EP1066118B1 - Nebuliseur perfectionne et systeme de controle de la nebulisation - Google Patents
Nebuliseur perfectionne et systeme de controle de la nebulisation Download PDFInfo
- Publication number
- EP1066118B1 EP1066118B1 EP99911872A EP99911872A EP1066118B1 EP 1066118 B1 EP1066118 B1 EP 1066118B1 EP 99911872 A EP99911872 A EP 99911872A EP 99911872 A EP99911872 A EP 99911872A EP 1066118 B1 EP1066118 B1 EP 1066118B1
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- EP
- European Patent Office
- Prior art keywords
- liquid
- flow
- container
- venturi
- atmosphere
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/0012—Apparatus for achieving spraying before discharge from the apparatus
Definitions
- the present invention relates to devices for nebulizing a liquid in the atmosphere, comprising a container intended to contain the liquid, presenting to the minus one liquid outlet opening towards the outside of the container, the opening being placed at the above the liquid, means for generating a gas flow for discharging the liquid towards the outside of the container, means for vaporizing the liquid in the gas flow, means for nebulizing the vaporized liquid.
- a container intended to contain the liquid
- means for generating a gas flow for discharging the liquid towards the outside of the container
- means for vaporizing the liquid in the gas flow means for nebulizing the vaporized liquid.
- Such devices can be used as a simple product diffuser or allow odors to be released into the atmosphere when the liquid in the container is an odorous liquid, in any place according to the desire or the needs of the user, especially in the laboratory to study the influence of odor on the behavior of individuals or the composition of odors, in a marketing agency to ensure promotion of a product, in supermarkets in order to influence the consumption of products, in one any place to ensure its odorization, etc.
- Uses of this type aromatherapy devices are also possible.
- the prior art teaches in particular with document EP 0 608 176 a nebulizer of the type described above.
- the nebulizer includes a container containing the liquid to be nebulize, at the base of which is fixed a gas flow inlet tube.
- the tube passes through the liquid in the container and has a venturi at its upper end above the liquid, venturi to which a liquid suction pipe is connected laterally.
- the upper part of the container is extended by a fractionation chamber intended for reduce the size of the liquid droplets in suspension in the flow gaseous downstream of the venturi, this in order to diffuse at the outlet of the nebulizer a mist of very fine droplets.
- a nebulizer works well, but has drawbacks that can limit very strongly the possibilities of using it. Indeed, the liquid is contained in a container which is integral with the nebulizer and to the base of which the venturi is fixed, which does not confer great flexibility of use. Such a configuration further induces difficult cleaning of the parts making up the nebulizer, in particular of the container, especially when you want to use a different product, and a manufacturing cost Student. In addition, it is not easy to fill the container with spray product each time that it is empty.
- nebulization device for odoriferous liquid in which the liquid to be nebulized is placed in a cartridge interchangeable, disposable when empty. It is the interchangeable cartridge which here comprises the venturi intended to vaporize the liquid.
- This type of nebulizer can allow to solve the drawbacks of filling and cleaning the nebulizer previously described.
- it remains very expensive to use since the cartridge, that it is changed with each refill of product, includes elaborate technical devices, notably the venturi.
- this cartridge being intended for a single use, the means of nebulization which it comprises cannot be as effective as those of a device for which they are intended to be depreciated over the life of the device.
- the apparatus according to the invention makes it possible to use, to contain the liquid to be nebulized, a simple container provided with an orifice which advantageously serves both for filling and for evacuation of the liquid.
- a container can be of the vial type in the upper orifice which will be placed the body including in particular the means of nebulization and vaporization.
- the container can advantageously be discarded when it is empty, with minimum production and operating costs because this container may consist of only means necessary to retain liquid inside, i.e. an envelope waterproof.
- the apparatus according to the invention provides great flexibility and ease. of use by this design.
- the reused vaporization and nebulization means with each change of bottle allow an appropriate sophistication of these if necessary.
- the baffle column allows micro-diffusion of the liquid to be nebulized, in due to the extreme fineness of the droplets obtained, necessary to allow a good suspension of the nebulized liquid in the atmosphere, low consumption of liquid as well as a better performance in odor diffusion in the atmosphere for example.
- the vaporization means comprise a venturi.
- the column comprises a plurality of inclined walls forming baffles on which said vaporized liquid abuts, and the inclined walls form an angle greater than 90 ° with the longitudinal direction flow, so as to avoid retrograde flow of the latter.
- said inclined walls comprise each a hole for the flow passage, the respective holes of two successive walls being off center.
- said hole takes the form of a venturi.
- two successive inclined walls are symmetrical about a plane perpendicular to the longitudinal direction flow flow.
- the means for generating a flow gas to discharge the liquid to the outside of the container include an accelerator flow placed downstream of the nebulization means.
- the flow accelerator comprises a fluid flow enveloping said gas flow and the nebulized liquid downstream of the means of nebulization.
- said flow accelerator includes a fluid flow conveyed axially in a type conduit venturi comprising a convergent followed by a cylindrical part, said gas flow and the nebulized liquid being introduced into said cylindrical part of said venturi type duct laterally.
- FIG. 1 represents a view in longitudinal section of a first example of embodiment of an apparatus making it possible to nebulize a liquid in the atmosphere, according to the invention.
- FIG. 2 represents a view in longitudinal section of a second example of embodiment of an enlarged detail of the apparatus of FIG. 1.
- Figure 3 shows in perspective an overview of a system for to control the nebulization of a liquid in the atmosphere.
- the apparatus making it possible to nebulize a liquid in the atmosphere, or nebulizer, comprises a container 1 intended to contain the liquid 2 to be nebulized, the container 1 having an orifice 3 for the outlet of the liquid towards the outside of the container, the orifice 3 being placed above the liquid 2, means 4 for generating a gas flow to evacuate the liquid 2 towards the outside of the container 1, vaporization means 5 of the liquid 2 in the gas flow, nebulizing means 6 of the vaporized liquid.
- the vaporization means 5 and the nebulization means 6 are integral with a body 7 able to be engaged and detachably held in the orifice 3 of the container 1, as shown in FIG. 1, the body 7 comprising a discharge duct 28 from the liquid 2 to the outside of container 1.
- the container can advantageously consist of a packaging bottle 1 of the product to be nebulized.
- the single orifice 3 of the bottle 1 is used for filling and evacuation of the liquid 2, and will include a tight plug (not shown), used for packaging the product, plug which will be removed to engage the body 7 in the orifice.
- the bottle 1 will advantageously be rigid or semi-rigid so as to allow maintaining the body 7 in the engagement position in the orifice 3.
- the body 7 will have at one of its ends a shape 14 capable of coming to engage on the part top of the bottle 1 comprising the orifice 3.
- the shape 14 may include, as shown in Figure 1, a holding tube 15 engaged in the orifice 3 or on the flange 17 of the bottle by a forced fitting or an assembly helical thread (not shown), or the like, and if necessary an additional stop 16 resting on the upper part of the bottle 1 or of its flange 17.
- the shape 14 of the body 7 will obviously be adapted to that of the container 1 used for an assembly of these two elements.
- the container 1 or the body 7 will include any vent means allowing to empty the container by sucking the liquid into the body as described below.
- the body 7 will be hollow in order to accommodate the vaporization and nebulization means. as explained below and must allow on the one hand a suction of the liquid 2 by its lower part through the orifice 3 of the bottle 1, and on the other hand an outlet of the gas flow comprising the liquid nebulized by its upper part.
- the body 7 will be produced in a rigid material, for example steel or plastic, and will advantageously be consisting of two parts 19 and 20 removable from each other to facilitate access to inside the body 7. In the example of FIG.
- the body 7 takes the form of a tube in two parts, a lower part 19 having at its lower end the form 14 already described for associating a container, and an upper part 20, for example screwed (not shown) or force fitted on the lower part 19, which comprises at its upper end an opening 21 through which the liquid nebulized in the flow comes out gaseous.
- the means for generating a gas flow for discharging the liquid 2 to the outside of the bottle 1 include a pump 4 which delivers a flow of gas supplied to the body 7 by means of a line 18 as will be explained later with a description of the spraying means.
- the gas used will depend on the use of the nebulizer, and will advantageously be ambient air in the case of diffusion of odor from an odorous liquid 2, as shown in the example.
- the means for vaporizing the liquid 2 in the gas flow comprise advantageously a venturi 5 placed for example in the longitudinal axis 23 of the body 7 in its lower part, but advantageously fixed to the upper part 20, by means a plate 35 and screws 34 for example, in order to produce an upper part of the body 7 compact and comprising the means for vaporizing and nebulizing the liquid.
- the lower part 19 of the body has the simple function of carrying the form 14 allowing an association of the body 7 with the container 1. In the event of a change in shape of the container 1, only the removable bottom part 19 of the body 7 will have to be replaced.
- the plate 35 for fixing the venturi 5 will advantageously include at least one passage 36 crossing which allows a return by gravity downwards upstream of the means nebulization, in the container 1 through the orifice 3, of the insufficiently vaporized liquid and who would not be entrained in the nebulizing means 6 due to the weight too important droplets.
- the passage 36 can for example consist of at least one hole placed in the lower part of the plate 35.
- Line 18 routes the air flow in body 7 to the end lower 22 of the venturi 5 passing through the upper end 24 of the body 7 along the axis longitudinal 23 of the latter in the upper part 20 containing the means of nebulization placed above the spraying means, then following so offset in the lower part 19 of the body 7, so that the pipe 18 can be replaced in the longitudinal axis 23 of the body 7 while directing the air flow towards the upper end 24 of the body 7, as shown in FIG. 1. It should be noted that the line 18 could enter the body 7 and follow a path of a differently from that previously described.
- line 18 is in effect of routing the air flow to the inlet of the venturi 5 in order to create a vacuum on the inner wall of this venturi on which a conduit 25 opens, the other end of which 26 immerses in the liquid 2, as shown in FIG. 1.
- the liquid 2 is thus sucked in the venturi 5 and vaporized in the air flow upwards towards the means of nebulization. It is possible, for example, to perform a lateral entry of the pipe 18 in the body 7, for example in its lower part 19 (not shown).
- the nebulization means comprise a column 6 with baffles placed downstream of the venturi 5 to nebulize the vaporized liquid 2, ie above the venturi 5 according to the arrangement along a vertical axis of the means shown in Figure 1.
- the venturi 5 allows the liquid 2 to be vaporized in the gas stream in fine droplets, and the column 6 to baffles makes it possible to split these fine droplets into particles of a size of the order of a few micrometers capable of better diffusion of the liquid into the atmosphere in which it is rejected by the outlet 21 of the body 7 downstream of the column 6.
- the column 6 advantageously comprises a plurality of inclined walls 9 placed substantially the one above the other, forming baffles on which the flow abuts two-phase moving generally from bottom to top, i.e. the vaporized liquid in the gas flow, the inclined walls 9 forming an angle ⁇ greater than 90 ° with the longitudinal direction 10 of flow, so as to avoid retrograde flow of the latter between the impact zone of the two-phase flow on a wall and the passage from the latter to the next wall.
- the angle ⁇ will preferably be between 95 ° and 135 °, for example substantially equal to 105 ° as in the example shown in the figure 1.
- the value of the angle ⁇ depends on the size of the particles that one wishes get out of the nebulizer; the closer the angle ⁇ is to 90 ° the more the particles of the finer the nebulized liquid, the further it is 90 ° and the more the flow flow improved and the particles are large.
- Each wall 9 can for example be carried by a tubular junction 27 of a external shape complementary to the internal shape of the upper part of the body 7, thus allowing a contiguous adjustment of the external surface of the tubular junction 27 on the inner surface of the upper part 20 of the body 7 and a practical stack walls 9, as shown in FIG. 1.
- a plurality of walls 9 thus provided with their own tubular junction, for example 4 walls, can be stacked one on the other in order to produce the column 6 with baffles, the wall 9 and its tubular junction 27 being inscribed in a right cylinder in the example shown.
- Each inclined wall 9 will advantageously include a hole 11 for the passage of the two-phase flow, the respective holes 11 of two successive walls 9 being offset, so as to ensure an impact of the flow on the next wall without crossing directly the hole 11.
- the hole 11 will for example be cylindrical with a circular section or oblong and will be placed on the wall substantially in the area most downstream of the impact of the flow on this wall, in the longitudinal direction of flow, as shown in Figure 1.
- the wall of the hole 11 will preferably be non-tangent to the wall inside of the tubular junction 27 and will be slightly set back towards the longitudinal axis 23 of the body 7 as shown in FIG. 1.
- the holes of two successive walls 9 may be symmetrically opposed by relative to the longitudinal axis 23 of the body 7, and diametrically opposite in the case of a body of circular cross section.
- the holes 11 may alternatively be arranged so that the two-phase flow in column 6 through the holes It adopts a generally substantially helical profile, the holes being offset angularly in the same direction of rotation according to a determined pitch, for example regular.
- two successive inclined walls 9 may be symmetrical about a plane perpendicular 12 to the longitudinal direction 10 of the flow, as shown in FIG. 1, this in order to allow a regularity of two-phase flow.
- the through holes 11 of the flow from one wall 9 to the next will adopt a venturi type structure comprising a convergent 50 followed by a cylindrical part 51.
- the venturi type hole 11 allows here to increase the performance of the nebulizer column and help optimize the fractionation particles to increase the homogeneity factor of the particles for a size particle data.
- Column 6 advantageously comprises below each wall 9 from the second wall in the direction of flow after the venturi 5, a funnel 52 for collecting by gravity the liquid not entrained in the flow two-phase, and to route it through hole 11 of venturi type according to two alternatives described below.
- the first alternative (not shown) is that the lowest part of a funnel 52 is linked to the outlet of the hole 11 located upstream so that the liquid drained by the funnel 52 flows by gravity into the hole 11 and is thus discharged into the two-phase flow at the outlet of the hole.
- a second alternative is that the exit from the hole 11 located upstream rises above the lower part of the funnel 52, and a conduit 53 is made in the bottom of the funnel 52 conveying the liquid condensed in hole 11, and more particularly in the cylindrical part of hole 11, as shown in figure 2.
- This second alternative is particularly effective for viscous liquids because it allows to vaporize the liquid in the hole 11 by the venturi effect.
- the funnels and conduits 53 possibly make it possible to avoid a fouling of baffles caused by accumulation of product.
- the nebulization column shown in FIG. 2 advantageously comprises shims 54 of thickness making it possible to adjust the distance separating the outlet from a hole 11 of the next wall 9, this in order to ensure an adjustment of the particle size of the liquid particles.
- the distance between the venturi 5 and the first wall 9, and the distances between the exit from a hole 11 and the next wall will be decreasing preference in the direction of flow, in order to help optimize the liquid droplet fractionation reaction.
- the diameters of the holes 11 for passage of the flow will preferably also be decreasing from the hole 11 of the first wall 9 to the hole of the last wall in the direction of flow.
- column 6 may include an element 55 interposed respectively between two walls 9 successive, and carrying the funnel 52.
- An element 55 will advantageously be placed at the above the last wall 9 in the direction of flow.
- the nebulization column shown in Figure 2 could be inserted into the body 7 of the apparatus shown in Figure 1, for example. It should be noted that the passage of the pipe 18 for supplying the gas flow to the venturi has not been shown on the Figure 2. In addition, it should be noted that two successive holes 11 have been aligned in order to reduce the effects of the nebulization column as necessary.
- the gas flow comprising the liquid 2 nebulized at the outlet of the last wall 9 of the column 6 is then evacuated from the nebulizer through the opening 21 at the top of the body 7.
- the opening 21 can be provided with a simple nozzle 28 if necessary, fixed or directive as required.
- the device represented in FIG. 1 comprises means 4 for generating a flow gaseous for discharging the liquid 2 towards the outside of the container 1 as described above, which additionally and advantageously include a flow accelerator 13, placed downstream of the nebulization means 6, and more particularly downstream of the opening 21 of the body 7, as shown in FIG. 1.
- the flow accelerator 13 preferably comprises a fluid flow enveloping the gas flow and the liquid nebulized, at the outlet of the nozzle 28.
- the function of the accelerator is to avoid or limit the condensation of the liquid in the nebulization column, this by creating a fluid drive flow from the gas flow and nebulized liquid leaving the body 7. Another function of the accelerator flow is to bring additional energy to the nebulized liquid of so as to project it at a greater and variable distance according to the flow rate training fluid. Another function of accelerator flow is to provide a insect trap by pheromone projection. Another function of flow accelerator is to allow a dilution of the nebulized liquid.
- the output of the two-phase flow out of the body 7 is helped by the friction of the enveloping accelerator fluid flow two-phase flow.
- the accelerator fluid flow can be supplied by the pump 4 generating the gas flow at the inlet of the venturi, and conveyed at the outlet of the body 7 by a bypass line derived from line 18 supplying the venturi 5 with flow air.
- the diversion can be carried out in any place preferably before the penetration of the pipe 18 in the body 7.
- the flow accelerator will be supplied by an independent pump 37, and routed out of the body by a line 29 independent of the line 18 supplying the venturi.
- the accelerator flow can advantageously be controlled and controlled from a independently of the gas flow supplying the venturi, in order to obtain greater flexibility of use, and optimal adjustment of the accelerator flow compared to the two-phase flow for better performance of the nebulizer.
- the supply line for the accelerator fluid flow is connected to a nozzle 30 attached for example to the nozzle 28, as shown in FIG. 1.
- the accelerator flow is carried out around the nozzle 28 inside the nozzle 30 of so that it envelops the gas flow and the nebulized liquid, at the outlet of nozzle 28, this in order to create a maximum friction of the accelerator flow on the flow biphasic.
- the nozzle 30 can be provided with a flow exit nozzle 31 accelerator, gas flow, and nebulized liquid, the nozzle 31 can be mounted on a ball joint 32 in order to allow a choice of the direction of exit of the flow.
- the nozzle 28 penetrates inside the body by a projection 56 intended to prevent droplets of liquid from escaping through the opening 21.
- the projection 56 will be provided, on its outer surface, with at least one gutter 57 for channel the droplets of liquid which would condense on the projection, and in order to avoid that the latter are not sucked into the flow leaving the nebulizer.
- the face 58 of the projection 56 will preferably be vertical, the gutter being composed at least one groove placed in a vertical plane and surrounding the projection, as shown in Figure 1.
- the flow accelerator can be achieved using a venturi type opening 21 (not shown) comprising a convergent followed by a part of cylindrical duct.
- a venturi type opening 21 (not shown) comprising a convergent followed by a part of cylindrical duct.
- the two-phase flow at the outlet of the column nebulization is introduced laterally and evenly distributed, by lateral conduits, inside the cylindrical part of the upper opening of the body, venturi type, the accelerator flow being carried axially in the duct principal of the venturi type opening, ie in the convergent. So, the two-phase flow enters the outlet opening of the nebulizer under the effects the suction due to the venturi and the pressure due to the nebulization column, and is accelerated towards the exit of the nebulizer.
- the system for controlling the nebulization of a liquid in the atmosphere shown in Figure 3 comprises at least a plurality of devices 40 according the invention, as described above for example, making it possible to nebulize a liquid in the atmosphere, a plurality of gas sensors 41A making it possible to provide a measurement of the concentration of the nebulized liquid in the atmosphere, control means 42 the operation of the apparatuses 40 as a function of at least one predetermined setpoint and measurements provided by the gas sensors.
- the servo means 42 advantageously comprise a module electronic 43 for command and control of the apparatuses 40, electronic power 44, and a power supply 45 of electrical energy.
- the electronic module 43 of command and control is advantageously provided with emission monitoring software of nebulized liquid.
- the operator enters the instruction (s), via a keyboard 47, in the command and control module 43 which transmits these to the power electronics 44 which controls the operation of the devices 40 by relative to this or these instructions, with the help of sensors 41, in particular gas sensors 41A which refer to the electronic module 43 the measurements taken of the concentration liquid nebulized into the atmosphere.
- the system according to the invention described above can thus operate automatically.
- Electronic command and control will advantageously be provided with a display 48 for controlling the operation of the system, on which the setpoints and the values of the sensors 41 may appear.
- the system according to the invention will advantageously be provided with a portable module for programming 46 enabling wireless communication with the command and control electronics 43.
- the portable programming module 46 will perform the functions of the keyboard and the electronic display 43.
- an operator may intervene in the operation of the devices 40, by modifying the operating instructions directly from the sites where the devices are placed 40 nebulization.
- the system according to the invention will include means for regulation of the flow rate of the gas flow supply pumps of the vaporization means devices and flow rate of the fluid supply pumps of the accelerator means flow at the outlet of the devices.
- the means of regulating the pump flow may for example consist of respective solenoid valves whose opening and closure are controlled according to a determined frequency and by modifying the ratio cyclic.
- the system according to the invention will include means for controlling the level of liquid in the container of the apparatuses 40, according to all known means for example a level 41B electric gauge, in order to stop the operation of devices whose liquid has been completely nebulized, and / or to proceed manually or automatically when filling the containers with liquid, and / or simply to issue a warning signal.
- a level 41B electric gauge for example a level 41B electric gauge
- the system according to the invention will include means for heating the liquid to be nebulized, for example by means of effect modules Peltier, placed under the container of the apparatus 40.
- the system will include jointly 41C liquid temperature sensors to control and control the operation of Peltier effect modules with respect to a temperature setpoint some cash.
- the system according to the invention will advantageously include one or more bases to support and maintain each at least one device according to the invention, the base to which the heating means will be associated as well as one or several 41C temperature sensors.
- the system according to the invention will include 41D ambient temperature sensors and 41E sensors allowing measurement of humidity.
- Sensors 41A to 41E will be connected to the control and control 43 in order to advantageously allow automatic operation of the system according to the invention relative to the measurements transmitted by these sensors.
- the system according to the invention described above is particularly suitable for the controlled diffusion of odors into the atmosphere, which may be different depending on the devices and where they are placed.
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Description
- un récipient destiné à contenir ledit liquide, présentant au moins un orifice de sortie du liquide vers l'extérieur dudit récipient, ledit orifice étant placé au dessus dudit liquide,
- des moyens de génération d'un flux gazeux pour évacuer ledit liquide vers l'extérieur dudit récipient,
- des moyens de vaporisation dudit liquide dans ledit flux gazeux,
- des moyens de nébulisation du liquide vaporisé comprenant une colonne à chicanes placée en aval des moyens de vaporisation,
- un appareil permettant de nébuliser un liquide dans l'atmosphère selon l'invention,
- un capteur gaz permettant de fournir une mesure de la concentration du liquide nébulisé dans l'atmosphère,
- des moyens d'asservissement du fonctionnement dudit appareil en fonction d'au moins une consigne prédéterminée et de ladite mesure fournie par ledit capteur gaz.
Claims (10)
- Appareil permettant de nébuliser un liquide dans l'atmosphère, comprenant :un récipient (1) destiné à contenir ledit liquide (2), présentant au moins un orifice (3) de sortie du liquide vers l'extérieur dudit récipient, ledit orifice étant placé au dessus dudit liquide,des moyens de génération (4) d'un flux gazeux pour évacuer ledit liquide vers l'extérieur dudit récipient,des moyens de vaporisation (5) dudit liquide dans ledit flux gazeux,des moyens de nébulisation (6) du liquide vaporisé comprenant une colonne à chicanes placée en aval des moyens de vaporisation,
- Appareil selon la revendication 1, caractérisé en ce que lesdits moyens de vaporisation comprennent un venturi (5).
- Appareil selon la revendication 1 ou 2, caractérisé en ce que ladite colonne à chicanes comprend une pluralité de parois (9) inclinées formant des chicanes sur lesquelles vient buter ledit liquide vaporisé, et en ce que lesdites parois inclinées forment un angle (α) supérieur à 90° avec une direction longitudinale (10) d'écoulement du flux, de manière à éviter un écoulement rétrograde de ce dernier.
- Appareil selon la revendication 3, caractérisé en ce que lesdites parois (9) inclinées comportent chacune un trou (11) pour le passage du flux, les trous respectifs de deux parois (9) successives étant désaxés.
- Appareil selon la revendication 4, caractérisé en ce que ledit trou (11) adopte une forme de venturi.
- Appareil selon l'une des revendications 3 à 5, caractérisé en ce que deux parois (9) inclinées successives sont symétriques par rapport à un plan perpendiculaire (12) à la direction longitudinale (10) d'écoulement du flux.
- Appareil selon l'une quelconque des revendications 1 à 6, caractérisé en ce que lesdits moyens de génération (4) d'un flux gazeux pour évacuer ledit liquide vers l'extérieur dudit récipient comprennent un accélérateur (13) d'écoulement placé en aval desdits moyens de nébulisation (6).
- Appareil selon la revendication 7, caractérisé en ce que ledit accélérateur d'écoulement comprend un écoulement fluide enveloppant ledit flux gazeux et le liquide nébulisé en aval des moyens de nébulisation (6).
- Appareil selon la revendication 7, caractérisé en ce que ledit accélérateur d'écoulement comprend un écoulement fluide acheminé de manière axiale dans un conduit de type venturi comportant un convergent suivi d'une partie cylindrique, ledit flux gazeux et le liquide nébulisé étant introduits dans ladite partie cylindrique dudit conduit de type venturi de manière latérale.
- Système permettant de contrôler la nébulisation d'un liquide dans l'atmosphère,
caractérisé en ce qu'il comprend au moins :un appareil (40) permettant de nébuliser un liquide dans l'atmosphère selon l'une des revendications précédentes,un capteur gaz (41A) permettant de fournir une mesure de la concentration du liquide nébulisé dans l'atmosphère,des moyens d'asservissement (42) du fonctionnement dudit appareil en fonction d'au moins une consigne prédéterminée et de ladite mesure fournie par ledit capteur gaz.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9804156 | 1998-04-03 | ||
FR9804156A FR2776947B1 (fr) | 1998-04-03 | 1998-04-03 | Nebuliseur perfectionne et systeme de controle de la nebulisation |
PCT/FR1999/000779 WO1999051358A1 (fr) | 1998-04-03 | 1999-04-02 | Nebuliseur perfectionne et systeme de controle de la nebulisation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1066118A1 EP1066118A1 (fr) | 2001-01-10 |
EP1066118B1 true EP1066118B1 (fr) | 2004-09-01 |
Family
ID=9524824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP99911872A Expired - Lifetime EP1066118B1 (fr) | 1998-04-03 | 1999-04-02 | Nebuliseur perfectionne et systeme de controle de la nebulisation |
Country Status (7)
Country | Link |
---|---|
US (1) | US6328233B1 (fr) |
EP (1) | EP1066118B1 (fr) |
AT (1) | ATE275002T1 (fr) |
AU (1) | AU3040499A (fr) |
DE (1) | DE69919855D1 (fr) |
FR (1) | FR2776947B1 (fr) |
WO (1) | WO1999051358A1 (fr) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60003682T2 (de) * | 2000-08-30 | 2004-05-27 | Ing. Erich Pfeffer Gmbh | Miniatur-Spender zur Abgabe von Düften in verschiedenen Anwendungsbereichen und Umgebungen |
DE10052606A1 (de) * | 2000-10-24 | 2002-08-08 | Xcellsis Gmbh | Vorrichtung zur Rückführung kondensierter Flüssigkeit in einen Gasstrom |
FR2817775B1 (fr) * | 2000-12-13 | 2003-09-12 | Euro Digital Systemes | Dispositif de diffusion d'un fluide dans l'atmosphere a reservoir amovible securise |
US6802460B2 (en) | 2002-03-05 | 2004-10-12 | Microflow Engineering Sa | Method and system for ambient air scenting and disinfecting based on flexible, autonomous liquid atomizer cartridges and an intelligent networking thereof |
US7387265B2 (en) | 2002-03-05 | 2008-06-17 | Microwflow Engineering Sa | Method and system for ambient air scenting and disinfecting based on flexible, autonomous liquid atomizer cartridges and an intelligent networking thereof |
DE20211577U1 (de) * | 2002-07-15 | 2003-11-27 | Bolte, Georg, Dr. | Vorrichtung zur kontrollierten Erzeugung von Aerosolen |
FR2852262B1 (fr) * | 2003-03-11 | 2007-01-12 | Procede et dispositif de nebulisation. | |
US6837447B1 (en) | 2003-05-30 | 2005-01-04 | Lacey Booth Clark | Apparatus for adapting air blower to perform liquid dispersal and related method |
GB0328003D0 (en) * | 2003-12-03 | 2004-01-07 | Quill Internat Ind Plc | A mist-spraying apparatus |
DE102004003266A1 (de) * | 2004-01-21 | 2005-08-25 | Seaquist Perfect Dispensing Gmbh | Vorrichtung und Sprühknopf zur Zerstäubung einer kosmetischen Flüssigkeit |
AU2004315146B2 (en) * | 2004-02-09 | 2008-09-18 | Panasonic Electric Works Co., Ltd. | Electrostatic spraying device |
US8920391B2 (en) * | 2004-06-18 | 2014-12-30 | Sunless, Inc. | Container for system for spray coating human subject |
US20050279865A1 (en) * | 2004-06-18 | 2005-12-22 | Innovative Developments, Llc | Fluid spraying system |
US20100129557A1 (en) * | 2004-06-18 | 2010-05-27 | Mt Industries, Inc. | Spray coating at least one portion of a subject |
DE102010060086A1 (de) * | 2010-10-20 | 2012-04-26 | Sata Gmbh & Co. Kg | Farbauftragssystem und Verfahren zu dessen Betrieb |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2382681A (en) * | 1944-06-22 | 1945-08-14 | Trier Vernon Anthony | Liquid atomizer and diffuser |
US4039639A (en) * | 1975-04-10 | 1977-08-02 | Richard L. Kankel | Liquid entraining system of the humidifier and nebulizer type |
FI64288C (fi) * | 1979-01-05 | 1983-11-10 | Taisto Haekkinen | Laekemedelssprayanordning |
DE3224849A1 (de) * | 1982-07-02 | 1984-01-05 | Plantorgan Werk Heinrich G.E. Christensen, KG, 2903 Bad Zwischenahn | Dampfinhaliergeraet |
DE9113446U1 (fr) * | 1991-10-29 | 1992-01-16 | Kendall Medizinische Erzeugnisse Gmbh, 8425 Neustadt, De | |
DK0540775T3 (da) * | 1991-11-07 | 1997-08-25 | Ritzau Pari Werk Gmbh Paul | Forstøver især til anvendelse i apparater til inhalationsterapi |
FR2700482B1 (fr) | 1993-01-19 | 1995-06-23 | Bma Technologies | Micro-diffuseur pour brouillard de particules liquides. |
EP0655282A1 (fr) | 1993-11-29 | 1995-05-31 | AROMANUANCE, Société à Responsabilité Limitée | Appareil de nébulisation de liquides odoriférants |
US5570840A (en) * | 1994-10-14 | 1996-11-05 | Fourth And Long, Inc. | Hand-held spraying apparatus |
US5849005A (en) * | 1995-06-07 | 1998-12-15 | Heartport, Inc. | Method and apparatus for minimizing the risk of air embolism when performing a procedure in a patient's thoracic cavity |
-
1998
- 1998-04-03 FR FR9804156A patent/FR2776947B1/fr not_active Expired - Fee Related
-
1999
- 1999-04-02 AU AU30404/99A patent/AU3040499A/en not_active Abandoned
- 1999-04-02 WO PCT/FR1999/000779 patent/WO1999051358A1/fr active IP Right Grant
- 1999-04-02 US US09/647,691 patent/US6328233B1/en not_active Expired - Fee Related
- 1999-04-02 DE DE69919855T patent/DE69919855D1/de not_active Expired - Lifetime
- 1999-04-02 AT AT99911872T patent/ATE275002T1/de not_active IP Right Cessation
- 1999-04-02 EP EP99911872A patent/EP1066118B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU3040499A (en) | 1999-10-25 |
DE69919855D1 (de) | 2004-10-07 |
FR2776947B1 (fr) | 2000-06-09 |
FR2776947A1 (fr) | 1999-10-08 |
EP1066118A1 (fr) | 2001-01-10 |
WO1999051358A1 (fr) | 1999-10-14 |
ATE275002T1 (de) | 2004-09-15 |
US6328233B1 (en) | 2001-12-11 |
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