially extend from the supply inlet (16) toward the periphery (22) of the head (14). An air intake passage (44) communicates with the ambient exterior and also communicates with the Venturi passage between its nozzle (50) and diffuser (52). The deflector (22) is arranged to divert the aerated stream of water coming out of the individual Venturi passages in order to deliver them in substantially axial direction perpendicular to the plane (29) of the showerhead.

Abstract: A spray nozzle is disclosed which includes an elongated nozzle body having an axially extending interior chamber and at least two radially extending air inlet ports communicating with the interior chamber. An elongated fluid inlet fitting having an axial fluid inlet passage is axially disposed within the interior chamber of the nozzle body. A fluid distribution insert is axially disposed within the axial fluid inlet passage of the fluid inlet fitting. The fluid distribution insert has an axial impact chamber formed therein, and an axial fluid feeding orifice which communicates with the axial impact chamber. An air swirling insert is disposed within the nozzle body. The air swirling insert has an interior bore for receiving the fluid distribution insert, and a fluid mixing orifice communicating with the fluid feeding orifice of the fluid distribution insert. A fluid metering insert is axially disposed within the impact chamber of the fluid distribution insert.

Abstract: A sprayer nozzle device includes a housing having an orifice of a reduced diameter formed in an upper plate for reducing and economizing outward flowing water. The housing includes a number of apertures formed in the lower peripheral portion for diverging and outwardly and widely spraying the water. A shield is disposed in the middle and bottom portion of the housing for shielding the middle and bottom portion of the housing, and includes a cone having a cusp directed toward the orifice of the upper plate for guiding the water to the peripheral apertures of the housing.

Abstract: In the typical embodiments described in the specification, a sprinkler arrangement for protecting stored documents has a sprinkler body with an orifice providing a K factor in the range from about 1.1 to about 2.7, a pair of frame arms terminating in a boss from which a glass bulb supports a cap in position to seal the orifice in the passage, and a pair of closely spaced substantially planar deflector members having a peripheral edge spacing in a range from about 0.01 inch to about 0.60 inch. The deflector member closer to the axial passage has a plurality of slots permitting some water to pass into the space between the deflector members where it generates a very fine droplet mist and some water to be distributed outwardly in the form of fine droplets to carry the mist away from the sprinkler. A recess formed in the surface of the second deflector member facing the first deflector member provides a cavity which promotes atomization and generates turbulence.

Abstract: A large orifice ESFR sprinkler arrangement has a sprinkler body with a frame supporting a deflector in spaced relation to an orifice in the sprinkler body. The orifice is selected to provide a K factor of at least 16, preferably 19 to 25, and desirably 22. The deflector has a planar surface facing the sprinkler body and is formed with twelve equally spaced radially extending slots each of which has sides which diverge outwardly at an angle of about 7.5° with respect to the center line of the slot. A projecting member mounted on the deflector and facing the outlet orifice in the sprinkler body has a convexly curved outer surface extending from a tip disposed on the sprinkler axis downwardly and outwardly to a cylindrical portion having an outer diameter which is about 98% of the diameter of the base circle at the inner ends of the slots.

Abstract: In the typical embodiments described in the specification, a sprinkler arrangement for protecting stored documents has a sprinkler body with an orifice providing a K factor in the range from about 1.1 to about 2.7, a pair of frame arms terminating in a boss from which a glass bulb supports a cap in position to seal the orifice in the passage, and a pair of closely spaced substantially planar deflector members having a peripheral edge spacing in a range from about 0.01 inch to about 0.60 inch. The deflector member closer to the axial passage has a plurality of slots permitting some water to pass into the space between the deflector members where it generates a very fine droplet mist and some water to be distributed outwardly in the form of fine droplets to carry the mist away from the sprinkler. A recess formed in the surface of the second deflector member facing the first deflector member provides a cavity which promotes atomization and generates turbulence.

Abstract: An automatic flush sprinkler side wall sprinkler assembly includes a sprinkler body, a deflector, a closure member, and a trigger assembly. The deflector is movably mounted to the sprinkler body between a retracted position wherein at least a portion of the deflector is recessed within a cavity of the sprinkler head body and an extended position wherein the deflector is spaced from an outlet opening of the sprinkler head body for dispersing pressurized fluid which flows from the outlet opening. The deflector includes at least two horizontal deflecting surfaces which are positioned spaced from and generally parallel to a direction of flow of the fluid from the outlet opening for directing the flow of fluid outwardly and downwardly from the sprinkler assembly and, further, are provided on a common side and spaced from a central axis of the deflector. The closure member is positioned between the deflector and the outlet opening for sealing the outlet opening.

Abstract: A water diffuser for an automatic fire sprinkler system to be used when the sprinkler system is drained or tested. The water diffuser has a plurality of diffuser plates with decreasing diameter holes in their centers for dispersing water over a greater area, thereby reducing erosion and damage to the landscaping and/or grass.

Abstract: A spraying nozzle is described which is provided with an outlet opening for forming a liquid jet and with an impact surface which is arranged behind this outlet opening in the flow direction, for generating a spray fan. The impact surface is constructed as a convexly curved surface of a tongue extending from the outlet opening into the liquid jet, the impact surface also being set at a setting angle &agr; with respect to the axis of the liquid jet emerging from the outlet opening.

Abstract: Disclosed is a showerhead and a liquid raw material supply apparatus using the same. The liquid raw material supply apparatus comprises a carrier gas supply tube for supplying a carrier gas, a precursor supply tube connected to a given portion of the carrier gas supply tube, for supplying a precursor of a liquid state, a liquid mass flow controller installed at a given portion of the precursor supply tube, for controlling the supply amount of the precursor, and a showerhead including a first baffle connected to an end portion of the carrier gas supply tube facing the end portion of the carrier gas supply tube, the first baffle has a plurality of holes for spraying a misted precursor at the bottom of the showerhead. A second baffle is installed below the first baffle.

Abstract: An upright-type fire protection water spray mist nozzle has a base defining an orifice through which fire-retardant fluid can flow, an inlet section having an upstream end and defining a conduit for flow of fire-retardant fluid along a orifice axis and leading to an upstream end of the orifice, with a diffuser element defining an impingement surface that is at least substantially imperforate in an axial direction and positioned for impingement by a stream of fire-retardant fluid flowing from the orifice in a stream direction along the orifice axis, the diffuser element being positioned generally above a horizontal plane through a downstream end of the orifice.

Abstract: A faucet spout, for example a roman tub spout, includes a spout body with a water passage in the body. The water passage has a discharge end and there is a stream former positioned at the discharge end of the water passage to form water flowing from the faucet spout into a hollow water curtain. The stream former includes a centrally positioned disk defining an annular flow path with an interior wall of the water passage. The disk has arms which extend outwardly therefrom and interlock with a recess on the water passage interior wall to mount and position the stream former at the discharge end of the spout.

Abstract: A nozzle assembly for a gas burner includes a nozzle body having a tip end and an open end in which three netted members and a stop ring are received. An aperture is defined through a periphery of the nozzle body and the aperture communicates with an interior of the nozzle body and the open end. A space is defined between two adjacent netted members so as to provide a space for mixing gas and air.

Abstract: In the particular embodiment disclosed in the specification, a sprinkler has a sprinkler body with a passage having an orifice providing a K factor of about 3 to 6 which is normally closed by a cap retained in position by a glass bulb thermally responsive element. A deflector spaced from the orifice and supported from the sprinkler body by a pair of frame arms has a circumferential array of tines separated by radial slot-like openings and two openings located in the plane in the frame arms have a length greater than that of the other slot-like openings while four openings located at 45° to the plane of the frame arms are shorter than the other openings. The openings in the plane of the frame arms have a width of about 25% to 75% of the width of the frame arms adjacent to the deflector and a root diameter of about 150% to 300% of the width of the frame arms adjacent to the deflector.

Abstract: A nozzle, and hydrocarbon conversion process using the nozzle for atomizing heavy feed to conversion zone, are disclosed. A liquid feed stream is atomized by radial out-to-in impingement of atomizing vapor, discharged onto an imperforate central region of a perforated plate in one end of a nozzle barrel, then sprayed through an outlet in the other end of the nozzle barrel. Preferably two perforate plates are used, a first at one end of the nozzle barrel and a second between the first plate and the outlet, which is preferably an elliptical orifice.

Abstract: The development pertains to a powder gun spray nozzle (10) comprising a nozzle capable of attaching to a powder spray gun (20) having a center hole (16) and an inner (14) and an outer ring (12) of spaced apart holes in the nozzle, each hole of the inner ring being spaced equidistant from each other and each hole of the outer ring being spaced equidistant from each other, each hole being cut at an angle (18, 20) from center of the nozzle sufficient to give a swirling effect to the powder being shot from the nozzle.

Abstract: A shower head has a first chamber defined in part by an outer wall or body and having an entrance bush to receive a supply of water which is deflected into the first chamber by a baffle on spaced legs depending from the bush. The shower head has a second chamber comprising an upper conical wall formed with a ring of openings therein through which water can pass from the first chamber into the second chamber. The second chamber has a lower wall or spray plate with fine water outlet apertures and also has an external peripheral rim at the level of the spray plate. The second chamber is a one-piece unit in which the upper conical wall is secured to the baffle by a screw threaded bolt acting to pull the second chamber into the first chamber and clamp the peripheral rim against a sealing ring pressing on an internal annular shoulder of the outer wall or body.

Abstract: A fuel injection nozzle or fuel injector valve has a nozzle body, extending along a longitudinal axis, on which is configured a valve seat surface which coacts with a valve closure surface configured on a valve closure element to form a valve seat. At least one fuel stream, which has a radial directional component with respect to the longitudinal axis of the nozzle body, is sprayed out when the fuel injection valve or fuel injector nozzle is in an open state. A sleeve body axially overlaps the fuel stream in the direction of the longitudinal axis. The sleeve body has at least one impact surface which the fuel stream strikes. The impact surface is inclined at a predefined angle with respect to a vertical plane which runs vertically with respect to the longitudinal axis, and/or the impact surface is structured in fluted fashion on its surface.

Abstract: A combination convection and steam oven having a three stage atomizer for breaking up supply water prior to vaporization. The atomizer includes a motor-driven fan having an atomizer cup at its hub which revolves with the fan about an axis of rotation. The atomizer cup has rectilinear or concave walls defining pockets having lengthwise slots at their corners. As the atomizer cup is rotated, supply water is fed into the cup so as to impact the inner surfaces and shear as it exits through the slots under centrifugal force, which directs the water through the fan blades. The supply water thereby is broken up by three separate actions prior to vaporization.

Abstract: An improved sprinkler spray head is provided for delivering irrigation water to surrounding vegetation, wherein the spray head delivers the irrigation water in the form of one or more discrete streams of selected pattern over a broad range of water supply pressures and substantially without undesirable pattern distortion such as atomization or fogging. The spray head comprises an upper deflector plate mounted on a base ring which is adapted in turn for mounting onto the upper end of a water supply riser. The deflector plate and base ring cooperatively define multiple internal flow paths each including a selectively opened flow port for water flow from the riser to an associated one of a plurality of spray nozzles.

Abstract: In a steam oven suitable for cooking foods, for example, with a fixed distributor for the water to be evaporated, air is aspirated to form a central flow of aspirated air by a cylindrical fan and is discharged radially at the periphery toward heating elements. Water is fed into the interior of the fan by an inlet pipe and distributed in the depthwise direction of the fan by a distributor structure including a pipe end section having a lateral slot and a fixed inclined distributor plate. The invention applies to steam oven suitable for cooking foods, and assures good distribution of the water over all the heating elements so that it is evaporated.

Abstract: An apparatus for manufacturing carbonated water according to the invention can quickly produce carbonated water with a high carbonic acid gas content which does not easily lose carbonic acid gas and hence satisfactorily stimulates the throat with agreeable pungency. Since it has a simple configuration and hence is economic and effective, it can suitably be used in a carbonated beverage supplying apparatus such as an automatic vending machine, an automatic dispenser or the like. With such an arrangement, the apparatus improves its safety and hence can constantly supply delicious carbonated water.

Abstract: A sprayer, such as an electrostatic rotary bell-shaped sprayer is made from a material comprising carbon fiber, teflon and polypropylene. An exemplary material comprises about 30% carbon fiber, about 5% teflon, and about 65% polypropylene. When used for electrostatic spraying, the sprayer provides a mist containing an electrical charge equal to at least 20% of the charge applied to the sprayer. For example, when 100,000 volts are applied to the sprayer, the downstream mist contains a charge of at least 20,000 volts. The sprayer can also include a plurality of pits arranged near its outer edge in an offset matrix pattern producing therebetween two sets of intersecting surface lines. The sprayer can further include a deflection part with a pointed rear center section positioned opposite an opening in a base part. A plurality of axial passages positioned around the pointed section and extending toward a front surface of the deflection part allow for the passage of cleaning fluid therethrough.

Abstract: An upright-type fire protection sprinkler with a body defining an orifice and outlet for flow of fluid, and a deflector positioned coaxial with the outlet for impingement of fluid flow thereupon, has one or a combination of the following features for improved performance. The deflector may have an inner surface with a recessed central area, and a recessed redirecting area about the central area at a predetermined acute angle and axial offset thereto. The deflector has tines with inner surfaces inclined towards the outlet, at least a first set of tines disposed in planes at about 45.degree. to a first plane of sprinkler frame arms, the surfaces of the first set of tines being inclined at an angle relatively more outward from the axis than the angle of inner surfaces of adjacent tines.

Abstract: A pendent-type diffuser impingement water mist fire protection nozzle has a body defining an orifice and an outlet for flow of water from a source. The orifice defines an axis, and the outlet is disposed generally coaxial with the orifice. A diffuser is disposed generally coaxial with the axis of the orifice and defines a diffuser inner surface positioned for impingement of the flow of water thereupon and an opposite outer surface. The diffuser has a plurality of tines distributed about a diffuser periphery and defining a plurality of openings therebetween. The diffuser inner surface defines at least one channel extending along the inner surface of the diffuser toward a predetermined region of the diffuser periphery, preferably positioned to collect water impinging thereupon and to divert collected water toward the predetermined region of the diffuser periphery.

Abstract: The horizontal sidewall sprinkler has a sprinkler body with a passage having an outlet and a deflector with a vertical portion supported forwardly of the outlet by a diverging boss at the culmination of frame arms extending from the sprinkler body and a generally horizontal portion with a planar lower surface supported above the vertical portion by integral strips having a reverse curvature. The generally horizontal deflector portion is inclined upwardly from the sprinkler axis at an angle between 0.5.degree. and 5.degree. and the vertical deflector portion has an opening extending across the width of that portion beneath the planar surface of the horizontal portion. The vertical portion also has a central opening beneath the sprinkler axis with a forwardly directed upwardly inclined tab and two further openings on opposite sides with rearwardly directed tabs to distribute liquid in the region beneath the sprinkler.

Abstract: A sidewall fire sprinkler head includes a frame with tubular body and a deflector supported from the frame. The deflector has a face portion, generally planar, which is supported generally perpendicularly to a longitudinal central axis of the frame, and a generally planar canopy portion, which is supported from the face portion on an upper side of the face portion and oriented generally horizontally when the sprinkler is installed. An opening between the face portion and the canopy portion permits water to pass through the deflector and be directed by the canopy portion to the remote side of the protected area directly opposite the sprinkler from the remote corners of the protected area. At least one additional opening is provided on the lower side of the face portion below the central axis.

Abstract: A foamer nozzle assembly has a foaming barrel defining a turbulence chamber for creating foam upon actuation of the trigger of a trigger sprayer as the conical spray impacts against the smooth inner surface of the barrel as so to emerge as loosely compacted, large foam bubbles having a relatively wide foam spread. A foaming grid in the form of an offset rectangular mesh screen is mounted on a hinged panel for movement between operative and inoperative positions. In the former the grid lies coaxial with the discharge orifice and provides a supplemental foam generator for breaking up the foam bubbles into finer and more concentrated foam having a relatively smaller foam spread. The grid comprises first and second sets of ribs lying in first and second parallel planes, the ribs of the first set being contiguous to the ribs of the second set, and the ribs being mutually spaced apart to define uniformly sized openings therebetween.

Abstract: A foamer nozzle assembly combines a turbulence chamber with a foam enhancer comprising a plurality of spaced ribs defining uniform openings, the ribs having flat surfaces lying perpendicular to the inner wall of the chamber for further generating foam as the foam bubbles impact against such flat surfaces to further mix with the air in the turbulence chamber.

Abstract: A foamer nozzle assembly has dual screens of intersecting strands in spaced sets of strands, the strands of one set being offset relative to the strands of the other set for establishing two turbulence zones as the flow direction of spray particles is deflected when passing through the first screen and as the flow direction of the spray particles is further deflected when passing through the second screen. The screens are located in a cylinder of the assembly which may or may not define a turbulence cylinder depending on the spacing of the screens from the discharge orifice. The screens may be spaced apart a given distance to establish a turbulence zone therebetween.