EP2240654B1 - Vorrichtung zur reinigung einer untergetauchten fläche mit abgewinkeltem pumplaufrad - Google Patents

Vorrichtung zur reinigung einer untergetauchten fläche mit abgewinkeltem pumplaufrad Download PDF

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Publication number
EP2240654B1
EP2240654B1 EP08864710A EP08864710A EP2240654B1 EP 2240654 B1 EP2240654 B1 EP 2240654B1 EP 08864710 A EP08864710 A EP 08864710A EP 08864710 A EP08864710 A EP 08864710A EP 2240654 B1 EP2240654 B1 EP 2240654B1
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EP
European Patent Office
Prior art keywords
liquid
pumping
hollow body
liquid outlet
hydraulic circuit
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EP08864710A
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English (en)
French (fr)
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EP2240654A2 (de
Inventor
Philippe Pichon
Emmanuel Mastio
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Zodiac Pool Care Europe SAS
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Zodiac Pool Care Europe SAS
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/14—Parts, details or accessories not otherwise provided for
    • E04H4/16—Parts, details or accessories not otherwise provided for specially adapted for cleaning
    • E04H4/1654—Self-propelled cleaners

Definitions

  • the invention relates to a surface-cleaning apparatus immersed in a liquid, in particular a pool-side cleaner.
  • the axis of the pumping propeller is generally vertical (see for example FR 2567552 , WO 0250388 , FR 2586054 , EP 1022411 ), in particular to generate an application force by suction of the device on the immersed surface.
  • this vertical arrangement of the axis of the pumping propeller induces a relatively large vertical space, which results in a high hydraulic resistance to the advance of the apparatus, and therefore in a large energy consumption.
  • the document FR 2896005 discloses a submerged surface cleaner which comprises the features of the preamble of claim 1.
  • the invention aims to provide a submerged surface cleaner device whose performance / cost ratio is greatly improved over that of prior devices.
  • the invention aims to provide such a device whose cost can be substantially lowered for equivalent performance, or better than those of known devices.
  • the invention applies to any pool cleaner device of the type mentioned above, which can be including electric drive, hydraulic or mixed.
  • the object of the invention is more particularly to provide such an apparatus which is of the self-propelled type and with an onboard drive motor motor (s).
  • each hydraulic circuit can be designed and sized to minimize pressure losses and optimize filtration performance.
  • an apparatus according to the invention can be provided with a much lower power driving device, and thus with reduced consumption and costs. This also results in a lower overall volume and a lower weight of the apparatus which, in addition to the economy achieved, is an important advantage for the user, particularly in terms of handling, transport and storage of the apparatus. .
  • an apparatus having an inclined axial pumping propeller may have a greater length available for the hydraulic circuit, all other things being equal, which makes it possible to have the pumping propeller at a distance from the engine pumping greater than the distance separating the propeller from the engine in a vertical axial pumping propeller apparatus. Therefore, the pressure losses induced by the presence of the motor on the hydraulic path are lower because deviations and tortuosities of the hydraulic path are minimized.
  • the liquid flow at the pump propeller can be substantially parallel to the axis of the pump propeller.
  • an apparatus according to the invention comprising an inclined pump may have a large ground clearance, without nevertheless having significant overall vertical dimensions. Such ground clearance reduces the risk of blocking the device for example on a bottom drain of a pool.
  • liquid inlet being offset longitudinally from the liquid outlet, and the axis of the propeller of the pumping device being inclined so as to allow an inclined liquid flow between this inlet and this liquid outlet, the debris suction flow present on the immersed surface generated by the pumping device can also be inclined.
  • This inclined suction flow can allow debris to be sucked up slightly in front of or behind a liquid inlet of the apparatus, depending on the direction of movement of the apparatus, the inclination of the propeller , the arrangement of the liquid inlets, and the shape of the hydraulic circuit.
  • an inclination of the helix in a direction substantially parallel to the direction connecting the liquid inlet to the liquid outlet allows suction of debris located in front of the liquid inlet.
  • This suction can facilitate the suction of debris at the feet of vertical walls of a swimming pool for example, while such a suction would not be possible if the pumping propeller was vertical at the foot of the entrance of liquid.
  • An apparatus comprises at least one liquid pumping device comprising a pumping motor having a rotary motor shaft coupled to at least one axial pumping propeller which has an inclined axis of rotation.
  • the rotating motor shaft of a pumping device coupled to a pumping propeller may be vertical, horizontal, or have any inclination with respect to the longitudinal direction. Nevertheless, advantageously and according to the invention, each pumping motor has an inclined rotary motor shaft making, with the longitudinal direction, a non-zero angle and different from 90 °. This allows, like the inclination of the axis of rotation of the pump propeller, to reduce the vertical size of the device and thus reduce the hydraulic drag of the device.
  • an apparatus comprises a hatch access to the filtering device formed on an upper wall of the hollow body and adapted to allow the disassembly of the filter device and its passage through the access hatch.
  • an apparatus according to the invention comprises a hatch access to the filtering device formed on a front wall of the hollow body and adapted to allow the disassembly of the filter device and its passage through the access door.
  • the filtering device can be simply removed from the device, from above the device and / or from the front of the device, without the need to return the device.
  • the extraction of the filtering device is done with the device in horizontal position, ie with the device in its normal position of displacement. It is the inclination of the pumping device in an apparatus according to the invention which allows this advantageous extraction from above and / or from the front of the apparatus.
  • each pump motor has a rotary shaft coaxial with the axis of rotation of an axial pumping propeller.
  • An axial pumping propeller of a pumping device of an apparatus according to the invention is disposed in a hydraulic circuit of the apparatus so that the axis of the propeller is neither horizontal nor vertical.
  • a good compromise consists in choosing an inclination that allows both to maintain a satisfactory suction level of debris, that is to say in particular that limits the pressure losses, and to ensure a substantial reduction in the clutter vertical of the cleaning device so as to reduce the hydraulic drag of the device on the immersed surface.
  • each pumping propeller has an inclined axis of rotation making with said longitudinal direction an angle between 15 ° and 60 ° -not of the order of 30 ° -.
  • the inclination of the axis of rotation of the helix is such that the flow of liquid leaving the apparatus has a horizontal component greater than its vertical component.
  • the axis of rotation of each pumping helix interposed in a hydraulic circuit is parallel to the inclined mean direction passing through the liquid inlet and the liquid outlet connected by this hydraulic circuit.
  • the inventors have determined that such an inclination makes it possible to optimize the flow of liquid between the liquid inlet and the liquid outlet, which thus makes it possible to optimize the suction level of the debris.
  • At least one liquid outlet out of the hollow body is substantially coaxial, within 5 °, to the axis of rotation of an axial pumping propeller.
  • At least one liquid outlet is arranged exactly opposite the pumping helix so that the liquid flows out of the apparatus through this liquid outlet in a direction corresponding to that the flow of liquid generated by the axial pumping propeller.
  • an apparatus according to the invention can be provided with a much lower power driving device, and thus with reduced consumption and costs. This also results in a lower overall volume and a lower weight of the apparatus which, in addition to the economy achieved, is an important advantage for the user, particularly in terms of handling, transport and storage of the apparatus. .
  • the hollow body of a device according to the invention can be made of several parts assembled to each other by all types of assembly means, or by a single piece such as a molded part.
  • the hollow body is formed mainly of a concave casing delimiting a main enclosure, this casing having openings respectively formed in a lower part of the casing and in a rear part of the casing, these openings forming respectively said said liquid inlet (s) and said liquid outlet (s).
  • Such a housing is formed in one piece by molding.
  • this housing is made of a thermoplastic material adapted to remain in an aqueous medium for a long time.
  • a material is for example an ABS plastic which by its constitution has a thermal resistance to aging, an ability to endure strokes, rigidity for mounting elements in the housing and ease of molding.
  • Such a housing defines a main enclosure adapted to receive a filtration chamber and at least one pumping device of liquid.
  • Each pumping device comprising a propeller with an inclined axis of rotation and a motor shaft motor, preferably inclined in the same direction as the axis of the propeller, can be arranged at different points of the hydraulic circuit which it circulates. liquid.
  • each pump motor of each hydraulic circuit is arranged below the inclined direction passing through the liquid inlet and the liquid outlet offset longitudinally with respect to this liquid inlet interconnected by this hydraulic circuit.
  • each pumping device makes it possible to shift the center of gravity of the apparatus towards the bottom of the latter. Indeed, the pumping devices represent a significant part of the total weight of the device.
  • an apparatus also comprises a propeller fairing surrounding the axial pumping propeller over its entire height.
  • Such a propeller fairing extends at least over the entire height of the axial pumping propeller. For example, downstream and upstream of the axial pumping propeller, the propeller fairing can extend beyond the propeller and form a liquid outlet channel to the liquid outlet out of the hollow body of the propeller. the device.
  • An apparatus according to the invention can be driven in displacement on the submerged surface by all types of means.
  • an apparatus according to the invention can be driven in displacement by hydraulic means, electrical means, or mixed hydraulic and electrical means.
  • said drive members of said body on the immersed surface comprise at least one electric drive motor.
  • Such an electric motor may be an electric motor powered by one or more accumulators housed in the housing of the apparatus or an electric motor powered by a domestic electrical network, such as the urban electricity network, via an electric cable.
  • a domestic electrical network such as the urban electricity network
  • an electric motor is a very low voltage electric motor.
  • each pumping device is preferably a very low voltage electric motor.
  • Each electric pumping motor can also be powered, either by accumulators housed in the housing, or by means of a domestic electrical network, such as the urban electrical network, and an electrical cable connecting the apparatus to this unit. domestic electrical network.
  • the electric drive motor of the cleaning apparatus and each motor of each pumping device are powered by the same source of electrical energy.
  • each electric drive motor is a unidirectional drive motor.
  • an apparatus comprises at least one axle with directional or non-directional wheels which extends in a direction perpendicular to the longitudinal direction.
  • At least one of these wheels is driving.
  • Such wheels are advantageously rotated via at least one electric drive motor.
  • These wheels are mounted on an axle which extends in a direction perpendicular to the main direction of travel. A rotation of the wheels therefore causes the robot to move along the main direction of travel.
  • An apparatus according to the invention may further comprise a device which makes it possible to modify the direction of movement of the apparatus when it encounters a vertical wall.
  • This change of direction device can be of all types known.
  • an apparatus comprises a single hydraulic circuit, this circuit comprising one or more liquid inlets located at the base and in front of said hollow body and one or more liquid outlets located at a distance from the base of the body. at a rear portion of said body.
  • Such an apparatus having at least one liquid inlet located towards the front of the apparatus in the lower part and at least one liquid outlet located towards the rear of the apparatus and away from the base of the apparatus allows to suck debris littered on the submerged surface in the normal direction of movement of the apparatus.
  • a liquid ejection by a rear high exit in an inclined direction away from the base of the body contributes to keep the cleaner pressed against the immersed surface while participating in the drive of the apparatus on the submerged surface.
  • the apparatus according to the invention comprises a single liquid inlet, and a single liquid outlet connected by a single hydraulic circuit.
  • this unique hydraulic circuit comprises a single pumping device comprising a single pumping electric motor having a rotating motor shaft coupled to a single pumping propeller inclined rotation axis.
  • the invention further relates to a cleaning apparatus characterized in combination by all or some of the features mentioned above or hereinafter.
  • each part of the cleaning apparatus is described as it is arranged when the apparatus is in normal displacement on a horizontal immersed surface in a preferred sense of forward relative to which the front and back of the apparatus are defined.
  • An apparatus comprises a hollow body 1 and rolling bodies 2, 3, 4 for guiding and driving the hollow body 1 on a surface immersed in at least one privileged direction of advancement and in a main direction of advancement, said longitudinal direction, parallel to the immersed surface.
  • This hollow body 1 is formed mainly of a concave casing delimiting a main enclosure.
  • This concave casing is for example made by molding or rotational molding.
  • This housing is preferably made of a thermoplastic material, such as polyethylene, polypropylene, ABS, PMMA or any equivalent material.
  • This hollow body 1 has a central chamber 35 adapted to receive a filtration chamber.
  • This central chamber is delimited by a lower wall extending in a substantially horizontal plane; by side walls 36 extending generally in vertical planes; by a front wall 37 extending generally in a vertical plane, orthogonal to the planes of the vertical side walls 36; and a rear wall 38 extending generally in a vertical plane orthogonal to the planes of the vertical side walls 36.
  • the lower wall has an opening extending transversely adjacent the wall 37 before such that liquid can enter the central chamber through this lower transverse opening. This opening forms an inlet 9 of liquid in the hollow body 1.
  • the rear wall 38 includes a cylindrical opening forming a liquid outlet 10 out of the hollow body 1.
  • This liquid outlet 10 formed in the rear wall 38 of the casing is longitudinally offset from the liquid inlet 9 formed in the bottom wall.
  • this liquid outlet 10 is arranged in the upper part of the casing so that it is also vertically offset from the inlet 9 of liquid.
  • This central chamber, this liquid inlet 9 and this liquid outlet 10 form a filtration chamber 8.
  • This filtration chamber 8 further comprises a hydraulic circuit adapted to ensure a flow of liquid between the inlet 9 of liquid and the outlet 10 of liquid through a filtering device 11.
  • the inlet 9 of liquid and the outlet 10 of liquid are centered on a same longitudinal vertical plane of the apparatus.
  • the central chamber 1 of the hollow body 1 is adapted to receive a filtering device 11.
  • the filtering device 11 is arranged between the inlet 9 of liquid and the outlet 10 of liquid.
  • This filtering device 11 can be of any known type.
  • the filtering device 11 comprises a rigid armature and a filtering web -particularly a filtering cloth- carried by this rigid armature.
  • a filtering device 11 is therefore self-supporting and can be easily manipulated by a user.
  • the apparatus also comprises a hatch 6 for access to this filtering device.
  • This access hatch 6 forms an upper wall of the hollow body 1 and covers the latter.
  • this hatch 6 is formed on the top of the device so that a user of the device can easily open the hatch 6 and extract the filter device 11. None prevents the access hatch 6 from extending least partially forward.
  • the access hatch 6 is articulated to the body 1 of the apparatus by hinges 23 arranged at the rear of the apparatus.
  • the filtering device 11 is a device mounted in the central chamber 1 of the hollow body 1 in the manner of a drawer.
  • the rigid armature of the filtering device 11 has two ribs extending laterally on each side of the filtering device 11. These ribs have shapes and dimensions shaped and conjugated to the shapes and sizes of grooves integral with the hollow body 1. These grooves integral with the hollow body 1 extend vertically along the inner faces of the vertical side walls of the hollow body 1. The ribs of the filtering device 11 are therefore adapted to cooperate with the grooves of the hollow body 1 of the apparatus
  • the extraction of the filtering device 11 results from a displacement in translation of the filtering device 11 along the grooves of the hollow body 1.
  • a user can easily remove the filtering device 11 from the hollow body 1 for example to clean it.
  • a user can easily reintroduce the filtering device 11 into the hollow body 1 by orienting the filtering device 11 so that the ribs of the filtering device 11 are facing the grooves of the hollow body and then sliding the filtering device 11 into the hollow body 1.
  • the filtering device 11 further comprises a handle 28 formed on an upper portion of the filtering device 11 so as to facilitate the handling of the filtering device 11.
  • a user can easily assemble / disassemble the filtering device 11 via this handle 28 when the device is out of the liquid and rests on a horizontal surface.
  • the rolling members for guiding and driving the apparatus comprise a front axle comprising front-wheel drive wheels, one on each side, and a rear axle comprising 3 non-drive rear wheels, one on each side.
  • the apparatus comprises brushes 4 arranged at the front of the apparatus. These brushes 4 are intended to ensure a brushing of the immersed surface and to move the brushed debris towards the rear of the apparatus towards the inlet 9 of liquid arranged under the apparatus.
  • the apparatus further comprises at least one electric motor for driving the front 2-wheel drive wheels.
  • the apparatus comprises two drive motors, one on each side, respectively for independent driving of each of the front wheels 2.
  • each front wheel 2 has an internal toothing 5 cooperating with a pinion 45 driven by the corresponding drive motor.
  • the apparatus comprises two coaxial front brushes 4.
  • Each brush 4 is adapted to be rotated about an axis extending in a direction, said transverse direction, perpendicular to the longitudinal direction.
  • Each brush 4 comprises a plurality of fins 41 extending radially from a brush shaft forming the axis of rotation of the brush 4.
  • the fins 41 are for example made of rubber made of a resistant plastic material.
  • the brushes 4 are preferably also rotated from at least one electric drive motor 2 of the front wheels 2 via a gear system.
  • the internal toothing of each wheel 2 before driving cooperates with a pinion 42 fixed to one end of the shaft of a brush 4 so that a rotation of the wheel 2 leads through of the toothing 5 and the pinion 42, the rotation of the shaft of the brush 4, and thus the rotation of the brush 4.
  • the rolling members consist of the front wheels 2 driving, rear wheels 3 non-driving and brushes 4 which participate in driving and guiding the apparatus on the immersed surface.
  • the rolling members 2, 3, 4 have areas intended to come into contact with the immersed surface which are coplanar and define a theoretical rolling plane 50. The direction Longitudinal progress of the apparatus is parallel to this theoretical plane of rolling.
  • the front wheels 2 preferably have a diameter of between 100 mm and 500 mm, in particular between 150 mm and 250 mm. According to the embodiment of the figures, the front wheels 2 have a diameter of the order of 200mm. In this way, these front wheels 2 facilitate the crossing of obstacles and have improved motor skills.
  • their peripheral tread is formed or coated with a non-slip material.
  • the front wheels 2 and the brushes 4 constitute front driving members 2, 4 which extend projecting forwardly with respect to the other components of the apparatus, in particular the hollow body, so as to form the end part. before the aircraft and coming first into contact with an obstacle encountered during the forward movement.
  • the apparatus also comprises a maneuvering handle 7 allowing a user to wear the device to immerse in a liquid and out of the latter.
  • This handle 7 is preferably arranged opposite the liquid outlet 10 so that when the hollow body 1 is suspended by this handle, the apparatus switches spontaneously under the effect of gravity in a position in which the outlet 10 liquid is located under the inlet 9 of liquid, which allows a drain of the device.
  • the appliance is moved from the cleaning position to the emptying position, the debris sucked by the appliance is held in the filtering device and is not likely to come out of the appliance.
  • the circulation of liquid in the hollow body 1 of the apparatus is schematically represented on the figure 7 by arrows 66.
  • Liquid enters the hollow body 1 through the inlet 9 of liquid arranged under the apparatus. This liquid passes into a liquid inlet column 15 to reach the filtering device 11.
  • This filtering device 11 has porous walls adapted to let the liquid pass but to retain the solid debris 60. The filtered liquid then reaches the liquid outlet 10 and is ejected into the pool from where it comes from the back of the device.
  • the intake column 15 forms a non-return wall 16 preventing debris having reached the filtering device 11 to come out through the liquid inlet 9 when the pump 12 is stopped.
  • An apparatus further comprises a motorized liquid pumping device comprising an electric pumping motor 12 having a rotary motor shaft 13 coupled to a pumping propeller 14 interposed in the hydraulic circuit so as to generate a liquid flow therein. between the liquid inlet 9 and the liquid outlet 10 connected by this hydraulic circuit.
  • the pumping propeller 14 interposed in the hydraulic circuit between the liquid inlet 9 and the liquid outlet 10 has an inclined axis of rotation making, with said longitudinal direction, an angle ⁇ which is not zero and different from 90 °.
  • the pumping propeller 14 is adapted to generate a flow of liquid oriented along its axis 51 towards the liquid outlet 10 away from the base of the hollow body 1.
  • Only the pumping propeller 14 is arranged in the hydraulic circuit so as to ensure the flow of liquid.
  • This pumping propeller 14 is arranged at the rear of the apparatus, close to the liquid outlet 10. In other words, the pump propeller 14 and the liquid outlet 10 form the end portion of the hydraulic circuit.
  • each pump motor 12 has an inclined motor rotating shaft 13 making, with the longitudinal direction, the same non-zero angle ⁇ and different from 90 °.
  • the axis 51 of rotation of the pumping propeller 14 interposed in the hydraulic circuit is parallel to the inclined mean direction passing through the liquid inlet 9 and the liquid outlet 10 connected by this hydraulic circuit.
  • the longitudinal offset between the liquid inlet 9 and the liquid outlet 10 is determined by the inclination of the pump.
  • the longitudinal offset between the liquid inlet 9 and the liquid outlet 10 is greater than 50% -in particular 75% -of the overall size of the apparatus along the longitudinal direction.
  • the device has a greater length available for the hydraulic circuit, all things being equal, which minimizes the deviations and tortuosities of the hydraulic path and therefore the pressure drops.
  • angle ⁇ determines the vertical compactness of the device.
  • An apparatus according to the invention thanks to its inclined pumping axis, has a reduced hydraulic drag compared to a known device with a vertical pumping axis.
  • the angle ⁇ is of the order of 30 ° relative to the horizontal longitudinal direction.
  • the transverse liquid inlet 9 formed in the bottom wall of the casing has a section substantially equal to the section of the liquid outlet 10 formed in the rear wall of the casing.
  • This inlet 9 of transverse liquid has a substantially rectangular shape whose length is of the order of seven times the width.
  • the liquid outlet 10 has a substantially circular shape whose radius is of the order of one and a half times the width of the liquid inlet 9.
  • the pump motor 12 is housed in a sealed housing 17.
  • This sealed casing 17 has an axial opening allowing the passage of the rotating motor shaft 13. This opening is preferably sealed by an O-ring 18 arranged between the motor shaft 13 and the opening of the casing 17.
  • the pump motor 12 is preferably powered by means of a sealed electrical cable connecting the device to a domestic electrical network.
  • the figure 1 presents the input zone 19 of the electrical cable in the device.
  • This power supply cable of the pump motor 12 is not shown in the figures for the sake of clarity.
  • the pump motor can be of any known type.
  • the pump motor 12 is a low voltage motor.
  • the displacement of the device according to the invention on the immersed surface to be cleaned is achieved by means of the front wheels 2.
  • These front wheel 2 are for example driven in rotation by means of an electric motor.
  • This electric motor is powered by the same power supply cable as the pump motor.
  • each electric motor 20 is also arranged in the sealed casing 17 in which the pump motor 12 is arranged.
  • Each electric motor is preferably a low voltage electric motor.
  • an apparatus according to the invention which has an overall height of 250 mm and which is equipped with a pump motor with a power output of 80 W can produce a liquid flow rate of the order of 18 m 3 / h. .
  • the total power consumed for the operation of this device driven at an average speed of the order of 10 m / min, is of the order of 85W.
  • a device according to WO 0 250 388 equipped with the same pumping motor and the same height produces a flow rate of about 15 m 3 / h.
  • the total power consumed for the operation of this prior device driven at the same average speed is of the order of 105 W. It is therefore found that an apparatus according to the invention has an improvement of the order of 20% of its performance compared to an earlier device comparable to WO 0 250 388 .
  • the apparatus may comprise several liquid inlets, several liquid outlets and several hydraulic circuits, for example one on the left and one on the right.
  • the invention applies to a bidirectional apparatus capable of retrograde movement.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cleaning In General (AREA)

Claims (15)

  1. Gerät zur Reinigung einer untergetauchten Fläche, das folgende Teile umfasst:
    - Einen Hohlkörper (1) und Organe (2, 3, 4) für Führung und Antrieb des besagten Körpers (1) auf der untergetauchten Fläche in zumindest einer Richtung und in einer hauptsächlichen Vorwärtsrichtung, der sogenannten Längsrichtung,
    - Eine Filterkammer (8), die im besagten Körper (1) gestaltet ist und folgende Teile aufweist:
    . Zumindest einen Eintritt (9) für Flüssigkeit in den Hohlkörper (1), der sich an der Basis des besagten Körpers (1) befindet,
    . zumindest einen Austritt (10) für Flüssigkeit aus dem Hohlkörper (1), der sich entfernt von der Basis des besagten Hohlkörpers (1) befindet,
    . zumindest einen Hydraulikkreis, der geeignet ist, einen Umlauf von Flüssigkeit zwischen zumindest einem Eintritt (9) für Flüssigkeit und zumindest einem Austritt (10) für Flüssigkeit durch zumindest eine Filtervorrichtung (11) sicher zu stellen,
    - zumindest eine Pumpvorrichtung (12, 13, 14) für Flüssigkeit, die einen Pumpmotor (12) umfasst, der eine Antriebsdrehwelle (13) aufweist, die an zumindest ein Axialpumplaufrad (14) gekuppelt ist, das so in einen Hydraulikkreis eingesetzt ist, dass es darin einen Flüssigkeitsdurchsatz zwischen jedem Eintritt (9) von Flüssigkeit und jedem Austritt (10) von Flüssigkeit erzeugt, die durch diesen Hydraulikkreis verbunden sind,
    - Jeder Austritt (10) von Flüssigkeit ist in besagter Längsrichtung von jedem Eintritt (9) von Flüssigkeit versetzt, mit dem er durch einen Hydraulikkreis in Verbindung steht, dadurch gekennzeichnet, dass:
    - jedes in einem Hydraulikkreis zwischen einem Eintritt (9) von Flüssigkeit und einem Austritt (10) von Flüssigkeit eingesetzte Axialpumplaufrad (14) eine abgewinkelte Drehachse (51) aufweist, die mit der besagten Längsrichtung einen Winkel außerhalb von Null und unterschiedlich von 90 Grad bildet und geeignet ist, einen Flüssigkeitsdurchsatz zu erzeugen, der nach seiner Achse zu diesem Austritt (10) von Flüssigkeit gerichtet ist und sich dabei von der Basis des besagten Körpers (1) entfernt.
  2. Gerät nach Anspruch 1, dadurch gekennzeichnet, dass es für den Zugriff zur Filtervorrichtung eine Deckelklappe (6) umfasst, die auf einer oberen Wand des Hohlkörpers (1) gestaltet und geeignet ist, den Ausbau der Pumpvorrichtung und ihren Durchgang durch diese Deckelklappe (6) zu ermöglichen.
  3. Gerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass es für den Zugriff zur Filtervorrichtung eine Deckelklappe (6) umfasst, die auf einer oberen Wand des Hohlkörpers (1) gestaltet und geeignet ist, den Ausbau der Pumpvorrichtung und ihren Durchgang durch diese Deckelklappe (6) zu ermöglichen.
  4. Gerät nach einem beliebigen der vorstehenden Ansprüche 1 bis 3, dadurch gekennzeichnet, dass jeder Pumpmotor (12) eine abgewinkelte Antriebsdrehwelle (13) aufweist, die mit der Längsrichtung einen Winkel außerhalb von Null und unterschiedlich von 90 Grad bildet.
  5. Gerät nach Anspruch 4, dadurch gekennzeichnet, dass jeder Pumpmotor (12) eine Drehwelle (13) koaxial zur Drehachse (51) eines Axialpumplaufrads (14) aufweist.
  6. Gerät nach einem beliebigen der vorstehenden Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Drehachse (51) jedes in einen Hydraulikkreis eingesetzten Axialpumplaufrads (14) parallel zur mittleren abgewinkelten Richtung ist, die durch den Eintritt (9) von Flüssigkeit und den Austritt (10) von Flüssigkeit geht, die durch diesen Hydraulikkreis verbunden sind.
  7. Gerät nach einem beliebigen der vorstehenden Ansprüche 1 bis 6, dadurch gekennzeichnet, dass zumindest ein Austritt (10) von Flüssigkeit aus dem Hohlkörper (1) deutlich, und zwar bis auf unter 5 Grad genau, koaxial zur Drehachse (51) eines Axialpumplaufrads (14) ist.
  8. Gerät nach einem beliebigen der vorstehenden Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Hohlkörper (1) hauptsächlich aus einem konkaven Gehäuse gebildet wird, der einen Hauptraum (35) abgrenzt, wobei dieses Gehäuse Öffnungen aufweist, die im unteren beziehungsweise rückwärtigen Teil des Gehäuses gestaltet sind, wobei diese Öffnungen den besagten Eingang / (die besagten Eingänge) (9) von Flüssigkeit und den besagten Ausgang / (die besagten Ausgänge) (10) von Flüssigkeit bilden.
  9. Gerät nach einem beliebigen der vorstehenden Ansprüche 1 bis 8, dadurch gekennzeichnet, dass jeder Pumpmotor (12) jedes Hydraulikkreises unterhalb der abgewinkelten Richtung gestaltet ist, die durch den Eintritt (9) von Flüssigkeit und den längs versetzten Austritt (10) von Flüssigkeit geht, die durch diesen Hydraulikkreis verbunden sind.
  10. Gerät nach einem beliebigen der vorstehenden Ansprüche 1 bis 9, dadurch gekennzeichnet, dass es eine Radverkleidung (48) umfasst, die das Axialpumprad (14) über seine gesamte Höhe umgibt.
  11. Gerät nach einem beliebigen der vorstehenden Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die besagten Organe (2, 3, 4) für den Antrieb des besagten Körpers (1) auf der untergetauchten Fläche zumindest einen elektrischen Antriebsmotor (20) umfassen.
  12. Gerät nach einem beliebigen der vorstehenden Ansprüche 1 bis 11, dadurch gekennzeichnet, dass es zumindest eine Achse mit Richtungsrädern (2) oder Rädern ohne Richtung umfasst, und die sich in einer Richtung senkrecht zur Längsrichtung erstreckt.
  13. Gerät nach einem beliebigen der vorstehenden Ansprüche 1 bis 12, dadurch gekennzeichnet, dass es einen einzigen Hydraulikkreis umfasst, wobei dieser Kreis einen oder mehrere Eintritte (9) von Flüssigkeit umfasst, die sich an der Basis und vorne am besagten Hohlkörper (1) befinden, und einen oder mehrere Austritte (10) von Flüssigkeit, die sich entfernt von der Basis des Hohlkörpers (1) in einem rückwärtigen Abschnitt des besagten Hohlkörpers (1) befinden.
  14. Gerät nach Anspruch 13, dadurch gekennzeichnet, dass es eine einzige Pumpvorrichtung (12, 13, 14) umfasst, die einen einzigen Pumpmotor (12) umfasst, der eine Antriebsdrehwelle (13) aufweist, die an ein einziges Pumplaufrad (14) mit abgewinkelter Drehachse (51) angekuppelt ist.
  15. Gerät nach einem beliebigen der vorstehenden Ansprüche 1 bis 14, dadurch gekennzeichnet, dass jedes Pumplaufrad (14) eine abgewinkelte Drehachse (51) aufweist, die mit der besagten Längsrichtung einen Winkel zwischen 15 Grad und 60 Grad bildet.
EP08864710A 2007-12-21 2008-12-18 Vorrichtung zur reinigung einer untergetauchten fläche mit abgewinkeltem pumplaufrad Active EP2240654B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0708998A FR2925553B1 (fr) 2007-12-21 2007-12-21 Appareil nettoyeur de surface immergee a helice de pompage inclinee
PCT/FR2008/052370 WO2009081060A2 (fr) 2007-12-21 2008-12-18 Appareil nettoyeur de surface immergée à hélice de pompage inclinée

Publications (2)

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EP2240654A2 EP2240654A2 (de) 2010-10-20
EP2240654B1 true EP2240654B1 (de) 2011-08-31

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US (1) US8393032B2 (de)
EP (1) EP2240654B1 (de)
AT (1) ATE522682T1 (de)
AU (1) AU2008339719B2 (de)
CA (1) CA2709896A1 (de)
ES (1) ES2372791T3 (de)
FR (1) FR2925553B1 (de)
PT (1) PT2240654E (de)
WO (1) WO2009081060A2 (de)
ZA (1) ZA201005172B (de)

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Also Published As

Publication number Publication date
CA2709896A1 (fr) 2009-07-02
FR2925553B1 (fr) 2010-03-12
AU2008339719A1 (en) 2009-07-02
WO2009081060A2 (fr) 2009-07-02
ATE522682T1 (de) 2011-09-15
AU2008339719B2 (en) 2015-01-22
ZA201005172B (en) 2011-12-28
US20110000033A1 (en) 2011-01-06
ES2372791T3 (es) 2012-01-26
EP2240654A2 (de) 2010-10-20
FR2925553A1 (fr) 2009-06-26
WO2009081060A3 (fr) 2009-09-11
US8393032B2 (en) 2013-03-12
PT2240654E (pt) 2011-12-22

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