EP2157248B1 - Drainage fittings with smell lock - Google Patents
Drainage fittings with smell lock Download PDFInfo
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- EP2157248B1 EP2157248B1 EP09165624.9A EP09165624A EP2157248B1 EP 2157248 B1 EP2157248 B1 EP 2157248B1 EP 09165624 A EP09165624 A EP 09165624A EP 2157248 B1 EP2157248 B1 EP 2157248B1
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- European Patent Office
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- nozzle
- housing
- section
- reservoir volume
- fitting according
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 65
- 230000004888 barrier function Effects 0.000 claims description 23
- 238000007654 immersion Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 44
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010797 grey water Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0407—Floor drains for indoor use
- E03F5/0408—Floor drains for indoor use specially adapted for showers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F2005/0416—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F2005/0416—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal
- E03F2005/0418—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal in the form of a bell siphon
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sink And Installation For Waste Water (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Description
Die Erfindung betrifft eine Ablaufarmatur mit Geruchverschluss, mit einem einen Ablauf aufweisenden Gehäuse, welches eine Gehäusekammer bildet, und mit einem sich in die Gehäusekammer erstreckenden Tauchrohr, welches vom Gehäusegrund beabstandet ist und mit dem Gehäuse ein Reservoirvolumen in Form eines Ringraums begrenzt, wobei von dem Reservoirvolumen ein Stutzen für den Anschluss an ein Leitungssystem ausgeht, wobei im Gehäuse ein das Reservoirvolumen mit dem Inneren des Stutzens verbindender Stutzenanschlussabschnitt vorgesehen ist, und wobei der Geruchverschluss mittels in dem Tauchrohr und in dem Reservoirvolumen vorgehaltenem Sperrwasser bewirkt wird, wobei ein Konstruktionselement vorgesehen ist, welches den Strömungsquerschnitt eines vom Inneren des Tauchrohrs zum Stutzenanschlussabschnitt führenden Strömungskanals erweitert und damit derart ausgebildet ist, dass es eine Änderung des Strömungsverhaltens in dem Strömungskanal bewirkt. Eine solche Ablaufarmatur ist aus der
Eine vergleichbare Ablaufarmatur ist auch in der
Ablaufarmaturen mit Geruchverschluss sind bereits im Stand der Technik bekannt. Die Patentanmeldung
Problematisch bei dem Stand der Technik aus der
Hiervon ausgehend liegt der vorliegenden Erfindung die Aufgabe zu Grunde, eine Ablaufarmatur mit Geruchverschluss anzugeben, welche die Strömungsverhältnisse von ablaufendem Wasser optimiert.On this basis, the present invention is based on the object to provide a drain fitting with odor trap, which optimizes the flow conditions of draining water.
Die Aufgabe wird gelöst durch eine Ablaufarmatur mit den Merkmalen von Patentanspruch 1.The object is achieved by a drain fitting with the features of claim 1.
Das Konstruktionselement ist durch eine partielle, sich somit nur über einen bestimmten Abschnitt des Umfangs des Gehäuses (4) erstreckende, bezogen auf den Ringraum (14) radial auswärtige Vertiefung (20) im Stutzenanschlussabschnitt (16a) gebildet.The construction element is formed by a partial, thus only over a certain portion of the circumference of the housing (4) extending, relative to the annular space (14) radially outwardly recess (20) in the nozzle connection portion (16a).
Durch das Vorsehen eines solcher Konstruktionselements, welches den Strömungsquerschnitt eines vom Inneren der Tauchrohrs zum Stutzenanschlussabschnitt führenden Strömungskanals auf die vorangehend beschriebene Weise modifiziert, werden zusätzliche Mittel wie eine schwimmbare Kugel zur mechanischen Abdichtung der Ablaufarmatur gegenüber Gasen aus dem angeschlossenen Leitungssystem überflüssig. Stattdessen kann der Geruchverschluss mit Sperrwasser gewährleistet werden, auch wenn der Sperrwasserpegel in der Ablaufarmatur durch die Einwirkung eines Unterdrucks im angeschlossenen Leitungssystem abgesenkt wird.By providing such a structural element which modifies the flow cross section of a flow channel leading from the interior of the dip tube to the nozzle connection section in the manner described above, additional means such as a floating ball for mechanical sealing of the drain fitting to gases from the connected line system become superfluous. Instead, the odor trap can be ensured with sealing water, even if the level of the sealing water in the drain fitting is lowered by the effect of a negative pressure in the connected piping system.
Während einer durch einen Unterdruck hervorgerufenen Absenkung des Sperrwasserpegels im Tauchrohr verbleibt ein Teil des Sperrwassers in dem Reservoirvolumen und kann den Geruchverschluss gewährleisten. Hat der Sperrwasserpegel auf Grund der Druckverhältnisse in etwa die Höhe der dem Gehäusegrund zugewandten Stirnseite des Tauchrohrs erreicht, besteht die Gefahr, dass durch Lufteinzug durch das Tauchrohr und das Reservoirvolumen in den Stutzen bzw. das Leitungssystem das Sperrwasser in einem solchen Maße abgesogen wird, dass der Geruchverschluss nach dem Ende der Druckstörung nicht wieder zuverlässig hergestellt werden kann.During a lowering of the sealing water level caused by a negative pressure in the immersion tube, part of the sealing water remains in the reservoir volume and can ensure the odor trap. If the level of the sealing water has reached approximately the height of the end face of the immersion tube facing the housing base due to the pressure conditions, there is a risk that the sealing water will be drawn off to such an extent by the passage of air through the immersion tube and the reservoir volume into the connection or the conduit system the odor trap after the end of the pressure disturbance can not be reliably restored.
Mit der Ausgestaltung der Ablaufarmatur gemäß der vorliegenden Erfindung wird es möglich, die für den Geruchverschluss notwendige Sperrwassermenge in dem Reservoirvolumen vorzuhalten, selbst wenn Luft durch den Ablauf, das Tauchrohr und das Reservoirvolumen in das Leitungssystem angesogen wird.With the configuration of the drain fitting according to the present invention, it becomes possible to hold the amount of sealing water necessary for the odor trap in the reservoir volume even when air is sucked into the piping system through the drain, the dip tube and the reservoir volume.
Dadurch wird der Strömungsquerschnitt des vom Inneren des Tauchrohrs zum Stutzenanschlussabschnitt führenden Strömungskanals - also im Wesentlichen in dem Reservoirvolumen - derart modifiziert, dass sich ein Luftkanal in dem in dem Strömungskanal befindlichen Sperrwasser bildet, durch welchen über den Ablauf angesaugte Luft in das Leitungssystem gelangen kann. Durch diese Art "Kurzschluss" wird weitgehend vermieden, dass zuviel Sperrwasser bei Druckstörungen in das Leitungssystem verloren geht. Nach dem Ende der Druckstörung kann mittels des Rückflusses des in dem Reservoirvolumen vorgehaltenen Sperrwassers in das Tauchrohr der für die zuverlässige Funktion des Geruchverschlusses erforderliche Sperrwasserpegel wieder hergestellt werden. Weil zumindest ein Teil des Sperrwassers während einer durch einen Unterdruck hervorgerufenen Störung damit nicht verloren geht, und der nominell vorgesehene Sperrwasserpegel reduziert werden kann, können Ablaufarmaturen mit flacherer und damit platzsparenderer Bauform ausgestaltet werden. Dadurch wird insbesondere der Einbau einer solchen Ablaufarmatur vereinfacht.As a result, the flow cross-section of the flow channel leading from the interior of the dip tube to the nozzle connection section-that is, substantially in the reservoir volume-is modified in such a way that an air channel forms in the sealing water located in the flow channel, through which air sucked in via the outlet can enter the line system. By this type of "short circuit" is largely avoided that too much sealing water is lost in pressure disturbances in the pipe system. After the end of the pressure disturbance, by means of the reflux of the barrier water stored in the reservoir volume into the immersion tube, the sealing water level required for the reliable functioning of the odor trap can be restored. Because at least a portion of the sealing water is not lost during a negative pressure caused by a disturbance, and the nominal intended sealing water level can be reduced, drain fittings can be designed with flatter and thus space-saving design. As a result, in particular the installation of such a drain fitting is simplified.
Ferner wird durch das Vorhalten des Sperrwassers in dem Reservoirvolumen die Wiederherstellung des Geruchverschlusses mittels Sperrwasser auch bei wiederholten Druckstörungen sichergestellt. Die entsprechend ausgestaltete Ablaufarmatur ist somit insbesondere zur Anbindung an Leitungssysteme, in denen Druckschwankungen häufiger auftreten, geeignet.Furthermore, the provision of the sealing water in the reservoir volume ensures the restoration of the odor trap by means of sealing water even with repeated pressure disturbances. The appropriately designed drain fitting is thus particularly suitable for connection to piping systems in which pressure fluctuations occur more frequently.
Schließlich ist bei der erfindungsgemäßen Ablaufarmatur vorgesehen, dass das Tauchrohr sich innen zum Gehäusegrund hin weitet. Auf diese Weise können die Strömungsverhältnisse von ablaufendem Wasser in dem Tauchrohr und in dem umliegenden Reservoirvolumen, mithin in dem Strömungskanal, optimiert werden. Wenn gemäß einer Ausgestaltung das Tauchrohr eine konkave Wölbung aufweist, läßt sich das Volumen des Reservoirvolumens im Verhältnis zum Volumen des Tauchrohres vergrößern, so dass das Reservoirvolumen mehr Raum zum Vorhalten von Sperrwasser bietet.Finally, it is provided in the drain fitting according to the invention that the dip tube widens inwards towards the housing base. In this way, the flow conditions of running water in the dip tube and in the surrounding reservoir volume, thus in the flow channel to be optimized. According to one embodiment, if the dip tube has a concave curvature, the volume of the reservoir volume in relation to the volume of the dip tube can be increased, so that the reservoir volume provides more space for holding of sealing water.
Die partielle Vertiefung bewirkt insbesondere eine Querschnittserweiterung des Strömungskanals und damit eine Druckreduzierung im Wasser, das bei einem im Leitungssystem herrschenden Unterdruck durch den Strömungskanals fließt. Die Druckreduzierung führt insbesondere dazu, dass sich - sobald Luft angesaugt wird - ein stabiler Luftkanal von der Grenzfläche zwischen Luft und Wasser, beispielsweise im Tauchrohr, bis zum Stutzenanschlussabschnitt ausbildet. Damit kann die Strömung der Luft, welche im Falle des Absinkens des Sperrwasserpegels bis etwa zur Höhe der unteren Stirnseite des Tauchrohrs von dem Ablaufraum durch das Tauchrohr und das Reservoirvolumen in das Leitungssystem gesaugt wird, mittels einer einfachen baulichen Ausgestaltung in einen Luftkanal gelenkt werden. Auf diese Weise kann das Reservoirvolumen im Fall einer Druckstörung vorteilhafter Weise eine für die Wiederherstellung des Geruchverschlusses notwendige Menge an Sperrwasser vorhalten. Vorzugsweise ist die partielle Vertiefung in dem Stutzenanschlussabschnitt so ausgebildet, dass sie dem Stutzen in Strömungsrichtung unmittelbar vorgelagert ist. Dadurch kann die Bildung eines Luftkanals im Fall einer Druckstörung gezielt gefördert werden.The partial depression causes in particular a cross-sectional widening of the flow channel and thus a pressure reduction in the water, which flows through the flow channel at a pressure prevailing in the line system negative pressure. The pressure reduction leads, in particular, to the fact that-as soon as air is drawn in-a stable air channel is formed by the interface between air and water, for example in the dip tube, as far as the nozzle connection section. Thus, the flow of air, which is sucked in the case of the sinking of the sealing water level to about the height of the lower end side of the dip tube from the drainage chamber through the dip tube and the reservoir volume in the conduit system can be directed by means of a simple structural design in an air duct. In this way, in the event of a pressure disturbance, the reservoir volume can advantageously hold a quantity of sealing water necessary for the restoration of the odor trap. Preferably, the partial recess is formed in the nozzle connection portion so that it is immediately upstream of the nozzle in the flow direction. As a result, the formation of an air duct can be specifically promoted in the event of a pressure disturbance.
Vorzugsweise ist im Stutzenanschlussabschnitt eine das Sperrwasser im Reservoirvolumen zurückhaltende Stutzenbarriere angeordnet, und der vertikale Abstand zwischen dem Gehäusegrund und der Stutzenbarriere beträgt bevorzugt zwischen 30 mm und 50 mm. Auf diese Weise kann eine besonders flache und damit montagefreundliche Bauform der Ablaufarmatur gewährleistet werden.Preferably, in the nozzle connection section, a retaining barrier retaining the sealing water in the reservoir volume is arranged, and the vertical distance between the housing base and the nozzle barrier is preferably between 30 mm and 50 mm. In this way, a particularly flat and therefore easy to install design of the drain fitting can be ensured.
Die partielle Vertiefung kann sich etwa bis zur Höhe der Stutzenbarriere erstrecken. Auf diese Weise kann die Ausbildung des Luftkanals im Falle eines Unterdrucks bis zur Höhe des in dem Reservoirvolumen maximal möglichen Sperrwasserpegels beeinflusst werden.The partial depression may extend approximately to the height of the nozzle barrier. In this way, the formation of the air duct in the case of a negative pressure can be influenced up to the level of the maximum possible in the reservoir volume Sperrwasserpegels.
In einer weiteren vorteilhaften Ausgestaltung der Ablaufarmatur weist das Reservoirvolumen etwa auf Höhe der Stutzenbarriere und/oder der Vertiefung einen radial auswärtig erweiterten Abschnitt auf. Im Falle eines Unterdrucks im Leitungssystem kann der erweiterte Abschnitt zur Aufnahme von insbesondere aus dem Tauchrohr abgesogenem Sperrwasser, mithin also als eine Art zusätzliches Sperrwasseraufnahmevolumen, fungieren. Auf diese Weise kann eine erhöhte Menge an Sperrwasser vorgehalten werden, welche dazu beiträgt, nach dem Abklingen der Druckstörung einen die zuverlässige Funktion des Geruchverschlusses gewährleistenden Sperrwasserpegel in dem Reservoirvolumen und in dem Tauchrohr wieder herzustellen.In a further advantageous embodiment of the drain fitting, the reservoir volume approximately at the level of the nozzle barrier and / or the recess on a radially outwardly extended portion. In the case of a negative pressure in the line system, the extended section for receiving in particular from the dip tube abgeschogenem barrier water, and thus as a kind of additional barrier water receiving volume, act. In this way, an increased amount of sealing water can be kept available, which helps to restore after the decay of the pressure disturbance a reliable function of the odor trap ensuring sealing water level in the reservoir volume and in the dip tube.
Der Stutzenanschlussabschnitt verbindet bevorzugter Weise den erweiterten Abschnitt mit dem Inneren des Stutzens. Das in dem zuvor erwähnten zusätzlichen Sperrwasseraufnahmevolumen vorgehaltene Sperrwasser kann dadurch mittels Einwirkung der Schwerkraft wieder in den unteren Teil des Reservoirvolumens bzw. in das Tauchrohr zurückfließen.The nozzle connection portion preferably connects the extended portion to the interior of the nozzle. The barrier water stored in the above-mentioned additional barrier water receiving volume can thus flow back into the lower part of the reservoir volume or into the dip tube by the action of gravity.
Das Konstruktionselement ist vorzugsweise derart ausgebildet, dass ein durch Druckschwankungen in einem an die Ablaufarmatur angeschlossenen Leitungssystem bedingtes vollständiges Absaugen des Sperrwassers aus dem Reservoirvolumen verhindert wird. Die Ausgestaltung des Konstruktionselements, beispielsweise die Tiefe und/oder die Form einer partiellen Vertiefung am Stutzenanschlussabschnitt, erfolgt vorzugsweise in Abstimmung mit einzelnen spezifischen Parametern oder einer beliebigen Kombination dieser spezifischen Parameter der Ablaufarmatur, beispielsweise den Volumina des Tauchrohrs sowie des Reservoirvolumens, den Abständen zwischen Ablauf und Gehäusegrund bzw. Gehäusegrund und Stutzenbarriere, sowie gegebenenfalls unter Berücksichtigung der in Leitungssystemen üblicherweise auftretenden Druckschwankungen.The construction element is preferably designed such that a complete suction of the sealing water from the reservoir volume caused by pressure fluctuations in a line system connected to the drain fitting is prevented. The design of the construction element, for example the depth and / or the shape of a partial recess at the nozzle connection section, is preferably in coordination with individual specific parameters or any combination of these specific parameters of the drain fitting, for example, the volumes of the dip tube and the reservoir volume, the intervals between sequence and housing base or housing base and nozzle barrier, and, where appropriate, taking into account the usually occurring in piping pressure fluctuations.
Von der Mitte des Gehäusegrundes kann sich ein Dorn in das Tauchrohr, vorzugsweise nur in den geweiteten Abschnitt des Tauchrohrs, das heißt nicht darüber hinaus, erstrecken. Auf diese Weise kann einer Bildung von Mulden am Gehäusegrund, welche die Strömungsverhältnisse beeinträchtigen können, vorgebeugt werden. Darüber hinaus wird die Gefahr von Ablagerungen in dem Stauraum von ablaufendem Wasser in der Mitte des Gehäusegrundes vermindert.From the center of the housing base, a mandrel in the dip tube, preferably only in the expanded portion of the dip tube, that is not beyond, extend. In this way, a formation of depressions on the housing base, which can affect the flow conditions, be prevented. In addition, the risk of deposits in the storage space of running water in the middle of the housing base is reduced.
In einer weiteren vorteilhaften Ausgestaltung der Ablaufarmatur ist der Strömungsquerschnitt zwischen der dem Gehäusegrund zugewandten Stirnseite des Tauchrohrs und dem Gehäusegrund und/oder zwischen der dem Gehäusegrund zugewandten Stirnseite des Tauchrohrs und der das Reservoirvolumen radial auswärtig begrenzenden Gehäusewand am kleinsten und vergrößert sich unmittelbar danach. Mit anderen Worten ist innerhalb des zuvor definierten Strömungskanals, der vom Innern des Tauchrohrs bis zum Beginn des Stutzenanschlussabschnitts führt, der Strömungsquerschnitt kleiner als an jeder anderen Stelle des Strömungskanals. Ferner ist es bevorzugt, dass der Strömungsquerschnitt im Bereich der partiellen Vertiefung am größten ist. Der größte Strömungsquerschnitt kann gegenüber dem kleinsten Strömungsquerschnitt um mehr als 10%, insbesondere um mehr als 20%, erweitert sein. Auf diese Weise werden besonders günstige Strömungsverhältnisse des Wassers in dem Strömungskanal bewirkt. Weiterhin wirkt sich eine derartige Ausgestaltung vorteilhaft auf die Ausbildung eines Luftkanals zum "Kurzschließen" des Ablaufraums mit dem Leitungssystem im Falle einer Druckdifferenz, welche nicht nur kurzzeitig anhält, aus.In a further advantageous embodiment of the drain fitting, the flow cross-section between the end face of the immersion tube facing the housing base and the housing base and / or between the end face of the immersion tube facing the housing base and the housing wall radially outwardly limiting the reservoir volume is the smallest and increases immediately thereafter. In other words, within the previously defined flow channel, which leads from the interior of the dip tube to the beginning of the nozzle connection section, the flow cross section is smaller than at any other point of the flow channel. Furthermore, it is preferred that the flow cross-section is greatest in the region of the partial depression. The largest flow cross-section can be widened by more than 10%, in particular by more than 20%, compared to the smallest flow cross-section. In this way, particularly favorable flow conditions of the water in the flow channel are effected. Furthermore, such an embodiment has an advantageous effect on the formation of an air channel for "short-circuiting" the drainage space with the line system in the case of a pressure difference, which not only stops for a short time.
Das Reservoirvolumen kann beispielsweise als Ringraum, insbesondere Torus, ausgebildet sein. Es sind aber auch andere die gleiche Funktion erfüllende, geometrische Formen des Reservoirvolumens möglich.The reservoir volume can be designed, for example, as an annular space, in particular a torus. But there are also other fulfilling the same function, geometric shapes of the reservoir volume possible.
Es gibt eine Vielzahl von Möglichkeiten, die erfindungsgemäße Ablaufarmatur mit Geruchverschluss auszugestalten und weiterzubilden. Hierzu wird einerseits auf die dem unabhängigen Patentanspruch nachgeordneten abhängigen Patentansprüche und andererseits auf die Beschreibung eines Ausführungsbeispiels in Verbindung mit der Zeichnung verwiesen. In der Zeichnung zeigen:
- Fig. 1
- ein Ausführungsbeispiel der Ablaufarmatur mit Geruchverschluss gemäß der vorliegenden Erfindung in einer isometrischen Querschnittsansicht und
- Fig. 2a-d
- eine Beschreibung der Funktionsweise des Geruchverschlusses gemäß der vorliegenden Erfindung an Hand schematischer Querschnittsansichten.
- Fig. 1
- an embodiment of the drain fitting with odor trap according to the present invention in an isometric cross-sectional view and
- Fig. 2a-d
- a description of the operation of the odor trap according to the present invention with reference to schematic cross-sectional views.
Im Bereich des Ablaufs 6 ist an dem Gehäuse 4 ein Tauchrohr 8 befestigt, welches sich in die Gehäusekammer 4a bis kurz vor dem Gehäusegrund 10 erstreckt und somit von diesem beabstandet ist. Das Tauchrohr 8 weist in diesem Beispiel eine konkave Wölbung auf, wodurch das Strömungsverhalten eines durch die Ablaufarmatur 2 ablaufenden Fluids, beispielsweise Wasser, günstig beeinflusst und das Volumen des Tauchrohrs 8 verringert werden kann.In the region of the
Mittig am Gehäusegrund 10 ist ein etwa kegelförmiger Dorn 12 angeordnet, welcher sich über die Ebene der unteren Stirnseite des Tauchrohrs 8 in Richtung des Ablaufs 6 in das Tauchrohr 8 erstreckt. Der Dorn 12 verhindert vorteilhafter Weise die Bildung von Mulden am Gehäusegrund 10, welche das Strömungsverhalten negativ beeinflussen und in welchen sich Ablagerungen absetzen können.Centered on the
Zwischen dem Tauchrohr 8 und dem Gehäuse 4 ist ein Reservoirvolumen in diesem Beispiel als Ringraum 14 ausgebildet. Der Ringraum 14 weist an einer Stelle einen Stutzenanschlussabschnitt 16a und einen Stutzen 16 für den Anschluss der Ablaufarmatur 2 an ein Leitungssystem (nicht gezeigt), beispielsweise ein Betriebswasser- oder Grauwasserleitungssystem, auf. Damit ablaufendes Wasser von dem Ringraum 14 in den Stutzen 16 abfließen kann, muss es eine an dem Gehäuse 4 vorgesehene Barriere 18 überwinden, welche von dem Gehäuse 4 gebildet wird und sich in diesem Beispiel bis knapp unterhalb der Höhe des Ablaufs 6 erstreckt. Der Ringraum 14 weist in diesem Beispiel einen knapp unterhalb der Stutzenbarriere 18 angeordneten radial auswärtig erweiterten Abschnitt 21 auf, um im Ringraum 14 ein zusätzliches Volumen zur Aufnahme von Sperrwasser (nicht gezeigt) zu schaffen.Between the dip tube 8 and the
Im Stutzenanschlussabschnitt 16a befindet sich etwas unterhalb der Barrierehöhe eine in diesem Beispiel partielle, radial auswärtige Vertiefung 20, welche als Konstruktionselement fungiert. Durch die partielle Vertiefung 20 wird der Strömungsquerschnitt des vom Inneren des Tauchrohrs 8 zum Stutzenanschlussabschnitt 16a führenden Strömungskanals modifiziert. Durch die partielle Vertiefung 20 ist es möglich, im Fall eines Unterdrucks im angeschlossenen Leitungssystem die Strömung vom am Ablauf 6 eingesogener Luft so zu kanalisieren, dass ein großer Teil des Sperrwassers (nicht dargestellt) im Ringraum 14 nicht abgesogen wird. Vielmehr kann ein Teil des Sperrwassers während der Druckstörung im Ringraum 14 vorgehalten werden. Nach dem Nachlassen der Druckstörung kann das so vorgehaltene Sperrwasser in das Tauchrohr 8 zurückfließen und den für den Geruchverschluss erforderlichen Sperrwasserpegel wiederherstellen.In the nozzle connection portion 16a is slightly below the barrier height in this example partial, radially
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Claims (9)
- A drainage fitting (2) with odor trap, with a housing (4) which has a drain (6) and which forms a housing chamber (4a), and with an immersion pipe (8) which extends into the housing chamber (4a) and which is spaced apart from the housing base (10) and, together with the housing (4), delimits a reservoir volume in the form of an annular chamber (14), wherein a nozzle (16) extends from the reservoir volume (14) for connecting to a pipe system, wherein a nozzle connection section (16a) connecting the reservoir volume (14) to the interior of the nozzle (16) is provided in the housing (4), and wherein the odor trap is effected by means of seal water provided in the immersion pipe (8) and in the reservoir volume (14), wherein a constructional element is provided which widens the flow cross-section of a flow channel that leads from the interior of the immersion pipe (8) to the nozzle connection section (16a) and thus is formed in such a manner that it effects a change in the flow behavior in the flow channel, characterized in that the constructional element is formed in the nozzle connection section (16a) by a partial recess (20) which therefore extends only over a certain section of the circumference of the housing (4) and which extends radially outwards with respect to the annular chamber (14), and that the immersion pipe (8) widens on the inside towards the housing base (10).
- The drainage fitting according to claim 1, characterized in that a nozzle barrier (18) retaining the seal water in the reservoir volume (14) is arranged in the nozzle connection section (16a), and the vertical spacing between the housing base (10) and the nozzle barrier (18) lies in particular between 30 mm and 50 mm.
- The drainage fitting according to claim 2, characterized in that approximately at the level of the nozzle barrier (18) and/or the recess (20), the reservoir volume (14), the reservoir volume (14) has a section (21) that is widened radially outwards with respect to the annular chamber (14).
- The drainage fitting according to claim 3, characterized in that the nozzle connection section (16a) connects the widened section (21) to the interior of the nozzle (16).
- The drainage fitting according to any one of claims 1 to 4, characterized in that the immersion pipe (8) has a concave curvature.
- The drainage fitting according to any one of claims 1 to 5, characterized in that a pin (12) extends from the center of the housing base (10) into the immersion pipe (8).
- The drainage fitting according to any one of claims 1 to 6, characterized in that between that front face of the immersion pipe (8) that faces the housing base (10) and the housing base (10), and/or between that front face of the immersion pipe (8) that faces the housing base (10) and the housing wall radially outwardly delimiting the reservoir volume (14) with respect to the annular chamber (14), the flow cross-section is at its smallest and enlarges immediately thereafter.
- The drainage fitting according to any one of claims 1 to 7, characterized in that the flow cross-section is at its largest in the region of the partial recess (20).
- The drainage fitting according to any one of claims 1 to 8, characterized in that the largest flow cross-section is widened by more than 10%, in particular by more than 20%, with respect to the smallest flow cross-section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09165624T PL2157248T3 (en) | 2008-08-22 | 2009-07-16 | Drainage fittings with smell lock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202008011197U DE202008011197U1 (en) | 2008-08-22 | 2008-08-22 | Drain fitting with odor trap |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2157248A2 EP2157248A2 (en) | 2010-02-24 |
EP2157248A3 EP2157248A3 (en) | 2011-05-11 |
EP2157248B1 true EP2157248B1 (en) | 2014-11-19 |
Family
ID=41268210
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09165624.9A Active EP2157248B1 (en) | 2008-08-22 | 2009-07-16 | Drainage fittings with smell lock |
EP09168394.6A Active EP2157249B1 (en) | 2008-08-22 | 2009-08-21 | Drainage fitting with odour trap |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09168394.6A Active EP2157249B1 (en) | 2008-08-22 | 2009-08-21 | Drainage fitting with odour trap |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP2157248B1 (en) |
DE (1) | DE202008011197U1 (en) |
DK (2) | DK2157248T3 (en) |
ES (2) | ES2527777T3 (en) |
PL (2) | PL2157248T3 (en) |
PT (2) | PT2157248E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022055246A1 (en) * | 2020-09-09 | 2022-03-17 | 양정석 | Drain trap having structure that blocks transmission of pathogens between floors |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2426283A3 (en) * | 2010-09-01 | 2014-07-23 | Urs Gassmann | Multipurpose siphon |
DE102010044940B4 (en) * | 2010-09-10 | 2022-01-27 | Stephan Wedi | Sewage drain with odor trap |
DE102010046179A1 (en) * | 2010-09-23 | 2012-03-29 | Stephan Wedi | Wastewater drain with odor trap, especially as a drain for shower trays |
CN103104025B (en) * | 2013-02-06 | 2015-12-09 | 开平市新明光五金制品有限公司 | A kind of floor drain with refuse container |
CN113216364B (en) * | 2021-05-25 | 2022-09-20 | 广东电白建设集团有限公司 | Municipal deep well drainage device based on siphon effect |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE612059A (en) * | 1961-12-28 | 1962-04-16 | Gerard Beerts | Improvements made to siphons for liquid evacuation pipes. |
US3651826A (en) | 1969-11-19 | 1972-03-28 | Noriatsu Kojima | Drain trap for horizontal drain pipe |
DE9102860U1 (en) * | 1991-03-09 | 1991-05-29 | Fa. Franz Viegener Ii, 5952 Attendorn, De | |
DE9310407U1 (en) | 1993-07-13 | 1993-09-02 | Viegener Ii Fa Franz | Odor trap for a drain fitting |
DE19649239A1 (en) * | 1996-06-27 | 1998-01-02 | Scheffer Ohg Franz | Drain fitting with adjustable immersion pipe and welded housing |
FR2800260B1 (en) | 1999-11-03 | 2002-04-12 | Wirquin Plastiques Sa | SANITARY INSTALLATION AND VIDANDE DEVICE FOR SUCH AN INSTALLATION |
DE202005017965U1 (en) | 2005-11-15 | 2007-03-29 | Viega Gmbh & Co. Kg | Drainage device for a floor-level shower |
ATE432392T1 (en) * | 2005-12-13 | 2009-06-15 | Geberit Technik Ag | DRAIN FOR SANITARY APPARATUS |
DE102006053756A1 (en) * | 2006-11-13 | 2008-05-15 | Hansgrohe Ag | Drainage armature for shower tub or bath tub, has separating wall arranged between interior and discharge nozzle, and limiting wall of interior connected with upper wall of housing in gas-tight manner and designed as single unit |
DE102006053751A1 (en) | 2006-11-13 | 2008-05-15 | Hansgrohe Ag | Drainage fitting for e.g. shower tub, has opening formed in partition, and stopper closing opening and comprising starting device that is accessible from interior space of housing, where partition is between space and discharge nozzle |
DE102006058259A1 (en) | 2006-12-08 | 2008-06-19 | Kludi Gmbh & Co. Kg | Flat siphon for washstand or sink, comprises pipe body closed at its one end or bypasses into deflecting elbow and upper partition is arranged within tubing cross section of pipe body and lower partition is spaced axial to upper partition |
DE202008001013U1 (en) | 2008-01-23 | 2009-06-18 | Viega Gmbh & Co. Kg | Drain fitting, especially for shower or bathtubs |
-
2008
- 2008-08-22 DE DE202008011197U patent/DE202008011197U1/en not_active Expired - Lifetime
-
2009
- 2009-07-16 PT PT91656249T patent/PT2157248E/en unknown
- 2009-07-16 EP EP09165624.9A patent/EP2157248B1/en active Active
- 2009-07-16 ES ES09165624.9T patent/ES2527777T3/en active Active
- 2009-07-16 PL PL09165624T patent/PL2157248T3/en unknown
- 2009-07-16 DK DK09165624.9T patent/DK2157248T3/en active
- 2009-08-21 PT PT91683946T patent/PT2157249E/en unknown
- 2009-08-21 ES ES09168394.6T patent/ES2496667T3/en active Active
- 2009-08-21 DK DK09168394.6T patent/DK2157249T3/en active
- 2009-08-21 EP EP09168394.6A patent/EP2157249B1/en active Active
- 2009-08-21 PL PL09168394T patent/PL2157249T3/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022055246A1 (en) * | 2020-09-09 | 2022-03-17 | 양정석 | Drain trap having structure that blocks transmission of pathogens between floors |
Also Published As
Publication number | Publication date |
---|---|
EP2157248A3 (en) | 2011-05-11 |
PT2157249E (en) | 2014-09-08 |
PT2157248E (en) | 2015-02-04 |
EP2157249A3 (en) | 2011-05-11 |
DK2157248T3 (en) | 2015-01-26 |
PL2157248T3 (en) | 2015-04-30 |
DK2157249T3 (en) | 2014-09-15 |
EP2157249A2 (en) | 2010-02-24 |
DE202008011197U1 (en) | 2009-12-31 |
PL2157249T3 (en) | 2014-11-28 |
ES2527777T3 (en) | 2015-01-29 |
ES2496667T3 (en) | 2014-09-19 |
EP2157248A2 (en) | 2010-02-24 |
EP2157249B1 (en) | 2014-06-18 |
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