Abstract: An assembly for an aircraft engine includes a variable area nozzle. The variable area nozzle includes a nozzle wall, a nozzle sleeve, an actuation system and a flowpath extending axially along an axis through the variable area nozzle and radially between the nozzle wall and the nozzle sleeve. The nozzle sleeve includes a support and a liner. The support includes a first mount and a second mount axially spaced from the first mount. The liner extends axially along and circumferentially about the support. The liner is axially and circumferentially anchored to the support through the first mount. The liner is circumferentially anchored to the support through the second mount. The actuation system is coupled to the support. The actuation system is configured to move the nozzle sleeve axially along the axis relative to the nozzle wall.

Abstract: An apparatus is provided for an aircraft propulsion system. This apparatus includes a variable area nozzle apparatus. The variable area nozzle apparatus includes a plurality of panels, a plurality of inter-panel members and an actuation system. The panels are arranged circumferentially about an axial centerline. The panels include a first panel and a second panel. The inter-panel members are arranged circumferentially about the axial centerline. The inter-panel members include a first inter-panel member between and connected to the first panel and the second panel. The first inter-panel member is configured from or otherwise includes an elastomeric material. The actuation system is configured to move the panels and the inter-panel members between a restricted flow arrangement and an unrestricted flow arrangement. The actuation system includes a first linkage and a second linkage. The first linkage is coupled to the first panel. The second linkage is coupled to the second panel.

Abstract: A rear part for a turbojet engine includes a variable-geometry nozzle in which a convergent flap is provided with a lever supporting a bearing roller arranged axially between an upstream bearing wall and a downstream bearing wall, which are rigidly secured to a movable part capable of moving axially on command with respect to an upstream stator structure in such a way that the bearing roller is free to move with respect to the upstream and downstream bearing walls in a radial direction. During a downstream movement of the movable part, the upstream bearing wall pushes the lever to pivot a downstream end of the convergent flap towards the longitudinal axis. Operation of the drive mechanism for moving the movable part can thus be optimized while limiting the size and the mass of the mechanism for controlling the flaps.

Abstract: A hair dryer is provided that may include a main body including a discharge unit configured to discharge fluid, such as air outside of the main body, and a handle provided at one side of the main body. The discharge unit may include a discharge base inserted into the main body and configured to form a plurality of discharge paths which are separated from each other and through which fluid may flow. The discharge unit may be configured to selectively discharge fluid through one discharge path of the plurality of the discharge paths.

Abstract: An aerial firefighting system has a foam production unit attached to an aircraft. The foam production unit has a single unit variable block high expansion foam generator; a light weight bladder tank system for collection and storage of water; a light weight bladder tank system for storage of a foaming agent; a telemetry unit for adjusting air flow, foam agent proportioning, and water pressure; and tubing for foam stream straightening. The foam production unit also has a fan capable of delivering at least 75,000 cubic feet per minute of air. The incorporation of a high-CFM fan increases foam production capability more than tenfold over existing aerial firefighting systems. The volume of firefighting foam produced is in excess of 50,000 cubic feet of foam per minute.

Abstract: Provided is a disclosure for a ventilation conduit for a welding torch, where the ventilation conduit comprises a conduit body comprising at least a first part and a second part, and a conduit nozzle. The first part and the second part are configured to be removably coupled to each other around an outside of a welding torch. The conduit nozzle, with a first end that is beveled and a second end, is configured to be removably coupled by the second end to the conduit body.

Abstract: An interspatial blocker for a thrust reverser system of a turbofan engine, and a thrust reverser system and a turbofan engine incorporating the same. The interspatial blocker includes a first and second flap that rotate from a stored position to a blocking position, and a leading-edge structure rotatably coupling the first flap to the second flap. The leading-edge structure is set up to be installed in a fan nacelle of a turbofan engine in a substantially radial orientation such that the first flap rotates in a first direction about a first axis extending in a substantially radial direction from the stored position to the blocking position, and such that the second flap rotates in a second direction about a second axis extending in the substantially radial direction from the stored position to the blocking position, with the first direction being opposite to the second direction.

Abstract: A hair dryer is provided that may include a main body including a discharge unit configured to discharge fluid outside of the main body, and a handle provided at one side of the main body. The discharge unit may include a plurality of discharge areas configured to discharge fluid. The discharge unit may be configured to selectively discharge fluid through one of the plurality of the discharge areas.

Abstract: A fuselage for an aircraft. The fuselage has a control element with an integrated engine outlet. The control element is integrated at a rear end of the fuselage, so that the control element terminates flush with an outer skin of the fuselage in a circumferential direction of the fuselage. An outer wall of the control element surrounds the engine outlet wherein the engine outlet is directed towards an open rear side of the control element. The control element is connected to the fuselage such that the control element jointly the engine outlet is pivotable about a rotation axis with respect to the fuselage. The rotation axis runs transversely to a longitudinal direction of the fuselage and the control element functions as a tailplane when pivoting about the rotation axis.

Abstract: A blower spray device is provided having a housing which comprises an electrically driven blower and a spray nozzle, and having a liquid supply line opening into the spray nozzle. The housing has a funnel-shaped intake channel and a tubular blow-out channel, and an electrical valve is provided in the liquid supply line to activate and deactivate the liquid supply to the spray nozzle. An electronic controller having a regulating unit for the electric blower is further provided to adjust the air flow velocity.

Abstract: An aircraft system includes a propulsion system structure, a variable area nozzle and a linkage system. The propulsion system structure is moveable between a first position and a second position. The variable area nozzle is fluidly coupled with a duct in the propulsion system structure. The variable area nozzle is moveable between a first configuration and a second configuration. An exit area of the variable area nozzle has a first value when the variable area nozzle is in the first configuration and a second value when the variable area nozzle is in the second configuration. The variable area nozzle includes a flap moveably connected to the propulsion system structure. The linkage system mechanically links the variable area nozzle with the propulsion system structure. The linkage system includes a driver linkage, a first bell crank, a bridge linkage, a second bell crank, a follower linkage and a crank arm.

Abstract: A control ring for controlling discharge gates for an aircraft turbine engine extends around a casing of the turbine engine and includes a connector for connecting to the gates. The control ring includes metal sectors and composite material sectors. The metal sectors may be connected to one another by the composite material sectors and the connector may be carried by the metal sectors.

Abstract: The present disclosure provides a system and device for drones with ducted rotors. In some aspects, drones may comprise one or more systems of ducted rotors. In some embodiments, ducted rotors may increase the durability of the drone, limiting exposure of the rotors to external conditions and objects. In some aspects, a drone with ducted rotors may comprise a control vane or cone that may direct airflow within the drone as a mechanism to control flight path. In some implementations, a drone may comprise expandable landing gear than may allow for controlled landing, even in the event of rotor failure. In some aspects, a drone may comprise rotatable ducted rotors.

Abstract: The present invention discloses a Fire-fighting water cannon comprising: a first motor assembly including a first housing, a first stator assembly, a first rotor assembly and a central shaft; both ends of the first housing are respectively provided with a first end cover and a second end cover, the first end of the first stator assembly is connected with the second end cover, the first rotor assembly is sleeved on the outside of the first stator assembly, and the first rotor assembly is rotatably connected with the first housing; the cannon head assembly including a first cannon head and a second cannon head, the first cannon head is connected with the first stator assembly, the second cannon head is sleeved on the outside of the first cannon head, and the second cannon head is threadedly connected with the first rotor assembly, the first cannon head is provided with a first anti-rotation device; the cannon core assembly is arranged on the central axis and cooperates with the cannon head assembly.

Abstract: A cooling system includes a device to be cooled and a cooling device integrated with the device to be cooled. A cooling volume has cavities and active coolant flow controls configured to adjust coolant flow through the cavities. A reservoir is in fluid communication with the cavities and has a liquid outlet and an inlet for a gas or gas-liquid mixture. A two-phase coolant is in the reservoir and cavities. The two-phase coolant has a phase transition temperature between an ambient temperature and an expected device temperature. A capacitance sensor is configured to determine a coolant capacitance in the cavities. A control module is configured to determine a vapor quality and void fraction of the coolant based on the measured capacitance and to increase coolant flow if the determined vapor quality and void fraction indicate a dry-out condition. A secondary cooling line removes heat from the cooling device.

Abstract: There is disclosed an exhaust nozzle for a gas turbine engine, the exhaust nozzle comprising a frame extending along a longitudinal axis. The exhaust nozzle comprises a convergent petal pivotably attached at a convergent pivot point to the frame and extending axially downstream and radially inward from the frame, a follower roller fixed to the convergent petal on a radially outer side of the convergent petal, and a cam defining a working surface configured to engage the follower roller to react a force from the convergent petal. The cam is movable along a travel in an axial direction to actuate radial movement of the follower roller to pivot the convergent petal. The cam defines a concave working surface such that a contact angle between the follower roller and the cam varies along the travel to thereby vary a radial component of the force reacted by the cam.

Abstract: This technology relates to a system for clearing sensors. The system may include an air knife, a sensor cover, and a sensor motor. The sensor cover may be configured to house one or more sensors. The sensor motor may be used to rotate the sensor cover. The air knife may be configured to clear the sensor cover of debris by providing a pressurized stream of fluid against the sensor cover as the sensor motor rotates the sensor cover.

Abstract: A water delivery device that may be used in a water display is described. The device includes an orifice or outlet through which water is shot out. The shape and configuration of the water device may be varied to dynamically adjust the configuration of the water shot out from the device. For example, the water delivery device may shoot out water in the shape of a fan, and the width of the fan may be varied.

Abstract: A slurry distributor can include a distribution conduit and a profiling mechanism. The distribution conduit extends generally along a longitudinal axis and includes an entry portion and a distribution outlet in fluid communication with the entry portion. The distribution outlet extends a predetermined distance along a transverse axis, which is substantially perpendicular to the longitudinal axis. The distribution outlet includes an outlet opening having a width, along the transverse axis, and a height, along a vertical axis mutually perpendicular to the longitudinal axis and the transverse axis. The profiling mechanism includes a profiling member in contacting relationship with the distribution conduit and movable over a range of travel such that the profiling member is in a range of positions over which it is in increasing compressive engagement with a portion of the distribution conduit adjacent the distribution outlet to vary the shape and/or size of the outlet opening.

Abstract: Embodiments of a self-cleaning jet tube may include an elongate hollow body that is generally rectangular in cross-section and tapered from an open first end to a second end generally opposite the first end. The elongate hollow body may have an upper wall, a lower wall, side walls, a plurality of apertures arranged along the upper wall, an end plate coupled with the walls at the second end, and at least one through-slot. A through-slot may be disposed through the end plate or a wall, between the end plate and a wall, or between two walls. The jet tube may be configured for use with the through-slot(s) open and unblocked, thereby allowing debris to be expelled from the jet tube during operation of the jet veneer dryer. Corresponding systems and method are also provided herein.

Abstract: A diffuser includes an air inlet for receiving an airflow from a hair dryer, a grille having a plurality of air outlets for emitting at least part of the airflow from the diffuser, a baffle having an outwardly tapering wall which defines a diffusing air chamber through which the airflow passes between the air inlet and the air outlets, and an external wall which surrounds the wall of the baffle to define a second air chamber therebetween. The second air chamber has a plurality of ports in fluid communication with the ambient atmosphere.

Abstract: Embodiments of a self-cleaning jet tube may include an elongate hollow body that is generally rectangular in cross-section and tapered from an open first end to a second end generally opposite the first end. The elongate hollow body may have an upper wall, a lower wall, side walls, a plurality of apertures arranged along the upper wall, an end plate coupled with the walls at the second end, and at least one through-slot. A through-slot may be disposed through the end plate or a wall, between the end plate and a wall, or between two walls. The jet tube may be configured for use with the through-slot(s) open and unblocked, thereby allowing debris to be expelled from the jet tube during operation of the jet veneer dryer. Corresponding systems and method are also provided herein.

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet and a flow chamber having a smooth bore extending between the inlet and the outlet. An elastic water impervious material is in fluid communication with the inlet and is tapered and is able to expand due to its elasticity. An adjustable non-rusting member connected to the nozzle body expands or constricts to either increase or decrease the inner diameter of the nozzle body to adjust the flow rate through the nozzle.

Abstract: A shower with various outlet functions includes a main body part and outlet part, the main body part has an inlet waterway, and at least one first inlet hole and one second inlet hole communicated with the inlet waterway; the outlet part, is connected to the main body part in a moving manner, and is provided with at least one first water division hole group and one second water division hole group, and the first water division group includes at least two first division holes, and the first inlet holes are coupling with the first water division hole, the second water division group includes at least two second division holes, and the second water division holes are coupling with the second inlet hole, and the first and second water division hole communicates with the first and second inlet hole respectively in a switching manner.

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet and a flow chamber having a smooth bore extending between the inlet and the outlet. An elastic water impervious material is in fluid communication with the inlet and is tapered and is able to expand due to its elasticity. An adjustable non-rusting member connected to the nozzle body expands or constricts to either increase or decrease the inner diameter of the nozzle body to adjust the flow rate through the nozzle.

Abstract: The present invention provides methods and apparatus for a Marangoni vapor knife assembly. The assembly includes a base having a channel extending longitudinally through the base and a plurality of passages extending laterally from the channel toward an outer face of the base; a top plate adapted to be removeably coupled to the base with an outer face flush with the outer face of the base; and a shim adapted to be disposed between the base and the top plate and further adapted to form a plurality of spray orifices in the assembly. Numerous additional features are disclosed.

Abstract: A water delivery device that may be used in a water display is described. The device includes an orifice or outlet through which water is shot out. The shape and configuration of the water device may be varied to dynamically adjust the configuration of the water shot out from the device. For example, the water delivery device may shoot out water in the shape of a fan, and the width of the fan may be varied.

Abstract: A nozzle assembly includes a nozzle body with an inlet, an outlet, and a passageway extending from the inlet to the outlet, and with the passageway having a flow area and a fixed diameter at the outlet. A lever is supported at the nozzle body, and the nozzle assembly further includes an actuator, which is supported by the nozzle body and configured for varying the cross-section of the flow area through the outlet in response to the lever being moved relative to the nozzle body.

Abstract: A sprinkler has a sprinkling device, and an inlet controlling device and an end cap respectively mounted on two opposite ends of the sprinkling device. The sprinkling device has a casing having outlet holes, and two regulating panels having regulating slots, two regulating wheels, two transmission rods and a cover having limit slots mounted on the casing. The outlet holes, the regulating slots and the limit slots respectively align with each other and are mounted around multiple nozzles. Turning the regulating wheels forces the nozzles to bend through the regulating panels so the sprinkler has a variety of sprinkling patterns to be suitable for every place where the sprinkler is placed. The nozzles are individually manufactured and are easily mounted on the casing and replaced.

Abstract: A water nozzle includes an outer cylindrical body and a laminator cylinder, axially movable over an exterior of the cylindrical body. A notched deflector is axially positioned inside the cylindrical body, the deflector being provided with a series of notches peripherally positioned over a lateral cylindrical face of a head of the deflector.

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

Abstract: The invention relates to an actuator for a dispenser device for spraying contents of a receptacle that is pressurized or of a receptacle that has a pump, the actuator comprising a channel connectable to a receptacle outlet on one side of the actuator for receiving the pressurized contents of the receptacle, said channel having an orifice for spraying the contents on another side of the actuator, wherein an inlet connects the channel with a volume chamber, wherein the orifice has a valve for opening and closing the orifice, the valve biased by biasing means in the closed position, wherein the inlet has inlet reduction means for reducing the size of the inlet to the volume chamber. The invention is characterized in that the inlet reduction means comprises a flexible element.

Abstract: The present invention provides an adjustable body spray including an adjustable spray assembly and an adjustable mounting assembly that, alone or in combination, ensure proper alignment of components of the body spray and adequate sealing between the components.

Abstract: A hybrid variable area fuel injector is provided. The fuel injector includes a main body portion and a head portion carried by the main body portion. The fuel injector defines a fixed area port provided by the head portion for use during low flow conditions. The fuel injector defines a variable area port for use during high flow conditions. The variable area port is provided between the main body portion and the head portion. The area of the variable area port is adjustable due to the position of the head portion relative to the main body portion. The fuel injector also includes a shield portion surrounding at least a portion of the head portion. The shield portion reduces the amount of cross-flow that impinges on the head portion to reduce heat transfer to the head portion.

Abstract: A device and method are provided for regulating two types of flow from a nozzle. The first flow is a deluge stream and the second flow is a fog spray. The deluge stream is controlled by the nozzle operator using a first flow control valve, such as a ball valve. The fog spray is controlled by the nozzle operator using a second flow control valve. The nozzle permits the nozzle operator to manually control the flow of the nozzle, thereby permitting quick regulation and adjustment of flow types and amounts to accommodate then existing fluid pressure and supply conditions to address fluid application needs.

Abstract: A fluid diversifying apparatus includes a fluid passage member having a fluid passage therewithin, and a fluid diversifying unit communicatively connected to the fluid passage for dispensing fluid with predetermined spray pattern. The fluid diversifying unit has a plurality of fluid selection inlets and a plurality of fluid dispensing portions communicatively connected to each of respective the fluid selection inlets for dispensing a spray pattern of the fluid through each of the dispensing portions, such that when one of the fluid selection inlet is selectively aligning with the fluid passage outlet, the fluid flow is guided to enter selected the fluid selection inlet to dispense fluid from respective the fluid dispensing portion, so as to selectively control the spray pattern from one of the fluid dispensing portions.

Abstract: Nozzles having variable geometry are disclosed that are comprised of a plurality of vanes that contact one another and can slide with respect to one another. A control element forces the vanes to slide, with contacting sides of the vanes defining an inner flow path through which a fluid may pass. The vanes may be self-similar or different from one another to define the desired geometries of the opening in the nozzles. The vanes may be configured to provide convergent, divergent and convergent-divergent nozzles for a range of applications.

Abstract: Cellulosic based cores used in manufacture of towel and tissue products can be effectively stripped of residual product with little damage to the core using a roll stripping air knife with a longitudinal air passageway having both primary discharge passages and interconnected auxiliary orifices, the auxiliary orifices are directed laterally away from the primary discharge direction and connect with a longitudinal exterior channel configured such that air flows inwardly through the auxiliary orifices when pressurized air is supplied to longitudinal air passageway and the primary discharge passages are unobstructed but outwardly when the primary discharge passages are obstructed so that the pressure achievable when the primary discharge passages are obstructed is within safety limits.

Abstract: The invention relates to a dispenser for delivering portions of liquid to pasty substances, having a storage container and a pumping chamber, the pumping chamber having at least one valve, and having a delivery head which can be displaced relative to the storage container and the displacement of which allows the substance to be delivered, the delivery head further having formed in it a delivery channel with a delivery opening, which delivery opening can be closed by a closure part which is removable, but is held in captive fashion on the delivery head. In order to specify such a dispenser for delivering portions of liquid to pasty substances which is configured in an advantageous manner, in particular, in respect of a closure part, it is proposed that the closure part is a sliding part which also forms a delivery-channel portion and interacts with a fixed closure pin.

Abstract: A marking sphere dispensing apparatus for dispensing fluid-assisted marking spheres into pavement marking materials applied to a surface has a frame defining a marking sphere receptacle, a valve seat defining an opening between the marking sphere receptacle and an expulsion duct. A plunger is disposed coaxially to the longitudinal axis of the dispensing apparatus and defines an internal fluid passage for providing pressurized fluid. The plunger is moveable in a longitudinal direction within the marking sphere dispensing frame between a first position at which a plunger head of the plunger is seated against the valve seat to close the opening, and a second position at which the plunger head is axially offset from the valve seat to define a marking sphere inlet gap across the opening. A method for applying marking spheres uses the marking sphere dispensing apparatus.

Abstract: A nozzle is provided. The nozzle includes a cylindrical housing defining a fluid flow path therethrough about a longitudinal axis and a first finger mounted to a first end portion of the housing comprising a wedge disposed on an outer surface of the first finger. A hollow shroud is coaxially disposed around the housing and longitudinally movable with respect to the housing. An outlet aperture is disposed in fluid communication with the fluid flow path, and a ramp disposed within an internal surface of the shroud and engageable with the wedge.

Abstract: The present invention provides a fluid discharge apparatus for producing a curtain of air. The apparatus comprises a body member having an air inlet chamber and an air outlet chamber. The air outlet chamber is in fluid communication with the air inlet chamber. The body member defines a discharge orifice through which fluid is discharged from the body member with the discharge orifice being in fluid communication with the air outlet chamber. The air outlet chamber has a pair of opposing sidewalls with each of the sidewalls having an angled sidewall portion. The angled sidewall portions are arranged to converge towards each other as the angled sidewall portions extend in a downstream direction towards the discharge orifice so as to define a generally V-shaped lead-in section that guides and directs fluid towards the discharge orifice.

Abstract: A nozzle that produces an outlet velocity air, or other fluid jet, is provided with safety passages which achieve the safety requirement of automatically reducing the local exit pressure “dead end” limit to 30 psig or less when the nozzle outlet is partially or completely obstructed. The safety passages do not reduce the effectiveness of the normal function of the air, or other fluid, jet through the provision of a check valve to block undesirable reverse flow in the safety passage(s) thus avoiding ambient fluid flow to the nozzle exit that degrades the nozzle's normal operating air, or other fluid, jet. This is especially useful for supersonic air gun nozzles which have been adapted to digging in the ground, and other purposes, but it is also useful for sonic and subsonic nozzles that are used for other purposes such as cleaning, and other applications.

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

Abstract: A marking sphere dispensing apparatus for dispensing fluid-assisted marking spheres into pavement marking materials applied to a surface has a frame defining a marking sphere receptacle, a valve seat defining an opening between the marking sphere receptacle and an expulsion duct. A plunger is disposed coaxially to the longitudinal axis of the dispensing apparatus and defines an internal fluid passage for providing pressurized fluid. The plunger is moveable in a longitudinal direction within the marking sphere dispensing frame between a first position at which a plunger head of the plunger is seated against the valve seat to close the opening, and a second position at which the plunger head is axially offset from the valve seat to define a marking sphere inlet gap across the opening. A method for applying marking spheres uses the marking sphere dispensing apparatus.

Abstract: A water sprinkler for irrigating lawn and garden areas has two axes of movement, one transverse to the other. A barrel moves or oscillates on one horizontal axis to direct water spray from nozzles carried on the barrel across the length of the area, and the nozzle outlets also simultaneously move or oscillate on axes transverse to the barrel axis to spray water across the width of the area. As the nozzle outlets move or oscillate in the two transverse directions, the ground area is irrigated uniformly over time by application of water in a criss-cross pattern. The area sprayed can be surprisingly large compared with single-axis oscillators, or the area may be limited to a single row or a narrow rectangular area, by adjustment of the barrel and outlet movement and/or the water pressure.

Abstract: Embodiments of the present invention are directed to a dispensing nozzle for dispensing a sauce containing particulates which is configured to reduce clogging of the nozzle by the particulates. In one embodiment, a dispensing nozzle comprises a nozzle body having a nozzle cavity with a nozzle inlet and a nozzle outlet. The nozzle inlet has a bore-shape cross section. The nozzle outlet is longitudinal in shape with a length substantially larger than a width. The nozzle cavity extends from the nozzle inlet to the nozzle outlet in a flow direction and has a cross-sectional area which is substantially constant extending from the nozzle inlet along the flow direction to the nozzle outlet.

Abstract: An improved spray through cap assembly (10) comprises separable base (11) and cover parts (13). The base part includes a hollow actuator (17) which is adapted to cooperate with an outlet of an aerosol or the like. The actuator is linked to a fluid flow channel (19) formed by correspond recesses in the base and cover parts, respectively, and a nozzle outlet (20). Depressing the cover part causes the actuator to actuate the outlet and causes the contents of the aerosol to be discharged through the nozzle outlet via the fluid flow channel. In order prevent accidental discharge, in one embodiment, the base part includes a projecting lip (22) and the cover part includes a nose (21), the lip and nose cooperating in an inoperative position to prevent the actuator actuating the outlet. In a further embodiment, the cover part is formed from two separable parts and the fluid flow channel and nozzle outlet are formed by corresponding recesses in the parts of the cover parts.

Abstract: A liquid dispensing nozzle beneficial in varying or controlling the quantity of a developing liquid dispensed onto various regions of a semiconductor wafer substrate during the photolithography step of semiconductor fabrication is disclosed. The liquid dispensing nozzle includes a nozzle housing which includes a bottom dispensing opening. A shutter plate in the nozzle housing is engaged by a shutter motor which displaces the shutter plate in the nozzle head and varies the position of the shutter plate with respect to the dispensing opening. The shutter plate opening narrows as the developing liquid is dispensed onto the edge of the substrate to prevent excessive application of the liquid onto those regions. The shutter plate widens the opening as the developing liquid is dispensed onto the central region of the substrate.

Abstract: A misting system valve assembly comprises a conduit connectable to a pressurized fluid supply. The conduit includes a through opening. A sleeve is telescopically received on the conduit. The sleeve is adapted to support a nozzle. The sleeve has a sleeve opening therethrough for selectively delivering pressurized fluid to the nozzle. The sleeve is moveable on the conduit between an open position where the conduit through opening is in communication with the sleeve opening and a closed position where the conduit through opening is not in communication with the sleeve opening.