EP1616058B1 - Aspirating apparatus particularly for toilets - Google Patents
Aspirating apparatus particularly for toilets Download PDFInfo
- Publication number
- EP1616058B1 EP1616058B1 EP04729166A EP04729166A EP1616058B1 EP 1616058 B1 EP1616058 B1 EP 1616058B1 EP 04729166 A EP04729166 A EP 04729166A EP 04729166 A EP04729166 A EP 04729166A EP 1616058 B1 EP1616058 B1 EP 1616058B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- aspirating
- aspirator
- bowl
- valve
- foregoing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000035943 smell Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 210000003608 fece Anatomy 0.000 claims description 10
- 210000002700 urine Anatomy 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 230000008021 deposition Effects 0.000 claims description 6
- 230000001877 deodorizing effect Effects 0.000 description 13
- 238000012546 transfer Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010800 human waste Substances 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
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
- E03D9/04—Special arrangement or operation of ventilating devices
- E03D9/05—Special arrangement or operation of ventilating devices ventilating the bowl
Definitions
- the present invention refers to an aspirating apparatus particularly for toilets.
- the organic smells deriving from a toilet bowl need to be aspirated quickly to avoid inhalation by the user, whereas the time necessary for the user to stay inside the toilet is less than the time necessary for the air change. Furthermore, the disposition of the aspirator over the toilet bowl is so that the aspirated flow forms an air column from the toilet bowl area where the user is sitting right up to the aspirator mouth; in this air column with its bad smells the toilet user is emerged. Even, in these last years in the field of the resident building there is a tendency, motivated by lack of useful space and by cost restraining, to realize houses groups having blind bathrooms or toilets. In this kind of toilets the air change obviously results fundamental.
- the aspirator outlet has to be connected to a chimney vent flue which has to be planned during the construction of the building and thus representing realization costs as well as restraints for the houses groups layout
- a second example of aspirating apparatus for toilets is constituted by traditional aspirating means connected by means of a piping, being rigid in the first section and elastic in the end section, to the posterior part of an ring duct obtained in the seat of a toilet bowl. Said duct along its development is provided with a plurality of openings flowing out on the lower part of the seat in the direction of the bowl cavity.
- the apparatus is activated by a microswitch placed near to the seat which according to the horizontal/vertical seat position attivates or deactivates the aspirating means.
- the main inconvenience recognized in this solution consists in the fact that the aspirating action is exercised in a position rather distant from the deposition area for urine and faeces which are the origin of the bad smells.
- a second inconvenience is recognized in the very laborious cleaning of the openings.
- a third inconvenience is recognized in the fact that the apparatus is deactivated when the toilet bowl is used for urine deposition as the seat is in vertical position.
- a third example of aspirating apparatus is disclosed in JP-A-2003096874. It comprises a deodorizing pipe connecting the back wall of a bowl for water closet to a drain pipe for human waste in order to transfer the smells from the bowl to the drain pipe, a deodorizing fan installed along this deodorizing pipe between said drain pipe and said bowl in order to aspirate smells from said bowl and send it to the drain pipe, a check valve located along the deodorizing pipe upstream the deodorizing fan in order to allow the transfer of the smells only from the bowl to the drain pipe.
- the main drawback of this solution consists in that the deodorizing pipe leads to the back wall of the bowl where the faeces go down towards the deposition area so that the opening of the deodorizing pipe tends to obstruction. This drawback is made worse by the fact that the washing water doesn't wash the inner surface deodorizing pipe.
- a fourth example of aspirating apparatus is disclosed in BE-A-1008248. It comprises a deodorizing pipe connecting a bowl for water closet to a chimney pipe in order to transfer the smells from the bowl outside and a deodorizing fan installed along this deodorizing pipe in order to aspirate smells from said bowl and send it to the chimney pipe.
- the deodorizing pipe defines in the bowl a circular duct equipped with a plurality of aspirating openings all around the bowl turning towards the cavity of the bowl and 40 cm distant from the surface of the water inside said cavity.
- a first drawback of this solution consists in that the aspirating openings are far from the deposit area of the urine and the faeces so that the aspirating action isn't particularly efficacious.
- a second drawback consists in that the aspirating openings on the back wall of the bowl where the faeces go down towards the deposition area tend to obstruction. This drawback is made worse by the fact that the washing water doesn't wash the inner surface deodorizing pipe.
- the aim of the present invention is to provide an aspirating apparatus particularly for toilets which solves the problems evidenced in the prior art types.
- one important object of the present invention is to provide an aspirating apparatus for toilets which limits the inhalation of bad smells by the toilet user.
- a further important object of the present invention is to provide an aspirating apparatus particularly for toilets which allows to reduce the realization costs concerning aspirating plants for toilets in the houses groups.
- An additional object of the present invention is to provide an aspirating apparatus particularly for toilets which allows to optimize, during the projecting stage of the houses groups, the layout of said groups as far as toilet aspirating systems are concerned.
- One of the last objects of the present invention is to provide an aspirating apparatus for toilets which can be produced using known systems and technologies.
- Said apparatus 10 comprises an aspirator 11 in the inlet connected operationally to outlet pipe 12 from the flush box 13 of a toilet bowl 14.
- Said aspirator 11 is operationally in the outlet connected to the outside 14a of the room housing the toilet 14.
- the aspirator 11 is operationally connected in the outlet to the part of the outfall sewer conduit 16 of said toilet bowl 14 situated downstream the siphon 17 of same toilet.
- the apparatus 10 comprises flow interception means 18 situated between said part of the outfall sewer conduit 16 of toilet bowl 14 and the outlet pipe 12 of flush box 13, these means are described in the following.
- Said flow interception means 18 comprises a float check-valve 19, in itself of known type, disposed upstream the aspirator 11. Moreover, in this described embodiment, said flow interception means 18 also comprises a motor-driven valve for the bidirectional flow blocking 20, either butterfly valve or ball valve of known type, placed downstream said aspirator 11 between said antibackflow valve 15 and said part of outfall sewer conduit 16 of toilet bowl 14. Operationally said motor-driven valve for the bidirectional flow blocking 20 is associated in the functioning to the aspirator 11; in practice when the aspirator 11 is switched off the motor-driven valve 20 is closed, and when the aspirator 11 is functioning the motor-driven valve is open. The aspirator 11 is f. ex.
- the apparatus 10 also comprises a flow gauge 22 placed upstream the aspirator 11; in details, said flow gauge 22 is disposed between said float check-valve 19 and the aspirator 11. If wanted, said flow gauge 22 could be placed downstream aspirator 11. Said flow gauge 22 is operationally associated in the functioning with aspirator 11; in practice when the aspirator is functioning and if the flow gauge 22 does not note the passage of air, it means that there is some obstruction in the plant piping. In this case the aspirator 11 interrupts its functioning.
- the float check-valve 19 comprises, in this embodiment, a vibrator (not indicated in the figures) of known type in combination with this valve type 19, which associated with said flow gauge 22 allows to release the float of the valve 19 when, f.ex. in presense of phenomenons like condensation or other, it tends to remain blocked in its own seat packing.
- a flow display of known type such as f.ex. a small swirl inserted into a portion of the piping formed like a loop and equipped with a window upstream the aspirator 11. Said flow display can also be placed downstream the aspirator 11.
- the apparatus 10 also comprises a presence sensor 23, i.e.
- a photocell for an user being near to the toilet bowl 14; said sensor 23 is connected to a time switch (not drawn in the figures) connected with the control of the aspirator 11. If wanted, instead of the presence sensor 23 to actuate the aspirator, it is possible to use a manual push-button control.
- the aspirator 11 together with the flow gauge 22, the antibackflow valve 15, the float check-valve 19 and the motor-driven valve for the bidirectional flow blocking 20 are conveniently housed inside a cabinet 30 disposed on the wall next to the toilet bowl; said cabinet 30 is equipped with a door to allow control of the plant working and for handy and easy maintenance.
- FIG. 4 illustrates a bowl for toilets indicated globally by reference number 114.
- Said bowl 114 is equipped with a couple of aspirating ducts 131 departing from the back wall of said bowl 114 where they are connected by means of pipings 132 and float check-valves or motor-driven valves to the aspirating means (components not illustrated in figure 4).
- Said couple of ducts 131 extends along the lateral walls of said bowl 114 until approximately the area before the outfall 133 of bowl 114.
- the end portion of said couple of ducts 131 is provided with a plurality of openings 134 communicating with the cavity 135 of bowl 114 and turned towards the outfall area 133 where urines and faeces deposit.
- This preferred embodiment of the invention offers the advantage to avoid the necessary interventions of realizing the connection between the flush box pipe and the aspirating ducts of the aspirating means.
- FIG. 5 illustrates a toilet bowl globally indicated by reference number 214.
- Said bowl 214 is equipped with a U-formed aspirating duct 231 obtained in its front wall and side walls.
- Said U-formed duct 231 is connected to the end 232 of the back portion of ring duct 233 for the washing water distribution in the cavity 233 of bowl 214.
- said U-formed duct 231 along the curved portion is equipped with a plurality of openings 234 communicating with cavity 233 and turning towards the outfall 235 area of the bowl 214 where urines and faeces deposit.
- This preferred form of the invention has the advantage that the cleanliness of the U-formed duct 231 and the openings 234 is particularly efficient because executed through each flush dispersing the washing water in the ring duct 233 and in the U-formed aspiration duct 231 and running out by means of the openings 234 in the cavity 233 ending into the outfall 235.
- the U-formed duct can be replaced or act together with one or more ducts provided in the bowl walls as the ducts indicated by reference number 131 of figure 4 connected in the inlet to the ring duct 233 for washing water distribution.
- FIG. 6 illustrates an embodiment of the apparatus outlet globally indicated by reference number 310.
- the aspirating means (not illustrated) are localized inside a wall cabinet 330.
- the aspirating means are connected in the inlet to the ring duct for washing water distribution obtained in the walls of the bowl 314 by means of a float check-valve or motor-driven valve (not illustrated in figure 6) and a piping joining in the cross-connection from bowl 314 to the box containing the washing water.
- the aspirating means operationally are connected in the outlet by means of a piping 331 to the exhalation valve 332 of bowl 314.
- a check-valve 333 of motor-driven type which prevents the return of the smells.
- Said embodiment of the apparatus outlet offers the advantage of avoiding a suitable chimney vent flue to vent the smells into the free air or into the sewer.
- the apparatus will be provided with a check-valve on the duct connecting the the bowl 14, 114, 214 and 314 to the aspirator 11 in order to avoid the that washing water rises till the aspirator 11.
- an aspirating apparatus particularly for toilets permitting to discharge the bad smells in the existing sewer network, avoiding therefore the need of chimney vent flues and allowing evident projection and building advantages.
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- 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)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
Description
- The present invention refers to an aspirating apparatus particularly for toilets.
- It is known that nowadays the time spent on body hygienics takes an unnegligible fraction of the daytime. The places dedicated the daily toilet, such as the toilets, assume a still growing importance regarding comfort and practicability. In this point of view it is most important that the toilet never presents the typical bad smells produced by the toilet users. One of the most used ways to make a toilet nice and acceptable is to have the room ventilated. A very diffused ventilation means is the centrifugal aspirator typically placed over the toilet bowl. However such aspirator is much in use, in this position it is not free from inconveniences. In fact, owing to the particular position, the time necessary to aspirate the air quantity useful for a quick air change is elevated. The organic smells deriving from a toilet bowl, for example, need to be aspirated quickly to avoid inhalation by the user, whereas the time necessary for the user to stay inside the toilet is less than the time necessary for the air change. Furthermore, the disposition of the aspirator over the toilet bowl is so that the aspirated flow forms an air column from the toilet bowl area where the user is sitting right up to the aspirator mouth; in this air column with its bad smells the toilet user is emerged. Even, in these last years in the field of the resident building there is a tendency, motivated by lack of useful space and by cost restraining, to realize houses groups having blind bathrooms or toilets. In this kind of toilets the air change obviously results fundamental. The aspirator outlet has to be connected to a chimney vent flue which has to be planned during the construction of the building and thus representing realization costs as well as restraints for the houses groups layout
- A second example of aspirating apparatus for toilets is constituted by traditional aspirating means connected by means of a piping, being rigid in the first section and elastic in the end section, to the posterior part of an ring duct obtained in the seat of a toilet bowl. Said duct along its development is provided with a plurality of openings flowing out on the lower part of the seat in the direction of the bowl cavity. The apparatus is activated by a microswitch placed near to the seat which according to the horizontal/vertical seat position attivates or deactivates the aspirating means. The main inconvenience recognized in this solution consists in the fact that the aspirating action is exercised in a position rather distant from the deposition area for urine and faeces which are the origin of the bad smells. A second inconvenience is recognized in the very laborious cleaning of the openings. A third inconvenience is recognized in the fact that the apparatus is deactivated when the toilet bowl is used for urine deposition as the seat is in vertical position.
- A third example of aspirating apparatus is disclosed in JP-A-2003096874. It comprises a deodorizing pipe connecting the back wall of a bowl for water closet to a drain pipe for human waste in order to transfer the smells from the bowl to the drain pipe, a deodorizing fan installed along this deodorizing pipe between said drain pipe and said bowl in order to aspirate smells from said bowl and send it to the drain pipe, a check valve located along the deodorizing pipe upstream the deodorizing fan in order to allow the transfer of the smells only from the bowl to the drain pipe. The main drawback of this solution consists in that the deodorizing pipe leads to the back wall of the bowl where the faeces go down towards the deposition area so that the opening of the deodorizing pipe tends to obstruction. This drawback is made worse by the fact that the washing water doesn't wash the inner surface deodorizing pipe.
- A fourth example of aspirating apparatus is disclosed in BE-A-1008248. It comprises a deodorizing pipe connecting a bowl for water closet to a chimney pipe in order to transfer the smells from the bowl outside and a deodorizing fan installed along this deodorizing pipe in order to aspirate smells from said bowl and send it to the chimney pipe. In particular, the deodorizing pipe defines in the bowl a circular duct equipped with a plurality of aspirating openings all around the bowl turning towards the cavity of the bowl and 40 cm distant from the surface of the water inside said cavity. A first drawback of this solution consists in that the aspirating openings are far from the deposit area of the urine and the faeces so that the aspirating action isn't particularly efficacious. A second drawback consists in that the aspirating openings on the back wall of the bowl where the faeces go down towards the deposition area tend to obstruction. This drawback is made worse by the fact that the washing water doesn't wash the inner surface deodorizing pipe.
- The aim of the present invention is to provide an aspirating apparatus particularly for toilets which solves the problems evidenced in the prior art types.
- Within the scope of the above-mentioned aim, one important object of the present invention is to provide an aspirating apparatus for toilets which limits the inhalation of bad smells by the toilet user.
- A further important object of the present invention is to provide an aspirating apparatus particularly for toilets which allows to reduce the realization costs concerning aspirating plants for toilets in the houses groups.
- An additional object of the present invention is to provide an aspirating apparatus particularly for toilets which allows to optimize, during the projecting stage of the houses groups, the layout of said groups as far as toilet aspirating systems are concerned.
- One of the last objects of the present invention is to provide an aspirating apparatus for toilets which can be produced using known systems and technologies.
- This aim, as well as these and other objects appearing in the following, are achieved by an aspirating apparatus particularly for toilets according to claim 1.
- Further features and advantages of this invention will result apparent from the description of the preferred embodiments, illustrated as indication but not as limitation, in the attached drawings, where:
- figure 1 represents a general diagram of the apparatus according to the invention;
- figure 2 represents a schematic view of an embodiment of the apparatus according to the invention;
- figure 3 represents a diagram of an other embodiment of the apparatus according to the invention;
- figure 4 represents a top view plan of detail of a first example of toilet bowl for the apparatus according to the invention;
- figure 5 represents a top view plan of detail of a second example of toilet bowl for the apparatus according to the invention;
- figure 6 represents a partly sectional lateral view of a form of apparatus outlet according to the invention.
- With particular reference to the mentioned figures 1 and 2 the aspirating apparatus for toilets according to the invention is globally indicated by the
reference number 10. Saidapparatus 10 comprises anaspirator 11 in the inlet connected operationally tooutlet pipe 12 from theflush box 13 of atoilet bowl 14. Saidaspirator 11 is operationally in the outlet connected to the outside 14a of the room housing thetoilet 14. In details, in this execution form, theaspirator 11 is operationally connected in the outlet to the part of theoutfall sewer conduit 16 of saidtoilet bowl 14 situated downstream thesiphon 17 of same toilet. Theapparatus 10 comprises flow interception means 18 situated between said part of theoutfall sewer conduit 16 oftoilet bowl 14 and theoutlet pipe 12 offlush box 13, these means are described in the following. Said flow interception means 18 comprises a float check-valve 19, in itself of known type, disposed upstream theaspirator 11. Moreover, in this described embodiment, said flow interception means 18 also comprises a motor-driven valve for the bidirectional flow blocking 20, either butterfly valve or ball valve of known type, placed downstream saidaspirator 11 between saidantibackflow valve 15 and said part ofoutfall sewer conduit 16 oftoilet bowl 14. Operationally said motor-driven valve for thebidirectional flow blocking 20 is associated in the functioning to theaspirator 11; in practice when theaspirator 11 is switched off the motor-drivenvalve 20 is closed, and when theaspirator 11 is functioning the motor-driven valve is open. Theaspirator 11 is f. ex. of the type for saunas and is substantially tight being associated to anantibackflow valve 15 of mechanical type, placed downstream the same aspirator and particularly in correspondence with its outlet; saidantibackflow valve 15 is part of said interception means 18. Theapparatus 10 also comprises aflow gauge 22 placed upstream theaspirator 11; in details, saidflow gauge 22 is disposed between said float check-valve 19 and theaspirator 11. If wanted, saidflow gauge 22 could be placeddownstream aspirator 11. Saidflow gauge 22 is operationally associated in the functioning withaspirator 11; in practice when the aspirator is functioning and if theflow gauge 22 does not note the passage of air, it means that there is some obstruction in the plant piping. In this case theaspirator 11 interrupts its functioning. For this reason the float check-valve 19 comprises, in this embodiment, a vibrator (not indicated in the figures) of known type in combination with thisvalve type 19, which associated with saidflow gauge 22 allows to release the float of thevalve 19 when, f.ex. in presense of phenomenons like condensation or other, it tends to remain blocked in its own seat packing. Together with the flow gauge it is possible to associate a flow display of known type (also not indicated in the figures) such as f.ex. a small swirl inserted into a portion of the piping formed like a loop and equipped with a window upstream theaspirator 11. Said flow display can also be placed downstream theaspirator 11. Theapparatus 10 also comprises apresence sensor 23, i.e. a photocell, for an user being near to thetoilet bowl 14; saidsensor 23 is connected to a time switch (not drawn in the figures) connected with the control of theaspirator 11. If wanted, instead of thepresence sensor 23 to actuate the aspirator, it is possible to use a manual push-button control. Theaspirator 11 together with theflow gauge 22, theantibackflow valve 15, the float check-valve 19 and the motor-driven valve for thebidirectional flow blocking 20 are conveniently housed inside acabinet 30 disposed on the wall next to the toilet bowl; saidcabinet 30 is equipped with a door to allow control of the plant working and for handy and easy maintenance. - Figure 4 illustrates a bowl for toilets indicated globally by
reference number 114. Saidbowl 114 is equipped with a couple of aspiratingducts 131 departing from the back wall of saidbowl 114 where they are connected by means ofpipings 132 and float check-valves or motor-driven valves to the aspirating means (components not illustrated in figure 4). Said couple ofducts 131 extends along the lateral walls of saidbowl 114 until approximately the area before the outfall 133 ofbowl 114. The end portion of said couple ofducts 131 is provided with a plurality ofopenings 134 comunicating with thecavity 135 ofbowl 114 and turned towards the outfall area 133 where urines and faeces deposit. This preferred embodiment of the invention offers the advantage to avoid the necessary interventions of realizing the connection between the flush box pipe and the aspirating ducts of the aspirating means. - Figure 5 illustrates a toilet bowl globally indicated by
reference number 214. Saidbowl 214 is equipped with aU-formed aspirating duct 231 obtained in its front wall and side walls. SaidU-formed duct 231 is connected to theend 232 of the back portion ofring duct 233 for the washing water distribution in thecavity 233 ofbowl 214. Finally, saidU-formed duct 231 along the curved portion is equipped with a plurality ofopenings 234 comunicating withcavity 233 and turning towards theoutfall 235 area of thebowl 214 where urines and faeces deposit. This preferred form of the invention has the advantage that the cleanliness of theU-formed duct 231 and theopenings 234 is particularly efficient because executed through each flush dispersing the washing water in thering duct 233 and in theU-formed aspiration duct 231 and running out by means of theopenings 234 in thecavity 233 ending into theoutfall 235. - According to an embodiment not illustrated in the execution of figure 5, the U-formed duct can be replaced or act together with one or more ducts provided in the bowl walls as the ducts indicated by
reference number 131 of figure 4 connected in the inlet to thering duct 233 for washing water distribution. - Figure 6 illustrates an embodiment of the apparatus outlet globally indicated by
reference number 310. As shown in this figure the aspirating means (not illustrated) are localized inside awall cabinet 330. Operationally the aspirating means are connected in the inlet to the ring duct for washing water distribution obtained in the walls of thebowl 314 by means of a float check-valve or motor-driven valve (not illustrated in figure 6) and a piping joining in the cross-connection frombowl 314 to the box containing the washing water. The aspirating means operationally are connected in the outlet by means of a piping 331 to theexhalation valve 332 ofbowl 314. Along the piping 331 which connects the aspiration means and theexhalation valve 332 is positioned a check-valve 333 of motor-driven type, which prevents the return of the smells. Said embodiment of the apparatus outlet offers the advantage of avoiding a suitable chimney vent flue to vent the smells into the free air or into the sewer. - Where the
aspirator 11 is located under theflush box 12 the apparatus will be provided with a check-valve on the duct connecting the thebowl aspirator 11 in order to avoid the that washing water rises till theaspirator 11. - The working of the present invention is as follows:
- The user approaches the
toilet 14 and theaspirator 11 is activated by the signal coming from thepresence sensor 23. To the starting ofaspirator 11 corresponds an opening signal for the motor-driven valve for bidirectional flow blocking 20. The float check-valve 19 allows passing of the air fromoutlet pipe 12 offlush box 13 oftoilet bowl 14 to the aspirator 11: the airstream lifts the float ball and open the passage; without the airstream the float ball remains in its closing position in its proper seat avoiding the passage in opposite direction of the bad smells remaining trapped in the part between the motor-driven valve for bidirectional flow blocking 20 and the float check-valve 19. The motor-drivenvalve 20 isolates completelyapparatus 10 from the sewer network downstream the toilet bowl siphon 17 during the non-operation step. When a certain time has passed from flush actioning the aspirator will stop working and the motor-drivenvalve 20 will be closed. - In an other version of said apparatus 10 (not evidenced in the figures) said one-
way float valve 19 can be replaced by a motor-driven three-way valve of known type. Said motor-driven three-way valve can assume two different conditions: a first condition defined "0" with theaspirator 11 isolated from theoutlet pipe 12 but operationally connected with a place outsidetoilet 14, and a second condition (of aspiration) defined "1" with saidaspirator 11 connected only with saidoutlet pipe 12. The reason for using this three-way valve is to reduce the residual humid air inside the aspirator during the non-operation steps; in fact during ventilator inactivity, if the float check-valve 19 is present, the previously aspirated air will remain blocked inside the circuit between the motor-drivenvalve 20 and thevalve 19. The humidity of such blocked air will dammage theaspirator 11 as well as the other circuit components. With the motor-driven three-way valve, after the aspiration from the toilet bowl (three-way valve in position "1") commutating the three-way valve in position "0", the aspirator will recall, for a certain piece of time, air from outside the plant replacing it with the humidity saturated air; then theaspirator 11 will switch off, the motor-driven valve for bidirectional flow blocking 20 will close and the three-way valve must be left in position "0"; when the aspiration from the toilet bowl is starting the three-way valve is commutated in position "1". A basic embodiment of the invention, shown in the drawing of figure 3, comprises theaspirator 11, theantibackflow valve 15 which can be not perfectly tight, and the float check-valve 19 blocking the residual bad smells coming from the sewer downstream the siphon 17 oftoilet bowl 14. An alternative embodiment, not shown in the figures, is composed of theaspirator 10 which aspirates from saidoutlet pipe 12 offlush box 13 oftoilet bowl 14 and releases to the outside directly in the atmosphere by means of a chimney vent flue and from the flow interception means 18 such as for ex. theantibackflow valve 15. Other embodiments of the aparatus could comprise automatized comands for flush box discharge combined with thepresence sensor 23. - In practice it has been observed that the described apparatus according to the invention solves the problems evidenced in the known aspirating apparatus for toilets; specially with the present invention it is provided an aspirating apparatus particularly for toilets which permits to aspirate from an area of the toilet bowl very next to the origin of the bad smells.
- Furthermore, with the present invention it is provided an aspirating apparatus particularly for toilets permitting to discharge the bad smells in the existing sewer network, avoiding therefore the need of chimney vent flues and allowing evident projection and building advantages.
- The invention conceived in this way is susceptible of numerous modifications and variants, all of them entering into the ambits of the present invention concept; furthermore all details might be substituted by other technically equivalent elements.
- In practise, the materials used, on the condition that they are compatible with this specific use, as well as the dimensions might be whichever possible within the limits of the needs and the state of the art.
Claims (14)
- Aspirating apparatus particularly for toilets comprising aspirating means (11) comprising an aspirator with an inlet and an outlet, the inlet being operationally connected to formed aspirating ducts (131, 231) provided in the walls of a toilet bowl (14, 114, 214, 314) of the aspirating apparatus for use in bathrooms and toilets, the aspirating ducts leading into the cavity inside (135, 233) defined by said walls near to the deposition area of urine and faeces in said cavity (135, 233) in order to allow aspiration of the smells emitted by said urine and faeces next to the deposition area, the outlet of the aspirator intended to be connected operationally to a different place than the room housing said toilet bowl (14, 114, 214, 314), characterized in that the inlet of the aspirator is operationally connected to the outlet pipe (12) of the flush box (13) of the aspirating apparatus, whereby said outlet pipe leads in a ring duct (233) for the washing water distribution in said cavity (233) of said bowl (214); said aspirating ducts are provided in the front wall and side walls of said bowl (214) and are connected to the ends (232) of the back portion of said ring duct (233), said ducts (131, 231) along the curved portion being equipped with a plurality of aspirating openings (234) communicating with said cavity (233) and turning towards the outfall area (235) of said bowl (214) where urine and faeces deposit.
- Aspirating apparatus, according to claim 1, characterized in that said aspirating ducts are formed by one or more ducts (131) departing from the back wall of said bowl (114) where they are connected by means of pipings 132 to said aspirating means; said couple of ducts (131) extending along the lateral walls of said bowl until approximately the area before the outfall (133) of said bowl (114), as the final portion of said couple of ducts (131) is provided with a plurality of aspirating openings (134) comunicating with said cavity (135) and turning towards said outfall area (133) where urines and faeces deposit.
- Aspirating appartus, according to the foregoing claim, characterized in that it comprises an antibackflow valve (15) placed downstream said aspirator (11).
- Aspirating apparatus, according to one or more of the foregoing claims, characterized in that said aspirator (11) is operationally connected to the part of the outfall sewer conduit (18) of said toilet bowl (14) placed downstream the siphon (17) of same toilet bowl (14), said apparatus (10) comprises flow interception means (18) disposed between said part of the outfall sewer conduit (16) of said toilet bowl (14) and the outlet pipe (12) of flush box (13).
- Aspirating apparatus, according to the foregoing claim; characterized in that said flow interception means (18) comprises a float check-valve (19) placed upstream said aspirator (11).
- Aspirating apparatus, according to one or more of the foregoing claims, characterized in that it comprises a flow gauge (22) placed downstream, or upstream, said aspirator (11); said flow gauge (22) is operationally connected to the aspirator (11).
- Aspirating apparatus, according to claims 5 and 6, characterized in that said float check-valve (19) comprises a vibrator, associated with said flow gauge (22), to release a float ball when it is blocked in its proper seat.
- Aspirating apparatus, according to claim 4, characterized in that said flow interception means (18) comprises a motor-driven three-way valve placed upstream said aspirator (11).
- Aspirating apparatus, according to one or more of the foregoing claims, characterized in that said flow interception means (18) comprises a motor-driven valve for the bidirectional flow blocking (20) placed downstream said aspirator (11).
- Aspirating apparatus, according to one or more of the foregoing claims, characterized in that it comprises a flow display placed downstream, or upstream, said aspirator (11); said flow display is operationally connected to said aspirator (11).
- Aspirating apparatus, according to one or more of the foregoing claims, characterized in that it comprises a presence sensor (23) for an user being next to said toilet bowl (14).
- Aspirating apparatus, according to the foregoing claim, characterized in that said presence sensor (23) is composed of a photocell operationally connected to a time switch and to the control of said aspirator (11).
- Aspirating apparatus, according to claim 4, characterized in that said flow interception means (18) comprises an antibackflow valve (15) placed downstream said aspirator (11).
- Aspirating apparatus, according to one or more of the foregoing claims, characterized in that said aspirating means are connected by means of a piping (331) to the exhalation valve (332) of said bowl (314).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITPD20030082 ITPD20030082A1 (en) | 2003-04-24 | 2003-04-24 | SUCTION PLANT FOR SANITARY PLANTS. |
ITPD20030149 ITPD20030149A1 (en) | 2003-07-02 | 2003-07-02 | SUCTION SYSTEM PARTICULARLY FOR HYGIENIC SERVICES |
PCT/IB2004/001232 WO2004094737A1 (en) | 2003-04-24 | 2004-04-23 | Aspirating apparatus particularly for toilets |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1616058A1 EP1616058A1 (en) | 2006-01-18 |
EP1616058B1 true EP1616058B1 (en) | 2007-05-30 |
Family
ID=33312427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04729166A Expired - Lifetime EP1616058B1 (en) | 2003-04-24 | 2004-04-23 | Aspirating apparatus particularly for toilets |
Country Status (9)
Country | Link |
---|---|
US (1) | US20060213001A1 (en) |
EP (1) | EP1616058B1 (en) |
AT (1) | ATE363567T1 (en) |
AU (1) | AU2004233310A1 (en) |
CA (1) | CA2522570A1 (en) |
DE (1) | DE602004006737T2 (en) |
ES (1) | ES2288257T3 (en) |
NZ (1) | NZ543732A (en) |
WO (1) | WO2004094737A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8151377B2 (en) * | 2007-08-12 | 2012-04-10 | Ronald Ferrell Pickle | Odorless and overflow-less toilet system |
ITMO20090120A1 (en) * | 2009-05-08 | 2010-11-09 | Giuseppe Pellati | HEALTH SYSTEM FOR THE COLLECTION AND DISPOSAL OF PHYSOLOGICAL FUNCTIONS |
US9809965B1 (en) | 2016-05-11 | 2017-11-07 | Robert Trudel | Toilet having a built-in odor evacuating system |
DE102018103466A1 (en) * | 2018-02-15 | 2019-08-22 | Dact Beteiligung Ag | Suction |
IT202000003691U1 (en) * | 2020-06-25 | 2020-09-25 | Ibg Srl | IMPROVED WC EQUIPPED WITH ASPIRATOR |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3332089A (en) * | 1964-06-08 | 1967-07-25 | Wilton Herb | Water closet ventilating means |
US3568216A (en) * | 1969-04-04 | 1971-03-09 | Joe M Valdespino | Toilet flushing and venting mechanism |
FR2067610A5 (en) * | 1969-11-07 | 1971-08-20 | Terrier Serge | |
US4007498A (en) * | 1976-01-05 | 1977-02-15 | Pearson Raymond H | Toilet ventilator including overflow-responsive sensor |
IT1220775B (en) * | 1988-05-16 | 1990-06-21 | Ideal Standard Spa | TOILET POT WITH DEVICE FOR THE EVACUATION OF BAD ODORS |
US4993083A (en) * | 1990-06-18 | 1991-02-19 | Lemieux Charles E | Ventilated toilet |
US5226454A (en) * | 1992-05-21 | 1993-07-13 | Hydrotech Chemical Corporation | DC motor actuated flow diversion valve |
BE1008248A6 (en) * | 1994-04-19 | 1996-02-27 | Scire Scappuzzo Mario | Combination toilet, bidet, deodorant, mirror, seat (W.B.A.M.F.) |
JPH0988155A (en) * | 1995-09-21 | 1997-03-31 | Masayoshi Houshiyou | Offensive smell discharge device of flush toilet bowl |
IT248774Y1 (en) * | 1999-06-16 | 2003-02-12 | Rocco Sagarese | WATER WITH BUILT-IN ASPIRATOR |
IT1314403B1 (en) * | 2000-05-05 | 2002-12-13 | Renato Canteri | ROOM AIR INTAKE DEVICE FOR PLACES USED FOR THE COLLOCATION OF TOILET SERVICES. |
DE20008281U1 (en) * | 2000-05-08 | 2001-03-08 | Gistl Egmont | Air extraction device for toilet bowls |
US20020148035A1 (en) * | 2001-04-16 | 2002-10-17 | Kang Tae C. | Odor removing toilet seat system |
JP2003096874A (en) * | 2001-09-25 | 2003-04-03 | Takeshi Maruhara | Deodorizing device for water closet |
-
2004
- 2004-04-23 NZ NZ543732A patent/NZ543732A/en not_active IP Right Cessation
- 2004-04-23 AU AU2004233310A patent/AU2004233310A1/en not_active Abandoned
- 2004-04-23 AT AT04729166T patent/ATE363567T1/en active
- 2004-04-23 EP EP04729166A patent/EP1616058B1/en not_active Expired - Lifetime
- 2004-04-23 US US10/553,835 patent/US20060213001A1/en not_active Abandoned
- 2004-04-23 ES ES04729166T patent/ES2288257T3/en not_active Expired - Lifetime
- 2004-04-23 DE DE602004006737T patent/DE602004006737T2/en not_active Expired - Lifetime
- 2004-04-23 WO PCT/IB2004/001232 patent/WO2004094737A1/en active IP Right Grant
- 2004-04-23 CA CA002522570A patent/CA2522570A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU2004233310A1 (en) | 2004-11-04 |
ES2288257T3 (en) | 2008-01-01 |
ATE363567T1 (en) | 2007-06-15 |
NZ543732A (en) | 2008-02-29 |
EP1616058A1 (en) | 2006-01-18 |
CA2522570A1 (en) | 2004-11-04 |
US20060213001A1 (en) | 2006-09-28 |
DE602004006737T2 (en) | 2008-01-31 |
WO2004094737A1 (en) | 2004-11-04 |
DE602004006737D1 (en) | 2007-07-12 |
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