Nebulizer systems to generate a mist of micro-droplets of a liquid for the purpose of freshening the atmosphere. Nebulizer systems having a small size that can be mounted on a sales stall to humidify and freshen fresh products displayed for sale, or in a vehicle to humidify and freshen the air and m
Nebulizer systems to generate a mist of micro-droplets of a liquid for the purpose of freshening the atmosphere. Nebulizer systems having a small size that can be mounted on a sales stall to humidify and freshen fresh products displayed for sale, or in a vehicle to humidify and freshen the air and make it pleasant to breathe.
대표청구항▼
1. A nebulizer device, comprising: a nebulizer nozzle with at least one intake opening for an intake of liquid, at least one outlet opening, a piezoelectric component on a side opposite said at least one outlet opening to emit acoustic waves into the liquid, a transversal section of said nozzle havi
1. A nebulizer device, comprising: a nebulizer nozzle with at least one intake opening for an intake of liquid, at least one outlet opening, a piezoelectric component on a side opposite said at least one outlet opening to emit acoustic waves into the liquid, a transversal section of said nozzle having a progressive narrowing in a direction of said at least one outlet opening, in such a way that, in said nebulizer nozzle, the acoustic waves are focused to create a mist of droplets of said liquid;a collection reservoir which supplies said nebulizer nozzle with the liquid;a pump connected to the collection reservoir, and connected said nebulizer nozzle by the at least one intake opening, said circulation pump configured to generate a liquid pressure in said nebulizer nozzle sufficient to maintain a liquid jet emerging via said at least one outlet opening;a pressurizing chamber through which passes the liquid emerging from the circulation pump before entering said nebulizer nozzle,wherein a first volume of an upper part of the pressurizing chamber at a liquid level is at least twelve times as large as a second volume of the nebulizer nozzle, the first volume being higher than a highest of: the at least one inlet opening for the intake of water of the highest nozzle,an upper edge of the at least one outlet opening, anda highest point of the piezoelectric component. 2. The nebulizer device of claim 1, wherein the transversal section of said nebulizer nozzle has a narrowing region to focus the acoustic waves on said at least one outlet opening. 3. The nebulizer device of claim 1, wherein a sum of surfaces of the at least one intake opening is at least three times higher than a section of the at least one outlet opening. 4. The nebulizer device of claim 1, wherein a longitudinal axis of said nebulizer nozzle forms an angle of inclination a with respect to the horizontal which is between 5° and 20°. 5. The nebulizer device of claim 1, further comprising at least one stabilization plate of the level of liquid, arranged horizontally, vertically or at an angle, at least one stabilization plate having at least one opening and/or forming at least one opening with at least one other stabilization plate or a wall of said collection reservoir. 6. The nebulizer device of claim 5, wherein said at least one stabilization plate comprises at least two stabilization plates arranged in such a way that the at least one opening is offset in relation to one another. 7. The nebulizer device of claim 1, wherein a bottom of said collection reservoir is inclined in a direction of a discharge opening through which the liquid enters into said circulation pump. 8. The nebulizer device of claim 1, wherein said collection reservoir and said nebulizer nozzle form a block. 9. The nebulizer device of claim 1, further comprising a ventilator to create a flow of air that carries said mist of droplets towards an exterior of said nebulizer device. 10. The nebulizer device of claim 1, further comprising a collection tube to collect a jet of the liquid jet that emerges from the at least one outlet opening, and to empty into said collection reservoir. 11. The nebulizer device of claim 10, wherein said collection tube is passed through by said flow of air that carries said mist of droplets towards an outlet of the collection tube. 12. The nebulizer device of claim 1, further comprising a secondary liquid reservoir connected to the collection reservoir. 13. The nebulizer device of claim 1, further comprising a heater to evaporate any residual liquid in said nebulizer device after the nebulizer device is deactivated. 14. The nebulizer device of claim 1, further comprising at least one detector to detect a lack of liquid and which is combined with a feedback loop in order to cut off or decrease an intensity of the acoustic waves emitted by the piezoelectric component upon detection of a lack of liquid. 15. The nebulizer device of claim 14, wherein said detector comprises a sensor or a plurality of sensors, and which is configured to measure an electrical parameter of the circulation pump. 16. The nebulizer device of claim 15, further comprising a detector of the level of liquid in the collection reservoir. 17. A method for operating a nebulizer device, the method comprising: permitting a liquid to enter into a collection reservoir of the nebulizer device via an inlet opening;detecting a level of the liquid in the collection reservoir;activating a pump connected to the collection reservoir when a detected level of said liquid is at a first predetermined threshold level;creating, via the pump, a liquid pressure so that the liquid can enter into a nebulizer nozzle, and form a stable jet of the liquid jet to emerge from at least one outlet opening, such that during at least a portion of this time, the liquid is made to enter into the collection reservoir via the inlet opening; andactivating a piezoelectric component to emit acoustic waves into the liquid to create a mist of droplets of said liquid, when a detected level of said liquid has reached a second predetermined threshold level. 18. The method of claim 17, wherein first predetermined threshold level and said second predetermined threshold level are the same.
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이 특허에 인용된 특허 (3)
Carter Robert E. (Auburndale MA) Murphy Donald R. (Wellesley MA), Aerosol dispenser.
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