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EP0970753B1 - Méthode de régler le façon de distribution d'eau d'un arroseur et arroseur - Google Patents

Méthode de régler le façon de distribution d'eau d'un arroseur et arroseur Download PDF

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Publication number
EP0970753B1
EP0970753B1 EP99112625A EP99112625A EP0970753B1 EP 0970753 B1 EP0970753 B1 EP 0970753B1 EP 99112625 A EP99112625 A EP 99112625A EP 99112625 A EP99112625 A EP 99112625A EP 0970753 B1 EP0970753 B1 EP 0970753B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
cross
section
outlet
sprinkler
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99112625A
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German (de)
English (en)
Other versions
EP0970753A2 (fr
EP0970753A3 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gardena Manufacturing GmbH
Original Assignee
Gardena Manufacturing GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gardena Manufacturing GmbH filed Critical Gardena Manufacturing GmbH
Publication of EP0970753A2 publication Critical patent/EP0970753A2/fr
Publication of EP0970753A3 publication Critical patent/EP0970753A3/fr
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Publication of EP0970753B1 publication Critical patent/EP0970753B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/0417—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet comprising a liquid driven rotor, e.g. a turbine
    • B05B3/0432—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet comprising a liquid driven rotor, e.g. a turbine the rotation of the outlet elements being reversible
    • B05B3/0438—Tubular elements holding several outlets, e.g. apertured tubes, oscillating about an axis substantially parallel to the tubular element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
    • B05B15/528—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles by resilient deformation of the nozzle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S239/00—Fluid sprinkling, spraying, and diffusing
    • Y10S239/01—Pattern sprinkler

Definitions

  • the invention relates to a method for adjusting the sprinkler image of a sprinkler, in particular a square sprinkler, and a sprinkler, according to the preamble of claim 1 or 5.
  • a method and such a device is made US 5,323,963 known.
  • Irrigation devices are mainly used in the garden area for area-wide water supply of plant areas, but can also be used for moistening other areas, such as wet sand tennis courts o. The like., Can be used.
  • a generic sprinkler is normally set up stationary, connected to a water supply, and produces a sprinkler image that determines the shape and size of the sprinkled surface as well as the irrigation density. For a variable use of such irrigation devices, it is desirable to be able to adjust the sprinkler image in order to adapt the irrigation device to the intended use.
  • Generic irrigation devices have a to a liquid supply, in particular water supply, connectable nozzle assembly with a plurality of nozzles, each of which has a nozzle inlet facing the liquid supply, which is connected via a nozzle channel to a nozzle outlet spaced from the nozzle inlet.
  • the nozzle arrangement is a one- or multi-dimensional array of nozzles with substantially fixed relative positions. Since a specifiable irrigation area is to be moistened in the case of generic sprinkler devices, spraying of the nozzles is expediently to be avoided since fine water particles can easily be blown by the wind.
  • a nozzle is therefore preferably designed as a single jet nozzle for dispensing a bundled liquid jet.
  • a slider is displaceable inside a nozzle box in the longitudinal direction of the box, whereby the nozzles can be shut down successively from one side.
  • the adjustment possibilities of this quadrangular sprinkler are very limited.
  • the invention has for its object to avoid the disadvantages of the prior art.
  • a permanently functionally reliable irrigation device is to be created with which a variable adjustment of the sprinkler image is possible.
  • the invention proposes a method according to claim 1 and a sprinkler according to claim 5.
  • the liquid flow is adjusted to adjust the sprinkler image in at least one nozzle influenced by the nozzle by a nozzle channel cross-section of the nozzle channel is changed in at least one cross-sectional change portion.
  • sealing problems can be avoided, which arise especially in calcareous water, when form in the area of the nozzle inlets, but in particular associated with the ambient air nozzle outlets, limescale that complicate or prevent complete sealing of a nozzle opening and possibly at certain intervals make descaling of the sprinkler necessary.
  • the cross-sectional change section is located, preferably substantially centrally, between the nozzle inlet and nozzle outlet and, correspondingly, the cross-sectional change in the intermediate region between the nozzle inlet and nozzle outlet is made.
  • the nozzle channel cross section in the region of the nozzle inlet and / or the nozzle outlet remains substantially unchanged, so that there are unchanged geometric conditions at the nozzle both for the inflow of the liquid, and for the outflow or blasting. Nozzle inlet and nozzle outlet can thus be designed for optimum fluid management, without this design being influenced by the adjustment process.
  • the nozzle channel cross section can be changed in stages, i. be reduced or increased.
  • the change is continuous or continuous, whereby the strength of the liquid flow through a nozzle can be sensitively adjusted. Normally, it is so that the nozzle channel cross section is reduced to the liquid-tight shut-off of the nozzle channel or is increased to the predetermined by the nozzle geometry largest passage cross-section.
  • cross-section closure or shut-off members such as slides o.
  • the cross-sectional change section which may be delimited in particular by an elastically flexible wall, is compressed during the adjustment by force acting transversely to the nozzle channel with reduction in cross-section or widening under cross-sectional enlargement.
  • a preferably provided liquid-tight, flexible wall at least in the cross-sectional change section provides without design effort for a liquid-tight nozzle channel, which is open only on inlet and outlet side and in which no lateral fluid losses can occur even at elevated fluid pressure.
  • the cross-sectional change section is compressed symmetrically with respect to the nozzle channel during the adjustment, in particular from two diametrically opposite directions to the nozzle channel, preferably perpendicular to the longitudinal direction of the nozzle channel.
  • a symmetrical compression evenly distributes the mechanical stress to the wall of the cross-sectional change section.
  • a sprinkler suitable in particular for carrying out the method has at least one of a liquid supply connectable nozzle arrangement of the type described and an adjusting device for selectively adjusting the liquid discharge of individual nozzles or nozzle groups of the nozzle assembly. It is characterized in that at least one nozzle has at least one cross-sectional change portion in which the cross-section of the nozzle channel is changeable, and in that the adjusting device has cross-section changing means engaging the cross-sectional change portion. Typically, multiple or all nozzles of the nozzle assembly have one or more such cross-sectional change sections.
  • the nozzles which are preferably designed as single-jet nozzles, are preferably arranged in a regular distribution, wherein preferably adjacent nozzles are arranged at substantially equal distances from each other.
  • the nozzle assembly is a single, especially rectilinear nozzle row.
  • the nozzles are present in a two-dimensional, preferably flat field, for example a double row or multiple row, or in a three-dimensional arrangement.
  • the nozzle arrangement can be movable as a whole, preferably oscillating periodically, for example, around a pendulum axis running parallel to a row of nozzles.
  • the cross-sectional change section of a nozzle may preferably be arranged between the nozzle inlet and the nozzle outlet, in particular approximately midway between the nozzle inlet and the nozzle outlet. This makes it possible to leave the nozzle in the inlet area and outlet area with respect to. Position and / or shape unchanged during the adjustment, whereby the beam direction does not change during the adjustment, but only the intensity of the beam is changed.
  • a first holding device with inlet passage openings formed, for example, by a liquid supply housing of the apparatus.
  • a arranged at a distance to this second holding device which may be formed in particular by a strip-shaped holder, can record in the outlet passage openings the nozzle outlets fixed.
  • the cross-sectional change means in particular the clamping slide, held and possibly guided.
  • a nozzle may have, at least in the area of the cross-sectional change section, a wall of elastically flexible material that is at least partially, preferably completely enclosing, which is compressible by external force, preferably transversely, in particular perpendicular to the course of the nozzle channel, and due to its elasticity without separate return means resets itself when the external force is withdrawn or eliminated.
  • the nozzle On one or both sides of the compressible cross-sectional change section, the nozzle may be substantially rigid and / or possibly made of a different material than in the cross-sectional change section.
  • a particularly expedient, simple construction results when a nozzle has a preferably one-piece nozzle body made of an elastically flexible, in particular rubber-like material, on which the nozzle inlet, the nozzle outlet, the nozzle channel and the cross-sectional change section are formed.
  • the nozzle arrangement has at least one continuous, preferably band-shaped nozzle arrangement body made of elastically flexible material, to which a plurality, preferably all nozzle bodies of the nozzle arrangement are preferably arranged in one piece.
  • the preferably a nozzle row forming nozzle band can be sealed in such a tubular body, for example, the body of the liquid supply can be used, that the nozzle projections protrude through corresponding wall openings of the housing to the outside.
  • the cross-sectional change means may engage.
  • the cross-sectional altering means of a preferred embodiment comprises at least one clamping means for clamping a cross-sectional reduction compressible cross-sectional change portion of a nozzle.
  • a clamping can be achieved for example by pliers or screw-like actuators or by rotating an elastic nozzle around its nozzle axis.
  • a clamping device for a nozzle has at least one, preferably in a clamping direction transversely to the nozzle channel displaceable, clamping slide. This can, for example, press the cross-sectional change portion against a fixed stop and thereby disconnect or pinch.
  • a clamping slide preferably has a clamping opening enclosing the associated cross-sectional change section, through which the nozzle body protrudes and whose inside width changes parallel to the clamping direction such that when the slide moves in the clamping direction the cross-sectional change section, preferably from two diametrically opposite sides, is squeezable.
  • a separate, preferably manually operable cross-sectional change means in particular a clamping slide, is provided for each of the adjustable nozzles, there is the possibility of individual selection of nozzles for blocking or release, whereby the sprinkler image can be adjusted to a great extent individually by the user. It is also possible to combine individual nozzles by a common cross-sectional change means to an adjustable nozzle groups.
  • clamping slide can be arranged so displaceable perpendicular to the row of nozzles that even for closely adjacent nozzles or nozzle groups an individual adjustment is possible.
  • nozzles must be adjustable, but it can, for example, only marginal nozzles or nozzle groups of a row of nozzles be adjustable. For example, can be reduced in total by pinching edge nozzles the wetted area. By clamping individual nozzles in spaced positions, the area flare can be thinned out. If only the reduction of the wetted surface should be of importance, then means for changing the cross section, in particular clamping, can also be provided only at marginal nozzles or nozzle groups.
  • FIG. 1 shows a longitudinal section along a vertical plane through an embodiment of a sprinkler device 1 designed as a square sprinkler.
  • a tubular plastic sprinkler housing 2 (FIG. 3), which is substantially round in cross-section and flattened on its upper side, is rotatably mounted about its longitudinal axis 4 in a base 3, which is easily recognizable in FIG. 2, and via a water-driven drive 5 (not shown) oscillating about the longitudinal axis 4 and reciprocating.
  • the sprinkler 1 can drive side via a threaded coupling 9 and a hose, not shown, or The like can be connected to a pump or directly to the public water network.
  • a nozzle assembly 6 is arranged in the form of a straight row of nozzles with eighteen in the longitudinal direction of the row of nozzles substantially uniformly spaced apart individual nozzles 7.
  • Each of the nozzles 7 is formed as a single jet nozzle for discharging a condensed water jet in a radiation direction 8 indicated by a broken line for some of the nozzles.
  • the quadrangular sprinkler 1 emits a diverging jet fan when water is fed under pressure into the interior of the housing 2 from a liquid supply (not shown), for example the public water network.
  • the nozzles 7 of the nozzle assembly 6 are formed integrally with the band on a continuous, band-shaped nozzle assembly body or nozzle band 10 made of rubber-elastic or similar elastically flexible material.
  • Each of the individual nozzles which are easily recognizable in FIG. 3 and are completely and homogeneously formed from the elastic material, has a nozzle inlet 11 which widens in a funnel shape towards the interior of the sprinkler housing and which narrows in the direction of flow and which points radially inwards around its inner periphery 4 Guide webs 12 for low-turbulence or low-turbulence water supply has.
  • nozzle channel 14 is an approximately centrally disposed between the nozzle inlet and nozzle outlet, then connecting directly to the upper end of the guide webs- Hder section 15 is provided, which is tapered substantially conically to the nozzle outlet inner cross section has, which smoothly merges into an outlet-side outer portion 16 having a substantially cylindrical inner cross-section.
  • the cylindrical inner cross section in the outer region 16 is expediently small in comparison to the length of the nozzle channel and is for example between about 5% and 20 or 30% of its length.
  • the outer contour of the nozzle tapers from the upper portion of the guide webs 12, starting approximately conically with slightly concave inwardly curved outer surfaces to an outlet side, approximately cylindrical outer cross section.
  • This shaping of the nozzle made of elastically flexible, rubbery material conditional that the wall thickness of the nozzle channel 14 surrounding, rotationally symmetrical to the nozzle axis 17 arranged elastically flexible wall in the middle section 15 above the guide webs 12 and below the cylindrical outer portion 16 is thinnest and continuously enlarged towards both open ends.
  • a cross-sectional change section 15 is created in the elongated course of the nozzle channel 14 in the direction of water flow between the nozzle inlet 11 and nozzle outlet 13, in which by force transverse to the longitudinal direction of the nozzle channel a clamping or constriction of the nozzle channel, possibly up to his complete seal, is possible.
  • both the nozzle outlet portion 16 and the nozzle inlet portion 11, both thicker than the cross-sectional change portion 15, remain substantially unchanged in shape.
  • the nozzles are self-retaining in the region of the nozzle inlets 11 from the interior of the sprinkler housing 2 into a series of inlet passage openings 20 on the flattened upper side of the housing 2 by means of barb-like, annular projections 21 and used self-sealing.
  • the position of holding the both outside, and inside substantially cylindrical Düsenauslress Schemee a designed as a straight cover strip 22, on the sprinkler housing 2 releasably secured second holding device is provided for the positionally stable holding in the in Fig. 3 is shown in cross-section of a circle segment with a flat top side, in which a number of outlet through-holes 23 is provided for holding the nozzle outlets fixed in position.
  • Each of the outlet passages 23, of which exactly one is provided for each nozzle, is substantially cylindrical and of diameter matched to the outer diameter of the nozzle outlet portion 16 so as to be held substantially free of play in the associated outlet passageway.
  • the cylinder axes of the guide holes or outlet passage openings 23 are not parallel to each other, but in a plane corresponding to the sectional plane of Fig. 1 tilted against each other such that their the radiation direction of the nozzle 8 determining longitudinal axes fan-like from Diverge housing 2 away.
  • This design allows a particularly simple installation of a sprinkler with fan-like sprinkler image.
  • the nozzles of the nozzle belt 10 may initially be all aligned the same when inserting the nozzle strip in the sprinkler housing, ie their outlet sections 16 may be parallel to each other. Only when installed can be obtained by bending the Düsenauslledgebecke 16 different, fanned beam directions. In the example shown, this is achieved in that the fan-apart diverging guide holes 23 of the cover strip 22 deflect the nozzle outlet 16 in the direction desired in each case.
  • the Outlet passage openings 23 have inwardly facing inlet sides or insertion sections 24, which lie at the same distance along the row of nozzles as the nozzles themselves and the right axial arrangement of the housing 2 and cover strip 22 to each other with the outlet sides 25 of the inlet passage openings 20 are aligned.
  • the cover strip 22 can be placed from above onto the row of nozzles, wherein the nozzles collectively enter the insertion sections 24 and the guide holes 23, respectively, without having to be individually threaded.
  • the central sections 15 of the nozzles are freely accessible from the direction transverse to the nozzle axis 17 , but can not escape laterally when force transverse to the nozzle axis substantially.
  • the liquid delivery of a single nozzle can be adjusted by means of an adjusting device which has cross-sectional change means in the form of a clamping slide 30 acting on the cross-sectional change section 15.
  • cross-sectional change means in the form of a clamping slide 30 acting on the cross-sectional change section 15.
  • FIG. 1 and 2 only three marginal nozzles are shut off by slide 30, while the middle nozzles are always in operation. It can also be provided for other nozzles or nozzle groups, in particular for all nozzles of the sprinkler, such clamping slide or other, in particular equivalent cross-sectional change means.
  • Each of the slides is manually displaceable parallel to a clamping direction 31 which is perpendicular to the longitudinal direction of the nozzle row 6 thereby guided between a pair of guide webs 32, which, as can be seen in Fig. 1, formed integrally with the sprinkler housing 2 and are each arranged between two adjacent inlet passage openings.
  • a slider as shown in Figures 3, 4 and 5, formed in the form of a parallel-sided circular arc section, guided between its associated guide webs 32 and free-play along a circumferential segment of the nozzle box slidably mounted so that a shift in the clamping direction a pivoting of the clamping slide around the central axis 4 of the nozzle box corresponds.
  • Other embodiments are possible, in particular a planar displacement of a clamping slide in a plane perpendicular to the longitudinal direction of the nozzle row and to the nozzle channels 14.
  • the slides are in their end portions on the outside with a convenient cross-ribbing 33 provided by means of which a clamping slide, for example by means of a spread hand by means of thumb and index or middle finger can be sensitively pivoted parallel to the clamping direction or moved.
  • Each of the clamping slide has a drop-shaped clamping opening 34 enclosing the cross-sectional change section 15 of the associated nozzle, whose clear width transversely to the clamping direction or parallel to the axis 4 changes in sections in the clamping direction.
  • the clamping opening has an approximately pear-shaped, wide opening portion 35 whose clear width is substantially as large as or slightly larger than the diameter of the associated nozzle in the region of the cross-sectional change portion 15. If the clamping slide, as shown in Fig.
  • the clamping slide with the wide opening portion 35 are placed over the nozzles between the guide webs 32 and then the cover strip 22 is pushed onto the nozzle outlets and mounted latching on the nozzle box.
  • the clamping slide then protrude through lateral guide openings 39 of the cover strip and are secured by this against falling.
  • the sprinkling device for quadrangular irrigation surfaces which is described and can be assembled very quickly is possible, in which the nozzles are designed as rubber-elastic water supply channels at least in a preferably middle section between the nozzle inlet 11 and the nozzle outlet 13, which are clamped by force transversely to the water flow direction can be without the nozzle inlet and / or the nozzle outlet must be sealed by separate locking devices.
  • Nozzle inlet and nozzle outlet can be optimally designed for their function and retain their shape and function even during the Abklemmvorganges, in which the flow area of the nozzle can be continuously reduced to zero, if necessary.
  • the adjustability of the sprinkler image irrigation device according to the invention is not affected in particular by calcification of nozzles, because the used for the shut-off middle section 15 of the nozzle is a little calcification prone because it is at least less exposed to the ambient air than the area of the Nozzle outlet, and because, on the other hand, at each Abklemmvorgang abaftenden deposits from the compressed wall and can be rinsed out of the nozzle. It is created a permanently functioning irrigation device whose sprinkler image is very variable adjustable.
  • the invention has been explained using the example of a square sprinkler. However, it can be used with appropriate design of the interacting elements, even with round sprinklers and sprinklers for differently shaped sprinkling surfaces.

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  • Nozzles (AREA)
  • Catching Or Destruction (AREA)

Claims (17)

  1. Procédé de réglage de la distribution d'eau d'un dispositif d'arrosage, en particulier d'un arroseur rectangulaire, le dispositif d'arrosage présentant un ensemble de buses pouvant être raccordé à une alimentation en liquide et comprenant un grand nombre de buses, parmi lesquelles chacune possède une entrée de buse qui est reliée à une sortie de buse par un canal d'écoulement, le débit de liquide étant influencé par la buse - pour régler la distribution d'eau sur au moins une buse - en modifiant une section du canal d'écoulement dans au moins un segment de modification de la section, caractérisé en ce que le segment de modification de la section se trouve entre l'entrée de buse et la sortie de buse.
  2. Procédé selon la revendication 1, caractérisé en ce que le segment de modification de la section se trouve quasiment au milieu entre l'entrée de buse et la sortie de buse, la section de canal d'écoulement n'étant de préférence quasiment pas modifiée dans la région de l'entrée de buse et/ou de la sortie de buse lors du réglage.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la section de canal d'écoulement est réduite en continu, de préférence jusqu'à l'obturation étanche du canal d'écoulement, ou est élargie jusqu'à la section de passage maximale.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que le segment de modification de la section est, lors du réglage effectué en exerçant une force transversale au canal d'écoulement, comprimé en cas de réduction de la section ou élargi en cas d'augmentation de la section, le segment de modification de la section étant de préférence comprimé symétriquement au canal d'écoulement lors du réglage, de préférence en provenance de deux directions diamétralement opposées au canal d'écoulement, en particulier perpendiculairement au sens longitudinal du canal d'écoulement.
  5. Dispositif d'arrosage, en particulier arroseur rectangulaire, avec au moins un ensemble de buses pouvant être raccordé à une alimentation en liquide et comprenant un grand nombre de buses, parmi lesquelles chacune possède une entrée de buse qui est reliée à une sortie de buse par un canal d'écoulement, et avec un dispositif de réglage permettant de régler au choix la distribution de liquide de buses ou groupes de buses de l'ensemble de buses, au moins une buse (7) présentant au moins un segment de modification de la section (15) dans lequel la section de canal d'écoulement peut être modifiée et le dispositif de réglage présentant des moyens de modification de la section (30) agissant sur le segment de modification de la section (15), caractérisé en ce que le segment de modification de la section (15) de la buse (7) est disposé entre l'entré de buse (11) et la sortie de buse (13).
  6. Dispositif d'arrosage selon la revendication 5, caractérisé en ce que l'ensemble de buses est une rangée de buses (6) unique, de préférence rectiligne.
  7. Dispositif d'arrosage selon la revendication 5 ou 6, caractérisé en ce que le segment de modification de la section (15) de la buse (7) est disposé quasiment au milieu entre l'entrée de buse (11) et la sortie de buse (13).
  8. Dispositif d'arrosage selon l'une des revendications 5 à 7, caractérisé en ce qu'il présente un premier dispositif de maintien (2) avec des orifices de passage d'entrées (20) pour le maintien en position fixe des entrées de buse (11) et un deuxième dispositif de maintien (22), disposé à distance du premier, avec des orifices de passage de sorties (23) pour le maintien en position fixe des sorties de buse (13), le premier dispositif de maintien étant de préférence formé par une carcasse d'alimentation en liquide (2), de préférence tubulaire, du dispositif d'arrosage et/ou le deuxième dispositif de maintien étant formé par un support (22) de préférence en forme de baguette, fixé à une carcasse du dispositif d'arrosage.
  9. Dispositif d'arrosage selon la revendication 8., caractérisé en ce que les côtés entrée (24) des orifices de passage de sorties (23) sont alignés avec les côtés sortie (25) des orifices de passage d'entrées (20) et/ou les orifices de passage de sorties (23) ont des axes d'orifice qui sont disposés à un certain angle d'inclinaison par rapport aux axes d'orifice des orifices de passage d'entrées (20), les orifices de passage de sorties (23) étant de préférence inclinés en forme d'éventail.
  10. Dispositif d'arrosage selon l'une des revendications 5 à 9, caractérisé en ce qu'une buse (7), au moins dans la région de son segment de modification de la section (15), présente une paroi en matière souple élastique entourant au moins partiellement, de préférence complètement, le canal d'écoulement (14).
  11. Dispositif d'arrosage selon l'une des revendications 5 à 10, caractérisé en ce qu'une buse (7) possède un corps de buse, de préférence d'un seul tenant, en matière souple élastique, en particulier du genre caoutchouc, sur lequel sont conçus l'entrée de buse (11), la sortie de buse (13), le canal d'écoulement (14) et le segment de modification de la section (15) et/ou en ce que l'ensemble de buses (6) présente au moins un corps d'ensemble de buses (10) continu, de préférence en forme de bande, en matière souple élastique, en particulier du genre caoutchouc, sur lequel sont disposés plusieurs, de préférence tous, les corps de buses de l'ensemble de buses, de préférence de façon monobloc.
  12. Dispositif d'arrosage selon l'une des revendications 5 à 11, caractérisé en ce qu'une buse (7) possède une entrée de buse (11), de préférence élargie en forme d'entonnoir par rapport au côté entrée, avec des nervures de guidage (12) axiales, dirigées vers l'intérieur, permettant un débit d'eau avec un minimum de remous et/ou en ce qu'un canal d'écoulement entre l'entrée de buse (11) et la sortie de buse (13) possède un segment (15) d'une section intérieure diminuant continuellement par rapport à la sortie de buse, laquelle section se poursuit de préférence par un segment extérieur (16) - côté sortie - d'une section intérieure sensiblement cylindrique et/ou en ce qu'une buse (7) présente un diamètre extérieur se réduisant sensiblement coniquement, au moins progressivement, entre l'entrée de buse (11) et la sortie de buse (13).
  13. Dispositif d'arrosage selon l'une des revendications 5 à 12, caractérisé en ce que le segment de modification de la section (15) est disposé entre un segment extérieur (16) côté sortie, de préférence d'une section intérieure sensiblement cylindrique, et l'entrée de buse (11), de préférence côté sortie des nervures de guidage (12) de l'entrée de buse, et/ou en ce qu'une buse (7) possède de part et d'autre du segment de modification de la section (15) une épaisseur de paroi qui est plus importante que l'épaisseur de paroi dans la région du segment de modification de la section, l'épaisseur de paroi augmentant de préférence continuellement des deux côtés du segment de modification de la section (15).
  14. Dispositif d'arrosage selon l'une des revendications 5 à 13, caractérisé en ce que les moyens de modification de la section présentent au moins un dispositif de coupure (30) permettant de couper un segment de réduction de la section (15), comprimable dans le cas d'une réduction de la section, d'au moins une buse.
  15. Dispositif d'arrosage selon l'une des revendications 5 à 14, caractérisé en ce que les moyens de modification de la section, en particulier le dispositif de coupure, d'une buse (7) présentent au moins un coulisseau de serrage (30) de préférence déplaçable transversalement au canal d'écoulement dans un sens de serrage (31), de préférence doté d'une ouverture de serrage (34) délimitant le segment de modification de la section (15) et dont le diamètre intérieur change au moins progressivement parallèlement au sens de serrage, l'ouverture de serrage (34) présentant de préférence un segment d'ouverture large (35), de préférence d'une section correspondant sensiblement au diamètre extérieur du segment de modification de la section déchargé, et au moins un segment de serrage (37) adjacent, parallèle au sens de serrage et de diamètre intérieur moindre, le segment d'ouverture et le segment de serrage se raccordant l'un à l'autre par un segment intermédiaire (36) se rétrécissant continuellement.
  16. Dispositif de serrage selon l'une des revendications 5 à 15, caractérisé en ce qu'un moyen de modification de la section séparé, de préférence actionnable manuellement, en particulier un coulisseau de serrage (30), est prévu pour chacune des buses réglables et/ou en ce que des moyens de modification de la section sont prévus seulement sur quelques buses ou groupes de buses, de préférence périphériques, d'un ensemble de buses, en particulier d'une rangée de buses.
  17. Dispositif d'arrosage selon l'une des revendications 5 à 16, caractérisé en ce qu'un moyen de modification de la section d'une buse, en particulier un coulisseau de serrage (30), peut être déplacé sensiblement perpendiculairement à la rangée de buses.
EP99112625A 1998-07-10 1999-07-02 Méthode de régler le façon de distribution d'eau d'un arroseur et arroseur Expired - Lifetime EP0970753B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19830860 1998-07-10
DE19830860A DE19830860A1 (de) 1998-07-10 1998-07-10 Verfahren zur Verstellung des Regnerbildes einer Beregnungsvorrichtung und Beregnungsvorrichtung

Publications (3)

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EP0970753A2 EP0970753A2 (fr) 2000-01-12
EP0970753A3 EP0970753A3 (fr) 2001-03-28
EP0970753B1 true EP0970753B1 (fr) 2008-01-23

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EP99112625A Expired - Lifetime EP0970753B1 (fr) 1998-07-10 1999-07-02 Méthode de régler le façon de distribution d'eau d'un arroseur et arroseur

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US (1) US6062490A (fr)
EP (1) EP0970753B1 (fr)
AT (1) ATE384583T1 (fr)
AU (1) AU751934B2 (fr)
DE (2) DE19830860A1 (fr)
ES (1) ES2299228T3 (fr)

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CN103402726A (zh) * 2011-01-07 2013-11-20 巴斯夫欧洲公司 用于将液体反应混合物施加于覆盖层的方法和设备

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US6478241B1 (en) * 2000-10-04 2002-11-12 Wen Li Guo Sprinkler having individually operated outlet openings
DE10142141A1 (de) * 2001-08-29 2003-03-20 Gardena Kress & Kastner Gmbh Beregnungsvorrichtung mit einem bidirektional schwenkbaren Regnerkopf
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CN103402726A (zh) * 2011-01-07 2013-11-20 巴斯夫欧洲公司 用于将液体反应混合物施加于覆盖层的方法和设备
CN103402726B (zh) * 2011-01-07 2016-11-16 巴斯夫欧洲公司 用于将液体反应混合物施加于覆盖层的方法和设备

Also Published As

Publication number Publication date
EP0970753A2 (fr) 2000-01-12
ATE384583T1 (de) 2008-02-15
DE19830860A1 (de) 2000-01-13
DE59914614D1 (de) 2008-04-30
AU3912499A (en) 2000-02-03
AU751934B2 (en) 2002-08-29
US6062490A (en) 2000-05-16
EP0970753A3 (fr) 2001-03-28
ES2299228T3 (es) 2008-05-16

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