EP4155188B1 - Floating system comprising a floating inflatable board and a movement system - Google Patents

Floating system comprising a floating inflatable board and a movement system Download PDF

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Publication number
EP4155188B1
EP4155188B1 EP22197734.1A EP22197734A EP4155188B1 EP 4155188 B1 EP4155188 B1 EP 4155188B1 EP 22197734 A EP22197734 A EP 22197734A EP 4155188 B1 EP4155188 B1 EP 4155188B1
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EP
European Patent Office
Prior art keywords
board
hatch
floating
opening
center
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EP22197734.1A
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German (de)
French (fr)
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EP4155188A1 (en
Inventor
Neal ELBAZ
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Poolstar SAS
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Poolstar SAS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B32/00—Water sports boards; Accessories therefor
    • B63B32/10—Motor-propelled water sports boards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor

Definitions

  • the present invention relates to floating systems comprising a board and a movement system.
  • the dimensions and constituent materials of the board are chosen to allow a single person, or even two people, to stand on one of the main surfaces of the board.
  • the user has a paddle that they use to propel themselves.
  • the paddle generally comprises a handle capable of being held at one end, and a flat, wide surface at the other end, which is intended to be dipped into the water by the user, particularly on the lateral side of the board and moved in the water in order to propel the boat.
  • This sporting activity is beneficial, but there is a need to democratize this activity.
  • the upper holding portion can be placed in an open configuration or in a closed configuration.
  • the open configuration of the hatch comprises the holding portion open in the open configuration and said at least one plate not blocking the through opening.
  • the movement system comprises a polygonal portion
  • the upper holding portion comprises an anti-rotation relief complementary to the polygonal portion
  • the turbine or even the motorization system, has a footprint smaller than the transverse dimension of the through opening.
  • the center of the hatch is arranged, along the longitudinal axis of the board, between the center of the board and the front end of the board, and the distance between the center of the hatch and the center of the board is between zero and half the distance between the center of the board and the front end, or even between zero and a quarter of the distance between the center of the board and the front end.
  • connection system of the movement system comprises a sleeve and a rod rotating relative to the sleeve, the rod being integral with the gripping system and the turbine.
  • a floating system comprising the characteristics of the board and the hatch.
  • the invention relates to a floating system 1, one embodiment of which is presented on the figure 1 .
  • the floating system 1 includes a board 2 and a movement system 3.
  • the system is intended to be used floating on a body of water having a horizontal surface, it will be described in this orientation.
  • Z the vertical axis and X and Y the two axes of the horizontal plane such that X, Y, Z form an orthonormal frame of reference.
  • Board 2 is elongated along a longitudinal axis.
  • the longitudinal axis of board 2 as X.
  • the Y axis completes the orthonormal frame of reference longitudinal X.
  • the board 2 has a hydrodynamic shape favoring its movement in the water in the forward direction.
  • the front end 8 is made pointed, for example more pointed than the opposite rear end along the longitudinal axis X.
  • the board 2 can also be symmetrical with respect to the X-Z plane, so as to promote the balance of the occupant of the board, who should also use it while remaining symmetrical with respect to the X-Z plane of the board.
  • Board 2 has a low thickness, in the Z direction, compared to the dimensions of width and length in the horizontal plane. Furthermore, the variations in thickness are themselves small compared to the thickness itself.
  • the board is elongated, the characteristic dimension along the X axis is thus greater than the characteristic dimension along the Y axis.
  • the board 2 has an upper surface which is not typically hollowed out in the form of a cavity so as to extend below the surface of the water to accommodate a seated occupant, as is the case with a canoe, a kayak or a boat for example.
  • the upper surface of the board 2 can be flat, curved, or even hollow but remaining above the surface of the water.
  • the board 2 includes two side floats 4.
  • the presence, number and arrangement of such floats are optional within the framework of the invention.
  • Board 2 is floating. Board 2 is floating even loaded with a mass of up to 100 kilograms, or even up to 150 kilograms.
  • board 2 is an inflatable board. It has an airtight envelope 5.
  • An inflation and deflation system is provided.
  • the envelope 5 comprises an aeraulic connector (not shown) provided with a non-return valve
  • the inflation system comprises an inflator which can be connected to the aunterlic connector, and which can be actuated, for example a electric inflator, to inject ambient air inside the envelope 5.
  • the electric inflator can be integrated into the board 2.
  • the non-return valve can be neutralized so as to release the air contained in the envelope to deflate the board.
  • Board 2 can be described more precisely below in relation to the figure 2 .
  • Board 2 comprises a peripheral body 6 and a through opening 7. Opening 7 is not visible on the figure 2 , where the hatch is shown in a closed configuration, but it is visible on the Figure 3 .
  • the opening 7 is called through opening along the Z axis, in that it extends from the upper surface to the lower surface of the board 2.
  • the through opening 7 shown has a particular shape and position. However, numerous embodiment variants are possible.
  • the through opening 7 has symmetry with respect to the longitudinal axis of the board X. This symmetry makes it possible to promote balance for the occupant.
  • the through opening 7 is arranged at the front of the board 2, that is to say between the front end 8 and the center of the board along the longitudinal axis.
  • the distance between the center of the board and the center of the through opening 7 along the longitudinal axis is between zero and half the distance between the center of the board and the front end, in particular between zero and a quarter of the distance between the center of the board and the front end.
  • the through opening 7 is located entirely at the front of the center of the board.
  • the through opening 7 comprises a polygonal section, in particular a square section.
  • This shape is easy to achieve, both for board 2 and for hatch 9.
  • the square section includes two sides parallel to the longitudinal axis.
  • other achievements are possible.
  • the floating system 1 also includes a hatch 9.
  • the hatch 9 is arranged in the through opening 7.
  • the figure 2 represents a configuration closed of the hatch 9. In this configuration, the upper surface of the hatch 9 is continuous with the upper surface of the board 2, so as to form a continuous upper surface capable of receiving the user's feet.
  • FIG. 3 represents in exploded perspective the board 2 in the open configuration of the hatch 9.
  • the hatch 9 includes a peripheral tower 10.
  • the peripheral tower 10 is fixed to the peripheral body 6 of the board 2.
  • the peripheral tower 10 is also through.
  • the peripheral tower 10 is installed so as to extend into the through opening 7 of the board 2, so that the through opening of the peripheral tower 10 is substantially coincident with the through opening of the board 2.
  • the peripheral tower 10 comprises a peripheral body 11 extending substantially in contact with the edge of the board 2 at the level of the through opening 7, and a horizontal flange 12 which extends orthogonally relative to the peripheral body 11 and covers the upper surface of the board 2.
  • the hatch 9 includes a system for maintaining the movement system 3, an embodiment of which will be given below.
  • This holding system is arranged to allow, when active, the rotation of the movement system 3 with respect to the board 2 with respect to a vertical axis Z, as the only degree of freedom of the movement system 3 with respect to the plate 2.
  • the support system includes a lower bearing.
  • the lower bearing is located at the level of the lower surface of board 2, or at least below the upper surface of board 2.
  • the lower bearing comprises a circular opening 15 orthogonal to the vertical axis Z.
  • the opening 15 is arranged in the median vertical plane X-Z of the board 2.
  • the circular opening 15 is produced by means of two plates 16, 17 facing each other, and each comprising a partially circular recess 18, so that the recesses 18 together form the circular opening 15.
  • the holding system comprises the two plates 16, 17 which can take two alternative configurations: an open configuration, as shown in the Figure 3 , and a shutter configuration in which they close the through opening 7, leaving only the circular opening 15 to pass through.
  • This closing configuration improves gliding performance on the water.
  • the two plates 16, 17 are removably fixed to the board 2, in this case to the peripheral tower 10.
  • the hatch 9, in particular the peripheral tower 10 comprises projections 19 which project into the through opening 7, and serve as support for the plates 16, 17.
  • the plates 16, 17, are placed on the projections 19, and are held in position so as to close the through opening 7.
  • the through opening 7 can also have a frustoconical shape narrowing from top to bottom, to prevent the plates 16, 17 from passing through it.
  • Magnetic fixing of the plates 16, 17 can be used to implement the removable fixing.
  • magnets 20 are fixed integrally with the board 2, for example in the projections 19, and exert an attraction on the plates 16, 17, made of suitable constituent material.
  • the holding system also includes an upper holding portion 21.
  • the upper holding portion 21 comprises a through opening 22 along the vertical axis Z.
  • the through opening 22 and the through opening 15 are in particular aligned along the vertical axis Z.
  • the through opening 22 has a larger diameter than the through opening 15.
  • the upper holding portion 21 comprises a support surface 23 oriented upwards.
  • the upper holding portion 21 comprises an anti-rotation relief 24 adapted to prevent rotation around the vertical axis Z of a complementary element, as will be described later.
  • the anti-rotation relief 24 comprises for example a polygonal shape, in this case square, centered on the through opening 22.
  • the upper holding portion 21 can be alternatively placed in open configuration, as shown in the Figure 3 , which gives access to the through opening 7, and the closed configuration shown on the Figure 4 .
  • the upper holding portion 21 comprises two plates 25, 26 facing each other, and each comprising a partially circular recess 27, so that the recesses 27 together form the through opening 22.
  • two plates 25, 26 are provided which are symmetrical to each other, for example with respect to the vertical plane XZ (In the proposed configuration, two plates which are symmetrical to each other with respect to the vertical plane YZ could alternately be used, moreover, this orientation is independent of the orientation of the plates 16, 17 at the level of the lower bearing).
  • each plate 25, 26 comprises a polygonal recess 28, so that the two polygonal recesses 28 together form the anti-rotation relief 24.
  • the upper holding portion 21 is integral with the peripheral tower 10, and mounted movable relative to the latter between the two configurations presented above.
  • the plates 25 and 26 are integral with the peripheral tower 10, and mounted movable relative to the latter between the two configurations presented above.
  • Hinges 29 can be provided to ensure this assembly.
  • the plates 25, 26 rest on a projecting portion 30 of the peripheral tower 10.
  • a system for maintaining the upper holding portion 21 in a closed configuration is provided.
  • a magnetic holding system can be provided.
  • magnets 31 are arranged in the peripheral tower 10, and retain a portion facing the plates 25, 26.
  • a system 32 for holding the movement system on the upper holding portion 21 is also provided.
  • a magnetic holding system is planned.
  • portions 33 of the plates 25, 26, for example arranged in the recesses 28, can be ferromagnetic, and capable of interacting with magnets of the movement system 3, as described below.
  • FIG. 5 schematically represents the movement system 3.
  • the movement system 3 is a system independent of the board and the hatch, and can either be available independently, or assembled to the board 2 and the hatch 9 in a removable manner to form a system floating as described below.
  • the movement system 3 has several components arranged along a vertical mat 34.
  • the vertical mat 34 extends from a first high end 35 to a second opposite low end 36.
  • the vertical mast 34 comprises an assembly system 37 for assembling the vertical mast 34 to the board 2 and to the hatch 9.
  • the assembly system 37 is intermediate between the first 35 and second 36 ends.
  • the assembly system 37 comprises for example a sheath 38 with a vertical axis secured to a horizontal plate 39.
  • the mast 34 comprises a connection system provided with a rod 40 rotatably mounted relative to the sheath 38 around the vertical axis Z. This rotation is the only degree of freedom of the rod 40 relative to the sheath 38.
  • the plate 39 horizontal has a shape complementary to the anti-rotation relief 34. Thus, once the plate 39 assembled to the anti-rotation relief 34, it cannot rotate around the vertical axis Z relative to the board 2.
  • Plate 39 may also include magnets (not visible on the Figure 5 , arranged on the underside of the plate 39), for the removable maintenance of the movement system 3 on the hatch 9 by cooperation with the ferromagnetic portions 33 of the hatch 9.
  • the vertical mast 34 can be supplied integral, or in several parts which can be assembled together and disassembled from each other to gain compactness for storage.
  • the vertical mast 34 may include, at its upper end 35, a gripping system 41 such as a handlebar, as shown, or the like.
  • the gripping system 41 is arranged so that it can be held by the hands of a user standing on the board 2. If necessary, the vertical position of the gripping system 41 relative to the plate 39 is adjustable by known means (telescopic handle or other) to adapt to the comfort desired by the user, or to users of different sizes.
  • the handlebars extend for example along a horizontal axis transverse to the longitudinal axis of the board 2 in neutral configuration.
  • the movement system includes a turbine 42 at the lower end 36.
  • the turbine 42 has for example a horizontal axis. In the neutral position of the movement system 3 relative to the board 2, the horizontal axis 3 is parallel to the longitudinal axis of the board 2.
  • the turbine 42 is protected by a guardrail 46.
  • the turbine 42 is rotated by a motor.
  • a motor for example, an electric motor is planned.
  • the electric motor is housed in a casing 43 disposed at the lower end 36 of the mast 34.
  • the electric motor comprises an output axis aligned with the axis of rotation of the turbine 42.
  • the movement system 3 includes a motor power supply.
  • a motor power supply For example, we can provide an electric battery connected electrically by wire to the motor, in a watertight manner.
  • the battery is placed outside the mast 34.
  • the battery can for example be rechargeable and/or exchangeable, which is facilitated by its installation outside the mast.
  • At least a portion of the vertical mast 34 under the assembly system 37 has a circular section to cooperate with the opening 15.
  • the movement system 3 also includes a man-machine interface 45 allowing the user to control the operation of the motor.
  • the man-machine interface 45 is for example arranged at the level of the handlebars. It can be any type of system compatible with boating requirements.
  • the man-machine interface 45 is connected to control electronics which itself controls the operation of the motor.
  • the parameters controllable by the user are for example the rotation speed of the motor, or the configuration of the turbine between a configuration allowing forward movement and a configuration allowing a reverse.
  • the man-machine interface 45 includes one or more elements, such as buttons or levers, for the user to control the motorization system.
  • the movement system 3 may include a flexible link for connection to the user. If applicable, it is plate 2 which contains this link.
  • the movement system can be designed floating. Where applicable, a circuit breaker link carried by the user is provided which is removably assembled to the movement system, for example by a magnetic attachment, so that, when the circuit breaker link is disassembled from the movement system 3, the engine is automatically cut off.
  • cover 47 which closes the recess 28 in the absence of movement system 3.
  • the cover 47 can also be held removable on the upper holding portion 21 by magnetic means.
  • the horizontal size of the lower portion of the movement system 3 is less than the dimension of the through opening in the hatch 9.
  • the movement system 3 is slid up and down through the through opening. This step is preferably done in water at a sufficient depth, or by placing board 2 on trestles. Once the casing 43 and the propeller 42 have passed through the through opening, the lower bearing is formed around the vertical mast 34.
  • the two plates 16, 17 are assembled to the hatch 9 by pressing on the projections 19. The plates 16, 17 then form the circular opening 15 around the vertical mat 34 of complementary section, and are secured to the board 2 for example in a manner magnetic.
  • Figure 6 represents an intermediate state in which the plates 16, 17 have not yet been placed on the projections 19.
  • the upper holding portion 21 is then closed, it securing itself with the peripheral tower 10, in this case magnetically.
  • the movement system 3 is lowered until the plate 39 joins with the upper holding portion 21.
  • the plate 39 comes to rest on the support surface 23.
  • the vertical mat 34 passes through the opening 22.
  • the plate 39 is assembled to the upper holding portion 21 by magnetism.
  • the floating system 1 is then assembled and can be used.
  • the user climbs onto the floating system visible on the figure 1 .
  • the movement system is positioned so that the user can stand in a central region of the board 2, which is optimal in terms of stability.
  • the turbine is located just under his feet and oriented towards the rear. This configuration is also optimal from a stability point of view.
  • the user uses the human-machine interface to control the rotation speed of the motor and the direction of forward and reverse movement.
  • the user can turn the handlebars, so as to rotate the rod 40 around the vertical axis in the lower bearing and in the sleeve 38 which is blocked in rotation by the anti-rotation relief 24.
  • the user modifies the axis of the turbine relative to the board 2, which causes the floating system 1 to rotate.
  • the movement system can be detached by a sequence of actions opposite to those presented above for connection.
  • the power supply can, if necessary, be exchanged and/or recharged. If the board must be transported in a confined space (car trunk, etc.), it is deflated.
  • the peripheral tower 10 can for example comprise an upper portion, assembled to the board 2 from the upper surface of the board, a lower portion assembled to the board 2 from the upper surface of the board, the lower and upper portions being assembled the one to the other by any appropriate means, such as screwing or other.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Description

DOMAINE DE L'INVENTIONFIELD OF THE INVENTION

La présente invention se rapporte aux systèmes flottants comprenant une planche et un système de déplacement.The present invention relates to floating systems comprising a board and a movement system.

ARRIÈRE-PLAN TECHNOLOGIQUETECHNOLOGY BACKGROUND

Il existe de nombreux types de systèmes flottants. L'invention se place dans le domaine des systèmes flottants basés sur une planche. Une planche est un produit comprenant une épaisseur faible par rapport aux dimensions de largeur et de longueur. De plus, les variations d'épaisseur sont elles-mêmes faibles par rapport à l'épaisseur elle-même. Une planche flottante est typiquement utilisée avec ses largeur et longueur dans le plan horizontal, et l'épaisseur dans le plan vertical.There are many types of floating systems. The invention is placed in the field of floating systems based on a board. A board is a product comprising a small thickness compared to the dimensions of width and length. Furthermore, the variations in thickness are themselves small compared to the thickness itself. A floating board is typically used with its width and length in the horizontal plane, and thickness in the vertical plane.

Récemment, de telles planches ont été démocratisées pour des activités de pagayage (l'anglicisme « paddle » est communément utilisé) debout. Les dimensions et matériaux constitutifs de la planche sont choisis pour permettre à une personne seule, voire deux personnes, de se tenir debout sur une des surfaces principales de la planche. De plus, l'utilisateur dispose d'une pagaie qu'il utilise pour se propulser. La pagaie comprend généralement un manche pouvant être tenu à une extrémité, et une surface plate et large à l'autre extrémité, qui est prévue pour être plongée dans l'eau par l'utilisateur, notamment sur le côté latéral de la planche et déplacée dans l'eau dans le but de propulser l'embarcation.Recently, such boards have been popularized for standing paddling activities. The dimensions and constituent materials of the board are chosen to allow a single person, or even two people, to stand on one of the main surfaces of the board. Additionally, the user has a paddle that they use to propel themselves. The paddle generally comprises a handle capable of being held at one end, and a flat, wide surface at the other end, which is intended to be dipped into the water by the user, particularly on the lateral side of the board and moved in the water in order to propel the boat.

Cette activité sportive est bénéfique, mais il existe un besoin de démocratiser cette activité.This sporting activity is beneficial, but there is a need to democratize this activity.

Dans ce domaine, US 10,017,233 propose de motoriser une pagaie, et de la maintenir verticale avec une extrémité de préhension, et une extrémité de motorisation. La pagaie motorisée présente une hélice d'axe horizontal. Une barre de fixation est fixée à la planche selon un axe horizontal transverse à l'axe longitudinal de la planche, et présente deux extrémités pouvant chacune être fixée à la pagaie. La pagaie voit ainsi son extrémité de motorisation plongée dans l'eau d'un côté ou de l'autre de la planche. Il en résulte un défaut de stabilité du système flottant, car l'usager aura tendance à ne pas être parfaitement symétrique par rapport à l'axe longitudinal de la planche, mais à se déporter du côté de la pagaie.In this domain, US 10,017,233 proposes to motorize a paddle, and to keep it vertical with a gripping end, and a motorization end. The motorized paddle features a horizontal axis propeller. A fixing bar is fixed to the board along a horizontal axis transverse to the longitudinal axis of the board, and has two ends which can each be fixed to the paddle. The paddle thus sees its motorized end immersed in the water on one side or the other of the board. This results in a lack of stability of the floating system, because the user will tend not to be perfectly symmetrical in relation to the longitudinal axis of the board, but to move away from the side of the paddle.

Récemment, FR 3 103 780 a proposé une réalisation qui résout ce problème en présentant un manche qui est prévu au niveau de l'axe longitudinal de la planche. Il est donc prévu que la commande de propulsion passe à travers la planche. Toutefois, ce système est complexe, car la motorisation est décalée vers l'arrière par rapport au manche. Par conséquent, un mécanisme complexe est prévu pour transférer le mouvement du guidon vers la motorisation.Recently, FR 3 103 780 a proposed an embodiment which solves this problem by presenting a handle which is provided at the level of the longitudinal axis of the board. It is therefore expected that the propulsion control passes through the board. However, this system is complex, because the engine is offset backwards in relation to the sleeve. Therefore, a complex mechanism is provided to transfer the movement of the handlebars to the motorization.

Auparavant, US 2019/308,709 prévoyait un système flottant comprenant un manche traversant axialement la planche. Toutefois, aucune réalisation concrète n'est présentée.Previously, US 2019/308,709 planned a floating system comprising a handle passing axially through the board. However, no concrete achievements are presented.

L'invention vise ainsi à proposer un système flottant du genre présenté ci-dessus simple à fabriquer et simple à utiliser.The invention thus aims to provide a floating system of the type presented above that is simple to manufacture and simple to use.

RÉSUMÉ DE L'INVENTIONSUMMARY OF THE INVENTION

Ainsi, l'invention se rapporte à un système flottant comprenant :

  • Une planche gonflable flottante comprenant un corps périphérique allongé selon une direction longitudinale et entourant une ouverture traversante centrée sur la direction longitudinale,
  • Une trappe disposée dans l'ouverture traversante, et comprenant un tour périphérique assemblé au corps périphérique, et au moins un palier, la trappe étant adaptée pour prendre alternativement une configuration ouverte et une configuration fermée dans laquelle le palier est formé,
  • Un système de déplacement comprenant :
    • . un système de liaison s'étendant à travers la trappe en configuration fermée entre une première extrémité et une deuxième extrémité, le système de liaison étant monté rotatif par rapport à la planche autour d'un axe vertical par l'intermédiaire du palier,
    • . Un système de préhension prévu à la première extrémité du système de liaison,
    • . un système de motorisation comprenant un moteur électrique adapté pour entrainer une turbine autour d'un axe de rotation, ladite turbine étant disposée à la deuxième extrémité du système de liaison, et
    • . Au moins une alimentation électrique solidaire du système de liaison et connectée électriquement au système de motorisation,
    • . Au moins un organe d'interface homme-machine adapté pour autoriser un utilisateur à commander le système de motorisation,
et dans lequel le système de déplacement est déplaçable à travers la trappe en configuration ouverte de la trappe.Thus, the invention relates to a floating system comprising:
  • An inflatable floating board comprising a peripheral body elongated in a longitudinal direction and surrounding a through opening centered in the longitudinal direction,
  • A hatch arranged in the through opening, and comprising a peripheral tower assembled to the peripheral body, and at least one bearing, the hatch being adapted to alternately take an open configuration and a closed configuration in which the bearing is formed,
  • A movement system including:
    • . a connection system extending through the hatch in closed configuration between a first end and a second end, the connection system being rotatably mounted relative to the board around a vertical axis via the bearing,
    • . A gripping system provided at the first end of the connection system,
    • . a motor system comprising an electric motor adapted to drive a turbine around an axis of rotation, said turbine being arranged at the second end of the connection system, and
    • . At least one electrical power supply integral with the connection system and electrically connected to the motor system,
    • . At least one man-machine interface member adapted to authorize a user to control the motorization system,
and in which the movement system is movable through the hatch in the open configuration of the hatch.

Grâce à ces dispositions, on dispose d'un système flottant simple à mettre en oeuvre et à utiliser.Thanks to these arrangements, we have a floating system that is simple to implement and use.

Selon différents aspects, il est possible de prévoir l'une et/ou l'autre des caractéristiques ci-dessous prises seules ou en combinaison.Depending on different aspects, it is possible to provide one and/or the other of the characteristics below taken alone or in combination.

Selon une réalisation, le palier est formé par au moins une plaque, notamment deux plaques, assemblable(s) de manière amovible au tour périphérique.According to one embodiment, the bearing is formed by at least one plate, in particular two plates, which can be assembled removably to the peripheral tower.

Selon une réalisation, le palier est un palier inférieur et la trappe comprend une portion de maintien supérieure supportant verticalement le système de déplacement.According to one embodiment, the bearing is a lower bearing and the hatch comprises an upper holding portion vertically supporting the movement system.

Selon une réalisation, la portion de maintien supérieure est plaçable en configuration ouverte ou en configuration fermée.According to one embodiment, the upper holding portion can be placed in an open configuration or in a closed configuration.

Selon une réalisation, la configuration ouverte de la trappe comprend la portion de maintien ouverte en configuration ouverte et ladite au moins une plaque n'obturant pas l'ouverture traversante.According to one embodiment, the open configuration of the hatch comprises the holding portion open in the open configuration and said at least one plate not blocking the through opening.

Selon une réalisation, le système de déplacement comprend une portion polygonale, et la portion de maintien supérieure comprend un relief d'anti-rotation complémentaire de la portion polygônale.According to one embodiment, the movement system comprises a polygonal portion, and the upper holding portion comprises an anti-rotation relief complementary to the polygonal portion.

Selon une réalisation, la turbine, voire le système de motorisation, présentent un encombrement inférieur à la dimension transversale de l'ouverture traversante.According to one embodiment, the turbine, or even the motorization system, has a footprint smaller than the transverse dimension of the through opening.

Selon une réalisation, la trappe est symétrique par rapport à l'axe longitudinal de la planche.According to one embodiment, the hatch is symmetrical with respect to the longitudinal axis of the board.

Selon une réalisation, le centre de la trappe est disposé, le long de l'axe longitudinal de la planche, entre le centre de la planche et l'extrémité avant de la planche, et la distance entre le centre de la trappe et le centre de la planche est compris entre zéro et la moitié de la distance entre le centre de la planche et l'extrémité avant, voire entre zéro et le quart de la distance entre le centre de la planche et l'extrémité avant.According to one embodiment, the center of the hatch is arranged, along the longitudinal axis of the board, between the center of the board and the front end of the board, and the distance between the center of the hatch and the center of the board is between zero and half the distance between the center of the board and the front end, or even between zero and a quarter of the distance between the center of the board and the front end.

Selon une réalisation, le système de liaison du système de déplacement comprend un manchon et une tige rotative par rapport au manchon, la tige étant solidaire du système de préhension et de la turbine.According to one embodiment, the connection system of the movement system comprises a sleeve and a rod rotating relative to the sleeve, the rod being integral with the gripping system and the turbine.

Selon un autre aspect, on prévoit un système flottant comprenant les caractéristiques de la planche et de la trappe.According to another aspect, a floating system is provided comprising the characteristics of the board and the hatch.

BRÈVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS

Des modes de réalisation de l'invention seront décrits ci-dessous par référence aux dessins, décrits brièvement ci-dessous :

  • [Fig. 1] représente schématiquement en perspective un système flottant selon un mode de réalisation.
  • [Fig. 2] représente en perspective une planche et une trappe en configuration fermée du système flottant de la figure 1.
  • [Fig. 3] représente une vue partielle en perspective de dessus de la planche et de la trappe du système flottant de la figure 1 en configuration ouverte.
  • [Fig. 4] représente une vue partielle en perspective de dessus de la planche et de la trappe du système flottant de la figure 1, selon une perspective différente de la figure 3, en configuration fermée.
  • [Fig. 5] représente un système de déplacement du système flottant de la figure 1 selon une perspective différente.
  • [Fig. 6] représente une vue partielle en perspective du système flottant de la figure 1 en cours d'installation.
Embodiments of the invention will be described below with reference to the drawings, briefly described below:
  • [ Fig. 1 ] schematically represents in perspective a floating system according to one embodiment.
  • [ Fig. 2 ] represents in perspective a board and a hatch in closed configuration of the floating system of the figure 1 .
  • [ Fig. 3 ] represents a partial perspective view from above of the board and the hatch of the floating system of the figure 1 in open configuration.
  • [ Fig. 4 ] represents a partial perspective view from above of the board and the hatch of the floating system of the figure 1 , from a different perspective of the Figure 3 , in closed configuration.
  • [ Fig. 5 ] represents a system of movement of the floating system of the figure 1 from a different perspective.
  • [ Fig. 6 ] represents a partial perspective view of the floating system of the figure 1 installing.

Sur les dessins, des références identiques désignent des objets identiques ou similaires.In the drawings, identical references designate identical or similar objects.

DESCRIPTION DÉTAILLÉEDETAILED DESCRIPTION

L'invention concerne un système flottant 1 dont un mode de réalisation est présenté sur la figure 1. Le système flottant 1 comprend une planche 2 et un système de déplacement 3.The invention relates to a floating system 1, one embodiment of which is presented on the figure 1 . The floating system 1 includes a board 2 and a movement system 3.

Le système ayant vocation à être utilisé flottant sur une étendue d'eau présentant une surface horizontale, il va être décrit dans cette orientation. On appelle Z l'axe de la verticale et X et Y les deux axes du plan horizontal tels que X, Y, Z forme un référentiel orthonormé.The system is intended to be used floating on a body of water having a horizontal surface, it will be described in this orientation. We call Z the vertical axis and X and Y the two axes of the horizontal plane such that X, Y, Z form an orthonormal frame of reference.

La planche 2 est allongée selon un axe longitudinal. Pour fixer les idées, on définit comme X l'axe longitudinal de la planche 2. L'axe Y complète le référentiel orthonormé X, Y, Z. De plus, la planche 2 présente une orientation avant-arrière le long de l'axe longitudinal X. On peut par exemple prévoir que la planche 2 présente une forme hydrodynamique favorisant son déplacement dans l'eau dans le sens vers l'avant. Par exemple, comme représentée, l'extrémité avant 8 est réalisée pointue, par exemple plus pointue que l'extrémité arrière opposée le long de l'axe longitudinal X.Board 2 is elongated along a longitudinal axis. To establish ideas, we define the longitudinal axis of board 2 as X. The Y axis completes the orthonormal frame of reference longitudinal X. We can for example provide that the board 2 has a hydrodynamic shape favoring its movement in the water in the forward direction. For example, as shown, the front end 8 is made pointed, for example more pointed than the opposite rear end along the longitudinal axis X.

La planche 2 peut également être symétrique par rapport au plan X-Z, de manière à favoriser l'équilibre de l'occupant de la planche, qui devrait également l'utiliser en restant symétrique par rapport au plan X-Z de la planche.The board 2 can also be symmetrical with respect to the X-Z plane, so as to promote the balance of the occupant of the board, who should also use it while remaining symmetrical with respect to the X-Z plane of the board.

La planche 2 présente une épaisseur faible, selon la direction Z, par rapport aux dimensions de largeur et de longueur dans le plan horizontal. De plus, les variations d'épaisseur sont elles-mêmes faibles par rapport à l'épaisseur elle-même. La planche est allongée, la dimension caractéristique selon l'axe X est ainsi supérieure à la dimension caractéristique selon l'axe Y.Board 2 has a low thickness, in the Z direction, compared to the dimensions of width and length in the horizontal plane. Furthermore, the variations in thickness are themselves small compared to the thickness itself. The board is elongated, the characteristic dimension along the X axis is thus greater than the characteristic dimension along the Y axis.

Notamment, la planche 2 comporte une surface supérieure qui n'est typiquement pas creusée en forme de cavité de manière à s'étendre en-dessous de la surface de l'eau pour recevoir un occupant assis, comme c'est le cas d'un canoë, d'un kayak ou d'une barque par exemple. La surface supérieure de la planche 2 peut être plate, bombée, voire creusée mais en restant au-dessus de la surface de l'eau.In particular, the board 2 has an upper surface which is not typically hollowed out in the form of a cavity so as to extend below the surface of the water to accommodate a seated occupant, as is the case with a canoe, a kayak or a boat for example. The upper surface of the board 2 can be flat, curved, or even hollow but remaining above the surface of the water.

Dans l'exemple présenté, la planche 2 comporte deux flotteurs latéraux 4. La présence, le nombre et la disposition de tels flotteurs sont optionnels dans le cadre de l'invention.In the example presented, the board 2 includes two side floats 4. The presence, number and arrangement of such floats are optional within the framework of the invention.

La planche 2 est flottante. La planche 2 est flottante même chargée avec une masse pouvant aller jusqu'à 100 kilogrammes, voire jusqu'à 150 kilogrammes.Board 2 is floating. Board 2 is floating even loaded with a mass of up to 100 kilograms, or even up to 150 kilograms.

Dans l'exemple présenté, la planche 2 est une planche gonflable. Elle comporte une enveloppe 5 étanche à l'air. On prévoit un système de gonflage et de dégonflage. Selon un exemple de réalisation, l'enveloppe 5 comprend un connecteur aéraulique (non représenté) muni d'une valve anti-retour, et le système de gonflage comprend un gonfleur pouvant être raccordé au connecteur aéraulique, et pouvant être actionné, par exemple un gonfleur électrique, pour injecter de l'air ambiant à l'intérieur de l'enveloppe 5. En variante, le gonfleur électrique peut être intégré à la planche 2. La valve anti-retour peut être neutralisée de manière à libérer l'air contenu dans l'enveloppe pour dégonfler la planche.In the example presented, board 2 is an inflatable board. It has an airtight envelope 5. An inflation and deflation system is provided. According to an exemplary embodiment, the envelope 5 comprises an aeraulic connector (not shown) provided with a non-return valve, and the inflation system comprises an inflator which can be connected to the aeraulic connector, and which can be actuated, for example a electric inflator, to inject ambient air inside the envelope 5. Alternatively, the electric inflator can be integrated into the board 2. The non-return valve can be neutralized so as to release the air contained in the envelope to deflate the board.

La planche 2 pourra être décrite plus précisément ci-dessous en relation avec la figure 2. La planche 2 comprend un corps périphérique 6 et une ouverture 7 traversante. L'ouverture 7 n'est pas visible sur la figure 2, où la trappe est représentée en configuration fermée, mais elle est visible sur la figure 3.Plate 2 can be described more precisely below in relation to the figure 2 . Board 2 comprises a peripheral body 6 and a through opening 7. Opening 7 is not visible on the figure 2 , where the hatch is shown in a closed configuration, but it is visible on the Figure 3 .

L'ouverture 7 est dite traversante selon l'axe Z, en ce qu'elle s'étend de la surface supérieure à la surface inférieure de la planche 2. L'ouverture 7 traversante représentée présente une forme et une position particulières. Toutefois, de nombreuses variantes de réalisation sont possibles. Dans le cas présent, l'ouverture traversante 7 présente une symétrie par rapport à l'axe longitudinal de la planche X. Cette symétrie permet de favoriser un équilibre de l'occupant. De plus, l'ouverture traversante 7 est disposée à l'avant de la planche 2, c'est-à-dire entre l'extrémité avant 8 et le centre de la planche selon l'axe longitudinal. Par exemple, la distance entre le centre de la planche et le centre de l'ouverture traversante 7 le long de l'axe longitudinal, est comprise entre zéro et la moitié de la distance entre le centre de la planche et l'extrémité avant, notamment entre zéro et le quart de la distance entre le centre de la planche et l'extrémité avant. Par exemple, l'ouverture traversante 7 se situe toute entière à l'avant du centre de la planche.The opening 7 is called through opening along the Z axis, in that it extends from the upper surface to the lower surface of the board 2. The through opening 7 shown has a particular shape and position. However, numerous embodiment variants are possible. In the present case, the through opening 7 has symmetry with respect to the longitudinal axis of the board X. This symmetry makes it possible to promote balance for the occupant. In addition, the through opening 7 is arranged at the front of the board 2, that is to say between the front end 8 and the center of the board along the longitudinal axis. For example, the distance between the center of the board and the center of the through opening 7 along the longitudinal axis is between zero and half the distance between the center of the board and the front end, in particular between zero and a quarter of the distance between the center of the board and the front end. For example, the through opening 7 is located entirely at the front of the center of the board.

Dans l'exemple présenté, l'ouverture traversante 7 comprend une section polygônale, en particulier une section carrée. Cette forme est facile à réaliser, aussi bien pour la planche 2 que pour la trappe 9. La section carrée comprend deux côtés parallèles à l'axe longitudinal. Toutefois, d'autres réalisations sont possibles.In the example presented, the through opening 7 comprises a polygonal section, in particular a square section. This shape is easy to achieve, both for board 2 and for hatch 9. The square section includes two sides parallel to the longitudinal axis. However, other achievements are possible.

Le système flottant 1 comprend également une trappe 9. La trappe 9 est disposée dans l'ouverture traversante 7. La figure 2 représente une configuration fermée de la trappe 9. Dans cette configuration, la surface supérieure de la trappe 9 est continue avec la surface supérieure de la planche 2, de manière à former une surface supérieure continue pouvant recevoir les pieds de l'usager.The floating system 1 also includes a hatch 9. The hatch 9 is arranged in the through opening 7. The figure 2 represents a configuration closed of the hatch 9. In this configuration, the upper surface of the hatch 9 is continuous with the upper surface of the board 2, so as to form a continuous upper surface capable of receiving the user's feet.

La figure 3 représente en perspective en éclaté la planche 2 en configuration ouverte de la trappe 9. La trappe 9 comporte un tour périphérique 10. Le tour périphérique 10 est fixé au corps périphérique 6 de la planche 2. Le tour périphérique 10 est également traversant. Le tour périphérique 10 est installé de manière à s'étendre dans l'ouverture traversante 7 de la planche 2, de manière à ce que l'ouverture traversante du tour périphérique 10 soit sensiblement confondue avec l'ouverture traversante de la planche 2.There Figure 3 represents in exploded perspective the board 2 in the open configuration of the hatch 9. The hatch 9 includes a peripheral tower 10. The peripheral tower 10 is fixed to the peripheral body 6 of the board 2. The peripheral tower 10 is also through. The peripheral tower 10 is installed so as to extend into the through opening 7 of the board 2, so that the through opening of the peripheral tower 10 is substantially coincident with the through opening of the board 2.

Dans l'exemple présenté, le tour périphérique 10 comprend un corps périphérique 11 s'étendant sensiblement au contact de la tranche de la planche 2 au niveau de l'ouverture traversante 7, et une collerette 12 horizontale qui s'étend orthogonalement par rapport au corps périphérique 11 et recouvre la surface supérieure de la planche 2.In the example presented, the peripheral tower 10 comprises a peripheral body 11 extending substantially in contact with the edge of the board 2 at the level of the through opening 7, and a horizontal flange 12 which extends orthogonally relative to the peripheral body 11 and covers the upper surface of the board 2.

La trappe 9 comporte un système de maintien du système de déplacement 3, dont un mode de réalisation va être donné ci-dessous.The hatch 9 includes a system for maintaining the movement system 3, an embodiment of which will be given below.

Ce système de maintien est agencé pour permettre, lorsqu'il est actif, la rotation du système de déplacement 3 par rapport à la planche 2 par rapport à un axe vertical Z, comme seul degré de liberté du système de déplacement 3 par rapport à la planche 2.This holding system is arranged to allow, when active, the rotation of the movement system 3 with respect to the board 2 with respect to a vertical axis Z, as the only degree of freedom of the movement system 3 with respect to the plate 2.

Le système de maintien comprend un palier inférieur. Le palier inférieur se situe au niveau de la surface inférieure de la planche 2, ou au moins en-dessous de la surface supérieure de la planche 2.The support system includes a lower bearing. The lower bearing is located at the level of the lower surface of board 2, or at least below the upper surface of board 2.

Dans l'exemple présenté, le palier inférieur comprend une ouverture circulaire 15 orthogonale à l'axe vertical Z. L'ouverture 15 est disposée dans le plan vertical médian X-Z de la planche 2. Dans le cas de réalisation présenté, l'ouverture circulaire 15 est réalisée au moyen de deux plaques 16, 17 mises en regard l'une de l'autre, et comprenant chacune un évidement 18 partiellement circulaire, de sorte que les évidements 18 ensemble forment l'ouverture circulaire15. On prévoit par exemple deux plaques 16, 17 symétriques l'une de l'autre, par exemple par rapport au plan vertical X-Z (Dans la configuration proposée, deux plaques symétriques l'une de l'autre par rapport au plan vertical Y-Z pourraient alternativement être utilisées).In the example presented, the lower bearing comprises a circular opening 15 orthogonal to the vertical axis Z. The opening 15 is arranged in the median vertical plane X-Z of the board 2. In the embodiment presented, the circular opening 15 is produced by means of two plates 16, 17 facing each other, and each comprising a partially circular recess 18, so that the recesses 18 together form the circular opening 15. We provide for example two plates 16, 17 symmetrical to each other, for example with respect to the vertical plane X-Z (In the proposed configuration, two plates symmetrical to each other with respect to the vertical plane Y-Z could alternately be used).

Dans le cas présent, le système de maintien comprend les deux plaques 16, 17 pouvant prendre deux configurations alternatives : une configuration ouverte, comme représentée sur la figure 3, et une configuration d'obturation dans laquelle elles obturent l'ouverture traversante 7, en laissant pour seul passage l'ouverture circulaire 15. Cette configuration d'obturation améliore les performances de glisse sur l'eau.In the present case, the holding system comprises the two plates 16, 17 which can take two alternative configurations: an open configuration, as shown in the Figure 3 , and a shutter configuration in which they close the through opening 7, leaving only the circular opening 15 to pass through. This closing configuration improves gliding performance on the water.

Dans l'exemple présenté, les deux plaques 16, 17, sont fixées de manière amovible à la planche 2, en l'occurrence au tour périphérique 10. On peut prévoir diverses réalisations d'assemblage amovible. Selon la réalisation présentée, la trappe 9, notamment le tour périphérique 10, comprend des saillies 19 qui projettent dans l'ouverture traversante 7, et servent de support aux plaques 16, 17. Ainsi, les plaques 16, 17, sont posées sur les saillies 19, et sont maintenues en position de manière à obturer l'ouverture traversante 7. L'ouverture traversante 7 peut aussi avoir une forme tronconique rétrécissante du haut vers le bas, pour empêcher les plaques 16, 17, de passer à travers elle. On peut avoir recours à une fixation magnétique des plaques 16, 17 pour mettre en oeuvre la fixation amovible. Par exemple, des aimants 20 sont fixés solidaires de la planche 2, par exemple dans les saillies 19, et exercent une attraction sur les plaques 16, 17, en matériau constitutif adapté.In the example presented, the two plates 16, 17 are removably fixed to the board 2, in this case to the peripheral tower 10. Various embodiments of removable assembly can be provided. According to the embodiment presented, the hatch 9, in particular the peripheral tower 10, comprises projections 19 which project into the through opening 7, and serve as support for the plates 16, 17. Thus, the plates 16, 17, are placed on the projections 19, and are held in position so as to close the through opening 7. The through opening 7 can also have a frustoconical shape narrowing from top to bottom, to prevent the plates 16, 17 from passing through it. Magnetic fixing of the plates 16, 17 can be used to implement the removable fixing. For example, magnets 20 are fixed integrally with the board 2, for example in the projections 19, and exert an attraction on the plates 16, 17, made of suitable constituent material.

Le système de maintien comprend également une portion de maintien supérieure 21. Comme visible sur la figure 4, dans la configuration fermée, la portion de maintien supérieure 21 comprend une ouverture traversante 22 selon l'axe vertical Z. L'ouverture traversante 22 et l'ouverture traversante 15 sont notamment alignées selon l'axe vertical Z. Dans l'exemple présenté, l'ouverture traversante 22 comporte un diamètre plus important que l'ouverture traversante 15.The holding system also includes an upper holding portion 21. As visible in the Figure 4 , in the closed configuration, the upper holding portion 21 comprises a through opening 22 along the vertical axis Z. The through opening 22 and the through opening 15 are in particular aligned along the vertical axis Z. In the example presented , the through opening 22 has a larger diameter than the through opening 15.

Comme visible également sur la figure 4, la portion de maintien supérieure 21 comprend une surface de support 23 orientée vers le haut. De plus, la portion de maintien supérieure 21 comprend un relief d'anti-rotation 24 adapté pour empêcher la rotation autour de l'axe vertical Z d'un élément complémentaire, comme cela sera décrit plus loin. Le relief d'anti-rotation 24 comprend par exemple une forme polygônale, en l'occurrence carrée, centrée sur l'ouverture traversante 22.As also visible on the Figure 4 , the upper holding portion 21 comprises a support surface 23 oriented upwards. In addition, the upper holding portion 21 comprises an anti-rotation relief 24 adapted to prevent rotation around the vertical axis Z of a complementary element, as will be described later. The anti-rotation relief 24 comprises for example a polygonal shape, in this case square, centered on the through opening 22.

Dans l'exemple présenté, la portion de maintien supérieure 21 peut être alternativement placée en configuration ouverte, comme représentée sur la figure 3, qui donne accès à l'ouverture traversante 7, et la configuration fermée représentée sur la figure 4. Selon cet exemple, la portion de maintien supérieure 21 comprend deux plaques 25, 26 mises en regard l'une de l'autre, et comprenant chacune un évidement 27 partiellement circulaire, de sorte que les évidements 27 ensemble forment l'ouverture traversante 22. On prévoit par exemple deux plaques 25, 26 symétriques l'une de l'autre, par exemple par rapport au plan vertical X-Z (Dans la configuration proposée, deux plaques symétriques l'une de l'autre par rapport au plan vertical Y-Z pourraient alternativement être utilisées, de plus, cette orientation est indépendante de l'orientation des plaques 16, 17 au niveau du palier inférieur). De plus, chaque plaque 25, 26 comprend un évidement 28 polygônal, de sorte que les deux évidements 28 polygônaux forment ensemble le relief d'anti-rotation 24.In the example presented, the upper holding portion 21 can be alternatively placed in open configuration, as shown in the Figure 3 , which gives access to the through opening 7, and the closed configuration shown on the Figure 4 . According to this example, the upper holding portion 21 comprises two plates 25, 26 facing each other, and each comprising a partially circular recess 27, so that the recesses 27 together form the through opening 22. For example, two plates 25, 26 are provided which are symmetrical to each other, for example with respect to the vertical plane XZ (In the proposed configuration, two plates which are symmetrical to each other with respect to the vertical plane YZ could alternately be used, moreover, this orientation is independent of the orientation of the plates 16, 17 at the level of the lower bearing). In addition, each plate 25, 26 comprises a polygonal recess 28, so that the two polygonal recesses 28 together form the anti-rotation relief 24.

Dans le cas présent, la portion de maintien supérieure 21 est solidaire du tour périphérique 10, et montée mobile par rapport à celui-ci entre les deux configurations présentées ci-dessus. On prévoit par exemple un montage pivotant des plaques 25 et 26 par rapport au tour périphérique 10 autour d'un axe horizontal. Des charnières 29 peuvent être prévues pour assurer ce montage. En configuration fermée, les plaques 25, 26 reposent sur une portion en saillie 30 du tour périphérique 10.In the present case, the upper holding portion 21 is integral with the peripheral tower 10, and mounted movable relative to the latter between the two configurations presented above. For example, we provide a pivoting mounting of the plates 25 and 26 relative to the peripheral tower 10 around a horizontal axis. Hinges 29 can be provided to ensure this assembly. In closed configuration, the plates 25, 26 rest on a projecting portion 30 of the peripheral tower 10.

Un système de maintien de la portion de maintien supérieure 21 en configuration fermée est prévu. On peut par exemple prévoir un système de maintien magnétique. Par exemple, des aimants 31 sont disposés dans le tour périphérique 10, et retiennent une portion en regard des plaques 25, 26.A system for maintaining the upper holding portion 21 in a closed configuration is provided. For example, a magnetic holding system can be provided. For example, magnets 31 are arranged in the peripheral tower 10, and retain a portion facing the plates 25, 26.

Un système de maintien 32 du système de déplacement sur la portion de maintien supérieure 21 est également prévu. On prévoit par exemple un système de maintien magnétique. Ainsi, des portions 33 des plaques 25, 26, par exemple disposées dans les évidements 28, peuvent être ferromagnétiques, et susceptible d'intéragir avec des aimants du système de déplacement 3, comme décrit plus loin.A system 32 for holding the movement system on the upper holding portion 21 is also provided. For example, a magnetic holding system is planned. Thus, portions 33 of the plates 25, 26, for example arranged in the recesses 28, can be ferromagnetic, and capable of interacting with magnets of the movement system 3, as described below.

La figure 5 représente schématiquement le système de déplacement 3. Le système de déplacement 3 est un système indépendant de la planche et de la trappe, et peut être soit disponible indépendamment, soit assemblé à la planche 2 et à la trappe 9 de manière amovible pour former un système flottant comme décrit ci-dessous.There Figure 5 schematically represents the movement system 3. The movement system 3 is a system independent of the board and the hatch, and can either be available independently, or assembled to the board 2 and the hatch 9 in a removable manner to form a system floating as described below.

Le système de déplacement 3 présente plusieurs composants disposés le long d'un mat vertical 34. Le mat vertical 34 s'étend d'une première extrémité 35 haute à une deuxième extrémité 36 basse opposée. Le mat vertical 34 comporte un système d'assemblage 37 pour l'assemblage du mat vertical 34 à la planche 2 et à la trappe 9. Le système d'assemblage 37 est intermédiaire entre les première 35 et deuxième 36 extrémités. Le système d'assemblage 37 comprend par exemple un fourreau 38 d'axe vertical solidaire d'une plaque horizontale 39.The movement system 3 has several components arranged along a vertical mat 34. The vertical mat 34 extends from a first high end 35 to a second opposite low end 36. The vertical mast 34 comprises an assembly system 37 for assembling the vertical mast 34 to the board 2 and to the hatch 9. The assembly system 37 is intermediate between the first 35 and second 36 ends. The assembly system 37 comprises for example a sheath 38 with a vertical axis secured to a horizontal plate 39.

Le mat 34 comporte un système de liaison muni d'une tige 40 montée rotative par rapport au fourreau 38 autour de l'axe vertical Z. Cette rotation est le seul degré de liberté de la tige 40 par rapport au fourreau 38. La plaque 39 horizontale présente une forme complémentaire du relief d'anti-rotation 34. Ainsi, une fois la plaque 39 assemblée au relief d'anti-rotation 34, elle ne peut pas tourner autour de l'axe vertical Z par rapport à la planche 2.The mast 34 comprises a connection system provided with a rod 40 rotatably mounted relative to the sheath 38 around the vertical axis Z. This rotation is the only degree of freedom of the rod 40 relative to the sheath 38. The plate 39 horizontal has a shape complementary to the anti-rotation relief 34. Thus, once the plate 39 assembled to the anti-rotation relief 34, it cannot rotate around the vertical axis Z relative to the board 2.

La plaque 39 peut également comprendre des aimants (non visibles sur la figure 5, disposés sur la face inférieure de la plaque 39), pour le maintien amovible du système de déplacement 3 sur la trappe 9 par coopération avec les portions ferromagnétiques 33 de la trappe 9.Plate 39 may also include magnets (not visible on the Figure 5 , arranged on the underside of the plate 39), for the removable maintenance of the movement system 3 on the hatch 9 by cooperation with the ferromagnetic portions 33 of the hatch 9.

Le mat vertical 34 peut être fourni intégral, ou en plusieurs parties assemblables l'une à l'autre et désassemblables l'une de l'autre pour gagner en compacité pour le rangement.The vertical mast 34 can be supplied integral, or in several parts which can be assembled together and disassembled from each other to gain compactness for storage.

Le mat vertical 34 peut comprendre, en son extrémité haute 35, un système de préhension 41 tel qu'un guidon, comme représenté, ou autre. Le système de préhension 41 est disposé de manière à pouvoir être tenu par les mains d'un usager debout sur la planche 2. Le cas échéant, la position verticale du système de préhension 41 par rapport à la plaque 39 est ajustable par des moyens connus (manche télescopique ou autre) pour s'adapter au confort souhaité par l'usager, ou à des usagers de taille différente.The vertical mast 34 may include, at its upper end 35, a gripping system 41 such as a handlebar, as shown, or the like. The gripping system 41 is arranged so that it can be held by the hands of a user standing on the board 2. If necessary, the vertical position of the gripping system 41 relative to the plate 39 is adjustable by known means (telescopic handle or other) to adapt to the comfort desired by the user, or to users of different sizes.

Le guidon s'étend par exemple selon un axe horizontal transverse à l'axe longitudinal de la planche 2 en configuration neutre.The handlebars extend for example along a horizontal axis transverse to the longitudinal axis of the board 2 in neutral configuration.

Le système de déplacement comprend une turbine 42 en l'extrémité basse 36. La turbine 42 présente par exemple un axe horizontal. En position neutre du système de déplacement 3 par rapport à la planche 2, l'axe horizontal 3 est parallèle à l'axe longitudinal de la planche 2. La turbine 42 est protégée par un garde-corps 46.The movement system includes a turbine 42 at the lower end 36. The turbine 42 has for example a horizontal axis. In the neutral position of the movement system 3 relative to the board 2, the horizontal axis 3 is parallel to the longitudinal axis of the board 2. The turbine 42 is protected by a guardrail 46.

La turbine 42 est entrainée en rotation par un moteur. On prévoit par exemple un moteur électrique. Selon une réalisation, le moteur électrique est logé dans un carter 43 disposé à l'extrémité basse 36 du mat 34. Le moteur électrique comprend un axe de sortie aligné avec l'axe de rotation de la turbine 42.The turbine 42 is rotated by a motor. For example, an electric motor is planned. According to one embodiment, the electric motor is housed in a casing 43 disposed at the lower end 36 of the mast 34. The electric motor comprises an output axis aligned with the axis of rotation of the turbine 42.

Le système de déplacement 3 comprend une alimentation du moteur. On peut par exemple prévoir une batterie électrique raccordée électriquement par voie filaire au moteur, de manière étanche. Par exemple, la batterie est disposée à l'extérieur du mat 34. La batterie peut par exemple être rechargeable et/ou échangeable, ce qui est facilité par son installation en dehors du mat.The movement system 3 includes a motor power supply. For example, we can provide an electric battery connected electrically by wire to the motor, in a watertight manner. For example, the battery is placed outside the mast 34. The battery can for example be rechargeable and/or exchangeable, which is facilitated by its installation outside the mast.

Une portion au moins du mat vertical 34 sous le système d'assemblage 37 a une section circulaire pour coopérer avec l'ouverture 15.At least a portion of the vertical mast 34 under the assembly system 37 has a circular section to cooperate with the opening 15.

Le système de déplacement 3 comprend également une interface homme-machine 45 permettant à l'usager de commander le fonctionnement du moteur. L'interface homme-machine 45 est par exemple disposée au niveau du guidon. Il peut s'agir de tout type de système compatible avec les exigences du nautisme. L'interface homme-machine 45 est reliée à une électronique de commande qui, elle-même pilote le fonctionnement du moteur. Les paramètres contrôlables par l'usager sont par exemple la vitesse de rotation du moteur, ou la configuration de la turbine entre une configuration permettant une marche avant et une configuration permettant une marche arrière. L'interface homme-machine 45 comprend un ou plusieurs organes, de type boutons ou manettes, pour que l'utilisateur commande le système de motori sation.The movement system 3 also includes a man-machine interface 45 allowing the user to control the operation of the motor. The man-machine interface 45 is for example arranged at the level of the handlebars. It can be any type of system compatible with boating requirements. The man-machine interface 45 is connected to control electronics which itself controls the operation of the motor. The parameters controllable by the user are for example the rotation speed of the motor, or the configuration of the turbine between a configuration allowing forward movement and a configuration allowing a reverse. The man-machine interface 45 includes one or more elements, such as buttons or levers, for the user to control the motorization system.

Le système de déplacement 3 peut comprendre un lien souple pour le raccordement à l'usager. Le cas échéant, c'est la planche 2 qui comporte ce lien. Le système de déplacement peut être conçu flottant. Le cas échéant, on prévoit un lien coupe-circuit porté par l'usager assemblé de manière amovible au système de déplacement, par exemple par une fixation magnétique, de sorte que, lorsque le lien coupe-circuit est désassemblé du système de déplacement 3, le moteur est automatiquement coupé.The movement system 3 may include a flexible link for connection to the user. If applicable, it is plate 2 which contains this link. The movement system can be designed floating. Where applicable, a circuit breaker link carried by the user is provided which is removably assembled to the movement system, for example by a magnetic attachment, so that, when the circuit breaker link is disassembled from the movement system 3, the engine is automatically cut off.

Comme visible sur la figure 2, on peut prévoir un capot 47 qui vient obturer l'évidement 28 en l'absence de système de déplacement 3. On dispose alors d'une planche 2 dont la surface supérieure est continue. Le capot 47 peut être également maintenu amovible sur la portion de maintien supérieure 21 par des moyens magnétiques.As visible on the figure 2 , we can provide a cover 47 which closes the recess 28 in the absence of movement system 3. We then have a board 2 whose upper surface is continuous. The cover 47 can also be held removable on the upper holding portion 21 by magnetic means.

Le système qui vient d'être décrit fonctionne comme suit.The system which has just been described works as follows.

On dispose d'un système de déplacement 3. On dispose d'une planche 2 munie de sa trappe 9, comme représentée par exemple sur la figure 4.We have a movement system 3. We have a board 2 provided with its hatch 9, as shown for example on the Figure 4 .

On place la trappe 9 en configuration ouverte. On retire le capot 47, et on peut le fixer à la trappe 9, par exemple à une des plaques 16, 17, sans obturer l'ouverture 15, par exemple par magnétisme. On ouvre la portion de maintien supérieure 21, dans le cas présent en faisant pivoter les plaques 25, 26 au moyen des charnières 29. On retire le palier inférieur, dans le cas présent en retirant les plaques 17 et 18 qu'on réserve pour plus tard, ou en les déplaçant de manière à dégager l'ouverture traversante.We place hatch 9 in open configuration. The cover 47 is removed, and it can be fixed to the hatch 9, for example to one of the plates 16, 17, without closing the opening 15, for example by magnetism. We open the upper holding portion 21, in the present case by rotating the plates 25, 26 by means of the hinges 29. We remove the lower bearing, in the present case by removing the plates 17 and 18 which we reserve for further later, or by moving them so as to clear the through opening.

On est alors dans la configuration de la figure 3. En particulier, l'encombrement horizontal du la portion basse du système de déplacement 3 est inférieure à la dimension de l'ouverture traversante dans la trappe 9.We are then in the configuration of the Figure 3 . In particular, the horizontal size of the lower portion of the movement system 3 is less than the dimension of the through opening in the hatch 9.

Comme représenté sur la figure 6, on fait coulisser de haut en bas le système de déplacement 3à travers l'ouverture traversante. Cette étape se fait de préférence dans l'eau par une profondeur suffisante, ou en plaçant la planche 2 sur des tréteaux. Une fois le carter 43 et l'hélice 42 passés à travers l'ouverture traversante, on forme le palier inférieur autour du mat vertical 34. Dans l'exemple, on assemble les deux plaques 16, 17 à la trappe 9 par appui sur les saillies 19. Les plaques 16, 17 forment alors l'ouverture 15 circulaire autour du mat vertical 34 de section complémentaire, et sont solidarisées à la planche 2 par exemple de manière magnétique. La figure 6 représente un état intermédiaire dans lequel les plaques 16, 17 n'ont pas encore été posées sur les saillies 19.As shown on the Figure 6 , the movement system 3 is slid up and down through the through opening. This step is preferably done in water at a sufficient depth, or by placing board 2 on trestles. Once the casing 43 and the propeller 42 have passed through the through opening, the lower bearing is formed around the vertical mast 34. In the example, the two plates 16, 17 are assembled to the hatch 9 by pressing on the projections 19. The plates 16, 17 then form the circular opening 15 around the vertical mat 34 of complementary section, and are secured to the board 2 for example in a manner magnetic. There Figure 6 represents an intermediate state in which the plates 16, 17 have not yet been placed on the projections 19.

On referme alors la portion de maintien supérieure 21, celle-ci venant se solidariser avec le tour périphérique 10, dans le cas présent de manière magnétique. On abaisse le système de déplacement 3 jusqu'à ce que la plaque 39 se solidarise avec la portion de maintien supérieure 21. Dans le cas présent, la plaque 39 vient en appui sur la surface de support 23. Le mat vertical 34 passe à travers l'ouverture 22. Dans cet exemple, la plaque 39 est assemblée à la portion de maintien supérieure 21 par magnétisme.The upper holding portion 21 is then closed, it securing itself with the peripheral tower 10, in this case magnetically. The movement system 3 is lowered until the plate 39 joins with the upper holding portion 21. In the present case, the plate 39 comes to rest on the support surface 23. The vertical mat 34 passes through the opening 22. In this example, the plate 39 is assembled to the upper holding portion 21 by magnetism.

Dans cette configuration, on peut prévoir de maintenir le mat vertical sur la portion de maintien supérieure 21 par tout moyen additionnel adapté, comme par exemple un cavalier 44 porté sur les plaques 25 et 26 et déplacé en configuration où il retient la plaque 39.In this configuration, it is possible to plan to maintain the vertical mast on the upper holding portion 21 by any suitable additional means, such as for example a jumper 44 carried on the plates 25 and 26 and moved into the configuration where it retains the plate 39.

Le système flottant 1 est alors assemblé et peut être utilisé. L'utilisateur monte sur le système flottant visible sur la figure 1. Le système de déplacement est positionné de sorte que l'utilisateur peut se tenir debout dans une région centrale de la planche 2, ce qui est optimal en terme de stabilité. De plus, en position neutre du guidon, la turbine se trouve juste sous ses pieds et orientée vers l'arrière. Cette configuration est également optimale du point de vue de la stabilité.The floating system 1 is then assembled and can be used. The user climbs onto the floating system visible on the figure 1 . The movement system is positioned so that the user can stand in a central region of the board 2, which is optimal in terms of stability. In addition, in the neutral position of the handlebars, the turbine is located just under his feet and oriented towards the rear. This configuration is also optimal from a stability point of view.

L'utilisateur utilise l'interface homme-machine pour commander la vitesse de rotation du moteur et le sens de déplacement vers l'avant et vers l'arrière.The user uses the human-machine interface to control the rotation speed of the motor and the direction of forward and reverse movement.

L'utilisateur peut tourner le guidon, de sorte à faire tourner la tige 40 autour de l'axe vertical dans le palier inférieur et dans le manchon 38 qui, lui, est bloqué en rotation par le relief d'anti-rotation 24.The user can turn the handlebars, so as to rotate the rod 40 around the vertical axis in the lower bearing and in the sleeve 38 which is blocked in rotation by the anti-rotation relief 24.

L'utilisateur modifie ainsi l'axe de la turbine par rapport à la planche 2, ce qui fait tourner le système flottant 1.The user thus modifies the axis of the turbine relative to the board 2, which causes the floating system 1 to rotate.

Après utilisation, le système de déplacement peut être désolidarisé par une suite d'action inverse que celles présentées ci-dessus pour la solidarisation. L'alimentation électrique peut, au besoin, être échangée et/ou rechargée. Si la planche doit être transportée dans un espace restreint (coffre de voiture, etc..), elle est dégonflée.After use, the movement system can be detached by a sequence of actions opposite to those presented above for connection. The power supply can, if necessary, be exchanged and/or recharged. If the board must be transported in a confined space (car trunk, etc.), it is deflated.

Le tour périphérique 10 peut par exemple comprendre une portion supérieure, assemblée à la planche 2 depuis la surface supérieure de la planche, une portion inférieure assemblée à la planche 2 depuis la surface supérieure de la planche, les portions inférieure et supérieure étant assemblées l'une à l'autre par tout moyen approprié, tel que vissage ou autre.The peripheral tower 10 can for example comprise an upper portion, assembled to the board 2 from the upper surface of the board, a lower portion assembled to the board 2 from the upper surface of the board, the lower and upper portions being assembled the one to the other by any appropriate means, such as screwing or other.

LISTE DES SIGNES DE RÉFÉRENCELIST OF REFERENCE SIGNS

  • 1 : Système flottant1: Floating system
  • 2 : Planche2: Board
  • 3 : Système de déplacement3: Movement system
  • 4 : flotteurs4: floats
  • 5 : enveloppe5: envelope
  • 6 : corps périphérique6: peripheral body
  • 7 : ouverture traversante7: through opening
  • 8 : extrémité avant8: front end
  • 9 : trappe9: hatch
  • 10 : tour périphérique10: peripheral tower
  • 11 : corps périphérique11: peripheral body
  • 12 : collerette12: collar
  • 15 : ouverture15: opening
  • 16, 17 : plaques16, 17: plates
  • 18 : évidements18: recesses
  • 19 : saillies19: projections
  • 20 : Aimants20: Magnets
  • 21 : portion de maintien supérieure21: upper holding portion
  • 22 : ouverture traversante22: through opening
  • 23 : surface de support23: support surface
  • 24 : Relief d'anti-rotation24: Anti-rotation relief
  • 25, 26 : plaques25, 26: plates
  • 27 : évidement27: recess
  • 28 : évidement28: recess
  • 29 : charnières29: hinges
  • 30 : Portion en saillie30: Projecting portion
  • 31 : Aimants31: Magnets
  • 32 : système de maintien32: holding system
  • 33 : portions ferromagnétiques33: ferromagnetic portions
  • 34 : mat vertical34: vertical mast
  • 35 : première extrémité35: first end
  • 36 : deuxième extrémité36: second end
  • 37 : système d'assemblage37: assembly system
  • 38 : fourreau38: scabbard
  • 39 : plaque horizontale39: horizontal plate
  • 40 : Tige40: Stem
  • 41 : système de préhension41: gripping system
  • 42 : turbine42: turbine
  • 43 carter43 crankcase
  • 44 : cavalier44: rider
  • 45 : interface homme-machine45: man-machine interface
  • 46 : garde-corps46: guardrail
  • 47 : capot47: hood

Claims (10)

  1. Floating system including:
    - An inflatable floating board (2) comprising a peripheral body (6) elongated in a longitudinal direction and surrounding a through opening (7) centered in the longitudinal direction,
    - A hatch (9) arranged in the through opening (7), and comprising a peripheral edge (10) assembled to the peripheral body (6), and at least one bearing, the hatch (9) being adapted to alternately take an open configuration and a closed configuration in which the bearing is formed,
    - A movement system (3) comprising:
    . a connection system extending through the hatch (9) in closed configuration between a first end and a second end, the connection system being rotatably mounted relative to the board (2) around a vertical axis through the bearing,
    . a gripping system (41) provided at the first end of the connection system,
    . a motor system comprising an electric motor adapted to drive a propeller (42) around an axis of rotation, said propeller (42) being arranged at the second end of the connection system, and
    . at least one electrical power supply integral with the connection system and electrically connected to the motor system,
    . at least one man-machine interface member adapted to authorize a user to control the motorization system,
    and in which the movement system (3) is movable through the hatch (9) in the open configuration of the hatch (9).
  2. Floating system according to claim 1, in which the bearing is formed by at least one plate, in particular two plates (16, 17), which can be assembled removably to the peripheral edge (10).
  3. Floating system according to claim 1 or 2, in which the bearing is a lower bearing and in which the hatch (9) comprises an upper holding portion (21) vertically supporting the movement system (3).
  4. Floating system according to claim 3, wherein the upper holding portion (21) is placeable in an open configuration or in a closed configuration.
  5. System according to claim 4, in which the open configuration of the hatch comprises the upper holding portion (21) open in the open configuration and said at least one plate (16, 17) not closing the through opening (7).
  6. Floating system according to one of claims 3 to 5, in which the movement system (3) comprises a polygonal portion, and in which the upper holding portion (21) comprises an anti-rotation relief (24) complementary to the polygonal portion.
  7. Floating system according to one of claims 1 to 6, in which the propeller (42), or even the motorization system, has a footprint smaller than the transverse dimension of the through opening (7).
  8. Floating system according to one of claims 1 to 7, in which the hatch (9) is symmetrical with respect to the longitudinal axis of the board (2).
  9. Floating system according to one of claims 1 to 8, in which the center of the hatch (2) is arranged, along the longitudinal axis of the board, between the center of the board (2) and the front end of the board (2), and the distance between the center of the hatch and the center of the board is between zero and half of the distance between the center of the board and the front end, or even between zero and a quarter of the distance between the center of the board and the front end.
  10. Floating system according to one of claims 1 to 9, in which the connecting system of the movement system (3) comprises a sheath (38) and a rod (40) rotatable relative to the sheath, the rod (40) being integral of the gripping system (41) and the propeller (42).
EP22197734.1A 2021-09-28 2022-09-26 Floating system comprising a floating inflatable board and a movement system Active EP4155188B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2110238A FR3127466B1 (en) 2021-09-28 2021-09-28 Floating system

Publications (2)

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EP4155188A1 EP4155188A1 (en) 2023-03-29
EP4155188B1 true EP4155188B1 (en) 2024-06-26

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FR (1) FR3127466B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10017233B2 (en) 2016-07-13 2018-07-10 Mike Ajello Jet-powered oar system for a paddle board
US10926852B2 (en) 2017-11-08 2021-02-23 James F. Kramer Personal watercraft
FR3103780B1 (en) 2019-11-29 2021-12-10 Next Blue Tech Electrically powered inflatable water craft intended to be piloted in a standing position

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EP4155188A1 (en) 2023-03-29
FR3127466B1 (en) 2023-10-13

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