EP1724404B1 - Dispositif de drainage pour véhicules de loisir - Google Patents

Dispositif de drainage pour véhicules de loisir Download PDF

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Publication number
EP1724404B1
EP1724404B1 EP06111659.6A EP06111659A EP1724404B1 EP 1724404 B1 EP1724404 B1 EP 1724404B1 EP 06111659 A EP06111659 A EP 06111659A EP 1724404 B1 EP1724404 B1 EP 1724404B1
Authority
EP
European Patent Office
Prior art keywords
collection area
draining
vehicle
tank
washing
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.)
Not-in-force
Application number
EP06111659.6A
Other languages
German (de)
English (en)
Other versions
EP1724404A3 (fr
EP1724404A2 (fr
Inventor
Massimo Tomellini
Gianluca Della Valle
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.)
Innova SNC Di Massimo Tomellini E C
GV SRL
Original Assignee
Innova SNC Di Massimo Tomellini E C
GV SRL
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Filing date
Publication date
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Application filed by Innova SNC Di Massimo Tomellini E C, GV SRL filed Critical Innova SNC Di Massimo Tomellini E C
Publication of EP1724404A2 publication Critical patent/EP1724404A2/fr
Publication of EP1724404A3 publication Critical patent/EP1724404A3/fr
Application granted granted Critical
Publication of EP1724404B1 publication Critical patent/EP1724404B1/fr
Not-in-force legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/008—Temporary fluid connections for emptying mobile sewage holding tanks, e.g. of trailers, boats

Definitions

  • the present invention relates to a system for and a method of draining sewage from vehicles, such as for instance campers, caravans, coaches and so on.
  • vehicles such as for instance campers, caravans, coaches and so on.
  • Such system could be installed for instance in motorway service areas, equipped parking areas, campsites, and holiday camps.
  • DE 35 02 922 discloses a waste disposal device for a camping van comprising a transit surface on which the camping van can pass and stop and a collecting tank provided below said transit surface, wherein said collecting tank is provided with covering grids on which the camping van wheels rest upon during the waste disposal.
  • FR 2,815,891 discloses a device for washing an agricultural tractor comprising transit surface on which the camping van can pass and stop and a collecting tank provided below said transit surface, wherein said transit surface comprises grid catwalks on which the tractor wheels rest upon during the washing operation.
  • US 2005/0199268 similarly discloses a device for washing vehicles wherein the vehicles pass and stop on elevated supporting rails and discharge channels leading to a collecting tank are provided below said elevated rails.
  • US 2002/117191 discloses a washing assembly for vehicles wherein a collecting tank or trough is provided, said tank or trough being closed and separated from the outside environment by a grate device which is specifically intended for retaining the contaminants; said tank or trough separates two sloped surface portions of a support floor the wheel of the vehicle to be washed resting upon said sloped surface portions.
  • a system according to the invention for draining sewage from vehicles is equipped with a collecting tank of stainless steel, which tank is smooth, has no roughness and can be easily washed by means of jets of water and disinfectant under pressure coming from side ducts mounted on the tank edges, in central position on the side opposite to the well or drain.
  • the system according to the invention is equipped with a washing pump, having an accumulation reservoir, upstream of the tank, which pump sends the water - disinfectant mixture under pressure to the tank ducts having micro-holes.
  • the system according to the invention is equipped with a proportioning pump having a reservoir for a disinfectant stock and injecting an adjustable amount of disinfectant into the accumulation reservoir of the washing pump.
  • the system according to the invention is equipped with an original well/drain located by the side of the washing tank just below the pavement surface.
  • the system according to the invention is equipped with two photoelectric cells, which manage the automatic wash operations in conjunction with the PLC included into the electric panel.
  • the system according to the invention is equipped with a vacuum breaker valve protecting the water supply line of the organization providing for the service.
  • the system according to the invention is equipped with a motor-driven breaking valve connecting the draining duct either to the siphon or to the accumulation tank.
  • the collection area is arranged relative to the transit surface so that the bottom of the collection area has an increasing depth in a longitudinal direction of the same collection area.
  • the system for draining sewage and other non-gaseous waste fluids for carrying out the method, comprises means for guiding the vehicle so that it passes on the collection area, to perform draining, according to a predetermined transit direction, and the vehicle discharging liquids at the collection area has a width not exceeding twice the maximum size of the collection area transversally to the predetermined transit direction of the vehicle on the same collection area.
  • the method according to the invention includes a preliminary step consisting of a previous sprinkling of the whole tank, this being to be made before the user has discharged into the same tank.
  • a program for a programmable logic unit comprising program code means arranged to perform all operations of the method according to the invention when the program for logic unit is run on a logic unit.
  • a program product fora programmable logic unit which product comprises program code means stored on a memory support readable by a programmable logic unit and arranged to perform the method according to the invention when the program for logic unit is run on a logic unit.
  • the draining system includes a self-cleaning and self-sanitising rectangular tank 1 of stainless steel, which can be for instance about 2000 mm long and about 800 mm wide: thus its size is such as to facilitate the manoeuvres the user is to effect in order to bring his/her vehicle above the tank.
  • tank I is installed in the asphalt paving of the equipped area, as shown in Fig. 1 , or on another transit surface 102 ( Fig. 2 ) on which a road vehicle 14 can pass.
  • collecting tank 1 defines a concave collection area 100, which is substantially elongated and is arranged transversally to the predetermined transit direction DT ( Fig. 1 ) along which pavement 9 and girder 10 guide vehicle 14 approaching the draining position. More particularly, in the present exemplary embodiment, tank 1 has substantially the shape of a big gutter or channel and of a portion of conical, cylindrical or prismatic surface.
  • collection area 100 has such a size that it extends over at least half the width of a vehicle 14 having the maximum size for which the draining position is designed. For instance, if the draining position is designed to allow draining from vehicles with maximum width Lmax equal to 2.30 m, collection area 100 advantageously extends over a width Lzr ( Fig. 1 ) equal to at least 1.15 m. More advantageously, collection area 100 extends over a width Lzr equal to or greater than maximum width Lmax of a vehicle 14 of the maximum size for which the draining position is designed. More advantageously, collection area 100 extends over a width Lzr equal to at least 2.00 m.
  • collection area 100 extends over a width Lzr equal to at least 3.00 m 30 or collection area 100 extends over a width Lzr equal to at least 4.00 m.
  • collection area 100 has substantially V -shaped cross-sections.
  • collection area 100 has substantially U-shaped cross sections, or other suitably rounded shapes. In any case, it has shapes allowing a vehicle 14 to transit above tank 1 without its wheels sinking and remaining blocked in collection area 100.
  • collection area 100 advantageously has a maximum depth Pmax ( Fig. 4 ) not exceeding maximum width Lxmax of the transversal cross section of collection area 100 in correspondence with maximum depth Pmax.
  • coliection area 100 has a maximum depth Pmax not exceeding half the maximum width Lxmax of the transversal cross section of collection area 100 in correspondence with maximum depth Pmax.
  • collection area 100 has a maximum depth Pmax not exceeding one third of maximum width Lxmax of the transversal cross section of collection area 100 in correspondence with maximum depth Pmax.
  • collection area 100 has a maximum depth Pmax not exceeding one fourth of maximum width Lxmax of the transversal cross section of collection area 100 in correspondence with maximum depth Pmax.
  • ratio Pmax to Lxmax is about 0.2.
  • the bottom of the collection area is preferably inclined so as to have an increasing depth from one end to the opposite one - in the example of Fig. 2 from the right towards the left - of collection area 100. As it will be disclosed also below, this assists the flow of the drained liquids down to well or drain 15.
  • Tank 1 of the exemplary embodiment shown in Figs. 1 to 4 has moreover the peculiar feature of having, in the upper portion of its long sides, two pipes 7 having a set of several micro-holes, for instance andjust as an indication, 210 micro-holes per pipe, or 40-50 holes per pipe metre, which are suitably oriented and are such that they are capable of sprinkling each portion of tank 1 with water and disinfectant.
  • a pipe section 7 may be provided also centrally of collection area 100, in a portion thereof on the opposite side to well or drain 15.
  • the draining system of the present embodiment further includes a column 8, which is mounted on the pavement by the side of tank 1 and houses, in the present exemplary embodiment, the following components ( Figs. 3 and 4 ):
  • Column 8 acts as a reference for the user, which can see instructions 13 for using the system affixed to the column.
  • the column is preferably made of smooth plate, without any accessory than can be turned off by vandalism actions.
  • pre-fabricated modules each comprising a tank 1, e.g. of stainless steel, and a concrete sheet integral with the rear face of the same tank 1, i. e. the face opposite to the one on which water and wastes will flow in use.
  • the area can thus be easily washed and the hygienic problems mentioned above and resulting from the use of gratings, grids or other members with indented shapes are avoided. Also well or drain 15 and the other parts that subsequently come into contact with the sewage can be washed as easily.
  • Vehicle 14 as soon as it is properly positioned above collecting tank 1, is detected by photoelectric cells 6 located on column 8, which cells actuate the system and wet tank 1 with a water film. Such an important preliminary step will prevent sewage from adhering to the plate. The user will then open the discharge valve of the tank of his/her vehicle, thereby discharging the tank contents into tank 1. Thanks to a suitable positioning of pipes 7, for instance a t least along the longitudinal edges of collection area 100, and to actuation thereof before sewage is drained from vehicle 14, the powerful jets or sprays generated by pipes 7 repel sewage splashes falling down onto the bottom of tank 1 towards the centre of collection area 100, thereby confining such splashes and preventing them from dirtying the areas outside tank 1 itself.
  • the provision of two or more photoelectric cells 6 suitably spaced from each other in the horizontal direction, according to the travel direction envisaged for vehicles 14, advantageously allows the automatic system to properly discriminate situations in which a vehicle 14 is present and properly parked relative to tank 1 and/or column 8 to perform draining (in which case both photoelectric cells 6 may be on), situations in which there is no vehicle 14 (in which case both photoelectric cells 6 may be off), and situations in which vehicle 14 is not properly positioned to perform draining (in which case it is possible to have one photoelectric cell 6 on and the other off).
  • only one photoelectric cell 6, more than two photoelectric cells 6 or other kinds of detectors may be provided to detect the presence and/or the position of a vehicle 14 in the draining area.
  • the discharged sewage, pushed by the flow of the water/disinfectant mixture, is channelled by the twofold slope of collection area 100 both towards the central line of the tank and towards pavement 9. Sewage is then collected into a well or drain 15 formed below the pavement surface. That particular feature allows leaving wide sections open to sewage flow, without exerting any restriction and/or resistance, and at the same time ensures that the user cannot stumble over holes, wells or hindrances of various kinds.
  • well 15 is integrally formed with tank 1, for instance of stainless steel. Both the well and any part affected by sewage flow are always smooth, drafted and with suitable cross sections, so as to prevent any clogging, staunching and deposit.
  • weli15 where sewage is conveyed is connected with a siphon 12, upstream the latter, so as to eliminate bad smells, and it can communicate for instance with the sewer system, a redirecting tank, an Imhoff pit, etc.
  • Washing pump 3 located in column 8 sends an amount of water-disinfectant mixture, as an indication, about 50 litres, under pressure, to pipes 7 with micro-holes of tank 1.
  • tank 1 By means of such powerful under pressure jets the whole surface of tank 1 is cleaned and disinfected, and no trace of the discharged sewage remains even in collecting well 15 located below the pavement.
  • washing pump 3 in order to be able to effect that operation in a few seconds (as an indication about 15 - 20 sec) must be adequately fed. Since the flow rate of the aqueduct may be insufficient to that aim, column 8 advantageously includes an accumulation reservoir 4. Such an accumulation reservoir 4 is filled with water from the aqueduct up to a maximum level and, when that level is attained, a float connected with a needle valve 16 stops water entry into reservoir 4.
  • Disinfectant is injected into reservoir 4 by a proportioning pump 2, which adjusts the proper amount in dependence on the actuation time, which is adjustable.
  • the wash/disinfection cycle may possibly be started by both the pedal control 11 provided on the column, and photoelectric cells 6 detecting first the presence of the camper, then the leaving of same.
  • a so-called “vacuum breaker” valve 5 is provided, for instance the valve commercially available from company ORAS of Kunststoffa (Finland) under part number 261032, which valve has to prevent return flow from the draining system into the water supply system.
  • valve 5 especially known in ship industry, prevents such a return flow. Essentially, besides operating as any conventional non return valve, it injects air into the water supply pipe, should unfortunately that pipe be at sub-atmospheric pressure.
  • vacuum breaker valves or systems are known for instance from documents US4819279 or US6823535 .
  • a motor-driven and tightly sealing flap valve 18 can be advantageously located immediately downstream the well and upstream the siphon. That valve is to prevent rainwater from being conveyed towards the accumulation pit, with the risk of filling it. That valve is normally kept closed, and it is opened only when the photoelectric cells detect the presence above the tank of a vehicle that is about to discharge. Flap valve 18 may however be replaced by other breaking devices 18 capable of closing or opening the draining duct.
  • jets of hot vapour or of other washing and/or sanitising fluids could also be used in place of water or a mixture of water and disinfectant to sanitise collection area 100 of tank 1.
  • Vacuum breaker valve 5 may be replaced by other vacuum compensating devices 5, arranged to prevent any contaminant from penetrating into the supply duct, by introducing air, water or other compensation fluids into the discharge duct so as to increase pressure therein.
  • the systems and methods according to the invention can be modified to allow discharging and draining not only liquid wastes such as sewage or wastewater of a camper 14, but also other kinds of non-gaseous fluid wastes, such as for instance muds, greasy deposits, mucilages or solid-liquid mixtures.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Claims (9)

  1. Un système pour décharger des résidus de fluides non gazeux de véhicules routiers (14) avec une largeur qui est sensiblement non supérieure à une largeur maximale (Lmax) prédéterminée, le système comprenant:
    a) une zone de transit (102) sur laquelle peuvent se déplacer et arrêter des véhicules routiers;
    b) un réservoir collecteur (1) situé sur la surface de transit (102) et comprenant à son tour une zone de collecte (100) sensiblement concave, capable de recueillir et contenir des résidus de fluides liquides et/ou gazeux déchargés d'un véhicule routier (14) positionné au-dessus de la même zone de collecte (100), dans lequel
    - la zone de collecte a une taille de manière à s'étendre au moins sur la moitié de la largeur maximale (Lmax) prédéterminée;
    - la zone de collecte (100) du réservoir collecteur (1) se trouve sur la surface de transit (102), de manière qu'un véhicule peut passer au-dessus du réservoir collecteur 1) avec au moins une roue de celui-ci qui repose directement sur ladite zone de collecte,
    - la dite zone de collecte (100) a une forme allongée avec des sections concaves essentiellement en forme de V ou en forme de U, avec une profondeur maximale (Pmax) ne dépassant pas la largeur maximale (Lmax) de la section transversale de la zone de collecte, en correspondance avec une profondeur maximale (Pmax);
    c) une pompe proportionnelle (2) avec un réservoir de désinfectant et deux tubes (7) dans la partie supérieure des côtés longs de la zone de collecte (100) avec une pluralité de micro-trous, par injection d'un mélange d'eau/désinfectant à l'intérieur de ladite zone de collecte (100) dudit réservoir de recueil; caractérisé par
    deux cellules photo-électriques (6) qui détectent la présence du véhicule routier, et un bouton de pédale (11) pour activer le lavage, la zone de collecte (100) étant disposée dans une direction transversale par rapport à la surface de transit (102), de manière que le fond de la zone de collecte a une profondeur croissante depuis une extrémité de la zone de collecte, et un puits (15) est logé sur ladite autre extrémité de la zone de collecte (100).
  2. Système selon la revendication 1, dans lequel la zone de collecte (100) a une profondeur maximale (Pmax) sensiblement ne dépassant pas la moitié de la largeur maximale (Lxmax) de la section transversale de la zone de collecte, en correspondance avec ladite profondeur maximale (Pmax).
  3. Système selon l'une ou plusieurs des revendications précédentes, avec l'agencement du tube (7), aussi dans le centre de la zone de collecte (100).
  4. Système selon la revendication 1, comprenant une unité logique agencée pour commander le lavage et/ou la désinfection de la zone de collecte (100) en fonction des signaux échangés avec les cellules photo-électriques (6) pour la détection d'un véhicule.
  5. Système selon l'une ou plusieurs des revendications précédentes, comprenant:
    - une conduite d'alimentation en eau disposée pour alimenter le système de déchargement avec de l'eau pour laver et/ou désinfecter la zone de collecte (100);
    - un dispositif de compensation sous vide (5), agencé de manière à empêcher chaque pénétration de contaminants à l'intérieur du conduit d'alimentation, par l'introduction d'une compensation de fluide dans le conduit d'alimentation, de manière à accroître la pression à l'intérieur.
  6. Système selon l'une ou plusieurs des revendications précédentes, comprenant:
    - un conduit de déchargement agencé pour décharger les résidus et d'autres liquides accumulés dans la zone de collecte (100), en les éloignant de la même zone de collecte (100);
    - un dispositif d'arrêt (18) agencé de manière à fermer ou ouvrir le conduit d'évacuation.
  7. Système selon l'une ou plusieurs des revendications précédentes, comprenant un réservoir de stockage (4) agencé de manière à stocker l'eau de lavage et/ou de désinfection de la zone de collecte (100).
  8. Procédé pour le déchargement de résidus de fluide non gazeux de véhicules routiers (14), comprenant les opérations suivantes:
    - décharger des résidus liquides d'un véhicule routier (14) dans la zone de collecte d'un système tel que revendiqué dans une ou plusieurs des revendications 1 à 7, dans lequel pendant le déchargement le véhicule (14) est situé au-dessus la zone de collecte (100);
    - faire transiter le véhicule (14) avant et/ou pendant et/ou après l'opération de déchargement, avec au moins une roue directement appuyé sur la zone de collecte.
  9. Procédé selon la revendication 8, comprenant l'étape consistant à pulvériser de manière préventive au moins dans la zone de collecte (100) le fluide de lavage et/ou de désinfection, avant de décharger à l'intérieur les liquides et/ou les fluides résidus non gazeux du véhicule (14).
EP06111659.6A 2005-03-24 2006-03-23 Dispositif de drainage pour véhicules de loisir Not-in-force EP1724404B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20050098 ITMI20050098U1 (it) 2005-03-24 2005-03-24 Dispositivi per lo smaltimento dei liquami dai serbatoi di accumulo di autocaravans campers pullmans e disinfezione delle parti interessate al passaggio dei liquami stessi

Publications (3)

Publication Number Publication Date
EP1724404A2 EP1724404A2 (fr) 2006-11-22
EP1724404A3 EP1724404A3 (fr) 2010-03-31
EP1724404B1 true EP1724404B1 (fr) 2015-12-09

Family

ID=36586170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06111659.6A Not-in-force EP1724404B1 (fr) 2005-03-24 2006-03-23 Dispositif de drainage pour véhicules de loisir

Country Status (2)

Country Link
EP (1) EP1724404B1 (fr)
IT (1) ITMI20050098U1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3502922A1 (de) * 1985-01-30 1986-07-31 Jakob Schweissgut Entsorgungseinrichtung fuer ein wohnmobil
FR2815891B1 (fr) * 2000-10-27 2003-11-14 Philippe Debruyne Installation pour le nettoyage d'engins agricoles et la recuperation des eaux sales contaminees et/ou usees
US6655396B2 (en) * 2001-02-23 2003-12-02 Art Krenzel Closed loop pressure washer system with hydro-dynamic continuous flush washing assembly
US6799591B2 (en) * 2001-03-02 2004-10-05 Hydro Engineering, Inc. Wash fluid containment system

Also Published As

Publication number Publication date
EP1724404A3 (fr) 2010-03-31
EP1724404A2 (fr) 2006-11-22
ITMI20050098U1 (it) 2006-09-25

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