EP0681631B1 - Siphon trap and toilet bowl fitted with the same - Google Patents
Siphon trap and toilet bowl fitted with the same Download PDFInfo
- Publication number
- EP0681631B1 EP0681631B1 EP94905747A EP94905747A EP0681631B1 EP 0681631 B1 EP0681631 B1 EP 0681631B1 EP 94905747 A EP94905747 A EP 94905747A EP 94905747 A EP94905747 A EP 94905747A EP 0681631 B1 EP0681631 B1 EP 0681631B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- membrane
- trap
- forming device
- orifice
- downstream
- 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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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/28—Odour seals
- E03C1/298—Odour seals consisting only of non-return valve
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/18—Siphons
Definitions
- the present invention relates to a device forming a siphon intended in particular to be inserted between two sections of a water drainage pipe worn out.
- siphons having a body having an inlet or upstream port communicating with the upstream section of the pipeline and an outlet or downstream orifice communicating with the downstream section of the pipeline.
- such a known siphon consists of a hollow body delimiting an ascending tubular part then a downward tubular part joining the orifice of exit. At the junction of the two parts tubular, the body defines an overflow edge located above the inlet.
- tubular part upward of the siphon constitutes means of retention a fluid cap preventing bad smells appearing in the downstream section cannot be transmitted to the upstream section.
- the wastewater is discharged to using a relatively large stream of clean water from so that at the end of evacuation the fluid is practically consisting entirely of clean water.
- Some devices allow time current to use only five liters of water then that before we used seven liters, and even eight liters of water.
- the cleaning is considered to be correct if it meets standard NF-D-126201 which defines the methods test and specifications to assess the suitability for use of toilet bowls.
- GB-A-1 063 711 provides a siphon consisting of a flexible pipe, U-shaped seen from above, the upper part formed by the curve of the U can be lowered to allow evacuation by gravity.
- DE-U-92 02 878 also shows a walled siphon deformable whose downstream end can slide vertically in the drain pipe.
- the present invention therefore aims to provide a device forming a new type of siphon, the water renewal during drainage worn by a load of clean water is satisfactory and allow its use with a toilet bowl.
- the present invention relates to a siphon device having a hollow body having an upstream orifice located in the part lower body and communicating with a stretch upstream of a fluid evacuation pipe, retaining means defining an overflow edge and cooperating with part of the upstream section to retain a quantity of fluid forming a fluid plug at the end outlet, and a downstream orifice located in the part lower body and communicating with a downstream section of the drainage pipe, characterized in that the retaining means can be moved between a active position and a retracted position, the device comprising means of displacement controlled means between the two positions.
- the present invention also relates to a toilet bowl connected to a forming device siphon according to the present invention.
- Figure 1 there is shown a device 2 forming a siphon according to the present invention.
- the device 2 comprises a delimited hollow body by a front wall 4, a longitudinal wall 6 having in cross section the shape of a U delimiting two longitudinal walls 6a, 6b and a shaped wall 6c rounded delimiting the bottom of the U.
- the body has also a rear wall 8 and a cover 10.
- the front wall 4 has an inlet or upstream orifice 12 provided with coupling means 14 communicating with an upstream section of pipeline (not represented).
- the upstream orifice 12 is arranged in the part bottom of the front wall 4.
- the rear wall 8 has an outlet orifice or downstream port 16 located in its lower part (see figures 2 and 5).
- the downstream orifice 16 is provided with a connecting element 18 communicating with a section downstream of the evacuation pipe (not shown).
- the body 4 comprises between upstream port 12 and downstream port 16 of retaining means consisting of a membrane 20 elastically deformable.
- the membrane 20 In the undeformed state, the membrane 20 has a shape U-shaped cross section extending along the longitudinal wall 6 of the body of the device 2.
- the membrane 20 has at the free ends of the U two edges 20a and 20b fixed, for example by gluing, respectively in the upper part of the wall 6, near the edges 6a and 6b thereof.
- the membrane 20 has an upstream edge 21 which is folded over the outside of the wall 6 of the body and fixed on the latter via the wall before 4.
- the membrane 20 also has a downstream edge 22 (see Figures 2 and 5) having the shape of a U located in a plane perpendicular to the direction of flow and near the outlet 16.
- the distance from the upstream edge to the downstream edge measured along the bottom of the U-shaped wall 6, when the membrane is not deformed is shorter than the vertical dimension of the front wall 4 of the body of the device 2, but larger than the diameter of the inlet 12.
- the distance from the edge upstream of the downstream edge at the edges 20a and 20b can be different from that measured at the bottom of the U, the downstream edge 22 then not being in a plane vertical.
- the downstream orifice 16 is located opposite inside the U formed by the membrane 20 when the membrane is in the non-deformed state (see Figure 2).
- inlet orifice upstream port 12 is always located inside the U formed by the upstream edge of the membrane 20.
- the body of the device 2 according to the present invention also comprises means of displacement retaining means which consist of means of deformation of the membrane 20.
- the deformation means comprise a rod or pallet 24 located inside the body between the membrane 20 and wall 6c forming the bottom of the body.
- the rod 24 is fixed on a shaft 26 extending perpendicular to the direction of flow of the fluid.
- the shaft 26 is rotatably mounted around its axis by means of a bearing (not shown) arranged in a hole (not shown) in the wall 6c and has one end protruding outside the body.
- the shaft 26 may have its other end mounted in another bearing arranged in the hollow body of the device 2.
- a handle is attached to the end of the shaft 26 projecting outside the body of the device 2, and constitutes means for actuating the rod 24 by manual rotation of the shaft 26.
- a spring 30 is arranged between the lever 28 and an external point of the body of the device 2 so to recall the lever 28 to the position in which the rod 24 deforms the membrane 20, position shown in broken lines in Figure 6.
- the rod 24 extends perpendicular to the axis of the upstream orifice 12, roughly parallel to the front wall 4 as shown in FIG. 3, and deforms the membrane 20.
- the diaphragm 20 When the rod 24 is in the latter position, the diaphragm 20 is deformed so that it has a fold 20c (see Figures 3 and 4) extending roughly in a vertical plane passing through the axis of the upstream orifice 12, the fold being slightly inclined to the vertical.
- the edge 22 of the membrane extends approximately in a horizontal plane which is located above the orifice from the fact that the length of the edges 20a and 20b of the membrane is greater than the diameter of the orifice edge 12 the edge 22 then constituting an edge of overflow.
- the rod 24 When the lever 28 is in the position shown in solid lines in Figure 6, the rod 24 extends along the bottom of the longitudinal wall 6 U-shaped towards downstream port 16 as shown in Figure 5. The length of the rod 24 is longer small than the vertical dimension of the front wall 4 the body of the device 2.
- Such a toilet bowl 40 equipped with a device 2 according to the invention is shown in the Figure 7. It has a water inlet 42 under pressure opening into the bowl 44 itself and comprising a timed valve 46 fitted with a button pusher 48.
- the inlet 42 of water under pressure opens into an O-ring 50 arranged in the upper part of bowl 44 (see also Figure 8), the O-ring 50 being pierced with holes 52 regularly spaced at its periphery.
- An annular cover 54 protects and hides the part top of the O-ring 50.
- a control button 56 is arranged at the rear of the bowl to activate the timed valve 46.
- control button 56 is integral with a rod 58 slidably mounted in a vertical tubular part 60.
- Part 62 extends above the push button 48 of the timed valve 46.
- a spring 64 is arranged between the bottom of the tubular part 60 and part 62 so as to recall the latter to a position distant from the push button 48 as shown in FIG. 7.
- Rod 58 has one end projecting downward from the bottom of the tubular part 60, this end being mechanically connected to handle 28 of so that a downward translation of the rod 58 is transformed into rotation of the lever 28 around of the axis of the shaft 26.
- This mechanical connection can be of any type currently known in the processing technique of movements.
- this link mechanical can be hidden at the level of its part mechanical can be hidden at the level of its part lower by the bowl and its upper part by a chest comprising a compartment intended for receive for example paper or products from cleaning.
- the controller 28 is actuated in the direction of the arrow in FIG. 7, the means for retaining a fluid plug 70 of the device 2 according to the invention then being retracted (see Figure 5) if the plug 70 flowing directly in the downstream section.
- the spring 30, associated with the spring 64 recalls practically immediately the lever 28 towards its position in which the membrane 20 is deformed and constitutes means for retaining a plug such as the plug 70, the protruding part 62 then moving away from the button pusher 48 and releasing it. This then returns to its closed position of valve 46. This return takes place over a predetermined time interval of so that a predetermined amount of clean water has been supplied through valve 46.
- This predetermined amount of water cleans the walls of the bowl as well as the membrane but is only used practically not to evacuate the cap 70, this one being already evacuated, which allows to have a quantity reduced predetermined water.
- the toilet bowl can be a usual toilet bowl whose order is adequately connected to the handle 28, or that the shape of the hollow body may be different from that described.
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Ladders (AREA)
- Non-Flushing Toilets (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Abstract
Description
La présente invention concerne un dispositif formant siphon destiné notamment à être inséré entre deux tronçons d'une canalisation d'évacuation d'eaux usées.The present invention relates to a device forming a siphon intended in particular to be inserted between two sections of a water drainage pipe worn out.
On connaÃt de tels siphons ayant un corps comportant un orifice d'entrée ou orifice amont communiquant avec le tronçon amont de la canalisation et un orifice de sortie ou orifice aval communiquant avec le tronçon aval de la canalisation.We know such siphons having a body having an inlet or upstream port communicating with the upstream section of the pipeline and an outlet or downstream orifice communicating with the downstream section of the pipeline.
Entre l'orifice d'entrée et l'orifice de sortie, un tel siphon connu est constitué d'un corps creux délimitant une partie tubulaire ascendante puis une partie tubulaire descendante rejoignant l'orifice de sortie. Au niveau de la jonction des deux parties tubulaires, le corps délimite un bord de débordement situé au-dessus de l'orifice d'entrée.Between the inlet and the outlet, such a known siphon consists of a hollow body delimiting an ascending tubular part then a downward tubular part joining the orifice of exit. At the junction of the two parts tubular, the body defines an overflow edge located above the inlet.
Lors de l'écoulement d'un fluide à travers le corps, ce dernier doit passer au-dessus du bord de débordement pour atteindre l'orifice de sortie.When a fluid flows through the body, the latter must pass over the edge of overflow to reach the outlet.
En conséquence, lorsque le tronçon amont s'étend jusqu'à un niveau situé au-dessus du bord de débordement, comme cela est le cas d'une canalisation d'évacuation d'eaux usées, une certaine quantité de fluide est retenue en fin d'écoulement dans la partie tubulaire ascendante du siphon et dans la partie du tronçon amont située en dessous du niveau du bord de débordement.Consequently, when the upstream section extends up to a level above the edge of overflow, as is the case with a pipeline sewage disposal system, a certain amount of fluid is retained at the end of flow in the part upward tubular of the siphon and in the part of the upstream section located below the level of the edge of overflow.
En d'autres termes, la partie tubulaire ascendante du siphon constitue des moyens de retenue d'un bouchon fluide évitant que des mauvaises odeurs apparaissant dans le tronçon aval ne puissent être transmises jusque dans le tronçon amont.In other words, the tubular part upward of the siphon constitutes means of retention a fluid cap preventing bad smells appearing in the downstream section cannot be transmitted to the upstream section.
Il est évident que si le bouchon de fluide comporte lui-même des éléments malodorants, de mauvaises odeurs peuvent se propager dans le tronçon amont.Obviously if the fluid plug itself contains smelly elements, bad odors can spread in the stretch upstream.
Pour éviter un tel inconvénient il est donc nécessaire que ce bouchon soit constitué de fluide propre.To avoid such a disadvantage it is therefore this plug must be made of fluid clean.
A cet effet, les eaux usées sont évacuées à l'aide d'un flux d'eau propre relativement important de telle façon qu'en fin d'évacuation le fluide soit pratiquement constitué uniquement d'eau propre.For this purpose, the wastewater is discharged to using a relatively large stream of clean water from so that at the end of evacuation the fluid is practically consisting entirely of clean water.
Des raisons écologiques, climatiques et économiques font qu'actuellement on cherche à diminuer la consommation d'eau propre et qu'en conséquence une consommation intempestive d'eau propre pour évacuer les eaux usées devient un problème important.Ecological, climatic and economic reasons that we are currently trying to reduce consumption of clean water and therefore untimely consumption of clean water to evacuate sewage becomes an important problem.
C'est pourquoi ces dernières années on a cherché à diminuer la quantité d'eau utilisée lors du nettoyage d'une cuvette de toilettes munie d'un siphon.This is why in recent years we have sought reduce the amount of water used during cleaning a toilet bowl fitted with a siphon.
Certains dispositifs permettent à l'heure actuelle de n'utiliser que cinq litres d'eau alors qu'auparavant on utilisait sept litres, et même huit litres d'eau.Some devices allow time current to use only five liters of water then that before we used seven liters, and even eight liters of water.
Cette quantité d'eau nécessaire doit cependant être suffisante pour permettre un nettoyage correct de la cuvette et du siphon.However, this necessary amount of water must be sufficient to allow proper cleaning of the bowl and the siphon.
On considère que le nettoyage est correct s'il répond à la norme NF-D-126201 qui définit les méthodes d'essai et les spécifications permettant d'apprécier l'aptitude à l'emploi des cuvettes de toilettes.The cleaning is considered to be correct if it meets standard NF-D-126201 which defines the methods test and specifications to assess the suitability for use of toilet bowls.
Cette norme prend en considération quatre critères qui sont :
- l'efficacité de l'évacuation,
- le renouvellement de l'eau du siphon,
- la qualité du rinçage des parois,
- la projection hors de la cuvette.
- the efficiency of the evacuation,
- the renewal of the siphon water,
- the quality of the rinsing of the walls,
- projection out of the bowl.
Il s'avère que lorsque des essais sont faits avec une quantité diminuée d'eau de nettoyage, les cuvettes essayées ne répondent pas à la norme, le critère de renouvellement de l'eau du siphon n'étant pas satisfait.It turns out that when tests are done with a reduced amount of cleaning water, the bowls tested do not meet the standard, the criteria for renewal of the siphon water not being satisfied.
En d'autres termes, le siphon habituel utilisé avec de telles cuvettes constitue un point critique pour la diminution de quantité d'eau nécessaire au nettoyage d'une cuvette de toilettes.In other words, the usual siphon used with such bowls is a critical point for the less water needed for cleaning a toilet bowl.
En conséquence, il existe un besoin de siphon dont le renouvellement du fluide formant bouchon soit suffisant et permettant de diminuer la quantité d'eau de nettoyage d'une cuvette de toilettes tout en respectant la norme NF-D-12-201.Consequently, there is a need for a siphon which the renewal of the fluid forming the plug either sufficient and making it possible to reduce the amount of water from cleaning a toilet bowl while respecting NF-D-12-201 standard.
GB-A-1 063 711 prévoit un siphon constitué d'un tuyau flexible, en forme de U vu de dessus, dont la partie supérieure constituée par la courbe du U peut être abaissée pour permettre une évacuation par gravité.GB-A-1 063 711 provides a siphon consisting of a flexible pipe, U-shaped seen from above, the upper part formed by the curve of the U can be lowered to allow evacuation by gravity.
DE-U-92 02 878 montre également un siphon à paroi déformable dont l'extrémité aval peut coulisser verticalement dans le tuyau d'évacuation.DE-U-92 02 878 also shows a walled siphon deformable whose downstream end can slide vertically in the drain pipe.
La présente invention a donc pour but de fournir un dispositif formant siphon de type nouveau dont le renouvellement de l'eau lors de l'évacuation d'eaux usées par une charge d'eau propre soit satisfaisant et permettre son utilisation avec une cuvette de toilettes.The present invention therefore aims to provide a device forming a new type of siphon, the water renewal during drainage worn by a load of clean water is satisfactory and allow its use with a toilet bowl.
A cet effet, la présente invention a pour objet un dispositif formant siphon ayant un corps creux comportant un orifice amont situé dans la partie inférieure du corps et communiquant avec un tronçon amont d'une canalisation d'évacuation de fluide, des moyens de retenue définissant un bord de débordement et coopérant avec une partie du tronçon amont pour retenir une quantité de fluide formant bouchon fluide en fin d'évacuation, et un orifice aval situé dans la partie inférieure du corps et communiquant avec un tronçon aval de la canalisation d'évacuation, caractérisé en ce que les moyens de retenue sont déplaçables entre une position active et une position escamotée, le dispositif comportant des moyens de déplacement commandé des moyens de retenue entre les deux position.To this end, the present invention relates to a siphon device having a hollow body having an upstream orifice located in the part lower body and communicating with a stretch upstream of a fluid evacuation pipe, retaining means defining an overflow edge and cooperating with part of the upstream section to retain a quantity of fluid forming a fluid plug at the end outlet, and a downstream orifice located in the part lower body and communicating with a downstream section of the drainage pipe, characterized in that the retaining means can be moved between a active position and a retracted position, the device comprising means of displacement controlled means between the two positions.
Selon d'autres caractéristiques :
- dans la position escamotée des moyens de retenue, l'écoulement du fluide est à peu près rectiligne entre l'orifice amont et l'orifice aval,
- les moyens de retenue sont constitués d'une membrane déformable élastiquement et les moyens de déplacement sont des moyens de déformation de la membrane,
- dans la position escamotée, la membrane n'est pas déformée, et s'étend longitudinalement dans la direction de l'écoulement, sa dimension longitudinale telle que mesurée à proximité du fond du corps étant plus grande que le diamètre de l'orifice amont,
- dans un plan perpendiculaire à la direction de l'écoulement, la membrane a une forme en U dont les extrémités des branches sont fixées sur le corps, la membrane comportant un bord amont en U qui est fixé contre une paroi du corps comportant l'orifice amont, ce dernier étant situé à l'intérieur du U, le bord aval de la membrane étant libre,
- dans la position escamotée non déformée la membrane comporte un bord aval en U situé dans un plan perpendiculaire à la direction de l'écoulement et situé à proximité de l'orifice aval, l'orifice aval étant situé en vis-à -vis de l'intérieur du U,
- les moyens de déformation comportent une tige montée rotative sur le corps autour d'un axe perpendiculaire à la direction de l'écoulement et situé au-dessous de la membrane à proximité de l'orifice amont, la tige étant située, lorsqu'elle est dans sa position de repos en-dessous de la membrane et ne déformant pas la membrane, en s'étendant dans un plan à peut près médian de la membrane vers l'orifice aval, les moyens de déformation comportant des moyens d'actionnement de la tige situés à l'extérieur du corps,
- les moyens d'actionnement sont fixés sur l'axe de rotation de la tige et comportent une manette et des moyens de rappel rappelant cette dernière vers la position active de la membrane.
- in the retracted position of the retaining means, the flow of the fluid is approximately rectilinear between the upstream orifice and the downstream orifice,
- the retaining means consist of an elastically deformable membrane and the displacement means are means of deformation of the membrane,
- in the retracted position, the membrane is not deformed, and extends longitudinally in the direction of flow, its longitudinal dimension as measured near the bottom of the body being greater than the diameter of the upstream orifice,
- in a plane perpendicular to the direction of flow, the membrane has a U-shape, the ends of the branches of which are fixed to the body, the membrane having an upstream U-shaped edge which is fixed against a wall of the body comprising the orifice upstream, the latter being located inside the U, the downstream edge of the membrane being free,
- in the retracted, undistorted position, the membrane has a U-shaped downstream edge located in a plane perpendicular to the direction of flow and located near the downstream orifice, the downstream orifice being located opposite the inside the U,
- the deformation means comprise a rod rotatably mounted on the body about an axis perpendicular to the direction of flow and located below the membrane near the upstream orifice, the rod being located, when it is in its rest position below the diaphragm and not deforming the diaphragm, extending in a near-median plane from the diaphragm towards the downstream orifice, the deformation means comprising means for actuating the rod located outside the body,
- the actuating means are fixed on the axis of rotation of the rod and comprise a lever and return means recalling the latter towards the active position of the membrane.
La présente invention concerne également une cuvette de toilettes raccordée à un dispositif formant siphon selon la présente invention.The present invention also relates to a toilet bowl connected to a forming device siphon according to the present invention.
La présente invention sera mieux comprise à la lecture de la description détaillée qui va suivre, faite uniquement à titre d'exemple, et en référence aux dessins annexés sur lesquels :
- la figure 1 est une vue en perspective éclatée d'un dispositif formant siphon selon la présente invention, les moyens de retenue étant en position active,
- la figure 2 est une vue en perspective analogue à la figure 1, certains éléments ayant été supprimés pour une raison de clarté, les moyens de retenue étant dans la position escamotée,
- la figure 3 est une vue en coupe longitudinale du dispositif formant siphon de la figure 1,
- la figure 4 est une vue de dessus du dispositif formant siphon de la figure 1, la partie supérieure de celui-ci ayant été supprimée,
- la figure 5 est une vue en coupe longitudinale analogue à la figure 3, les moyens de retenue étant dans la position escamotée,
- la figure 6 est une vue latérale du dispositif formant siphon selon la présente invention, représentant les moyens d'actionnement des moyens de déplacement des moyens de retenue,
- la figure 7 est une vue schématique en coupe d'une cuvette de toilettes équipée d'une dispositif formant siphon selon la présente invention,
- la figure 8 est une vue en perspective partiellement éclatée de la cuvette représentée sur la figure 7.
- FIG. 1 is an exploded perspective view of a device forming a siphon according to the present invention, the retaining means being in the active position,
- FIG. 2 is a perspective view similar to FIG. 1, certain elements having been deleted for reasons of clarity, the retaining means being in the retracted position,
- FIG. 3 is a view in longitudinal section of the device forming a siphon in FIG. 1,
- FIG. 4 is a top view of the siphon device of FIG. 1, the upper part of it having been removed,
- FIG. 5 is a view in longitudinal section similar to FIG. 3, the retaining means being in the retracted position,
- FIG. 6 is a side view of the device forming a siphon according to the present invention, showing the means for actuating the means for moving the retaining means,
- FIG. 7 is a schematic sectional view of a toilet bowl equipped with a siphon device according to the present invention,
- FIG. 8 is a partially exploded perspective view of the bowl shown in FIG. 7.
Sur la figure 1 on a représenté un dispositif 2
formant siphon selon la présente invention.In Figure 1 there is shown a
Le dispositif 2 comporte un corps creux délimité
par une paroi avant 4, une paroi longitudinale 6 ayant
en coupe transversale la forme d'un U délimitant deux
parois longitudinales 6a, 6b et une paroi 6c de forme
arrondie délimitant le fond du U. Le corps comporte
également une paroi arrière 8 et un couvercle 10.The
La paroi avant 4 comporte un orifice d'entrée ou
orifice amont 12 muni de moyens formant raccord 14
communiquant avec un tronçon amont de canalisation (non
représenté).The front wall 4 has an inlet or
L'orifice amont 12 est agencé dans la partie
inférieure de la paroi avant 4.The
La paroi arrière 8 comporte un orifice de sortie
ou orifice aval 16 situé dans sa partie inférieure
(voir figures 2 et 5). L'orifice aval 16 est muni d'un
élément formant raccord 18 communiquant avec un tronçon
aval de la canalisation d'évacuation (non représenté).The
Selon la présente invention, le corps 4 comporte
entre l'orifice amont 12 et l'orifice aval 16 des
moyens de retenue constitués d'une membrane 20
déformable élastiquement.According to the present invention, the body 4 comprises
between
A l'état non déformé, la membrane 20 a une forme
transversale en forme de U s'étendant le long de la
paroi longitudinale 6 du corps du dispositif 2.In the undeformed state, the
La membrane 20 comporte aux extrémités libres du
U deux bords 20a et 20b fixés, par exemple par collage,
respectivement dans la partie supérieure de la paroi 6,
à proximité des bords 6a et 6b de celle-ci.The
La membrane 20 comporte un bord amont 21 qui est
replié sur l'extérieur de la paroi 6 du corps et fixé
sur cette dernière par l'intermédiaire de la paroi
avant 4.The
La membrane 20 comporte également un bord aval 22
(voir figures 2 et 5) ayant la forme d'un U situé dans
un plan perpendiculaire à la direction d'écoulement et
à proximité de l'orifice de sortie 16.The
La distance séparant le bord amont du bord aval
mesurée le long du fond de la paroi 6 en U, lorsque la
membrane n'est pas déformée est plus courte que la
dimension verticale de la paroi avant 4 du corps du
dispositif 2, mais plus grande que le diamètre de
l'orifice d'entrée 12.The distance from the upstream edge to the downstream edge
measured along the bottom of the
Il est à noter que la distance séparant le bord
amont du bord aval au niveau des bords 20a et 20b peut
être différente de celle mesurée au niveau du fond du
U, le bord aval 22 n'étant pas alors dans un plan
vertical.Note that the distance from the edge
upstream of the downstream edge at the
L'orifice aval 16 est situé en vis-à -vis de
l'intérieur du U formé par la membrane 20 lorsque la
membrane est à l'état non déformé (voir figure 2).The
De même, il est à noter que l'orifice d'entrée ou
orifice amont 12 est toujours situé à l'intérieur du U
formé par le bord amont de la membrane 20.Similarly, it should be noted that the inlet orifice
En conséquence, lorsque la membrane est dans sa
position escamotée, comme on peut le voir sur la figure
5, l'écoulement à travers le dispositif 2 selon
l'invention s'effectue directement et de manière
pratiquement rectiligne depuis l'orifice d'entrée 12
jusqu'Ã l'orifice de sortie 16.Consequently, when the membrane is in its
retracted position, as can be seen in the figure
5, the flow through the
Le corps du dispositif 2 selon la présente
invention comporte également des moyens de déplacement
des moyens de retenue qui sont constitués de moyens de
déformation de la membrane 20.The body of the
Les moyens de déformation comportent une tige ou
palette 24 située à l'intérieur du corps entre la
membrane 20 et la paroi 6c formant fond du corps. La
tige 24 est fixée sur un arbre 26 s'étendant
perpendiculairement à la direction d'écoulement du
fluide.The deformation means comprise a rod or
L'arbre 26 est monté rotatif autour de son axe
par l'intermédiaire d'un palier (non représenté) agencé
dans un trou (non représenté) de la paroi 6c et
comporte une extrémité faisant saillie à l'extérieur du
corps.The
En variante, l'arbre 26 peut avoir son autre
extrémité montée dans un autre palier agencé dans le
corps creux du dispositif 2.Alternatively, the
Une manette est fixée sur l'extrémité de l'arbre
26 faisant saillie à l'extérieur du corps du dispositif
2, et constitue des moyens d'actionnement de la tige 24
par mise en rotation manuelle de l'arbre 26.A handle is attached to the end of the
Un ressort 30 est agencé entre la manette 28 et
un point extérieur du corps du dispositif 2 de manière
à rappeler la manette 28 vers la position dans laquelle
la tige 24 déforme la membrane 20, position représentée
en traits interrompus sur la figure 6.A
Dans cette position de la manette 28, la tige 24
s'étend perpendiculairement à l'axe de l'orifice amont
12, à peu près parallèlement à la paroi avant 4 comme
représenté sur la figure 3, et déforme la membrane 20.In this position of the
Lorsque la tige 24 est dans cette dernière
position, la membrane 20 est déformée de telle sorte
qu'elle présente un pli 20c (voir figures 3 et 4)
s'étendant à peu près dans un plan vertical passant par
l'axe de l'orifice amont 12, le pli étant légèrement
incliné par rapport à la verticale.When the
Le bord 22 de la membrane s'étend à peu près dans
un plan horizontal qui est situé au-dessus de l'orifice
d'entrée du fait que la longueur des bords 20a et 20b
de la membrane est supérieure au diamètre de l'orifice
d'entrée 12 le bord 22 constituant alors un bord de
débordement. The
Lorsque la manette 28 est dans la position
représentée en traits pleins sur la figure 6, la tige
24 s'étend le long du fond de la paroi longitudinale 6
en forme de U vers l'orifice aval 16 comme représenté
sur la figure 5. La longueur de la tige 24 est plus
petite que la dimension verticale de la paroi avant 4
du corps du dispositif 2.When the
Dans une telle position, la membrane 20 n'est pas
déformée et l'écoulement du fluide s'effectue à peu
près directement selon un trajet rectiligne entre
l'orifice amont 12 et l'orifice aval 16.In such a position, the
Lorsqu'un écoulement d'eaux usées est déclenché
par déversement d'eau propre, on actionne manuellement
la manette 28 dans le sens de la flèche de la figure 6,
à l'encontre de l'action du ressort 30, et la membrane
n'est plus déformée. L'actionnement de la manette 28
peut être à peu près simultané au déversement d'eau
propre dans la canalisation.When a wastewater flow is triggered
by pouring clean water, it is operated manually
the
En conséquence le bouchon de fluide retenu
jusqu'à alors par la membrane 20 s'écoule directement
par gravité dans le tronçon aval de la canalisation, Ã
travers l'orifice de sortie 16.Consequently the retained fluid plug
until then through the
Ceci élimine les problèmes de bouchage que l'on rencontre parfois avec les siphons de la technique antérieure.This eliminates the clogging problems that one sometimes encounter with siphons of technique anterior.
Aussitôt après cet écoulement du bouchon, l'eau
propre déversée entraÃné l'eau usée contenue dans un
appareil domestique relié au tronçon amont jusque dans
ce dernier puis à travers le dispositif 2 directement
dans le tronçon aval 18 de la canalisation
d'évacuation.Immediately after this flow of the plug, the water
clean spilled entrained waste water contained in a
domestic appliance connected to the upstream section up to
the latter then through
Un peu avant la fin du déversement d'eau propre,
on relâche la manette 28 qui est rappelée par le
ressort 30 vers sa position dans laquelle la tige 24
déforme la membrane 20 (voir figure 3) de sorte que le
fluide doit passer au-dessus du bord 22 de la membrane
20 pour atteindre l'orifice aval 16.Just before the clean water spill ends,
release the
Cette obligation fait qu'en fin de déversement,
la membrane 20 retient une quantité de fluide formant
bouchon.This obligation means that at the end of the spill,
the
Il est à noter qu'il est possible d'actionner automatiquement la manette 28 lorsque le déversement d'eau propre est déclenché.It should be noted that it is possible to activate automatically lever 28 when the spill clean water is triggered.
Cette possibilité est particulièrement
intéressante lorsque le dispositif 2 formant siphon
selon l'invention est agencé à la sortie d'une cuvette
de toilettes adaptée à cet effet, comme représenté sur
les figures 7 et 8.This possibility is particularly
interesting when the
Une telle cuvette de toilettes 40 équipée d'un
dispositif 2 selon l'invention, est représentée sur la
figure 7. Elle comporte une arrivée 42 d'eau sous
pression débouchant dans la cuvette 44 elle-même et
comportant une vanne temporisée 46 munie d'un bouton
poussoir 48. De préférence, l'arrivée 42 d'eau sous
pression débouche dans un anneau torique 50 agencé dans
la partie supérieure de la cuvette 44 (voir également
figure 8), l'anneau torique 50 étant percé de trous 52
régulièrement espacés à sa périphérie.Such a
Un capot annulaire 54 protège et cache la partie
supérieure de l'anneau torique 50.An
Un bouton de commande 56 est agencé à l'arrière
de la cuvette pour actionner la vanne temporisée 46.A
A cet effet le bouton de commande 56 est
solidaire d'une tige 58 montée coulissante dans une
partie tubulaire verticale 60. Une partie horizontale
62 perpendiculaire à la tige 58 et solidaire de cette
dernière fait saillie à l'extérieur de la partie
tubulaire 60 en traversant une fente (non représentée)
prévue longitudinalement dans la paroi de la partie
tubulaire. For this purpose, the
La partie 62 s'étend au-dessus du bouton poussoir
48 de la vanne temporisée 46.
Un ressort 64 est agencé entre le fond de la
partie tubulaire 60 et la partie 62 de manière Ã
rappeler cette dernière vers une position éloignée du
bouton poussoir 48 comme représenté sur la figure 7.A
La tige 58 a une extrémité en saillie vers le bas
à partir du fond de la partie tubulaire 60, cette
extrémité étant reliée mécaniquement à la manette 28 de
telle sorte qu'une translation vers le bas de la tige
58 soit transformée en rotation de la manette 28 autour
de l'axe de l'arbre 26.
Cette liaison mécanique peut être de tout type connu actuellement dans la technique de transformation de mouvements.This mechanical connection can be of any type currently known in the processing technique of movements.
Comme représenté sur la figure 8, cette liaison mécanique peut être cachée au niveau da sa partie mécanique peut être cachée au niveau de sa partie inférieure par la cuvette et de sa partie supérieure par un coffre comportant un compartiment destiné à recevoir par exemple du papier ou des produits de nettoyage.As shown in Figure 8, this link mechanical can be hidden at the level of its part mechanical can be hidden at the level of its part lower by the bowl and its upper part by a chest comprising a compartment intended for receive for example paper or products from cleaning.
Lorsqu'on appuie sur le bouton de commande 56, la
partie en saillie 62 déplace le bouton poussoir 48 vers
le bas, ouvrant ainsi la vanne temporisée 46 et
déclenchant donc le déversement d'eau propre sous
pression.When the
Simultanément et automatiquement, la manette 28
est actionnée dans le sens de la flèche de la figure 7,
les moyens de retenue d'un bouchon de fluide 70 du
dispositif 2 selon l'invention étant alors escamotée
(voir figure 5) si le bouchon 70 s'écoulant directement
dans le tronçon aval.Simultaneously and automatically, the
Le ressort 30, associé au ressort 64, rappelle
pratiquement aussitôt la manette 28 vers sa position
dans laquelle la membrane 20 est déformée et constitue
des moyens de retenue d'un bouchon tel que le bouchon
70, la partie 62 en saillie s'éloignant alors du bouton
poussoir 48 et le libérant. Celui-ci revient alors vers
sa position de fermeture de la vanne 46. Ce retour
s'effectue sur un intervalle de temps prédéterminé de
manière qu'une quantité prédéterminée d'eau propre ait
été alimentée à travers la vanne 46.The
Cette quantité d'eau prédéterminée nettoie les
parois de la cuvette ainsi que la membrane mais ne sert
pratiquement pas à évacuer le bouchon 70, celui-ci
étant déjà évacué, ce qui permet d'avoir une quantité
d'eau prédéterminée réduite.This predetermined amount of water cleans the
walls of the bowl as well as the membrane but is only used
practically not to evacuate the
Avec une quantité réduite d'eau propre, on
obtient donc un bouchon fluide 70 qui est propre.With a reduced amount of clean water,
therefore obtains a
Des essais ont montré que les résultats étaient. excellents avec des quantités d'eaux propres déversées inférieures à 3 litres.Tests have shown that the results were. excellent with quantities of clean water discharged less than 3 liters.
Différentes modifications peuvent être envisagée par l'homme du métier sans sortir du domaine de l'invention.Different modifications can be considered by a person skilled in the art without leaving the field of the invention.
C'est ainsi que la cuvette de toilettes peut être
une cuvette à chasse d'eau habituelle dont la commande
est reliée de manière adéquate à la manette 28, ou que
la forme du corps creux peut être différente de celle
décrite.This is how the toilet bowl can be
a usual toilet bowl whose order
is adequately connected to the
Claims (11)
- A trap-forming device having a hollow body including an upstream orifice (12) situated in the bottom portion of the body and communicating with an upstream length of fluid evacuation pipework, retaining means (20) defining an overflow edge and co-operating with a portion of the upstream length to retain a quantity of fluid that forms a fluid barrier (70) at the end of evacuation, and a downstream (16) situated in a bottom portion of the body and communicating with a downstream length of evacuation pipework, the device being characterised in that the retaining means (20) are displaceable between an active position and a retracted position, the device including controlled displacement means (24, 26, 28, 30) for controlling displacement of the retaining means between the two positions.
- A trap-forming device according to claim 1, characterised in that in the retracted position of the retaining means, the flow of fluid is more or less rectilinear between the upstream orifice (12) and the downstream orifice (16).
- A trap-forming device according to claim 1 or 2, characterised in that the retaining means are constituted by an elastically deformable membrane (20) and the displacement means are means for deforming the membrane.
- A trap-forming device according to claim 3, characterised in that in the retracted position, the membrane (20) is not deformed, and it extends longitudinally in the flow direction, its longitudinal direction as measured in the vicinity of the bottom of the body being greater than the diameter of the upstream orifice (12).
- A trap-forming device according to claim 4, characterised in that in a plane perpendicular to the flow direction, the membrane (20) is U-shaped, with the ends of the branches of the U-shape being fixed to the body, the membrane (20) including a U-shaped upstream edge (21) which is fixed against a wall (4) of the body that includes the upstream orifice, which orifice is situated inside the U-shape, the downstream edge (22) of the membrane being free.
- A trap-forming device according to claim 5, characterised in that in the non-deformed, retracted position, the membrane (20) includes a U-shaped downstream edge (22) situated in a plane perpendicular to the flow direction and situated in the vicinity of the downstream orifice (16), the downstream orifice being situated facing the inside of the U-shape.
- A trap-forming device according to claims 3 to 6, characterised in that the deformation means comprise a rod (24) rotatably mounted on the body about an axis (26) perpendicular to the flow direction and situated beneath the membrane (20) in the vicinity of the upstream orifice (12), the rod (24) being situated, when in its rest position beneath the membrane and when not deforming the membrane, so as to extend substantially in a midplane of the membrane towards the downstream orifice (16), the deformation means including actuator means (28, 30) for actuating the rod and situated outside the body.
- A trap-forming device according to claim 7, characterised in that the actuator means (28, 30) are fixed on the shaft (26) for rotating the rod (24) and include a lever (28) and return means (30) urging the lever towards the active position of the membrane.
- A toilet bowl connected to a trap-forming device according to any one of the preceding claims, including manual control means for controlling the discharge of a predetermined quantity of clean evacuation and cleaning water, characterised in that the manual control means are connected to the means for actuating the displacement means for displacing the retaining means of the trap-forming device into their retracted position, actuation of the manual control means and of the trap actuating means being more or less simultaneously.
- A toilet bowl connected to a trap-forming device according to claim 9, characterised in that the actuation means are urged towards the active position of the retaining means before all of said predetermined quantity of clean water has been discharged.
- A toilet bowl connected to a trap-forming device according to claim 9 or 10, characterised in that said predetermined quantity of water is controlled via a timed valve inserted in inlet pipework for clean water under pressure and that opens out into the bowl.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9300920A FR2700791B1 (en) | 1993-01-27 | 1993-01-27 | Device forming a siphon and toilet bowl provided with such a device. |
FR9300920 | 1993-01-27 | ||
PCT/FR1994/000102 WO1994017256A1 (en) | 1993-01-27 | 1994-01-27 | Trap-forming device and toilet bowl fitted with such a device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0681631A1 EP0681631A1 (en) | 1995-11-15 |
EP0681631B1 true EP0681631B1 (en) | 1998-04-22 |
Family
ID=9443484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94905747A Expired - Lifetime EP0681631B1 (en) | 1993-01-27 | 1994-01-27 | Siphon trap and toilet bowl fitted with the same |
Country Status (9)
Country | Link |
---|---|
US (1) | US5657495A (en) |
EP (1) | EP0681631B1 (en) |
JP (1) | JPH08505913A (en) |
AT (1) | ATE165411T1 (en) |
AU (1) | AU5973294A (en) |
DE (1) | DE69409792T2 (en) |
DK (1) | DK0681631T3 (en) |
FR (1) | FR2700791B1 (en) |
WO (1) | WO1994017256A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5920920A (en) * | 1997-12-08 | 1999-07-13 | Chi; Wei-Neng | Straight trap toilet apparatus |
SE0400630L (en) * | 2004-03-15 | 2005-08-30 | Sjoebo Bruk Ab | Odor barrier |
US9493936B2 (en) * | 2004-10-08 | 2016-11-15 | Sdb Ip Holdings, Llc | System, method, and apparatus for monitoring wear in a flush valve using pressure detection |
WO2007074967A1 (en) * | 2005-12-26 | 2007-07-05 | Dong-Sun Cho | Auxiliary water tank for toilet stool |
GB0722735D0 (en) * | 2007-11-20 | 2008-01-02 | Straight Flush Ltd | Water conserving toilet |
NL2002354C2 (en) * | 2008-12-19 | 2010-06-22 | Wing Visions Holding B V | Stench trap assembly. |
US9464422B2 (en) * | 2013-03-15 | 2016-10-11 | Sdb Ip Holdings, Llc | System and method for a diaphragm valve controlled through measurement of water pressure and solenoid opening time |
DE102015007337A1 (en) * | 2015-06-12 | 2016-12-15 | Grohe Ag | Sanitary facility with an ultrasonic cleaning |
GB2558290A (en) * | 2016-12-23 | 2018-07-11 | Straight Flush Ltd | Water conserving toilet |
US11359361B1 (en) | 2021-01-21 | 2022-06-14 | Trapless Llc | Trapless toilet |
EP4056776A1 (en) * | 2021-03-11 | 2022-09-14 | Geberit International AG | Sanitary ware assembly |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE15332C (en) * | GEBRÃœDER SCHMIDT in Weimar | Kloset - water seal with movable tongue and heating device | ||
GB1063711A (en) * | 1962-09-03 | 1967-03-30 | Shires & Company London Ltd | Improvements relating to water closets |
IL23141A (en) * | 1964-03-16 | 1968-09-26 | Liljendahl S | Discharge valve,particularly for water closets |
FI54173C (en) * | 1973-11-12 | 1978-10-10 | Waertsilae Oy Ab | VALVE FOER VACUUMAVLOPP |
US4357719A (en) * | 1979-08-20 | 1982-11-09 | Rogerson Aircraft Controls | Non recirculating method of disposing of waste products for aircrafts |
DE9202878U1 (en) * | 1992-03-05 | 1992-06-25 | Alber, Gerd, 7201 Renquishausen | Electronic water-saving toilet |
-
1993
- 1993-01-27 FR FR9300920A patent/FR2700791B1/en not_active Expired - Fee Related
-
1994
- 1994-01-27 EP EP94905747A patent/EP0681631B1/en not_active Expired - Lifetime
- 1994-01-27 WO PCT/FR1994/000102 patent/WO1994017256A1/en active IP Right Grant
- 1994-01-27 DK DK94905747T patent/DK0681631T3/en active
- 1994-01-27 AT AT94905747T patent/ATE165411T1/en not_active IP Right Cessation
- 1994-01-27 AU AU59732/94A patent/AU5973294A/en not_active Abandoned
- 1994-01-27 JP JP6516759A patent/JPH08505913A/en active Pending
- 1994-01-27 DE DE69409792T patent/DE69409792T2/en not_active Expired - Fee Related
- 1994-01-27 US US08/495,658 patent/US5657495A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0681631A1 (en) | 1995-11-15 |
JPH08505913A (en) | 1996-06-25 |
FR2700791A1 (en) | 1994-07-29 |
DE69409792T2 (en) | 1998-11-19 |
FR2700791B1 (en) | 1995-05-12 |
ATE165411T1 (en) | 1998-05-15 |
US5657495A (en) | 1997-08-19 |
DE69409792D1 (en) | 1998-05-28 |
DK0681631T3 (en) | 1999-02-01 |
WO1994017256A1 (en) | 1994-08-04 |
AU5973294A (en) | 1994-08-15 |
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