EP2871294A1 - Inlet valve for a cistern - Google Patents
Inlet valve for a cistern Download PDFInfo
- Publication number
- EP2871294A1 EP2871294A1 EP20130192466 EP13192466A EP2871294A1 EP 2871294 A1 EP2871294 A1 EP 2871294A1 EP 20130192466 EP20130192466 EP 20130192466 EP 13192466 A EP13192466 A EP 13192466A EP 2871294 A1 EP2871294 A1 EP 2871294A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flow
- water
- inlet fitting
- guide channel
- water guide
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 235000019589 hardness Nutrition 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001595 flow curve Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
- E03D1/32—Arrangement of inlet valves
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/38—Adaptations or arrangements of flushing pipes
Definitions
- the present invention relates to an inlet fitting for a cistern according to the preamble of claim 1.
- Inlet fittings are used for filling cisterns of sanitary items, such as toilets or urinals.
- the filling should be done in a relatively short period of time, so that the flushing is quickly operational again.
- the noise should be small, so that the user can not perceive the filling acoustically.
- the invention has for its object to provide an inlet fitting which is as quiet as possible when flow of rinse water.
- an inlet fitting for filling a cistern comprises a housing, a housing arranged in the water supply channel with an input and an output, and arranged in the water channel channel float-controlled valve, which blocks the water supply channel or during filling free.
- a flow limiting element is present in the water guide channel, which limits the flow with increasing water pressure so that the flow of water is kept constant by the flow limiting element upon reaching and / or exceeding a predetermined water pressure.
- the inlet fitting thus includes continue the flow restrictor, which limits the flow accordingly.
- the flow restricting element is preferably controlled by the water pressure. By limiting the flow at high pressures, the inlet fitting can be operated quieter.
- the predetermined pressure is in the range of 3 to 7 bar, in particular 4 to 6.
- the constant flow rate is preferably in the range of 0.1 to 0.2 liters per second.
- the flow-limiting element preferably reduces the cross-section of the water-guiding channel with increasing pressure.
- the flow-limiting element is preferably designed such that when a maximum pressure is present, a minimal cross-section remains open. Consequently, therefore, limited by the cross-sectional change of the flow. Ensuring a minimum opening, even at high pressures, ensures that the flow restrictor does not act as a fine filter.
- the flow-limiting element comprises at least one elastic element arranged in the water guide channel, which elastic element is deformed with increasing pressure and due to the deformation reduces the cross-section of the water guide channel in the region of the flow-limiting element.
- the flow restricting element comprises a narrowing the cross-section of the water guide channel constriction, wherein said elastic element is seen in the direction of flow of the water before and spaced from the constriction.
- the distance between the elastic member and the constriction is reduced with increasing pressure, thereby reducing the cross section of the water flow channel for flow reduction.
- the restriction is provided by at least one opening provided in a wall which projects into or protrudes into the water guide channel.
- the wall can be an integral part of the housing or be inserted into the water channel.
- the wall to the elastic element projecting support points or support ribs.
- These support ribs provide for a minimum distance between the wall and the elastic element, whereby the said minimum cross section can be provided at high pressures.
- the elastic element is an elastic disc.
- the disc is deformable in the direction of water flow through the water.
- the elastic element in particular the said elastic disc, is preferably arranged on a mandrel in the water guide channel, which mandrel preferably extends from the wall.
- the disc or the elastic element has a corresponding opening.
- the mandrel and thus also the opening are arranged centrally in the water guide channel.
- the elastic element is arranged on a carrier element inserted into the water guide channel.
- the carrier element is part of the flow-limiting element and can be easily inserted into the water supply channel.
- the elastic element is mounted on or in a side wall of the water guide channel and extends from there into the water supply channel.
- the support member provides said restriction.
- the carrier element preferably comprises the said wall and the opening.
- the elastic element has a Shore hardness of greater than 50 Shore or greater than 60 Shore or greater than 70 Shore.
- the inlet fitting comprises an outlet pipe, through which the rinse water can be dispensed into a cistern and provides the outlet of the water guide channel, wherein the pressure limiting means located in the flow direction in front of the outlet pipe.
- the water supply channel comprises a nozzle with a nozzle channel, wherein the flow limiting element is part of the nozzle or in the immediate vicinity of the nozzle.
- the flow-limiting element lies in the direction of flow after the nozzle.
- the flow limiting element is seen in the direction of flow in front of the float-controlled valve.
- FIG. 1 a sectional view of an inlet fitting 1 for the filling of a cistern is shown.
- the inlet fitting 1 comprises a housing 2, a water guide channel 3 arranged in the housing 2 with an inlet 4 and an outlet 5 and a float-controlled valve 6 arranged in the water guide channel 3, which blocks the water guide channel 3 or releases it during filling.
- the input 4 is in communication with a water supply line, not shown here and the output 5 opens into the cistern.
- the float controlled valve 6 is coupled to a float. Via the float the valve 6 can be opened or closed according to the water level in the cistern. When the cistern is empty, the valve 6 is open and the valve 6 is closed when the cistern is filled.
- a flow-limiting element 7 is arranged in the water guide channel 3. With the flow-limiting element 7, the flow within the water guide channel 3 can be controlled or limited.
- the flow-limiting element 7 limits the flow in the water guide channel 3 such that upon reaching and / or exceeding a predetermined water pressure, the flow through the flow-limiting element 7 is kept constant. Thus, the flow will not continue to increase despite increasing water pressure.
- the flow-limiting element 7 thus has the function of limiting the flow when a predetermined water pressure is exceeded.
- the function of the flow limiting element 7 is in the FIG. 5 shown.
- the curve with the reference symbol K1 shows a characteristic flow curve from inlet fittings of the prior art.
- the curve K2 shows a flow characteristic in an inventive inlet fitting. From the curve K2 can be seen that upon reaching a predetermined pressure P1, the flow is kept constant. The level of the constant flow is indicated by the reference Q1. This in contrast to known from the prior art inlet fittings, in which, as shown by the curve K1, the flow also increases with increasing pressure.
- the predetermined pressure P1, from which the flow is kept constant is preferably in the range of 3 to 7 bar, in particular from 4 to 6 bar.
- the constant flow Q1 is preferably in the range of 0.1 to 0.2 liters per second. Particularly preferred is a flow rate of 0.15 liters per second. Other values are depending on Training the inlet fitting also conceivable.
- FIGS. 3 and 4 show a schematic diagram of a flow-limiting element 7.
- Flow-limiting element 7 and water supply channel 3 are shown schematically.
- the flow restriction member 7 is shown at a pressure P below the predetermined pressure P1.
- the pressure P is smaller than the predetermined pressure P1.
- the flow restricting element 7 stands in its unchanged position in the water supply channel 3. The flow rate is not significantly affected by the flow restricting element 7.
- the flow restricting element 7 reduces the cross section of the water guide channel 3 with increasing pressure, so that the flow rate remains constant when the predetermined pressure is exceeded.
- the flow limiting element 7 is designed such that when a maximum pressure is reached, a minimal cross section remains open. The flow-limiting element 7 thus allows the passage of water for each pressure.
- the flow-limiting element 7 preferably has the shape of an elastic element 8.
- the elastic element 8 is arranged in the water guide channel 3 and is characterized by the rising Water pressure deformed accordingly. As a result of the deformation, the cross-section of the water guide channel 3 in the area of the flow-limiting element 7 is reduced.
- constriction 9 that narrows the cross-section of the water channel 3.
- the constriction 9 can be part of the flow-limiting element 7.
- Said elastic element 8 is seen in the direction of flow F of the water before and spaced from the constriction 9.
- the distance between the elastic member 8 and the constriction 9 is reduced with increasing pressure, whereby the cross section of the water supply channel 3 for flow reduction in this area is reduced.
- This narrowing can be particularly in the FIGS. 2 to 4 be well recognized.
- FIG. 2 The reduction of the cross section in the region of the elastic element 8, which is shown in the deformed state with the dotted line, and the constriction 9 is also shown.
- the constriction 9 is preferably provided by an opening 10 provided in a wall 11 which protrudes or protrudes into the water guide channel.
- the constriction 9 may have the shape of a single opening or a plurality of openings in the corresponding wall.
- the wall 11 is perpendicular to the direction of flow in the water supply channel.
- the wall 11 may have support points, which are oriented towards the elastic element 8. These support points are not shown in the figures. These support points prevent the elastic element 8 from moving completely towards the wall 11 and completely closing the opening 10.
- the elastic element 8 can be arranged in various ways in the water supply channel 3.
- the elastic element 8 is arranged on a mandrel 13.
- the mandrel 13 extends away from the wall 11 here.
- the mandrel 13 has a shoulder 12, which serves as a stop for the elastic element 8.
- Paragraph 12 and thus also the elastic element 8 is spaced from the wall 11 and from the opening 10. This also ensures that the elastic element 8 moves completely towards the wall 11 and the opening 10 completely closes.
- the elastic element 8 can also be arranged in a carrier element 17 inserted in the water guide channel 3.
- the support member 17 is in the FIG. 2 shown accordingly.
- the support member 17 of the said mandrel 13 is arranged.
- the carrier element 17 provides the said constriction 9 as well as the said wall 11.
- the carrier element 11 can be inserted into the water guide channel and stands here at an angle to the water guide channel wall 18 at.
- the elastic element 8 can also be mounted in the region of the side wall of the water-guiding channel 3.
- the elastic element 8 can be embedded in the side wall via a bearing section.
- the elastic element 8 particularly preferably has a Shore hardness of greater than 50 Shore or greater than 60 Shore, in particular greater than 70 Shore. These Shore hardnesses have proven to be particularly advantageous in experiments.
- the output 5 is followed by an outlet pipe 14 through which the rinse water can be discharged into a cistern.
- the outlet pipe 14 opens with a corresponding outlet 19 in the cistern.
- the pressure limiting element 7 is located in the flow direction in front of the outlet pipe 14.
- the water supply channel 3 comprises a nozzle 15 with a nozzle channel 16.
- the flow restricting element 7 may be part of the nozzle 15, as shown in the figures.
- the flow-limiting element 7 can also be in the vicinity, in particular in the immediate vicinity, to the nozzle 15.
- the flow-limiting element 7 seen in the direction of flow may be spaced from the nozzle 15.
- the flow-limiting element 7, viewed in the direction of flow F, lies in front of the float-controlled valve 6. This prevents the float-controlled valve 6 from being loaded with the large flow rates above Q1. This further reduces the noise when filling the cistern.
- the flow restriction element has the advantage that the flow is automatically limited with increasing water pressure, which makes the inlet set lower noise.
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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)
- Safety Valves (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
Eine Einlaufgarnitur (1) für die Befüllung eines Spülkastens umfasst ein Gehäuse (2), ein im Gehäuse (2) angeordneten Wasserführungskanal (3) mit einem Eingang (4) und einem Ausgang (5), und ein im Wasserführungskanal (3) angeordnetes schwimmergesteuertes Ventil (6), welches den Wasserführungskanal (3) sperrt bzw. bei der Befüllung frei gibt. Weiter ist im Wasserführungskanal (3) ein Durchflussbegrenzungselement (7) vorhanden, welches den Durchfluss bei steigendem Wasserdruck so begrenzt, dass der Durchfluss des Wassers durch das Durchflussbegrenzungselement (7) bei Erreichen und/oder Überschreiten eines vorbestimmten Wasserdruckes konstant gehalten wird. An inlet fitting (1) for filling a flushing cistern comprises a housing (2), a water guide channel (3) arranged in the housing (2) with an inlet (4) and an outlet (5), and a float-controlled one arranged in the water guide channel (3) Valve (6), which blocks the water supply channel (3) or releases during filling. Further, in the water supply channel (3) a flow-limiting element (7) is provided, which limits the flow with increasing water pressure so that the flow of water through the flow limiting element (7) is kept constant on reaching and / or exceeding a predetermined water pressure.
Description
Die vorliegende Erfindung betrifft eine Einlaufgarnitur für einen Spülkasten nach dem Oberbegriff von Anspruch 1.The present invention relates to an inlet fitting for a cistern according to the preamble of
Einlaufgarnituren dienen der Befüllung von Spülkästen von Sanitärartikeln, wie Toiletten oder Urinalen. Die Befüllung soll dabei in einer relativ kleinen Zeitdauer erfolgen, so dass die Spülung wieder rasch einsatzfähig ist. Zudem soll die Geräuschbildung klein sein, so dass der Benutzer die Befüllung nicht akustisch wahrnehmen kann.Inlet fittings are used for filling cisterns of sanitary items, such as toilets or urinals. The filling should be done in a relatively short period of time, so that the flushing is quickly operational again. In addition, the noise should be small, so that the user can not perceive the filling acoustically.
Der Erfindung liegt eine Aufgabe zugrunde, eine Einlaufgarnitur anzugeben, welche beim Durchfluss von Spülwasser möglichst geräuscharm ist.The invention has for its object to provide an inlet fitting which is as quiet as possible when flow of rinse water.
Diese Aufgabe löst der Gegenstand von Anspruch 1. Demgemäss umfasst eine Einlaufgarnitur für die Befüllung eines Spülkastens ein Gehäuse, ein im Gehäuse angeordneter Wasserführungskanal mit einem Eingang und einem Ausgang, und ein im Wasserführungskanal angeordnetes schwimmergesteuertes Ventil, welches den Wasserführungskanal sperrt bzw. bei der Befüllung frei gibt. Weiter ist im Wasserführungskanal ein Durchflussbegrenzungselement vorhanden, welches den Durchfluss bei steigendem Wasserdruck so begrenzt, dass der Durchfluss des Wassers durch das Durchflussbegrenzungselement bei Erreichen und/oder Überschreiten eines vorbestimmten Wasserdruckes konstant gehalten wird. Die Einlaufgarnitur umfasst also weiterhin das Durchflussbegrenzungselement, welches den Durchfluss entsprechend begrenzt.Accordingly, an inlet fitting for filling a cistern comprises a housing, a housing arranged in the water supply channel with an input and an output, and arranged in the water channel channel float-controlled valve, which blocks the water supply channel or during filling free. Further, a flow limiting element is present in the water guide channel, which limits the flow with increasing water pressure so that the flow of water is kept constant by the flow limiting element upon reaching and / or exceeding a predetermined water pressure. The inlet fitting thus includes continue the flow restrictor, which limits the flow accordingly.
Das Durchflussbegrenzungselement wird vorzugsweise über den Wasserdruck gesteuert. Durch die Begrenzung des Durchflusses bei hohen Drücken kann die Einlaufgarnitur geräuscharmer betrieben werden.The flow restricting element is preferably controlled by the water pressure. By limiting the flow at high pressures, the inlet fitting can be operated quieter.
Vorzugsweise liegt der vorbestimmte Druck im Bereich von 3 bis 7 bar, insbesondere 4 bis 6. Der konstante Durchfluss liegt bevorzugt im Bereich von 0.1 bis 0.2 Liter pro Sekunde.Preferably, the predetermined pressure is in the range of 3 to 7 bar, in particular 4 to 6. The constant flow rate is preferably in the range of 0.1 to 0.2 liters per second.
Vorzugsweise verkleinert das Durchflussbegrenzungselement den Querschnitt des Wasserführungskanals bei ansteigendem Druck. Das Durchflussbegrenzungselement ist vorzugsweise derart ausgebildet, dass bei Vorliegen eines Maximaldruckes ein minimaler Querschnitt offen bleibt. Folglich wird also durch die Querschnittsveränderung der Durchfluss begrenzt. Durch die Sicherstellung einer minimalen Öffnung auch bei hohen Drücken wird erreicht, dass das Durchflussbegrenzungselement nicht als Feinfilter wirkt.The flow-limiting element preferably reduces the cross-section of the water-guiding channel with increasing pressure. The flow-limiting element is preferably designed such that when a maximum pressure is present, a minimal cross-section remains open. Consequently, therefore, limited by the cross-sectional change of the flow. Ensuring a minimum opening, even at high pressures, ensures that the flow restrictor does not act as a fine filter.
Besonders bevorzugt umfasst das Durchflussbegrenzungselement mindestens ein im Wasserführungskanal angeordnetes elastisches Element, welches elastische Element bei ansteigenden Druck verformt wird und durch die Verformung den Querschnitt des Wasserführungskanals im Bereich des Durchflussbegrenzungselements verkleinert.Particularly preferably, the flow-limiting element comprises at least one elastic element arranged in the water guide channel, which elastic element is deformed with increasing pressure and due to the deformation reduces the cross-section of the water guide channel in the region of the flow-limiting element.
Vorzugsweise umfasst das Durchflussbegrenzungselement eine den Querschnitt des Wasserführungskanal verkleinernde Verengung, wobei das besagte elastische Element in Fliessrichtung des Wassers gesehen vor und beabstandet zur Verengung angeordnet ist. Der Abstand zwischen dem elastischen Element und der Verengung wird bei steigendem Druck verkleinert, wodurch der Querschnitt des Wasserführungskanals zur Durchflussreduktion verkleinert wird.Preferably, the flow restricting element comprises a narrowing the cross-section of the water guide channel constriction, wherein said elastic element is seen in the direction of flow of the water before and spaced from the constriction. The distance between the elastic member and the constriction is reduced with increasing pressure, thereby reducing the cross section of the water flow channel for flow reduction.
Vorzugsweise wird die Verengung durch mindestens eine Öffnung, die in einer Wand, welche in den Wasserführungskanal ein ragt oder hindurch ragt, bereitgestellt. Die Wand kann dabei integraler Bestandteil des Gehäuses sein oder in den Wasserführungskanal eingesetzt sein.Preferably, the restriction is provided by at least one opening provided in a wall which projects into or protrudes into the water guide channel. The wall can be an integral part of the housing or be inserted into the water channel.
Besonders bevorzugt weist die Wand zum elastischen Element ragende Stützstellen oder Stützrippen auf. Diese Stützrippen sorgen für einen Minimalabstand zwischen Wand und dem elastischen Element, wodurch der besagte minimale Querschnitt bei hohen Drücken bereitstellbar ist.Particularly preferably, the wall to the elastic element projecting support points or support ribs. These support ribs provide for a minimum distance between the wall and the elastic element, whereby the said minimum cross section can be provided at high pressures.
Vorzugsweise ist das elastische Element eine elastische Scheibe. Die Scheibe ist dabei in Fliessrichtung des Wasser durch das Wasser verformbar.Preferably, the elastic element is an elastic disc. The disc is deformable in the direction of water flow through the water.
Das elastische Element, insbesondere die besagte elastische Scheibe, ist vorzugsweise auf einem Dorn im Wasserführungskanal angeordnet, welcher Dorn sich vorzugsweise von der Wand erstreckt. Hierfür weist die Scheibe bzw. das elastische Element eine entsprechende Öffnung auf. Vorzugsweise sind der Dorn und somit auch die Öffnung mittig im Wasserführungskanal angeordnet.The elastic element, in particular the said elastic disc, is preferably arranged on a mandrel in the water guide channel, which mandrel preferably extends from the wall. For this purpose, the disc or the elastic element has a corresponding opening. Preferably, the mandrel and thus also the opening are arranged centrally in the water guide channel.
Besonders bevorzugt ist das elastische Element an einem in den Wasserführungskanal eingesetzten Trägerelement angeordnet. Das Trägerelement ist dabei ein Teil des Durchflussbegrenzungselementes und kann einfach in den Wasserführungskanal eingesetzt werden. Alternativ ist das elastische Element an oder in einer Seitenwand des Wasserführungskanals gelagert und erstreckt sich von dort in den Wasserführungskanal hinein.Particularly preferably, the elastic element is arranged on a carrier element inserted into the water guide channel. The carrier element is part of the flow-limiting element and can be easily inserted into the water supply channel. Alternatively, the elastic element is mounted on or in a side wall of the water guide channel and extends from there into the water supply channel.
Vorzugsweise stellt das Trägerelement die besagte Verengung bereit. Zudem umfasst das Trägerelement vorzugsweise die besagte Wand und die Öffnung.Preferably, the support member provides said restriction. In addition, the carrier element preferably comprises the said wall and the opening.
Vorzugsweise weist das elastische Element eine Shore-Härte von grösser als 50 Shore oder grösser als 60 Shore oder grösser als 70 Shore auf.Preferably, the elastic element has a Shore hardness of greater than 50 Shore or greater than 60 Shore or greater than 70 Shore.
Vorzugsweise umfasst die Einlaufgarnitur ein Auslassrohr, durch welches das Spülwasser in einen Spülkasten abgebbar ist und den Ausgang des Wasserführungskanals bereitstellt, wobei das Druckbegrenzungsmittel in Strömungsrichtung gesehen vor dem Auslassrohr liegt.Preferably, the inlet fitting comprises an outlet pipe, through which the rinse water can be dispensed into a cistern and provides the outlet of the water guide channel, wherein the pressure limiting means located in the flow direction in front of the outlet pipe.
Vorzugsweise umfasst der Wasserführungskanal eine Düse mit einem Düsenkanal, wobei das Durchflussbegrenzungselement Teil der Düse ist oder in unmittelbarer Nähe zur Düse liegt. Besonders bevorzugt liegt das Durchflussbegrenzungselement in Fliessrichtung gesehen nach der Düse.Preferably, the water supply channel comprises a nozzle with a nozzle channel, wherein the flow limiting element is part of the nozzle or in the immediate vicinity of the nozzle. Particularly preferably, the flow-limiting element lies in the direction of flow after the nozzle.
Vorzugsweise liegt das Durchflussbegrenzungselement in Fliessrichtung gesehen vor dem schwimmergesteuerten Ventil.Preferably, the flow limiting element is seen in the direction of flow in front of the float-controlled valve.
Weitere Ausführungsformen sind in den abhängigen Ansprüchen angegeben.Further embodiments are given in the dependent claims.
Bevorzugte Ausführungsformen der Erfindung werden im Folgenden anhand der Zeichnungen beschrieben, die lediglich zur Erläuterung dienen und nicht einschränkend auszulegen sind. In den Zeichnungen zeigen:
- Fig. 1
- eine Schnittansicht durch ein Füllventil mit einem Durchflussbegrenzungselement;
- Fig. 2
- eine Detailansicht der
; undFigur 1 - Fig. 3
- eine schematische Detailansicht des Durchflussbegrenzungselementes im unbelasteten Zustand;
- Fig. 4
- eine schematische Detailansicht des Durchflussbegrenzungselementes im belasteten Zustand; und
- Fig. 5
- das Durchflussverhalten eines herkömmlichen Füllventils und des Füllventils nach einer der vorhergehenden Figuren.
- Fig. 1
- a sectional view through a filling valve with a flow-limiting element;
- Fig. 2
- a detailed view of the
FIG. 1 ; and - Fig. 3
- a schematic detail view of the flow limiting element in the unloaded state;
- Fig. 4
- a schematic detail view of the flow limiting element in the loaded state; and
- Fig. 5
- the flow behavior of a conventional filling valve and the filling valve according to one of the preceding figures.
In der
Der Eingang 4 steht mit einer hier nicht gezeigten Wasserversorgungsleitung in Verbindung und der Ausgang 5 mündet in den Spülkasten. Dem Ausgang 5 kann sich ein Auslassrohr 14 anschliessen. Das schwimmergesteuerte Ventil 6 ist mit einem Schwimmer gekoppelt. Über den Schwimmer lässt sich das Ventil 6 nach dem Wasserstand im Spülkasten öffnen oder schliessen. Bei leerem Spülkasten ist das Ventil 6 offen und bei befülltem Spülkasten ist das Ventil 6 geschlossen.The
Weiter ist im Wasserführungskanal 3 ein Durchflussbegrenzungselement 7 angeordnet. Mit dem Durchflussbegrenzungselement 7 lässt sich der Durchfluss innerhalb des Wasserführungskanals 3 steuern bzw. begrenzen. Das Durchflussbegrenzungselement 7 begrenzt den Durchfluss im Wasserführungskanal 3 derart, dass bei Erreichen und/oder Überschreiten eines vorbestimmten Wasserdruckes, der Durchfluss durch das Durchflussbegrenzungselement 7 konstant gehalten wird. Der Durchfluss wird also trotz steigendem Wasserdruck nicht weiter ansteigen. Das Durchflussbegrenzungselement 7 hat also die Funktion der Durchflussbegrenzung wenn ein vorbestimmter Wasserdruck überschritten wird.Furthermore, a flow-limiting
Die Funktion des Durchflussbegrenzungselementes 7 wird in der
Der vorbestimmte Druck P1, ab welchem der Durchfluss konstant gehalten wird, liegt vorzugsweise im Bereich von 3 bis 7 bar, insbesondere von 4 bis 6 bar. Der konstante Durchfluss Q1 liegt vorzugsweise im Bereich von 0,1 bis 0,2 Liter pro Sekunde. Besonders bevorzugt ist ein Durchfluss von 0,15 Liter pro Sekunde. Andere Werte sind je nach Ausbildung der Einlaufgarnitur auch denkbar.The predetermined pressure P1, from which the flow is kept constant, is preferably in the range of 3 to 7 bar, in particular from 4 to 6 bar. The constant flow Q1 is preferably in the range of 0.1 to 0.2 liters per second. Particularly preferred is a flow rate of 0.15 liters per second. Other values are depending on Training the inlet fitting also conceivable.
Die
In der
In der
In allgemeinen Worten gesagt verkleinert das Durchflussbegrenzungselement 7 den Querschnitt des Wasserführungskanals 3 bei ansteigendem Druck, so dass die Durchflussmenge bei Überschreiten des vorbestimmten Druckes konstant bleibt.In general terms, the
Das Durchflussbegrenzungselement 7 ist derart ausgebildet, dass bei Erreichen eines maximalen Druckes ein minimaler Querschnitt offen bleibt. Das Durchflussbegrenzungselement 7 lässt also für jeden Druck den Durchtritt von Wasser zu.The
Von den
Im Zusammenhang mit der
Wie in den Figuren gezeigt wird, liegt in Fliessrichtung F gesehen nach dem Durchflussbegrenzungselement 7 eine den Querschnitt des Wasserkanals 3 verkleinernde Verengung 9. Die Verengung 9 kann Teil des Durchflussbegrenzungselementes 7 sein. Das besagte elastische Element 8 ist dabei in Fliessrichtung F des Wassers gesehen vor und beabstandet zur Verengung 9 angeordnet. Der Abstand zwischen dem elastischen Element 8 und der Verengung 9 wird bei steigendem Druck verkleinert, wodurch der Querschnitt des Wasserführungskanals 3 zur Durchflussreduktion in diesem Bereich verkleinert wird. Diese Verengung kann insbesondere in den
Die Verengung 9 wird vorzugsweise durch eine Öffnung 10 bereitgestellt, die in einer Wand 11, welche in den Wasserführungskanal einragt oder hindurchragt, bereitgestellt wird. Die Verengung 9 kann dabei die Gestalt einer einzigen Öffnung aufweisen oder eine Vielzahl von Öffnungen in der entsprechenden Wand. Vorzugsweise steht die Wand 11 rechtwinklig zur Fliessrichtung im Wasserführungskanal.The
Die Wand 11 kann Stützstellen aufweisen, welche zum elastischen Element 8 hin orientiert sind. Diese Stützstellen werden in den Figuren aber nicht dargestellt. Diese Stützstellen verhindern, dass sich das elastische Element 8 vollständig zur Wand 11 hin bewegt und die Öffnung 10 vollständig verschliesst.The
Das elastische Element 8 kann verschiedenartig im Wasserführungskanal 3 angeordnet sein. In der
Das elastische Element 8 kann auch in einem in den Wasserführungskanal 3 eingesetzten Trägerelement 17 angeordnet sein. Das Trägerelement 17 wird in der
In einer alternativen Ausführungsform kann das elastische Element 8 auch im Bereich der Seitenwand des Wasserführungskanals 3 gelagert werden. Beispielsweise kann das elastische Element 8 über einen Lagerabschnitt in die Seitenwand eingelassen werden.In an alternative embodiment, the
Besonders bevorzugt weist das elastische Element 8 eine Shore-Härte von grösser als 50 Shore oder grösser als 60 Shore insbesondere von grösser als 70 Shore auf. Diese Shore-Härten haben sich in Versuchen als besonders vorteilhaft erwiesen.The
In der
Ebenfalls in der
Besonders bevorzugt ist es aber, wenn das Durchflussbegrenzungselement 7 in Fliessrichtung F gesehen vor dem schwimmergesteurten Ventil 6 liegt. Hierdurch wird verhindert, dass das schwimmergesteurte Ventil 6 mit den grossen Durchflüssen oberhalb von Q1 belastet wird. Dies senkt die Geräusche bei der Befüllung des Spülkastens weiter.However, it is particularly preferred if the flow-limiting
Zusammenfassend weist das Durchflussbegrenzungselement den Vorteil auf, dass der Durchfluss bei steigendem Wasserdruck automatisch limitiert wird, was die Einlaufgarnitur geräuscharmer macht.In summary, the flow restriction element has the advantage that the flow is automatically limited with increasing water pressure, which makes the inlet set lower noise.
- 11
- Einlaufgarniturinlet fitting
- 22
- Gehäusecasing
- 33
- WasserführungskanalWater duct
- 44
- Eingangentrance
- 55
- Ausgangoutput
- 66
- schwimmergesteuertes Ventilfloat controlled valve
- 77
- DurchflussbegrenzungselementFlow limiting element
- 88th
- elastisches Elementelastic element
- 99
- Verengungnarrowing
- 1010
- Öffnungopening
- 1111
- Wandwall
- 1212
- Absatzparagraph
- 1313
- Dornmandrel
- 1414
- Auslassrohroutlet pipe
- 1515
- Düsejet
- 1616
- Düsenkanalnozzle channel
- 1717
- Trägerelementsupport element
- 1818
- Wandwall
- 1919
- Ausgangoutput
Claims (14)
ein Gehäuse (2),
ein im Gehäuse (2) angeordneten Wasserführungskanal (3) mit einem Eingang (4) und einem Ausgang (5), und
ein im Wasserführungskanal (3) angeordnetes schwimmergesteuertes Ventil (6), welches den Wasserführungskanal (3) sperrt bzw. bei der Befüllung frei gibt,
dadurch gekennzeichnet, dass
im Wasserführungskanal (3) ein Durchflussbegrenzungselement (7) vorhanden ist, welches den Durchfluss bei steigendem Wasserdruck so begrenzt, dass der Durchfluss des Wassers durch das Durchflussbegrenzungselement (7) bei Erreichen und/oder Überschreiten eines vorbestimmten Wasserdruckes konstant gehalten wird.Includes inlet fitting (1) for filling a cistern
a housing (2),
a water supply channel (3) arranged in the housing (2) with an inlet (4) and an outlet (5), and
a float-controlled valve (6) arranged in the water guide channel (3) which blocks the water guide channel (3) or releases it during filling,
characterized in that
in the water guide channel (3) a flow-limiting element (7) is present, which limits the flow with increasing water pressure so that the flow of water through the flow limiting element (7) is kept constant upon reaching and / or exceeding a predetermined water pressure.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13192466.4A EP2871294B1 (en) | 2013-11-12 | 2013-11-12 | Inlet valve for a cistern |
PT13192466T PT2871294T (en) | 2013-11-12 | 2013-11-12 | Inlet valve for a cistern |
ES13192466.4T ES2689775T3 (en) | 2013-11-12 | 2013-11-12 | Inlet valve for a cistern |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13192466.4A EP2871294B1 (en) | 2013-11-12 | 2013-11-12 | Inlet valve for a cistern |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2871294A1 true EP2871294A1 (en) | 2015-05-13 |
EP2871294B1 EP2871294B1 (en) | 2018-08-08 |
Family
ID=49582583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13192466.4A Active EP2871294B1 (en) | 2013-11-12 | 2013-11-12 | Inlet valve for a cistern |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2871294B1 (en) |
ES (1) | ES2689775T3 (en) |
PT (1) | PT2871294T (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105587907A (en) * | 2015-12-10 | 2016-05-18 | 厦门康谱卫浴科技有限公司 | Water inlet valve resistant to dirt, easy to clean and fast to disassemble |
EP3736388A1 (en) | 2019-05-09 | 2020-11-11 | TECE GmbH | Filling valve with contamination protection |
EP4116512A1 (en) | 2021-07-09 | 2023-01-11 | Geberit International AG | Filling valve |
EP4116511A1 (en) | 2021-07-09 | 2023-01-11 | Geberit International AG | Filling valve |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2960109A (en) * | 1957-01-07 | 1960-11-15 | Gen Controls Co | Flow regulator |
US3409050A (en) * | 1965-10-12 | 1968-11-05 | Harry Swartz | Flow restrictor |
FR2865749A1 (en) * | 2004-01-30 | 2005-08-05 | Sanitaire Accessoires Services | Noise and water flow restrictor for ball-cock of flush cistern, has two semi-tubes, each with set of modules that have appropriate dimensions for being placed in low or lateral water entry passage of ball-cock |
WO2008051311A1 (en) * | 2006-10-25 | 2008-05-02 | Fluidmaster, Inc. | Non-removable refill restrictor apparatus |
US20130199626A1 (en) * | 2012-02-07 | 2013-08-08 | Po An TENG | Water-saving device structure |
-
2013
- 2013-11-12 EP EP13192466.4A patent/EP2871294B1/en active Active
- 2013-11-12 PT PT13192466T patent/PT2871294T/en unknown
- 2013-11-12 ES ES13192466.4T patent/ES2689775T3/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2960109A (en) * | 1957-01-07 | 1960-11-15 | Gen Controls Co | Flow regulator |
US3409050A (en) * | 1965-10-12 | 1968-11-05 | Harry Swartz | Flow restrictor |
FR2865749A1 (en) * | 2004-01-30 | 2005-08-05 | Sanitaire Accessoires Services | Noise and water flow restrictor for ball-cock of flush cistern, has two semi-tubes, each with set of modules that have appropriate dimensions for being placed in low or lateral water entry passage of ball-cock |
WO2008051311A1 (en) * | 2006-10-25 | 2008-05-02 | Fluidmaster, Inc. | Non-removable refill restrictor apparatus |
US20130199626A1 (en) * | 2012-02-07 | 2013-08-08 | Po An TENG | Water-saving device structure |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105587907A (en) * | 2015-12-10 | 2016-05-18 | 厦门康谱卫浴科技有限公司 | Water inlet valve resistant to dirt, easy to clean and fast to disassemble |
CN105587907B (en) * | 2015-12-10 | 2018-09-28 | 厦门康谱卫浴科技有限公司 | A kind of Quick Release inlet valve of resistant easy cleaning |
EP3736388A1 (en) | 2019-05-09 | 2020-11-11 | TECE GmbH | Filling valve with contamination protection |
EP4116512A1 (en) | 2021-07-09 | 2023-01-11 | Geberit International AG | Filling valve |
EP4116511A1 (en) | 2021-07-09 | 2023-01-11 | Geberit International AG | Filling valve |
Also Published As
Publication number | Publication date |
---|---|
EP2871294B1 (en) | 2018-08-08 |
ES2689775T3 (en) | 2018-11-15 |
PT2871294T (en) | 2018-10-24 |
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