FR2503585A1 - Liquid sprayer and atomiser - has tube to nozzle passing through rotary pump with distorting body - Google Patents

Liquid sprayer and atomiser - has tube to nozzle passing through rotary pump with distorting body Download PDF

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Publication number
FR2503585A1
FR2503585A1 FR8107842A FR8107842A FR2503585A1 FR 2503585 A1 FR2503585 A1 FR 2503585A1 FR 8107842 A FR8107842 A FR 8107842A FR 8107842 A FR8107842 A FR 8107842A FR 2503585 A1 FR2503585 A1 FR 2503585A1
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France
Prior art keywords
tube
nozzle
liquid
sprayer
container
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FR8107842A
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French (fr)
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FR2503585B1 (en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2486Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device with means for supplying liquid or other fluent material to several discharge devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2489Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device

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Abstract

The sprayer and atomiser incorporates one or more vessels (3) containing liquid (4) and in which the end of a tube is immersed. The other end of the tube (5,8,9) is connected to a nozzle (10) also connected to a compressed-air supply pipe (11). The length of the tube between vessel and nozzle is large and passes through a rotary peristaltic pump (7). The nozzle atomises the liquid even when not under pressure, being typically dome-shaped. The compressed-air pipe can be arranged to pass through a filter (13) before reaching the compressor (14).

Description

L'invention se rapporte à un pulvérisateur-nébuliseur délivrant sous la forme d'un brouillard un produit prélevé à l'état liquide dans un conteneur approprié. The invention relates to a sprayer-nebulizer delivering in the form of a mist a product taken in the liquid state in a suitable container.

Le domaine d'application de cet appareil est très large on peut notamment citer la désodorisation, l'humidification et la désinfection. The field of application of this device is very broad, we can notably cite deodorization, humidification and disinfection.

A ce jour, on connaît des pulvérisateurs à turbine et plateau de centrifugation (brevet français 2.387.691) mais évidemment ces moyens de pulvérisation ne peuvent conduire qu'à un traitement à la périphérie immédiate de l'appareil. To date, turbine and centrifuge plate sprayers are known (French patent 2,387,691), but obviously these spraying means can only lead to treatment at the immediate periphery of the device.

On connaît également des pulvérisateurs qui, à la manière de pistolet à peinture, comprennent d'une part un récipient contenant le liquide à pulvériser et dans lequel plonge un tube dont l'extrémité supérieure est coudée avant de se terminer en pointe fine et, d'autre part, un ajutage qui, placé près de la courbure du tube, envoie parallèlement à la sortie du tube un fort courant d'air qui, entraînant avec lui l'air du tube, y fait le vide et provoque ainsi une aspiration du liquide qui, en sortant du tube, est éparpillé par le courant d'air. Sprayers are also known which, like a paint spray gun, comprise on the one hand a container containing the liquid to be sprayed and into which a tube is immersed, the upper end of which is bent before ending in a fine point and, d 'on the other hand, a nozzle which, placed near the curvature of the tube, sends parallel to the exit of the tube a strong current of air which, carrying with it the air of the tube, makes the vacuum there and thus causes a suction of the liquid which, leaving the tube, is scattered by the air stream.

Un tel appareil ne peut également convenir que pour une pulvérisation à proximité du récipient car la force d'aspiration créée par le courant d'air n'est pas suffisante pour lutter contre la forte résistance qu'un tube long oppose au déplacement du liquide. Such an apparatus can also only be suitable for spraying near the container because the suction force created by the air stream is not sufficient to combat the high resistance that a long tube opposes the movement of the liquid.

La seule solution connue pour parvenir à pulvériser le liquide à grande distance du récipient est, à l'aide d'un compresseur, de pulser le liquide sous forte pression dans une longue tubulure terminée par une buse. The only known solution for spraying the liquid at a long distance from the container is, using a compressor, to pulsate the liquid under high pressure in a long tube terminated by a nozzle.

Outre qu'avec un tel compresseur, le pulvérisateur est compliqué et de prix élevé, on déplore que sous la pression, le liquide ne se divise qu'en gouttelettes importantes plutôt que sous forme d'un brouillard de gouttelettes très ténues. Besides that with such a compressor, the sprayer is complicated and expensive, it is regrettable that under pressure, the liquid divides only in large droplets rather than in the form of a mist of very fine droplets.

Un résultat que l'invention vise à obtenir est un pulvérisateur-nébuliseur simple et de prix peu élevé qui permet de pulvériser le liquide sous forme de brouillard et à grande distance du récipient de liquide et, par exemple, en des lieux peu accessibles comme par exemple dans des gaines. A result which the invention aims to obtain is a simple atomizer-nebulizer and of low price which makes it possible to spray the liquid in the form of mist and at a great distance from the liquid container and, for example, in places which are not easily accessible such as example in sheaths.

A cet effet, elle a pour objet,un pulvérisateur-nébuliseur notamment caractérisé en ce que le tube raccordant le récipient à la buse a une grande longueur de même qu'en ce qu'afin d'assister la montée du liqude jusqu'à la buse, il passe par une pompe rotative à corps déformable et enfin en ce que la buse est de tout type apte à pulvériser le liquide sans que celui-ci soit sous pression. To this end, it has for its object, a sprayer-nebulizer in particular characterized in that the tube connecting the container to the nozzle has a great length as well as that in order to assist the rise of the liquid up to the nozzle, it passes through a rotary pump with a deformable body and finally in that the nozzle is of any type suitable for spraying the liquid without the latter being under pressure.

L'invention sera bien comprise à l'aide de la description ci-après faite à titre d'exemple non limitatif en regard du dessin ci-annexé qui représente schématiquement le pulvérisateur selon l'invention. The invention will be better understood with the aid of the description below given by way of nonlimiting example with reference to the appended drawing which schematically represents the sprayer according to the invention.

En se reportant au dessin, on remarque que le pulvérisa- teur -nébuliseur selon l'invention comprend un châssis 1 convenable destiné à être posé ou scellé au sol ou au mur ou à reposer sur le sol par l'intermédiaire d'un socle de roulement 2. Referring to the drawing, it can be seen that the sprayer-nebulizer according to the invention comprises a suitable frame 1 intended to be placed or sealed on the ground or on the wall or to rest on the ground by means of a base of bearing 2.

A la base du châssis 1 est logé au moins un récipient 3 de produit 4 à pulvériser. At the base of the frame 1 is housed at least one container 3 of product 4 to be sprayed.

Dans le récipient 3 plonge au moins un conduit 5 dont l'extrémité inférieure porte un moyen 6 de tout type connu apte à interrompre l'action de l'appareil dès que cette extrémité du conduit 5 n'est plus plongée dans le liquide 4 que ce soit par épuisement de celui-ci ou par retrait du dit conduit. In the container 3 plunges at least one conduit 5, the lower end of which carries means 6 of any known type capable of interrupting the action of the apparatus as soon as this end of the conduit 5 is no longer immersed in the liquid 4 than either by exhausting it or by withdrawing said conduit.

Grâce à ce moyen 6, on évite que de l'air soit introduit dans le conduit 5. Thanks to this means 6, it is avoided that air is introduced into the duct 5.

Ce conduit passe ensuite dans une pompe rotative à corps déformable 7, c'est-à-dire comprenant trois galets déphasés de cent vingts degrés qui entrent successivement en contact avec le tube pour le comprimer pendant une rotation de cent vingts ders chacun de telle sorte qu'un nouveau galet est déjà en service avant que le précédent ne quitte le tube. This conduit then passes through a rotary pump with a deformable body 7, that is to say comprising three phase-shifted rollers of one hundred and twenty degrees which successively come into contact with the tube to compress it during a rotation of one hundred and twenty to each so that that a new roller is already in service before the previous one leaves the tube.

En cas d'arrêt d'une pompe de ce type, il n'y a donc pas de cavitation du conduit qui reste donc constamment amorcé. In the event of a pump of this type being stopped, there is therefore no cavitation of the duct which therefore remains constantly primed.

Cette pompe a également l'avantage de n'avoir aucun piston ou clapet en contact avec le produit à pulvériser mais aussi de pouvoir simplement assister la montée du liquide sans lui communiquer une pression supérieure à celle dûe à a hauteur à laquelle on doit élever le produit. This pump also has the advantage of having no piston or valve in contact with the product to be sprayed, but also of being able to simply assist the rise of the liquid without imparting to it a pressure greater than that due to the height at which the pump must be raised. product.

En sortie de la pompe, un conduit 8 raccordée à une longue tubulure de préférence souple 9 amène le liquide jusqu'à une buse 10. At the outlet of the pump, a conduit 8 connected to a long, preferably flexible tubing 9 brings the liquid to a nozzle 10.

Cette buse est de tout type permettant une pulvérisation sans pression du liquide et par exemple du type dit à coupelle, c'est-à-dire comprenant une coupelle dans laquelle est amené le produit en surface duquel est projeté de l'air quant à lui sous pression. This nozzle is of any type allowing spraying without pressure of the liquid and for example of the so-called cup type, that is to say comprising a cup into which the product is brought to the surface of which air is projected. under pressure.

Cet air sous pression est amené à la buse 10 par une tubulure 11 suivant celle d'arrivée du liquide. This pressurized air is brought to the nozzle 10 by a pipe 11 along that of the liquid inlet.

Cette tubulure 11 d'arrivée d'air sous pression est à son autre extrémité raccordée à un conduit 12 de sortie d'un gonfleur 13 après interposition d'un filtre 14. This tubing 11 for the arrival of pressurized air is at its other end connected to a duct 12 for the outlet of an inflator 13 after interposition of a filter 14.

C'est grâce à la pompe 7 et à la buse 10 dont leurs caractéristiques essentielles qui ont déjà été spécifiées, est pour la pompe de ne pas mettre le liquide sous pression mais de simplement assister son ascension, et pour la buse de ne pas exiger cette pression du liquide, la pulvérisation peut s'opérer sans gouttelettes. It is thanks to the pump 7 and to the nozzle 10 whose essential characteristics which have already been specified, is for the pump not to put the liquid under pressure but to simply assist its ascent, and for the nozzle not to require this pressure of the liquid, the spraying can take place without droplets.

Grâce au moyen d'arrêt de la pompe 7 dès que le conduit 5 n'est plus plongé dans le liquide, on ne risque pas de propulser de l'air par cette voie ce qui pourrait être néfaste en ce sens que ce circuit ne comprend pas de filtre. Thanks to the stop means of the pump 7 as soon as the duct 5 is no longer immersed in the liquid, there is no risk of propelling air by this route which could be harmful in the sense that this circuit does not include no filter.

Grâce au gonfleur 13, on obtient une pression d'air très suffisante pour nébuliser le produit et il est donc inutile d'employer à cette fin un réel compresseur qui augmenterait très sensiblement le prix de revient. Thanks to the inflator 13, an air pressure which is very sufficient to nebulize the product is obtained and it is therefore unnecessary to use for this purpose a real compressor which would very significantly increase the cost price.

Bien que la pompe 7 pourrait élever du liquide en suffisance pour alimenter plusieurs buses, de préférence, l'appareil
comprend une pompe 7 par buse 10 de pulvérisation.
Although the pump 7 could raise sufficient liquid to supply several nozzles, preferably the device
includes a pump 7 per spray nozzle 10.

De même, bien que le gonfleur pourrait fournir l'air nécessaire à plusieurs buses, de préférence, chaque buse 10 sera raccordée à son propre gonfleur 13. Likewise, although the inflator could supply the air necessary for several nozzles, preferably each nozzle 10 will be connected to its own inflator 13.

Evidemment l'appareil peut aussi distribuer par les mêmes conduits ou des conduits distincts, des produits prélevés dans plusieurs récipients. Obviously the device can also distribute, through the same or separate conduits, products taken from several containers.

Il peut de plus comprendre un tableau 15 de commande programmable notamment quant à la durée et å la fréquence des pulvérisations.  It may further comprise a programmable control panel 15 notably as regards the duration and the frequency of the sprays.

Claims (4)

REVENDICATIONS 1. Pulvérisateur-nébuliseur comprenant au moins un récipient (3) contenant du liquide (4) dans lequel plonge une extrémité d'au moins un tube, en au moins un tronçon (5, 8, 9) dont l'autre extrémité est raccordée à une buse (10) à laquelle est par ailleurs raccordée une extrémité d'une tubulure (11) d'amenée d'air sous pression, CARACTERISE en ce que le tube (5, 8, 9) raccordant le récipient (3) à la buse (10) à une grande longueur de même qu'en ce qu' afin d'assister la montée du liquide (4) jusqu'à la buse (10), il passe par une pompe rotative à corps déformable (7) et enfin en ce que la buse (10) est de tout type apte à pulvériser le liquide sans que celui-ci soit sous pression. 1. Sprayer-nebulizer comprising at least one container (3) containing liquid (4) into which one end of at least one tube is immersed, in at least one section (5, 8, 9) of which the other end is connected to a nozzle (10) to which is also connected one end of a tube (11) for supplying pressurized air, CHARACTERIZED in that the tube (5, 8, 9) connecting the container (3) to the nozzle (10) at a great length as well as in that in order to assist the rise of the liquid (4) up to the nozzle (10), it passes through a rotary pump with deformable body (7) and finally in that the nozzle (10) is of any type capable of spraying the liquid without it being under pressure. 2. Pulvérisateur-nébuliseur selon la revendication 1 caractérisé en ce que la buse (10) est du type dit à coupelle. 2. Sprayer-nebulizer according to claim 1 characterized in that the nozzle (10) is of the type called cup. 3. Pulvérisateur-nébuliseur selon la revendication 1 ou 2 caractérisé en ce que la tubulure d'amenée d'air passe par un filtre (14) avant d'être raccordée à un gonfleur (13). 3. Sprayer-nebulizer according to claim 1 or 2 characterized in that the air supply pipe passes through a filter (14) before being connected to an inflator (13). 4. Pulvérisateur-nébuliseur selon l'une quelconque des revendications 1 à 3 caractérisé en ce que l'extrémité du tube (5) plongeant dans le récipient (3) porte un moyen (6) d'interruption de l'action de la pompe (7) voire même du gonfleur (13) dès que cette extrémité ne plonge plus dans du liquide (4).  4. Sprayer-nebulizer according to any one of claims 1 to 3 characterized in that the end of the tube (5) dipping into the container (3) carries a means (6) for interrupting the action of the pump (7) or even the inflator (13) as soon as this end no longer plunges into liquid (4).
FR8107842A 1981-04-10 1981-04-10 SPRAYER-NEBULIZER Expired FR2503585B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8107842A FR2503585B1 (en) 1981-04-10 1981-04-10 SPRAYER-NEBULIZER

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Application Number Priority Date Filing Date Title
FR8107842A FR2503585B1 (en) 1981-04-10 1981-04-10 SPRAYER-NEBULIZER

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FR2503585A1 true FR2503585A1 (en) 1982-10-15
FR2503585B1 FR2503585B1 (en) 1985-06-07

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FR8107842A Expired FR2503585B1 (en) 1981-04-10 1981-04-10 SPRAYER-NEBULIZER

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984003644A1 (en) * 1983-03-21 1984-09-27 Godtfred Vestergaard A plant for de-icing surfaces

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR666234A (en) * 1927-12-22 1929-09-28 Color sprayer device
FR2196593A5 (en) * 1972-08-14 1974-03-15 Lilja Duane
US3912168A (en) * 1975-01-30 1975-10-14 Teledyne Ind Inc Teledyne Aqua Irrigation lavage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR666234A (en) * 1927-12-22 1929-09-28 Color sprayer device
FR2196593A5 (en) * 1972-08-14 1974-03-15 Lilja Duane
US3912168A (en) * 1975-01-30 1975-10-14 Teledyne Ind Inc Teledyne Aqua Irrigation lavage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984003644A1 (en) * 1983-03-21 1984-09-27 Godtfred Vestergaard A plant for de-icing surfaces

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Publication number Publication date
FR2503585B1 (en) 1985-06-07

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