EP1162320B1 - Dispositif pour le rinçage d'une cuvette de toilette ou analogue - Google Patents

Dispositif pour le rinçage d'une cuvette de toilette ou analogue Download PDF

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Publication number
EP1162320B1
EP1162320B1 EP01660102A EP01660102A EP1162320B1 EP 1162320 B1 EP1162320 B1 EP 1162320B1 EP 01660102 A EP01660102 A EP 01660102A EP 01660102 A EP01660102 A EP 01660102A EP 1162320 B1 EP1162320 B1 EP 1162320B1
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EP
European Patent Office
Prior art keywords
water
shaft
chamber
valve
piston member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01660102A
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German (de)
English (en)
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EP1162320A1 (fr
Inventor
Janne Rautavuori
Ari Toivonen
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.)
Oras Oy
Original Assignee
Oras Oy
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Filing date
Publication date
Application filed by Oras Oy filed Critical Oras Oy
Publication of EP1162320A1 publication Critical patent/EP1162320A1/fr
Application granted granted Critical
Publication of EP1162320B1 publication Critical patent/EP1162320B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E03D1/02—High-level flushing systems
    • E03D1/14—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination with flushing valves
    • E03D1/142—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination with flushing valves in cisterns with flushing 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
    • E03D1/30—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
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/10—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl

Definitions

  • This invention relates to an apparatus used for flushing a toilet bowl or the like.
  • the apparatus controls the amount of water used for flushing which enters the water tank through a valve from the water mains and is discharged through the discharge pipe.
  • the operation of current systems involves the control of the water level in the tank by means of two separate apparatuses.
  • the inlet valve is opened each time the water level sinks below a determined level and allows additional water to enter the tank from the water mains, until the predetermined water level is reached, whereby the valve is closed.
  • the water level is monitored and the inlet valve is opened and closed mechanically by means of a float.
  • the cover of the water tank must be removed and the operation of the float controlled.
  • the discharge valve is mechanically opened in that the user acts to release either one or both of the superposed pair of floats controlling the discharge function.
  • This method allows regulation of the flush water in a larger or smaller amount and reduction of unnecessary water consumption. Yet there are only two options of water amounts to be used. As the water level has sunk in the tank to the level adjusted by the float, the end of the discharge pipe is closed and the tank starts filling again.
  • Document US-A-5 937 455 presents the closest prior art introducing an electrically operated solenoid valve for use on a flush toilet tank, and capable of variable adjustment.
  • This system comprises a float switch mounted on a calibrated bracket secured to a tank, such that the float for the float switch is mounted within the tank and the height of the float above the tank floor can be adjusted utilizing the bracket.
  • the float switch is upwardly connected to an electrically operated solenoid valve to permit water to flow into the tank when the float is below a minimum water level, and to close the valve when the float returns to the minimum water level.
  • the object of the present invention is to provide an apparatus for use in the flushing of a toilet bowl or the like, which provides stepless and easy adjustment of the amount of flush water, without opening the cover of the WC water tank, even with different water amounts each time the bowl is flushed, if desired. This enables the amount of water used for flushing to be crucially decreased on the long term. This has been achieved in accordance with the invention in the manner described in the accompanying independent claim 1.
  • valve apparatuses used in the conventional solutions mentioned above comprise a relatively large number of components.
  • the control apparatus provided in the toilet water tank has been significantly simplified.
  • the apparatus comprises a substantially smaller number of movable parts than commonly known solutions. This reduces the need for service of the interior of the water tank appreciably.
  • operation controlled by a solenoid valve can be remote-controlled from some other location. Owing to this concept, it is possible to ensure that a public toilet, for instance, has always been flushed before it is used next.
  • the apparatus for flushing a toilet bowl of the invention is characterised by electric control of the amount of water used for flushing and of stepless adjustment of the flush water amount as a function of the flushing period, using one single control valve.
  • the control valve may be any electrically controlled valve, for instance a solenoid valve, and the stepless adjustment of the flush water amount is performed electrically from the outside of the water tank, using any commonly known electric control unit used in valve control.
  • the electric control equipment allows the toilet bowl to be flushed by remote control and the amount of water in the tank to be identified by an electric sensor, for instance.
  • Figure 1 shows the apparatus of the invention, which consists of a water tank 1, an inlet valve 12, a discharge valve 15 and an actuator means.
  • the actuator means consists of a chamber 5, which may be e.g. circular, rectangular or square in cross-section. However, it is preferably cylindrical.
  • the chamber 5 communicates with the water mains over an inlet pipe 14.
  • the inlet pipe 14 is preferably oriented obliquely downwards, but it may also be horizontal.
  • a substantially vertical shaft 6 preferably passes through the bottom of the chamber.
  • the shaft is preferably a hollow cylinder, through which water can flow. On the other hand, it may also be a solid body, and then water can flow to the chamber and be discharged from there through an opening in the top of the chamber 5, e.g. in its cover.
  • the chamber contains a piston member 4, which is fastened to the shaft and ascends and descends under the action of the amount of water and the dynamic pressure of supply water.
  • the piston member 4 consists e.g. of a plate-like part, which encloses the shaft 6 as a collar, and is preferably oriented obliquely downwards. If desired, the piston member 4 may also be horizontal relative to the shaft, or shaped in any other suitable way.
  • the piston member 4 extends from the shaft to the vicinity of the wall of the chamber 5 so as to leave a gap between the edge of the plate-like part of the piston member and the inner surface of the chamber, allowing for free movement of the piston part within the chamber
  • a float member 2 has been fastened to the shaft 6 in order to keep the shaft and the associated piston member 4 floating on the water surface.
  • the float member 2 may be fastened for instance to the bottom part of the shaft 6, as shown in figures 1-3, however, other kinds of solutions are also conceivable.
  • the shaft 6 comprises a counter-part 7, which may be for instance a transverse pin fastened to the shaft or the end of an upwardly continuing vertical groove.
  • the counter-part 7 bears against a counter-part 8 provided at the upper part of the body of the hollow, preferably cylindrical discharge valve 15.
  • the counter-part 8 may be e.g. a transverse pin fastened to the body of the discharge valve, or the end of a downwardly continuing vertical groove.
  • a pin is used for both the counter-parts 7 and 8, the pins must have the correct shape to make sure that they match. One of them may be round and the other plate-like, for instance.
  • a gasket 10 is provided between the water discharge pipe 9 and the discharge valve. The end of the discharge pipe 9 is opened when the discharge valve is lifted.
  • a water gauge or control based on the opening period of the inlet and outlet valves can be used to control the amount of water in the water tank 1. However, this control is preferably carried out by means of an electric sensor 11.
  • the water tank 1 is filled with water and ready for flushing.
  • the float member 2, such as a float, is floating on the water surface 3 and the piston member 4 is in central position in the chamber 5, with the lower edge of the collar-like piston member 4 located above the mouth of the water inlet pipe 14.
  • the counter-part 7 in the shaft 6 is pressed against the counter-part 8 of the discharge valve.
  • the counter-part 8 transmits the vertical movement of the float member 2, the shaft 6 and the piston member 4 to the outlet valve 15.
  • the outlet pipe 9 is tightly pressed against the gasket 10 of the discharge valve.
  • the water surface 3 is on the level of the electric sensor 11, and then the inlet valve 12, preferably a solenoid valve, is in closed position.
  • FIG. 2 illustrates the situation while the water tank 1 is being emptied.
  • the inlet valve 12 When e.g. the flush button of the control unit 13 is pressed, the inlet valve 12 is opened over a pre-set period. Then the dynamic pressure of the supply water from the inlet pipe 14 lifts the piston member 4 into upper position. The counter-part 7 of the shaft is pressed against the counter-part 8 of the discharge valve, while lifting the discharge valve 15 into open position, whereby the water tank 1 is emptied at a rate of about 3 1/s through the outlet pipe 9.
  • FIG. 3 illustrates the situation while the water tank is being filled.
  • the inlet valve 12 is closed, and then the water below the collar-like piston member 4 is allowed to flow out of the chamber space 5 through the gap 16 between the bottom of the chamber space and the shaft 6 of the piston member.
  • the piston member 4 is pressed under the force of gravity into lower position, the lower edge of the collar-like piston part 4 being below the mouth of the water inlet pipe 14, and at the same time, the counter-part 7 is pressed down, releasing the discharge valve 15, which descends and thus seals the end of the outlet pipe 9. After this, the inlet valve 12 is opened again.
  • Supply water flows from the inlet pipe 14 onto the upper surface of the plate-like piston member 4, and the dynamic water pressure maintains the piston member 4 in lower position.
  • Water fills the chamber 5 and flows from the chamber into the water tank 1, preferably through the hollow shaft 6 of the piston member.
  • the water flow from the chamber 5 to the water tank 1 can be arranged for instance by making the hole 17 large enough in the cover or upper part of the chamber.
  • the inlet valve 12 remains open until the water surface reaches the electric sensor 11, and at that moment, a signal emitted from the sensor to the control unit 13 closes the inlet valve 12.
  • the piston member 4 As the water inlet pressure stops, the piston member 4 is allowed to rise back to its central position under the action of the float member 2 provided at the lower end of the shaft 6, and the counter-part 7 in the shaft 6 of the piston member gets into contact with the counter-part 8 of the discharge valve again.
  • the buoyancy of the float member 2 used is dimensioned so as to enable the dynamic pressure of the supply water to keep the piston member 4 in lower position even at the final filling stage.
  • the inlet valve 12 Should there be a malfunction in the inlet valve 12 or in the sensor 11 for measuring the water level, the inlet valve 12 remaining in open position, the water surface 3 still does not rise to a level where the floor floods with water.
  • the piston member 4 If the piston member 4 is in lower position and the dynamic pressure of supply water maintains it in this position, water entering the chamber 5 is allowed to leave through the hollow shaft 6 or the opening 17 in the chamber, and further through the hollow discharge valve 15 to the outlet pipe 9. If the piston member 4 is in central position, it will rise into upper position under the dynamic pressure of supply water, automatically opening the discharge valve 15, through which water may be discharged from the water tank 1 at a higher rate than the rate at which water is supplied from the water mains. If again, there is momentary under-pressure in the mains when the inlet valve 12 opens, the hole 17 in the chamber 5 will act as suction protection, preventing the water in the water tank to be sucked back.
  • Figure 4 shows a second embodiment of the invention, in which the chamber 5 is placed around the discharge valve 15.
  • the partial figures A, B and C illustrate the situations of the tank being filled, of the tank ready for flushing and of the tank being flushed, respectively.
  • the piston member 4 is in its central position in the chamber 5, while being kept floating by a float member, for instance a float (not illustrated in the figure) fastened to the lower part of the shaft 6, so that the lower edge of the collar-like piston member is above the mouth of the water inlet pipe 14, as shown in partial figure B.
  • the upper end 7 of the shaft corresponding to the counter-part 7 in the preceding figures 1-3, is pressed against the counter-part 8 of the discharge valve.
  • the outlet pipe 9 is closed and the inlet valve is in closed position.
  • the inlet valve is closed, and then the water below the collar-like piston member 4 is allowed to flow out of the chamber space 5 through the gap (16) between the chamber space bottom and the shaft 6 of the piston member (partial figure A).
  • the piston member 4 is pressed under the force of gravity into lower position, the lower edge of the collar-like piston member 4 being below the mouth of the water inlet pipe 14, while the upper end 7 of the shaft is pressed down and releases the discharge valve 15, which descends, thus closing the end of the outlet pipe 9.
  • the inlet vale is opens again. Supply water flows from the inlet pipe 14 to the upper surface of the plate-like piston member 4 and the dynamic water pressure keeps the piston member 4 in lower position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Nozzles (AREA)
  • Catching Or Destruction (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Float Valves (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Magnetically Actuated Valves (AREA)
  • Detergent Compositions (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Claims (9)

  1. Appareil destiné à être utilisé pour rincer une cuvette de toilette ou similaire, comprenant un réservoir d'eau (1), une soupape d'introduction (12), une soupape d'évacuation (15) et des moyens d'actionnement, caractérisé en ce que les moyens d'actionnement sont composés d'une chambre (5) qui communique avec le réseau de distribution d'eau par le biais d'un tuyau d'alimentation (14) ; un arbre sensiblement vertical (6) passant à travers le fond de la chambre ; un élément formant piston (4) fixé à l'arbre (6) à l'intérieur de la chambre ; un élément formant flotteur (2) fixé à l'arbre (6) pour maintenir le flottement de l'arbre et de l'élément formant piston sur la surface de l'eau lorsque le réservoir est rempli avec de l'eau et prêt pour le rinçage ; un premier pendant (7) fixé à l'arbre (6) et adapté pour s'opposer à un second pendant (8) prévu sur le corps de la soupape d'évacuation (15) ; et un dispositif (11) destiné à identifier la quantité d'eau dans le réservoir d'eau et à commander la soupape d'introduction ; moyennant quoi la quantité d'eau de rinçage utilisée lorsque la cuvette de toilette est rincée est régulée au moyen d'une soupape d'introduction commandée électriquement (12), de telle sorte que, lorsqu'un rinçage est déclenché, ladite soupape d'introduction (12) fait entrer de l'eau provenant du réseau de distribution d'eau à travers le tuyau d'alimentation (14) dans la chambre (5), moyennant quoi l'eau soulève l'élément formant piston (4) et son arbre (6) d'une position centrale à une position supérieure, puis la soupape d'évacuation (15) est levée dans une position ouverte au moyen des pendants (7, 8) et reste dans ladite position ouverte jusqu'à ce que la soupape d'introduction (12) soit fermée par une unité de commande (13) à l'issue d'une période prédéfinie, et moyennant quoi, après ladite fermeture de ladite soupape d'introduction (12), l'élément formant piston (4) est amené dans une position inférieure sous l'effet de la force de gravité et, au même moment, la soupape d'évacuation (15) est fermée, à la suite de quoi la soupape d'introduction (12) est ré-ouverte par ladite unité de commande (13) et le réservoir d'eau (1) est rempli à nouveau, jusqu'à ce qu'un signal émis par ledit dispositif (11) à destination de l'unité de commande (13) ferme la soupape d'introduction (12), à la suite de quoi, sous l'action de l'élément formant flotteur (2), l'élément formant piston (4) remonte dans ladite position centrale et le premier pendant (7) monte pour entrer en contact avec le second pendant (8).
  2. Appareil selon la revendication 1, caractérisé en ce que l'élément formant piston (4) est un élément sensiblement similaire à une plaque, qui entoure l'arbre (6) comme un collier et s'étend de l'arbre au voisinage de la paroi de la chambre (5).
  3. Appareil selon la revendication 1, caractérisé en ce que la soupape d'introduction (12) est, de préférence, une soupape électromagnétique, et en ce que la régulation progressive de la quantité d'eau de rinçage est effectuée de manière électrique au moyen d'une unité de commande électrique (13) en mesure de procéder à la commande des soupapes.
  4. Appareil selon la revendication 3, caractérisé en ce que l'unité de commande électrique (13) est actionnée par télécommande.
  5. Appareil selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'extrémité du tuyau d'alimentation en eau (14) est disposée entre la position inférieure et la position centrale de l'élément formant piston (4) de telle sorte que la pression hydrodynamique maintient le piston (4) affaissé dans une position inférieure pendant que le réservoir d'eau (1) est rempli et soulève le piston (4) dans une position supérieure pendant que le réservoir d'eau (1) est vidé.
  6. Appareil selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la chambre (5) est, de préférence, cylindrique.
  7. Appareil selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'arbre (6) dans la chambre (5) est, de préférence, creux et permet à l'eau de distribution de s'écouler à travers jusqu'au réservoir d'eau.
  8. Appareil selon la revendication 1, caractérisé en ce que la partie supérieure de la chambre (5) comprend une prise d'air (17), qui agit comme protection contre l'aspiration en empêchant l'eau contenue dans le réservoir d'eau d'être aspirée en arrière.
  9. Appareil selon la revendication 1, caractérisé en ce que la chambre (5) est disposée autour de la soupape d'évacuation (15) et l'extrémité supérieure de l'arbre (6) agit en tant que pendant (7).
EP01660102A 2000-06-05 2001-05-23 Dispositif pour le rinçage d'une cuvette de toilette ou analogue Expired - Lifetime EP1162320B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20001337 2000-06-05
FI20001337A FI108469B (fi) 2000-06-05 2000-06-05 Laitteisto huuhtelun sõõtelyyn

Publications (2)

Publication Number Publication Date
EP1162320A1 EP1162320A1 (fr) 2001-12-12
EP1162320B1 true EP1162320B1 (fr) 2006-12-06

Family

ID=8558497

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01660102A Expired - Lifetime EP1162320B1 (fr) 2000-06-05 2001-05-23 Dispositif pour le rinçage d'une cuvette de toilette ou analogue

Country Status (10)

Country Link
EP (1) EP1162320B1 (fr)
AT (1) ATE347638T1 (fr)
CY (1) CY1105955T1 (fr)
DE (1) DE60124980T2 (fr)
DK (1) DK1162320T3 (fr)
ES (1) ES2275642T3 (fr)
FI (1) FI108469B (fr)
NO (1) NO334967B1 (fr)
PL (1) PL197284B1 (fr)
PT (1) PT1162320E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009007840A2 (fr) * 2007-05-17 2009-01-15 Xiaoqing Dong Dispositif de chasse d'eau à pression par bouton

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI109717B (fi) 2001-02-19 2002-09-30 Oras Oy Laitteisto huuhtelun säätelyyn
MX2007008398A (es) * 2005-02-10 2007-08-17 Fluidmaster Dispositivo de llenado para descarga dual.
EP1749941A1 (fr) * 2005-08-01 2007-02-07 Sanimatic Ag Actuateur hydraulique, notamment pour dispositif de commande de chasse d'eau.
GB0719520D0 (en) * 2007-10-05 2007-11-14 Bell Thomas H Flushing valve

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5937455A (en) * 1992-11-19 1999-08-17 Donati; William R. Electrically operated toilet water inlet valve system having a variable fill level

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009007840A2 (fr) * 2007-05-17 2009-01-15 Xiaoqing Dong Dispositif de chasse d'eau à pression par bouton
WO2009007840A3 (fr) * 2007-05-17 2009-02-26 Xiaoqing Dong Dispositif de chasse d'eau à pression par bouton

Also Published As

Publication number Publication date
NO20012714L (no) 2001-12-06
FI20001337A0 (fi) 2000-06-05
CY1105955T1 (el) 2011-04-06
ATE347638T1 (de) 2006-12-15
PL347869A1 (en) 2001-12-17
FI108469B (fi) 2002-01-31
PT1162320E (pt) 2007-03-30
EP1162320A1 (fr) 2001-12-12
DE60124980D1 (de) 2007-01-18
DK1162320T3 (da) 2007-02-05
PL197284B1 (pl) 2008-03-31
DE60124980T2 (de) 2007-12-13
NO20012714D0 (no) 2001-06-01
NO334967B1 (no) 2014-08-11
ES2275642T3 (es) 2007-06-16

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