EP1888265A2 - Device for cleaning the inside space of an enclosure, in particular of a truck or container and a system comprising said device - Google Patents

Device for cleaning the inside space of an enclosure, in particular of a truck or container and a system comprising said device

Info

Publication number
EP1888265A2
EP1888265A2 EP06794440A EP06794440A EP1888265A2 EP 1888265 A2 EP1888265 A2 EP 1888265A2 EP 06794440 A EP06794440 A EP 06794440A EP 06794440 A EP06794440 A EP 06794440A EP 1888265 A2 EP1888265 A2 EP 1888265A2
Authority
EP
European Patent Office
Prior art keywords
washing
enclosure
cleaning
liquid
carriage
Prior art date
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.)
Ceased
Application number
EP06794440A
Other languages
German (de)
French (fr)
Inventor
Jean Chetail
Maurice Guerin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MGR-INDUSTRIE
Michaud-Grosbenoit M Frederic
Original Assignee
MGR-INDUSTRIE
Michaud-Grosbenoit M Frederic
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MGR-INDUSTRIE, Michaud-Grosbenoit M Frederic filed Critical MGR-INDUSTRIE
Publication of EP1888265A2 publication Critical patent/EP1888265A2/en
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • B08B9/0936—Cleaning containers, e.g. tanks by the force of jets or sprays using rotating jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S3/00—Vehicle cleaning apparatus not integral with vehicles
    • B60S3/008—Vehicle cleaning apparatus not integral with vehicles for interiors of land vehicles

Definitions

  • the invention relates firstly to a device for carrying out the cleaning of the interior of an enclosure, more particularly intended for transport, and such as for example constituted by a truck, in particular of the refrigerating type or a container. It is particularly aimed at a device for washing and / or disinfection of the self-propelled type.
  • It also relates to an installation or a more global system, implementing such a device, capable of conveying at the level of the latter the elements necessary for its operation, such as in particular the washing liquid, or even disinfection.
  • German patent DE 120 26 178 This describes, in fact, such a cleaning system, but which has the disadvantage of being permanently integrated in the truck or trailer to be cleaned. .
  • its positioning in substantially central position of the cabin does not allow optimum efficiency in all places of said cabin.
  • a device of the type in question consisting of a motor-driven trolley, provided with rotating cleaning brushes, in particular of the floor, and static brushes, capable of cleaning the side walls.
  • this device is not provided with means capable of cleaning the upper wall.
  • this brush system proves to be insufficient in view of the desired results, especially in terms of hygienic standards.
  • the object of the present invention is to provide a cleaning device for an enclosure, including transport, likely to satisfactorily meet the criteria required by the standards in force, besides presenting a simple operation to implement to allow a manufacturing cost, but also relatively low maintenance, thus ensuring wide dissemination.
  • This device for cleaning the inside of an enclosure including transport, comprises a trolley mounted on wheels, and provided with a washing head, comprising a number of nozzles capable of delivering a washing liquid, disinfection and / or or pressurized rinsing, connected to one or more tanks containing the liquid or liquids in question via a pump or a compressor, said washing head being able to be driven in a rotational movement, so as to promote access to the liquid or liquids anywhere in the enclosure.
  • the washing head is static.
  • the nozzles are distributed equidistantly or not.
  • the washing head is static during the washing and / or disinfection steps, but on the other hand, is rotated during the rinsing step.
  • the pressure of the washing and / or disinfecting liquid is lower than that of the rinsing liquid.
  • the head When the head is rotatable, it is capable of being rotated with an angular variation of 360 °, this rotation being inscribed in one or more planes perpendicular to the plane of the base of said enclosure.
  • the washing head is advantageously self-rotating under the action of the pressure of the liquid in question so as to allow the nozzles of which it is equipped, to eject the appropriate liquid in all directions and in each of the places of the trailer or truck.
  • the washing trolley is self-propelled.
  • it is provided with one or more motors, especially electric, suitable for ensuring its progression within the enclosure to be washed, and / or disinfect.
  • the carriage can thus be provided with two motors, one actuating the axis of one of the wheels, the other the axis of the counter-wheel, that is to say opposite laterally to said first wheel, and this to ensure simultaneously with the progress of the washing trolley within the enclosure, also its direction.
  • At least one of the axles of the wheels is provided with a freewheel-type anti-back-up system, in order not to risk the recoil of the washing trolley during operation, a return likely to occur. to intervene by reaction to the thrust exerted by the jets under high pressure emitted by the nozzles of the washing head.
  • the non-propulsive wheels of the washing trolley are mounted oscillating, in particular with respect to a central hinge axis, thus making it possible to confer on the trolley a certain adhesion to the ground, in particular in the case of passage of 'obstacles.
  • the invention also relates to a more complex washing system implementing the aforementioned washing carriage.
  • This washing system incorporates in addition to a washing trolley of the type previously described, a frame movable in translation and height, and provided with leveling ramps of said frame with the cabin or the enclosure to be cleaned.
  • This chassis includes also the liquid tank (s) implemented by the washing trolley, as well as channel-type connection means with the washing head, in addition to the means of unwinding and automatic winding of these means and a high pump pressure or a compressor, suitable for conveying the liquid or liquids at the nominal pressure at the nozzles of the washing head.
  • Figure 1 is a schematic representation in side view of the washing trolley according to the invention.
  • Figure 2 is a top view of said carriage, and
  • Figure 3 is a front view.
  • Figure 4 is a schematic representation illustrating the interior of the washing trolley, in addition to its means of progression.
  • Figure 5 is a schematic representation illustrating the complete washing system of the present invention.
  • FIG. 1 to 4 shows a washing trolley according to the present invention.
  • this washing trolley is more particularly intended to ensure the washing and disinfection of a refrigerated box of a truck or a semitrailer.
  • the invention can not be limited to this single application and that, since it is appropriate to proceed to the cleaning of an enclosure, whatever its shape and since it is provided with a substantially flat base, suitable to allow the progression of the washing trolley, the latter of application.
  • This carriage (1) basically comprises a frame (2) provided with wheels respectively front (3, 3 '), and rear (4, 4'), intended to allow its progression within the cabin, and generally the enclosure considered.
  • the front wheels (3, 3 ') are motorized respectively by means of an electric motor (14) and (15), the operation of which is ensured by means of rechargeable batteries or generators (not shown ).
  • the rear wheels, non-propulsive (4) and (4 ') connected to the frame by hubs (12) and (12') are mounted oscillating, that is to say that the hubs (12) and (12) ') are articulated at a hinge pin (13) formed within the carriage (1), to allow the latter to maintain the adhesion to the ground in case of passage of obstacles, such as in particular waste that may still be in the cabin when it is cleaned.
  • the front wheels (3) and (3 ') are provided with an anti-recoil system, constituted respectively by an axis (16) integral with a free wheel (17). This prevents unwanted undesired retraction of the truck during the cleaning or washing phase.
  • This freewheel system is disengageable, for example by reversing the direction of rotation of the motor shaft, to allow the carriage to retreat when the washing step and / or disinfection is complete.
  • the front face of the carriage is provided with a rotating washing head (7) provided with a certain number of nozzles for ejecting the washing and / or disinfecting liquid.
  • This washing head is rotatably mounted in an angular variation of 360 ° on a support (6), itself mounted at the end of a rod (5) reversibly secured to the front face of said carriage.
  • this rod is stopped by a stop (8) and received in a slide (9), obviously of appropriate shape.
  • said rod is removable, allowing, if necessary to carry out the transfer of said average cart a small footprint.
  • the rod (5) can be adjustable in height. In this case, it is for example telescopic.
  • the washing head comprises a rotating part, consisting of a peripheral ring provided with eight nozzles distributed equidistantly relative to each other and substantially contained in a vertical plane.
  • this plane is slightly inclined towards the front of the washing trolley of fifteen degrees, in order to promote the performance of the rinsing step.
  • This rotating part of the washing head is indeed intended to ensure the rinsing of the box or container, and therefore after a washing step and / or disinfection.
  • the rotation of the washing head allows the jets emitted by the nozzles which it is equipped to reach all the places of said cabin during rinsing. Indeed, in its basic version, this rotation is preferably inscribed in a plane perpendicular to the direction of progression of said carriage. However, it is important that this rotation is recorded or occurs in one or more planes perpendicular to the surface of the truck floor to be cleaned.
  • the support (6) of the rotary head (7) is itself capable of being driven by an angular rotation movement of 180 °. This rotation occurs this time along a plane parallel to the base of the enclosure to be cleaned. It is for example made by means of an electric motor (18), operating on a rotary cam (19), connected by means of a connecting rod (20) to the base (21) of the rod (5). .
  • the 360 ° rotation of the rotating head occurs in a plurality of planes perpendicular to the ground of the truck to be cleaned.
  • washing and / or disinfection itself are also provided by the washing head. But during this or these steps, the liquid is conveyed at a lower pressure, so that there is no effective rotation of the head in the vertical plane.
  • the delivery pressure of the washing and disinfecting liquids is close to 5 bars, while that of the flushing liquid is significantly higher.
  • the washing liquid that can be used is, for example, marketed by HENKEL under the reference BC10.
  • the rotary washing head is for example sold by the Italian company PA under the reference A80R.
  • the washing and / or disinfecting liquid is conveyed to the washing head via lines (10) and (30), connected, as hereinafter described in more detail, to liquid containers. corresponding, in addition to a compressor unit or a high pressure pump ensuring the pressurization of the fluids in question.
  • FIG. 5 shows a complete washing system implementing the washing trolley of FIGS. 1 to 4.
  • this washing system comprises a movable frame (22) mounted for this purpose on wheels (23, 23 ').
  • This frame can be pulled by a hitch (24) capable of orienting the steering wheels (23 ').
  • This frame can even be self-propelled. In other words, this frame can be mobile in translation and height.
  • This lifting platform is intended to receive, on the one hand, the elements necessary for the operation and supply of the washing trolley (1) in fluid (s) under pressure, and on the other hand the trolley itself ( 1), as can be seen in Figure 5.
  • the free end of this platform (26) is provided with hinged connecting arms (27) allowing, once the lifting platform (26) is substantially level with the floor of the cabin and generally of the enclosure to be cleaned, to be folded to allow the progression of said washing trolley (1) within it.
  • the service assembly (28) thus comprises one or more tanks (not shown) receiving the washing liquid, or even prewash and disinfection.
  • This assembly (28) is also provided with devices for winding and winding (29) pipes (10) and (30), also in a known manner, an automatic winding of said pipes when the washing carriage back from its point of maximum advance within the cabin to be cleaned, ie when the cleaning and / or disinfection steps have been completed.
  • These unwinding and winding devices are typically of the friction type with torque limiter.
  • the typical duration of a complete cycle is close to 20 minutes.

Abstract

The invention relates to a device for cleaning the inside space of an enclosure and, in particular of a truck or container comprising a carriage (1) which is mounted on wheels (3, 4) and provided with a washing head (7) supplying a pressurised washing, disinfecting and/or rinsing liquid and connected to one or several liquid-containing tanks by means of a pump or compressor, wherein said washing head (7) is rotatable in such a way that the liquids are enabled to penetrate into all areas of the enclosure.

Description

DISPOSITIF POUR NETTOYER L'INTÉRIEUR D'UNE ENCEINTE, ET NOTAMMENT D'UN CAMION OU D'UN CONTAINEUR, ET INSTALLATION INTEGRANT UN TEL DISPOSITIF.DEVICE FOR CLEANING THE INTERIOR OF AN ENCLOSURE, ESPECIALLY A TRUCK OR A CONTAINER, AND AN INSTALLATION INCORPORATING SUCH A DEVICE.
DOMAINE TECHNIQUETECHNICAL AREA
L'invention concerne tout d'abord un dispositif pour permettre la réalisation du nettoyage de l'intérieur d'une enceinte, plus particulièrement destinée au transport, et telle que par exemple constituée par un camions, notamment de type frigorifique ou un containeur. Elle vise tout particulièrement un dispositif de lavage et/ou de désinfection du type automoteur.The invention relates firstly to a device for carrying out the cleaning of the interior of an enclosure, more particularly intended for transport, and such as for example constituted by a truck, in particular of the refrigerating type or a container. It is particularly aimed at a device for washing and / or disinfection of the self-propelled type.
Elle concerne également une installation ou un système plus global, mettant en œuvre un tel dispositif, susceptible d'acheminer au niveau de ce dernier les éléments nécessaires à son fonctionnement, tel que notamment le liquide de lavage, voire de désinfection.It also relates to an installation or a more global system, implementing such a device, capable of conveying at the level of the latter the elements necessary for its operation, such as in particular the washing liquid, or even disinfection.
ETATANTÉRIEURDE LA TECHNIQUESTATUS OF TECHNIQUE
Dans le domaine des transports, plus particulièrement celui des transports routiers, des normes de plus en plus drastiques imposent, plus particulièrement dans le domaine du transport de matières alimentaires et comestibles, un nettoyage approfondi quasi systématique des camions et autres remorques frigorifiques, dans un souci évident d'hygiène et de salubrité.In the field of transport, more particularly road transport, increasingly stringent standards require, particularly in the field of the transport of food and edible materials, an in-depth systematic cleaning of trucks and other refrigerated trailers, for the sake of obvious hygiene and sanitation.
On connaît déjà des dispositifs plus ou moins automatiques permettant de remplir partiellement cette fonction.We already know more or less automatic devices to partially fulfill this function.
A titre exemplatif, il peut être cité le brevet allemand DE 120 26 178. Celui-ci décrit, en effet, un tel système de nettoyage, mais qui présente l'inconvénient d'être en permanence intégré dans le camion ou la remorque à nettoyer. En d'autres termes, il convient de prévoir un dispositif du type en question par camion, surenchérissant ainsi les coûts. Au surplus, son positionnement en position sensiblement central de la cabine n'autorise pas une efficacité optimum en tous les lieux de ladite cabine. On a également proposé, par exemple dans le document US 4 309 788, un dispositif du type en question, constitué d'un chariot auto-moteur, muni de brosses rotatives de nettoyage, notamment du sol, et brosses statiques, susceptibles de nettoyer les parois latérales. En revanche, ce dispositif n'est pas pourvu de moyens susceptibles de nettoyer la paroi supérieure. Au demeurant, ce système à brosses s'avère insuffisant au regard des résultats recherchés, notamment en termes de normes hygiéniques.By way of example, mention may be made of the German patent DE 120 26 178. This describes, in fact, such a cleaning system, but which has the disadvantage of being permanently integrated in the truck or trailer to be cleaned. . In other words, it is appropriate to provide a device of the type in question by truck, thus outbid the costs. Moreover, its positioning in substantially central position of the cabin does not allow optimum efficiency in all places of said cabin. It has also been proposed, for example in document US Pat. No. 4,309,788, a device of the type in question, consisting of a motor-driven trolley, provided with rotating cleaning brushes, in particular of the floor, and static brushes, capable of cleaning the side walls. However, this device is not provided with means capable of cleaning the upper wall. Moreover, this brush system proves to be insufficient in view of the desired results, especially in terms of hygienic standards.
DESCRIPTION DE L'INVENTIONDESCRIPTION OF THE INVENTION
L'objet de la présente invention est de proposer un dispositif de nettoyage pour une enceinte, notamment de transport, susceptible de remplir de manière satisfaisante les critères exigés par les normes en vigueur, outre de présenter un fonctionnement simple à mettre en œuvre pour permettre un coût de fabrication, mais également de maintenance relativement réduit, permettant ainsi d'assurer une large diffusion.The object of the present invention is to provide a cleaning device for an enclosure, including transport, likely to satisfactorily meet the criteria required by the standards in force, besides presenting a simple operation to implement to allow a manufacturing cost, but also relatively low maintenance, thus ensuring wide dissemination.
Ce dispositif pour nettoyer l'intérieur d'une enceinte, notamment de transport, comprend un chariot monté sur roues, et muni d'une tête de lavage, comportant un certain nombre de buses aptes à délivrer un liquide de lavage, de désinfection et/ou de rinçage sous pression, reliée à une ou plusieurs réservoirs contenant le ou les liquides en question par l'intermédiaire d'une pompe ou d'un compresseur, ladite tête de lavage étant susceptible d'être animée d'un mouvement de rotation, de telle sorte à favoriser l'accès du ou des liquides en tous lieux de l'enceinte.This device for cleaning the inside of an enclosure, including transport, comprises a trolley mounted on wheels, and provided with a washing head, comprising a number of nozzles capable of delivering a washing liquid, disinfection and / or or pressurized rinsing, connected to one or more tanks containing the liquid or liquids in question via a pump or a compressor, said washing head being able to be driven in a rotational movement, so as to promote access to the liquid or liquids anywhere in the enclosure.
Selon une première forme de réalisation de l'invention, la tête de lavage est statique.According to a first embodiment of the invention, the washing head is static.
Selon l'invention, les buses sont réparties de manière équidistante ou non.According to the invention, the nozzles are distributed equidistantly or not.
Selon une autre forme de réalisation de l'invention, la tête de lavage est statique pendant les étapes de lavage et/ou de désinfection, mais en revanche, est animée d'un mouvement de rotation lors de l'étape de rinçage. Dans ce cas, la pression du liquide de lavage et/ou de désinfection est inférieure à celle du liquide de rinçage.According to another embodiment of the invention, the washing head is static during the washing and / or disinfection steps, but on the other hand, is rotated during the rinsing step. In this case, the pressure of the washing and / or disinfecting liquid is lower than that of the rinsing liquid.
Lorsque la tête est rotative, elle est susceptible d'être animée d'un mouvement de rotation présentant une variation angulaire de 360 °, cette rotation étant inscrite dans un ou plusieurs plans perpendiculaires au plan de la base de ladite enceinte. Selon l'invention, la tête de lavage est avantageusement auto rotative sous l'action de la pression du liquide en question pour ainsi permettre aux buses dont elle est munie, d'éjecter le liquide approprié dans toutes les directions et en chacun des lieux de la remorque ou du camion.When the head is rotatable, it is capable of being rotated with an angular variation of 360 °, this rotation being inscribed in one or more planes perpendicular to the plane of the base of said enclosure. According to the invention, the washing head is advantageously self-rotating under the action of the pressure of the liquid in question so as to allow the nozzles of which it is equipped, to eject the appropriate liquid in all directions and in each of the places of the trailer or truck.
Ce faisant, dès lors que la pression du liquide mis en œuvre est appropriée, et qu'au surplus, on sélectionne de manière adéquate le liquide de lavage voire de désinfection, il devient possible, de manière relativement simple mais cependant efficace de procéder au nettoyage et à la désinfection de l'intérieur des caisses de camion et autres containeurs, selon un rythme soutenu, et pour un coût de revient réduit.In doing so, as soon as the pressure of the liquid used is appropriate, and that, moreover, the washing or even the disinfecting liquid is adequately selected, it becomes possible in a relatively simple but efficient manner to proceed with the cleaning. and disinfection of the interior of the truck and other containers, at a steady pace, and for a reduced cost.
Avantageusement, le chariot de lavage est automoteur. En d'autres termes, il est muni d'un, voire de plusieurs moteurs, notamment électriques, propres à assurer sa progression au sein de l'enceinte à laver, et/ou à désinfecter.Advantageously, the washing trolley is self-propelled. In other words, it is provided with one or more motors, especially electric, suitable for ensuring its progression within the enclosure to be washed, and / or disinfect.
Le chariot peut ainsi être muni de deux moteurs, l'un actionnant l'axe de l'une des roues, l'autre l'axe de la roue antagoniste, c'est à dire opposée latéralement à ladite première roue, et ce, afin d'assurer simultanément avec la progression du chariot de lavage au sein de l'enceinte, également sa direction.The carriage can thus be provided with two motors, one actuating the axis of one of the wheels, the other the axis of the counter-wheel, that is to say opposite laterally to said first wheel, and this to ensure simultaneously with the progress of the washing trolley within the enclosure, also its direction.
Selon une autre caractéristique de l'invention, l'un au moins des axes des roues est muni d'un système anti-recul de type roue libre, afin de ne pas risquer le recul du chariot de lavage en cours de fonctionnement, retour susceptible d'intervenir par réaction à la poussée exercée par les jets sous forte pression émis par les buses de la tête de lavage.According to another characteristic of the invention, at least one of the axles of the wheels is provided with a freewheel-type anti-back-up system, in order not to risk the recoil of the washing trolley during operation, a return likely to occur. to intervene by reaction to the thrust exerted by the jets under high pressure emitted by the nozzles of the washing head.
Selon une autre caractéristique de l'invention, les roues non propulsives du chariot de lavage sont montées oscillantes, notamment par rapport à un axe d'articulation central, permettant ainsi de conférer au chariot une certaine adhérence au sol, notamment en cas de passage d'obstacles.According to another characteristic of the invention, the non-propulsive wheels of the washing trolley are mounted oscillating, in particular with respect to a central hinge axis, thus making it possible to confer on the trolley a certain adhesion to the ground, in particular in the case of passage of 'obstacles.
L'invention concerne également un système de lavage plus complexe mettant en œuvre le chariot de lavage précité.The invention also relates to a more complex washing system implementing the aforementioned washing carriage.
Ce système de lavage intègre outre un chariot de lavage du type de celui précédemment décrit, un châssis mobile en translation et en hauteur, et muni de rampes de mise à niveau dudit châssis avec la cabine ou l'enceinte à nettoyer. Ce châssis comprend également le ou les réservoirs de liquide(s) mis en œuvre par le chariot de lavage, ainsi que des moyens de liaison du type canalisation avec la tête de lavage, outre les moyens de dévidage et de renvidage automatique de ces moyens et une pompe haute pression ou un compresseur, propre à acheminer le ou les liquides à la pression nominale au niveau des buses de la tête de lavage.This washing system incorporates in addition to a washing trolley of the type previously described, a frame movable in translation and height, and provided with leveling ramps of said frame with the cabin or the enclosure to be cleaned. This chassis includes also the liquid tank (s) implemented by the washing trolley, as well as channel-type connection means with the washing head, in addition to the means of unwinding and automatic winding of these means and a high pump pressure or a compressor, suitable for conveying the liquid or liquids at the nominal pressure at the nozzles of the washing head.
DESCRIPTION DES DESSINSDESCRIPTION OF THE DRAWINGS
La manière dont l'invention peut être réalisée et les avantages qui en découlent ressortiront mieux de l'exemple de réalisation qui suit donné à titre indicatif et non limitatif à l'appui des figures annexées.The manner in which the invention can be realized and the advantages which result from it will emerge more clearly from the exemplary embodiment which follows given by way of indication and not limitation in support of the appended figures.
La figure 1 est une représentation schématique en vue latérale du chariot de lavage conforme à l'invention. La figure 2 est une vue du dessus dudit chariot, et la figure 3 est une vue de devant.Figure 1 is a schematic representation in side view of the washing trolley according to the invention. Figure 2 is a top view of said carriage, and Figure 3 is a front view.
La figure 4 est une représentation schématique illustrant l'intérieur du chariot de lavage, outre ses moyens de progression.Figure 4 is a schematic representation illustrating the interior of the washing trolley, in addition to its means of progression.
La figure 5 est une représentation schématique illustrant le système de lavage complet de la présente invention.Figure 5 is a schematic representation illustrating the complete washing system of the present invention.
DESCRIPTION DÉTAILLÉE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION
On a donc représenté en relation avec les figures 1 à 4, un chariot de lavage conforme à la présente invention.FIG. 1 to 4 shows a washing trolley according to the present invention.
Dans l'exemple qui suit, ce chariot de lavage est plus particulièrement destiné à assurer le lavage et la désinfection d'une caisse frigorifique d'un camion ou d'une semi- remorque.In the following example, this washing trolley is more particularly intended to ensure the washing and disinfection of a refrigerated box of a truck or a semitrailer.
II est bien entendu que, pour autant, l'invention ne saurait se limiter à cette seule application et que, dès lors qu'il convient de procéder au nettoyage d'une enceinte, quelle que soit sa forme et dès lors qu'elle est pourvue d'une base sensiblement plane, propre à permettre la progression du chariot de lavage, ce dernier d'application.It is understood that, for all that, the invention can not be limited to this single application and that, since it is appropriate to proceed to the cleaning of an enclosure, whatever its shape and since it is provided with a substantially flat base, suitable to allow the progression of the washing trolley, the latter of application.
Ce chariot (1) comporte fondamentalement un châssis (2) pourvu de roues respectivement avant (3, 3'), et arrière (4, 4'), destinées à permettre sa progression au sein de la cabine, et de manière générale de l'enceinte considérée. Dans l'exemple décrit, seules les roues avant (3, 3') sont motorisées, respectivement au moyen d'un moteur électrique (14) et (15), dont le fonctionnement est assuré au moyen de batteries ou génératrices rechargeables (non représentées).This carriage (1) basically comprises a frame (2) provided with wheels respectively front (3, 3 '), and rear (4, 4'), intended to allow its progression within the cabin, and generally the enclosure considered. In the example described, only the front wheels (3, 3 ') are motorized respectively by means of an electric motor (14) and (15), the operation of which is ensured by means of rechargeable batteries or generators (not shown ).
Ainsi, de par une motorisation distincte des deux roues avant (3) et (3'), on peut assurer outre la progression du chariot (1), également son changement de direction au sein de l'enceinte à nettoyer en stoppant l'un des deux moteurs par exemple.Thus, by a separate motorization of the two front wheels (3) and (3 '), it is possible to ensure in addition to the progression of the carriage (1), also its change of direction within the enclosure to be cleaned by stopping one two engines for example.
Corollairement, les roues arrière, non propulsives (4) et (4') reliées au châssis par des moyeux (12) et (12') sont montées oscillantes, c'est-à-dire que les moyeux (12) et (12') sont articulés au niveau d'un axe d'articulation (13) réalisé au sein du chariot (1), afin de permettre à ce dernier de conserver l'adhérence au sol en cas de passage d'obstacles, tel que notamment des déchets susceptibles de se trouver encore dans la cabine lorsque celle-ci est nettoyée.As a corollary, the rear wheels, non-propulsive (4) and (4 ') connected to the frame by hubs (12) and (12') are mounted oscillating, that is to say that the hubs (12) and (12) ') are articulated at a hinge pin (13) formed within the carriage (1), to allow the latter to maintain the adhesion to the ground in case of passage of obstacles, such as in particular waste that may still be in the cabin when it is cleaned.
Au surplus, les roues avant (3) et (3') sont dotées d'un système anti-recul, constitué respectivement par un axe (16) solidaire d'une roue libre (17). On évite ainsi tout recul intempestif non souhaité du chariot, pendant la phase de nettoyage ou de lavage.In addition, the front wheels (3) and (3 ') are provided with an anti-recoil system, constituted respectively by an axis (16) integral with a free wheel (17). This prevents unwanted undesired retraction of the truck during the cleaning or washing phase.
En effet, compte tenu de la puissance d'éjection des jets mis en œuvre par le chariot de lavage, le principe action/réaction peut induire le recul du chariot pendant ces phases opérationnelles. Ce système de roue libre est débrayable, par exemple par inversion du sens de rotation de l'arbre moteur, afin de permettre le recul du chariot lorsque l'étape de lavage et/ou de désinfection est terminée.Indeed, given the ejection power of the jets implemented by the washing trolley, the principle action / reaction can induce the decline of the trolley during these operational phases. This freewheel system is disengageable, for example by reversing the direction of rotation of the motor shaft, to allow the carriage to retreat when the washing step and / or disinfection is complete.
Selon l'invention, la face avant du chariot est munie d'une tête rotative de lavage (7) pourvue d'un certain nombre de buses d'éjection du liquide de lavage et/ou de désinfection.According to the invention, the front face of the carriage is provided with a rotating washing head (7) provided with a certain number of nozzles for ejecting the washing and / or disinfecting liquid.
Cette tête de lavage est montée rotative selon une variation angulaire de 360° sur un support (6), lui-même monté à l'extrémité d'une tige (5) solidarisée de manière réversible sur la face avant dudit chariot. En l'espèce et par exemple, cette tige est stoppée par une butée (8) et reçue dans un coulisseau (9), bien évidemment de forme appropriée. Ce faisant, ladite tige est démontable, permettant, le cas échéant de procéder au transfert dudit chariot moyennent un encombrement réduit. Au surplus, la tige (5) peut être réglable en hauteur. Dans ce cas, elle est par exemple télescopique. Selon une forme avantageuse de l'invention, la tête de lavage comporte une partie rotative, constituée d'un anneau périphérique muni de huit buses réparties de manière équidistante les unes par rapport aux autres et sensiblement contenues dans un plan vertical. Avantageusement, ce plan est légèrement incliné en direction de l'avant du chariot de lavage d'une quinzaine de degrés, dans l'objectif de favoriser les performances de l'étape de rinçage. Cette partie rotative de la tête de lavage est en effet destinée à assurer le rinçage de la caisse ou du containeur, et donc postérieurement à une étape de lavage et/ou de désinfection.This washing head is rotatably mounted in an angular variation of 360 ° on a support (6), itself mounted at the end of a rod (5) reversibly secured to the front face of said carriage. In this case and for example, this rod is stopped by a stop (8) and received in a slide (9), obviously of appropriate shape. In doing so, said rod is removable, allowing, if necessary to carry out the transfer of said average cart a small footprint. In addition, the rod (5) can be adjustable in height. In this case, it is for example telescopic. According to an advantageous form of the invention, the washing head comprises a rotating part, consisting of a peripheral ring provided with eight nozzles distributed equidistantly relative to each other and substantially contained in a vertical plane. Advantageously, this plane is slightly inclined towards the front of the washing trolley of fifteen degrees, in order to promote the performance of the rinsing step. This rotating part of the washing head is indeed intended to ensure the rinsing of the box or container, and therefore after a washing step and / or disinfection.
La rotation de la tête de lavage permet aux jets émis par les buses dont elle est munie, d'atteindre tous les lieux de ladite cabine en cours de rinçage. En effet, dans sa version de base, cette rotation est inscrite préférentiellement dans un plan perpendiculaire à la direction de progression dudit chariot. Cependant, il importe que cette rotation soit inscrite ou s'effectue dans un ou plusieurs plans perpendiculaires à la surface du sol du camion à nettoyer.The rotation of the washing head allows the jets emitted by the nozzles which it is equipped to reach all the places of said cabin during rinsing. Indeed, in its basic version, this rotation is preferably inscribed in a plane perpendicular to the direction of progression of said carriage. However, it is important that this rotation is recorded or occurs in one or more planes perpendicular to the surface of the truck floor to be cleaned.
Ainsi, et avantageusement, tel que représenté sur la figure 4, le support (6) de la tête rotative (7) est lui-même susceptible d'être animé d'un mouvement de rotation angulaire de 180°. Cette rotation intervient cette fois selon un plan parallèle à la base de l'enceinte à nettoyer. Elle est par exemple réalisée par l'intermédiaire d'un moteur électrique (18), actionnant sur une came rotative (19), reliée par le biais d'une bielle (20) à la base (21) de la tige (5).Thus, and advantageously, as shown in Figure 4, the support (6) of the rotary head (7) is itself capable of being driven by an angular rotation movement of 180 °. This rotation occurs this time along a plane parallel to the base of the enclosure to be cleaned. It is for example made by means of an electric motor (18), operating on a rotary cam (19), connected by means of a connecting rod (20) to the base (21) of the rod (5). .
Ce faisant, la rotation de 360 ° de la tête rotative intervient dans une pluralité de plans perpendiculaires au sol du camion à nettoyer.In doing so, the 360 ° rotation of the rotating head occurs in a plurality of planes perpendicular to the ground of the truck to be cleaned.
Ces différents moyens sont en tant que tels, bien connus de l'homme du métier, de sorte qu'il n'y a pas lieu de les décrire ici plus en détail.These various means are as such, well known to those skilled in the art, so that there is no need to describe them here in more detail.
Le lavage et/ou la désinfection proprement dite sont également assurées par la tête de lavage. Mais durant cette ou ces étapes, le liquide est acheminée à une pression moindre, de sorte qu'il n'y a pas rotation effective de la tête dans le plan vertical.Washing and / or disinfection itself are also provided by the washing head. But during this or these steps, the liquid is conveyed at a lower pressure, so that there is no effective rotation of the head in the vertical plane.
Typiquement, la pression d'acheminement des liquides de lavage et de désinfection est voisine del5 bars, alors que celle d'acheminement du liquide de rinçage est nettement plus élevée. Le liquide de lavage susceptible d'être mis en oeuvre est par exemple commercialisé par la société HENKEL sous la référence BClO.Typically, the delivery pressure of the washing and disinfecting liquids is close to 5 bars, while that of the flushing liquid is significantly higher. The washing liquid that can be used is, for example, marketed by HENKEL under the reference BC10.
La tête de lavage rotative est par exemple commercialisée par la société italienne PA sous la référence A80R.The rotary washing head is for example sold by the Italian company PA under the reference A80R.
Il convient de souligner que, par la double rotation imprimée à la tête de lavage en phase de rinçage, d'une part, dans le plan de progression du chariot de 180° et d'autre part dans un plan perpendiculaire par rapport à la direction de progression de celui-ci, tous les lieux de l'enceinte à nettoyer et notamment de la cabine frigorifique sont atteints par les jets émis par les buses portées par ladite tête rotative (7).It should be emphasized that, by the double rotation printed at the washing head in rinsing phase, on the one hand, in the plane of progression of the carriage 180 ° and on the other hand in a plane perpendicular to the direction progress of the latter, all places of the enclosure to be cleaned and in particular the refrigerating cabin are reached by the jets emitted by the nozzles carried by said rotary head (7).
A cet effet, le liquide de lavage et/ou de désinfection est acheminé au niveau de la tête de lavage par des canalisations (10) et (30), reliées, ainsi que décrit ci-après plus en détail, à des réservoirs des liquides correspondants, outre à un groupe compresseur ou une pompe haute pression assurant la mise en pression des fluides en question.For this purpose, the washing and / or disinfecting liquid is conveyed to the washing head via lines (10) and (30), connected, as hereinafter described in more detail, to liquid containers. corresponding, in addition to a compressor unit or a high pressure pump ensuring the pressurization of the fluids in question.
On a de fait représenté en relation avec la figure 5, un système complet de lavage mettant en œuvre le chariot de lavage des figures 1 à 4.FIG. 5 shows a complete washing system implementing the washing trolley of FIGS. 1 to 4.
Fondamentalement, ce système de lavage comporte un châssis mobile (22) monté à cet effet sur des roues (23, 23'). Ce châssis peut être tiré par un attelage (24) susceptible d'orienter les roues directrices (23'). Ce châssis peut même être automoteur. En d'autres termes, ce châssis peut être mobile en translation et en hauteur.Basically, this washing system comprises a movable frame (22) mounted for this purpose on wheels (23, 23 '). This frame can be pulled by a hitch (24) capable of orienting the steering wheels (23 '). This frame can even be self-propelled. In other words, this frame can be mobile in translation and height.
II est muni d'une plate-forme élévatrice (26), notamment au moyen d'un moteur thermique ou électrique non représenté, et actionnable par un boîtier de commande (25). Cette plate-forme élévatrice est destinée à recevoir d'une part, les éléments nécessaires au fonctionnement et à l'approvisionnement du chariot de lavage (1) en fluide(s) sous pression, et d'autre part le chariot lui-même (1), ainsi qu'on peut bien l'observer sur la figure 5.It is provided with a lifting platform (26), in particular by means of a thermal or electric motor, not shown, and actuable by a control box (25). This lifting platform is intended to receive, on the one hand, the elements necessary for the operation and supply of the washing trolley (1) in fluid (s) under pressure, and on the other hand the trolley itself ( 1), as can be seen in Figure 5.
L'extrémité libre de cette plate-forme (26) est munie de bras de jonction (27) articulés permettant, une fois que la plate-forme élévatrice (26) se trouve sensiblement à niveau du sol de la cabine et de manière générale de l'enceinte à nettoyer, d'être rabattus pour permettre la progression dudit chariot de lavage (1) au sein de celle-ci. L'ensemble de service (28) comporte donc un ou plusieurs réservoirs (non représentés) recevant le liquide de lavage, voire de prélavage et de désinfection.The free end of this platform (26) is provided with hinged connecting arms (27) allowing, once the lifting platform (26) is substantially level with the floor of the cabin and generally of the enclosure to be cleaned, to be folded to allow the progression of said washing trolley (1) within it. The service assembly (28) thus comprises one or more tanks (not shown) receiving the washing liquid, or even prewash and disinfection.
Il intègre également un moteur thermique, afin d'assurer l'entraînement et l'activation d'une pompe haute-pression, OU d'une pompe haute et basse pression, à laquelle sont reliées respectivement les canalisations (10) et (30) d'acheminement du liquide considéré au niveau de la tête de lavage (7).It also incorporates a heat engine, to drive and activate a high-pressure pump, OR a high and low pressure pump, to which the pipes (10) and (30) are respectively connected. conveying the liquid considered at the washing head (7).
Cet ensemble (28) est également muni de dispositifs de dévidage et renvidage (29) des canalisations (10) et (30), permettant, également de manière connue, un renvidage automatique desdites canalisations lorsque le chariot de lavage recule depuis son point d'avancée maximum au sein de la cabine à nettoyer, c'est à dire lorsque les étapes de nettoyage et /ou de désinfection ont été achevées. Ces dispositifs de dévidage et de renvidage sont typiquement du type à friction avec limiteur de couple.This assembly (28) is also provided with devices for winding and winding (29) pipes (10) and (30), also in a known manner, an automatic winding of said pipes when the washing carriage back from its point of maximum advance within the cabin to be cleaned, ie when the cleaning and / or disinfection steps have been completed. These unwinding and winding devices are typically of the friction type with torque limiter.
On conçoit que l'invention ainsi définie permette de manière simple, efficace (très haute pression) et à des coûts de revient particulièrement réduits, de mettre en œuvre des directives normatives en termes de nettoyage et de désinfection, notamment des caisses frigorifiques des camions et autres containeurs.It is conceivable that the invention thus defined allows a simple way, effective (very high pressure) and particularly low costs, to implement normative directives in terms of cleaning and disinfection, including refrigerated boxes trucks and other containers.
En raison même du mode de fonctionnement de l'installation et du système de lavage de l'invention, il ressort qu'un tel nettoyage est faiblement consommateur de temps de sorte qu'il peut être systématiquement mis en œuvre après chaque transport, ainsi que le requiert les normes en question.Due to the operating mode of the installation and the washing system of the invention, it appears that such cleaning is low time consuming so that it can be systematically implemented after each transport, as well as requires the standards in question.
Ainsi, la durée typique d'un cycle complet est voisine de 20 minutes. Thus, the typical duration of a complete cycle is close to 20 minutes.

Claims

REVENDICATIONS
1. Dispositif pour nettoyer l'intérieur d'une enceinte, et notamment d'un camion ou d'un containeur, comprenant un chariot (1) monté sur roues (3, 3', 4, 4'), caractérisé en ce qu'il est muni d'une tête de lavage (7) délivrant un liquide de lavage, de désinfection et/ou de rinçage sous pression, reliée à une ou plusieurs réservoirs contenant le ou les liquides en question par l'intermédiaire d'une pompe ou d'un compresseur, ladite tête de lavage (7) comportant un nombre déterminé de buses, réparties de manière équidistante ou non, et ladite tête de lavage (7) étant susceptible d'être animée d'un mouvement de rotation, de telle sorte à favoriser l'accès du ou des liquides en tous lieux de l'enceinte.A device for cleaning the interior of an enclosure, and in particular a truck or container, comprising a wheel-mounted trolley (1) (3, 3 ', 4, 4'), characterized in that it is provided with a washing head (7) delivering a wash, disinfecting and / or rinsing fluid under pressure, connected to one or more tanks containing the liquid or liquids in question via a pump or a compressor, said washing head (7) comprising a given number of nozzles, distributed equidistantly or not, and said washing head (7) being able to be driven in a rotational movement, such so as to promote access to the liquid or liquids everywhere in the enclosure.
2. Dispositif pour nettoyer l'intérieur d'une enceinte selon la revendication 1, caractérisé en ce que la tête de lavage (7) est statique pendant les étapes de lavage et/ou de désinfection, mais en revanche, est animée d'un mouvement de rotation lors de l'étape de rinçage.2. Device for cleaning the interior of an enclosure according to claim 1, characterized in that the washing head (7) is static during the washing and / or disinfection steps, but on the other hand, is animated by a rotational motion during the rinsing step.
3. Dispositif pour nettoyer l'intérieur d'une enceinte selon la revendication 2, caractérisé en ce que la tête de lavage (7) est auto-rotative sous l'action de la pression du liquide de rinçage acheminé au niveau des buses dont elle est munie.3. Device for cleaning the inside of an enclosure according to claim 2, characterized in that the washing head (7) is self-rotating under the action of the pressure of the rinsing liquid conveyed at the level of the nozzles which it is provided.
4. Dispositif pour nettoyer l'intérieur d'une enceinte selon la revendication 3, caractérisé en ce que la pression du liquide de lavage et/ou de désinfection est inférieure à celle du liquide de rinçage.4. Device for cleaning the interior of an enclosure according to claim 3, characterized in that the pressure of the washing liquid and / or disinfection is lower than that of the rinsing liquid.
5. Dispositif pour nettoyer l'intérieur d'une enceinte selon l'une des revendications 2 à 4, caractérisé en ce que la tête de lavage (7) est rotative selon 360 °, cette rotation étant inscrite dans un ou plusieurs plans perpendiculaires au plan de la base de ladite enceinte5. Device for cleaning the interior of an enclosure according to one of claims 2 to 4, characterized in that the washing head (7) is rotatable 360 °, this rotation being inscribed in one or more planes perpendicular to the plan of the base of said enclosure
6. Dispositif pour nettoyer l'intérieur d'une enceinte selon l'une des revendications 1 à 5, caractérisé en ce que le chariot (7) est automoteur. 6. Device for cleaning the interior of an enclosure according to one of claims 1 to 5, characterized in that the carriage (7) is self-propelled.
7. Dispositif pour nettoyer l'intérieur d'une enceinte selon la revendication 6, caractérisé en ce que le chariot (7) est muni d'un, voire de plusieurs moteurs (14, 15), notamment électriques, propres à assurer sa progression au sein de l'enceinte à laver, et/ou à désinfecter.7. Device for cleaning the inside of an enclosure according to claim 6, characterized in that the carriage (7) is provided with one or more motors (14, 15), especially electric, suitable for its progression within the enclosure to be washed, and / or to disinfect.
8. Dispositif pour nettoyer l'intérieur d'une enceinte selon la revendication 7, caractérisé en ce que le chariot (1) est muni de deux moteurs (14, 15), l'un actionnant l'axe de l'une des roues (3), l'autre l'axe de la roue antagoniste (3'), c'est à dire opposée latéralement à ladite première roue, et ce, afin d'assurer simultanément avec la progression du chariot de lavage au sein de l'enceinte, également sa direction.8. Device for cleaning the inside of an enclosure according to claim 7, characterized in that the carriage (1) is provided with two motors (14, 15), one actuating the axis of one of the wheels (3), the other the axis of the counter-wheel (3 '), that is to say opposite laterally to said first wheel, and this, to ensure simultaneously with the progression of the washing trolley within the pregnant, also his direction.
9. Dispositif pour nettoyer l'intérieur d'une enceinte selon l'une des revendications 1 à 8, caractérisé en ce que l'un au moins des axes des roues est muni d'un système anti-recul (16, 17) de type roue libre, afin de ne pas risquer le recul du chariot (1) en cours de fonctionnement.9. Device for cleaning the interior of an enclosure according to one of claims 1 to 8, characterized in that at least one of the axes of the wheels is provided with an anti-recoil system (16, 17) of Freewheel type, in order not to risk the recoil of the carriage (1) during operation.
10. Dispositif pour nettoyer l'intérieur d'une enceinte selon l'une des revendications 1 à 9, caractérisé en ce que les roues non propulsives (4, 4') du chariot (1) sont montées oscillantes, notamment par rapport à un axe d'articulation central (13), de telle sorte à conférer audit chariot une certaine adhérence au sol, notamment en cas de passage d'obstacles.10. Device for cleaning the interior of an enclosure according to one of claims 1 to 9, characterized in that the non-propulsive wheels (4, 4 ') of the carriage (1) are mounted oscillating, in particular with respect to a central hinge axis (13), so as to confer on said truck a certain adhesion to the ground, especially in case of obstacle passing.
11. Système de lavage d'une enceinte, et notamment d'un camion ou d'un containeur, caractérisé en ce qu'il comprend :11. System for washing an enclosure, and in particular a truck or a container, characterized in that it comprises:
• un châssis (22) ;A frame (22);
• un chariot de lavage (1) conforme à l'une quelconque des revendications 1 à 10 ;• a washing trolley (1) according to any one of claims 1 to 10;
• un ensemble de service (28), intégrant le ou les réservoirs de liquide(s) mis en œuvre par le chariot de lavage, des moyens de liaison du type canalisation (10, 30) avec la tête de lavage (7) dont est muni ledit chariot (1), des moyens de dévidage et de renvidage automatique (29) de ces moyens de liaison, et une pompe ou un compresseur, propre à acheminer le ou les liquides à la pression nominale au niveau des buses de la tête de lavage. A service assembly (28) incorporating the liquid reservoir (s) used by the washing trolley, pipe-type connecting means (10, 30) with the washing head (7) of which equipped with said carriage (1), means of unwinding and automatic winding (29) of these connecting means, and a pump or a compressor, suitable for conveying the liquid or liquids at the nominal pressure at the nozzles of the head of the washing.
12. Système de lavage d'une enceinte et notamment d'un camion selon la revendication 11, caractérisé en ce que le châssis (22) est mobile en translation et en hauteur et est automoteur. 12. System for washing an enclosure and in particular a truck according to claim 11, characterized in that the frame (22) is movable in translation and height and is self-propelled.
EP06794440A 2005-05-19 2006-05-18 Device for cleaning the inside space of an enclosure, in particular of a truck or container and a system comprising said device Ceased EP1888265A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0551293A FR2885821B1 (en) 2005-05-19 2005-05-19 DEVICE FOR CLEANING THE INTERIOR OF AN ENCLOSURE, IN PARTICULAR A TRUCK OR CONTAINER, AND INSTALLATION INCORPORATING SUCH A DEVICE
PCT/FR2006/050457 WO2007000538A2 (en) 2005-05-19 2006-05-18 Device for cleaning the inside space of an enclosure, in particular of a truck or container and a system comprising said device

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EP1888265A2 true EP1888265A2 (en) 2008-02-20

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FR2925372A1 (en) * 2007-12-21 2009-06-26 Arthur Achdjibachian Enclosure cleaning robot for mechanically refrigerated van, has self-propelled carriage that is displaced alternatively towards front and back, where carriage has cleaning heads at each ends or opposite end parts
FR2938222B1 (en) * 2008-11-07 2010-12-24 Grosbenoit Frederic Michaud CLEANING CART FOR INTERIOR OF SPEAKERS, ESPECIALLY REFRIGERATED; INSTALLATION AND METHOD USING THE TROLLEY
FR2969936B1 (en) * 2010-12-29 2013-02-08 Maurice Fallavier DEVICE FOR WASHING THE INTERNAL SURFACES OF AN ENCLOSURE
DE102018222657A1 (en) * 2018-12-20 2020-06-25 Volkswagen Aktiengesellschaft Method for cleaning an interior of a vehicle, mobile cleaning robot, mobile lifting device and system

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US3534746A (en) * 1968-08-21 1970-10-20 Samuel Posner Portable cleaner for trailer interiors
US3973988A (en) * 1975-01-17 1976-08-10 Mcmahan Richard C Trailer washing apparatus
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FR2885821B1 (en) 2007-09-14
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WO2007000538A2 (en) 2007-01-04

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