EP0468876B1 - Hydraulische Kehrvorrichtung für Schwimmbecken und dgl. - Google Patents

Hydraulische Kehrvorrichtung für Schwimmbecken und dgl. Download PDF

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Publication number
EP0468876B1
EP0468876B1 EP91402037A EP91402037A EP0468876B1 EP 0468876 B1 EP0468876 B1 EP 0468876B1 EP 91402037 A EP91402037 A EP 91402037A EP 91402037 A EP91402037 A EP 91402037A EP 0468876 B1 EP0468876 B1 EP 0468876B1
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EP
European Patent Office
Prior art keywords
casing
strainer
turbine
tube
rotor
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP91402037A
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English (en)
French (fr)
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EP0468876A1 (de
Inventor
Michael John Chandler
Original Assignee
Orset Christian Jean-Pierre
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Publication of EP0468876A1 publication Critical patent/EP0468876A1/de
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/14—Parts, details or accessories not otherwise provided for
    • E04H4/16—Parts, details or accessories not otherwise provided for specially adapted for cleaning
    • E04H4/1654—Self-propelled cleaners
    • 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
    • E04H4/1672—Connections to the pool water circulation system

Definitions

  • the present invention relates to a new scanning device for cleaning pools, in particular swimming pools.
  • the sweeping device of the invention is intended to move automatically over the bottom of the swimming pool while permanently ensuring a sweeping by friction at the same time as a suction of the impurities detached from the bottom.
  • US-A-3,229,315 discloses a hydraulic sweeping device for a swimming pool basin and the like in which a suction pump is provided for sucking water from the basin by a tube, the device comprising a housing open at its base and having two long sides and side sides, said housing being divided into two compartments by a partition delimiting the admission of an axial turbine whose rotor drives a shaft connected by a reduction and transmission mechanism to wheels mounted on the same support shaft of the housing whose compartment located downstream of the turbine is connected to the tube leading to the pump, an immersed float being connected to the housing.
  • the embodiment according to the prior document does not allow the housing to constitute an assembly in itself unstable, the housing is kept substantially vertical and without being able to turn so that the device can move on the bottom of a basin which that is the shape of this bottom and in particular when this bottom undergoes a slope break such as, for example, from "small bath” to "large bath” of a swimming pool.
  • all the wheels located on either side of the brushes are mounted on the same geometric axis parallel to one of the lateral sides of the housing, the float being immobilized relative to the housing, so that the two long sides are in an upright position when the scanner is stationary.
  • Fig. 1 is a schematic section of a basin comprising the scanning device of the invention.
  • Fig. 2 is an elevation, partially broken away, of the scanning device appearing in FIG. 1.
  • Fig. 3 is a section corresponding to FIG. 2 and view along line III-III of FIG. 4.
  • Fig. 4 is a cross section seen along line IV-IV of FIG. 3.
  • Fig. 4a is a partial section, on a larger scale, of a detail of embodiment appearing in FIG. 4.
  • Fig. 5 is a section seen along the line V-V of FIG. 3, illustrating a particular embodiment of a filtering screen which the device comprises.
  • Fig. 6 is a schematic plan view, taken along the line VI-VI of FIG. 2.
  • Fig. 7 is an exploded perspective illustrating, on a larger scale, a turbine assembly appearing in particular in FIGS. 2 and 3.
  • Fig. 8 is a section similar to FIG. 2 of a variant.
  • Fig. 9 is a partial section, on a larger scale, of a part of the device in a characteristic position.
  • Fig. 10 is a section similar to FIG. 3 of a variant.
  • Fig. 1 illustrates a basin 1, for example a swimming pool, the bottom of which has, for example, a flat part 1 a and an inclined part 1 b .
  • planar portions 1 a and 1 b are both connected to two upright walls substantially vertical.
  • the basin 1 comprises a treatment installation 4 well known in the art of water treatment, this installation being in particular provided with filters in which the water is caused to circulate under the action of at least one pump 5 to which water is supplied by a tube 6 connected to the scanning device.
  • the scanning device comprises a housing 8 which is hollow, open at its base, and which contains members described in the following.
  • the housing 8 is connected to the tube 6 by an outlet nozzle 9 and a sleeve 10.
  • connection between the housing and the tube 6 is made so that the housing 8 can rotate freely relative to the tube 6 which must also be flexible.
  • the external wall of the outlet nozzle 9 can be corrugated, as can the external wall of the tube 6, and the internal ends of the sleeve 10 can have rods 11 and 12 entering grooves in the tube 6 and the nozzle 9, so that the sleeve 10 can rotate freely, both with respect to the outlet nozzle 9 and with respect to the tube 6, which can itself rotate freely with respect to said nozzle 9.
  • the box 8 delimits two long sides 8 a , 8 b connected by lateral sides 13 a , 13 b meeting at a so-called upper side 13.
  • the lateral sides 13 a , 13 b support a shaft 14 for wheels 15, 16 which protrude beyond said lateral sides 13 a , 13 b .
  • the housing 8 When the scanning device is in operation, the housing 8 is maintained in a position for which it is vertical or forms small angles (FIG. 1) less than 25 °.
  • the device To keep the box 8 in a substantially vertical position, the device provides a float 17 which is connected to the box 8 preferably by means of the tube 6.
  • the float 17 is in the form of an annular housing delimiting a central opening 18 of diameter slightly greater than that of the tube 6 and in which protrude from the connecting means 19, for example lugs of flexible material which can be introduced into the grooves of the annular tube 6 in order to immobilize the float at a suitable location relative to the position of the housing 8. In this way, the device for scanning can be maintained in a substantially vertical position even when it is moved on the inclined part 1 b .
  • the interior of the float 17 is filled with plastic foam 20 or the like.
  • the interior of the housing 8 delimits a chamber 21 divided into two compartments 21 a , 21 b by a partition 22.
  • Figs. 2 and 7 show that the partition 22 delimits a sheath 23 connecting the two chambers 21 a , 21 b .
  • the sheath 23 contains the body 24 of the stator 25 of a rotor turbine 26, the inlet of which is thus formed by the opening of said sheath 23.
  • the drawing shows that the body 24 has a shape of revolution and ends in rings 24 a , 24 b engaged in friction in the sheath 23 to be immobilized there.
  • the stator 25 has fixed guide vanes 25 a and it contains a thrust bearing 27 (fig. 3) bearing against the turbine or rotor 26.
  • the turbine or rotor 26 which is of the axial type, is carried by a shaft 28 on which a rotor 26 is wedged angularly.
  • stator 25 as the rotor 26 are made of plastic, while the shaft 28 and the thrust bearing 27 are preferably made of metal.
  • the bearing is inserted in the stator 25 to be protected, as a result, from impurities which may pass through the turbine 25, 26 during the operation of the device.
  • the assembly described above means that the turbine or rotor 26 is centered by the stator 25 which is itself centered in the sheath 23, which ensures perfectly smooth operation, particularly when the shaft 28 is made of a plastic material. example in polyamide having a certain flexibility to compensate for possible minor alignment defects.
  • the drawing shows that the shaft 28 drives a reduction and transmission mechanism 29, the output gear 29a of which is stalled or otherwise connected to the shaft 14 for driving the wheels 15, 16.
  • the gear unit 29 is housed in the housings 30, 30 is attached to the lateral side 13b of the housing 8, for example, by means of screws 31 that can, like the other parts of the device, be made of plastic.
  • the compartment 21b of the chamber 21 contains a filtering screen 32 the front face 33 of which completely closes the free side of the housing 8, that is to say the face 33 extends from one to the other lateral sides 13 a , 13 b by marrying the casing 30 a , which is illustrated in FIG. 3.
  • the front face 33 of the filter screen (32) is formed from a plate 34 forming a cover for closing the compartment 21 b .
  • the plate 34 and the front face 33 are formed in one piece with a perforated wall 36 shaped to approximate the sides of the housing 8 and the partition 22 delimiting the compartment 21b.
  • the perforated wall 36 is connected, like the front face 33, to a removable bottom 37.
  • the removable bottom 37 is constituted by a plate having fingers 38 engaged in holes in the front face 33, said bottom 37 being, moreover, held in the perforated wall 36 by means of a tab 39 forming a lock.
  • the lug 39 is flexible and, on the other hand, that slots 40 (FIG. 3) are made in the perforated wall 36 so that the latter is itself elastically deformable.
  • the filtering screen 32 delimits an internal cavity 41 which communicates with the compartment 21b through the perforations of the perforated wall 36.
  • the internal cavity 41 further communicates with the outside by means of a valve 42 carried by the front face 33, this valve being constituted, for example, by an elastic blade of elastomer or similar material.
  • the redents 44 are intended to be engaged below the long side 8b of the housing 8 (fig. 2) while the redent 43 is intended to be engaged below a strip 45 projecting from the partition 22, which is illustrated in particular by fig. 4 which shows, as well as FIG. 4 a , that the cover plate 34 abuts against the projecting end 131 of the lateral sides 13 a, 13 b when said cover is in place.
  • the device is provided, at its lower part, with a scanning unit 46.
  • the scanning unit 46 comprises two crosspieces 47 connected by bars 48, preferably ballasted as shown at 48 a .
  • the bars 48 support brushes 49.
  • One of the bars 48 is engaged in a notch 50 on the long side 8 a of the housing 8.
  • the other bar 48 is provided with fingers 51 engaged in notches 52 on the lateral sides 13 a , 13 b of the housing 8 to be held locked by the cover 34 when the latter is in place.
  • the width of the notches 50 and 52 is notably greater than the corresponding part of the bars 48 and fingers 51 so that the scanning unit 46 can play and be moved by a relatively large amplitude, for example up to 5 mm from the housing 8.
  • the length of the brushes 49 is chosen taking into account the position of the wheels 15, 16, so that one of them is always in abutment against the ground whatever the angular position that the scanning device can occupy relative to the flat or inclined parts of the pelvis 1.
  • the device includes an adjustment valve 53 (fig. 3) which can be controlled from a head 54 (fig. 2) to establish a possible passage between the compartments 21 a , 21 b of the housing 8.
  • Fig. 3 shows that the adjustment valve 53 is constituted by a key arranged in a housing 55 of the partition 22.
  • the scanning device described above operates as follows: When the pump 5 is in operation, water is drawn in through the tube 6, which produces a vacuum in the compartment 21 a of the housing 8.
  • the housing 8 is open only at its lower part between the brushes 49, that is to say by the passage left free between the bars 48.
  • the water in the basin can only be aspirated by lifting the valve 42 by which it enters the internal cavity 41 of the filter screen 32.
  • the impurities are retained in the cavity 41, the water passing through the perforated wall 36 and thus being led to the inlet, therefore to the guide vanes 25 a of the stator 25 of the turbine.
  • the current of circulating water drives the turbine rotor 26 and is then returned to the nozzle 9, to the tube 6, to the pump 5 and to the treatment installation 4.
  • the rotation of the turbine 26 has the effect of driving the shaft 28 whose movement is increased by the reduction and transmission mechanism 29 which drives the output gear 29 a and, consequently, the shaft 14 and the wheels 15, 16.
  • the rotation of the wheels 15, 16 has the effect of displacing the whole of the sweeping device 7 on the bottom of the basin, at least one of the brushes 49 rubbing the bottom and detaching, consequently, the impurities which are sucked in and retained in the cavity 41 of the filter screen 32.
  • ballast 48 a with which the bars 48 are provided ensures an appropriate application of the brushes on the ground and this without this resulting in losses of adhesion of the wheels 15, 16 since the scanning unit 46 can play relative to the housing 8 to which it is connected by the bars 48 and the walls of the notches 50 and 52.
  • the sweeping device can be easily cleaned by removing it from the basin 1 and dismantling it. As illustrated in fig. 4, it is necessary firstly to slightly lift the lid plate 34 so that it escapes from the projecting end 131 of the lateral sides 13 a, 13 b.
  • steps 44 are released respectively from the strip 45 and the large side 8b , which allows to rotate the whole of the filter screen 32 as illustrated in FIG. 4 to extract it from compartment 21 b .
  • the fingers 38 can be removed so that the bottom 37 is removed and the impurities retained inside the filter screen 32 can be removed.
  • the entire turbine can be dismantled by exerting a pressure on the turbine rotor 26, for example by acting with a finger of the hand in the direction of the arrow in FIG. 7.
  • the housing 8 is open on each of its two lateral sides 81, 82.
  • the housing 8 receives a cover 57 fixed by interlocking and retained by snap-fastening, friction or other means of the technique.
  • the cover 57 supports the filter screen 32 which is simply fitted inside the housing 8 and the part of which perforated is shaped to be compatible with the internal shape of the housing 8 and of the partition 22.
  • the filter screen 32 is also fitted into the cover 57 and this filter screen has no bottom.
  • the housing 8 comprises a bottom 8 'which is provided with two flaps 42 a, 42 b arranged facing the inlet ducts 58, 59 formed by baffles 58 a, 58 b and 59 a, 59 b housing.
  • the above deflectors delimit the inlet conduits 58, 59 arranged above two sets of brushes 49 a , 49 b produced as described with reference to the preceding figures as regards the brush 49.
  • the wheel 60 is of slightly smaller diameter than that of the wheels 15, 16. In this way, the wheel 60 does not constantly bear on the bottom of the basin but if it happens that an obstacle, for example a strainer protruding from the bottom of the basin, is on the trajectory of the links 49 a , 49 b , then the wheel 60 coming to strike the obstacle can roll on this one by driving the whole of the scanning device which could otherwise be immobilized if one of the wheels 15 or 16 was raised and this wheel is precisely a driving wheel.
  • an obstacle for example a strainer protruding from the bottom of the basin
  • the open lateral side 82 of the casing 8 receives by interlocking a nozzle 61 which is itself fitted into a housing 62 which delimits a cover 63 which is, on the one hand, fitted onto the nozzle 61 and, on the other hand, connected to the housing 8 by lugs 64 or other similar members.
  • the nozzle 61 fitted into the opening 8b of the housing 8 is also fitted into the sheath 23 formed by the partition 22.
  • the sheath 23 and the nozzle 61 support the body 24 containing the stator 25 and the guide vanes 25 a for directing the water to drive the rotor of the axial turbine 26.
  • the rotor of the axial turbine 26 is supported by the shaft 28 with respect to which it can rotate and slide freely contrary to what is described with reference to the previous figures.
  • the shaft 28 carries a sleeve 65 which is rigidly connected to it so that said sleeve 65 is integral in rotation with the shaft 28 and a helical spring 66 is interposed between the sleeve 65 and the axial turbine rotor 26.
  • the direction of rotation of the turbine 26 and the direction of winding of the helical spring 66 are preferably the same.
  • the helical spring 66 pushes on the turbine 26 to tend to hold it against the thrust bearing 27 (fig. 9) and it is fixed, on the one hand, to said turbine and, on the other hand, to the sleeve 65 by each of its ends.
  • the sleeve 65 which passes through the bottom 62 a of the housing 62, is connected by a pinion 67 to the reduction gear 29 described in the foregoing.
  • the elements which constitute the nozzle 61, the body 24, the turbine 25, 26 and the cover 63 which contains the reducer 29 constitute an assembly which can be easily assembled and disassembled and which is, therefore, interchangeable. Furthermore, this set is itself easily removable since the nozzle 61 is fitted into the cover 63, which makes possible an easy possible cleaning of the turbine rotor 26 and of the blades 25 a of the stator 25 as well as of the other parts, for example the spring 66.
  • suction tube 6 can be connected to a pump 5 of very variable power without there being any need to make any adjustment to the device.
  • the suction power when the suction power is low, the water having passed through the filtering screen 32 passes between the guide vanes 25 a and then rotates the axial turbine rotor 26 which transmits this rotational movement by the spring 66 to sleeve 65 and, consequently, the reduction gear 29, so that the shaft 14 of the wheels 15, 16, 60 is driven.
  • the filter screen 32 includes a solid bottom surface 33 which closes the open side of the housing 8 as in FIG. 3.
  • the filter screen 32 is shaped to delimit an internal channel 70 which, preferably, is delimited by a U-shaped partition 71 made in a single piece with the bottom surface 33 and the rear wall 33 a of the filter screen 32.
  • the channel 70 is open at its end opposite the rear wall 33 a to communicate with the interior of the cover 57 and the interior of the filter screen 32.
  • the bottom surface 33 is provided with valves 42 a , 42 b similar to those described in the foregoing, valves which open in said channel 70.
  • the filtering screen 32 is open on its lateral side which corresponds to the lateral side 81 of the housing 8 in which it is engaged and retained by friction or snap-fastening or another removable means of the technique.
  • the cover 57 is removed and the filter screen 32 extracted from the housing 8 to be lifted.
  • the reduction and transmission mechanism 29 can be provided with a gear reverser triggered when the housing 8 strikes an obstacle or as a function of another parameter.
  • one of the wheels 16 or 17 can be driven via a free wheel or a torque limiter to allow the housing 8 to pivot when it strikes an obstacle.
  • the freewheeling mechanisms, as well as the reversing mechanisms being well known in themselves, it did not appear useful to represent them, or to describe them in detail.

Claims (28)

  1. Hydraulische Kehrvorrichtung für Schwimmbecken und dgl., wobei eine Saugpumpe (5) zum Ansaugen von Wasser aus dem Becken durch ein Rohr (6) vorgesehen ist, bestehend aus einem Gehäuse (8), das an seiner Unterseite offen ist und zwei Längsseiten (8a, 8b) sowie Nebenseiten (13a, 13b) aufweist, wobei das Gehäuse zwei Kammern (21a, 21b) umfaßt, die durch eine Trennwand (22) abgeteilt sind, die die Zuführung zu einer Axialturbine (25) begrenzt, deren Rotor (26) eine Welle (28) antreibt, die über eine Reduzier- und Transmissionseinrichtung (29) mit Rädern (15, 16) verbunden ist, die auf einer gemeinsamen Achse (14) zur Unterstützung des Gehäuses montiert sind, dessen Kammer (21a) stromabwärts der Turbine (25, 26) mit dem zur Pumpe (5) führenden Rohr (6) in Verbindung steht, wobei ein untergetauchter Schwimmer (17) mit dem Gehäuse (8) verbunden ist, dadurch gekennzeichnet, daß alle Räder, die auf beiden Seiten des Kehrbesens (49) angeordnet sind, auf einer gemeinsamen geometrischen Achse montiert sind, die parallel zu einer der Nebenseiten des Gehäuses verläuft, und daß der Schwimmer gegenüber dem Gehäuse unverlagerbar ist, derart, daß die beiden Längsseiten eine vertikale Position einnehmen, wenn die Kehrvorrichtungsich nicht bewegt.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Räder (15, 16) über die Nebenseiten (13a, 13b) hinaus vorspringen.
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Schwimmer ein ringförmiges Gehäuse aufweist, in dessen Öffnung (18) das Rohr (6) befestigt ist.
  4. Vorrichtung nach Anspruch 1, gekennzeichnet durch ein Filtersieb (32), das im Gehäuse (8) stromaufwärts von der Zuführung zur Turbine (25, 26) angeordnet ist.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß das Filtersieb (32) ähnlich gestaltet ist wie die von dem Gehäuse (8) und der Trennwand (22) stromaufwärts der Axialturbine (25, 26) begrenzte Kammer (21b), wobei das Filtersieb (32) von einer Scheibe (34) getragen ist, die einen Boden für das Gehäuse (8) bildet, mit dem die Scheibe abnehmbar durch Einpassung verbunden ist.
  6. Vorrichtung nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, daß das Filtersieb (32) einen entfernbaren Boden (37) aufweist, der Zugang zu einer von diesem begrenzten inneren Hohlraum (41) bietet.
  7. Vorrichtung nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, daß das Filtersieb (32) mit einer vorhergehenden Fläche (33) versehen ist, welche die Unterseite des sie enthaltenden Gehäuses (8) versperrt, wobei die vorhergehende Fläche (33) eine Klappe (42) trägt.
  8. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß das Filtersieb (32) von einem Sieb gebildet ist, das dem Inneren des Gehäuses (8) und der die beiden Kammern (21a, 21b) voneinander trennenden Trennwand (22) angepaßt ist, wobei das Filtersieb (32) in das Gehäuse und in einen Deckel (57) eingefügt ist, der seinerseits auf eine der Nebenseiten (8₁) des Gehäuses (8) aufgesetzt ist, derart, daß das Filtersieb (32) und der Deckel (57) eine abnehmbare Einheit bilden.
  9. Vorrichtung nach einem der Ansprüche 4 oder 8, dadurch gekennzeichnet, daß das Filtersieb (32) einen geschlossenen Boden (33) zum Verschließen des Gehäuses (8) trägt und eine Leitwand (71) über diesem Boden angeordnet ist, um einen Kanal (70) abzugrenzen, der an einem Ende durch eine Seitenwand (33a) des Filtersiebs (32) geschlossen ist, wobei der Kanal (70) in einen Deckel (57) mündet, der eine der Nebenseiten des Gehäuses (8) verschließt und das Filtersieb (32) enthält, wobei der geschlossene Boden (33) des Filtersiebs (32) ferner Klappen (42, 42a, 42b) für den Wasserdurchtritt in die Richtung aufweist, in die das Wasser durch den Kanal (70), den Deckel (57), das Filtersieb (32), die Turbine (25, 26) und das zur Pumpe (5) führende Rohr (6) angesaugt wird.
  10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß der Kanal (70) durch eine u-förmige Leitwand (71) begrenzt ist, die einstückig mit dem geschlossenen Boden (33) des Filtersiebs (32) ausgebildet ist.
  11. Vorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß der Boden (8') des Gehäuses (8) Ablenkflächen (58a, 58b, 59a, 59b) aufweist, welche die Eintrittskanäle (58, 59) begrenzen, die zu den Klappen (42a, 42b) führen, die in das Filtersieb (32) öffnen.
  12. Vorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß das Gehäuse (8) an seiner Unterseite eine Kehreinheit (46) mit Kehrbesen (49) trägt, die gleichzeitig mit den Rädern (15, 16) des Gehäuses (8) am Boden angreifen.
  13. Vorrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Räder (15, 16) beiderseits des Gehäuses (8) angeordnet sind.
  14. Vorrichtung nach Anspruch 12 oder 13, dadurch gekennzeichnet, daß im mittleren Bereich der Achse (14) der Räder (15, 16) ein drittes Rad (60) vorgesehen ist.
  15. Vorrichtung nach Anspruch 14, dadurch gekennzeichnet, daß das Rad (60) zwischen den Rädern (15, 16) einen kleineren Durchmesser als die letzteren aufweist.
  16. Vorrichtung nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß die Kehreinheit (46) mit Spiel mit dem Gehäuse (8) verbunden ist.
  17. Vorrichtung nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, daß die Kehreinheit (46) mit Bügeln (48) versehen ist, von denen einer mit Spiel in eine Aussparung (50) der Wand des Behälters eingreift und der andere über Zapfen (51) angeschlossen ist, die mit Spiel in Aussparungen (52) des Gehäuses eingreifen, wobei die Zapfen (51) durch den Deckel (34) des Gehäuses (8) zurückgehalten werden.
  18. Vorrichtung nach einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, daß die Turbine einen Stator (25) mit Leitschaufeln (25a) aufweist, die im Inneren eines Körpers (24) angeordnet sind, der reibungsschlüssig in eine Zylinderbüchse (23) eingreift, die von der Trennwand (22) getragen wird, welche die Kammern (21a, 21b) des Gehäuses (8) voneinander trennt.
  19. Vorrichtung nach einem der Ansprüche 1 bis 18, dadurch gekennzeichnet, daß der Stator (25) der Turbine im Sinne der Wasserströmung durch das Innere des Gehäuses (8) stromaufwärts vom zugehörigen Rotor (26) angeordnet ist, wobei der Rotor (26) der Turbine (25, 26) auf einer Welle (28) montiert ist, mit der der Rotor winkelmäßig verkeilt ist, und die Welle (28) eine Reduziereinrichtung (29) an der Seite des Gehäuses (8) antreibt.
  20. Vorrichtung nach einem der Ansprüche 1 bis 19, dadurch gekennzeichnet, daß die Zylinderbüchse (23), die den Körper (24) der Turbine (25, 26) aufnimmt, eine Aussparung (56) für die Demontage der Turbine aufweist.
  21. Vorrichtung nach einem der Ansprüche 1 bis 20, dadurch gekennzeichnet, daß eine Klappe (53) zum Regeln in der Trennwand (22) angeordnet ist, um eine Bypass-Strömung in Abhängigkeit vom durch die Pumpe (5) hervorgerufenen Unterdruck zu erhalten.
  22. Vorrichtung nach einem der Ansprüche 1 bis 21, dadurch gekennzeichnet, daß der Stator (25) und der Rotor (26) der Axialturbine (25, 26) in einer Zylinderbüchse (23) angeordnet sind, die in einem Saugstutzen (61) montiert ist, die in eine Nebenseite des Gehäuses und in einen Deckel (57) eingesetzt ist, der die Reduziereinrichtung (29) enthält, wobei die Anordnung aus dem Saugstutzen (61) und dem Deckel (57) eine austauschbare Einheit bildet.
  23. Vorrichtung nach einem der Ansprüche 1 bis 22, dadurch gekennzeichnet, daß der Rotor (26) der Turbine translatorisch frei beweghar auf der Welle (28) zum Antreiben der Reduziereinrichtung (29) für die Achse (14) der Räder montiert ist und daß eine Druckfeder am Rotor (26) der Turbine (25, 26) angreift, derart, daß der Rotor (26) auf der Welle (28) in Abhängigkeit von dem Druck verlagerbar ist, der auf ihn durch das von der Pumpe (5) angesaugte Wasser einwirkt, wodurch ein veränderbarer Ablauf zwischen dem Stator (25) und dem Rotor (26) geschaffen ist.
  24. Vorrichtung nach Anspruch (23), dadurch gekennzeichnet, daß der Rotor (26) frei drehbar auf der Welle (28) montiert ist, daß die Feder (66) eine auf die Welle gewickelte Schraubenfeder ist und daß die Enden der Feder (66) einerseits am Rotor (26) und andererseits an einer Muffe (65) befestigt sind, die mit der Reduziereinrichtung (29) verbunden ist.
  25. Vorrichtung nach einem der Ansprüche 1 bis 24, dadurch gekennzeichnet, daß das Gehäuse (8) mit dem Rohr (6) über ein Verbindungsteil (10) verbunden ist, das eine Drehung des Gehäuses (3) gegenüber dem Rohr zuläßt.
  26. Vorrichtung nach einem der Ansprüche 1 bis 25, dadurch gekennzeichnet, daß der mit dem Gehäuse (8) verbundene Schwimmer (17) das Gehäuse in einer solchen Stellung hält, daß wenigstens eine der Kehrbesen (49) der Kehreinheit (46) sich am Boden abstützt.
  27. Vorrichtung nach einem der Ansprüche 1 bis 26, dadurch gekennzeichnet, daß der Schwimmer (17) an dem zur Pumpe (5) führenden Rohr montiert ist.
  28. Vorrichtung nach einem der Ansprüche 1 bis 27, dadurch gekennzeichnet, daß das Rohr (6) ein wellförmiges Rohr ist und daß der Schwimmer (17) auf das Rohr aufgefädelt und unter Reibung mit diesem durch Verbindungsmittel in Form von Lappen aus weichem Material verbunden ist, die in die Nuten des Rohrs (6) eingreifen.
EP91402037A 1990-07-25 1991-07-23 Hydraulische Kehrvorrichtung für Schwimmbecken und dgl. Expired - Lifetime EP0468876B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9009511A FR2665209A1 (fr) 1990-07-25 1990-07-25 Dispositif de balai hydraulique pour bassin de piscine et analogue.
FR9009511 1990-07-25

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EP0468876A1 EP0468876A1 (de) 1992-01-29
EP0468876B1 true EP0468876B1 (de) 1995-02-15

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US (1) US5172445A (de)
EP (1) EP0468876B1 (de)
AT (1) ATE118586T1 (de)
AU (1) AU643808B2 (de)
CA (1) CA2047862A1 (de)
DE (1) DE69107364D1 (de)
FR (1) FR2665209A1 (de)
ZA (1) ZA915833B (de)

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US8753520B1 (en) 2012-12-19 2014-06-17 Crystal Lagoons (Curacao), B.V. Localized disinfection system for large water bodies
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Also Published As

Publication number Publication date
CA2047862A1 (en) 1992-01-26
AU8131491A (en) 1992-01-30
DE69107364D1 (de) 1995-03-23
FR2665209A1 (fr) 1992-01-31
AU643808B2 (en) 1993-11-25
ZA915833B (en) 1992-04-29
US5172445A (en) 1992-12-22
EP0468876A1 (de) 1992-01-29
ATE118586T1 (de) 1995-03-15

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