FR2866253A1 - Surfaces e.g. walls, cleaning device, has nozzle that is oriented towards surface such that liquid is projected according to angular incidence with respect to surface, and liquid is forced to rise on surface instead of rebounding surface - Google Patents
Surfaces e.g. walls, cleaning device, has nozzle that is oriented towards surface such that liquid is projected according to angular incidence with respect to surface, and liquid is forced to rise on surface instead of rebounding surface Download PDFInfo
- Publication number
- FR2866253A1 FR2866253A1 FR0401509A FR0401509A FR2866253A1 FR 2866253 A1 FR2866253 A1 FR 2866253A1 FR 0401509 A FR0401509 A FR 0401509A FR 0401509 A FR0401509 A FR 0401509A FR 2866253 A1 FR2866253 A1 FR 2866253A1
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- FR
- France
- Prior art keywords
- liquid
- suction
- cleaned
- cleaning
- nozzle
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0217—Use of a detergent in high pressure cleaners; arrangements for supplying the same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0229—Suction chambers for aspirating the sprayed liquid
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
La présente invention se rapporte à un dispositif pour nettoyer desThe present invention relates to a device for cleaning
surfaces au moyen d'un liquide sous pression, par exemple de l'eau. surfaces by means of a liquid under pressure, for example water.
On connaît déjà des appareils de nettoyage projetant un liquide sous pression, généralement de l'eau, sur la surface à nettoyer et qui comportent des moyens d'évacuation de ce liquide par aspiration. Ceci permet d'éviter que de grandes quantités d'eau soient répandues aux alentours et rend possible l'utilisation de ces appareils à l'intérieur de bâtiments. Already known cleaning devices projecting a liquid under pressure, usually water, on the surface to be cleaned and which comprise means for evacuation of the liquid by suction. This prevents large amounts of water from being spread around and makes it possible to use these devices inside buildings.
Un tel type de dispositif est connu par le document DE8608145U. Ce document décrit une tête de nettoyage destinée à être utilisée sur des murs verticaux. Cette tête de nettoyage est munie d'une jupe d'étanchéité venant au contact de la surface à nettoyer et comporte, d'une part, une buse de projection, située en partie haute, orientée de manière à ce que le jet de liquide ait une incidence oblique par rapport à la surface à nettoyer, et d'autre part, une trémie d'aspiration située en partie basse et évacuant les eaux usées. Such a type of device is known from DE8608145U. This document describes a cleaning head for use on vertical walls. This cleaning head is provided with a sealing skirt which comes into contact with the surface to be cleaned and comprises, on the one hand, a projection nozzle, located in the upper part, oriented so that the jet of liquid has an oblique incidence relative to the surface to be cleaned, and secondly, a suction hopper located at the bottom and discharging the wastewater.
Dans un tel appareil, l'eau sous pression projetée par la buse casse et arrache les salissures, puis chute à la base de l'appareil d'où elle est évacuée par la trémie d'aspiration. C'est l'énergie cinétique de l'eau sous pression qui permet d'arracher les salissures, et l'efficacité de l'appareil est donc directement liée à la pression de l'eau. Par conséquent, plus les salissures seront incrustées dans la pierre, plus il sera nécessaire d'utiliser une pression d'eau élevée. Cette action de cassage est également connue sous le terme de brossage . In such an apparatus, the pressurized water projected by the nozzle breaks and pulls the dirt, then falls to the base of the apparatus from which it is discharged through the suction hopper. It is the kinetic energy of the pressurized water which makes it possible to remove the soils, and the efficiency of the apparatus is thus directly related to the pressure of the water. Therefore, the more dirt is embedded in the stone, the greater the need for high water pressure. This breaking action is also known as brushing.
Cependant, il n'est pas toujours souhaitable d'utiliser une pression d'eau trop élevée car cela risque d'abîmer la pierre lors du décollement des salissures. Le but étant de pouvoir enlever le maximum de salissures sans dégrader la pierre, il est important d'éviter ce phénomène au maximum. Cet aspect revêt une importance toute particulière lors du nettoyage de façades d'immeubles anciens ou historiques ou comportant des matériaux fragiles et poreux. However, it is not always desirable to use a water pressure too high because it may damage the stone during the removal of dirt. The goal being to be able to remove the maximum of dirt without degrading the stone, it is important to avoid this phenomenon to the maximum. This aspect is particularly important when cleaning facades of old or historic buildings or with fragile and porous materials.
La présente invention a pour but de remédier aux inconvénients précédemment évoqués, et consiste pour cela en un dispositif pour nettoyer des surfaces sensiblement planes au moyen d'un liquide sous faible pression, ce dispositif comportant au moins une tête de nettoyage, dont une extrémité ouverte est délimitée par un bord destiné à prendre appui contre la surface à nettoyer, comprenant, d'une part, des moyens de projection d'un liquide sous pression sur la surface à nettoyer, et d'autre part, des moyens d'aspiration aptes à évacuer le liquide projeté et les salissures décollées, caractérisé en ce que les moyens d'aspiration comprennent un conduit d'aspiration débouchant à proximité de la surface de contact de la tête de nettoyage. The object of the present invention is to overcome the drawbacks mentioned above, and for this purpose consists of a device for cleaning substantially flat surfaces by means of a liquid under low pressure, this device comprising at least one cleaning head, of which an open end is delimited by an edge intended to bear against the surface to be cleaned, comprising, on the one hand, means for projecting a liquid under pressure on the surface to be cleaned, and on the other hand, suitable suction means to evacuate the liquid spray and loose dirt, characterized in that the suction means comprises a suction duct opening near the contact surface of the cleaning head.
De cette manière, l'aspiration du liquide s'effectue au niveau de la surface à nettoyer, ce qui oblige le liquide, après projection, à se diriger vers l'entrée du conduit d'aspiration le long de la surface à nettoyer au lieu de rebondir contre celle-ci et d'être immédiatement évacué. Ainsi, le liquide est maintenu en contact avec la surface à nettoyer et complète l'action de brossage des salissures par un décollement le long de la surface. La combinaison de ces deux modes d'action du liquide permet d'obtenir un nettoyage plus efficace qu'une simple projection directe. Il est, par conséquent, possible de travailler à des pressions moins élevées et ainsi de diminuer grandement le risque de piquage de la pierre. La pression du liquide est, de préférence, comprise entre 0 et 100 bars. In this way, the suction of the liquid takes place at the level of the surface to be cleaned, which forces the liquid, after projection, to go towards the inlet of the suction duct along the surface to be cleaned instead to bounce against it and be immediately evacuated. Thus, the liquid is kept in contact with the surface to be cleaned and completes the brushing action of stains by detachment along the surface. The combination of these two modes of action of the liquid provides a cleaner cleaning than a direct projection. It is therefore possible to work at lower pressures and thus greatly reduce the risk of stitching of the stone. The pressure of the liquid is preferably between 0 and 100 bar.
Préférentiellement, la tête de nettoyage comporte une jupe d'étanchéité destinée à venir au contact de la surface à nettoyer. De cette manière les fuites de liquide hors de la tête de nettoyage sont grandement minimisées. Preferably, the cleaning head comprises a sealing skirt intended to come into contact with the surface to be cleaned. In this way the liquid leaks out of the cleaning head are greatly minimized.
Préférentiellement encore, les moyens d'aspiration sont aptes à créer une dépression suffisante pour maintenir la tête de nettoyage au contact de la surface à nettoyer. Preferably, the suction means are capable of creating a sufficient depression to maintain the cleaning head in contact with the surface to be cleaned.
Avantageusement, la tête de nettoyage comporte des moyens d'injection d'additifs de nettoyage qui sont distincts des moyens de projection du liquide. Ces additifs peuvent être des détergents, des modificateurs de pH, ou d'autres produits couramment utilisés pour le nettoyage des murs et façades, se présentant éventuellement sous forme de gel liquide pour faciliter leur manipulation. Advantageously, the cleaning head comprises means for injecting cleaning additives which are distinct from the liquid projection means. These additives may be detergents, pH modifiers, or other products commonly used for cleaning walls and facades, possibly in the form of a liquid gel to facilitate their handling.
De manière préférentielle, les moyens d'aspiration sont situés au dessus des moyens de projection lorsque le dispositif est utilisé pour le nettoyage d'une surface verticale. Ainsi, l'aspiration s'oppose à la gravité, ce qui permet d'améliorer l'efficacité du décollement grâce un temps de contact accru. Preferably, the suction means are located above the projection means when the device is used for cleaning a vertical surface. Thus, the suction is opposed to gravity, which improves the effectiveness of the detachment through increased contact time.
Avantageusement encore, les moyens de projection sont orientés de manière à ce que le liquide ait une incidence oblique vis-à-vis de la surface à nettoyer et en direction des moyens d'aspiration. Une projection oblique permet de diminuer l'effet de piquage par rapport à une projection perpendiculairement à la surface. Advantageously, the projection means are oriented so that the liquid has an oblique incidence vis-à-vis the surface to be cleaned and towards the suction means. An oblique projection makes it possible to reduce the stitching effect with respect to a projection perpendicular to the surface.
De manière avantageuse, le liquide aspiré est recyclé vers les moyens de projection. Ceci permet, d'une part, de diminuer la consommation de liquide, et d'autre part, de concevoir un dispositif autonome. Advantageously, the aspirated liquid is recycled to the projection means. This allows, on the one hand, to reduce the consumption of liquid, and on the other hand, to design an autonomous device.
De manière préférentielle, les moyens de projection comprennent des moyens permettant de régler la pression du liquide. Ceci permet d'adapter facilement la pression du liquide au matériau de la surface à décaper. Préférentiellement, les moyens d'aspiration comprennent des moyens permettant de régler la puissance de l'aspiration. La possibilité de régler la pression du liquide et la puissance de l'aspiration permet ainsi, non seulement d'optimiser les conditions de nettoyage selon le matériau, mais également de réaliser un appareil pouvant être utilisé, selon les cas, avec ou sans aspiration. Preferably, the projection means comprise means for adjusting the pressure of the liquid. This makes it easy to adapt the pressure of the liquid to the material of the surface to be stripped. Preferably, the suction means comprise means for adjusting the power of the suction. The possibility of adjusting the liquid pressure and the power of the suction thus makes it possible, not only to optimize the cleaning conditions according to the material, but also to produce an apparatus that can be used, as the case may be, with or without suction.
L'invention sera mieux comprise à l'aide de la description détaillée qui est exposée ci-dessous en regard de l'unique dessin annexé montrant une vue schématique en 20 coupe d'un dispositif selon l'invention. The invention will be better understood from the detailed description which is set forth below with reference to the single appended drawing showing a schematic sectional view of a device according to the invention.
Un dispositif selon l'invention comporte une tête de nettoyage 1 comprenant un corps 2 creux dans lequel sont logés des moyens de projection et des moyens d'aspiration. De plus, ce corps 2 présente une extrémité ouverte délimitée par un bord 3 destiné à être appliquée sur un mur vertical (non représenté) et sur lequel est rattachée une jupe d'étanchéité 4 en caoutchouc. A device according to the invention comprises a cleaning head 1 comprising a hollow body 2 in which are housed projection means and suction means. In addition, this body 2 has an open end delimited by an edge 3 intended to be applied to a vertical wall (not shown) and on which is attached a rubber sealing skirt 4.
Les moyens de projection comprennent un premier tuyau 5 terminé par une buse 6 et comportant une vanne 7 permettant à l'utilisateur d'ouvrir ou de couper l'alimentation en liquide. La buse 6 est orientée vers la surface de contact de manière à ce que le liquide soit projeté selon une incidence oblique vis-à-vis du mur. La pression du liquide projeté est réglable entre 0 et 100 bars. The projection means comprise a first pipe 5 terminated by a nozzle 6 and having a valve 7 allowing the user to open or cut the liquid supply. The nozzle 6 is oriented towards the contact surface so that the liquid is projected at an oblique angle to the wall. The projected liquid pressure is adjustable between 0 and 100 bar.
Au dessus de la buse 6, la tête de nettoyage 1 est connectée à un second tuyau 8, destiné à l'aspiration du liquide, débouchant à proximité de la surface de contact. Ce tuyau 8 est conformé de manière à ce qu'il présente, à l'intérieur du corps 2, une section décroissante en direction de la surface de contact. Above the nozzle 6, the cleaning head 1 is connected to a second pipe 8, intended for the suction of the liquid, opening near the contact surface. This pipe 8 is shaped so that it has, inside the body 2, a decreasing section in the direction of the contact surface.
De plus, la tête de nettoyage 1 abrite, en dessous de la buse 6, un gicleur 9 alimenté par un troisième tuyau 10 muni d'une vanne 11. Le gicleur 9 est positionné de manière à ce que le produit injecté se trouve mélangé au liquide projeté par la buse 6 avant que celui-ci heurte le mur. In addition, the cleaning head 1 houses, below the nozzle 6, a nozzle 9 fed by a third pipe 10 provided with a valve 11. The nozzle 9 is positioned so that the injected product is mixed with the liquid sprayed by the nozzle 6 before it hits the wall.
Un utilisateur souhaitant procéder au nettoyage d'un mur procédera de la façon 10 suivante. A user wishing to clean a wall will proceed as follows.
Tout d'abord, la jupe d'étanchéité 4 est placée contre le mur et l'aspiration crée une légère dépression qui maintient la tête de nettoyage au contact du mur. Le liquide sous pression est transporté à l'intérieur du tuyau 5 jusqu'à la buse 6 et est projeté contre le mur afin de casser les salissures. Un additif, de préférence sous forme de gel, est injecté dans le jet de liquide par le gicleur 9. Bien évidemment, ce système d'injection distinct des moyens de projection n'est pas obligatoire, et il est tout à fait possible d'alimenter directement la buse 6 avec le mélange liquide souhaité. First, the sealing skirt 4 is placed against the wall and the suction creates a slight depression which keeps the cleaning head in contact with the wall. The pressurized liquid is transported inside the pipe 5 to the nozzle 6 and is thrown against the wall in order to break up the dirt. An additive, preferably in the form of a gel, is injected into the jet of liquid through the nozzle 9. Of course, this injection system separate from the projection means is not mandatory, and it is quite possible to feed the nozzle 6 directly with the desired liquid mixture.
Après avoir frappé le mur, le liquide est ensuite évacué de la tête de nettoyage 1 par le tuyau 8 d'aspiration. Le conduit d'aspiration débouchant à proximité de la surface du mur, la force d'aspiration s'exerce au niveau de la surface à nettoyer, parallèlement à celle-ci. De par ce fait, le liquide projeté est forcé à rester en contact avec le mur et à remonter en totalité sur toute la surface de nettoyage au lieu de rebondir sur cette surface. Ce faisant, le liquide passe sous les salissures et les décolle. Avantageusement le liquide aspiré peut ensuite être recyclé vers les moyens de projection 5 à 7 après filtration pour éliminer les salissures emportées avec lui. After striking the wall, the liquid is then discharged from the cleaning head 1 by the suction pipe 8. The suction duct opening near the surface of the wall, the suction force is exerted at the level of the surface to be cleaned, parallel to it. As a result, the liquid spray is forced to remain in contact with the wall and to rise entirely over the entire cleaning surface instead of bouncing on that surface. In doing so, the liquid passes under the dirt and takes off. Advantageously, the sucked liquid can then be recycled to the spray means 5 to 7 after filtration to remove dirt carried with it.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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FR0401509A FR2866253B1 (en) | 2004-02-16 | 2004-02-16 | DEVICE FOR CLEANING SURFACES WITH PRESSURIZED LIQUID |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0401509A FR2866253B1 (en) | 2004-02-16 | 2004-02-16 | DEVICE FOR CLEANING SURFACES WITH PRESSURIZED LIQUID |
Publications (2)
Publication Number | Publication Date |
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FR2866253A1 true FR2866253A1 (en) | 2005-08-19 |
FR2866253B1 FR2866253B1 (en) | 2006-12-01 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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FR0401509A Expired - Fee Related FR2866253B1 (en) | 2004-02-16 | 2004-02-16 | DEVICE FOR CLEANING SURFACES WITH PRESSURIZED LIQUID |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014009672A1 (en) * | 2012-07-12 | 2014-01-16 | Ecodrop | Appliance for cleaning flat walls |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2640924A1 (en) * | 1976-09-08 | 1978-03-09 | Peter Pfeifer | Working head for cleaning glass surfaces - is attachment for spray extraction appts. and has additional suction chamber to pick up liquid |
DE8608145U1 (en) * | 1986-03-25 | 1987-11-19 | Rosta, Paul, 8261 Unterneukirchen | Cleaning device for partial or main cleaning of ceilings and walls inside and outside buildings |
US4788739A (en) * | 1987-06-08 | 1988-12-06 | Chesebrough-Pond's Inc. | Washing apparatus for bung of a drum |
US5503594A (en) * | 1995-01-25 | 1996-04-02 | Kentmaster Mfg. Co., Inc. | Carccass cleaning system |
US20020184729A1 (en) * | 2001-05-30 | 2002-12-12 | Michael Farina | High pressure printing press cleaner |
WO2003057378A1 (en) * | 2002-01-09 | 2003-07-17 | Food Pro Sytems Limited | Food processing surface cleaning system and method |
-
2004
- 2004-02-16 FR FR0401509A patent/FR2866253B1/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2640924A1 (en) * | 1976-09-08 | 1978-03-09 | Peter Pfeifer | Working head for cleaning glass surfaces - is attachment for spray extraction appts. and has additional suction chamber to pick up liquid |
DE8608145U1 (en) * | 1986-03-25 | 1987-11-19 | Rosta, Paul, 8261 Unterneukirchen | Cleaning device for partial or main cleaning of ceilings and walls inside and outside buildings |
US4788739A (en) * | 1987-06-08 | 1988-12-06 | Chesebrough-Pond's Inc. | Washing apparatus for bung of a drum |
US5503594A (en) * | 1995-01-25 | 1996-04-02 | Kentmaster Mfg. Co., Inc. | Carccass cleaning system |
US20020184729A1 (en) * | 2001-05-30 | 2002-12-12 | Michael Farina | High pressure printing press cleaner |
WO2003057378A1 (en) * | 2002-01-09 | 2003-07-17 | Food Pro Sytems Limited | Food processing surface cleaning system and method |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014009672A1 (en) * | 2012-07-12 | 2014-01-16 | Ecodrop | Appliance for cleaning flat walls |
FR2993189A1 (en) * | 2012-07-12 | 2014-01-17 | Ecodrop | APPARATUS FOR CLEANING PLANAR WALLS |
Also Published As
Publication number | Publication date |
---|---|
FR2866253B1 (en) | 2006-12-01 |
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Effective date: 20101029 |