EP2129838B1 - Dispositif de formation de jet - Google Patents

Dispositif de formation de jet Download PDF

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Publication number
EP2129838B1
EP2129838B1 EP07846942A EP07846942A EP2129838B1 EP 2129838 B1 EP2129838 B1 EP 2129838B1 EP 07846942 A EP07846942 A EP 07846942A EP 07846942 A EP07846942 A EP 07846942A EP 2129838 B1 EP2129838 B1 EP 2129838B1
Authority
EP
European Patent Office
Prior art keywords
channel
flow
flow former
throughflow
jet
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.)
Not-in-force
Application number
EP07846942A
Other languages
German (de)
English (en)
Other versions
EP2129838A1 (fr
Inventor
Georg STÄDTLER
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.)
Neoperl GmbH
Original Assignee
Neoperl 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
Priority claimed from DE200720003039 external-priority patent/DE202007003039U1/de
Priority claimed from DE200720012018 external-priority patent/DE202007012018U1/de
Application filed by Neoperl GmbH filed Critical Neoperl GmbH
Publication of EP2129838A1 publication Critical patent/EP2129838A1/fr
Application granted granted Critical
Publication of EP2129838B1 publication Critical patent/EP2129838B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02Plumbing installations for fresh water
    • E03C1/08Jet regulators or jet guides, e.g. anti-splash devices

Definitions

  • the invention relates to a jet former, which is arranged in the water outlet of a sanitary outlet fitting and has a passage channel with a non-circular clear channel cross-section, the channel longitudinal sides are designed to be longer to form a flat jet compared to the channel narrow sides.
  • the aim of the fitting designer is to continue design elements of the sanitary fitting in the water jet of the exiting water, that is, angular, square or rectangular geometry of the fitting should be transferred to the outflowing water jet, if possible, to give a homogeneous overall appearance.
  • the known device has a hollow body which can be attached to the tub and which has a fresh water inlet opening intended for connecting the shower and at least one fresh water outlet opening opening on an inner wall of the tub.
  • a fresh water inlet opening intended for connecting the shower and at least one fresh water outlet opening opening on an inner wall of the tub.
  • the hollow body DE-A-25 52 786 previously known device between the water inlet opening and the at least one fresh water outlet opening provided means which distribute the water coming from the shower and / or divert, so that a rapid reassurance and a smooth transition can occur in the laminar flow.
  • Such distributing and / or deflecting means may be, for example, suitably designed guide bodies, guide surfaces and / or screens which, of course, should not generate such a large backwater that such overpressure arises in the hollow body, as a result of which water could spurt out of it.
  • a jet shower with a shower head previously known, which has a plurality of water outlet openings to form a shower jet.
  • the shower head has a beam bundling device with a central water passage opening, which opens at its outer peripheral wall region in an annular circumferential and pocket-shaped flow deflection, in which the water jet flowing through to the opposite inner The lateral surface of the shower head housing is deflected.
  • the beam assembly subsequent flow deflection is formed in the flow direction of the water jet, a flow rotor, through which a direct flow of water through the water outlet openings is avoided.
  • the housing is formed for attachment within a non-circular outlet inner cross-section as a correspondingly shaped, of two identical, mirror-image fastened together plastic injection molded parts.
  • the passageway bounding longitudinal sides of these plastic injection molded parts is a vertically encircling, in the passage channel projecting central rib and two spaced on both sides of the central rib arranged guide ribs formed. While the vertically extending central rib has only a slight broadening in its central region, the guide ribs are also provided with throttle-like thickenings leading away from the water outlet, which likewise gradually run out towards the water outlet.
  • From the US-A-2 320 530 is a piece of pipe previously known, which can be interposed in a sanitary water pipe.
  • the end US-A-2 320 530 Previously known piece of pipe has a, opposite the flow direction of the pipeline watering can-like upwardly projecting water outlet.
  • a shoehorn-like and pivotally held on the inner circumference flow deflection is provided, which holds in its one pivot position the pipe cross-section of the pipeline to deflect the water jet flowing through in its other pivotal position, the deflection, toward the water outlet.
  • the outlet opening of the water outlet can be closed with a closure piece, which is connected for pivoting the flow deflection with this, that when opening the water outlet, the flow deflection moves into its deflection and the water jet deflected through the pipe into the water outlet can flow out of the water outlet fountain ,
  • the beam former according to the invention has a passage, which has at one of its two channel longitudinal sides designed as a cross-sectional constriction deflection, which projects into a portion of the passage channel and in their direction of deflection a provided on the opposite longitudinal side and designed as a baffle surface wall portion of the passage channel bounding inner peripheral wall is aligned. Since the deflecting bevel is designed as a cross-sectional constriction, which projects into a partial region of the passage channel, a subset of the inflowing water flow is deflected in the direction of the opposite wall portion serving as a baffle surface.
  • this baffle Due to the design of this baffle, such as their inclination, curvature and spreading and their oriented in the outflow direction length, the incident on it and water jet along it are significantly influenced in its appearance when leaving the sanitary outlet fitting. It is essential that not the completely tapered water flow is deflected over the deflection bevel to the serving as a baffle wall section, but only a subset of this water flow, but then also affects the not guided over the deflection angle residual amount of water flow.
  • the interaction of deflection on the one hand and baffle on the other hand and the specific alignment and coordination to each other, which may also vary depending on the flow conditions and the design of the fitting body or fitting spout are crucial factors for influencing the water outlet leaving the outlet fitting, which required in the task Is able to meet requirements.
  • the passage channel upstream of the passage channel at least one inlet grate or the like flow rectifier in the flow direction.
  • the deflecting bevel has an outer contour rounded in the throughflow direction to its free longitudinal edge protruding into the passage channel.
  • an embodiment which can be produced in a particularly simple manner according to the invention provides that the deflection bevel projects in a chip-shaped manner over the channel longitudinal side.
  • this inlet grid or the like it is advantageous if the grid openings of at least one inlet grid are bounded by flow guide walls elongated in the flow direction.
  • An embodiment according to the invention provides that at least one inlet grid is arranged approximately in the plane defined by one of the channel longitudinal sides.
  • the water flow passing through the inlet grid or the like is deflected towards the passageway before this water jet can be formed in the beamformer in the desired manner.
  • a preferred embodiment according to the invention provides that the flow-through channel is preceded by an annular circumferential wall in the direction of flow, the two longitudinal sides of which are configured in each case as an inlet grid.
  • This annular peripheral wall can tightly rest on the inner circumference of the outlet fitting, so that the water flow flowing in the direction of the jet former can only pass through the inlet grid provided on at least one of the longitudinal sides of the wall.
  • Another embodiment according to the invention provides that at least one inlet grid is arranged in a plane oriented approximately transversely to the flow direction of the passage channel. Such a supply grid can practically cover the inflow-side end opening of the passage channel.
  • the jet former is arranged in a deflection-free outlet end region of a sanitary outlet fitting.
  • a preferred embodiment according to the invention, in particular the zeitgeschmack in the design of such Outflow fittings accommodates, on the other hand, that the beam shaper is arranged in the deflection zone of a preferably approximately at right angles oriented water deflection.
  • the jet former according to the invention can be held in the water outlet of the sanitary outlet fitting, for example with at least one corresponding fastening screw. But it is also possible that the jet former is held by means of a latching connection preferably releasably in the water outlet of the outlet fitting.
  • a preferred embodiment according to the invention provides that the jet former is held by friction and preferably releasably in the water outlet of the outlet fitting.
  • the jet former is held by friction and preferably releasably in the water outlet of the outlet fitting.
  • at least one circumferential sealing ring is provided between the jet former and water outlet, which preferably holds the jet former in a press fit in the water outlet.
  • jet former The simple and cost-effective production of the jet former according to the invention is favored when the jet former is produced as a one-part or multi-part plastic injection-molded part.
  • a development according to the invention provides that the passage cross-section of the passage channel is longer in the channel longitudinal direction on the downstream side compared to the inflow side. It has surprisingly been found that in such a further embodiment, the outflowing water jet can be pulled apart in width such that this water jet retains its width over a comparatively large jet length, without becoming a substantially round jet contract.
  • the inflow-side (s) inlet opening (s) of the passage channel is closed at at least one end region in the channel longitudinal direction. If the passage channel is closed at at least one end region in the channel longitudinal direction only at its inflow-side inlet opening, turbulences can form underneath the closed partial region of the inlet opening, which generate a lateral negative pressure region in the passage channel, which additionally favors the spreading and widening of the outflowing water jet.
  • an embodiment according to the invention that can be produced in a particularly simple manner provides that the inlet grid is designed to be closed at least at one end region in the channel longitudinal direction.
  • the ease of manufacture of the beam former according to the invention is favored when the inlet grid in or on the jet former is releasably fastened. If the inlet grid is detachably fastened in or on the jet former, a modular design is also made possible so that a jet former can be combined, if necessary, with differently configured inlet grilles.
  • FIGS. 1 to 12 Different versions 2, 3 and 4 of a beam former are shown which are intended to form a wide flat beam that is stable over a long distance. From the FIGS. 1 . 3 . 5 and 7 It is clear that the jet former 2,3 is arranged in the water outlet 22 of a sanitary outlet fitting 5 shown here only in its outlet end region.
  • the jet former 2, 3 or 4 has a flow channel 6 with a non-circular clear channel cross section on, the channel longitudinal sides 7, 8 are designed to form a non-circular and wide flat jet compared to the channel narrow sides 9, 10 longer.
  • the beamformer 2, 3 and 4 has a passage channel 6 which has a deflection bevel 11 configured as a cross-sectional constriction on one of its two channel longitudinal sides which, in its deflection direction, is provided on a wall section which is provided on the opposite longitudinal side 8 and designed as a baffle surface 12 is aligned with the passageway 6 bounding inner circumferential wall. Since the deflection bevel 11 is designed as a cross-sectional constriction which projects into a partial region of the passage channel 6, a subset of the inflowing water flow is deflected in the direction of the opposite wall section serving as impact surface 12.
  • this baffle 12 Due to the design of this baffle 12, such as its inclination, curvature and spreading and their oriented in the outflow length, the water jet incident on it and along it can be significantly influenced in its appearance when leaving the sanitary outlet fitting. It is essential that not the completely tapered water flow is deflected over the deflection bevel 11 to serving as a baffle 12 wall portion, but only a subset of this flow of water, which, however, then also affects the not guided over the deflection bevel 11 residual amount of water flow.
  • the jet formers 2, 3, at least one inlet grille 14, 15 and 23 may be upstream in the flow direction, which has a uniform, calming and stabilizing effect on the effluent water jet formed by the beam shaper 2, 3.
  • the inlet grid 14, 23 is formed as a separate and arranged in an approximately transversely to the flow direction of the passageway 6 oriented plane component which is releasably held at the inflow-side end opening of the beam former 2 by means of a latching connection.
  • FIGS. 3 and 4 is a contrast designed differently Embodiment 3 shown, in which the flow channel 6 is preceded by an annular peripheral wall 16 in the flow direction, the two wall longitudinal sides are each configured as a feed grille 15.
  • the inlet grille 14, 15, 23 can be formed on the jet former 2, 3 or 4 or detachably secured thereto;
  • an embodiment not shown here may also consist in that such inlet grid, which serve as a flow straightener, can be mounted separately in the flow direction before the jet former in the fitting body of the outlet fitting.
  • the inlet gratings or similar flow rectifiers 14, 15, 23 may, for example, have a honeycomb-shaped or, as here, a grid-shaped water-guiding structure.
  • FIGS. 1 to 4 and 7 show the frequent application, in which the beam shaper 2 or 3 is arranged in the deflection zone of a preferably approximately at right angles oriented water deflection.
  • the water flow guided through the fitting body of the outlet fitting 5 is deflected and guided to the water outlet 4 arranged approximately at right angles, for example.
  • FIGS. 5 and 6 On the other hand, a deviating variant is shown in which the incoming water flow can be performed practically free of deflection in the region of the beam former 2 and in which the outlet-side end region of the outlet fitting 5 defines a deflection-free flow guide.
  • the inflowing through the outlet fitting 5 water supply runs almost parallel to the emerging from the jet former 2 water jet.
  • FIGS. 5 and 6 is one with FIGS. 1 and 2 comparable beam shaper 2 shown.
  • a flow regulator is installed on the inflow side - preferably behind the throttle valve of the valve - which is tuned to the respective liter performance in a specific application and this liter performance limits a certain maximum value per unit of time.
  • the jet pattern of the jet former can also be varied in terms of its width, the useful parallel length, as well as the speed and impact velocity in the sink or on items held in the water jet. It is particularly advantageous if the position of such a pressure-independent flow rate regulator is as far as possible spaced from the beam former to maximize the water jet before entering the jet former and its outlet structure as optimal as possible.
  • the jet formers 2, 3 and 4 are frictionally and preferably releasably held in the water outlet 22 of the outlet fitting 5.
  • a sealing ring 17 is provided in a provided on the outer circumference of the beam shaper 2, 3, 4, 4 holding groove 16, the jet former 2, 3 and 4, respectively preferably in a press fit in the water outlet 4 holds.
  • a recess 16 is attached to release the beam former 2, 3 or 4 - for example, for cleaning reasons or for flushing the outlet fitting after initial installation - is on the side facing away from the visible side 7 in the over the water outlet 4 protruding Wandungsau.
  • a recess 16 is attached to release the beam former 2, 3 or 4 - for example, for cleaning reasons or for flushing the outlet fitting after initial installation - is on the side facing away from the visible side 7 in the over the water outlet 4 protruding Wandungsau.
  • the tip of a screwdriver can be introduced, which can be used by supporting on the outlet fitting 5 for levering out the beam former 2, 3 and 4 respectively.
  • the embodiments 2, 3 and 4 of a jet former shown here show that the edges surrounding the water outlet of the jet former 2, 3 and 4 can be made sharp-edged so that these edges or edges 19 always act as dripping edges and the outflowing water does not pass through its adhesion to the beam former 2, 3 or 4 undesirably pulls along this and eventually reaches the underside of the outlet fitting 5 via capillary action in order to continue along the outlet fitting 5, which can lead to unsightly soiling over time.
  • jet shaper 2, 3 and 4 shown here can be produced both as a one-piece and as a multi-part plastic injection molded part.
  • the in the 8 to 12 illustrated jet regulator 4 also has a passage channel 6 which has on one of its two channel longitudinal sides designed as a cross-sectional constriction 11 which in its deflection to a provided on the opposite longitudinal side 8 and formed as a baffle surface 12 wall portion of the passage channel 6 bounding peripheral wall is aligned.
  • This deflecting bevel 11 projecting here in a span shape over the channel longitudinal side 7 has a rounded outer contour in the direction of flow to its free longitudinal edge 13 protruding into the passage channel 6.
  • the passage cross-section of the flow channel 6 in the channel longitudinal direction on the downstream side is longer compared to the inflow side.
  • the inlet lattice 23 has a multicellular open lattice structure only in its middle region, while the inlet lattice 23 is closed at its two end regions in the channel longitudinal direction. Since the flow-through channel is configured to be closed at its two end regions in the channel longitudinal direction at the inflow-side inlet opening, turbulences can form underneath the closed partial region of the inlet opening which produce a lateral negative pressure region 21 in the flow-through channel 6, which negative-pressure region 21 is a spreading and widening of the outflowing water jet favored.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Nozzles (AREA)
  • Impact Printers (AREA)

Claims (17)

  1. Dispositif de formation de jet (2, 3, 4), qui est disposé dans la sortie d'eau (22) d'une robinetterie de sortie sanitaire (5) et qui présente un canal de passage (6) ayant une section intérieure ovale, les faces longitudinales (7, 8) du canal étant prévues plus longues que les faces transversales (9, 10) du canal, caractérisé en ce que le canal de passage (6) présente, sur l'une (7) de ses deux faces longitudinales (7, 8) de canal, une pente de déviation (11) réalisée sous la forme d'un rétrécissement de section qui pénètre dans une région partielle du canal de passage (6) et dont la direction de déviation est dirigée vers une portion de la paroi périphérique intérieure délimitant le canal de passage (6) qui est prévue sur la face longitudinale opposée (8) et est réalisée sous forme de surface de rebondissement (12), sachant qu'au moins une grille d'admission (14, 15, 23) ou un rectificateur d'écoulement analogue précède le canal de passage (6) dans la direction d'écoulement.
  2. Dispositif de formation de jet selon la revendication 1, caractérisé en ce que la pente de déviation (11) possède un contour extérieur qui est, dans la direction d'écoulement, arrondi en direction de son bord longitudinal libre (13) faisant saillie dans le canal de passage (6).
  3. Dispositif de formation de jet selon la revendication 1 ou 2, caractérisé en ce que la pente de déviation (11) fait saillie en arc de la face longitudinale (7) du canal.
  4. Dispositif de formation de jet selon l'une des revendications 1 à 3, caractérisé en ce que les ouvertures (20) de la grille d'admission au moins unique (14, 15, 23) sont délimitées par des parois de guidage d'écoulement s'étendant en longueur dans la direction d'écoulement.
  5. Dispositif de formation de jet selon l'une des revendications 1 à 4, caractérisé en ce que la grille d'admission au moins unique (15) est disposée approximativement dans le plan défini par une des faces longitudinales (7, 8) de canal.
  6. Dispositif de formation de jet selon l'une des revendications 1 à 5, caractérisé en ce qu'une paroi périphérique annulaire (16) précède le canal de passage (6) dans la direction d'écoulement, paroi dont les deux faces longitudinales sont chacune réalisées sous forme de grille d'admission (15).
  7. Dispositif de formation de jet selon l'une des revendications 1 à 6, caractérisé en ce que la grille d'admission au moins unique (14, 23) est disposée dans un plan orienté environ transversalement à la direction d'écoulement du canal de passage (6).
  8. Dispositif de formation de jet selon l'une des revendications 1 à 7, caractérisé en ce que le dispositif de formation de jet (2, 3, 4) est disposé dans la zone de déviation d'un renvoi d'eau orienté de préférence approximativement à angle droit.
  9. Dispositif de formation de jet selon l'une des revendications 1 à 8, caractérisé en ce que le dispositif de formation de jet (2, 3, 4) est, au moyen d'un assemblage par enclenchement, maintenu de préférence de manière amovible dans la sortie d'eau de la robinetterie de sortie.
  10. Dispositif de formation de jet selon l'une des revendications 1 à 9, caractérisé en ce que le dispositif de formation de jet (2, 3, 4) est maintenu par friction et de préférence de manière amovible dans la sortie d'eau (22) de la robinetterie de sortie (5).
  11. Dispositif de formation de jet selon l'une des revendications 1 à 10, caractérisé en ce qu'au moins une bague d'étanchéité entourante (17) est prévue entre le dispositif de formation de jet (2, 3, 4) et la sortie d'eau (22), bague qui maintient le dispositif de formation de jet (2, 3, 4) de préférence en ajustement serré dans la sortie d'eau (22).
  12. Dispositif de formation de jet selon l'une des revendications 1 à 11, caractérisé en ce que le dispositif de formation de jet (2, 3, 4) est réalisé sous la forme d'une pièce moulée par injection de matière plastique en une ou plusieurs parties.
  13. Dispositif de formation de jet selon l'une des revendications 1 à 12, caractérisé en ce que, dans la conduite d'eau menant au dispositif de formation de jet, de préférence dans le corps de la robinetterie de sortie, un régulateur de débit ou un limiteur de débit précède le dispositif de formation de jet dans la direction d'écoulement, en particulier à distance de ce dernier.
  14. Dispositif de formation de jet selon l'une des revendications 1 à 13, caractérisé en ce que la section de passage du canal de passage (6) est, dans la direction longitudinale du canal, plus longue du côté du flux sortant que du côté du flux entrant.
  15. Dispositif de formation de jet selon l'une des revendications 1 à 14, caractérisé en ce que la ou les ouvertures d'entrée, côté flux entrant, du canal de passage (6) est/sont fermées dans au moins une région terminale dans la direction longitudinale du canal.
  16. Dispositif de formation de jet selon l'une des revendications 1 à 15, caractérisé en ce que la grille d'admission (23) est réalisée fermée dans au moins une région terminale dans la direction longitudinale du canal.
  17. Dispositif de formation de jet selon l'une des revendications 1 à 16, caractérisé en ce que la grille d'admission (14, 15, 23) peut être fixée de manière amovible dans ou sur le dispositif de formation de jet (2, 3, 4).
EP07846942A 2007-02-28 2007-12-01 Dispositif de formation de jet Not-in-force EP2129838B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE200720003039 DE202007003039U1 (de) 2007-02-28 2007-02-28 Strahlformer
DE200720012018 DE202007012018U1 (de) 2007-08-28 2007-08-28 Strahlformer
PCT/EP2007/010453 WO2008104206A1 (fr) 2007-02-28 2007-12-01 Dispositif de formation de jet

Publications (2)

Publication Number Publication Date
EP2129838A1 EP2129838A1 (fr) 2009-12-09
EP2129838B1 true EP2129838B1 (fr) 2010-05-05

Family

ID=39167035

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07846942A Not-in-force EP2129838B1 (fr) 2007-02-28 2007-12-01 Dispositif de formation de jet

Country Status (4)

Country Link
EP (1) EP2129838B1 (fr)
AT (1) ATE467006T1 (fr)
DE (1) DE502007003684D1 (fr)
WO (1) WO2008104206A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2320530A (en) * 1941-05-26 1943-06-01 Homer A Mead Sanitary drinking fountain
CH315823A (de) * 1953-08-05 1956-09-15 Rothmayr & Co Mundstück
DE2552786A1 (de) * 1974-11-26 1976-07-01 Leopold Zanoli Vorrichtung zum einlassen von wasser in eine wanne
DE4108521C2 (de) * 1991-03-15 1999-11-11 Wildfang Dieter Gmbh Strahlbrause
DE20317910U1 (de) * 2003-11-19 2004-02-12 Aloys F. Dornbracht Gmbh & Co. Kg Strahlregler für einen Auslauf einer wasserführenden Armatur

Also Published As

Publication number Publication date
WO2008104206A1 (fr) 2008-09-04
ATE467006T1 (de) 2010-05-15
EP2129838A1 (fr) 2009-12-09
DE502007003684D1 (de) 2010-06-17

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