EP0265453A1 - Geschlossenporiger Schaumteppich und Vorrichtung zu dessen Ausbildung. - Google Patents
Geschlossenporiger Schaumteppich und Vorrichtung zu dessen Ausbildung.Info
- Publication number
- EP0265453A1 EP0265453A1 EP87902085A EP87902085A EP0265453A1 EP 0265453 A1 EP0265453 A1 EP 0265453A1 EP 87902085 A EP87902085 A EP 87902085A EP 87902085 A EP87902085 A EP 87902085A EP 0265453 A1 EP0265453 A1 EP 0265453A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- foam
- water
- toilet
- bowl
- foaming
- 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
Classifications
-
- 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
Definitions
- the invention relates to a method and an apparatus for
- DE-C 20 23 133 discloses a method for odorless depositing of excrement in a toilet bowl provided with a water rinse in a conventional manner, in which prior to depositing the excrement with a foam-forming preparation in tablet form or in an aerosol can a foam cushion is produced in the toilet bowl, which is removed together with the excrement when the water is flushed.
- This procedure was never put into practice. The reason for this is in all likelihood that a foam pillow can be produced using tablets or an aerosol can, which at most acts as an odor barrier for 5 minutes until rinsing serves and that must be generated only relatively expensive, ie by separate manipulation of the user.
- a system for preventing the spread of odors when using a toilet has at least one nozzle which is connected to a water pipe and is located in the toilet bowl, a distributor cone being arranged behind the mouth of the water pipe and converting the escaping water into a water film bell shielding the bottom of the bowl.
- the device according to DE-C 1 043 969 is also concerned only with odor removal in a toilet bowl.
- the situation is similar with the extremely construction-intensive arrangement according to US Pat. No. 4,571,752.
- 1 cm 3 of chemical 288 gr per day is distributed every 5 minutes without later binding to the environment, and the toilet bowl smell is blown up with a fan every 5 minutes .
- the present invention is based on the object of creating a method and an arrangement of the type mentioned at the outset with which a foam cover is produced in the toilet bowl which not only serves as a permanent odor barrier, probe in particular also has an anti-spray effect and which at the same time makes cleaning of the toilet very easy.
- this object is achieved in a surprisingly simple manner by the characterizing measures of claim 1 and with regard to the arrangement by the characterizing measures of claim 12 or 15.
- the inventive design of the foam carpet ensures absolutely safe spray inhibition, even with a deep-flush toilet or cascade toilet.
- these experiments have shown that it is necessary to make the foam homogeneous and closed-pore in such a way that foam bubbles of different diameters are present, the height of the foam carpet being at least twice as large as the average foam bubble diameter should preferably be around 4-6 mm.
- the foam preferably contains no foam bubbles with a diameter greater than 20 mm. On the free surface of the foam carpet, however, the bubbles can sometimes have a diameter of up to
- a foam carpet is particularly advantageous in which the proportion of foam bubbles with a diameter of less than 5 mm is greater than the proportion - of foam bubbles with a diameter of greater than 5 mm.
- the proportion of foam bubbles with a diameter of less than 5 mm is advantageously about 60 to 80% by volume of the total foam, the foam bubble diameter being at least about 1 mm.
- the foam bubble distribution as well as the degree of spreading over time is also a measure of the viscosity of the foam to be used.
- the foam viscosity of a particularly effective foam is combined with a rotary viscometer from Haake, Düsseldorf, type VT 181 with FL 10 wing rotating body with U4 speed level 5 liter container with 20 cm diameter measured and should
- the weight of the foam formed according to the invention is preferably - including that of the non-foamed one
- Foaming agent about 5 to 20 gr per liter of foam. Furthermore, the foam is advantageously designed in such a way that a foam carpet sorted from bottom to top results in bubble size. In a lower layer, small bubbles with a diameter of approximately 1.0 - 4.0 mm inhibit the excrement impact force, so that splashing and pool contamination can be avoided. Large bubbles with a diameter of about 4 - 40 mm form a foam net on the top or in the upper layers of the foam carpet, which extends over excrement tips and thus prevents odor and bacteria from escaping.
- the flow rate of the foam at 20 ° C ambient temperature is preferably at least 1 cm / sec.
- the foam surface tension at 20% ambient temperature is approximately 15-70% of the water surface tension. At these values, the foam formed spreads sufficiently quickly up to the lateral boundary of the bowl, specifically under the spray and odor-inhibiting covering of the surface exposed to excrement.
- the "water half-life" of the formed foam carpet is also of minor importance, ie the time within which the water content of the foam carpet is around
- the foam carpet according to the invention is dissolved shortly before or during rinsing, in particular by means of an agent which chemically binds the foam (foam dissolving agent), the foam dissolving agent being advantageously sprayed onto the foam carpet obliquely from above for this purpose.
- foam dissolving agent is advantageously sprayed onto the foam carpet obliquely from above for this purpose.
- the foam then collapses within a very short time (less than 1 second) and does not form again in the sewage system.
- foam dissolving agents are available on the market.
- the foam dissolving agent is preferably sprayed onto the foam carpet by spray nozzles arranged on the upper bowl edge or on the glasses of a seat toilet in such a way that the entire foam carpet is covered.
- This type of foam dissolution has the further advantage of an additional loosening of the deposited excrement when flushing. At the same time, cleaning of the toilet bowl is considerably promoted.
- the deposited excrement is more or less only “scraped off” by the flushing water, leaving corresponding excrement residues on the ceramic surface.
- the abovementioned spraying of the foam carpet and thus also the excrement obliquely from above causes a kind of decomposition of the detached water, which is almost detached by the rinsing water on the ceramic surface. H. already "jiggling" excrement. For this reason, it is also advantageous to spray the foam dissolving agent or even just water onto the foam carpet at relatively high pressure.
- a particularly simple solution of the invention is characterized in that a foam former is added to the rinsing water to form the foam carpet in such a way that it rinses with the rinsing water into the toilet bowl simultaneous foaming occurs.
- a foam former is added to the rinsing water to form the foam carpet in such a way that it rinses with the rinsing water into the toilet bowl simultaneous foaming occurs.
- the foam can also be newly formed immediately before each use of the lavatory and can be introduced into the lavatory bowl separately from the rinsing water, in particular through at least one foaming sieve, as a result of which the foam experiences additional homogenization.
- the foam is preferably introduced into the toilet bowl with the aid of air.
- the rinse water erfindungsge ⁇ Permitted a whole can be reduced considerably, since the cleaning of the toilet bowl by the present invention er ⁇ "trained balancing retardant foam carpet is considerably facilitated.
- the foam used is preferably substantially forward from fats and alcohols having good sliding and cleaning properties, it can also contain deodorant components.
- the arrangement for forming the display carpet according to the invention is selected so that standard toilet bowls can be used.
- the arrangements according to the invention are more or less additional devices that can also be retrofitted.
- foaming sieves are expediently arranged in the rear curvature of the glasses, since most of the space is available there.
- the foam sieve arrangement is provided with a mouth pointing radially to the glasses, which thus points from behind into the interior of the toilet bowl. Since the rear wall is usually very steep, this ensures that the toilet bowl is well filled with foam.
- a valve is provided, which can either be provided directly in the line between the storage container and the foam sieve arrangement, in which case the storage container is pressurized, or one is attached to the side or bottom of the glasses
- Ordered water connection can be connected to the foam sieve arrangement via the valve and a mixer connected to the storage container.
- a concentrated foaming agent is used in a pressureless storage container or reservoir, which is then diluted with water in the mixer.
- valve together with the mixer and the foaming sieve arrangement, is also expediently arranged in the rear curvature of the glasses and is connected to them via very short connecting hoses. This results in a very short lead time after actuation of the valve until foam is generated. The loss of liquid is kept very small and an undesired inflow of this liquid into the toilet bowl is prevented.
- the valve can either be actuated manually via a hand lever, which protrudes laterally, or it can be actuated automatically, in which case the valve can be actuated via a pushbutton by opening the cover.
- a particularly adjustable timer is then used to automatically set the foaming time.
- Foam formation can be very significantly supported by a blower arranged behind the spray or spray nozzle for foam generation, as is known, for. B. is used for standard hair dryers (of course without heating coil).
- a foam dissolving device can be arranged on the inside of the lid assigned to the toilet bowl. It advantageously consists of a flat design Storage container or reservoir for a foam dissolving agent which is connected to a spray nozzle or spray nozzle which is arranged essentially centrally on the inside of the lid and points downwards, a valve being provided for controlling the spraying or spraying process. Because of the large available area, the storage container or the reservoir can be made very flat, so that it or it hardly survives in a disturbing manner. A sufficient usable volume is achieved. In the borderline case, the reservoir can extend over the entire surface of the cover or can be designed to be integrated with it.
- the centrally arranged spray nozzle permitted by their favorable, foam layer has a resolution as well as decomposition of the excrement with a minimal amount of Schaumauflosungsmittel.
- the valve can be arranged directly between the reservoir and the nozzle, the necessary operating pressure being generated in the reservoir or being supplied to it.
- a water connection arranged on the cover can also be connected to the spray or spray nozzle via the valve and a mixer connected to the reservoir.
- the reservoir is filled with a concentrate that is combined with water in the mixer to form the ready-to-use mixture. This has the advantage that a very small amount of foam dissolving agent is sufficient for a very large number of dissolving processes.
- a storage container or reservoir for a foam dissolving agent can also be arranged in a curvature of the glasses, preferably in the front curvature of the glasses, such that it encompasses at least part of the glasses opening. This can also make the front smaller
- a large-volume reservoir can be accommodated.
- the determination of the two reservoirs can also be interchanged.
- At least one spray or spray nozzle arranged at the glasses opening and directed obliquely downwards is connected to this reservoir, a valve being provided for controlling the spraying or spraying process.
- a valve being provided for controlling the spraying or spraying process.
- a number of spray or spray nozzles which are arranged at intervals from one another on a preferably rigid line which is at least partially guided around the spectacle opening, have proven particularly advantageous for the uniform and complete dissolution of the foam.
- valve for controlling foam generation and the valve for controlling foam dissolution can be designed as a valve body.
- valve for controlling the foam dissolution can be operated manually by means of a hand lever, which preferably protrudes to the side, or the valve is automatically actuated via a pushbutton when the lid is closed, with the injection or spraying time also being specified here in particular adjustable timer is used in an advantageous manner.
- the storage containers Since the storage containers must on the one hand be provided with a ventilation opening and on the other hand the outflow of liquid from this opening should be avoided when the glasses or the lid are folded up, the storage containers or reservoirs at a filling point are expediently provided with a check valve. This allows liquid and air to be filled in or enter, on the other hand, liquid is prevented from flowing out.
- the filling points are expediently connected to a filling hose, which preferably extends to the edge of the glasses or the lid.
- the aforementioned spray or spray nozzles for the dissolving agent can also be arranged along the upper edge of the bowl.
- An advantageous embodiment of the foaming sieve arrangement is achieved in that at least two foaming sieves with different mesh sizes are arranged one behind the other at a considerably greater distance than the mesh size, with a nozzle emitting the foaming agent being directed at the foaming sieve with the smaller mesh size.
- a very favorable ratio between the small size and the large number of foams ratio of the foam volume to the volume of the liquid foaming agent
- Foaming numbers of over 100 can thus be achieved with a construction size of the foaming sieve which is suitable for insertion into the rear curvature of the glasses.
- a further optimization of the foam generation can be achieved by further foam screens arranged at a corresponding distance from one another, which either have increasing mesh sizes or oscillating mesh sizes, or in which at least two foam screens have essentially the same mesh sizes.
- the first pair of foaming screens - as seen from the foam spray or spray nozzle - consists of a first screen with a 12 mm mesh size and a second screen with an 8 mm mesh size.
- a second pair of foaming sieves is arranged at a distance of approximately 8 mm, with a first foaming sieve with a 4 mm mesh size and a second foaming sieve with a 4 mm mesh width. If an additional fan is used to support foam formation, the first effective foaming sieve has a mesh size of only about 1 to 2 mm, in particular 1.5 mm. This "pre-screen" has a kind of braking effect for the emerging foam.
- the formation and arrangement of the foam screens naturally depends not least on the foam former used and its concentration.
- foam screens which are preferably each contained in a ring, are arranged in a tube or outlet channel, with spacers, preferably in the form of spacer sleeves, being provided for adjusting the distances.
- the distances can vary. In this way, optimization and adaptation to another foaming agent or to another can be carried out easily and quickly
- a spacing of the foam screens or the rings holding them along their circumference from the wall of the outlet channel has proven advantageous, especially in the case of a construction with compressed air-assisted foam formation. Excess foam etc. can flow back along the wall of the outlet channel in order to then be "blown" again into the area of the foam screens.
- a use sensor can be provided for dispensing the foam or the foaming agent, which uses a signal before or when the toilet is being used, which activates the dispensing device for the foam or foaming agent for a predetermined period of time .
- This use sensor can be, for example, a light barrier to be arranged directly in front of the toilet, by means of which it is established that a user has approached the toilet. As soon as this is established, the dispensing device outputs a predetermined amount of the respective agent.
- a usage sensor can also be provided which generates a signal as a result of another activity by the toilet user.
- the door lock or the switching on of the light or the activation of ventilation can be used to emit a signal to release the foam to the corresponding device.
- a separate switch-on device is also possible.
- Fig. 1 is an overview diagram for explaining the
- FIG. 3 shows a perspective, partially schematic view of a flushing toilet with use sensor and a flushing cistern with foaming agent storage chamber or reservoir
- FIG. 4 shows a schematic cross section of a cistern with a foam former - storage chamber and foam dissolver storage chamber, 2 in a slightly modified embodiment, in a schematic cross section,
- FIGS 6 and 7 show two schematically illustrated possibilities for dispensing the foaming agent from the associated storage chamber or the associated storage container (reservoir),
- FIG. 1 shows a further embodiment of a flushing closet in schematic cross section
- Fig. 10 shows a still further modified execution f "orm of a flush toilet in front view with partly broken away front wall of a water closet associated Spül ⁇ box,
- FIG. 11 shows a foam generating device accommodated in glasses of a seat lavatory and a foam dissolving device arranged on a cover,
- FIG. 13 is a plan view of a large-mesh second foaming screen
- FIG. 14 is a plan view of a fine-mesh, first foaming screen (pre-screen),
- FIG. 15 shows a circuit arrangement of an automatic valve control
- Fig. 16 shows another embodiment of a
- Spectacles in which both devices, namely foam generation device and foam dissolving device, are accommodated, in a top view,
- Fig. 17 shows another embodiment of a
- FIG. 18 shows a plan view of a foaming sieve which is spaced along the circumference from the wall of the outlet channel, with the formation of corresponding drainage gaps.
- the method according to the invention is illustrated, assuming the use of a foam as a spray-inhibiting substance floating on the water surface.
- the foam is applied first.
- rinsing is carried out in the usual way, and the foam should also be rinsed away.
- no special measures are regularly required to wash away the foam.
- the construction of the toilet is such that the water volume is only partially replaced, it is advantageous to spray a foam dissolver onto the introduced foam or to apply it in some other way before triggering the rinsing process, as is shown in the process step outlined in dashed lines in FIG. 1 on the right .
- the flush toilet 10 according to FIG. 2 is designed as a so-called washdown unit, in which there is a large volume of water 11, which extends over the flushing bowl 12 from far back to far forward with its surface 13.
- the water of the water volume 11 is fed from behind via a rinsing water nozzle 14 and washed away to the rear via a waste water nozzle 15.
- Flushing toilets 10 have an outlet opening 16 which is connected to the water volume 11 and is nozzle-like in the exemplary embodiment and which is supplied with foaming agent via a foam line 17. If foam or foaming agent is dispensed through this outlet opening 16, it rises to the surface 13 and forms a foam layer 18 thereon. However, it is just as well conceivable to foam through e or more foam lines opening into the bowl 12 above the water surface 13 ( en).
- a foam dissolver outlet opening 19 is arranged above the surface 13 in the rear area of the flushing toilet 10 and is directed towards the foam layer 18.
- foam dissolver is supplied via a foam dissolver line 20.
- FIGS. 3 and 4 relate to a flushing toilet with a cistern 21 which, in addition to a water storage chamber 22, also has a foaming agent storage chamber 23 and a foam dissolving storage chamber 24. If necessary, if no foam dissolver is required, the chamber 24 could also be missing.
- the cistern 21 is uncovered by two covers, namely a water chamber cover 25 above the water chamber 22 and a storage chamber cover 26 above the two storage chambers 23 and 24.
- the water chamber cover 25 holds a flush button 27, which has a float box 28 and a valve bell 29 inside the water chamber 22 is operatively connected.
- the foam dissolver storage chamber 24 is separated from the water chamber 22 by a first partition 30.
- the foaming agent storage chamber 23 is separated by a second partition 31.
- a pump is arranged at the bottom of each of the two storage chambers 23 and 24, namely a foaming agent pump 32 and a foam dissolving pump 33 on the other.
- the pumps 32 and 33 each have an inlet connection 35, 32 and 35, 33 at the top, which are connected to the respective storage chamber volume.
- the storage chambers 23 and 24 are filled by removing the storage chamber cover 26 and pouring foaming agent into the foaming agent storage chamber 23 or foam dissolver into the foam dissolving storage chamber 24.
- the water chamber 22 is supplied with water through a water pressure pipe 36 which is connected to the float box 28.
- the float box 28 releases water into the water chamber 22 via an inlet connection 37 until a preset level is reached.
- the foaming pump 32 has two signal line connections 38. Two signal lines 39 are connected to these connections 38 and start from a control box 40 supplied with voltage. On the other hand, a light barrier 42 is connected to the control box via light barrier signal lines 41. The light barrier is arranged so that it emits a signal when a user approaches the toilet. This signal is converted in the control box 40 into a signal of a predetermined period of time, which is given to the signal line connections 38 of the foaming agent pump 32. This then pumps foaming agent to the foam nozzle 16 for the predetermined period of time. In the predetermined period of time, a predetermined amount of foaming agent is pumped, which leads to a predetermined amount of foam 18 which spreads on the surface 13 of the water volume 11 in the flushing toilet 10.
- the signal for operating the foaming pump 32 can also be emitted by a button operated by hand or foot. Foaming agent is then pumped as long as the button is pressed by hand.
- a separate container can also be provided which contains the foaming agent.
- a container can be placed in the storage chamber 23 or a similar storage chamber, it can also be attached to the wall or placed on the floor.
- the foam line 17 is then connected to the dispensing opening or nozzle of the container. This is then operated using the usual control unit. This can be done either directly by hand or foot or via a lever mechanism or via an electrically operated actuator. follow if, for example, a light barrier 42 is used again.
- the foam dissolver pump 33 contains voltage via two voltage supply connections 43.
- the pump 33 is connected via control lines 47 to a microswitch 44 arranged in the flushing button 27.
- the microswitch 44 is actuated by a foam release button 45, which is arranged centrally in the cistern 27.
- the foam dissolver button is first pressed down on the microswitch 44 before the flush button 27 goes down and thus raises the valve bell 29 via the lifting rod 46 so that water can flow into the cistern.
- the foam dissolver pump 33 pumps foam dissolver to the foam dissolver outlet opening 19 via the foam dissolver line 19. The foam 18 is thereby decomposed so that it is more easily washed away by the flushed-in water leaves.
- the control button for the container can be coupled to the rinsing button 27 via a mechanical follow-up mechanism, so that when the rinsing button is actuated, the dissolver is first sprayed off before the rinsing water is washed into the rinsing bowl 12.
- the pressure for conveying foaming agent or foam dissolver can also be generated by a piston-cylinder mechanism or by other suitable means with the help of the water pressure instead of by a pump. 1.
- the control box 40 emits a signal to the foaming agent pump 32 for a predetermined period of time, so that the foaming pump 32 has a predetermined amount of foaming agent in this 5 predetermined range pumps.
- the Kosier listening can also be designed differently, z. B. so that a given volume is filled into an intermediate chamber, which is discharged from this chamber, for example, either by a manually operated pump or by an electric pump. The chamber is then refilled for the next use. It is also expedient to use such a metering device for the foam dissolver.
- the chamber or the storage location for the bottle is advantageously integrated into the cistern again, as has already been explained above and is illustrated with reference to FIG. 4. The same applies with regard to the outlet opening for the foam dissolver.
- the respective agent can be filled directly into this or a container containing the agent can be inserted.
- the connection to the respective outlet opening directed towards the interior of the toilet can take place as already described.
- the chamber 51 can be closed off by means of a cover accessible from above. A favorable place for the toilet part containing the chamber (s) 51 is the rear toilet area.
- FIG. 6 shows the principle of a further variant of how, for example, the foaming agent can be transferred from its storage chamber or container into the interior of the toilet.
- a foam-forming line 53 corresponding to the foam-forming line 17 leads away from the top of this storage chamber 52, namely upwards.
- a pressure connection 54 which is also located on the top of the chamber, with the surface of the foaming agent
- the chamber 52 contains a dividing wall 55 which extends to near the chamber floor and separates the area subjected to the pressure P from the area connected to the foaming line 53.
- FIG. 7 there is a storage chamber 56 or a storage container for the foaming agent.
- a riser pipe 57 projects into the chamber 56 from above and ends at a distance from the chamber bottom in its area.
- the riser pipe 57 opens into a water pipe 58, which branches off from a main water pipe corresponding to the water pressure pipe 36 in FIG. 4 and is thus connected to the pressurized water network of the respective building.
- a water valve 59 is connected in front of the chamber 56, which normally blocks the water flow.
- the opposite set end of the water pipe 58 forms the outlet opening 60 corresponding to the outlet opening 16 of FIG. 2, which points into the interior of the toilet.
- the pressurized water flows past the riser pipe 57, so that spray-inhibiting substance enters the water pipe as a result of the water pressure.
- the water flowing past soaks up the foaming agent in the riser 57, that is to say the arrangement works in the manner of a water jet pump, so to speak.
- the reservoir 56 has a pressure equalization opening 61 on the upper side.
- a relatively highly concentrated foaming agent can be located in the container 56. Mixing with the water in the water line 58 results in a dilution to the desired extent.
- the foaming agent can be a 30% solution in the container 56, for example, while a 3% solution emerges at the outlet opening 60.
- An acceleration nozzle 63 can also be arranged in the water line 58.
- a foaming device can be arranged upstream of the outlet opening for the foaming agent.
- a foaming sieve 62 which can also be integrated in the outlet opening 60. This is particularly expedient if the outlet for the foaming agent is above the surface of the water volume in the toilet.
- a flushing toilet is mentioned in the present application, it can be all conceivable types of toilet. Of course, this also means complete toilets with glasses, a lid and a cistern, If materials which form a foam together with water are used for foam formation, the water consumption is significantly lower than in conventional flushing toilets due to a high foaming number, even if a flushing process with water follows, since this in turn requires a significantly reduced amount of water. An even greater water saving is achieved when foaming with compressed air and / or with subsequent rinsing with compressed air. This is particularly important in dry areas with water shortages or cold zones, where there is a risk of freezing water pipes and basins.
- a storage container 116 for a foaming agent is arranged on the right-hand side below the rinsing bowl 111 and can be fed via a line 117 to a nozzle-shaped outlet opening 118 which is led through the upper, right edge of the bowl and points obliquely downwards to the valve flap 113.
- the storage container 116 is provided with a release lever 119 for controlling the introduction of foam into the washing bowl 111.
- This release lever 119 can be a pump lever for generating air or water pressure. However, it can also be a release lever for a spray bottle in the storage container 116 or a pump for generating the necessary pressure.
- a further storage container 120 for a foam dissolver which is also equipped with a release lever 121, is arranged on the left-hand side below the washing bowl 111.
- This release lever 121 is also operatively connected to the valve flap 113 in a manner not shown in detail (dashed line) for opening the same.
- the reservoir 120 is via a line 122 with an ⁇ ustrittsö opening 123 connected in the upper left edge of the bowl, the mouth of which also points inclined downwards to the valve flap 113.
- Foam dissolver can in turn be brought to the outlet opening 123.
- the line 122 and the outlet opening 123 additionally serve to supply washing-up liquid, in particular water or compressed air, to the washing-up bowl 111.
- the washing-up water can likewise be accommodated in the storage container 120, or it is supplied via a water line (not shown in more detail).
- the necessary air pressure can be generated in a pump in or on the storage container 120 or can also be supplied via an air pressure line.
- a separate line and a separate outlet opening for the detergent is also possible. If the supply of foam dissolver is not provided, the storage container 120, the line 122 and the outlet opening 123 can also be used for the sole supply of detergent.
- the release lever 119 When in use, the release lever 119 is actuated first, so that the lower region of the washing bowl 111 is filled with foam 124, into which the droppings then fall.
- the trigger lever 121 is actuated, opening the valve flap 113, possibly blowing in foam dissolver and finally detergent, in particular compressed air, so that the manure and the foam or the remaining foam are discharged into the disposal line.
- foam dissolver can take place before the rinsing process, after the rinsing process or not at all. Due to the braking, sliding and cleaning properties of the foam, the manure slides into the disposal line, leaving practically no traces. This simplifies the subsequent rinsing process and, for example, the application of paper to the valve flap 113 can be dispensed with. A toilet brush is also no longer necessary.
- the trigger lever 119 and possibly also the trigger lever 321 can - as already described further above - also be triggered automatically by the user in a manner not shown, via light barriers, door sensors, light switches or the like. This can be done in the manner of triggering the detergent of the light barriers which are more widespread in toilets, so that it is not necessary to go into them in detail.
- the release levers 119 and 121 can be in operative connection with timing elements, not shown, which either open the corresponding valves for a predetermined time or switch on the corresponding pumps for a predetermined time.
- the metering device can also be designed in such a way that a predetermined volume is filled into an intermediate chamber, which volume is discharged from this chamber, for example, either by a manually operated pump or by an electric pump. The chamber is then filled again for the next use.
- the disposal line 115 is designed as an inclined line 151 provided with a connecting piece 150.
- the valve flap 113 When the valve flap 113 is opened, the manure and foam fall onto the lower inner surface of the inclined line 151 and are disposed of in the direction of the downward inclined line direction. If the inclination is very low, however, there is a risk of the inclined line 151 becoming blocked. To prevent this, an outlet opening 152 for water or compressed air is provided in the inclined line 151 above the disposal point.
- compressed air or water is introduced into the inclined line 151 via this outlet opening 152, so that safe disposal is ensured, the foam additionally facilitating the disposal.
- the pressure medium introduced to flush away has an effect
- the flushing by means of the outlet opening 152 can alternatively or additionally be provided in the flushing bowl 111 for flushing. This depends not least of all on the inclination of the side walls of the washing bowl 111, it being possible to dispense with a separate washing of the washing bowl 111 if the inclination is large, since the foam can then be cleaned without further aids due to its sliding properties is sufficient. If the inclined line 151 has an additional large incline or if the vertical disposal line 115 is used, flushing can possibly be dispensed with entirely.
- the cistern 221 includes a metering device 211
- Reservoir 212 is assigned to a foaming agent, the metering device 211 being coupled to the flushing button 227 in such a way that the flushing water has a predetermined amount (see
- the metering device comprises a mechanical pump, as z. B. is known for oil dispensers or the like. This metering device together with the reservoir 212 is expediently fastened detachably in the cistern 221, so that it can be replaced as a whole or can be replaced by a metering device with a filled reservoir.
- the dosing device or the pump assigned to it is coupled mechanically to the flushing button 227.
- the flush button 227 can be pivoted in the cistern about a horizontal axis 215. Otherwise, it is a commercially available cistern mechanism, the description of which can be omitted here.
- an extremely homogeneous, closed-pore foam carpet the height of which is at least twice as high, can be formed with each flushing process, in particular in conjunction with a deep-flush toilet or cascade toilet
- FIG. 11 schematically shows a further embodiment of an arrangement according to the invention for producing a foam carpet of the type mentioned at the beginning, the foam generating device being arranged in glasses and a foam dissolving device being arranged on the toilet lid.
- the glasses 310 shown in FIG. 11 with a hinged lid 311 are provided for mounting on a commercially available toilet bowl, which is not shown for simplicity.
- a foam-producing device arranged below these glasses 310 in a rear spectacle arch 319 can actually be seen sufficiently from the top view and is therefore shown in dashed lines.
- The> foam dissolving device is attached to the underside of the lid 311 and can therefore be seen directly when the lid is open.
- Water connection 312 is connected via a valve 313 to a mixer 314 which has an additional line to a storage container 315 for a foaming agent.
- the valve 313 has a manual actuation lever 316 which also protrudes from behind the glasses 310.
- the valve 313 is connected via the mixer 314 operating in the manner of a water jet pump by means of very short connecting hoses 317, 318 to a spray or spray nozzle 321 directed against a foam sieve arrangement 320.
- the foaming sieve arrangement 320, the storage container 315, the valve 313 and the mixer 314 are accommodated in a rear curvature 319 of the glasses 310.
- the mouth of the foaming sieve arrangement 320 is brought out on the output side via an angle tube 322 to the inner rim of the glasses in such a way that it points radially into the interior of the glasses 310 and thus into the interior of a toilet bowl connected to it.
- a check valve 323 is arranged on the side of the storage container 315, the filling of the foaming agent being carried out via a filling hose extending laterally to the edge of the glasses and the check valve 323. This also serves to ventilate the storage container 315 and prevents liquid from escaping, for example when the glasses 310 are folded up.
- the water connection 312 which in principle can also point downwards or backwards, is connected to a water hose during operation. Controlled by the operating lever 316, water can flow through the mixer 314, wherein concentrated foaming agent is sucked out of the reservoir 315 and mixed. The mixed liquid then flows to the foam sieve assembly 320, where foam is formed that can flow through the angle tube 322 to the toilet bowl.
- the mixer 314 is omitted and the valve 313 is arranged directly between the storage container 315 and the foam sieve arrangement 320.
- a ready mixture of a foaming agent with a dilution liquid is then present in the storage container 315, the storage container 315 being able to be designed in the manner of a spray can or having a pump for generating the required spray pressure.
- a water connection 324 also protruding laterally on the left in the rear area of the cover 311 is connected via a valve 325 attached to the inside of this cover 311 and a mixer 326 to a spray or spray nozzle 327 arranged centrally on the cover 311, the outlet opening of which is at closed lid 311 points vertically down to the toilet bowl.
- the valve 325 again has a manual actuating lever which projects laterally 328 on.
- the mixer 326 is also connected to a storage container 329 for a foam dissolver.
- This storage container 329 is designed to be very flat so that it protrudes as little as possible on the cover 311.
- it can also essentially cover the entire surface of the cover 311 or can be integrated in the cover 311.
- the cover 311 can also be designed as a hollow body for this purpose,
- the technical design for the foam dissolution largely corresponds to that of the foam formation, that is to say the water connection 324 is in turn connected to a water hose, the water flow being controlled via the valve 325.
- Mixer 326 is mixed with a concentrated foam dissolver. The mixed liquid is sprayed from above onto the foam via the spray nozzle 327, which then dissolves.
- a finished foam dissolver under pressure can again be contained in the storage container 329, which is fed directly to the spray or spray can 327 via the valve 325. If the storage container is integrated in the cover 311, the valve 325 and the spray or spray nozzle can be arranged together in the center of the cover 311, so that connecting hoses can be omitted.
- the manually operable valve 313 is replaced by a valve 330, which is provided with a sensing element 331, for automatic control of the foam formation.
- This sensing element 331 extends through an opening in the glasses 310 and is held by the lid 311 in the closed position when the lid is closed.
- a hydraulic timer 332 is connected downstream of the valve 313.
- the valve 330 When the cover 311 is opened, the valve 330 also opens, so that foam formation begins immediately.
- the duration of this foam formation is determined by the timer 332, the holding time of which can also be made adjustable. At the end of this holding time, the further flow of water is blocked by means of the timer 332, so that the foam formation is stopped.
- the hydraulic time control can in principle also be replaced by an electrical control.
- an automatic control for the foam dissolution can also be provided on the cover 311.
- the valve 325 has, with the elimination of the actuating lever 328, a pushbutton which can be actuated when the cover 311 is closed by contacting the spectacles 310, the valve being opened here when the pushbutton is pushed in.
- the end of the foam dissolution is again specified by a timer.
- each foaming sieve 334-336 consists of two individual foaming sieves 334 ', 334'',335', 335 1 ', 336', 336 '', which are held in rings 339-341.
- the first foaming sieve 334 on the input side has a fine mesh structure, as shown in FIG. 14, while the third foaming sieve 336 according to FIG. 13 has a substantially coarser mesh structure or width.
- the mesh size of the second foaming screen 335 lying therebetween lies between them or corresponds to the mesh size of one of the other two foaming screens.
- the spray or spray nozzle In front of the first foaming sieve 334 is the spray or spray nozzle
- Spray jet is designed as a full cone and the entire
- foaming numbers of over 100 can be achieved.
- the number of individual foaming sieves placed one on top of the other, the spacing of the foaming sieves from one another, the mesh sizes and their sequence, etc. can be varied. In principle, however, a foaming sieve with a smaller mesh size must be followed by a foaming sieve with a larger mesh size at a greater distance.
- foaming sieve arrangement described is not limited to toilets.
- foaming sieve arrangements for foam generation are particularly suitable for marking lanes of agricultural vehicles, since the low consumption of foaming agents due to the high foaming number has a cost-effective and noticeable effect there.
- the arrangement of the foam generating device in the rear curvature 319 of the glasses 310 corresponds to the arrangement shown in FIG. 11 and is therefore not described again.
- the foam dissolving device is also arranged in the arch of the glasses according to FIG. 16. The not shown
- Lid therefore no longer contains any components of these devices and therefore remains completely unchanged optically.
- all the components are accommodated in the arch of the glasses and, at least when the glasses are folded down, are not recognizable, there is also no impairment of the design of the glasses.
- the valve 313 forms here together with a further valve 350 a common valve body which is connected to the water connection 312.
- the valve 350 can be operated via a manual operating lever 351.
- the outlet of the valve 350 is connected via a mixer 352 to a preferably rigid line 353, which for the most part is guided in the front curvature 354 of the glasses 310 along the edge of the glasses opening 355.
- Spray and spray nozzles 356-358 are arranged on this line 353 on both sides of the spectacle opening 355 and in the front area, the spray openings of which point downward into the interior of the toilet bowl.
- a reservoir 359 for a foam dissolver is fitted in the front curvature 354 in such a way that it encompasses the spectacle opening 355 while making maximum use of the available space.
- This storage container 359 is connected on the one hand to the mixer 352 and on the other hand also has a check valve 360 which, in terms of arrangement and mode of operation, corresponds to the
- Check valve corresponds to 323.
- the storage container 329 can also be equipped with such a check valve.
- FIG. 16 The mode of operation of the exemplary embodiment shown in FIG. 16 corresponds to the exemplary embodiment according to FIG. 11 with the only difference that for the foam dissolution, not one central spray or spray jet, but three lateral jets are generated.
- an automatic actuation according to FIG. 15 can of course also be provided. 17 shows a particularly advantageous embodiment for foam formation, in which the foam formation takes place with the aid of air.
- a tubular foam outlet channel is provided with two foaming screens 434 and 435, which are held at a predetermined distance from one another by means of a tubular spacer (not shown).
- Each foaming sieve 434 and 435 consists of two individual foaming sieves 434 ', 434' * and 435 ', 435' 'placed against each other, each of which is held in rings not shown in FIG. 17.
- the first foam screen 434 on the inlet side has a fine mesh structure and serves more or less as a brake screen with regard to the air-assisted foam discharge.
- the foaming sieve 435 assigned to the outlet opening 418 is provided with a substantially coarser mesh structure or width. Similar to the embodiment according to FIG. 12, a further foaming sieve can be provided between the foaming sieves 434 and 435.
- the 434 foaming sieve can also have a very fine mesh
- Pre-screen with a mesh size of about 1.5 mm which then serves as the actual brake screen.
- the spray or spray nozzle 421 is arranged in the center, which is an angular nozzle.
- the spray jet 419 is designed as a full cone and covers the entire area of the first foaming screen 434.
- the spray or spray nozzle 421 is supplied via a line 420 through which water mixed with foaming agent is conveyed.
- the formation of foam is promoted very considerably by an air blower 411 which is behind the spray or spray nozzle 421 is arranged and which generates an air flow 412 which is directed towards the outlet opening 418 or in the spraying or spraying direction.
- the air blower 411 corresponds in terms of its performance to a • conventional hair dryer.
- the blower 411 shown in FIG. 17 can also be assigned to the foam sieve arrangement 320 according to FIG. 11 or 16.
- the air inlet opening is identified in FIG. 17 with the reference number 422. With regard to this air inlet opening, the spray or spray nozzle 421 is in the center.
- the foam screens 434, 435 are arranged within the foam formation and outlet channel 433 in such a way that they extend along their circumference from the
- Channel wall are spaced so that a drainage annular gap 416 is formed between the foam screen 434 or 435 and the wall of the outlet channel 433, - (see Fig. 18).
- the foam screens 434, 435 are held within the outlet channel 433 by three spacer elements 413, 414 and 415, which are distributed uniformly over the circumference (see FIG. 18).
- the height of the foam carpet is at least 0.5 cm; only then can effective spray inhibition be achieved. Depending on the toilet construction, a height of the foam carpet of up to 20 cm can also be required. The Production of such a foam carpet is easily possible with the described arrangements or devices.
- Visual space formation and exit channel 333 and 433 about 60 mm.
- the distance between the foaming screens is then approximately 8 mm with a total length of the foam formation and outlet channel 333 or 433 of approximately 4 cm.
- the viscosity of the foam is of essential importance for the rapid distribution of the foam formed in the toilet bowl or introduced into the toilet bowl.
- the preferred viscosity range is mentioned at the beginning.
- the viscosity of the foam is also important for spray inhibition, i.e. H. Dampening of the falling or discharged excrement.
- the metering device for the foaming agent in a lavatory with pressurized water flushing is preferably assigned to the pressurized water flushing line in such a way that when the flushing button is pressed, a metering pump assigned to the metering device is activated at the same time. So that a predetermined amount of foaming agent with the rinse water gets into the toilet bowl to form the desired foam in it.
- the metering device preferably has a mechanical piston pump, the piston being mechanically coupled to the flushing button, so that a predetermined amount of foaming agent is injected into the flushing water line when the flushing button is pressed.
- the metering device can preferably also be assigned to the water supply line 216 opening into this, according to an alternative according to claim 14.
- This arrangement can be retrofitted particularly well into existing toilet systems. Such an arrangement is indicated by broken lines in FIG. 10, 212 the foaming agent reservoir, 217 one from the reservoir 212 connecting line leading to water supply line 216 and
- Drain pipe it may be advantageous to spray the foam dissolver in the drain pipe assigned to each toilet after each flush in order to prevent excessive foam accumulation in the drain pipe.
- a metering pump assigned to the reservoir for foam dissolver is preferably coupled to the flushing button, so that when the flushing button is pressed or released, the metering pump delivers a predetermined amount of foam dissolver into the drain line.
- the metering pressure can be derived from the rinse water line. This also applies to the dosing pump assigned to the foaming agent.
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)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87902085T ATE64968T1 (de) | 1986-04-19 | 1987-04-01 | Geschlossenporiger schaumteppich und vorrichtung zu dessen ausbildung. |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3613339 | 1986-04-19 | ||
DE3613339 | 1986-04-19 | ||
DE3619480 | 1986-06-10 | ||
DE3619480 | 1986-06-10 | ||
DE3625650 | 1986-07-29 | ||
DE3625650 | 1986-07-29 | ||
DE3637728 | 1986-11-05 | ||
DE19863637728 DE3637728A1 (de) | 1986-11-05 | 1986-11-05 | Brille fuer eine klosettschuessel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0265453A1 true EP0265453A1 (de) | 1988-05-04 |
EP0265453B1 EP0265453B1 (de) | 1991-07-03 |
Family
ID=27433576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87902085A Expired - Lifetime EP0265453B1 (de) | 1986-04-19 | 1987-04-01 | Geschlossenporiger Schaumteppich und Vorrichtung zu dessen Ausbildung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0265453B1 (de) |
JP (1) | JPH01500529A (de) |
DE (2) | DE3771166D1 (de) |
WO (1) | WO1987006289A2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3722452A1 (de) * | 1987-07-07 | 1989-01-19 | Luettichau Reichsgraf Von Conr | Verfahren und anordnung zur nutzung eines sitz-klosetts, pissoirs oder dgl. |
DE3908178A1 (de) * | 1989-03-13 | 1990-09-20 | Luettichau Conrad Reichsgraf V | Verfahren und vorrichtung zur abgabe einer vorbestimmten menge eines fliessfaehigen mediums in einen fluessigkeitsbehaelter, oder dergleichen |
US5031253A (en) * | 1990-07-20 | 1991-07-16 | Brendlinger Dirck L | Method of making a sanitary toilet anti-splash and silencer device and article produced thereby |
AUPM294993A0 (en) * | 1993-12-13 | 1994-01-13 | HADDON, Bruce Alexander | A deodorizer |
JPH08128100A (ja) * | 1993-12-21 | 1996-05-21 | Japanic:Kk | 便器の洗浄機構 |
DE29707778U1 (de) * | 1997-04-30 | 1998-09-03 | Bielenberg, Horst-Dieter, 28870 Ottersberg | Dosier-Vorrichtung |
DE19938913B4 (de) * | 1999-08-08 | 2005-03-17 | Frahm, Detlev, Dipl.-Ing. | Vorrichtung zur Geräusch- und Geruchsminderung sowie Spritzschutz auf Toiletten |
DE29919306U1 (de) * | 1999-11-03 | 2001-04-26 | Brockmann Hans | Syphon für Urinale mit Sperrflüssigkeit als Geruchsverschluß |
DE20101412U1 (de) * | 2001-01-26 | 2002-06-06 | Nk Logistik | Hygienemittel für Tiefspül-Toilettenschüsseln |
EP1241302A1 (de) * | 2001-03-15 | 2002-09-18 | Detlev Frahm | Verfahren zur Geräusch- und Geruchsminderung sowie Spritzschutz bei Sanitärbecken |
US7316038B2 (en) * | 2003-03-20 | 2008-01-08 | Zoltan Egeresi | Toilet odor blocking and bidet system with water inline T-adapter |
DE102004005759B4 (de) * | 2004-01-30 | 2010-08-05 | Andre Markwart | Einrichtung zum Dosieren und Zuführen eines Mediums in einen Korpus einer Sanitäreinrichtung |
US7603726B2 (en) * | 2005-12-20 | 2009-10-20 | S.C. Johnson & Son, Inc. | Toilet bowl cleaning and/or deodorizing device |
GB2443520B (en) * | 2006-11-01 | 2009-02-11 | Wen Hsien Kao | Method for forming sanitary foaming in sanitary device |
DE202007006533U1 (de) | 2007-05-04 | 2008-06-12 | Reisacher, Hannes | Schwimmende Sperrschicht |
DE202009009988U1 (de) | 2009-07-21 | 2010-09-23 | Reisacher, Hannes | Schaumprodukt |
US9416524B2 (en) * | 2013-03-05 | 2016-08-16 | David R. Hall | Piston-flush toilet system |
CL2017003102A1 (es) * | 2017-12-05 | 2019-02-22 | Robledo Olavarria Robert | Sistema de estabilización de residuos inodoros y urinarios in situ. |
-
1987
- 1987-04-01 DE DE8787902085T patent/DE3771166D1/de not_active Expired - Fee Related
- 1987-04-01 JP JP62502208A patent/JPH01500529A/ja active Pending
- 1987-04-01 WO PCT/EP1987/000178 patent/WO1987006289A2/de active IP Right Grant
- 1987-04-01 EP EP87902085A patent/EP0265453B1/de not_active Expired - Lifetime
- 1987-04-01 DE DE8714172U patent/DE8714172U1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0265453B1 (de) | 1991-07-03 |
WO1987006289A2 (en) | 1987-10-22 |
DE8714172U1 (de) | 1988-05-26 |
DE3771166D1 (de) | 1991-08-08 |
JPH01500529A (ja) | 1989-02-23 |
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