Abstract: A method and apparatus enabling the production of ultra-fine and concentrated aerosol from liquids, for various applications, by using a rigid porous medium adapted to act as a pneumatic multi-nozzle atomizing system, characterized by having two flat sides and a plurality of pores, and further containing a liquid partially absorbed in the porous medium, thus enabling storage and easy streaming of the aerosol (e.g. for inhalation), fast replacement of liquid carrier device and accuracy of output sprayed dose.

Abstract: A system for spray delivery of liquids comprising a motor axially coupled to one or more pistons through a wobble plate coupling. Each piston feeds an input port of a swirl chamber spray nozzle. Each piston may separately pulse the swirl chamber using a different injection point. In one embodiment, the spray nozzle, swirl chamber, feed channels and cylinder heads for the cylinders may be formed as a single integrated casting. In one embodiment, the sprayer may include an intermediate plate rotatably mounted on the wobble plate. The sprayer may include a piston cap with a flat contact with the wobble plate/intermediate plate and a spherical interface with the piston. In a further embodiment, the system may be configured for handheld application of liquids and may comprise a tank for holding the liquid, a power source and control actuator together with the spray pump and nozzle in a hand operable package.

Abstract: A power trigger sprayer comprising an integrated nozzle and pump assembly. The pump may comprise one or more pistons. Each piston feeds an input port of a swirl chamber spray nozzle. The nozzle is pulsed at a high rate, producing a predetermined spray pattern. In a further embodiment, the sprayer may be configured for handheld application of liquids and may comprise a tank for holding the liquid, a power source and control actuator together with the spray pump and nozzle in a hand operable unit. The sprayer may comprise a drip guard for directing drip flow away from the trigger and hand grip portion of the sprayer. The sprayer may include a battery within the hand grip portion. The battery may be in a battery module with grip/latch tabs allowing easy removal and replacement of the battery.

Abstract: A handheld airless fluid dispensing device comprises a pump, a drive element and an orifice element. The pump directly pressurizes a fluid. The drive element supplies power to the pump. The orifice element is connected to the pump and atomizes un-thinned architectural coating to a particle size of no greater than approximately 150 microns. The pump generates orifice pressures up to approximately 2.48 MPa and the orifice has an area of approximately 18.7 mm2. In one embodiment, the pump, drive element and orifice element are integrated into a handheld housing. In one embodiment, the pump comprises a reciprocating piston fluid pump comprising at least two pumping chambers configured to be actuated out of phase by at least one piston. In another embodiment, the reciprocating piston fluid pump comprises two pistons having different displacements that are linearly actuated by a wobble assembly driven by a gear reducer and an electric motor.

Abstract: A transducer type liquid sprayer in which a storage tank for storing spray liquid can be easily replaced together with a core for soaking up the spray liquid from the storage tank is provided. The liquid sprayer includes a spray liquid storage unit and a main body for supporting the spray liquid storage unit and a power supply unit. The spray liquid storage unit includes a core for soaking up spray liquid and the main body includes a lid member attached to a support member for supporting the spray liquid storage unit so that the lid member can be opened and closed. A spray hole is formed in the lid member and a transducer is also disposed inside the lid member and electrically connected to the power supply unit. The transducer disposed inside the lid member is in close contact with and pressed against the core.

Abstract: A dosing device with a manually actuated pumping component, which includes a pumping chamber, an inlet valve and an outlet valve in the region of a dosing opening, is provided. An inlet region in the region of the inlet valve and/or an outlet region in the region of the outlet valve is/are provided with flow profiles. The dosing device is to be used for dispensing pharmaceutical liquids.

Abstract: A fluid spraying gun of the present invention includes: a tube-shape guide, on which a brush extending forward is implanted; a nozzle, which is formed of a flexible pipe member with a front end thereof as a free end, and sprays one portion of gas, which is supplied from the flow separation portion and passes through the nozzle, toward the brush from the front end thereof, while the nozzle undergoes the gyrating motion guided by the tube-shape guide; an inner nozzle, which sprays gas which has passed through a flow rate adjustment portion from a tip portion thereof; and a liquid distribution pipe, which penetrates the tube-shape guide, links an inside of the tube-shape guide with a liquid supply source, has an intermediate portion into which the inner nozzle is inserted in a state where the inner nozzle is directed toward the tube-shape guide, and draws up liquid from the liquid supply source by a negative pressure arising from spraying of gas by the inner nozzle to cause spraying of liquid on the inside of th

Abstract: A locking element for a dispenser for discharging a medium, with an insert body, which has an outlet channel and an exit opening for the medium to be discharged, and a piston element which has a piston head co-operating with a piston seat and at least one elastic resilient leg, characterized in that a sealing element is arranged in the outlet channel, which forms the piston seat, and the piston element with the at least one resilient leg is arranged in an enlarging channel portion of the outlet channel, wherein the piston head is pre-tensioned against the piston seat and is pushed out of the piston seat by the exiting medium.

Abstract: A fluid spray device comprising a reservoir (10) containing fluid; a pump or a valve (20) mounted on the reservoir (10) by means of a fixing ring (30) for selectively dispensing the fluid; and a dispenser head (40) including a dispenser orifice (45), the device further comprising an actuator device (50) that is displaceable between a rest position and a dispensing position, the actuator device (50) being displaced in a direction that is different from the direction in which the fluid is sprayed through the dispenser orifice (45), said fluid spray device being characterized in that said actuator device (50) is formed on the dispenser head (40), and co-operates with the fixing ring (30), or with an element secured thereto, in order to actuate the pump or the valve (20).

Abstract: A method of cleaning a surface such as a driveway or a vertical wall which includes converting or retro-fitting a zero-turn radius (ZTR) or other type of mower to a cleaning apparatus. The conversion of the mower includes the steps of adding a water supply tank to the deck area of the mower and providing low pressure and high pressure flow lines. The low pressure flow lines are supplied via a low pressure pump. The high pressure flow lines are supplied by a separate high pressure pump unit. Plural solenoid valves are utilized in the method and system to control the flow of a cleaning solution for various method operations.

Abstract: The portable sprayer having automated pressurizing means includes a canister, air compressor, and battery compartment. In an alternative embodiment a pair of fold out wheels can extend and retract from underneath the canister to improve the overall mobility of the sprayer. In yet another embodiment, the canister includes an optional manual pump to use in the event the batteries lose their charge. In all embodiments, a cover screws onto a top of the canister to enable refilling of the canister.

Abstract: An air-assisted sprayer comprises a platform, an air reservoir, a fluid reservoir, a spray cap and a dual flow valve. The air reservoir extends through the platform and is configured to receive a source of pressurized air. The fluid reservoir extends through the platform to intersect the air reservoir, and is configured to receive a source of pressurized fluid. The spray cap is configured to receive pressurized air from the air reservoir and pressurized fluid from the fluid reservoir to discharge a stream of atomized fluid from the platform. The dual flow valve is positioned within the platform to intersect the air reservoir and the fluid reservoir to simultaneously vary volumetric flow rates of the pressurized air and the pressurized fluid over a range.

Abstract: The present invention is a vibratory pumping apparatus that increases the ease and effectiveness of use of the apparatus. More specifically, the apparatus includes an adapter engageable with a conventional motive member, such as an electric drill, in order to enable the apparatus convert the rotational motion of the motive member into oscillatory motion for the pump, such that the pump can be operated using any number of different motive members. In addition, the mechanism within the apparatus is formed of a pair of piston-like members that operate in conjunction with one another to increase the pressure at which the fluid pumped by the mechanism is dispensed from the apparatus.

Abstract: A dispenser adapted to be coupled to a fluid container. The dispenser comprises a dispensing head, an energy source, and a fluid pathway. The dispensing head includes a fluid pump, a motor adapted to power the pump, a trigger adapted to control the motor, and a nozzle orifice in fluid communication with a discharge end of the pump. The fluid pathway has one portion in fluid communication with an intake end of the pump and another portion inside the container. In one embodiment, the fluid pump is a peristaltic pump. The present invention may further include a valve having a membrane for controlling flow through the valve, the membrane having open and closed positions; and an element urges the membrane to the closed position, and a vacuum pressure at one end of the valve may overcome the urging of the element, thereby moving the membrane to the open position.

Abstract: A piston pump for a backpack sprayer, which operates reliably without damage due to scoring of the wall of the piston cylinder by powders such as wetable solids, which tend to be abrasive and score or scratch the piston cylinder wall which is of plastic material. The pump has a plastic piston cylinder. A liner provided by a sleeve of metal which is not subject to scratching and is of sufficient thickness to maintain a cylindrical shape of the piston wall. The seal of the piston rides on the piston wall liner as the piston reciprocates in pumping the spraying liquid and particles suspended therein from a tank into a pressure chamber in the tank, from which pressure chamber the spraying liquid is extracted for spraying via a hose and a spraying nozzle. The sleeve is molded upon injection of the plastic providing the piston cylinder pump by being mounted on a core having a step which partially overlaps an edge of the sleeve.

Abstract: The present invention is a dispenser adapted to be coupled to a fluid container. The dispenser comprises a dispensing head, an energy source, and a fluid pathway. The dispensing head includes a fluid pump, a motor adapted to power the pump, a trigger adapted to control the motor, and a nozzle orifice in fluid communication with a discharge end of the pump. The fluid pathway has one portion in fluid communication with an intake end of the pump and another portion inside the container.

Abstract: A pressure sprayer includes an accumulator vessel adapted to hold a pressurized fluid therein and a container that is configured to hold a chemical concentrate. A motor in fluid communication with the accumulator vessel and the container is adapted to be driven by the pressurized fluid and to pump the pressurized fluid and the chemical concentrate. A chamber is adapted to receive the chemical concentrate and the pressurized fluid from the motor to form a chemical solution. A nozzle is in fluid communication with the chamber.

Abstract: A nozzle comprising a thin, flexible substantially planar polymeric film having a plurality of pores with structures allowing for generation of an aerosol at reduced extrusion pressure is disclosed. The pores can comprise at least two sections, or steps, in which the thickness of the membrane is reduced in stepwise fashion, or the pores can be tapered. Nozzles formed comprising pores having such structures permit aerosol generation at lower extrusion pressures, thereby allowing for decreased weight of aerosolization devices, increased efficiency, increased portability and increased battery life. The pore structures also allow for the use of thicker, more easily processed polymeric films in manufacturing while having a thinner, more efficient aerosolization area. The use of decreased extrusion pressures also results in increased uniformity in aerosol generation and improved reliability of other components.

Abstract: A fluid spraying system for applying a spraying solution to an area under low pressure. The system includes at least one supply device for providing an aqueous solution and one or more compounds to create the spraying solution. A mixing device is configured to mix and inject the aqueous solution and one or more compounds into the container to create the spraying solution. A distribution system in communication with the container includes at least one distribution conduit to remove the spraying solution from the container. One or more delivery devices in communication with the at least one distribution conduit apply the spraying solution under low pressure to the area.

Abstract: The present invention is directed to a system and method for safely and for efficient controlling adult populations of flying pests. A self-contained reservoir system for automated misting of pesticides (as opposed to merely spraying) is disclosed which can be operated in remote location without the availability of line power or pressurized water. The present automated spraying system comprises a secure controller unit with locking features, and a plurality of dispersing elements attached to the unit. Enclosed within the weatherproof and secure enclosure of the unit is a controller, pump, pesticide reservoir and power source for delivering controlled amounts of a pesticide mixture to the dispersing elements. The pump is capable of producing pressures sufficient for producing a mist from the dispersing elements. The pesticide reservoir holds pre-measured and premixed pesticide that can be used for direct treatment of an area. A misting schedule is entered into the controller, or timer.

Abstract: The invention relates to a liquid spray bottle with combined drive, equipped with a liquid propulsion member (50) that has a main axis of translation (X?X) coupled, on the one hand, to a spray member (9) comprising a nozzle (11) having an axis of diffusion (Y?Y) and, on the other hand, to a container (3) containing the liquid.

Abstract: The present invention is a dispenser adapted to be coupled to a fluid container. The dispenser comprises a dispensing head, an energy source, and a fluid pathway. The dispensing head includes a fluid pump, a motor adapted to power the pump, a trigger adapted to control the motor, and a nozzle orifice in fluid communication with a discharge end of the pump. The fluid pathway has one portion in fluid communication with an intake end of the pump and another portion inside the container.

Abstract: The present invention relates to a spray head for spreading liquid or semi-liquid products, preferably foodstuff. A product feeder (5) is provided to feed or convey a product (2) through a feed conduit (3) from a product container (4) to the spray head (1) and spraying nozzles (18) are provided to spread the product (2) when it is discharged from the spray head (1). The spray head (1) comprises three separate members, namely an upper coupling member (7), a lower coupling member (8) and a nozzle member (9) provided therebetween. The upper coupling member (7) is connected to the lower coupling member (8) and to the feed conduit (3). The nozzle member (9) and/or the upper coupling member (7) define, when the upper and lower coupling members (7, 8) are interconnected, distributing spaces (13) for distributing product (2). The spraying nozzles (18) of the nozzle member (9) are provided to open and to close.

Abstract: A hand-held battery power sprayer is formed of a body having a spray nozzle, a trigger, and an internally threaded attachment collar having a passageway therethrough. The attachment collar removably receives a container. As battery powered pump is positioned within the body, the pump having an inlet and an outlet, the outlet being connected by a discharge tube to the spray nozzle and the inlet connected by a suction tube extending through the inlet collar passageway into the interior of a liquid-holding container when the container affixed to the attachment collar. A battery is contained within the body. A switch within the body is actuated by this trigger. Circuitry connects the battery, switch, and pump in series. A passive check valve member normally closes the passageway preventing fluid flow from the container into the body and is displaceable to permit air flow into the container.

Abstract: A liquid sprayer is provided. This liquid sprayer comprises a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor, a voltage source for powering the electric motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also comprises a venting mechanism. This venting mechanism comprises a vent housing having an inner surface and an outer surface, and a translating piston disposed in the vent housing.

Abstract: A fluid spray device including a reservoir containing fluid, a dispenser head including a dispenser orifice, and an actuator device being on the dispenser head and co-operating with a fixing ring in order to actuate a pump or the valve, said actuator device including at least one actuator element pivotally mounted on said dispenser head, each actuator element including an actuator portion cooperating with said fixing ring, and a presser element on which the user exerts an actuation force, said presser element being pivotally mounted with respect to said dispenser head and extending firstly radially away from said dispenser head, and secondly axially towards the reservoir beyond said fixing ring, said actuator portion being pivotally mounted on said presser element and extending radially and axially towards the fixing ring so as to co-operate with said ring from below, when the device is in the upright position.

Abstract: Device comprising a push-button (8), a base element (16) and a cap (10). The push-button (8) is intended to activate a pump (6). The base element (16) is intended to be fixed to the neck (20) of a bottle (4). The cap (10) comprises a sleeve (12) and a membrane (14). The sleeve (12) is made of rigid plastics material, is fixed to the base element (16) and has a tubular portion (22) which extends in an extension direction (30). The membrane (14) is made of elastomer material, is substantially in the form of a disc and extends substantially perpendicularly to the extension direction (30) in the immediate vicinity of the push-button. The membrane has a peripheral edge (28) which is fixed to the sleeve (12) in a sealing manner. The cap defines a cavity (32) which encloses the base element (16) and the push-button (8).

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: The invention relates to a liquid spray bottle with combined drive, equipped with a liquid propulsion member (50) that has a main axis of translation (X?X) coupled, on the one hand, to a spray member (9) comprising a nozzle (11) having an axis of diffusion (Y?Y) and, on the other hand, to a container (3) containing the liquid.

Abstract: A device for preventing the rotation of a power drill attachment relative to a power drill is provided and is described in combination with a liquid sprayer. The device having a container (10) with a supply tube (12) extending downward into the container (10) and upward into a pump inlet (14) which is open to a pump (16.) The pump (16) has on the rearward side a pump seal (18) and a pump drive (20) and on the forward side a pump outlet (22) and nozzle (24). The pump has a rod (26) affixed to it by means of a rod attachment (28). The rod (26) extends rearward and includes an ergonomic rod pillow (30). Also included is a power drill (36) including a power drill trigger (32) and a power drill chuck (34). When energized the power drill (36) imparts rotational energy to the pump (16). Rotation of the pump (16) relative to the power drill (36) is prevented by the communication of the rod (26) the rod attachment (28) and the housing of the power drill (36).

Abstract: A nozzle comprising a thin, flexible substantially planar polymeric film having a plurality of pores with structures allowing for generation of an aerosol at reduced extrusion pressure is disclosed. The pores can comprise at least two sections, or steps, in which the thickness of the membrane is reduced in stepwise fashion, or the pores can be tapered. Nozzles formed comprising pores having such structures permit aerosol generation at lower extrusion pressures, thereby allowing for decreased weight of aerosolization devices, increased efficiency, increased portability and increased battery life. The pore structures also allow for the use of thicker, more easily processed polymeric films in manufacturing while having a thinner, more efficient aerosolization area. The use of decreased extrusion pressures also results in increased uniformity in aerosol generation and improved reliability of other components.

Abstract: A nozzle comprising a thin, flexible substantially planar polymeric film having a plurality of pores with structures allowing for generation of an aerosol at reduced extrusion pressure is disclosed. The pores can comprise at least two sections, or steps, in which the thickness of the membrane is reduced in stepwise fashion, or the pores can be tapered. Nozzles formed comprising pores having such structures permit aerosol generation at lower extrusion pressures, thereby allowing for decreased weight of aerosolization devices, increased efficiency, increased portability and increased battery life. The pore structures also allow for the use of thicker, more easily processed polymeric films in manufacturing while having a thinner, more efficient aerosolization area. The use of decreased extrusion pressures also results in increased uniformity in aerosol generation and improved reliability of other components.

Abstract: An adaptor for use on a spray can which is normally operable by pushing down on a valve button with one's finger to open a valve and release pressurized contents in a sprayed pattern from a nozzle on the valve button. The adaptor releasably attaches to the top of the spray can and includes an actuator mechanism for holding the depressible valve button down in the open position, thereby allowing the pressurized contents of the can to be released from the nozzle without the use of the operator's finger. The actuator mechanism is operable between an on position, to hold the valve button down, and an off position to release the valve button in order to close the spray can valve when it is desired to interrupt spraying.

Abstract: An improved liquid sprayer having a container (12) with a handle (14). A supply tube (16) extends into the container (12) and upward through a container cap (18) and a container cap attachment (20) and into a pump inlet (22) which is open to a pump (24). Adjacent to the front of pump (24) is a pump outlet (26) and a nozzle (27). Adjacent to the rear of pump (24) is a pump drive (32) which removably communicates with a pump drive socket (34) affixed to a conventional rechargeable drill (36). The drill sprayer (10) can be removably attached to the container (12) which then is refilled and reused. Alternately, the drill sprayer (10) can be permanently affixed to the container (12) and therefore disposable.

Abstract: Container structure on which an atomizer can be more conveniently and sealedly installed, including: a container having an opening and at least two first engaging sections formed on outer circumference of the opening; an atomizer seat disposed on the opening of the container and having a first receiving space at lower end thereof, the first receiving space having an opening facing downward, at least two second engaging sections being formed on inner wall of the first receiving space for engaging with the corresponding first engaging sections, a hollow post downward extending from the top of the first receiving space to the open end, a second annular receiving space with a certain depth being defined between the outer circumference of the hollow post and the inner wall of the first receiving space, the opening of the container being tightly inserted in the second receiving space; and an atomizer assembly disposed on the atomizer seat and including a movable valve communicating with the interior of the containe

Abstract: The present invention is a treatment solution supply apparatus for supplying a treatment solution onto a substrate and includes: a discharge nozzle for discharging the treatment solution onto the substrate; a container for storing the treatment solution; a supply piping for connecting the discharge nozzle and the container; a pump provided along the supply piping; a pump drive mechanism for controlling operation of the pump; a circulation piping having one end branching out from the piping between the container and the pump and another end provided at the pump; a filter, provided at some midpoint along the supply piping and between the one end and the other end of the circulation piping, for filtering the treatment solution to remove a foreign substance; a drain piping for draining the treatment solution filtered by the filter and containing the foreign substance; and a valve provided along the drain piping for controlling a flow rate of the treatment solution drained from the filter.

Abstract: A liquid sprayer is provided. This liquid sprayer comprises a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor, a voltage source for powering the electric motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also comprises a venting mechanism. This venting mechanism comprises a vent housing having an inner surface and an outer surface, and a translating piston disposed in the vent housing.

Abstract: A paint sprayer filter system includes an intake tube having a rigid paint flow control and filter support frame connected to the open end thereof. A reusable filter is connected to the frame and surrounds the frame, the reusable filter being releasably connected to the frame to provide easy removal or attachment of the reusable filter.

Abstract: A hand-held plant watering device used by a gardener or plant caregiver for watering difficult to reach plants. The watering device can be used both indoors and outdoors and is designed for holding and dispensing various quantities of water to each plant. The device includes broadly a flexible water tube attached at one end to a clear plastic water cylinder with a slidable plunger. The flexible water tube includes a first end having a removable defuser for spraying water onto a plant. A second end of the flexible water tube is attached to and is in fluid communication with a first end of the water cylinder. The water cylinder has a liquid measurement index along it's length for metering a desired amount of water from the cylinder. A second end of the water cylinder is used for receiving a first end of the slidable plunger. The first end of the plunger includes a piston with “O” ring therearound.

Abstract: The fan propelled misting apparatus for cooling an extended area by evaporative cooling includes a blower with a hollow, cylindrical mist discharge tube, and a fan for propelling air flow through the mist discharge tube; and a misting device connected to the blower for delivering a fine spray of water to the cylindrical mist discharge tube. The misting device includes a pressurizable fluid tank, such as a piston type pump, with a water supply tube connected between the pressurizable fluid tank and the mist discharge tube for delivering the fine spray of water to the cylindrical mist discharge tube. The water supply tube has a nozzle at a distal end of the water supply tube disposed in the mist discharge tube so as to deliver the fine spray of water in the air flow provided by the blower. A valve is provided for controlling flow of water through the water supply tube.

Abstract: A device for discharging a fire retardant material comprising a housing capable of storing a fire retardant material. The housing has an initiator attached to a first end, while a discharging port is attached at a second end. Additionally, sealed within the housing is a driver which forces the fire retardant material towards the discharging port. The driver follows a path defined by a bypass tube located centrally within the housing. The driver is forced along the path by exit gases created by the initiator attached at the first end. The housing also has a choke assembly located near the second end thereof. The choke assembly selectively controls the rate at which the fire retardant material and the pressurized gases exit through the discharging port. The choke assembly has a choke body with a first and second cavity. Furthermore, choke body has passageways and apertures for directing the flow of both the fire retardant material and the pressurized gases.

Abstract: A herbicide applicator is in the form of an extended tube with a bell on the bottom to restrict the spray of herbicides. The tube includes a pump at the bottom which is connected to a nozzle within the bell. The pump is operated by a rod extending to the top of the tube. The rod is spring biased in a down position. The pump is operated by lifting the rod at the top and releasing the rod. The spring in the pump forces a measured amount of herbicide upon the release.

Abstract: A nozzle comprising a thin, flexible substantially planar polymeric film having a plurality of pores with structures allowing for generation of an aerosol at reduced extrusion pressure is disclosed. The pores can comprise at least two sections, or steps, in which the thickness of the membrane is reduced in stepwise fashion, or the pores can be tapered. Nozzles formed comprising pores having such structures permit aerosol generation at lower extrusion pressures, thereby allowing for decreased weight of aerosolization devices, increased efficiency, increased portability and increased battery life. The pore structures also allow for the use of thicker, more easily processed polymeric films in manufacturing while having a thinner, more efficient aerosolization area. The use of decreased extrusion pressures also results in increased uniformity in aerosol generation and improved reliability of other components.

Abstract: The present invention is a treatment solution supply apparatus for supplying a treatment solution onto a substrate and includes: a discharge nozzle for discharging the treatment solution onto the substrate; a container for storing the treatment solution; a supply piping for connecting the discharge nozzle and the container; a pump provided along the supply piping; a pump drive mechanism for controlling operation of the pump; a circulation piping having one end branching out from the piping between the container and the pump and another end provided at the pump; a filter, provided at some midpoint along the supply piping and between the one end and the other end of the circulation piping, for filtering the treatment solution to remove a foreign substance; a drain piping for draining the treatment solution filtered by the filter and containing the foreign substance; and a valve provided along the drain piping for controlling a flow rate of the treatment solution drained from the filter.

Abstract: A portable automatic misting device (20) uses a misting device assembly (38) to automatically disperses a mist (36). The misting assembly (38) includes a hollow cylinder (40) that forms a liquid reservoir (50) that is in fluid communication with a one-way valve (76,102) that permits liquid flow into the reservoir (50). The reservoir (50) has fluid communication with a misting nozzle (34) through a hollow plunger rod (28). A plunger (42), a spring (48) and a portion of the hollow plunger rod (28) are located inside the hollow cylinder (40). The spring (48) is biased to move the plunger (42) and the hollow plunger rod (28) to automatically shrink the liquid reservoir (50). In another embodiment, the plunger rod (28) is solid and the reservoir (50) has fluid communication with the misting nozzle (34) through a second one-way valve (106) that permits liquid flow out of the reservoir (50).

Abstract: A portable automatic misting device (20) uses a misting device assembly (38) to automatically disperses a mist (36). The misting assembly (38) includes a hollow cylinder (40) that forms a liquid reservoir (50) that is in fluid communication with a one-way valve (76) that permits liquid flow into the reservoir (50). The reservoir (50) has fluid communication with a misting nozzle (34) through a hollow plunger rod (28). A plunger (42), a spring (48) and a portion of the hollow plunger rod (28) are located inside the hollow cylinder (40). The spring (48) is biased to move the plunger (42) and the hollow plunger rod (28) to automatically shrink the liquid reservoir (50).

Abstract: For humidifying the air in an aircraft cabin, individual spray nozzles are each directed towards a zone including the face of a passenger and fed with water via a controllable closure valve. Typically, each spray nozzle is fed by a respective cartridge or can of pressurized water located in a receptacle formed in a seatback.

Abstract: A portable drywall joint compound pump workstation supplies joint compound to a workstation outlet that is conveniently located. The workstation includes a joint compound supply reservoir having an open top, a pump that pumps joint compound from the supply reservoir, a portable cart that supports the supply reservoir and the pump, and a removable transport tube that feeds joint compound from the pump to the workstation outlet. With the transport tube in place the workstation outlet is held in a relatively stable position in the vicinity of the open top of the supply reservoir. The pump is located below the joint compound supply reservoir, and is a gravity-fed, pneumatic diaphragm pump. The pump inlet is connected to the bottom of the supply reservoir and the pump outlet is located beneath the pump inlet. The pump is thus self-draining. A compressed air manifold assembly including a plurality of compressed air supply ports is provided.

Abstract: The present invention is directed toward a locking mechanism for aiding in the prevention of accidental or unintentional disengagement of the nozzle assembly from a needleless injection device. In one embodiment of the locking mechanism, a stud positioned on the nozzle assembly engages a recess in the injector to help to deter the nozzle assembly from rotating during firing of the injector. In another embodiment of the locking mechanism, a nib on the nozzle assembly engages a recess in the injector to deter the nozzle assembly from rotating during firing of the injector. A retaining element may be utilized within the injector to provide the recesses for engagement with the locking mechanisms.

Abstract: Portable washing apparatus having a self-contained pressurized supply of a washing liquid is disclosed. The apparatus is charged with the washing liquid from a pressurized source of the liquid via an independent charging stand connected to the source. Hydraulic pressure of the source charges the apparatus with the washing liquid and cocks or biases the biasing means of the apparatus to a pressurized state. A trigger-operated valve provides for selective discharge of the liquid from the apparatus. An auxiliary reservoir holding a cleaning agent is provided on the apparatus, as well as a scrubbing means. The cleaning agent is mixed with the washing liquid as desired and appropriate for the washing task being performed.