Abstract: Provided is a toroidal continuously variable transmission that can create a jet of oil resistant to the influence of wind generated by rotation of a power roller, thereby feeding a sufficient amount of oil to the power roller to cool the power roller with the oil; and a drive mechanism-integrated electricity generation apparatus for an aircraft, the electricity generation apparatus including the toroidal continuously variable transmission. The toroidal continuously variable transmission includes a discharge structure including an outlet that discharges an oil. The discharge structure includes first and second oil passages connected with each other inside the discharge structure, and arranged such that the oil flowing through the first oil passage and the second oil passage collide with each other in the vicinity of the outlet and that a jet of oil discharged from the outlet forms a flattened shape extending along a rotational direction of the power roller.

Abstract: A sprayer nozzle cartridge for a sprayer nozzle apparatus of an agricultural sprayer is disclosed. The sprayer nozzle cartridge is adapted for coupling to a nozzle connector of the sprayer nozzle apparatus and for receiving a fluid from the sprayer nozzle apparatus. The sprayer nozzle apparatus includes an apparatus housing for supporting the nozzle connector and a control element configured to control fluid flow. The sprayer nozzle cartridge includes a cartridge housing. A plurality of nozzle tips having a plurality of flow paths are coupled to the cartridge housing. The control element selectively communicates fluid to at least one of the plurality of flow paths.

Abstract: The invention relates to a nozzle for spraying liquid, especially water in a snow production cannon. The nozzle consists of a cylindrical body 1 and a cap nut 2 having an axial spraying hole 5 connected from inside by means of an inlet cone 6 to a vortex chamber 7. Between the body 1 and the nut 2 a swirl insert 4 is mounted. The insert divides a fluid supply channel 9 having a partition wall 8 with at least two vortex channels 10. The swirl insert 4 has a flange 11 which fixes the insert axially between the nut 2 and the body 1 through a front 12 and a rare 13 scaling rings, and both of said rings have circular cross-sections. The front sealing ring 12 is mounted in a rectangular groove made on the face of the swirl insert 4 tangent to the face of the nut 2. The rear sealing ring 13 is mounted in a semicircular socket IS made at the inner corner of the rear surface of the flange 11.

Abstract: A sprayer nozzle apparatus of an agricultural sprayer is disclosed. The sprayer nozzle apparatus is adapted for receiving a fluid from a spray line of an agricultural sprayer. The sprayer nozzle apparatus includes an apparatus housing. A control element is rotatably coupled to the apparatus housing. A plurality of nozzle connectors having a plurality of supply paths are coupled to the apparatus housing. The control element is configured to receive fluid from the spray line and selectively communicate fluid to at least one of the plurality of supply paths of one of the plurality of nozzle connectors in a first position and to at least one of the plurality of supply paths of another of the plurality of nozzle connectors in a second position.

Abstract: An applicator assembly for mixing at least a first and second component is provided. The applicator assembly includes a manifold configured for operable engagement with at least a first and second source of component, the manifold including at least a first and second component channel therethrough, an elongated shaft extending distally from the manifold, the elongated shaft including at least a first and second component lumen extending the length thereof, the at least first and second component channels in fluid communication with the at least first and second component channels, a tip assembly defining a first chamber, an intermediate chamber and a final chamber.

Abstract: A spray button which is capable of spraying a content widely and decreasing the diameter of a sprayed particle. In the spray button comprising a spray button body and a nozzle body and having a rotation chamber, a spray orifice, and a plurality of spray grooves, assuming a diameter of the rotation chamber to be (D), a diameter of the spray orifice to be (Da), a width of a connection portion with the spray grooves and the rotation chamber to be (Dd), and a length from a stem-side sidewall of the nozzle body to a tip of the spray orifice to be (L), the relationships of D/Da>1, D/Dd?5, D/L?3 are satisfied.

Abstract: A fluid dispenser head including an inlet well (14), an axial assembly housing (2) in which there extends a pin (3), and a nozzle (4) assembled along an axis X in the axial assembly housing (2). The head also includes two feed ducts (15), each connecting the inlet well (14) to the axial assembly housing (2). The pin forms two swirl channels (35) connected in tangential manner to a swirl chamber (36). The nozzle is in sealing contact with the pin (3) so as to define two connection sections, each connecting a feed duct (15) to a swirl channel (35).

Abstract: An atomizer delivery manifold or spray head with an adjustable spray pattern tip is provided. The adjustable spray pattern atomizer is especially useful for delivery of fibrin glues, and enables a fluid admixture to be applied precisely to a specific site in a wide range of spray patterns.

Abstract: A multi-hole or cluster nozzle having several outlet openings for fluid to be atomized. The central longitudinal axes of at least two of the outlet openings are aligned askew relative to one another, where a distance between the central longitudinal axes of these outlet openings and the main longitudinal axis of the nozzle is initially reduced when seen in the outflow direction, without intersecting the central longitudinal axis, and increases again after passing through a minimum distance. Use for example in nozzles for evaporative cooling or for flue gas cleaning.

Abstract: An applicator for mixing and applying multi-component compositions to a work surface, such as two-component surgical sealants, while avoiding clogs, preventing cross-contamination of the components until a point of intended mixing at a location within the apparatus immediately upstream of an application opening in a tip cap, decreasing pressure drop along the applicator to facilitate fluid delivery, and increasing efficiency of mixing of the components. A luer hub sub-assembly having a proximal hub and a distal hub, an elongate, four-lumened cannula, and a spray tip sub-assembly are provided, with interconnections between the sub-assemblies preserving isolation of the fluid components from one another. The tip cap sub-assembly includes registration structure to assure proper alignment between tip cap and tip insert.

Abstract: A spray assembly for dispensing a mixture is provided. The spray assembly includes a connector configured for operable engagement with a first and a second source of component and a source of pressurized fluid, and a tip operably connected to the connector. The tip includes an opening and defines a mixing chamber between the connector and the opening of the tip, and an insert member configured to be received in the mixing chamber. The insert member includes a plurality of radially extending slots on at least one end of the insert. The plurality of radially extending slots is configured to mix the first and second components prior to the mixture exiting the opening in the tip.

Abstract: An applicator assembly for mixing at least a first and second component is provided. The applicator assembly includes a manifold configured for operable engagement with at least a first and second source of component, the manifold including at least a first and second component channel therethrough, an elongated shaft extending distally from the manifold, the elongated shaft including at least a first and second component lumen extending the length thereof, the at least first and second component channels in fluid communication with the at least first and second component channels, a tip assembly defining a first chamber, an intermediate chamber and a final chamber.

Abstract: A multi-point injector includes an annular body defining an interior annular flow passage. The annular body includes a fluid inlet and a plurality of circumferentially spaced apart fluid outlets in fluid communication with the interior flow passage. Each of the outlets has a swirl chamber formed within the annular body associated therewith for imparting swirl to fluid delivered thereto.

Abstract: The pressure swirl atomizing nozzle for spraying a curable composition comprises an orifice piece (16), which defines a funnel-shaped cavity and an exit orifice (17), and an injector piece (18) which closing off the funnel-shaped cavity so that the funnel-shaped cavity forms a swirl chamber (19) between a front side of the injector piece (18) and the exit orifice (17). The injector piece (18) comprises at least two swirl ports (20) which end in the swirl chamber (19) for injecting the curable composition therein and for thereby imparting swirl to the curable composition. Compared to the sum of the smallest cross-sectional areas of the swirl ports (20), the side wall (24) of the swirl chamber (19) has a relatively small surface area which is however still large enough to distribute the curable composition so as to achieve a uniform spray pattern. By the reduced size of the swirl chamber (19), the curable composition can be atomized more efficiently.

Abstract: A spray assembly for dispensing a mixture is provided. The spray assembly includes a connector configured for operable engagement with a first and a second source of component and a source of pressurized fluid, and a tip operably connected to the connector. The tip includes an opening and defines a mixing chamber between the connector and the opening of the tip, and an insert member configured to be received in the mixing chamber. The insert member includes a plurality of radially extending slots on at least one end of the insert. The plurality of radially extending slots is configured to mix the first and second components prior to the mixture exiting the opening in the tip.

Abstract: A fluid spray head comprising an expulsion channel (5) provided with a spray orifice (1) and a spray profile (10) formed in an end wall of said spray head, said spray profile (10) comprising preferably non-radial spray channels (11) opening out to a central spray chamber (12) disposed directly upstream from said spray orifice (1), an insert (20) being disposed in said expulsion channel (5) so as to form a cover for said spray profile (10), the central axis (X) of said insert (20) being substantially identical to the central axis (Y) of said expulsion channel (5), and said spray head including centering means for centering said insert (20).

Abstract: A nozzle for a viscous liquid dispensing apparatus has a nozzle tip with a generally conical outer surface that tapers toward a dispensing orifice and forms an annular discharge air passage substantially parallel to the conical outer surface. Pressurized fluid is directed over the conical outer surface toward the dispensing orifice and thus, prevents viscous liquid dispensed from the dispensing orifice from being pulled back toward the nozzle tip and accumulating on the conical outer surface of the nozzle tip.

Abstract: A nozzle for use with a pressure washer, and the nozzle includes a body portion that defines a longitudinal axis and a head portion coupled to the body portion and in fluid communication with the body portion. The head portion includes a face substantially perpendicular to a longitudinal axis of the body portion. An elongated first slot is disposed upon the face of the head portion, and an elongated second slot is disposed upon the face of the head portion and in a nonparallel orientation with respect to the first slot. A fluid outlet aperture extends through the face and is at least partially located within at least one of the first and second slots to allow a fluid flow from within the body portion to exit the nozzle from the head portion.

Abstract: A nozzle system for an injector may include a casing that has an inlet through which liquid flows and an injector outlet through which liquid is outwardly injected, a swirler that is disposed inside the casing and includes at least one swirl groove formed in the exterior circumference thereof through which liquid passes and a swirl chamber formed between an end portion thereof and the injector outlet, and a needle for controlling liquid injection whereby swirl torque is generated when the liquid flows into the swirl chamber through the swirl groove and the liquid swirls in the swirl chamber.

Abstract: An applicator assembly for mixing at least a first and a second component is provided. The applicator assembly includes a manifold configured for operable engagement with first and second source of component, the manifold including first and second component channels therethrough, an elongated shaft extending distally from the manifold, the elongated shaft including first and second component lumens extending the length thereof, the first and second component channels in fluid communication with the first and second component lumens, a tip assembly defining a first chamber, an intermediate chamber and a final chamber, wherein the first chamber is configured to receive a distal end of the elongated shaft, the second chamber is configured to receive an insert, and the final chamber is configured to receive the first and second components prior to the mixture being ejected from an outlet defined in the distal end of the tip assembly.

Abstract: A spray nozzle mechanism capable of forming spray contents into fine particles. A channel setting core is fixedly placed in a space in a button body, between an output hole of a vertical path and a hole for discharging contents to the external space. Swirls in the same swirling direction are formed by upstream recessed paths continuous from the vertical path and downstream recessed paths continuous to the discharge hole. Also, the spray nozzle mechanism has ribs. The ribs move initial swirls created by the upstream recessed paths to the corresponding downstream recessed paths, where the initial swirls are moved in a state where they are separated as far as possible.

Abstract: An atomizer spray plate including a body having an inlet surface and an exit surface, a swirl chamber within the body and adjacent to the inlet surface, an atomizer hole extending through the body from the swirl chamber to the exit surface, and a plurality of elongated protrusions upon the inlet surface extending radially from the swirl chamber, wherein the plurality of elongated protrusions define a plurality of venturi inlets to the swirl chamber between adjacent protrusions.

Abstract: A nozzle for a viscous liquid dispensing apparatus has a nozzle tip with a generally conical outer surface that tapers toward a dispensing orifice and forms an annular discharge air passage substantially parallel to the conical outer surface. Pressurized fluid is directed over the conical outer surface toward the dispensing orifice and thus, prevents viscous liquid dispensed from the dispensing orifice from being pulled back toward the nozzle tip and accumulating on the conical outer surface of the nozzle tip.

Abstract: Representative embodiments provide for corresponding fluid atomizer bodies, each generally defining a fluidicly communicative interior cavity. The interior cavity is typically defined by an entry passageway portion, a chamber portion, a plurality of feeder passageways that are tangentially disposed to and fluidly coupled with the chamber portion, and an exit passageway portion fluidly coupled to the chamber portion. In one embodiment, an upper body portion and a lower body portion are bonded together to define a complete fluid atomizer body. Another embodiment provides for producing one or more fluid atomizer bodies by a way of injection molding. A method provides for spraying or sputtering atomized droplets of an electrically non-conductive coolant onto an electrical apparatus using one or more fluid atomizer bodies.

Abstract: The invention relates to an airless dispenser which is used to dispense low doses of liquid products. The inventive dispenser is characterised in that it consists of: a first part comprising a spray nozzle which is communicated with a network of channels on the wall of an inner truncated-cone-shaped bore, and a second part comprising a deformable container which equipped with a rigid flange for fixing the first part in the aforementioned bore. The outer periphery of the flange comprises an inclined surface which defines a vortex chamber, opposite the above-mentioned network of channels, and which, together with the wall of the first part, forms an internal peripheral outlet groove. The outlet groove is defined radially by a flexible lip forming an inlet valve which is supported by the first or second part.

Abstract: An atomizer spray plate including a body having an inlet surface and an exit surface, a swirl chamber within the body and adjacent to the inlet surface, an atomizer hole extending through the body from the swirl chamber to the exit surface, and a plurality of elongated protrusions upon the inlet surface extending radially from the swirl chamber, wherein the plurality of elongated protrusions define a plurality of venturi inlets to the swirl chamber between adjacent protrusions.

Abstract: A nozzle (100) for air-assisted atomizing of a liquid fuel comprises a fuel feed passage (110) and an air feed passage (114) and a swirling chamber (118) from which fuel and air may be passed to an exit orifice (126) for emerging a cone shaped spray. An air bypass passage (122) is provided for leading a fraction of the air flow in the air feed passage (114) past the swirling chamber (118) and to an air exit (124) arranged such with respect to the exit orifice (126) that, during operation of the nozzle, air emerging through the air exit (124) reduces depositing of residues of fuel on a downstream surface (130, 132, 136) of the nozzle element (108). Grooves or other flow-guiding elements may confer swirling or rotation of air in or downstream of the air feed passage (114) and/or the air bypass passage (122).

Abstract: An indexing nozzle assembly for a trigger sprayer has a manually rotatable cap mounted for rotation on a liquid spinner of the nozzle assembly. Rotation of a cap changes the nozzle assembly between an off condition, a spray condition, a second off condition, and a stream condition of the liquid discharged from the nozzle assembly. The cap can be rotated from the off position directly to either of the spray or stream positions by rotating the cap one-quarter turn in opposite directions. A spatial relationship between an end surface of the liquid spinner and an interior surface of the cap end wall that surrounds the assembly discharge orifice improves the stream configuration of liquid discharged by the nozzle assembly.

Abstract: The spraying device comprises: a tubular body which defines a chamber connected to a supply of water under pressure, a nozzle (1) with atomizer and a constriction organ in the form of a valve (6) in order to form a thin-walled hollow jet. The orifice (7) of the nozzle comprises a surface shaping the jet which is arranged to produce at the level of this latter an asymmetry of rotation. The spraying device preferably comprises two nozzles centered in the same plane and forming between them an angle which is of the order of 80°. The valves of these two nozzles are controlled simultaneously by appropriate elements.

Abstract: An adjustable dispenser tip including a nozzle forming a passage along a length of the nozzle. A plurality of independently movable, flexible fingers define an orifice at a dispensing end portion of the nozzle. A coupler is positioned about at least a portion of the nozzle and movable with respect to the nozzle to contact and urge the fingers to adjust an area of the orifice. An elastomeric web is positioned with respect to the nozzle and connects adjacent fingers. The elastomeric web can be positioned on an outer surface of the nozzle, an inside surface of the nozzle, or between adjacent fingers, for example.

Abstract: A misting nozzle includes a nozzle body defining a conduit with a fluid inlet and a fluid outlet end. The nozzle also includes an aperture member having an opening therethrough with an aperture at one end. The opening is designed to receive the fluid outlet end therein. External threads on the nozzle body and mating internal threads in the opening releasably attach the aperture member to the nozzle body. A circumferentially extending surface is formed on the nozzle body adjacent the outlet end so as to abut a mating surface in the opening of the aperture member to prevent fluid flow between the fluid outlet and the aperture. Offset slots extend between the mating surfaces to provide fluid flow and are positioned to impart turbulence to the fluid prior to flowing through the aperture.

Abstract: An adjustable dispenser tip including a nozzle forming a passage along a length of the nozzle. A plurality of independently movable, flexible fingers define an orifice at a dispensing end portion of the nozzle. A coupler is positioned about at least a portion of the nozzle and movable with respect to the nozzle to contact and urge the fingers to adjust an area of the orifice. An elastomeric web is positioned with respect to the nozzle and connects adjacent fingers. The elastomeric web can be positioned on an outer surface of the nozzle, an inside surface of the nozzle, or between adjacent fingers, for example.

Abstract: A gas injector includes a body, a motor and a chopper. The body is mounted on a reaction chamber in a vertically extending cylinder shape and has a plurality of gas injection tubes and a central hollow portion. The plurality of gas injection tubes pass through a bottom face of the body and the central hollow portion passes through each center of the bottom and top faces of the body. The motor has a rotary shaft inserted into the central hollow portion. The chopper is formed in a circular-plate shape and has a notch on a predetermined portion. The chopper is coupled with an end of the rotary shaft and rotated by a rotation of the rotary shaft in a state that the bottom face of the body is closely attached to the chopper through a magnetic sealing.

Abstract: The invention relates to a spray head (100) for a fluid dispenser for dispensing a fluid, the spray head being provided with an expulsion channel (1) opening out in a spray orifice (9), and with a moving closure member (10) mounted to move between a closed position, in which it closes said orifice (9), and a spray position, said closure member (10) being urged resiliently towards its closed position, and being displaced towards its spray position by the pressure of the fluid, the spray head being provided with a swirl chamber (20) of variable volume, the volume of said swirl chamber (20) being at its maximum when the closure member (10) is in the spray position, and being substantially zero when said closure member is in the closed position, said spray head being characterized in that said closure member (10) is provided with the spray orifice (9) and with swirl channels (30) which, when the closure member is in the spray position, connect said expulsion channel (1) to said swirl chamber (20), the volume and

Abstract: The invention relates to a hand lever-operated spray pump (3), particularly for attaching to bottles (2) or similar, having a pump plunger (6) which moves linear in a pump chamber (7) on the housing side and which is connected with the hand lever (5) at the rear of a mouth piece opening (9) and which returns to its starting position as a result of a spring loading, and proposes, for the purpose of achieving a structurally simple, functionally reliable solution, to allocate two hinge points (I, II) to the hand lever (5) one of which (I) is movable in a linear guide on the housing side and the other (II) is arranged on the housing on the side opposite to the mouthpiece (9). In such a way that both hinge points (I, II) are connected by means of two buckling bridge sections (a, b).

Abstract: A dispenser (11) with an atomizing nozzle (15) contains a medium chamber (20) with the medium (24) to be discharged. The pump plunger (21) delivering the medium (24) is hydraulically operated by the pressure of a pressure fluid (25), which is manually applied by pressure on a pressure chamber (28) constructed as a squeezing bottle or bag. Several dispensers can be jointly manufactured and sold in chain form.

Abstract: The invention concerns a spray nozzle comprising a central swirl chamber (1) in which the fluid to be sprayed penetrates by tangential channels (7) producing a swirl axis perpendicular to the longitudinal axis (I—I). The fluid comes out of the swirl chamber (1) through a coaxial outlet passage (4). The nozzle comprises a rear coaxial recess (8) dimensioned and shaped so as to inhibit any residual outflow of fluid through the coaxial outlet passage (4) when the fluid supply is interrupted at the spray nozzle inlet (6).

Abstract: Radial actuation of a handle (15) axially retracts the dispensers shaft (6) inclusive an exit head (9) relative to a base body (5) and a reservoir (7). The shaft (6) is prevented from rotating. The medium thus flows from a pressure chamber (26) via an outlet valve (32) through the entire shaft (6) to a medium exit (20) while being swirled. For facilitated handling the base body (5) and the reservoir (7) form a rod-shaped grip with the handle (15) on one side and a finger scallop (72) on the other.

Abstract: The invention relates to a hand lever-operated spray pump (3), particularly for attaching to bottles (2) or similar, having a pump plunger (6) which moves linear in a pump chamber (7) on the housing side and which is connected with the hand lever (5) at the rear of a mouth piece opening (9) and which returns to its starting position as a result of a spring loading, and proposes, for the purpose of achieving a structurally simple, functionally reliable solution, to allocate two hinge points (I, II) to the hand lever (5) one of which (I) is movable in a linear guide on the housing side and the other (II) is arranged on the housing on the side opposite to the mouthpiece (9) In such a way that both hinge points (I, II) are connected by means of two buckling bridge sections (a, b).

Abstract: A method of reducing the droplet sizes of a composition sprayed from an aerosol spray device comprising a compressed gas propellant, which method comprises imparting a unipolar charge to the liquid droplets by double layer charging during the spraying of the liquid droplets from the aerosol spray device, the unipolar charge being at a level such that the said droplets have a charge to mass ratio of at least +/−1×10−4 C/kg.

Abstract: A spray nozzle includes a central swirl chamber (9), receiving the fluid tangentially through lateral fluid inlet channels (14) from a peripheral front cavity (8), and projecting the fluid in outlet through a coaxial outlet passage (12). The coaxial outlet passage (12), the central swirl chamber (9) and the fluid inlet channels (14) are made up of ribs and recesses in a front plate (15) engaged between a nozzle (1) hollow body and a rear core (5) which is itself formed by a core rear body (5a) and a rear plate (5b) with rear axial recess (17). Thus one can economically produce fluid inlet channels (14) and a central swirl chamber (9) with coaxial outlet passage (12) and rear axial recess (17) with very accurate dimensions, thereby ensuring satisfactory reproducibility of the features of the fluid spray jet at the outlet.

Abstract: The invention concerns a spray pump (3) capable of being actuated by a hand lever, to be mounted on dispensers (2) or the like. Said pump comprises a piston pump (6) capable of sliding linearly in a pump chamber (7) on the housing side. Said piston is connected, on the rear side of an outlet (9), to the hand lever (5) and returns to its base position urged by a spring. The invention aims at producing a pump which is both simple and reliable by associating two articulating parts (I, II) with the lever (5). One (I) of said parts is located so as to slide in a linear slider on the housing side, and the other (II) is fixed to the housing, on the side opposite the outlet (9), such that the two articulating parts (I, II) are connected by mutually collapsible contiguous parts (a, b).

Abstract: A front plunger pressure-swirl atomizer is disclosed, which is applied to a fuel atomizer of a micro gas turbine engine and includes a nozzle cap, a central plunger swirler, a central plunger fastening barrel. The front plunger pressure-swirl atomizer is installed at the seat of an engine. The present invention has the advantages of occupying a smaller space, only needing a small operating pressure, a simple flow channel structure, and fewer components, being easily assembled and a superior atomizing property. Therefore, the defects, such as complex finishing process of flow channel and difficult to be assembled, in the prior art are improved effectively.

Abstract: A nozzle device has a hollow main body, a rotor, and a hollow nozzle cover. The hollow main body has an opening, a hollow chamber communicating with the opening, and a through hole communicating with the hollow chamber. The rotor has a taper first end and a plurality of guide recesses formed on a second end of the rotor. The hollow nozzle cover has a center aperture, a guide groove communicating with the center aperture, and an enlarged groove communicating with the guide groove. The rotor is inserted in the hollow chamber. The hollow nozzle cover is inserted in the opening.

Abstract: A spray actuator which has an inlet which communicates with a discharge orifice outlet via a passageway and a discharge cavity. The discharge cavity accommodates a central post therein which supports a plurality of axial fins that may be each provided with stop shoulder. An insert member, carrying a discharge orifice, is received within the discharge cavity and engages with the support fins and the stop shoulders. The insert member is provided with an annular lip which has an interference fit with the inner side wall, defining the discharge cavity, to retain permanently the insert member within the discharge cavity. An end face of the side wall of the insert member abuts against the stop shoulders to prevent overinsertion of the insert member into the discharge cavity and thereby prevent inadvertent deformation or crushing of the mechanical break-up. An end face of the central post has a mechanical break-up molded therein which impart a tangential spin to pressurized product as the product flow therethrough.

Abstract: A liquid dispenser comprises a dispenser body and a flow restrictor. The dispenser body has a pump mechanism, an intake port adapted for fluid communication with a source of liquid, an intake liquid flow path providing fluid communication between the intake port and the pump mechanism, a discharge port, and a discharge liquid flow path providing fluid communication between the pump mechanism and discharge port. The flow restrictor is in the discharge liquid flow path and is moveable between first and second positions. The flow restrictor is configured for permitting fluid flow from the pump mechanism to the discharge port when the flow restrictor is in its first position, and is configured for at least partially impeding fluid flow from the pump mechanism to the discharge port when the flow restrictor is in its second position.

Abstract: A liquid dispenser comprising a dispenser body and a valve housing. The dispenser body has a pump mechanism, an intake port adapted for fluid communication with a source of liquid, and an intake liquid flow path providing fluid communication between the intake port and the pump mechanism. The dispenser body further comprises a discharge conduit and a discharge liquid flow path providing fluid communication between the pump mechanism and discharge conduit. The discharge conduit has a downstream end through which dispensed liquid exits the discharge conduit. The valve housing has first and second portions, a fluid passageway within the first and second portions, and a discharge port in the second portion and in fluid communication with the fluid passageway. The first portion of the valve housing is attached to the dispenser body adjacent the downstream end of the discharge conduit so that the passageway of the valve housing is in fluid communication with the discharge conduit.

Abstract: The nozzle assembly comprises two pieces, they being: a nozzle cap; and, an integral nose bushing on which the nozzle cap is threadedly received. The integral nose bushing includes a body portion received and mounted in a body of a trigger sprayer and a bushing portion integral with the bushing portion. The bushing portion includes a generally cylindrical portion having a distal end and a proximal end with the proximal end having threads thereon and the distal end having a smooth outer cylindrical surface. The cylindrical portion has an annular slot therein defining an outer cylindrical flange and a central cylindrical portion. The central cylindrical portion has an outer end which extends outwardly of the outer cylindrical flange and which has an outer end having an annular wall defining therein a swirl cavity. The nose bushing has a passage therein communicating a waterway in the bushing portion with the annular slot in the cylindrical portion.

Abstract: A trigger sprayer has a one-piece housing with a shroud having sides which extend rearward to an integral ergonomic saddle the sides connected by ribs and a surface configured to rest upon the user's hand during trigger sprayer actuation. The housing also incorporates an integral barrel, pump cylinder and vent passage cylinder.

Abstract: A cap, spinner, and discharge nozzle assembly for use with a liquid dispensing apparatus such as a trigger sprayer. The spinner assembly can be externally fitted to the discharge nozzle, and includes an annular chamber surrounding a central post having a swirl chamber in its top. The central post includes longitudinal grooves, communicating with tangential grooves in an annular wall defining the swirl chamber. Apertures are provided in the base of the annular chamber such that pressurized liquid flows through the apertures and into the annular chamber, with a resulting reduction of velocity, and then along the longitudinal grooves and through the tangential grooves into the swirl chamber. A cap is provided which variably engages the discharge nozzle and which has at least a central projection on the inner side of its front face, and preferably an annular groove formed by an outer projection surrounding the central projection.