GB2373257A - Lavatory apparatus having cleaning fluid dispensing assembly actuated by toilet lid - Google Patents
Lavatory apparatus having cleaning fluid dispensing assembly actuated by toilet lid Download PDFInfo
- Publication number
- GB2373257A GB2373257A GB0106574A GB0106574A GB2373257A GB 2373257 A GB2373257 A GB 2373257A GB 0106574 A GB0106574 A GB 0106574A GB 0106574 A GB0106574 A GB 0106574A GB 2373257 A GB2373257 A GB 2373257A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fluid
- lavatory
- flush water
- lid
- reservoir
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K13/00—Seats or covers for all kinds of closets
- A47K13/24—Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22, e.g. devices imparting a swinging or vibrating motion to the seats
- A47K13/30—Seats having provisions for heating, deodorising or the like, e.g. ventilating, noise-damping or cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
- E03D9/005—Devices adding disinfecting or deodorising agents to the bowl
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
Lavatory apparatus comprises a lavatory bowl (1) with a tank (2) for retaining flush water. A lid (5) arranged to cover a top opening of the lavatory bowl (1) comprises a reservoir (10) which is fixed in orientation relative to the lid. The reservoir (10) is preferably inside the lid (5), but alternatively could be arranged outside of the lid. Fluid communication means between the tank (2) and the lavatory bowl (1) is provided by a flush pipe or a cavity, depending upon the particular design of lavatory and passes flush water from the tank to the lavatory bowl. Fluid retained in the reservoir (10) is dispensed into the flush water, either in the tank (2) or lavatory bowl (1), but preferably in the flush pipe or cavity in response to the lid (5) being moved from a substantially horizontal position to a substantially vertical position. A chamber (11) preferably mounted in the lid (5) regulates the flow of fluid to the flush pipe or cavity to approximately 1ml in a dispensing action.
Description
Lavatory Apparatus
This invention relates to lavatory apparatus and more particularly to lavatory apparatus that dispenses fluids to mix with flush water.
Lavatories with self-cleaning functions are often desirable in situations where manual labour is considered too costly or is only available periodically. Various lavatories incorporating a self-cleaning function are known in the art. US Patent No. 4 984 307 describes a sanitizer attachment which is arranged in the path of flush water flowing between a tank and a lavatory bowl This arrangement uses flush water itself to disperse cleaning fluid around a lavatory bowl. However, the effectiveness of the attachment deteriorates with usage, and access to the attachment is difficult. US
Patent No. 5 040 246 describes a system in which a cleaning fluid is dispensed into the tank of a lavatory assembly in response to activation of a flush handle The cleaning fluid is contained in a reservoir housed in the tank of the lavatory; access to the reservoir for the purposes of replenishing cleaning fluid is therefore difficult US
Patent No. 6 178 564 describes a cleaning fluid dispenser attachable to the rim of a lavatory bowl so as to hang under it. Flush water flowing over a platform of the dispenser disperses cleaning fluid dispensed thereupon. The dispenser includes a small reservoir in which cleaning fluid is retained. Although the dispenser is readily accessible, it suffers the disadvantages that the reservoir will require refilling or replacing on a regular basis, dispersion of cleaning fluid around the entire lavatory bowl is somewhat limited and the amount of cleaning fluid dispensed depends on the volume of cleaning fluid remaining in the reservoir.
It is therefore seen that there is a need for efficient and thorough dispersion of cleaning fluid, or the like, around a lavatory bowl in consistent amounts including a reservoir for the cleaning fluid that is easily accessible and of substantial volume.
In its broadest aspect, the invention provides lavatory apparatus comprising: a lavatory bowl having a top opening; a tank for retaining flush water ; a lid pivotally mounted to the lavatory bowl having a first position in which'e lid is orientated so as to obscure the top opening substantially ; fluid communication means providing a path for the flush water to flow from the tank to the lavatory bowl; a reservoir fixed in orientation relative to the lid and arranged to dispense fluid retained therein into the flush water in response to an arcuate change of orientation of the lid from the first position to another position having a substantially different orientation from the first position.
Fixing the orientation of the reservoir relative to the lid provides apparatus with better access to the reservoir for refilling purposes than attaching it to the rim of the lavatory bowl or placing it in the tank. Fluid is dispensed in response to the lid being"opened" from its horizontal position and does not rely upon activation of a complicated flush mechanism. The apparatus is easily adapted to dispense a desired volume of fluid consistently with each flush and the reservoir may be of sufficient volume to permit many flushes, perhaps 500, before it requires refilling with fluid.
Advantageously, the fluid may be dispensed into the flush water before it has entered into the lavatory bowl. This may be into the tank, but is preferably into the fluid communication means. A further alternative is to dispense the fluid into the lavatory bowl; if this arrangement is employed, it is preferable that the fluid is dispensed at the rear of the lavatory bowl, where movement of flush water is most turbulent.
Dispersion of the fluid is therefore more efficient at this point. Fluid may, of course, be dispensed at other points around the lavatory bowl.
Fluid dispensed into the fluid communication means could be retained therein and dispersed during a flushing action. Movement of flush water passing through the fluid communication means could achieve this dispersion, although other dispersion means are possible, for example squirting the fluid into the flush water as it passes through
The retention means could advantageously be a pipe end adapted to retain fluid dispensed from the reservoir, having small holes through which flush water can flow, dispensing the fluid during a flushing action. The retention means could also be a further small reservoir that ejects the fluid during a flushing action Advantageously, the pipe end could comprise a sponge material contained therein to assist with retention of the fluid before dispersion.
Preferably, a further fluid path is present between the reservoir and the fluid communication means, having a one-way valve in the path which prevents flush water flowing from the fluid communication means to the reservoir. The further fluid path could be provided by a flexible tube.
In a particularly advantageous embodiment of the invention, a regulated volume of fluid is dispensed into the flush water in response to an arcuate change in orientation of the lid from the first position to another position. The volume of fluid dispensed, in response to an arcuate change in orientation of the lid, could be regulated by a fixed- volume chamber which fills with fluid from the reservoir upon the lid being orientated into the first position. The chamber could then empty of fluid upon the lid being orientated to another position having a substantively different orientation from the first position, thereby dispensing the fluid into the flush water.
An ideal volume of fluid to be dispersed in a flushing action is approximately I ml, accordingly, the chamber preferably has a volume of Iml, although other volumes are of course possible The chamber could be located inside the lid, although it could be located underneath or above the lid or even off the lid completely. Furthermore, the reservoir could advantageously be located inside the lid, although it could also be located above or underneath the lid.
The reservoir could have an orifice with a removable stopper or cap to provide a salable filling port. The fluid may be any preparation that serves a desired function in the lavatory bowl, such as a deodourant, detergent or disinfectant.
In order that the invention may be more readily understood, exemplary embodiments thereof will now be described with reference to the accompanying drawings, in which like reference numerals are used throughout, and :
Figure 1 shows a side view of a common design lavatory apparatus in accordance with an embodiment of the invention;
Figure 2 shows a side view of another common design of lavatory apparatus in accordance with the embodiment of the invention shown in figure 1;
Figure 3 shows a schematic cross-sectional side view of a lid in accordance with another embodiment of the invention;
Figure 4 shows a schematic cross-sectional top view of the lid shown in figure 3,
Figure 5 shows a one-way valve and fluid retention means in accordance with a further embodiment of the invention; and
Figure 6 shows a perspective view of a lavatory bowl in accordance with another embodiment of the invention.
Referring firstly to figure 1, the lavatory apparatus comprises a lavatory bowl I with a tank 2 for retaining flush water (not shown) mounted on it. The tank 2 has a flush handle 3 and a cavity 4 provides fluid communication means from the tank to the lavatory bowl 1 for the flush water. A lid 5 covers the lavatory bowl I when in a horizontal position (as shown) and is pivotally attached to the lavatory bowl at its end which is closest to the tank 2. The lid 5 is movable in an arcuate manner from the horizontal position to a position in which the other end of the lid is touching the tank 2 A flexible tube 6 providing a fluid path extends between the first-mentioned end of the lid 5 and the lavatory bowl 1, its function to be described later. The other end of the flexible tube 6 connects with a pipe end 7 situated inside the cavity 4, passing through an aperture on the top of the lavatory bowl I.
Referring now to figure 2, the lavatory apparatus shown is very similar in design to the lavatory apparatus shown in figure 1. The tank 2, however, is not mounted upon the lavatory bowl 1, but is arranged separately above it. A flush chain 8 is provided as an alternative to the flush handle 3, having the same function. Instead of having the cavity 4 of the lavatory apparatus of figure I, a flush pipe 9 provides fluid communication means from the tank 2 to the lavatory bowl 1. The pipe end 7 is situated in a horizontal portion of the flush pipe 9. In both the above-described lavatory apparatuses, the pipe end 7 is situated beneath a lowermost point of the lid 5
Referring now to figure 3, a more detailed schematic cross-sectional side view of the lid 5 is shown. Inside the lid 5 is a reservoir 10 for retaining disinfecting fluid. The reservoir 10 has a capacity of approximately 500ml A chamber 11, in fluid communication with the reservoir 10 via a slit opening 12, has a capacity of approximately Iml. A fluid guide 13 connects the chamber 11 with the flexible tube 6, which passes through the lid 5 An orifice 14 provides access to the reservoir 10 from outside the lid 5 for refilling purposes and a stopper 15 is used to provide a seal for the orifice.
Referring now to figure 5, a one-way valve, shown generally as 16, is connected to the flexible tube 6 and mounted above the cavity 4 or flush pipe 9. The one-way valve 16 comprises a plunger, shown generally as 17. The plunger 17 is constructed of a plastics material which floats on water. The plunger 17 comprises a base 18 with holes 19 in it to pass fluid, and a seal 20 made of rubber. The plunger 17 slides within a hollow cylindrical housing 21. The housing 21 further comprises a hollow cylindrical plunger guide 22, which guides the seal 20, and is held in position by support spokes 23. Contact between the base 18 and the housing 21 constitutes a substantially watertight seal. The housing 21 is sealed at its top end by a top end cap 24, which accommodates the flexible tube 6 with a tube end 25 of the flexible tube protruding slightly into the housing, which is located coaxially with the plunger guide 22. A bottom end cap 26 seals the bottom end of the housing 21. The bottom end cap 26 comprises some seating bumps 27 to support the plunger 17 and has a bottom end cap opening 28 which is connected to the pipe end 7 to provide fluid communication to it
The pipe end 7 comprises sponge-like material 29 arranged in layers. The pipe end 7 has a watertight planar end, inlet holes 30 an outlet holes 31 which are able to pass flush water moving in the direction of arrow 32 through the cavity 4 or flush pipe 9.
When the lid 5 is moved to a horizontal position (as shown), the chamber 11 fills with fluid from the reservoir 10 but, in this position, the fluid does not flow down the fluid guide 13. When the lid 5 is moved in an arcuate manner to a position where it touches the tank 2, fluid retained in the chamber 11 passes down the fluid guide 13 to the flexible tube 6 by action of gravity As the fluid enters the one-way valve 16 via the tube end 25, it fills the housing 21 and passes through the holes 19 and bottom end opening 28 and enters the pipe end 7 The pipe end 7 substantially retains the fluid in amongst the sponge-like material 29, with little or no fluid leaking from the inlet
holes 30 or outlet holes 31. Although the pipe end 7 can cope with retaining the weight of the volume of fluid dispensed by the chamber 11 with no substantial leakage, it would not be able to cope with retaining the weight of the volume of fluid from reservoir 10 directly. This characteristic of the pipe end 7 is the cause of the requirement of the function of the chamber 11 in this embodiment.
During a flushing action, fluid retained in the pipe end 7 in amongst the sponge-like material 29 is dispersed by the action of flush water passing through the cavity 4 or the flush pipe 9. The flush water has a lower viscosity than the fluid, and therefore is able to enter the inlet holes 30 and exit the outlet holes 31 with ease, owing to the pressure of the flush water flow. The pressure of the flush water also enables it to disperse the fluid retained in amongst the sponge-like material 29 through the outlet holes 31. The dispersed fluid then flows to the lavatory bowl 1 with the flush water where it performs its intended function.
The pressure of the flush water passing through the pipe end 7 is sufficient to urge it up into the housing 21. Upon entering the housing 21, the plunger 17 floats on the flush water and, as the housing fills further with flush water, the plunger moves towards the tube end 25 and the seal 20 makes contact with the tube end. The contact constitutes a watertight seal, preventing flush water from passing up the flexible tube 6 to the reservoir 10 Once the flushing action has ceased, flush water in the housing 21 trickles out of the inlet holes 30 and the outlet holes 31 back into the cavity 4 or the flush pipe 9. The plunger 17 lowers with the level of the flush water back to its position on the seating bumps 27, breaking the seal with the tube end 25 Any fluid dispensed by the reservoir 10 is then able to pass through the housing 21 to the pipe end 7 again
Referring lastly to figure 6, a further embodiment of the invention is shown whereby fluid is dispensed directly to the lavatory bowl 1 through top opening 33, via the flexible tube 6. The lid 5 is not shown for clarity. A dispensing member 34 is connected to the flexible tube 6 and clipped under the rim at the rear of the lavatory bowl 1. Flush water moves turbulently in the lavatory bowl 1 during a flushing action, and fluid retained in the dispensing member 34 is dispersed around the lavatory bowl. The turbulence of the flush water is greatest at the rear of the lavatory bowl 1. The dispensing member 34 is a hollow plastic retainer with several holes to allow flush water to pass in and out. No one-way valve is required in this embodiment
Claims (18)
- Claims: 1 Lavatory apparatus comprising: a lavatory bowl having a top opening, a tank for retaining flush water; a lid pivotally mounted to the lavatory bowl having a first position in which the lid is orientated so as to obscure the top opening substantially, fluid communication means providing a path for the flush water to flow from the tank to the lavatory bowl ; a reservoir fixed in orientation relative to the lid and arranged to dispense fluid retained therein into the flush water in response to an arcuate change of orientation of the lid from the first position to another position having a substantially different orientation from the first position.
- 2 Lavatory apparatus as claimed in Claim 1 in which the fluid is dispensed into the path of the flush water after the flush water has entered the lavatory bowl
- 3 Lavatory apparatus as claimed in Claim 2 in which the fluid is dispensed into the path of the flush water at a point that is substantially at the rear of the lavatory bowl.
- 4 Lavatory apparatus as claimed in Claim I in which the fluid is dispensed into the flush water before the flush water has entered the lavatory bowl
- 5. Lavatory apparatus as claimed in Claim 4 in which fluid dispensed by the reservoir is retained by retention means located in the path of the flush water and dispersed into the lavatory bowl during a flushing action.
- 6. Lavatory apparatus as claimed in Claim 5 in which the retention means disperses the fluid dispensed by the reservoir by means of flush water passing through the fluid communication means.
- 7 Lavatory apparatus as claimed in Claim 6 in which the retention means is a pipe end adapted to retain substantially fluid dispensed thereto from the reservoir, the pipe end including outlet holes through which flush water can flow
- 8 Lavatory apparatus as claimed in Claim 7 in which the pipe end comprises a sponge-like material to assist with retention of the fluid dispensed by the reservoir
- 9. Lavatory apparatus as claimed in Claim 8 in which a further fluid path present between the reservoir and the fluid communication means comprises a one-way valve to prevent any flush water which enters the pipe end from passing to the reservoir
- 10 Lavatory apparatus as claimed in Claim 9 in which the further fluid path is provided by a flexible tube
- 11 Lavatory apparatus as claimed in any preceding claim in which a regulated volume of fluid is dispensed into the flush water in response to an arcuate change in orientation of the lid from the first position to another position
- 12 Lavatory apparatus as claimed in Claim 11 in which the regulated volume of fluid is regulated by a fixed-volume chamber which fills with fluid from the reservoir upon the lid being orientated into the first position and which empties of fluid upon the lid being orientated to another position having a substantially different orientation from the first position thereby dispensing the fluid into the flush water.
- 13 Lavatory apparatus as claimed in Claim 12 in which the volume of fluid dispensed by the chamber is approximately I ml
- 14 Lavatory apparatus as claimed in Claims 12 or 13 in which the chamber is located inside the lid.
- 15. Lavatory apparatus as claimed in any preceding claim in which the reservoir is located inside the lid.
- 16. Lavatory apparatus as claimed in any preceding claim in which the reservoir has an orifice with a removable stopper or cap to provide a salable filling port
- 17. Lavatory apparatus as claimed in any preceding claim in which the fluid is a preparation that has disinfecting properties.
- 18. Lavatory apparatus substantially as hereinbefore described with reference to the accompanying drawings.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0106574A GB2373257A (en) | 2001-03-16 | 2001-03-16 | Lavatory apparatus having cleaning fluid dispensing assembly actuated by toilet lid |
EP02713038A EP1373648A1 (en) | 2001-03-16 | 2002-03-18 | Liquid dispenser for lavatories |
CA002441193A CA2441193A1 (en) | 2001-03-16 | 2002-03-18 | Liquid dispenser for lavatories |
PCT/GB2002/001267 WO2002075064A1 (en) | 2001-03-16 | 2002-03-18 | Lavatory apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0106574A GB2373257A (en) | 2001-03-16 | 2001-03-16 | Lavatory apparatus having cleaning fluid dispensing assembly actuated by toilet lid |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0106574D0 GB0106574D0 (en) | 2001-05-09 |
GB2373257A true GB2373257A (en) | 2002-09-18 |
Family
ID=9910871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0106574A Withdrawn GB2373257A (en) | 2001-03-16 | 2001-03-16 | Lavatory apparatus having cleaning fluid dispensing assembly actuated by toilet lid |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1373648A1 (en) |
CA (1) | CA2441193A1 (en) |
GB (1) | GB2373257A (en) |
WO (1) | WO2002075064A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2574273A (en) * | 2018-06-02 | 2019-12-04 | Tembo Paul | Enhanced toilet seat lid and automated bleach/disinfectant dispenser for the flush toilet bowl |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1096114A (en) * | 1963-12-12 | 1967-12-20 | Fur Patentankauf Anstalt | Spray devices in association with water-closet bowls or the like |
US4914757A (en) * | 1989-01-06 | 1990-04-10 | Johnson Oriz W | Automatic toilet lid/seat control device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1421348A (en) * | 1922-01-31 | 1922-06-27 | Bradley Henry | Means for disinfecting sanitary pans and the like |
DE2258397C3 (en) * | 1972-11-29 | 1975-11-20 | Dieter 3221 Kaierde Schmidt | Method and device for keeping toilet bowls clean |
DE2721433C3 (en) * | 1977-05-12 | 1981-02-12 | Walter 6368 Bad Vilbel Haberle | Water flush toilet with a hinged lid |
FR2610815B1 (en) * | 1987-02-12 | 1989-06-16 | Muhlematter Georges | SEAT SEAT WITH FLAP WITH AUTOMATIC DISPENSER OF INCORPORATED PRODUCT DESCALER, AIR FRESHENER, ASEPTISANT |
EP1085831A1 (en) * | 1998-06-11 | 2001-03-28 | Kuyus-Stiftung | Dosing device for liquids in toilet bowls |
DE20018585U1 (en) * | 2000-10-31 | 2001-02-08 | Altmayer, Martin, 86825 Bad Wörishofen | Toilet seat with automatic fragrance spray system |
-
2001
- 2001-03-16 GB GB0106574A patent/GB2373257A/en not_active Withdrawn
-
2002
- 2002-03-18 CA CA002441193A patent/CA2441193A1/en not_active Abandoned
- 2002-03-18 WO PCT/GB2002/001267 patent/WO2002075064A1/en not_active Application Discontinuation
- 2002-03-18 EP EP02713038A patent/EP1373648A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1096114A (en) * | 1963-12-12 | 1967-12-20 | Fur Patentankauf Anstalt | Spray devices in association with water-closet bowls or the like |
US4914757A (en) * | 1989-01-06 | 1990-04-10 | Johnson Oriz W | Automatic toilet lid/seat control device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2574273A (en) * | 2018-06-02 | 2019-12-04 | Tembo Paul | Enhanced toilet seat lid and automated bleach/disinfectant dispenser for the flush toilet bowl |
Also Published As
Publication number | Publication date |
---|---|
EP1373648A1 (en) | 2004-01-02 |
CA2441193A1 (en) | 2002-09-26 |
WO2002075064A1 (en) | 2002-09-26 |
GB0106574D0 (en) | 2001-05-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |