FR2882944A1 - Piezoelectric nebulizer for nebulizing liquid, has piezoelectric unit isolated in polyethylene capsule, and level detector maintaining level of liquid at constant height, such that functioning of unit is stopped when level is insufficient - Google Patents

Piezoelectric nebulizer for nebulizing liquid, has piezoelectric unit isolated in polyethylene capsule, and level detector maintaining level of liquid at constant height, such that functioning of unit is stopped when level is insufficient Download PDF

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Publication number
FR2882944A1
FR2882944A1 FR0502361A FR0502361A FR2882944A1 FR 2882944 A1 FR2882944 A1 FR 2882944A1 FR 0502361 A FR0502361 A FR 0502361A FR 0502361 A FR0502361 A FR 0502361A FR 2882944 A1 FR2882944 A1 FR 2882944A1
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France
Prior art keywords
liquid
level
capsule
piezoelectric
unit
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Granted
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FR0502361A
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French (fr)
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FR2882944B1 (en
Inventor
Philippe Roux
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
    • B05B17/0615—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers spray being produced at the free surface of the liquid or other fluent material in a container and subjected to the vibrations
    • 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
    • B05B12/081—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 the weight of a reservoir or container for liquid or other fluent material; responsive to level or volume of liquid or other fluent material in a reservoir or container

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  • Special Spraying Apparatus (AREA)

Abstract

The nebulizer has a reservoir (9) containing a liquid to be nebulized and a piezoelectric unit (12) disposed under the reservoir and isolated in a polyethylene capsule (11) with demineralized water. The capsule is closed by a polyethylene membrane separated from the reservoir. A level detector maintains the level of the liquid at a constant height, such that the functioning of the unit (12) is stopped when the level is insufficient.

Description

1 Nébuliseur piézo-électrique.1 Piezoelectric nebulizer.

Domaine technique de l'invention.Technical Field of the Invention

La présente invention est du domaine de la nébulisation des liquides par effet piézo-électrique.  The present invention is in the field of liquid nebulization by piezoelectric effect.

Etat de la technique antérieure.State of the prior art.

Dans les appareils connus qui réalisent la nébulisation d'un liquide, l'élément piézo-électrique est directement en contact avec le liquide à nébuliser ce qui entraîne rapidement et inexorablement la détérioration de sa surface.  In known devices that realize the nebulization of a liquid, the piezoelectric element is directly in contact with the liquid to be sprayed, which quickly and inexorably causes the deterioration of its surface.

Objet de l'invention.Object of the invention

La présente invention a pour but de remédier à cet inconvénient.  The present invention aims to overcome this disadvantage.

A cet effet, on a imaginé d'isoler l'élément piézo-électrique dans une capsule 20 contenant un liquide neutre tel que, par exemple, mais non exclusivement, de l'eau déminéralisée.  For this purpose, it has been devised to isolate the piezoelectric element in a capsule 20 containing a neutral liquid such as, for example, but not exclusively, demineralised water.

La capsule est réalisée en un matériau tel que, par exemple, mais non exclusivement, du polyéthylène résistant à l'attaque chimique des produits à nébuliser.  The capsule is made of a material such as, for example, but not exclusively, polyethylene resistant to the chemical attack of the products to be sprayed.

Un détecteur de niveau du liquide à nébuliser stoppe le fonctionnement de l'élément piézo-électrique lorsque ledit niveau est insuffisant, ce qui évite la détérioration de la capsule.  A level sensor of the liquid to be sprayed stops the operation of the piezoelectric element when said level is insufficient, which prevents the deterioration of the capsule.

D'autre part, pour optimiser le fonctionnement de l'élément piézoélectrique, on maintient le niveau du liquide à nébuliser à une hauteur constante en disposant le contenant dudit liquide à l'avers de manière que l'écoulement du contenu ne puisse avoir lieu que par une entrée d'air correspondante. io  On the other hand, to optimize the operation of the piezoelectric element, the level of the liquid to be nebulized is maintained at a constant height by placing the container of said liquid in the obverse so that the flow of the contents can take place only by a corresponding air inlet. io

Par ailleurs, un ventilateur permet l'évacuation des particules nébulisées.  In addition, a fan allows the evacuation of nebulized particles.

Description des dessins.Description of the drawings.

La figure 1 est une vue de profil du nébuliseur objet de l'invention.  Figure 1 is a side view of the nebulizer object of the invention.

La figure 2 est une vue en élévation et en coupe du nébuliseur suivant l'axe A-A de la figure 1.  FIG. 2 is an elevational view in section of the nebulizer along the axis A-A of FIG. 1.

La figure 3 est une vue de détail de côté et en coupe de l'encapsulage de l'élément piézo-électrique suivant l'axe D-D de la figure 2.  FIG. 3 is a detail view from the side and in section of the encapsulation of the piezoelectric element along the axis D-D of FIG. 2.

Description de l'invention.Description of the invention

Sur les dessins, le repère 2 désigne la carrosserie du nébuliseur coiffé d'un couvercle latéral 1.  In the drawings, the mark 2 designates the body of the nebulizer capped with a lateral cover 1.

Le flacon contenant le liquide à nébuliser est désigné par le repère 3. Son goulot 4 est 20 introduit dans l'ouverture 5 d'un support 6 reposant, par un piétement 7, sur le fond 8 de la carrosserie 1.  The bottle containing the liquid to be sprayed is designated by the mark 3. Its neck 4 is introduced into the opening 5 of a support 6 resting, by a base 7, on the bottom 8 of the bodywork 1.

Ce support 6 en matière plastique forme un bol 9 destiné à contenir le liquide à nébuliser issu du flacon 3.  This support 6 made of plastic forms a bowl 9 intended to contain the liquid to be sprayed from the bottle 3.

Sous le bol 9 est fixée une capsule 11 à laquelle est soudée une membrane 18 et où est retenu l'élément piézo-électrique 12 qui baigne dans un liquide neutre 13 tel que de l'eau déminéralisée.  Under the bowl 9 is fixed a capsule 11 to which is welded a membrane 18 and which is retained the piezoelectric element 12 which baths in a neutral liquid 13 such as demineralized water.

La membrane (18) de la capsule 11 retenant l'élément piézo-électrique 12 le sépare du liquide à nébuliser contenu dans le bol 9.  The membrane (18) of the capsule 11 holding the piezoelectric element 12 separates it from the liquid to be atomized contained in the bowl 9.

L'élément piézo-électrique 12 est maintenu sur la capsule 11 par un support 19.  The piezoelectric element 12 is held on the capsule 11 by a support 19.

Dans le bol 9 est disposé un détecteur de niveau 14 fixé par une queue 15 traversant le fond dudit bol. Ce moyen maintient le niveau du liquide à nébuliser à une hauteur constante de manière que, quand ce niveau est insuffisant, le fonctionnement de l'élément piézo-électrique 12 soit stoppé.  In the bowl 9 is disposed a level detector 14 fixed by a tail 15 through the bottom of said bowl. This means maintains the level of the liquid to be atomized at a constant height so that, when this level is insufficient, the operation of the piezoelectric element 12 is stopped.

Egalement, la disposition du flacon 3 est telle qu'il ne peut se vider dans le bol 9 que si une entrée d'air a lieu. Cette disposition concoure aussi à maintenir un niveau constant du liquide à nébuliser dans le bol 9.  Also, the disposition of the bottle 3 is such that it can not be emptied into the bowl 9 unless an air inlet takes place. This arrangement also contributes to maintaining a constant level of liquid to be sprayed in the bowl 9.

Les particules nébulisées s'échappent par l'ouïe 17 pratiquée dans le support 6. Un ventilateur 16 accélère l'évacuation desdites particules hors de l'appareil.  The nebulized particles escape through the hearing 17 made in the support 6. A fan 16 accelerates the evacuation of said particles from the apparatus.

La capsule 11 et la membrane (18) sont, de préférence, réalisées en polyéthylène laissant transmettre les fréquences vibratoires émises par l'élément piézo-électrique 12.  The capsule 11 and the membrane (18) are preferably made of polyethylene allowing to transmit the vibratory frequencies emitted by the piezoelectric element 12.

L'encapsulage de l'élément piézo-électrique 12 a pour effet de l'isoler du liquide à 20 nébuliser contenu dans le bol 9 et, par conséquent, de le protéger des attaques chimiques dudit liquide susceptibles de le détériorer.  The encapsulation of the piezoelectric element 12 has the effect of isolating it from the liquid to be atomized contained in the bowl 9 and, consequently, from protecting it against the chemical attacks of the said liquid, which can damage it.

Il va de soi que toutes modifications de détails utiles peuvent être apportées à l'invention sans pour autant en déborder le cadre. Io  It goes without saying that any modifications of useful details can be made to the invention without overflowing the frame. io

Claims (1)

4 Revendications4 Claims 1 - Nébuliseur comprenant un récipient (9) en matière plastique destiné à contenir le liquide à nébuliser, un élément piézo-électrique (12) réalisant la nébulisation disposé sous le récipient (9), caractérisé en ce que l'élément piézo-électrique est isolé dans une capsule (Il) contenant un liquide neutre (13).  1 - Nebulizer comprising a container (9) made of plastic material for containing the liquid to be sprayed, a piezoelectric element (12) producing the nebulization arranged under the container (9), characterized in that the piezoelectric element is isolated in a capsule (II) containing a neutral liquid (13). 2 - Nébuliseur selon la revendication 1, caractérisé en ce que le liquide neutre (13) contenu dans la capsule (11) est de l'eau déminéralisée.  2 - Nebulizer according to claim 1, characterized in that the neutral liquid (13) contained in the capsule (11) is deionized water. 3 - Nébuliseur selon la revendication 1, caractérisé en ce que la capsule (11) est fermée par une membrane (18) qui la sépare du récipient (9).  3 - Nebulizer according to claim 1, characterized in that the capsule (11) is closed by a membrane (18) which separates it from the container (9). 4 - Nébuliseur selon la revendication 3, caractérisé en ce que la capsule (11) et sa 15 membrane (18) sont en polyéthylène ou en toutes autres matières résistant aux attaques chimiques.  4 - Nebulizer according to claim 3, characterized in that the capsule (11) and its membrane (18) are made of polyethylene or any other material resistant to chemical attack. - Nébuliseur selon la revendication 1, caractérisé en ce que le récipient contenant le liquide à nébuliser comporte un détecteur de niveau (14) susceptible de stopper le 20 fonctionnement de l'élément piézo-électrique (12).  - Nebulizer according to claim 1, characterized in that the container containing the liquid to be sprayed comprises a level detector (14) capable of stopping the operation of the piezoelectric element (12). 6 - Nébuliseur selon la revendication 1, caractérisé en ce qu'il est équipé d'un ventilateur (16) facilitant la dispersion des particules nébulisées.  6 - Nebulizer according to claim 1, characterized in that it is equipped with a fan (16) facilitating the dispersion of the nebulized particles. 7 - Nébuliseur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est contenu dans une carrosserie (2) coiffée latéralement d'un couvercle (1)- 8 - Nébuliseur selon les revendications 1 et 3, caractérisé en ce que l'élément piézo-30 électrique (12) est maintenu sur la capsule 11 par un élément 19. i0  7 - Nebulizer according to any one of the preceding claims, characterized in that it is contained in a bodywork (2) capped laterally with a cover (1) - 8 - Nebulizer according to claims 1 and 3, characterized in that the piezo-electric element (12) is held on the capsule 11 by an element 19. i0
FR0502361A 2005-03-10 2005-03-10 PIEZOELECTRIC NEBULIZER Expired - Fee Related FR2882944B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0502361A FR2882944B1 (en) 2005-03-10 2005-03-10 PIEZOELECTRIC NEBULIZER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0502361A FR2882944B1 (en) 2005-03-10 2005-03-10 PIEZOELECTRIC NEBULIZER

Publications (2)

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FR2882944A1 true FR2882944A1 (en) 2006-09-15
FR2882944B1 FR2882944B1 (en) 2007-05-04

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2677437A1 (en) * 1991-06-05 1992-12-11 Seb Sa Portable apparatus for blowing humidified (moistened) and cooled air
EP1182292A1 (en) * 2000-08-16 2002-02-27 The Procter & Gamble Company Apparatus for cleaning and refreshing fabrics with an improved ultrasonic nebulizer, and improved ultrasonic nebulizer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2677437A1 (en) * 1991-06-05 1992-12-11 Seb Sa Portable apparatus for blowing humidified (moistened) and cooled air
EP1182292A1 (en) * 2000-08-16 2002-02-27 The Procter & Gamble Company Apparatus for cleaning and refreshing fabrics with an improved ultrasonic nebulizer, and improved ultrasonic nebulizer

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Effective date: 20141128