Abstract: A device and method for delivering a pharmaceutical composition. The device includes an electronically controllable jetting device in communication with a source of a pharmacologically active material and a solid or fluidic mixing medium for receiving the ejected pharmacologically active material and directing it toward an end use destination.

Abstract: A pneumatic inhaler that is able to deliver a controlled burst or dose of aerosol from a reservoir of liquid or powder medication. A supersonic jet of gas is emitted from a nozzle and shock waves are developed in the jet. In one embodiment the supersonic jet is directed into a shock chamber. Liquid or micronized powder material is introduced into the supersonic jet to form an aerosol. In one embodiment, smaller aerosol particles are separated from larger aerosol particles with a separator. In another embodiment, the produced aerosol is contained in an aerosol storage chamber prior to inhalation by the users.

Abstract: An atomizer that can prevent the splattering of droplets is revealed. When atomization occurs, the reservoir of an atomizer containing a liquid is closed to prevent droplets from splattering, and when the atomization ceases, the outlet of the reservoir is opened after the droplets gravitate down to the reservoir for mist dissipation. Moreover, a partition may be introduced into the atomizer, and the partition is located between an atomizing source and the outlet of the reservoir for blocking the splattering droplets.

Abstract: An apparatus (1) for nebulising a liquid, in particular for medical use, comprises a box case (2) and a compressor assembly (4) housed internally to the box case (2) and provided with an air intake conduit (5) and an air delivery conduit (6). A device (10) for activating the compressor assembly (4) is housed internally to the box case (2) and is provided with an external command (16) which can be activated by the user. A nebulising bulb (17) is housed in the box case (2), presents a terminal mouthpiece (18) and is provided with an air inlet section placed directly in communication with the delivery conduit (6) of the compressor assembly (4).

Abstract: The invention provides self-pressurizing sprayer assembly 10 with a single external bulkhead fitting 40. The invention includes hose 14 connected to bulkhead fitting 40 and T-type connector 16 connected to the other end of hose 14. T-type connector 16 couples hose 14 to hand operated discharge control valve 20 and quick-disconnect fitting 18. Alternatively, hose 114 is fitted with a female quick-disconnect connector and connects directly to discharge control valve 116 or quick-disconnect fitting 18. Quick-disconnect fitting 18 couples hose 14 or hose 114 to a source of domestic water supply, such as garden hose 89.

Abstract: This invention is related to sanitary apparatus, more particularly, it is involved with the liquid spraying apparatus (include spraying nozzle and its joint one-way valve; gasbag and its joint gas pipe; liquid container and the built-in water inlet pipe as well as the water inlet valve connected with the water inlet pipe.) used in the sanitary tools such as wringing mop, glass eraser, water broom and hair brush, etc. The nozzle, gasbag and liquid container shall be connected with a T-pipe. This newly invented liquid spraying device adopts liquid spraying principle based on pneumatic compression. The alkaline liquid and the cleaning water shall be sprayed out by pressing the gasbag. The device can be incorporated in various sanitary tools, with excellent reliability and convenient operation.

Abstract: A paint sprayer for spraying a fluid comprises a housing that houses a motor, a pump, and a fluid passage. A handle is coupled to the housing and a paint cup is coupled to the handle for storage of a fluid. The handle is positioned between the housing and the paint cup. The paint sprayer has a center of gravity region. A longitudinal axis of the handle and a longitudinal axis of the paint cup are aligned with the center of gravity region of the paint sprayer. A gripping zone of the paint sprayer is also aligned with the center of gravity region.

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 diffuser assembly includes a base, oil reservoir, diffusor jet unit, baffled glass top and an electric air pump. The assembly provides a fine aromatic oil mist from the glass top when the jet unit is energized. The baffled glass top locks into a diffusor housing from the top and the oil reservoir threads into the bottom of the housing.

Abstract: An apparatus and method for providing a nebula or aerosol to a patient. In one aspect, a nebulizer is pressure sensitive so that nebulization is coordinated with a breathing cycle of the patient. The nebulizer includes a movable gas diverter that diverts pressurized gas across a liquid outlet. The diverter is moved in response to the patient's breathing cycle. In one aspect, a biasing member moves the diverter. According to another aspect of the nebulizer, an annular liquid orifice disperses an aerosol in a radial direction in response to a pressurized gas flow from an orifice located concentrically thereto. Multiple liquid orifices may be provided. In a further aspect of the nebulizer, a reservoir includes an upper, wide portion and a lower narrow portion to apply relatively uniform pressure at a liquid orifice.

Abstract: The invention concerns a nebulizer chamber for aerosol systems, which is made up of an outlet duct (21) which extends vertically to the top starting from an annular nebulised liquid passage, and an anti-spill system (24, 25) positioned between the outlet duct and the annular passage to prevent spilling of the medicinal liquid due to tilting or dropping of the chamber. The chamber also has a nebulizer nozzle with a baffle (30) to deflect the larger nebulised particles.

Abstract: The neblizer vial (10) for aerosol therapy comprises a tube (14) fed at a first end with compressed air, the tube (14) being constricted at its second end prior to the relative exit orifice (16) to obtain a venturi effect. The orifice (16) of the tube (14) emerges from the free surface of a solution (22) of an aerosol therapy medicament, a nozzle (18) being concentrically mounted on the second end of the tube (14) such that between the tube (14) and nozzle (18) there remains an interspace (20) communicating with the solution (22). A flow breaker device (26) is provided above the orifice (30) of the nozzle (18). The vial (10) is provided with an exit (34) for the formed aerosol and an inlet (24) for entry of external air as a result of suction exerted by the patient on the exit (34). For diameter parity of the orifice (30) of the nozzle (18), means are provided to vary the distance between the nozzle orifice (30) and the flow breaker device (26).

Abstract: An apparatus for freshening air, comprising: a base unit having a recess for engaging at least one cartridge; a power supply operably connected to the base unit; an active portion of a nebulizer that includes a piezoelectric element connected to be driven by a driving and switching circuit connected to the power supply, wherein the active portion is incorporated with the base unit; a detachable autonomous liquid droplet dispensing cartridge detachably engagable with the recess of the base unit, wherein the cartridge comprises a first airless bag for storing a first nebulizable liquid, a second airless bag for storing a second nebulizable liquid, a passive portion of the nebulizer, wherein the passive portion includes an interface; a casing enclosing the first and second bags, and housing the passive portion; wherein when the dispensing cartridge engages the recess of the base unit, the passive portion is connected to the active portion.

Abstract: An inhaler is disclosed which delivers medicament or other appropriate fluids to a user, typically in droplet form and typically during inhalation. One embodiment of the inhaler includes an inhaler housing, an airflow conduit assembly which at least extends through the inhaler housing, a mouthpiece which is at least fluidly interconnectable with the airflow conduit assembly, a droplet ejection cartridge housing which is at least partially disposed within the airflow conduit assembly, and a droplet ejection cartridge which is removably disposed within the droplet ejection cartridge housing. Dosing of the medicament can be controlled by the measurement of airflow through the device. Droplets of medicament which are discharged by the droplet ejection cartridge are entrained in the flow of air which is drawn through the airflow conduit assembly by the user's inhalation and are discharged from the inhaler through the mouthpiece.

Abstract: A hand-held compressor nebulizer suitable for vaporizing liquid medication, comprising a casing and a motor-driven air pump. The nebulizer includes a liquid medication supply unit and a vaporizing unit. The vaporizing unit comprises upper and lower vaporizing chambers, the lower chamber including a reservoir for liquid medication from the liquid medication supply unit. The vaporizing unit includes a hollow conical member located within the lower chamber and defining an internal conical passage having a relatively smaller upper end and a relatively larger lower end, the lower end being in communication with the air pump for receiving an upward airflow produced by the air pump. The airflow increases in speed in the upward direction and creates a negative pressure upon exit from the upper end of the conical passage. The vaporizing unit further includes a vaporizing jacket having a tapered interior and disposed around the conical member to form a narrow gap with the conical member.

Abstract: There is provided an ultrasonic atomizer having a start/stop switch and when the switch is turned on (ST1) an oscillation frequency generation unit and an air feeding motor are operated (ST2), an air volume dial is checked and a decision is made as to whether the current mode is a continuous mode or a timer mode (ST3, ST7). If it is the continuous mode a state of operation is displayed by dynamically moving a segment on a display and periodically ringing a buzzer to notify the user accordingly (ST4, ST5). The start/stop switch is turned off, an oscillation unit is stopped and an oscillator is turned off (ST10, ST11), and the air feeding motor is also stopped (ST12). If this state is provided in the continuous mode then an inactive state is indicated by static characters “00” (ST14). This ensures that the user can determine whether the ultrasonic atomizer in the continuous mode currently has the active state or the inactive state.

Abstract: The invention is directed to a dispenser attachment to be mounted on a standard bottle having exterior threads at its neck. The attachment has two side arms emanating from a center. One arms has at its outer end a pressuring air bulb attached thereto. The outer end of the bulb has a one-way ball valve attached therein and another one-way ball valve is attached within the other end of the bulb. The pressurized air generated by the bulb enters directly into the interior of the bottle by way of a passage way. The passage way has a bypass just downstream of said one-way ball valve to accommodate the inward movement of the ball. The pressurized fluid in the bottle is controlled by a single unit ball valve assembly having a push button under a bias of a spring. The push button is located at the top of the attachment and is flush with its surface.

Abstract: An apparatus for delivery of a medicament to the respiratory system comprises a reservoir that is adapted to hold a liquid medicament that is to be delivered to a respiratory system. An aerosol generator is provided that is adapted to aerosolize the liquid medicament. A liquid supplier is used to deliver the liquid medicament from the reservoir to the aerosol generator. A connector is operably coupled to the aerosol generator and comprises a gas conduit having an inlet, and an outlet, and an aerosol supply conduit. The aerosol generator is configured to provide the aerosolized liquid medicament into the gas conduit through the aerosol supply conduit, and the gas conduit is adapted to pass gases to entrain the aerosolized liquid medicament.

Abstract: An apparatus and method for providing a nebula or aerosol to a patient. In one aspect, a nebulizer is pressure sensitive so that nebulization is coordinated with a breathing cycle of the patient. The nebulizer includes a movable gas diverter that diverts pressurized gas across a liquid outlet. The diverter is moved in response to the patient's breathing cycle. In one aspect, a biasing member moves the diverter. According to another aspect of the nebulizer, an annular liquid orifice disperses an aerosol in a radial direction in response to a pressurized gas flow from an orifice located concentrically thereto. Multiple liquid orifices may be provided. In a further aspect of the nebulizer, a reservoir includes an upper, wide portion and a lower narrow portion to apply relatively uniform pressure at a liquid orifice.

Abstract: A nebulizer includes nebulization device for nebulizing a substance and a reservoir having a metering chamber arranged so as to feed a substance to be nebulized to the nebulization device and a second chamber arranged to hold and retain any of this substance in excess of the volume held in the metering chamber.

Abstract: A unitary breathing head device for administering intermittent percussive ventilation to a patient having an airway and for use with an IPV device having a source of continuous gas flow and having a source of pulsed gases comprising a combination injector and exhalation valve assembly comprising a main body having an airway port for communication with the airway of the patient and having proximal and distal extremities and a flow passage extending from the proximal extremity to the distal extremity. The main body has a depending portion forming a plenum chamber in communication with the flow passage in the main body. A nebulizer is removably secured to the depending portion of the main body and has a nebulizer chamber in communication with the plenum chamber. The depending portion of the main body and the nebulizer form a handle adapted to be gripped by the hand of the patient holding the breathing head assembly.

Abstract: Devices and methods for nebulizing a fluid are described. A replaceable fluid assembly may include a reservoir and a fluid cartridge. The reservoir may be detachable from the fluid cartridge and may be assembled by the prior prior to loading into the nebulizing device.

Abstract: A method and a process are disclosed for optimizing an electrostatically dosed dry powder inhaler (EDPI) for utilization of a prepared pre-metered electro-dose consisting of a electro-powder. An arrangement is set-up for measuring parameters affecting a systemic delivery or local lung delivery of a pre-metered electro-dose from and DPI including analysis of dose de-agglomeration, particle size distribution as well as dose-to-dose variation together with pressures times and flows. A dry powder inhaler, DPI, is adjusted for a systemic or a local lung setting with respect to activation pressure and closing pressure having a DPI with a 20 to 60 liters/minute inhalation air flow for systemic delivery setting and 20 to 80 liters/minute for a local lung setting. Furthermore the de-agglomeration power is adjusted between 0.1 and 6 watts to be used in the DPI by optimizing the pressure drop and inhalation flow rate by changes to the mouthpiece and/or the device member and their relation to each other.

Abstract: A device for nebulizing a fluid is supplied which has a flow director. The flow director helps to direct any bubbles formed by the nebulizing device away from the nebulizing device. The nebulizing device has a vibrating element with apertures through which the fluid is dispensed. A dispensing chamber is defined between the flow director and the vibrating element. The dispensing chamber has an inlet which is positioned below an outlet so that bubbles naturally migrate up and away from the vibrating element.

Abstract: A pocket-type ultrasonic atomizer structure comprised of a water reservoir, an atomization chamber and an atomizing unit of a main unit, and a water supply regulating mechanism, wherein the opening and closing of the water supply regulating mechanism and the water reservoir is integrated such that closing the water reservoir enables the simultaneous entry of a volume of water required in the atomization chamber through atmospheric pressure and the maintenance of a preset liquid surface height to thereby achieve low-voltage atomizing performance.

Abstract: A nebulizing device having two or more nebulizing elements. The nebulizing device may be used to deliver two or more fluids to the patient or may be used for enhanced fluid flow of a single fluid. The nebulizing elements are preferably vibrating elements with holes therein through which the fluid is expelled when the vibrating elements are vibrated.

Abstract: The problem of the invention is to so develop known dispensers, that it is possible to very precisely determine the actual discharged medium volume.

Abstract: A nebulizer apparatus to atomize liquid solutions or suspensions. The nebulizer is typically used in conjunction with a breathing circuit to deliver atomized medicine to a patient. A housing with an opening covered by a thin mesh plate is supplied with the liquid to be nebulized on an “on-demand” basis. The mesh plate or liquid is vibrated at ultrasonic frequencies to atomize the liquid as it passes through the plate into breathing gases flowing through the breathing tube.

Abstract: The present invention relates to a liquid atomizer device for producing aerosols. The device includes a first housing part (A) which includes an inner member (3) of an atomizer nozzle and a first connection for connecting the first housing part (A) to a further housing part to form a nebulizing chamber (1), and further includes a second housing part (B) that includes an outer member of the atomizer nozzle which can be brought into engagement with the inner member (3) to form the atomizer nozzle, and a second connection means (11) that can be brought into engagement with the first connection (9) for connecting the second housing part to the first housing part. The invention is characterized in that a service life indicator (L) is arranged at a place that does not impede the flow passing through the device, but is accessible to the aerosol and a sterilant.

Abstract: A miniaturized ion sprayer device is suitable for coupling with chip-based analytical separation devices, multi-well plates, or surfaces containing residues of prepared samples. One embodiment, a “micro sprayer” device which is suitable for coupling to the terminal edge of a capillary electrophoresis (CE) chip is constructed from modified HPLC tubing and associated fittings and employs a free-standing liquid junction formed via continuous delivery of a flow (1-6 microliters/min) of suitable solvent which carries effluent through a pneumatically-assisted electrospray (ion spray) needle. A second embodiment employs the same features as the microsprayer, but with an extended sampling capillary tube which can reach into the depths of 96, 384, and 1,536 multi-well plates containing either sample solutions or dried sample residues.

Abstract: The present invention relates to a method for transferring one or more active ingredients between different phase carriers, which includes: (a) providing a solid, semi-solid, or nonaqueous liquid drug which contains at least one active ingredient; (b) admixing said drug with water or water solution to form an admixture; and (c) nebulizing said admixture to form liquid fine drops containing said active ingredient. This method enables the active ingredient stored in a solid phase carrier to transfer into an aqueous phase carrier, or enables the active ingredient stored in a non-aqueous liquid carrier to transfer into an aqueous phase carrier. The aqueous phase carrier contains the active ingredient can then be nebulized with a nebulizer by means of ultrasonic vibration. The present invention provides a new method for controlling administration by transferring the active ingredient between different phase carriers.

Abstract: The problem of the invention is to provide an easily manipulatable and long term-usable discharge apparatus. A discharge apparatus for media, particularly for spraying a fluid preferably containing a pharmaceutical substance according to the invention has a casing. On said casing is located an actuator, which is movable relative to the casing by a path corresponding to an actuating stroke path. The discharge apparatus has a control unit, which determines at least the time which has elapsed since the last actuation of the actuator. An actuating stop, operable by the control unit in a controlled manner, in its blocking position blocks the performance of an actuating stroke and allows an actuating stroke to take place in its release position. Such an actuating stop has a blocking member, which can be brought by means of an electromagnet from the release position. into the blocking position and/or from the blocking position into the release position.

Abstract: An inhaler for releasing an aerosol from a container having a lip and an outlet normally sealed by a stem movable relative to the lip. The inhaler has an elongate body comprising a chamber having a first end and a second end, the chamber forming an opening at the first end of the chamber. The elongate body further comprises a stem block with a socket adapted to receive the stem of the container, a dispensing nozzle and a flow restrictive valve. The dispensing nozzle is adjacent to the stem block for providing communication between the socket and the chamber and is adapted to direct a discharge of the aerosol from the container stem into the chamber. The flow restrictive valve is in open communication with the chamber and responsive to a change in fluid pressure. The inhaler also has an actuator pivotably attached to the elongate body. The actuator has an opening adapted to receive the lip of the container and a detent for forming a removable connection between the lip and the actuator.

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: There is described, in conjunction with a vibrating orifice plate type atomizing dispenser, a refill reservoir which has a wick mounted in a unitary wickholder to provide precise locating of the wick in relation to the vibrating orifice plate in the dispenser. There are also described a novel reservoir overcap and wickholder construction in which mating tubular surfaces on these elements telescope together to ensure a good liquid seal without interfering with the wick. There is also described a novel camming arrangement which enables the overcap to be removed easily from the reservoir.

Abstract: A liquid-drop discharge device is provided including a float cell provided with a valve and communicating to a liquid storage tank, a liquid discharge mechanism for discharging liquid within the float cell, and a reaction cell provided with a space into which fluid is discharged from the liquid discharge mechanism for collecting the discharged fluid. Air is supplied to the reaction cell for collecting liquid or minute particles, and an internal pressure P1 of the liquid storage tank or the float cell and an internal pressure P3 of the reaction cell are set such that a relationship of P1=P3, in which the pressures are identical to atmospheric pressure, or P1>P3, to supply stronger air, is satisfied.

Abstract: A metering head for delivering a liquified fuel gas in different combustion chamber sections of a tool and including an inlet (8), at least two outlets (16, 17), and at least one metering valve (5, 5a, 5b) connecting the inlet (8) with the at least two outlets (16, 17).

Abstract: A nebulizing attachment having a body with an open conical chamber formed therein. The body includes a nozzle with a sharp edge behind which a perforation is formed for supplying air under pressure. Another nozzle is provided in communication with the open conical chamber for supplying liquid therein. The liquid is sucked into the chamber by the effect of vacuum brought about by the passage of the air flow from the nozzle to an outlet therefor. The liquid is fractionated and mixed by the effect of turbulence in this chamber.

Abstract: Atomized particles within a desired size range (e.g., 1 micron to about 5 microns) are produced from two immiscible fluids, the first a fuel source containing the formulation to be atomized, and a second fluid source which is contained in a pressure chamber surrounding at least the area where the first liquid is to be provided. The invention provides a method for the formation of small, relatively uniform fuel particles for use in internal combustion engines and a nozzle-type apparatus for providing the particles to a combustion chamber.

Abstract: An ultrasonic nebulizer includes a nebulization chamber for holding a liquid to be nebulized, the liquid being limited by an upper boundary within the chamber, and a nebulization source acoustically couplable to the liquid within the chamber to provide therein an ultrasonic output at an amplitude to cause nebulization. The nebulization source is controllable to vary the amplitude of the ultrasonic output to provide a measurement period during which no nebulization occurs, and a sonar device measures, during the measurement period, a time interval between emission of an acoustic pulse toward the boundary and detection of a component of the emitted acoustic pulse reflected from the boundary, and provides an output signal dependent on the measured time interval for use in determining location information of the boundary within the chamber.

Abstract: The invention is directed to a stable capillary microjet and a monodisperse aerosol formed when the microjet dissociates. A variety of devices and methods are disclosed which allow for the formation of a stream of a first fluid (e.g. a liquid) characterized by forming a stable capillary microjet over a portion of the stream wherein the microjet portion of the stream is formed by a second fluid (e.g. a gas). The second fluid is preferably in a different state from the first fluid—liquid-gas or gas-liquid combinations. However, the first and second fluids may be two different fluids in miscible in each other.

Abstract: The invention provides self-pressurizing sprayer assembly 10 with a single external bulkhead fitting 40. The invention includes hose 14 connected to bulkhead fitting 40 and T-type connector 16 connected to the other end of hose 14. T-type connector 16 couples hose 14 to hand operated discharge control valve 20 and quick-disconnect fitting 18. Alternatively, hose 114 is fitted with a female quick-disconnect connector and connects directly to discharge control valve 116 or quick-disconnect fitting 18. Quick-disconnect fitting 18 couples hose 14 or hose 114 to a source of domestic water supply, such as garden hose 89.

Abstract: A pneumatic nebulizer that produces a high volume of aerosols for inhalent delivery of medications and other constituencies. High pressure gas formed into a gas jet is passed through a thin choked region of fluid that is entrailed and impinged upon an aerosol amplifier which creates a spray whose aerosol components are directed up through vents to an aerosol outlet for delivery. Larger-sized liquid particles are caused to pool up in a region surrounding the aerosol amplifer and then drip down back into the liquid medication reservoir.

Abstract: A nebulizer assembly for engagement in a ventilator circuit is provided in which the nebulizer can be used, maintained and serviced without breaking the ventilation circuit or causing turbulence in the system or loss of pressure. The assembly includes a coupler having two end ports and a lateral port. The coupler defines a chamber in communication with each of the ports. Each of the two end ports are engageable to ventilator circuit hose segments. A tubular housing defines a first opening at a first end and a second opening at an opposite end. The housing defines a passageway between the ends that is in communication with the first opening and the second opening. The first end of the housing is engageable to the lateral port of the coupler. The housing has a bend adjacent the first end of the housing. A valve is disposed within the housing adjacent the first end.

Abstract: An apparatus for spraying a liquid into the atmosphere includes a container (1) for containing the liquid (2), having at least one outlet (3) for the liquid to be expelled outside the container, the outlet being located above the liquid, a device generating (4) a gas stream for expelling the liquid outside the container, a vaporizer (5) that vaporizes the liquid in the gas stream, a sprayer (6) that sprays the vaporized liquid and that includes a column with baffles located downstream of the vaporizer, the vaporizer and the sprayer being integral with a body (7) that is removably mounted on the container.

Abstract: The problem of the invention is to provide an easily manipulatable and long term-usable discharge apparatus.

Abstract: A device for producing a fine oil mist for preferred use in the lubrication of tools used for machining metal includes a vapourising chamber into which a supply line containing oil and air under pressure enters. The oil and air is sprayed through a vapourising nozzle into the vapourising chamber to form the mist. The mist travels from the vapourising chamber into the second chamber through a connection therebetween located in the vapourising chamber at an end opposite the end at which the vapourising nozzle is located. The mist travels through the second chamber and enters an outlet line where the mist is conducted from the device to a place of lubricating application.

Abstract: Invented is a method and system for wet processing substrates (especially for semiconductor wafers and flat panel displays) using nebulized chemicals created and carried by heated chemical gases. Different heated nebulized process chemicals are sequentially pressurized into a process chamber based on various process recipes. The micro nebulized chemicals would penetrate the intricate topologies on the substrates with heated and pressurized energy, and form a process effective thin film on each substrate. The process chamber is made of a material that is well compatible to all process chemicals and gases. It is designed to have the capability of circulating the flow of nebulized chemicals and gases to uniformly treat the inside substrates. The chamber is also designed having minimum open space to save process chemicals and deionized (DI) water.

Abstract: A mouth piece exhalation valve for a nebulizer or breathing circuit. The nebulizer has an internal passageway containing an offset causing an inspiration mist flow to bypass the exhaust valve without impingement. The offset includes a deflector which aids in the deflection of the inspiration mist flow away from the exhaust valve. The deflector is also utilized for directing the exhaust flow upon expiration by a patient through the exhaust valve. The exhaust valve design includes a flap or disc having leaves formed by peripheral arcuate cuts to facilitate the opening and the closing of the leafs in accordance with the expiration and inhalation of a patient respectively. The cuts also aid in the re-introduction of any accumulation of fluid on the external surface of the disc and valve back into the inspirational cycle so as to minimize any external buildup of fluid.

Abstract: An ultrasonic nebulizer for use in an inhaler, humidifier or mist maker, including a container holding a transmission medium, an ultrasonic vibrator having a sound wave generating area controlled by an electronic drive circuit to produce sound waves, and a tubular wave guide connected between the container and the ultrasonic vibrator to concentrate sound waves from the ultrasonic vibrator onto the transmission medium in the container, wherein the tubular wave guide has an inner diameter about the diameter of the sound wave generating area of the ultrasonic vibrator .+-.30%.