WO2004048707A1 - Reservoir pour multiples chasses d'eau - Google Patents

Reservoir pour multiples chasses d'eau Download PDF

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Publication number
WO2004048707A1
WO2004048707A1 PCT/GB2003/005111 GB0305111W WO2004048707A1 WO 2004048707 A1 WO2004048707 A1 WO 2004048707A1 GB 0305111 W GB0305111 W GB 0305111W WO 2004048707 A1 WO2004048707 A1 WO 2004048707A1
Authority
WO
WIPO (PCT)
Prior art keywords
float
cistern
water
discharge port
storage vessel
Prior art date
Application number
PCT/GB2003/005111
Other languages
English (en)
Inventor
Michael Leslie Harris
Original Assignee
Michael Leslie Harris
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB0227436A external-priority patent/GB0227436D0/en
Application filed by Michael Leslie Harris filed Critical Michael Leslie Harris
Priority to AU2003302442A priority Critical patent/AU2003302442A1/en
Publication of WO2004048707A1 publication Critical patent/WO2004048707A1/fr

Links

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
    • E03D5/04—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 directly by the seat or cover combined with devices for opening and closing shutters in the bowl outlet and/or with devices for raising and lowering seat or cover; Raising or lowering seat and/or cover by flushing or by the flushing mechanism
    • 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
    • E03D1/01—Shape or selection of material for flushing cisterns
    • 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
    • E03D5/024—Operated hydraulically or pneumatically

Definitions

  • the invention relates to a toilet cistern which stores water for the purpose of flushing toilet pans.
  • Cisterns that store water for the purpose of flushing toilet pans are well known, whether of the pressurised chamber type or open to atmosphere variety they designed to hold to hold one flush volume. They both require a water inlet valve to allow the volume required by law to properly flush the toilet pan.
  • valves can be float controlled or use anyone of a variety of electronically controlled valves to achiev the required volume in the cistern holdjhg chamber.
  • the means of flushing the toilet pan may be achieved in a variety ways, syphonic flush, valves that lift a sealing cap from an orifice in the bottom of the cistern that connects to the toilet pan, all can be sequenced by lever, pneumatic or electronic button action
  • the invention provides a toilet cistern according to claim 1 that stores more than one flushing volume, is connected to either a mains water supply or a water storage tank typically found in domestic dwellings. No valve is required between the water supply and the cistern except a manual valve to provide a means of isolating the invention from the supply for the purpose of maintenance.
  • the invention provides a cistern that is always filled and is always able to flush the toilet pan when called upon.
  • Figure 2 is a part sectional view of the first embodiment, from one side
  • Figure 3 is a side view of a toilet seat actuated valve for controlling the cistern
  • Figure 4 is an alternative toilet seat actuated valve for controlling the cistern
  • Figure 5 is an enlarged sectional view through part of the cisterp
  • Figure 6 is a sectional view through a second embodiment of the invention, with the float not shown
  • Figure 6A shows a float for use in the second embodiment
  • Figure 7 is a diagram of an hydraulic circuit of the second embodiment
  • Figure 8 is a control circuit for controlling the flush volume of either embodiment.
  • the figures show a toilet cistern comprising a storage vessel having a water supply port and a flushing control valve assembly at the bottom of the storage vessel including a discharge port, and a piston (12), a float (7) freely movable within the storage vessel such that when the storage vessel is filled with water the float seals the discharge port and is held in place by the pressure differential between the overlying water and atmospheric pressure on the outside of the discharge port, said piston being operable to simultaneously displace the float (7) from the discharge port and to seal the port while the float floats up to engage a float level stop (5) and said piston being further operable to open the discharge port so that the water trapped between the float (7) and the discharge port is discharged through the port until the float carried by the discharging water reseais the discharge port.
  • the invention achieves its aims by its construction, the rectangular chamber of known devices is replaced by a long tube Storage vessel 1 .which is vertically mounted, as shown in FIG 1.
  • An End Cap 2 seals its upper end, which has a threaded Port 3 to which the water supply is connected. In the eventuality that the water supply is unable to replenish the Storage vessel 1 at the same rate as the water leaves the Storage Vessel 1 during the ⁇ • flushing cycle a Balance Pipe 24 (FIG.2) connection is provided in End Cap 2.
  • the Balance Pipe (optional fitting) has an outlet above the storage tank water level.
  • End Cap 2 has a Socket 4 moulded into its inner face into which a Float Level Stop 5 is assembled.
  • Storage Vessel I The lower end of Storage Vessel I is assembled with the Flushing Control Valve Assembly 6 by inserting into a collar at the upper end of Flushing Control Valve Assembly 6 and fixed with an adhesive.
  • a Float 7 is contained within the Storage; Vessel 1 , it is able to travel between Float Level Stop 5 and Valve Plate 8 during operation, soft Silicon seals, 9 and 10 are bonded to both faces of Vah/e Plate 8.
  • Flushing Control Valve Assemble 6 has a Piston Chamber ii in which a Piston 12 moves during the flushing cycle.
  • Piston 12 has a wiping Seal 22 to provide a seal between the piston and its chamber.
  • a Flange 13 at its lower end provides a means for assembling End Plate 14 which has a threaded Port 15 to provide the means for supplying water to Actuating Chamber 19 that moves the Piston 12 to its outstroke position during the flushing cycle.
  • An Extension Spring 16 has one end connected by means of a Ringbolt 17 to the Piston 12. The other end of the Extension Spring 16 is counected to End Plate 14 by means of D Ring 18
  • a Socket 23 On one side of the Piston Chamber 11 is a Socket 23 with a hole through the sidewall of the Piston Chamber 11. into which is assembled the Flush Connecting Tube 20.
  • the length of Flush Connecting Tube 20 will be adjusted to accommodate the distance between the toilet pan connection and Muiti Flush Cistern Assembly.
  • the Float 7 has a Spigot 21 at its lower end, which is contacted by the top of during the flushing cycle.
  • FIG 3 shows one means of initiating the flushing cycle.
  • a magnet 25 imbedded in the toilet seat.
  • a reed switch is mounted on a plate 26, which forms part of the toilet seat/toilet seat lid hinge mechanism.
  • a 3 port solenoid valve is connected with port SV 1 to the threaded Port 15 of End Plate 14. Actuating Chamber 19 is vented via Port 15 through port SV 1 and SV 2 to drain. Mains water supply is connected to port SV 3. With this option a high intensity light source can be affixed to the top of End Cap 2 which when toilet seat lid is raised has the effect of lighting the Multi Flush Toilet
  • Cistern similar in appearance to a low amperage neon tube, providing background lighting in darkened bathroom.
  • FIG 4 shows an alternative means of providing the water to Actuating
  • a one quarter turn valve 27 Within the toilet seat lid hinge mechanism is constructed a one quarter turn valve 27.
  • Port QTB vents Actuating Chamber 19 to drain.
  • D represents pan level, the broken lines represent seat lid in lowered position.
  • Fig 5. Shows an alternative method of assembling Storage Vessel 1 to
  • the flush cycle The toilet seat lid is in closed position.
  • the Multi Flush Cistern is commissioned by opening isolator valve IV 1, water fills the Storage Vessel 1 , Air in the vessel will vent through the Balance Pipe 24 until the vessel is completely filled with water.
  • the Storage Vessel 1 is now fully charged and the weight of the water acting on the float provides an effective seal.
  • Piston 12 is in the retracted position, at the bottom of Actuating Chamber 19.
  • the float 7 is forced up into the storage vessel 1 allowing water under the' base of Float 7.
  • Float 7 is now able to float up the Storage Vessel I and does so until it is stopped by the Float Level Stop 5.
  • the piston 12 is now held against valve plate seal 10 occluding the hole- After use the toilet seat lid is lowered. Quarter turn is turn to its original position, ports QTC and QTB are now connected.
  • the water in actuating chamber 19 vents to drain as Extension Spring 16 pulls Piston 12 to its rest position.
  • the aperture in Valve Plate 8 is now open to Piston Chamber 11 and also the Flush Pipe 20.
  • figure 6 shows a cistern generally similar to that of figure 1 except in that an extended mains pipe connection 24A which extends sufficiently far down into the cistern from the top to provide float stop 5, (to comply with UK water regulations a hole 24C is made to stop back siphoning). At the same time this forms an air trap in the annular space 24B between the mains pipe connection 24A and the cistern wall.
  • the mains pipe 24A is constantly open to the mains supply so that the cistern fills until the air trapped in the air trap reaches mains pressure.
  • the flushing cycle can be controlled by the same mechanisms as have been described for the first embodiment above.
  • FIGS ⁇ and 7 show an alternative mechanism for actuating the flush cycle.
  • This mechanism replaces the port 15 with a water supply port 15' and a water discharge port 15" coupled to an hydraulic circuit such as that shown in figure 7.
  • the circuit provides a mains connection 1' to a solenoid valve 2' which communicates with an equal T" connector 3' when actuated.
  • the connector 3' communicates with a check valve 4' and a hence to the delivery port 15'.
  • the "T" connector 3' communicates pressure to control a quick exhaust valve 6'.
  • the solenoid valve 2' opens mains pressure is applied through to check valve 4' to deliver water to the piston chamber 19 causing the piston 12 to outstroke and initiate the flush cycle as previously described.
  • the solenoid valve 2' closes the check valve closes and the relief of pressure on the quick exhaust valve allows water to discharge quickly from the piston chamber.
  • Figure 8 shows a preferred way of adjusting the flush volume to reduce water usage still further.
  • the solenoid valve SV2, 2' or the quarter turn valve QTA are controlled by a sensor assembly which senses the height of the float 7 as it floats up.
  • a manually selected discharge level either a low volume discharge, corresponding to a low float level causes the solenoid to actuate or a high volume discharge corresponding to a high float level.
  • the discharge level can be selected by any convenient means such as the period of time a switch is pressed, a force sensitive switch with two levels of response or a simple two position switch.
  • the float level can be easily detected by placing a magnet M or ferromagnetic material in the float.
  • Two level sensors LS1 and LS2 are mounted at two xlifferent appropriate heights on the vessel 1. According to the selection made one of the level sensors LS1 or LS2 are actuated so that as the float rises it responds to the magnet M to generate an electrical signal which drives the solenoid valve 2' via a suitable electrical circuit.
  • the piston 12 is then urged down by the spring 16 causing the discharge and carrying the float down to seal the cistern.
  • Other systems of float level sensor may be used including, for example, optical sensors.

Abstract

L'invention a trait à un réservoir pour chasse d'eau, dans lequel un tube vertical allongé fait fonction de récipient de stockage d'eau (1). Un orifice de déversement, placé dans la base du tube, est normalement fermé hermétiquement par un flotteur (7) qui est maintenu en place par le différentiel de pression existant entre la colonne d'eau supérieure et l'atmosphère. L'orifice de déversement se présente sous la forme d'un ensemble soupape de commande de chasse d'eau (6), qui comprend un piston (12) pouvant être mis en mouvement à la fois pour éloigner le flotteur (7) de l'orifice de déversement et pour refermer ce dernier. Le flotteur (7) remonte ensuite jusqu'à ce qu'il vienne en prise avec une butée (5). Puis le piston (12) est mis en mouvement pour ouvrir l'orifice de déversement, afin que la colonne d'eau emporte le flotteur (7) vers le bas jusqu'à ce que ce dernier referme l'orifice de déversement. Le réservoir selon l'invention présente l'avantage d'être rempli d'eau quasiment en permanence, et donc de pouvoir effectuer un cycle avec une grande rapidité, si bien qu'il permet une succession rapide de chasses d'eau. La hauteur de la colonne d'eau produit un effet de chasse d'eau plus puissant que dans le cas d'un réservoir alimenté par différence de niveau classique, ce qui permet de réduire le volume d'eau nécessaire à la chasse d'eau.
PCT/GB2003/005111 2002-11-25 2003-11-24 Reservoir pour multiples chasses d'eau WO2004048707A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003302442A AU2003302442A1 (en) 2002-11-25 2003-11-24 Multi flush toilet cistern

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0227436.3 2002-11-25
GB0227436A GB0227436D0 (en) 2002-11-25 2002-11-25 Multi flush toilet cistern
GB0319592.2 2003-08-20
GB0319592A GB0319592D0 (en) 2002-11-25 2003-08-20 Multiflush toilet cistern MK3

Publications (1)

Publication Number Publication Date
WO2004048707A1 true WO2004048707A1 (fr) 2004-06-10

Family

ID=32395879

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2003/005111 WO2004048707A1 (fr) 2002-11-25 2003-11-24 Reservoir pour multiples chasses d'eau

Country Status (2)

Country Link
AU (1) AU2003302442A1 (fr)
WO (1) WO2004048707A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8460867B2 (en) 2001-12-10 2013-06-11 Novartis Ag Methods of treating psychosis and schizophrenia based on polymorphisms in the CNTF gene

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB161641A (en) * 1920-01-07 1921-04-07 Frederick Richard Webb Improvements in and relating to automatic flushing apparatus
US1553616A (en) * 1923-11-03 1925-09-15 Mark W Johnson Hydraulic flushing valve for water-closet tanks
US4143433A (en) * 1978-03-17 1979-03-13 Skousgaard E Chris Water closet

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB161641A (en) * 1920-01-07 1921-04-07 Frederick Richard Webb Improvements in and relating to automatic flushing apparatus
US1553616A (en) * 1923-11-03 1925-09-15 Mark W Johnson Hydraulic flushing valve for water-closet tanks
US4143433A (en) * 1978-03-17 1979-03-13 Skousgaard E Chris Water closet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8460867B2 (en) 2001-12-10 2013-06-11 Novartis Ag Methods of treating psychosis and schizophrenia based on polymorphisms in the CNTF gene

Also Published As

Publication number Publication date
AU2003302442A1 (en) 2004-06-18

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