Classifications

• • 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
  • E04H4/1663—Self-propelled cleaners the propulsion resulting from an intermittent interruption of the waterflow through the cleaner
• • 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 submerged surface cleaner with a propellant jet of water.
• the propellant submerged surface submerged surface cleaning apparatuses usually comprise water jet propulsion means generating a propellant jet of water, and means for orienting the propellant jet of water adapted to allow orienting said water jet in two opposite, so-called longitudinal, directions of propulsion capable of conferring on the cleaning apparatus two opposite directions of movement along an axis of displacement.
• Such cleaning devices simply comprise a turbine or a nozzle supplied either by onboard motor means or by the discharge circuit of the filtration system of the basin, and constitute a range of apparatus. designed to move on the bottom wall of basins, the cost of which is significantly lower than the cost of sophisticated equipment designed to move on the bottom wall and the side walls of basins.
• the present invention aims to overcome this drawback and its main purpose is to provide a cleaning device combining the advantages of current propellant water jet devices (simplicity, low cost %) and an effective cleaning capacity of the the entire surface of the bottom walls of the basins without requiring human intervention.
• Another object of the invention is to provide a cleaning apparatus of optimized use optimally.
• the invention aims, in the first place, a cleaning device whose means of orientation of the jet of propellant water are adapted to to orient the jet of propellant water, not only in two opposite longitudinal propulsion directions, but, in addition, in at least one third, so-called lateral, propulsion direction, in which the said jet of water is oriented in a direction secant direction relative to the longitudinal axis of movement adapted to exert a force capable of causing a pivoting by oversteering of the cleaning apparatus.
• the cleaning apparatus according to the invention is described, in the present application, positioned on a bottom wall of a pool such as a swimming pool, and the terms such as above, below, superior, inferior .... must be interpreted taking into consideration such positioning.
• Such a propellant jet cleaner apparatus is therefore designed to perform:
• This cleaning apparatus can therefore carry out movement sequences incorporating longitudinal displacements and "turns" which, by means of an adequate programming of the said sequences of movements, in particular determined according to the shape and dimensions of the basins, make it possible to obtain efficient cleaning. the entire surface of the bottom wall of the basins without requiring human intervention.
• the means for orienting the propulsive water jet are adapted to allow said water jet to be oriented in two opposite lateral propulsion directions that are symmetrical with respect to the axis of the jet of water. displacement.
• the cleaning apparatus advantageously comprises means for controlling the means for orienting the propulsive water jet capable of generating sequences of movements comprising longitudinal displacements along the axis of displacement, alternatively in both directions of travel, and turns in at least one direction of rotation.
• the cleaning apparatus can thus pivot in both directions and thus has an increased movement capacity.
• orientation means of the propellant water jet are advantageously adapted, according to the invention, so that, in each direction of lateral propulsion, the jet of propellant water is propelled in the vicinity of one of the longitudinal ends of the cleaning apparatus, with an orientation at least substantially orthogonal to the axis of displacement.
• the jet of propellant water is preferably oriented, in each direction of lateral propulsion, relative to the axis of rotation of one of the sets of rolling members.
• This arrangement makes it possible to obtain maximum pivoting torque in each direction of lateral propulsion of the propellant jet of water, thus ensuring effective and rapid pivoting of the cleaning apparatus.
• the means for orienting the propellant water jet comprise:
• a distributor rotating around another axis of rotation comprising a propulsion duct extending radially with respect to said axis of rotation
• the means for orienting the propellant water jet advantageously comprise, according to the invention, fixed propulsion vents:
• the water jet propulsion means comprise a radial turbine driven in rotation about the other axis of rotation by motor means, and:
• the rotary distributor comprises a suction chamber arranged to house the radial turbine, provided with a communication passage with the propulsion pipe,
• the rotating drive means of the rotary distributor comprise deflector members of the water jet generated by the rotation of the turbine.
• the suction of the water for its filtration and the creation of the propellant water jet are achieved by means of a single turbine which thus provides the two functions of filtration and propulsion.
• the suction chamber of the rotary distributor comprises a feed opening opening into the upper part of said suction chamber
• Piping means incorporating filtration means are adapted to channel the water between at least one suction opening in the lower portion of the cleaning apparatus and the supply opening of the suction chamber.
• the rotary distributor then advantageously comprises, according to the invention, water passage openings arranged opposite the feed opening of the suction chamber and adapted, on the one hand, to be disengaged in each of the lateral propulsion positions, and secondly, to be obstructed in the two longitudinal propulsion positions.
• the suction chamber in the lateral propulsion positions, is fed directly by means of the water penetrating through the upper openings of the water passage. Therefore, during pivoting, the cleaning device is not subject to the adhesion force generated by the vacuum resulting from the suction of water through the suction openings (Bernoulli effect).
• the feed rate of the suction chamber is independent of the filling rate and / or clogging of the filtration means. As a result, the amplitude of the pivoting remains constant regardless of this degree of filling and / or clogging, and can be determined precisely.
• the cleaning apparatus advantageously comprises a cowling adapted to house the rotary distributor, in which are formed, on the one hand, the fixed propulsion vents, and secondly, lights adapted to be in correspondence with said water passage openings in each of the two lateral propulsion positions.
• the cleaning apparatus comprises a frame having the form of a frame defining a volume adapted to house a removable filtration tank enclosing the filtering means and having a lower wall in which is provided each suction opening.
• the shape of the frame is advantageously adapted so that the cleaning device can be placed edge in a position allowing the removal of the filter tank.
• access to the filter tank and the removal and then the replacement of the latter are extremely easy.
• the cleaning apparatus also advantageously comprises, according to the invention, on each side of each suction opening along the axis of longitudinal displacement, a lip extending on the edge of said suction opening. , of suitable height to delimit, above the immersed surface, a suction passage of reduced section.
• the indexing means comprise radial stop members protruding on the circumference of the rotary distributor, and an abutment member associated with actuating means able to move the said stop member between interception positions of the stop members and retracted positions relative to said stop members.
• the radial stop members and the stop member are arranged so that said stop member has a first interception position of the stop members defining the lateral propulsion positions of the rotary distributor, and a second position of interception of the stop members defining the longitudinal propulsion positions of the rotary distributor,
• the actuating means comprise an active state for holding the stop member in one of its two interception positions and a passive state for holding said stop member in its second interception position.
• actuating means are, moreover, advantageously according to the invention, of the electric power supply type and have an active state, obtained during their electrical supply, for holding the stop member in its interception position of the organs stopper defining the lateral propulsion positions of the rotary distributor, and a passive state, obtained in the absence of an electrical supply, for holding the stopper member in its intercepting position of the stop members defining the positions longitudinal propulsion of the rotary distributor.
• the actuating means are electrically powered only during the pivoting phases of the cleaning apparatus, that is to say the phases of lesser duration.
• stop members defining the lateral propulsion positions of the rotary distributor are offset, along an axis parallel to the other axis of rotation, relative to the stop members defining the longitudinal propulsion positions of said rotary distributor,
• the stop member consists of a lever articulated about a pivot axis orthogonal to a radial axis with respect to the other axis of rotation, -
• the actuating means comprise an electromagnet adapted to rotate the abutment member about its pivot axis.
• FIG. 1 is a perspective view from above of a cleaning apparatus according to the invention
• FIG. 2 is a perspective view from below showing the cleaning apparatus arranged in a position allowing access to the filtration tank
• FIG. 2a is a detailed view of the bottom wall of the filtration tank
• FIG. 3 is a perspective view from above of this cleaning apparatus shown without a cover cap
• FIG. 4 is a top view on which the upper element of the cowling is shown dissociated from the cleaner
• FIGS. 5 and 6 are partial perspective views of the cleaning apparatus according to the invention.
• FIGS. 7a to 7e are perspective views of the means for orienting the jet of propellant water representing various positions of said orientation means
• FIGS. 8a and 8b are views from above of the cleaning apparatus according to the invention shown in one of the longitudinal propulsion positions of the propellant jet of water, respectively without an upper cowling element (FIG. 8a) and with the element upper cowling ( Figure 8b),
• FIGS. 9a and 9b are views from above of the cleaning apparatus according to the invention shown in one of the lateral propulsion positions of the propellant jet of water, respectively without a top cowling element (FIG. 9a) and with the upper cowling element (Figure 9b).
• the cleaning apparatus according to the invention represented in particular in FIGS. 1 to 4 consists of a water jet cleaner apparatus propellant adapted to move on the bottom wall (P) of pools such as swimming pools.
• This cleaning apparatus comprises, in the first place, a frame 1 having the general shape of a frame delimiting a substantially parallelepipedal internal volume rectangle.
• This chassis 1 is carried by two axles, said front axle 3 and rear axle 4, positioned at each of the longitudinal ends of said chassis, on the ends of each of which are mounted two wheels: two front wheels 5, 6 and two wheels rear 7, 8.
• the two axles 3, 4 are rotatably mounted about parallel axes of rotation (x), and thus determine a longitudinal axis of displacement (y) of the cleaning apparatus orthogonal to said axes of rotation (x).
• the cleaning apparatus comprises a cradle 9 secured to said frame, supporting a centrifugal pump 10 driving a turbine radial 1 1, in a position where said turbine is rotatable about an axis (z) perpendicular to the plane defined by the axes (x, y).
• this cradle 9 is housed inside a removable filtering tank 13, and delimits a support surface of a filtration bag 12 adapted so that the filtered materials, such as suspended solids, are deposited at the same time. interior of said filter tank.
• This filtration tank 13 has a generally rectangular parallelepipedal shape conjugate with that of the internal volume 2 delimited by the frame 1, and comprises, as shown in particular in FIGS. 2 and 4, two manually operated pivoting lateral handles, such as 60, provided with , in the upper part, detent lugs such as 60a, designed to cooperate with a bar 59 for locking said lugs integral with the frame 1.
• such a filter tank 13 is accessible, and can be removed and replaced, in a position of the cleaner in which the latter is positioned edging.
• the filtration tank 13 further comprises a bottom wall 13a in which are provided two suction openings 14, 15 in the example of rectangular shape, arranged so that the axes of longitudinal symmetry of said suction openings are aligned along the same axis parallel to the axis (x) of rotation of the wheels 5-8.
• this filtering pan 13 comprises, on either side of each suction opening 14, 15, along the longitudinal displacement axis (y), a lip 56, 57 extending at the edge of said suction opening, of height adapted to delimit, above the bottom wall (P), a suction slit of reduced height (e) designed to accelerate the flow of water and create, in contact with said bottom wall, jets able to effectively clean the latter.
• the filtration tank 13 comprises, finally, two suction ducts 16 each opening at one of the suction ports 14 and 15 and extending through the cradle 9 so as to to emerge in the upper zone of the latter.
• the cleaning apparatus comprises, moreover, two cowling plates 17, 18 adapted to be superimposed and positioned on the frame 1, said plates being shaped so as to delimit:
• a housing for a rotary distributor 19 adapted to be fed by means of the jet of water produced by the radial turbine 1 1,
• the lower plate 17, adapted to be secured to the frame 1, comprises, in the first place, a central orifice 24 arranged to be oriented on the axis of rotation (z) of the radial turbine 1 1, on the periphery of which is formed an annular track 25 for supporting and guiding the rotary distributor 19.
• This bottom wall 17 also comprises four channels 20a-23a formed from the annular track 25 and consisting of:
• two lateral channels 22a, 23a extending symmetrically on either side of the rear channel 21a, and having longitudinal profiles bent so as to have, each, a branch 26 radial to the annular track 25, and a transverse branch 27 parallel to the axis (x) and adapted to open above one of the rear wheels 7, 8.
• the second upper plate 18 has a shape complementary to that of the bottom wall 17 and:
• the dome 28 is pierced with four orifices 29-32 distributed radially around the axis of rotation (z) and aligned in pairs along two axes y1 and y2 substantially angularly offset with respect to the longitudinal axes of the radial branches. 26 lateral propulsion vents 22, 23.
• the rotary distributor 19 comprises, for its part, a cylindrical suction chamber 33 arranged to house the radial turbine 1 1, and provided with an upper feed opening 34.
• This suction chamber 33 also communicates with a radial propulsion duct 35 arranged so as to position itself in the continuity of the fixed propulsion vents 20-23 during the rotation of the rotary distributor 19.
• this propulsion duct 35 incorporates deflector members of the jet of water propelled by the rotation of the turbine 1 1, arranged at its mouth and adapted to generate a rotation of the rotary distributor 19.
• these deflector members consist of a convex boss 37 attached to one of the side walls of the propulsion conduit 35 and a concave wall 36 extending the other side wall of said propulsion conduit.
• the rotary distributor 19 further comprises, around the periphery of the suction chamber 33, a perforated annular radial wall 38, interrupted on the angular sector corresponding to the implantation of the duct. propulsion 35, said radial wall forming, in addition, with said suction chamber, the base of a dome 39 defining a feed chamber of the upper feed opening 34 of the suction chamber 33.
• This dome 39 further includes, externally, a conical central recess 40 for locking in translation the rotary distributor 19 by means of a pin 41 secured to the dome 28 so as to extend in said recess.
• This dome 39 also has two orifices 42,
• the rotary distributor comprises, finally, a radial annular belt 44 extending around the periphery of the base of the dome 39, adapted to be positioned on the annular track 25 of the lower plate 17.
• the cleaning apparatus also comprises means for indexing the angular position of the rotary distributor 19 adapted to allow the propulsion duct 35 to be positioned facing and in continuity with each of the fixed propulsion ports 20-23.
• indexing means comprise, in the first place, a lever 45 extending radially with respect to the axis of rotation (z), articulated about an axis 46 orthogonal to said axis of rotation (z), and provided with a latch-like end 45b adjacent to the peripheral zone of the annular belt
• the indexing means also comprise means for actuating the lever 45 comprising an electromagnet 47 provided with a finger 48 arranged parallel to the axis of rotation (z), in line with the end 45a of the lever 45 opposite the latch 45b, so as to cause a tilting of said lever leading to lowering the latch 45b during the power supply of said electromagnet.
• actuating means comprise, in addition, a spring 49 positioned under the arm of the lever 45 comprising the latch 45b, in order to cause a tilting of said lever leading to raise said latch in the absence of power supply of the electromagnet 45.
• indexing means comprise radial stop members 50-53 projecting from the periphery of the annular belt 44 of the rotary distributor 19, and positioned so as to define, each, one of the propulsion positions of said rotary distributor.
• the two arresting members 52, 53 defining the lateral propulsion positions of the rotary distributor 19 are located at the same height, along the axis of rotation (z), and offset, along this axis (z), by relative to the two stop members 50, 51 defining the longitudinal propulsion positions of said rotary distributor, which themselves are located at the same height. More precisely :
• the two arresting elements 52, 53 defining the lateral propulsion positions are adapted to intercept the latch 45b in the lowered position of the latter obtained during the power supply of the electromagnet 47,
• the two arresting members 50, 51 defining the longitudinal propulsion positions are adapted to intercept the latch 45b in the raised position of the latter obtained in the absence of power supply of the electromagnet 47.
• stop member 50 defining one of the longitudinal propulsion positions consists of the concave wall 36 acting as a deflector.
• the cleaning apparatus comprises a covering cover 54 of the cowling elements constituted by the lower plates 17 and upper 18.
• this cover 54 is provided with a handle 55 for gripping the cleaning apparatus for transport.
• This handle 55 extends further parallel to the axis (x) of rotation of the wheels 5-8, and is located at the rear portion of the cover 54, so as to form an additional support base of the cleaning apparatus, in the position of the latter shown in Figure 2 where it is placed edge for access to the filter tank 13.
• the rotation of the radial turbine 1 1 generated by the power supply of the centrifugal pump 10 causes the suction of the water inside the chamber suction 33 through channeling means materialized in the figure 5, comprising the conduits 16, and adapted to channel the water between the suction openings 14, 15 and the upper feed opening 34 of said suction chamber.
• the flow of water sucked into the suction chamber is propelled into the propulsion duct 35 in the form of a jet of propellant water causing, on the one hand, the rotation of the rotary distributor 19 due to the presence of the elements. deflectors 36, 37, and secondly the movements, longitudinal movements and pivoting, of the cleaning apparatus.
• the selection of the displacement sequences is carried out by programming the power supply means of the electromagnet 47 based in particular on the following general principles:
• a lack of power causes a longitudinal displacement in a direction of movement
• a power supply during a time t leads to the pivoting of the cleaning device of an angle function of t, in a direction of rotation function of the previous direction of longitudinal movement: the latch 45b is disengaged from the stop member 50 51 against which it is initially in abutment and remains in its lowered position in which it is then intercepted by one of the stop members 52, 53 defining one of the lateral propulsion positions (sequence of Figures 7a-7b-7c).
• a first sequence adapted for the cleaning apparatus to move in both directions over a length corresponding to one of the dimensions of the immersed surface, and at the end of which it pivots by an angle of 90 °,
• the supply flow rate of the suction chamber is independent of the filling rate and / or clogging of the filter tank 13.
• the amplitude of the pivoting remains constant regardless of this rate of filling and / or clogging and can be determined accurately.
• the cleaning apparatus may be provided with two lateral propulsion vents 22, 23 as described above, but also with a single lateral propulsion mouth. 22 or 23, two lateral propulsion vents 22 (or 23) each disposed at one end of the cleaner, on the same side of the latter, or even three or four lateral propulsion vents.
• a propellant water jet cleaning apparatus equipped with a simple centrifugal pump 10 thus realizes:

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Cleaning By Liquid Or Steam (AREA)

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• 2012
  • 2012-05-28 FR FR1254892A patent/FR2990975B1/fr not_active Expired - Fee Related
• 2013
  • 2013-05-28 EP EP13731370.6A patent/EP2855797B1/de not_active Not-in-force
  • 2013-05-28 WO PCT/FR2013/051185 patent/WO2013178935A1/fr active Application Filing
  • 2013-05-28 US US14/404,585 patent/US10494829B2/en not_active Expired - Fee Related

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