EP4095324B1 - Spülsystem - Google Patents

Spülsystem Download PDF

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Publication number
EP4095324B1
EP4095324B1 EP21176493.1A EP21176493A EP4095324B1 EP 4095324 B1 EP4095324 B1 EP 4095324B1 EP 21176493 A EP21176493 A EP 21176493A EP 4095324 B1 EP4095324 B1 EP 4095324B1
Authority
EP
European Patent Office
Prior art keywords
flushing
valve
cistern
overflow protection
water
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.)
Active
Application number
EP21176493.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4095324A1 (de
Inventor
Mathias ELMER
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.)
Geberit International AG
Original Assignee
Geberit International AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Geberit International AG filed Critical Geberit International AG
Priority to PT211764931T priority Critical patent/PT4095324T/pt
Priority to EP21176493.1A priority patent/EP4095324B1/de
Priority to PL21176493.1T priority patent/PL4095324T3/pl
Priority to FIEP21176493.1T priority patent/FI4095324T3/fi
Priority to ES21176493T priority patent/ES2997534T3/es
Priority to DK21176493.1T priority patent/DK4095324T3/da
Publication of EP4095324A1 publication Critical patent/EP4095324A1/de
Application granted granted Critical
Publication of EP4095324B1 publication Critical patent/EP4095324B1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
    • E03D5/026—Devices preventing overflow or locks inhibiting the use of the flushing system ; Devices preventing sucking-up of sealing and flushing water
    • 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
    • E03D1/36—Associated working of inlet and outlet 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
    • E03D1/02—High-level flushing systems
    • E03D1/22—Twin or multiple flushing cisterns
    • 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
    • E03D1/34—Flushing valves for outlets; Arrangement of outlet valves
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D2201/00—Details and methods of use for water closets and urinals not otherwise provided for
    • E03D2201/30—Water injection in siphon for enhancing flushing

Definitions

  • the present invention relates to a flushing system according to claim 1 and an arrangement with said flushing system according to claim 12.
  • Flushing systems that have a cistern, a filling valve and a flush valve are known from the prior art.
  • the filling valve is used to fill the cistern after a flush, during which the flush water flows through the flush valve from the cistern to a sanitary item, such as a toilet or urinal.
  • the filling valve is typically controlled by a float, which opens the filling valve when the cistern is empty and closes it again when the cistern is full. If the filling valve malfunctions, there is a risk that the cistern will overfill and empty uncontrollably. With a concealed cistern, serious water damage occurs behind a false wall. With a false wall cistern, the flush water spills over the bathroom floor, which also causes water damage.
  • Flush valves known from the state of the art typically have an overflow pipe through which the flush water can flow towards the sanitary items in the event of a defect in the filling valve.
  • this concept cannot be used for all cisterns.
  • the publication US2962727A a flushing system is known in which overflow protection is ensured by opening the flush valve. This document discloses the features of the preamble of claim 1.
  • the present invention is based on the object of specifying a flushing system which can be used more flexibly in different types of flushing concepts.
  • a flushing system comprises a cistern for receiving flushing water, a filling valve with which the cistern can be filled with flushing water, a flushing valve with which a sanitary article that is fluidically connected to the cistern, such as a toilet bowl or a urinal, can be flushed, and an overflow protection float with which the flushing valve can be controlled.
  • the overflow protection float is arranged in such a way that in the event of a malfunction of the filling valve, in which the filling valve remains open in an uncontrolled manner and thus flushing water flows into the cistern in an uncontrolled manner, the flushing valve can be opened when an upper filling level is reached, with flushing water flowing out of the cistern via the flushing valve to the sanitary article.
  • the flush valve is actively controlled by the float and when the upper fill level is reached, the flush valve is opened so that the flush water can flow out of the cistern via the flush valve.
  • This flushing system can be used flexibly for many types of flushing system. For example, for flushing systems that are operated with water pressure from a pipe network or a pump, or for flushing systems that are operated with the gravity of the water.
  • the flush valve If the flush valve is actuated by the overflow protection float, the flush water flows to the sanitary article via the fluidic connection between the cistern and the sanitary article and the overflow of the cistern can be prevented.
  • the upper fill level defines the maximum fill level up to which the cistern can be filled without the flush water escaping from the cistern in an uncontrolled manner.
  • the upper fill level is therefore the fill level at which safety devices, in this case the flush valve and the overflow protection float, must be activated.
  • the upper fill level is higher than the normal fill level up to which the cistern is filled in normal operation.
  • the overflow protection float is connected to the flush valve by an actuator element Connection.
  • This actuator element can open or close the filling valve based on the position of the overflow protection float.
  • the flush valve preferably has a further actuating element with which a regular flush can be triggered.
  • a button can act on the flush valve, which then opens the flush valve. The flush valve is then closed again when the flushing process is complete.
  • a regular flush can be a full-volume flush or a partial-volume flush.
  • the flush valve therefore has two functions: on the one hand, the function of overflow protection, and on the other hand, the function of normal flush triggering.
  • the overflow protection float controls the flush valve in such a way that when a lower filling level is reached after the overflow flush, the flush valve is closed again.
  • the overflow protection float also sinks as the filling level in the cistern decreases and closes the flush valve when the lower filling level is reached.
  • the lower fill level When viewed in the installation position, the lower fill level is below the upper fill level.
  • the lower fill level can, for example, be the fill level that is controlled by a full-quantity or partial-quantity control.
  • the overflow protection float floats up to the height of the upper filling level when the cistern is filling. Based on the upper filling level being reached, the overflow protection float acts on the flush valve so that the flush valve can be opened or is opened. As soon as the overflow protection float has floated up to the height of the upper filling level, the flush valve is opened via the float and the flush water flows out of the cistern via the flush valve.
  • the overflow protection float rises to a stop when the cistern is filling, whereby the buoyancy of the overflow protection float increases as the water level in the cistern rises and then acts on the flush valve when a predetermined buoyancy force is reached, so that the flush valve can be opened or is opened.
  • the stop is below the upper filling level when viewed in the installed position.
  • the buoyancy of the overflow protection float increases because the flush water continues to rise relative to the fixed overflow protection float, whereby the flush water level relative to the fixed Overflow protection float increases.
  • the buoyancy force can be flexibly selected for different applications via the dimensions and immersion depth of the overflow protection float, which increases the design freedom.
  • the flush valve has an inlet which can be connected to a building-side pipe network in such a way that the flush valve is supplied with flush water under line pressure, wherein the flush valve is connected to a first section of a flush line with a jet pump, wherein the jet pump has a venturi nozzle with a suction opening open towards the cistern, wherein when the flush valve is open, water under line pressure can be fed into the venturi nozzle in such a way that water from the cistern can be fed via the suction opening into a second section of the flush line to the sanitary article.
  • the venturi nozzle is arranged at the end of the first section and the suction opening is part of the second section.
  • the venturi nozzle extends into the suction opening.
  • the suction opening is preferably arranged in the area of the base of the cistern.
  • the second section opens into the sanitary article with its end opposite the venturi nozzle.
  • the use of the pressure flush valve as described also has the advantage that the cistern can be emptied in the event of a malfunction of the filling valve, even if the cistern, when installed, is located lower than the entry of the flush pipe into the sanitary article.
  • the flush valve is connected to the filling valve via a control line, whereby when the flush valve is open, the filling valve can be closed using a water pressure prevailing in the control line.
  • the control line causes the filling valve to close.
  • the flushing line has a pipe interrupter for classifying drinking water from flushing water.
  • the pipe interrupter is preferably arranged in the above-mentioned first section of the flushing line.
  • a gravity flush valve in addition to the flush valve, is arranged, which has a valve body that can be controlled by the overflow float, whereby the flush water is discharged from the cistern by gravity. drains away. This can happen, for example, in the same cistern.
  • one of the two flush valves or both flush valves can be controlled with the overflow protection float.
  • the overflow protection float has an opening element which acts via an actuator element on a valve body of the flush valve and opens the valve body, wherein the overflow protection float has a closing element which acts via the actuator element on the said locking element so that the valve body closes.
  • the actuator element is held by means of a locking element such that the valve body is held in the open position by the actuator element.
  • the closing element can act on the actuator element and/or the locking element so that the valve body is no longer held by the actuator element.
  • the opening element and the closing element are adjustable so that the exact opening position and the exact closing position can be set by adjusting the opening element and the closing element.
  • the overflow protection float moves along a guide which preferably runs vertically in the installed position.
  • the float is a hollow body.
  • An arrangement comprises a flushing system as described above and a sanitary article, in particular a toilet bowl or a urinal, wherein flushing water can be supplied to at least one inlet opening in the sanitary article using the flushing valve, so that flushing water can be fed into the sanitary article via the inlet opening.
  • the sanitary article has a receiving space, a siphon section adjoining the receiving space and a drain pipe, wherein the said inlet opening opens into the receiving space and/or into the drain pipe.
  • the inlet opening leading into the receiving space is at the height of a Functional overflow, whereby the height for the safety overflow, at which the flush valve is opened by the overflow protection float, is above the inlet opening.
  • the cistern has two tank areas, wherein a first flush valve for flushing the receiving space is provided in a first tank area and a second flush valve for a pulse flush into the drain pipe is provided in a second tank area, wherein one of the two flush valves or both flush valves can be controlled with the emergency overflow float.
  • a method for operating a flushing system as described above is characterized in that when an upper filling level is reached, the overflow protection float controls the flush valve so that it is opened and flushing water flows out of the cistern via the flush valve, and that when a lower filling level is reached, the overflow protection float controls the flush valve so that it is closed.
  • FIG. 1 to 3 a particularly preferred embodiment of a flushing system 1 according to the present invention is shown.
  • the flushing system 1 comprises a cistern 2, a filling valve 3, a flushing valve 4 and an overflow protection float 6.
  • the flushing system 1 is according to the Figures 4 and 5 with a sanitary article 5.
  • the flushing system 1 and the sanitary article 5 form an arrangement.
  • the cistern 2 is used to collect flushing water for flushing the sanitary article 5.
  • the filling valve 3 is used to fill the cistern 2 with flushing water.
  • the filling valve 3 is connected to a supply line on the building side. Flushing water for flushing the sanitary article 5 can be supplied to the sanitary article 5 via the flushing valve 4.
  • a flush can be a full-volume flush or a partial-volume flush. The flush is triggered by actuating an actuating element 22.
  • FIG 1 A partially sectioned view of the flushing system 1 is shown.
  • the overflow protection float 6 is in a middle position. Starting from the Figure 1 the cistern 2 is filled with flushing water. The overflow protection float 6 moves upwards with the flushing water. In the Figure 2 a position is shown in which the overflow protection float 6 is higher than in the Figure 1 .
  • the overflow protection float 6 is arranged in such a way that if the filling valve 3 malfunctions, the overflow protection float 6 opens the flush valve 4 when an upper fill level is reached. Flushing water will then flow out of the cistern 2 via the flush valve 4 to the sanitary article 5.
  • the upper fill level corresponds to the fill level which is defined as the fill level for triggering safety devices, here formed by the overflow protection float 6 and the flush valve 4.
  • overflow protection float 6 which detects an impending overflow
  • the control by the overflow protection float 6 of the flush valve 4 which serves as an overflow valve in addition to the normal flushing function, ensures appropriate overflow protection.
  • the cistern 2 cannot therefore overflow if the filling valve 3 malfunctions as described. Instead, the flushing water will flow directly via the flush valve 4 and the sanitary article 5.
  • the overflow protection float 6 can control the flush valve 4 based on its position or based on its buoyancy force for the opening process.
  • the overflow protection float 6 controls the flushing valve 4 in such a way that the float floats up to the height of the upper filling level and then acts on the flushing valve 4 based on the upper filling level being reached, so that the flushing valve 4 is opened.
  • the overflow protection float 6 When controlled via the buoyancy force, the overflow protection float 6 rises up to a stop on the flush valve 4. The buoyancy force of the overflow protection float 6 increases as the water level in the cistern 2 rises. When the predetermined buoyancy force is reached, the overflow protection float 6 then acts on the flush valve 4 so that the flush valve 4 is opened.
  • the stop can, for example, be part of the actuator element 23 described below.
  • the overflow protection float 6 controls the flushing valve 4 in such a way that when a lower filling level is reached, i.e. after the overflow flushing has taken place, the flushing valve 4 is closed again.
  • the overflow protection float 6 is connected to the flushing valve 4 via an actuator element 23 and actuates the flushing valve 4 when the above-mentioned filling levels are reached.
  • the flush valve 4 is a pressure flush valve 4.
  • the flush valve 4 has an inlet 7, which can be used with a building-side pipe network, such that the flush valve 4 is supplied with flush water under pipe pressure.
  • the flush valve 4 is connected to a first section 8 of a flush line with a jet pump 9.
  • the jet pump 9 has a venturi nozzle 10 with a suction opening 11 open towards the cistern 2.
  • a second section 12 of the flush line is also connected to the venturi nozzle 10. This second section 12 leads to the sanitary article 5.
  • the suction opening 11 is located in a lower area of the cistern 2.
  • the venturi nozzle 10 is provided by an end area of the first section 8.
  • the suction opening 11 is provided by the second section 12 provided.
  • the venturi nozzle 10 extends into a conical section of the suction opening 11.
  • An annular gap 24 is present between the outside of the venturi nozzle 10 and the inside of the suction opening 11.
  • a pipe interrupter 14 is arranged in the first section 8 of the flushing line, which provides a class separation between fresh water and flushing water.
  • the flush valve 4 is connected to the filling valve 3 via a control line 13.
  • the filling valve 3 is subjected to a water pressure prevailing in the control line 13 and closed.
  • the flush valve 3 can thus be controlled via the water pressure prevailing in the control line 13.
  • the flush valve 4 can also be a gravity flush valve.
  • Such flush valves typically have a valve body which is raised to open the valve.
  • the overflow protection float 6 controls the valve body accordingly. The flush water flows out of the cistern 2 via gravity.
  • the flush valve 4 is shown in detail together with the overflow protection float 6.
  • the overflow protection float 6 has an opening element 19 and a closing element 21.
  • the opening element 19 and the closing element 21 act on an actuator element 23.
  • a valve body of the flush valve 4 is controlled via the actuator element 23.
  • the opening element 19 acts on the actuator element 23 so that the flush valve 4 can be opened.
  • the actuator element 23 is held here by means of a locking element 20 so that the valve body is held in the open position.
  • the closing element 21 acts on the actuator element 23 and removes the connection between the actuator element 23 and the locking element 20 so that the valve body closes again.
  • the opening element 19 presses on the actuator element 23 from below and the closing element 21 pulls the actuator element 23 from above downwards.
  • the opening element 19 and the closing element 21 are connected to the overflow protection float 6 via a threaded connection 25.
  • This threaded connection 25 enables the opening element 19 and closing element 21 to be adjusted.
  • the height of the opening element 19 and closing element 21 can be adjusted with respect to the actuator element 23.
  • the overflow protection float 6 has at least one hollow chamber 27, which ensures the buoyancy of the overflow protection float 6 in the cistern 2.
  • the sanitary article 5 has a receiving space 16, a siphon section 17 excluding the receiving space 16 and a drain pipe 18 adjoining the siphon section 17.
  • the sanitary article 5 here includes the cistern 2.
  • the cistern 2 can also be arranged at a distance from the sanitary article 5. For example, as a concealed cistern.
  • the receiving space 16 has an inlet opening 15.
  • the flush valve 4 can be used to supply flushing water to an inlet opening 15 in the sanitary article 2. This allows a surface flushing of the receiving space 16 to be achieved.
  • the arrangement has a further flush valve 26.
  • the further flush valve provides a flush water flow into the drain pipe 18. This flush water flow can achieve a suction effect on the siphon section 17.
  • the overflow protection float 6 is arranged in such a way that it also or alternatively controls the flush valve 26.
  • the cistern 2 has two tank areas 27, 28.
  • the flush valve 4 is arranged in the tank area 27 and the flush valve 26 is arranged in the tank area 28.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Sanitary Device For Flush Toilet (AREA)
EP21176493.1A 2021-05-28 2021-05-28 Spülsystem Active EP4095324B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PT211764931T PT4095324T (pt) 2021-05-28 2021-05-28 Sistema de lavagem
EP21176493.1A EP4095324B1 (de) 2021-05-28 2021-05-28 Spülsystem
PL21176493.1T PL4095324T3 (pl) 2021-05-28 2021-05-28 System spłukiwania
FIEP21176493.1T FI4095324T3 (fi) 2021-05-28 2021-05-28 Huuhtelujärjestelmä
ES21176493T ES2997534T3 (en) 2021-05-28 2021-05-28 Flushing system
DK21176493.1T DK4095324T3 (da) 2021-05-28 2021-05-28 Skyllesystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21176493.1A EP4095324B1 (de) 2021-05-28 2021-05-28 Spülsystem

Publications (2)

Publication Number Publication Date
EP4095324A1 EP4095324A1 (de) 2022-11-30
EP4095324B1 true EP4095324B1 (de) 2024-11-13

Family

ID=76180933

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21176493.1A Active EP4095324B1 (de) 2021-05-28 2021-05-28 Spülsystem

Country Status (6)

Country Link
EP (1) EP4095324B1 (pl)
DK (1) DK4095324T3 (pl)
ES (1) ES2997534T3 (pl)
FI (1) FI4095324T3 (pl)
PL (1) PL4095324T3 (pl)
PT (1) PT4095324T (pl)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2962727A (en) * 1957-04-11 1960-12-06 Crane Co Valve mechanism for tanks or the like
US4183108A (en) * 1977-07-01 1980-01-15 Hamilton William H Flush toilet system
KR20010093119A (ko) * 1999-09-27 2001-10-27 시게후치 마사토시 수세변기와 세정수 공급장치
FR3024475B1 (fr) * 2014-08-01 2016-11-25 Siamp Cedap Reunies Dispositif de toilettes

Also Published As

Publication number Publication date
PL4095324T3 (pl) 2025-03-03
EP4095324A1 (de) 2022-11-30
ES2997534T3 (en) 2025-02-17
FI4095324T3 (fi) 2025-01-15
DK4095324T3 (da) 2025-02-10
PT4095324T (pt) 2025-01-07

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