EP0617174A1 - Device for projecting a pressurized fluid and surface cleaning machine, especially of roads - Google Patents

Device for projecting a pressurized fluid and surface cleaning machine, especially of roads Download PDF

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Publication number
EP0617174A1
EP0617174A1 EP94400532A EP94400532A EP0617174A1 EP 0617174 A1 EP0617174 A1 EP 0617174A1 EP 94400532 A EP94400532 A EP 94400532A EP 94400532 A EP94400532 A EP 94400532A EP 0617174 A1 EP0617174 A1 EP 0617174A1
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EP
European Patent Office
Prior art keywords
nozzle
spraying
vertical axis
fluid
pressurized fluid
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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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Application number
EP94400532A
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German (de)
French (fr)
Inventor
Joseph Huwer
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J HUWER ASSAINISSEMENT Ets
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J HUWER ASSAINISSEMENT Ets
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Publication date
Application filed by J HUWER ASSAINISSEMENT Ets filed Critical J HUWER ASSAINISSEMENT Ets
Publication of EP0617174A1 publication Critical patent/EP0617174A1/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
    • E01H1/101—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers
    • E01H1/103—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers in which the soiled loosening or washing liquid is removed, e.g. by suction

Definitions

  • the present invention relates to a device for spraying a pressurized fluid and to a surface cleaning machine, in particular for pavements.
  • draining mixes result from the fact that they are made of a porous material.
  • a high pressure water jet is sent to the upper surface of the draining asphalt covering the roadway, which causes the evacuation of fine particles housed in its porosities, particles which are immediately vacuumed after the passage of the high pressure water jet, that is to say before having had time to settle again in the porosity of the mix.
  • Pavement cleaning machines comprise, on the one hand, a device for spraying water at high pressure, and on the other hand, a suction system.
  • the water spraying device mainly comprises a high-pressure water inlet pipe, which is connected, by means of a rotary connector, to a turnstile pivoting around a vertical axis having nozzles directed towards the roadway at its periphery.
  • the turnstile When injecting water at high pressure, the turnstile is rotated by an appropriate means.
  • the rotation of the injection nozzles, combined with the movement of the truck or trolley, ensures the sweeping of the road surface.
  • Water escaping from the sealing parts of the swivel joint can, for example, spread into the bearings of the turnstile and cause loss of efficiency.
  • cleaning surfaces using a pressurized fluid requires the use of a device for projecting the fluid, the maintenance of which is made difficult by the presence of a rotating connector which is highly stressed. by pressure, temperature, or the nature of the fluid.
  • the present invention aims to provide a new device for spraying a pressurized fluid, suitable in particular for surface cleaning machines, comprising nozzles for spraying fluid driven in rotation about a vertical axis, which does not have the drawbacks known devices.
  • the present invention relates to a device for spraying a pressurized fluid
  • a device for spraying a pressurized fluid comprising, on the one hand, a fixed connection opening out to the outside of the device, capable of receiving the end of a pipe for supplying the fluid under pressure, and on the other hand, a member rotating about a vertical axis, provided with at least one fluid projection nozzle, characterized in that said nozzle is mounted freely pivoting about a substantially vertical axis on said rotating member and a flexible pipe directly connects the fixed fitting to the nozzle.
  • the pressurized fluid enters the device through the fixed connector and is conveyed to the projection nozzle by the flexible pipe.
  • the device according to the invention does not present a risk of leakage insofar as it does not comprise any rotary connection.
  • the flexible pipe connects the fixed connector to a turnstile provided with a plurality of nozzles at its periphery and mounted freely pivoting about a substantially vertical axis on the rotating member.
  • the present invention also relates to a machine for cleaning surfaces, in particular roadways, characterized in that it comprises a device as described above.
  • the machine according to the invention can be mounted on the back of a truck or on a manually movable cart.
  • FIG 1 there is shown a truck generally designated by 1, which is provided internally with a water tank, a high pressure pump, and a suction system (not shown).
  • At the rear of the truck 1 is mounted a machine 2 for cleaning pavements.
  • the machine 2 is mounted on the truck 1 using jacks 3 which make it possible to raise it during the movements of the truck and to lower it to the level of the roadway for cleaning the draining asphalt covering the latter.
  • Casters 4 placed on either side of the machine 2 allow, once the machine 2 is lowered, to keep the latter flush with the road, while moving the truck 1 to clean the asphalt draining on a strip substantially corresponding to the length of the truck 1.
  • the machine 2 is hydraulically connected to the truck 1 by a suction pipe 5 and by a high pressure water supply pipe 6.
  • the machine 2 notably comprises a device for spraying water at high pressure according to the invention, which is shown in section in FIG. 2.
  • the high pressure water supply line 6 ends at the upper part of the casing 7 in order to be fixed to a fixed connector 8 secured, for example by screwing, to the upper wall 7 a .
  • a flexible pipe 9 is mounted which is able to withstand the high pressure of the water conveyed by the pipe 6.
  • the lower end of the pipe 9 is connected to a turnstile 10 which is provided with water spray nozzles 11 at its lower part.
  • the turnstile 10 is mounted on a member 12, freely rotating about a vertical axis 13 integral with the lower wall 7b of the casing 7.
  • Ball bearings 14 ensure the free rotation of the member 12 relative to the axis 13.
  • the rotating member 12 is in the form of a disc which has a peripheral groove 15 capable of receiving a drive belt connected to a motor not shown.
  • the turnstile 10 is also mounted idly on the disc 12 by means of ball bearings 16.
  • the lower wall 7b has openings 17 in line with the passage of the water spray nozzles 11.
  • openings 17 allow the passage of water under high pressure which strikes the upper surface of the draining asphalt covering the floor.
  • the axis 13 supporting the disc 12 is held above the ground by the branches 18 cut in the lower wall 7b .
  • the turnstile 10 describes a circle around the axis 13.
  • the flexible pipe 9 is not subjected to any torsional force, because the turnstile 10 is mounted idly on the disc 12, which allows it to keep a constant orientation.
  • the second embodiment of the device of the invention which is shown in FIG. 4, does not include branches 18 to support the axis 13.
  • the lower wall 7 ' b is provided with an orifice, the dimensions of which correspond substantially to those of the disc 12' which comprises a peripheral shoulder 19 in which the groove 15 is produced.
  • Ball bearings 14 ' ensure the free rotation of the disc 12' relative to the wall 7 ' b , around the immaterial axis 13'.
  • This device therefore makes it possible to spray water at very high pressure through rotary nozzles, without having to use any rotary coupling.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Nozzles (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)

Abstract

The invention relates to a device for spraying a pressurised fluid, comprising, on the one hand, a fixed connector which emerges outside the device and is capable of receiving the end of a pipe for supplying the pressurised fluid and, on the other hand, an element which rotates about a vertical axis and is fitted with at least one nozzle for spraying the fluid. The said nozzle (10, 11) is mounted so as to pivot freely about a substantially vertical axis on the said rotating element (12'), and a hose (flexible conduit) (9) directly connects the fixed connector (8) to the nozzle (10, 11). The invention also relates to a machine for cleaning surfaces, especially roadways. <IMAGE>

Description

La présente invention est relative à un dispositif de projection d'un fluide sous pression et à une machine de nettoyage de surface, notamment de chaussées.The present invention relates to a device for spraying a pressurized fluid and to a surface cleaning machine, in particular for pavements.

On sait que les chaussées des voies de circulation routières sont recouvertes d'enrobés drainants qui présentent le double avantage d'éviter la formation de flaques d'eau qui sont dangereuses pour les véhicules, et de diminuer les bruits de roulement des pneumatiques sur la chaussée.It is known that the roads of the road lanes are covered with draining mixes which have the double advantage of avoiding the formation of puddles which are dangerous for vehicles, and of reducing the rolling noises of tires on the road .

Ces propriétés des enrobés drainants résultent du fait qu'ils sont réalisés en un matériau poreux.These properties of draining mixes result from the fact that they are made of a porous material.

A la longue, les porosités des enrobés drainants ont tendance à se colmater en se remplissant de particules très fines résultant de l'usure des pneumatiques ou provenant de poussières environnantes.In the long run, the porosities of the draining mixes tend to become clogged, filling up with very fine particles resulting from the wear of the tires or from surrounding dust.

En se colmatant, les enrobés drainants perdent leurs qualités spécifiques et se comportent comme des enrobés classiques vis-à-vis des eaux de pluie et du bruit. Il est donc nécessaire de les nettoyer périodiquement.By clogging, the draining mixes lose their specific qualities and behave like conventional mixes with respect to rainwater and noise. It is therefore necessary to clean them periodically.

A cet effet, selon un procédé connu, on envoie un jet d'eau à haute pression sur la surface supérieure de l'enrobé drainant recouvrant la chaussée, ce qui provoque l'évacuation des fines particules logées dans ses porosités, particules qui sont immédiatement aspirées après le passage du jet d'eau à haute pression, c'est-à-dire avant d'avoir eu le temps de se déposer à nouveau dans les porosités de l'enrobé.To this end, according to a known method, a high pressure water jet is sent to the upper surface of the draining asphalt covering the roadway, which causes the evacuation of fine particles housed in its porosities, particles which are immediately vacuumed after the passage of the high pressure water jet, that is to say before having had time to settle again in the porosity of the mix.

Les machines de nettoyage de chaussées comportent, d'une part, un dispositif de projection d'eau à haute pression, et d'autre part, un système d'aspiration.Pavement cleaning machines comprise, on the one hand, a device for spraying water at high pressure, and on the other hand, a suction system.

Ces machines sont montées, soit sur des camions, soit sur des chariots que l'on déplace sur la chaussée pour en effectuer le nettoyage.These machines are mounted either on trucks or on carts that are moved on the roadway to perform cleaning.

Dans les machines connues, le dispositif de projection d'eau comporte principalement une conduite d'arrivée d'eau à haute pression, qui est reliée, au moyen d'un raccord tournant, à un tourniquet pivotant autour d'un axe vertical comportant à sa périphérie des buses dirigées vers la chaussée.In known machines, the water spraying device mainly comprises a high-pressure water inlet pipe, which is connected, by means of a rotary connector, to a turnstile pivoting around a vertical axis having nozzles directed towards the roadway at its periphery.

Lors de l'injection de l'eau à haute pression, le tourniquet est mis en rotation par un moyen approprié. La rotation des buses d'injection, combinée au déplacement du camion ou du chariot, assure le balayage de la surface de la chaussée.When injecting water at high pressure, the turnstile is rotated by an appropriate means. The rotation of the injection nozzles, combined with the movement of the truck or trolley, ensures the sweeping of the road surface.

Ces dispositifs présentent l'inconvénient important que le raccord tournant, dont ils sont munis, se révèle généralement peu fiable en raison de la haute pression de l'eau qui peut en outre être chargée de produits corrosifs.These devices have the significant drawback that the rotary coupling, with which they are provided, generally proves to be unreliable due to the high pressure of the water which can also be charged with corrosive products.

En effet, on constate que les parties d'étanchéité du raccord tournant présentent des fuites importantes après seulement quelques heures d'utilisation de la machine.In fact, it can be seen that the sealing parts of the rotary coupling have significant leaks after only a few hours of use of the machine.

L'eau qui s'échappe des parties d'étanchéité du raccord tournant peut par exemple se répandre dans les roulements du tourniquet et engendrer des pertes de rendement.Water escaping from the sealing parts of the swivel joint can, for example, spread into the bearings of the turnstile and cause loss of efficiency.

D'une manière générale, le nettoyage de surfaces à l'aide d'un fluide sous pression requiert l'utilisation d'un dispositif de projection du fluide dont la maintenance est rendue difficile par la présence d'un raccord tournant qui est fortement sollicité par la pression, la température, ou la nature du fluide.In general, cleaning surfaces using a pressurized fluid requires the use of a device for projecting the fluid, the maintenance of which is made difficult by the presence of a rotating connector which is highly stressed. by pressure, temperature, or the nature of the fluid.

La présente invention vise à fournir un nouveau dispositif de projection d'un fluide sous pression, adapté notamment aux machines de nettoyage de surfaces, comportant des buses de projection de fluide entraînées en rotation autour d'un axe vertical, qui ne présente pas les inconvénients des dispositifs connus.The present invention aims to provide a new device for spraying a pressurized fluid, suitable in particular for surface cleaning machines, comprising nozzles for spraying fluid driven in rotation about a vertical axis, which does not have the drawbacks known devices.

La présente invention a pour objet un dispositif de projection d'un fluide sous pression comportant, d'une part, un raccord fixe débouchant à l'extérieur du dispositif, apte à recevoir l'extrémité d'une conduite d'amenée du fluide sous pression, et d'autre part, un organe tournant autour d'un axe vertical, muni d'au moins une buse de projection du fluide, caractérisé par le fait que ladite buse est montée librement pivotante autour d'un axe sensiblement vertical sur ledit organe tournant et qu'une conduite flexible relie directement le raccord fixe à la buse.The present invention relates to a device for spraying a pressurized fluid comprising, on the one hand, a fixed connection opening out to the outside of the device, capable of receiving the end of a pipe for supplying the fluid under pressure, and on the other hand, a member rotating about a vertical axis, provided with at least one fluid projection nozzle, characterized in that said nozzle is mounted freely pivoting about a substantially vertical axis on said rotating member and a flexible pipe directly connects the fixed fitting to the nozzle.

Ainsi, le fluide sous pression pénètre dans le dispositif par le raccord fixe et est acheminé jusqu'à la buse de projection par la conduite flexible.Thus, the pressurized fluid enters the device through the fixed connector and is conveyed to the projection nozzle by the flexible pipe.

On comprend que le dispositif selon l'invention ne présente pas de risque de fuite dans la mesure où il ne comporte aucun raccord tournant.It is understood that the device according to the invention does not present a risk of leakage insofar as it does not comprise any rotary connection.

Le pivotement libre de la buse sur l'organe tournant évite toute contrainte de torsion sur la conduite flexible qui est ainsi mieux préservée.The free pivoting of the nozzle on the rotating member avoids any torsional stress on the flexible pipe which is thus better preserved.

Dans un mode de réalisation préféré de l'invention, la conduite flexible relie le raccord fixe à un tourniquet muni d'une pluralité de buses à sa périphérie et monté librement pivotant autour d'un axe sensiblement vertical sur l'organe tournant.In a preferred embodiment of the invention, the flexible pipe connects the fixed connector to a turnstile provided with a plurality of nozzles at its periphery and mounted freely pivoting about a substantially vertical axis on the rotating member.

La présente invention a également pour objet une machine de nettoyage de surfaces, notamment de chaussées, caractérisée par le fait qu'elle comporte un dispositif tel que décrit ci-dessus.The present invention also relates to a machine for cleaning surfaces, in particular roadways, characterized in that it comprises a device as described above.

Comme les machines connues, la machine selon l'invention peut être montée à l'arrière d'un camion ou sur un chariot déplaçable manuellement.Like the known machines, the machine according to the invention can be mounted on the back of a truck or on a manually movable cart.

Dans le but de mieux faire comprendre l'invention on va en décrire maintenant un mode de réalisation donné à titre d'exemple et sans aucun caractère limitatif, en référence au dessin annexé dans lequel :

  • la figure 1 représente, de façon schématique, un camion équipé d'une machine de nettoyage de chaussées selon l'invention,
  • la figure 2 est une vue en coupe axiale d'un dispositif de projection d'eau sous pression selon un premier mode réalisation de l'invention,
  • la figure 3 est une vue selon la flèche III du dispositif de la figure 2, et
  • la figure 4 est une vue en coupe axiale d'un dispositif de projection d'eau à très haute pression selon un deuxième mode de réalisation de l'invention.
In order to better understand the invention we will now describe an embodiment given by way of example and without any limiting character, with reference to the accompanying drawing in which:
  • FIG. 1 schematically represents a truck equipped with a pavement cleaning machine according to the invention,
  • FIG. 2 is a view in axial section of a device for spraying water under pressure according to a first embodiment of the invention,
  • FIG. 3 is a view along arrow III of the device in FIG. 2, and
  • FIG. 4 is a view in axial section of a device for spraying water at very high pressure according to a second embodiment of the invention.

Sur la figure 1, on a représenté un camion désigné globalement par 1, qui est muni intérieurement d'un réservoir d'eau, d'une pompe à haute pression, et d'un système d'aspiration (non représentés).In Figure 1, there is shown a truck generally designated by 1, which is provided internally with a water tank, a high pressure pump, and a suction system (not shown).

A la partie arrière du camion 1, est montée une machine 2 de nettoyage de chaussées.At the rear of the truck 1 is mounted a machine 2 for cleaning pavements.

La machine 2 est montée sur le camion 1 à l'aide de vérins 3 qui permettent de la relever pendant les déplacements du camion et de l'abaisser au niveau de la chaussée pour procéder au nettoyage de l'enrobé drainant recouvrant celle-ci.The machine 2 is mounted on the truck 1 using jacks 3 which make it possible to raise it during the movements of the truck and to lower it to the level of the roadway for cleaning the draining asphalt covering the latter.

Des roulettes 4, disposées de part et d'autre de la machine 2, permettent, une fois la machine 2 abaissée, de maintenir cette dernière à affleurement de la chaussée, tout en déplaçant le camion 1 pour nettoyer l'enrobé drainant sur une bande correspondant sensiblement à la longueur du camion 1.Casters 4, placed on either side of the machine 2, allow, once the machine 2 is lowered, to keep the latter flush with the road, while moving the truck 1 to clean the asphalt draining on a strip substantially corresponding to the length of the truck 1.

La machine 2 est reliée hydrauliquement au camion 1 par une conduite d'aspiration 5 et par une conduite d'alimentation en eau à haute pression 6.The machine 2 is hydraulically connected to the truck 1 by a suction pipe 5 and by a high pressure water supply pipe 6.

A l'intérieur de son carter 7, la machine 2 comporte notamment un dispositif de projection d'eau à haute pression selon l'invention, qui est représenté en coupe sur la figure 2.Inside its casing 7, the machine 2 notably comprises a device for spraying water at high pressure according to the invention, which is shown in section in FIG. 2.

Sur cette figure, on a partiellement représenté les parois supérieure 7a et inférieure 7b du carter 7 de la machine 2.In this figure, the upper 7 a and lower 7 b walls of the casing 7 of the machine 2 have been partially represented.

La conduite 6 d'alimentation en eau à haute pression aboutit à la partie supérieure du carter 7 pour se fixer à un raccord fixe 8 assujetti, par exemple par vissage, à la paroi supérieure 7a .The high pressure water supply line 6 ends at the upper part of the casing 7 in order to be fixed to a fixed connector 8 secured, for example by screwing, to the upper wall 7 a .

A l'autre extrémité du raccord 8, est montée une conduite flexible 9 qui est apte à résister à la haute pression de l'eau acheminée par la conduite 6.At the other end of the connector 8, a flexible pipe 9 is mounted which is able to withstand the high pressure of the water conveyed by the pipe 6.

L'extrémité inférieure de la conduite 9 est raccordée à un tourniquet 10 qui est muni de buses de projection d'eau 11 à sa partie inférieure.The lower end of the pipe 9 is connected to a turnstile 10 which is provided with water spray nozzles 11 at its lower part.

Le tourniquet 10 est monté sur un organe 12, tournant librement autour d'un axe vertical 13 solidaire de la paroi inférieure 7b du carter 7.The turnstile 10 is mounted on a member 12, freely rotating about a vertical axis 13 integral with the lower wall 7b of the casing 7.

Des roulements à billes 14 assurent la libre rotation de l'organe 12 par rapport à l'axe 13.Ball bearings 14 ensure the free rotation of the member 12 relative to the axis 13.

Dans le mode de réalisation décrit, l'organe tournant 12 se présente sous la forme d'un disque qui comporte une gorge périphérique 15 apte à recevoir une courroie d'entraînement reliée à un moteur non représenté.In the embodiment described, the rotating member 12 is in the form of a disc which has a peripheral groove 15 capable of receiving a drive belt connected to a motor not shown.

Conformément à l'invention, le tourniquet 10 est également monté fou sur le disque 12 à l'aide de roulements à billes 16.According to the invention, the turnstile 10 is also mounted idly on the disc 12 by means of ball bearings 16.

Comme on le voit sur la figure 3, la paroi inférieure 7b comporte des ouvertures 17 au droit du passage des buses de projection d'eau 11.As can be seen in FIG. 3, the lower wall 7b has openings 17 in line with the passage of the water spray nozzles 11.

Ces ouvertures 17 permettent le passage de l'eau sous haute pression qui vient frapper la surface supérieure de l'enrobé drainant recouvrant la chaussée.These openings 17 allow the passage of water under high pressure which strikes the upper surface of the draining asphalt covering the floor.

L'axe 13 supportant le disque 12 est maintenu au-dessus du sol par les branches 18 découpées dans la paroi inférieure 7b.The axis 13 supporting the disc 12 is held above the ground by the branches 18 cut in the lower wall 7b .

On comprend que, lors de la rotation du disque 12, le tourniquet 10 décrit un cercle autour de l'axe 13.It is understood that, during the rotation of the disc 12, the turnstile 10 describes a circle around the axis 13.

La conduite flexible 9 n'est soumise à aucun effort de torsion, du fait que le tourniquet 10 est monté fou sur le disque 12, ce qui lui permet de conserver une orientation constante.The flexible pipe 9 is not subjected to any torsional force, because the turnstile 10 is mounted idly on the disc 12, which allows it to keep a constant orientation.

Pour projeter de l'eau à très haute pression, il est nécessaire de libérer complètement le passage de l'eau provenant des buses 11.To spray water at very high pressure, it is necessary to completely free the passage of the water coming from the nozzles 11.

A cet effet, le deuxième mode de réalisation du dispositif de l'invention, qui est représenté sur la figure 4, ne comporte pas de branches 18 pour supporter l'axe 13.To this end, the second embodiment of the device of the invention, which is shown in FIG. 4, does not include branches 18 to support the axis 13.

La paroi inférieure 7'b est munie d'un orifice dont les dimensions correspondent sensiblement à celles du disque 12' qui comporte un épaulement périphérique 19 dans lequel la gorge 15 est réalisée.The lower wall 7 ' b is provided with an orifice, the dimensions of which correspond substantially to those of the disc 12' which comprises a peripheral shoulder 19 in which the groove 15 is produced.

Ainsi, le disque 12' repose sur la paroi 7'b sans que le passage de l'eau sous très haute pression ne soit interrompu.Thus, the disc 12 'rests on the wall 7' b without the passage of water under very high pressure being interrupted.

Des roulements à billes 14' assurent la libre rotation du disque 12' par rapport à la paroi 7'b, autour de l'axe immatériel 13'.Ball bearings 14 'ensure the free rotation of the disc 12' relative to the wall 7 ' b , around the immaterial axis 13'.

Ce dispositif permet donc de projeter de l'eau à très haute pression au travers de buses rotatives, sans avoir recours à aucun raccord tournant.This device therefore makes it possible to spray water at very high pressure through rotary nozzles, without having to use any rotary coupling.

Il est bien entendu que le mode de réalisation qui vient d'être décrit ne présente aucun caractère limitatif et qu'il pourra recevoir toute modification désirable sans sortir pour cela du cadre de l'invention.It is understood that the embodiment which has just been described has no limiting character and that it can receive any desirable modification without departing from the scope of the invention.

Claims (4)

Dispositif de projection d'un fluide sous pression comportant, d'une part, un raccord fixe débouchant à l'extérieur du dispositif, apte à recevoir l'extrémité d'une conduite d'amenée du fluide sous pression, et d'autre part, un organe tournant autour d'un axe vertical, muni d'au moins une buse de projection du fluide, caractérisé par le fait que ladite buse (10,11) est montée librement pivotante autour d'un axe sensiblement vertical sur ledit organe tournant (12,12'), et qu'une conduite flexible (9) relie directement le raccord fixe (8) à la buse (10,11).Device for spraying a pressurized fluid comprising, on the one hand, a fixed connection opening out of the device, capable of receiving the end of a pipe for supplying the pressurized fluid, and on the other hand , a member rotating around a vertical axis, provided with at least one fluid projection nozzle, characterized in that said nozzle (10,11) is freely pivotally mounted about a substantially vertical axis on said rotating member (12,12 '), and that a flexible pipe (9) directly connects the fixed connector (8) to the nozzle (10,11). Dispositif selon la revendication 1, caractérisé par le fait que la conduite flexible (9) relie le raccord fixe (8) à un tourniquet (10) muni d'une pluralité de buses (11) à sa périphérie et monté librement pivotant autour d'un axe sensiblement vertical sur l'organe tournant (12,12').Device according to claim 1, characterized in that the flexible pipe (9) connects the fixed connection (8) to a turnstile (10) provided with a plurality of nozzles (11) at its periphery and mounted freely pivoting around a substantially vertical axis on the rotating member (12,12 '). Machine de nettoyage de surfaces, caractérisée par le fait qu'elle comporte un dispositif de projection fluide sous pression selon l'une quelconque des revendications 1 et 2.Surface cleaning machine, characterized in that it includes a fluid pressure spraying device according to any one of claims 1 and 2. Machine de nettoyage de chaussées, caractérisée par le fait qu'elle comporte un dispositif de projection d'eau sous pression selon l'une quelconque des revendications 1 et 2 et un système d'aspiration d'eau.Pavement cleaning machine, characterized in that it comprises a device for spraying pressurized water according to any one of claims 1 and 2 and a water suction system.
EP94400532A 1993-03-11 1994-03-11 Device for projecting a pressurized fluid and surface cleaning machine, especially of roads Withdrawn EP0617174A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9302814 1993-03-11
FR9302814A FR2702397B1 (en) 1993-03-11 1993-03-11 Device for spraying a pressurized fluid and machine for cleaning surfaces, especially roadways.

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EP0617174A1 true EP0617174A1 (en) 1994-09-28

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FR (1) FR2702397B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748676A1 (en) * 1996-05-20 1997-11-21 Dran Maurice METHOD OF CLEANING POROUS SURFACES WITH A WASHING LIQUID CONTAINING BACTERIA HAVING ENZYMATIC ACTIVITY
EP1020566A3 (en) * 1999-01-12 2001-08-22 NS Engineering Co., Ltd Method and device for recovering permeability of porous pavement surface layer
CN108700057A (en) * 2016-03-15 2018-10-23 光洋热***股份有限公司 Fluid supply apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2842545B1 (en) 2002-07-19 2004-09-24 Jungo Engineering WASHING STRUCTURE FOR ROAD VEHICLE

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1363993A (en) * 1916-12-21 1920-12-28 American Car Sprinkler Co Street-flusher
DE1459662A1 (en) * 1963-01-28 1969-01-02 Tennant Co G H Scrubbing machine
CH569844A5 (en) * 1974-04-24 1975-11-28 Wild Hagen Ernst Transportable road surface sprayer - has glass fibre reinforced thermally insulated storage tank for liq media
FR2515536A1 (en) * 1981-11-04 1983-05-06 Asnets Sarl Floor cleaner using high pressure fluid jets - consists of enclosed box with- sealing skirt depending from lower edge in which is mounted rotary sprinkler
DE3233274A1 (en) * 1982-09-08 1984-03-15 Woma-Apparatebau Wolfgang Maasberg & Co Gmbh, 4100 Duisburg High-pressure jet device for treating surfaces
DE8701171U1 (en) * 1987-01-24 1987-05-07 Wilst GmbH & Co Immobilien und Dienstleistungs KG, 6053 Obertshausen Front attachment for a street cleaning vehicle or similar.
AU587113B2 (en) * 1986-03-21 1989-08-03 Specialized Cleaning Services Pty. Ltd. Cleaning machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1363993A (en) * 1916-12-21 1920-12-28 American Car Sprinkler Co Street-flusher
DE1459662A1 (en) * 1963-01-28 1969-01-02 Tennant Co G H Scrubbing machine
CH569844A5 (en) * 1974-04-24 1975-11-28 Wild Hagen Ernst Transportable road surface sprayer - has glass fibre reinforced thermally insulated storage tank for liq media
FR2515536A1 (en) * 1981-11-04 1983-05-06 Asnets Sarl Floor cleaner using high pressure fluid jets - consists of enclosed box with- sealing skirt depending from lower edge in which is mounted rotary sprinkler
DE3233274A1 (en) * 1982-09-08 1984-03-15 Woma-Apparatebau Wolfgang Maasberg & Co Gmbh, 4100 Duisburg High-pressure jet device for treating surfaces
AU587113B2 (en) * 1986-03-21 1989-08-03 Specialized Cleaning Services Pty. Ltd. Cleaning machine
DE8701171U1 (en) * 1987-01-24 1987-05-07 Wilst GmbH & Co Immobilien und Dienstleistungs KG, 6053 Obertshausen Front attachment for a street cleaning vehicle or similar.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748676A1 (en) * 1996-05-20 1997-11-21 Dran Maurice METHOD OF CLEANING POROUS SURFACES WITH A WASHING LIQUID CONTAINING BACTERIA HAVING ENZYMATIC ACTIVITY
EP0808671A1 (en) * 1996-05-20 1997-11-26 Maurice Dran Method for cleaning porous surfaces with a washing liquid containing bacteria having an enzymatic activity
EP1020566A3 (en) * 1999-01-12 2001-08-22 NS Engineering Co., Ltd Method and device for recovering permeability of porous pavement surface layer
CN108700057A (en) * 2016-03-15 2018-10-23 光洋热***股份有限公司 Fluid supply apparatus

Also Published As

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FR2702397A1 (en) 1994-09-16
FR2702397B1 (en) 1995-04-14

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