EP3704320A1 - Vented trap - Google Patents

Vented trap

Info

Publication number
EP3704320A1
EP3704320A1 EP18759993.1A EP18759993A EP3704320A1 EP 3704320 A1 EP3704320 A1 EP 3704320A1 EP 18759993 A EP18759993 A EP 18759993A EP 3704320 A1 EP3704320 A1 EP 3704320A1
Authority
EP
European Patent Office
Prior art keywords
valve
siphon
air
chamber
branches
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18759993.1A
Other languages
German (de)
French (fr)
Other versions
EP3704320B1 (en
Inventor
Alban Bacouet
Vincent Le Guen
Frédéric Lallement
Cédric LE ROY
Gaël LE BIHAN
Daniel Le Coent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wirquin Plastiques SAS
Original Assignee
Wirquin Plastiques SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wirquin Plastiques SAS filed Critical Wirquin Plastiques SAS
Priority to PL18759993T priority Critical patent/PL3704320T3/en
Publication of EP3704320A1 publication Critical patent/EP3704320A1/en
Application granted granted Critical
Publication of EP3704320B1 publication Critical patent/EP3704320B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E03C1/294—Odour seals with provisions against loss of water lock
    • E03C1/295—Odour seals with provisions against loss of water lock using air-supply valves
    • 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
    • E03C1/122—Pipe-line systems for waste water in building
    • E03C1/1222—Arrangements of devices in domestic waste water pipe-line systems
    • E03C1/1225—Arrangements of devices in domestic waste water pipe-line systems of air admittance valves

Definitions

  • venting the vent pipe To remedy one of these inconveniences (defusing), technical solutions exist, such as venting the vent pipe.
  • One proposed solution among others is the venting of the exhaust pipe (installation of an aerator), or the addition downstream of the siphon of a valve aerator or the laying of a water trap pre-equipped with a venting system in case of depression.
  • the venting solutions integral with the siphon that is to say upstream of the connection to the drain pipe portion
  • JP20040361 14 further specifies the geometry of the annular valve, the latter deforming only by its inside diameter to let air in the case of a depression situation in the pipe.
  • said valves are of concentric geometries, of the shape of a ring of more or less flat shape.
  • valve solution internal siphon is illustrated in the following document.
  • the geometry of the valve is different from the proposed solutions. Indeed, in order to refine the opening of the valve, it is in the form of a “horseshoe”, that is to say a non-continuous ring, a split ring. It is based on a range to ensure the sealing at rest with respect to a possible overpressure in the exhaust pipe.
  • the main characteristic is the shape of the valve: of non-continuous annular shape, it is possible to have an uprising of the ends of the valve without having a complete lifting of said valve.
  • the flexibility of the material thus allows a finesse of opening, as well as a material gain in manufacturing.
  • the missing portion of the ring allows a clearance to the connection with the discharge pipe.
  • Another particular feature is the presence of a slightly inclined range to the air intake of the downstream pipe.
  • Figure 2 is a view of the assembled assembly
  • FIG. 3 is a sectional view of the siphon assembly
  • Figure 4 is an exit side view
  • Figure 5 is a perspective view of the valve installed on the siphon body
  • Figure 6 is a perspective view of the valve installed on the siphon body in the open position
  • FIGS. 7, 8, 9, 10 and 12 are views of the valve according to the invention.
  • Figure 1 1 is a perspective view from above of the siphon body for receiving the valve;
  • Figures 13 and 14 are views for an overview of the air intakes
  • Figures 15 and 16 are views which illustrate the mounting of the tube holder to the siphon body.
  • the siphon according to the invention can be broken down as follows:
  • a tube support 8 comprising a sealing portion 29 guiding said inlet tube 8, this support 6 comprising a function assembly 18, with a portion 28 intended to be clipped onto the body 1,
  • the body 1 which groups the air inlets 16, the surface 15 on which is positioned the valve 2, the air relationship formed by the channel 17 and the orifice 12 with the outlet 1 1 of the body 1 of the siphon, a dip tube 5 defining the value of the water guard, a receiving system at the outlet of a quick nut to connect to the discharge pipe, a thread for connecting the lower part of the body 1 the base 10.
  • the effluent flows through the opening 9 of the inlet tube 8 at the top of the siphon. This effluent then passes through the dip tube 5 connected to the body 1 of the siphon, rushes into the base 10 and then back in the body 1 to escape through the outlet 1 1 of the body 1 to the evacuation pipe not shown.
  • the evacuation pipe 1 1 undergoes at the end of the flow a depression phenomenon, there is “suction" of the water in the base 10 to the extent of the air supply which is permitted by the opening of the valve 2 located in the upper part of the body 1.
  • valve is intended to regulate an air intake through the openings 3 and 16 to the outlet 1 1 connected to a discharge pipe.
  • the flow of air intake is as follows:
  • the connection to the downstream discharge pipe is the connection to the downstream discharge pipe.
  • a depression is installed in the outlet 1 1, it also exists in the chamber 13 located between the support 6 of the tube 8 and the upper body 1.
  • One or more air inlets 16, 3 on the body of the siphon 1 and on the support 6 of the tube 6 allow, if the valve 2 is raised, air to rush into the chamber 13 and then migrate via the channel 17 and the orifice 12 to the outlet 1 1 of the body 1, the channel 17 opening into the chamber 13 between the two ends 23 of the valve 2.
  • This allows the vacuum present in the outlet 1 1 to equilibrate the difference in level of the effluent in the dip tube 5.
  • the valve 2 resumes its low position (falls) and re-closes the air inlet 16.
  • valve 2 For the movement of the valve 2, the peculiarity is to have a valve 2 of non-continuous annular shape, or split, this valve being intended to be placed in the chamber 13 concentrically around the vertical axis of flow of the
  • the slotted annular shape thus forms a non-continuous ring to form two branches 31 and 32 terminating in the ends 23.
  • Both ends 23 of the valve 2 are not connected. They can therefore lift independently of each other in case of depression in the chamber 13, as shown in Figure 6.
  • valve 2 is not required to lift in one piece, but can lift locally end 23 bending, thus directing the air from the chamber 13 to the channel 17 and the orifice 12 opening into the outlet 1 1
  • branches 31, 32 of independent valves. Indeed, instead of having only one valve 2, it is possible to have two branches 31, 32 unitarily act as valves of different hardness / flexibility, for example, the connection 33 in Figure 9 would not exist leaving the branches 31 , 32 independent of each other.
  • the support 6 of the tube 8 consists of a rigid plastic part on which a flexible material is overmolded.
  • the central portion formed by the flexible material 29 of the support 6 is constituted by a circular opening, which surrounds the evacuation tube 8.
  • This tube support 8 comprises a portion 28 which is clipped on the lugs 18 in overlap of the siphon body 1 thus establishing a seal on the outer ring 19 and the central wall 30.
  • the sealing is carried out by pressing a portion flexible 34 on the central wall 30 and a flexible annular portion 27 on the outer ring 19 of the siphon body 1.
  • a lug 14 on the surface 15 allows the correct positioning - keying - of the valve 2.
  • FIG. 7 is presented by a top surface of the valve 2, which has an opening 20 in which lug 14 is housed (Figure 5).
  • the valve 2 comprises a plane 33 with more particularly a zone having a plan 21 disbursement delimited in its majority of the periphery by a flange 22 which is the extension of the plane 33 (the flanges 22 and the plane 33 is thus at the same level).
  • This rim 22 allows, if the effluent is present on the plane 21, to channel it towards the end 23 and then towards the channel 17 extended by the orifice 12 and then towards the outlet 11. This case is possible if the drainage pipe is clogged or limited in flow by a plug the flow is bad
  • FIG 8 is the valve in perspective seen from below, its lower surface 25 being applied on the surface 15 thus closing the openings 16 of air inlets.
  • the two branches 31, 32 of the valve 2 may be of different thickness and shape / geometry. Thus it is possible to have movements of different magnitudes between the branches 31, 32 of the valve 2 and thus to open differently for the same depression in the chamber 13.
  • the lifting of the branches 31, 32 is achieved by a curvature the branch, the middle part of the valve comprising the opening 20 in which is inserted the stud 14 remaining substantially in contact with the surface 15
  • Figures 13 and 14 appear the passages 3 and 16 which allow the air to enter the chamber 13 of the siphon.
  • On the body 1 is clipped into the portion 28 of the support 6 which has a large opening 3 which gives access to the opening 16 located on the body 1.
  • the support 6 has an overmoulded seal which is applied by pressure when mounted on the outer ring 19 and the
  • the chamber 13 has an outward connection to the outside only through the openings 16 and 3.
  • Figures 15 and 16 illustrate the sealing method between the support 6 presented upside down ( Figure 15) and the body 1.
  • the tubular support has a molded joint geometry, more precisely in its center a ring formed by the flexible material 29 which seals between the inlet tube 8 and the support 6, a flexible portion 34 of the overmolded seal which comes resting on the central wall 30 of the body 1 and a flexible annular portion 27 bearing on the outer ring 19 of the body 1.
  • a seal is made between the tubular support 6 and the body 1.
  • the chamber 13 is normally sealed towards the outside of the siphon if the valve 2 is correctly applied to the air inlets 16.

Abstract

Trap with trap seal comprising a vent (16, 3) to perform an anti-siphon function comprising in the characteristic way a flap (2) of annular shape positioned in a chamber (13) in the body (1) of the trap concentrically with respect to the vertical axis of the flow of waste along the tube (8), this flap (2) being intended to regulate an intake of air through the openings (16, 3) towards the outlet (11) connected to a waste pipe, characterized in that said flap (2) of annular shape is split so as to form a non-continuous annulus to form two branches (31) and (32) terminating in ends (23).

Description

SIPHON AVEC MISE A L'AIR LIBRE  SIPHON WITH FREE AIR
Sur les conduites d'écoulements d'appareils sanitaires, il existe des siphons avec garde d'eau destinée à éviter les remontées d'odeurs. On the drainage pipes of sanitary appliances, there are siphons with guard of water intended to avoid the rise of odors.
Lorsque plusieurs évacuations sont raccordées sur une même conduite ou dans le cas d'une pente / longueur d'évacuation importante, il se passe des phénomènes de surpressions / dépressions qui occasionnent lors d'écoulement des désagréments, à savoir des désamorçages (aspiration) ou remontées d'odeurs (surpressions).  When several evacuations are connected on the same pipe or in the case of a slope / length of large evacuation, there are phenomena of overpressure / depressions which cause during the flow of inconvenience, namely defusing (suction) or odor recovery (overpressure).
Pour remédier à l'un de ces désagréments (désamorçage), des solutions techniques existent, telles la mise à l'air libre de la conduite d'évacuation. Une solution proposée parmi d'autres est la mise à l'air libre de la conduite d'évacuation (mise en place d'un aérateur), ou l'adjonction en aval du siphon d'un aérateur à clapet ou encore la pose d'un siphon en eau pré-équipé d'un système de mise à l'air libre en cas de dépression. Dans les solutions de mise à l'air libre solidaires au siphon (c'est-à-dire en amont du raccordement à la portion de conduite d'évacuation) différents modes existent, à savoir : To remedy one of these inconveniences (defusing), technical solutions exist, such as venting the vent pipe. One proposed solution among others is the venting of the exhaust pipe (installation of an aerator), or the addition downstream of the siphon of a valve aerator or the laying of a water trap pre-equipped with a venting system in case of depression. In the venting solutions integral with the siphon (that is to say upstream of the connection to the drain pipe portion) different modes exist, namely:
- une mise à l'air libre réalisée en aval du siphon (telle que décrit par le document de brevet publié sous le numéro GB2041422) avec un clapet placé sur une excroissance solidaire du corps de siphon, clapet obturant au repos une entrée d'air placée sur la portion aval du siphon. En cas de dépression dans la conduite d'évacuation, le clapet se soulève et permet à l'air de s'introduire dans la conduite d'évacuation. La dépression existante dans la conduite aval est neutralisée par ce dispositif et évite ainsi le désamorçage du siphon lors de l'écoulement.  - A venting carried out downstream of the siphon (as described by the patent document published under the number GB2041422) with a valve placed on a protrusion integral with the siphon body, valve closing at rest an air inlet placed on the downstream portion of the siphon. In the event of a vacuum in the exhaust pipe, the valve lifts and allows air to enter the exhaust pipe. The existing depression in the downstream pipe is neutralized by this device and thus avoids the defusing of the siphon during the flow.
- une mise à l'air libre réalisée en aval du siphon (telle que décrit par les documents de brevet publiés sous les numéro FR1373089 et US 4212314) avec plus particulièrement un clapet concentrique obturant au repos une entrée d'air. Si dépression il y a dans la conduite d'évacuation, le clapet concentrique se soulève et permet à l'air de s'introduire dans la conduite. Ainsi la dépression existante dans la conduite aval est neutralisée par ce dispositif et évite ainsi le désamorçage du siphon lors de l'écoulement.  - A venting performed downstream of the siphon (as described by the patent documents published under the numbers FR1373089 and US 4212314) with more particularly a concentric valve closing at rest an air inlet. If there is depression in the exhaust pipe, the concentric valve lifts and allows air to enter the pipe. Thus the existing vacuum in the downstream pipe is neutralized by this device and thus avoids the defusing of the siphon during the flow.
- dans le même esprit que la solution précédente, les textes des documents de brevets publiés sous les numéros KR20130125465 et US4524795 évoquent un modèle de siphon avec anti-vide concentrique, une conduite interne permettant la relation avec la conduite aval. Ainsi, la dépression existante dans la conduite aval est neutralisée par ce dispositif et évite ainsi le désamorçage du siphon lors de l'écoulement.  - in the same spirit as the previous solution, the texts of the patent documents published under the numbers KR20130125465 and US4524795 evoke a siphon model with concentric anti-vacuum, an inner pipe allowing the relationship with the downstream pipe. Thus, the existing depression in the downstream pipe is neutralized by this device and thus avoids the defusing of the siphon during the flow.
le document de brevet publié sous le numéro JP20040361 14 précise un peu plus la géométrie du clapet annulaire, ce dernier se déformant uniquement par son diamètre intérieur pour laisser passer l'air dans le cas d'une situation de dépression dans la conduite. Dans les modes techniques de clapets annulaires internes au corps du siphon, lesdits clapets sont de géométries concentriques, de la forme d'un anneau de forme plus ou moins plane. the patent document published under the number JP20040361 14 further specifies the geometry of the annular valve, the latter deforming only by its inside diameter to let air in the case of a depression situation in the pipe. In the technical modes of annular valves internal to the body of the siphon, said valves are of concentric geometries, of the shape of a ring of more or less flat shape.
Dans ces cas, en cas de dépression, c'est l'anneau complet (le clapet) qui peut être amené à se soulever pour laisser passer l'air ou simplement l'une des circonférences qui se déforme pour laisser un passage à l'air. In these cases, in case of depression, it is the complete ring (the valve) which can be raised to let the air or just one of the circumferences which is deformed to leave a passage to the air.
Pour l'invention proposée, une solution de clapet interne au siphon est illustrée dans la suite du document.  For the proposed invention, a valve solution internal siphon is illustrated in the following document.
Pour ce faire, la géométrie du clapet est différente des solutions proposées. En effet, afin d'affiner l'ouverture du clapet, celui-ci est de la forme d'un « fer à cheval », c'est-à- dire d'un anneau non continu, un anneau fendu. Il repose sur une portée pour assurer l'étanchéité au repos par rapport à une surpression éventuelle dans la conduite d'évacuation.  To do this, the geometry of the valve is different from the proposed solutions. Indeed, in order to refine the opening of the valve, it is in the form of a "horseshoe", that is to say a non-continuous ring, a split ring. It is based on a range to ensure the sealing at rest with respect to a possible overpressure in the exhaust pipe.
La caractéristique principale est la forme du clapet : de forme annulaire non continue, il est possible d'avoir un soulèvement des extrémités du clapet sans avoir un soulèvement complet dudit clapet. La souplesse de la matière permet ainsi une finesse d'ouverture, ainsi qu'un gain matière en fabrication. De même, la portion manquante à l'anneau permet un dégagement vers la liaison avec la conduite d'évacuation.  The main characteristic is the shape of the valve: of non-continuous annular shape, it is possible to have an uprising of the ends of the valve without having a complete lifting of said valve. The flexibility of the material thus allows a finesse of opening, as well as a material gain in manufacturing. Similarly, the missing portion of the ring allows a clearance to the connection with the discharge pipe.
Il est également possible d'avoir deux portions d'arc de clapet, avec des duretés différentes.  It is also possible to have two portions of valve arch, with different hardnesses.
Dans ce cas (non illustré), ce sont deux arcs qui sont montés dans le siphon.  In this case (not shown), two arcs are mounted in the siphon.
Une autre des caractéristiques particulière est la présence d'une portée légèrement inclinée vers la prise d'air de la canalisation aval. Ainsi, si l'effluent arrive sur le clapet lors d'une surpression dans la canalisation, elle se videra alors naturellement vers la conduite lors de la retombée en pression (cas par exemple lors d'une obstruction, canalisation bouchée) Another particular feature is the presence of a slightly inclined range to the air intake of the downstream pipe. Thus, if the effluent reaches the valve during an overpressure in the pipe, it will then empty naturally to the pipe during the pressure drop (for example during an obstruction, blocked pipe)
Une autre caractéristique est d'avoir un passage d'air « latéral », contrairement aux brevets précités dont le passage d'air se fait de manière interne / externe concentrique. En effet, le parcours de l'air vers la canalisation se fait préférentiellement sur les extrémité du clapet, plus particulièrement à l'endroit laissé libre par la non fermeture de l'anneau (le clapet est en forme de « fer à cheval ») D'autres caractéristiques et avantages de l'invention apparaîtront plus clairement à la lecture de la description suivante d'un mode de réalisation préférentiel de l'invention, donné à titre de simple exemple illustratif et non limitatif, et des dessins parmi lesquels: la figure 1 est une vue éclatée de l'ensemble ;  Another characteristic is to have a "lateral" air passage, unlike the aforementioned patents whose air passage is internally / externally concentric. Indeed, the air flow to the pipe is preferentially done on the end of the valve, more particularly to the place left free by the non-closing of the ring (the valve is shaped "horseshoe") Other features and advantages of the invention will emerge more clearly on reading the following description of a preferred embodiment of the invention, given as a simple illustrative and non-limiting example, and drawings in which: Figure 1 is an exploded view of the assembly;
la figure 2 est une vue de l'ensemble monté ;  Figure 2 is a view of the assembled assembly;
- la figure 3 est une vue en coupe de l'ensemble siphon ;  - Figure 3 is a sectional view of the siphon assembly;
la figure 4 est une vue de coté sortie ;  Figure 4 is an exit side view;
la figure 5 est une vue en perspective du clapet installé sur le corps de siphon ; la figure 6 est une vue en perspective du clapet installé sur le corps de siphon en position ouvert ;  Figure 5 is a perspective view of the valve installed on the siphon body; Figure 6 is a perspective view of the valve installed on the siphon body in the open position;
- les figures 7, 8, 9, 1 0 et 12 sont des vues du clapet selon l'invention ; la figure 1 1 est une vue en perspective du dessus du corps de siphon destiné à recevoir le clapet ; FIGS. 7, 8, 9, 10 and 12 are views of the valve according to the invention; Figure 1 1 is a perspective view from above of the siphon body for receiving the valve;
les figures 13 et 14 sont des vues pour aperçu des entrées d'air ;  Figures 13 and 14 are views for an overview of the air intakes;
les figures 15 et 16 sont des vues qui illustrent le montage du support de tube sur le corps de siphon.  Figures 15 and 16 are views which illustrate the mounting of the tube holder to the siphon body.
Tel qu'illustré par les figures 1 à 5, le siphon selon l'invention se décompose comme suit : As illustrated in FIGS. 1 to 5, the siphon according to the invention can be broken down as follows:
- un tube 8 d'entrée par laquelle l'effluent du bac sanitaire s'évacue par l'ouverture 9, le tube constituant un raccordement au bac sanitaire,  an inlet tube 8 through which the effluent from the sanitary tank is evacuated through the opening 9, the tube constituting a connection to the sanitary tank,
- un écrou 7 destiné à être vissé sur un corps de bonde rapporté sur le bac à vidanger,  a nut 7 intended to be screwed onto a body of waste attached to the container to be emptied,
- un support 6 de tube 8 comportant une portion d'étanchéité 29 guidant ledit tube 8 d'entrée, ce support 6 comportant un ensemble de fonction 18, avec une partie 28 destinée à être clippée sur le corps 1 ,  a tube support 8 comprising a sealing portion 29 guiding said inlet tube 8, this support 6 comprising a function assembly 18, with a portion 28 intended to be clipped onto the body 1,
- un corps 1 principal intégrant la fonction d'aération, un parcours délimité permettant le cheminement de l'air destiné à annuler la dépression existante dans la conduite d'évacuation.  - A main body 1 incorporating the ventilation function, a defined path for the flow of air for canceling the existing vacuum in the exhaust pipe.
- un culot 10 à vissage rapide  a quick-screwing cap
Plusieurs points sont particuliers dans le corps 1 qui regroupe les entrées d'air 16, la surface 15 sur laquelle vient se positionner le clapet 2, la relation en air formée par le canal 17 et l'orifice 12 avec la sortie 1 1 du corps 1 du siphon, un tube plongeur 5 définissant la valeur de la garde d'eau, un système de réception en sortie d'un écrou rapide pour raccorder à la conduite d'évacuation, un filetage permettant de raccorder en partie basse du corps 1 le culot 10. Several points are particular in the body 1 which groups the air inlets 16, the surface 15 on which is positioned the valve 2, the air relationship formed by the channel 17 and the orifice 12 with the outlet 1 1 of the body 1 of the siphon, a dip tube 5 defining the value of the water guard, a receiving system at the outlet of a quick nut to connect to the discharge pipe, a thread for connecting the lower part of the body 1 the base 10.
Fonctionnement du système proposé : Operation of the proposed system:
Lors de la vidange (voir figure 3), l'effluent s'écoule par l'ouverture 9 du tube 8 d'entrée en partie haute du siphon. Cet effluent passe ensuite par le tube plongeur 5 lié au corps 1 du siphon, s'engouffre dans le culot 10 puis remonte dans le corps 1 pour s'échapper par la sortie 1 1 du corps 1 vers la conduite d'évacuation non représentée. Dans le cas où la conduite d'évacuation 1 1 subit en fin d'écoulement un phénomène de dépression, il y a « aspiration » de l'eau dans le culot 10 à concurrence de l'apport d'air qui est permis par l'ouverture du clapet 2 situé en partie haute du corps 1 .  During the emptying (see Figure 3), the effluent flows through the opening 9 of the inlet tube 8 at the top of the siphon. This effluent then passes through the dip tube 5 connected to the body 1 of the siphon, rushes into the base 10 and then back in the body 1 to escape through the outlet 1 1 of the body 1 to the evacuation pipe not shown. In the case where the evacuation pipe 1 1 undergoes at the end of the flow a depression phenomenon, there is "suction" of the water in the base 10 to the extent of the air supply which is permitted by the opening of the valve 2 located in the upper part of the body 1.
En d'autres termes, le clapet est destiné à réguler une admission d'air par les ouvertures 3 et 16 vers la sortie 1 1 reliée à une conduite d'évacuation. In other words, the valve is intended to regulate an air intake through the openings 3 and 16 to the outlet 1 1 connected to a discharge pipe.
Le cheminement de l'apport d'air est le suivant : The flow of air intake is as follows:
En sortie 1 1 du corps 1 se trouve le raccordement à la conduite d'évacuation aval. Lorsqu'en fin d'écoulement une dépression s'installe dans la sortie 1 1 , elle existe également dans la chambre 13 située entre le support 6 du tube 8 et le haut du corps 1 . Une ou des entrées d'air 16, 3 se trouvant sur le corps du siphon 1 et sur le support 6 de tube 6 permettent, si le clapet 2 se soulève, à l'air de s'engouffrer dans la chambre 13 puis de migrer via le canal 17 puis l'orifice 12 vers la sortie 1 1 du corps 1 , le canal 17 débouchant dans la chambre 13 entre les deux extrémités 23 du clapet 2. Cela permet à la dépression présente dans la sortie 1 1 de s'équilibrer face au différentiel de niveau de l'effluent dans le tube plongeur 5. Lorsque la dépression s'annule (le niveau de l'effluent dans la conduite 5 remonte), le clapet 2 reprend sa position basse (retombe) et ré-obture l'entrée d'air 16. At the outlet 1 1 of the body 1 is the connection to the downstream discharge pipe. When at the end of the flow a depression is installed in the outlet 1 1, it also exists in the chamber 13 located between the support 6 of the tube 8 and the upper body 1. One or more air inlets 16, 3 on the body of the siphon 1 and on the support 6 of the tube 6 allow, if the valve 2 is raised, air to rush into the chamber 13 and then migrate via the channel 17 and the orifice 12 to the outlet 1 1 of the body 1, the channel 17 opening into the chamber 13 between the two ends 23 of the valve 2. This allows the vacuum present in the outlet 1 1 to equilibrate the difference in level of the effluent in the dip tube 5. When the depression is canceled (the level of the effluent in line 5 rises), the valve 2 resumes its low position (falls) and re-closes the air inlet 16.
Pour le mouvement du clapet 2, la particularité est d'avoir un clapet 2 de forme annulaire non continue, ou fendu, ce clapet étant destiné à être placé dans la chambre 13 de façon concentrique autour de l'axe vertical d'écoulement de l'effluent dans le tube 8. La forme annulaire fendue forme ainsi un anneau non continu pour constituer deux branches 31 et 32 se terminant par les extrémités 23.  For the movement of the valve 2, the peculiarity is to have a valve 2 of non-continuous annular shape, or split, this valve being intended to be placed in the chamber 13 concentrically around the vertical axis of flow of the The slotted annular shape thus forms a non-continuous ring to form two branches 31 and 32 terminating in the ends 23.
Les deux extrémités 23 du clapet 2 (figure 8) ne sont pas reliées. Elles peuvent donc se soulever indépendamment l'une de l'autre en cas de dépression dans la chambre 13, tel que cela apparaît sur la figure 6.  Both ends 23 of the valve 2 (Figure 8) are not connected. They can therefore lift independently of each other in case of depression in the chamber 13, as shown in Figure 6.
En se soulevant par les extrémités 23, il est remarquable que l'air passe entre le dessous du clapet et la surface 15, ainsi que par les espaces situés au contour du clapet 2, espaces entre la couronne externe 19 et la paroi centrale 30 délimitant l'ouverture 4. Le clapet 2 n'est pas obligé de se soulever d'un seul tenant, mais peut se soulever localement en extrémité 23 en se courbant, dirigeant ainsi l'air de la chambre 13 vers le canal 17 puis l'orifice 12 débouchant dans la sortie 1 1  By lifting by the ends 23, it is remarkable that the air passes between the underside of the valve and the surface 15, and by the spaces located in the contour of the valve 2, spaces between the outer ring 19 and the central wall 30 delimiting the opening 4. The valve 2 is not required to lift in one piece, but can lift locally end 23 bending, thus directing the air from the chamber 13 to the channel 17 and the orifice 12 opening into the outlet 1 1
Il est également possible d'avoir deux branches 31 , 32 de clapets indépendants. En effet, au lieu avoir seul clapet 2, il est possible d'avoir deux branches 31 , 32 faisant unitairement office de clapets, de dureté / souplesse différentes, par exemple, la liaison 33 en figure 9 n'existerait pas laissant les branches 31 , 32 indépendantes l'une de l'autre. It is also possible to have two branches 31, 32 of independent valves. Indeed, instead of having only one valve 2, it is possible to have two branches 31, 32 unitarily act as valves of different hardness / flexibility, for example, the connection 33 in Figure 9 would not exist leaving the branches 31 , 32 independent of each other.
Lorsque le niveau d'eau monte dans l'orifice 12, une contre pression s'installe dans la chambre 13, plaquant le clapet 2 sur la surface 15 (figure 1 1 ). De fait, la montée de l'effluent se réalise que lentement pour au final établir une surpression dans la chambre 13 générant une étanchéité entre le clapet 2 et les entrées d'air 16 qui empêche l'effluent de refouler vers l'extérieur ambiant.  When the water level rises in the orifice 12, a back pressure is installed in the chamber 13, pressing the valve 2 on the surface 15 (Figure 1 1). In fact, the rise of the effluent is realized only slowly to finally establish an overpressure in the chamber 13 generating a seal between the valve 2 and the air inlets 16 which prevents the effluent from discharging to the outside ambient.
Pour ce qui est du montage, le support 6 du tube 8 est constitué d'une partie plastique rigide sur laquelle un matériau souple est surmoulé.  As regards the mounting, the support 6 of the tube 8 consists of a rigid plastic part on which a flexible material is overmolded.
La partie centrale constituée par le matériau souple 29 du support 6 est constituée par une ouverture circulaire, qui vient ceinturer le tube 8 d'évacuation. Ce support de tube 8 comporte une partie 28 qui vient se clipper sur les ergots 18 en recouvrement du corps de siphon 1 établissant ainsi une étanchéité sur la couronne externe 19 et la paroi centrale 30. L'étanchéité est réalisée par pression d'une portion souple 34 sur la paroi centrale 30 et d'une partie annulaire souple 27 sur la couronne externe 19 du corps de siphon 1 .  The central portion formed by the flexible material 29 of the support 6 is constituted by a circular opening, which surrounds the evacuation tube 8. This tube support 8 comprises a portion 28 which is clipped on the lugs 18 in overlap of the siphon body 1 thus establishing a seal on the outer ring 19 and the central wall 30. The sealing is carried out by pressing a portion flexible 34 on the central wall 30 and a flexible annular portion 27 on the outer ring 19 of the siphon body 1.
En figure 5 est visible le clapet 2, en position de repos s'appliquant sur la surface 15 En figure 6 le clapet 2 est en position levée. Il est visible que les ouvertures - entrées d'air 16 - sont libérées et peuvent laisser passer l'air de l'extérieur vers la chambre 13. Ces ouvertures 16 sont réalisées dans la surface 15. Cette surface 15 est légèrement pentue de manière à ce que s'il y ait de l'effluent sur le clapet 2 au repos, qu'il puisse s'évacuer par le canal 17 d'admission vers l'orifice 12 puis la sortiel 1 .  In Figure 5 is visible the valve 2, in the rest position applying to the surface 15 In Figure 6 the valve 2 is in the raised position. It is visible that the openings - air inlets 16 - are released and can pass the air from the outside to the chamber 13. These openings 16 are formed in the surface 15. This surface 15 is slightly sloping so as to if there is any effluent on the valve 2 at rest, it can be evacuated through the intake channel 17 to the port 12 and then the outlet 1.
Un ergot 14 sur la surface 15 permet le bon positionnement - détrompage - du clapet 2. A lug 14 on the surface 15 allows the correct positioning - keying - of the valve 2.
En figure 7 se présente par une face de dessus le clapet 2, lequel comporte une ouverture 20 dans laquelle vient se loger l'ergot 14 (figure 5). Tel qu'illustré par la figure 9, le clapet 2 comporte un plan 33 avec plus particulièrement une zone présentant un plan 21 en décaissement délimitée dans sa majorité du pourtour par un rebord 22 qui est le prolongement du plan 33 (les rebords 22 et le plan 33 étant ainsi au même niveau). Ce rebord 22 permet, si l'effluent est présent sur le plan 21 , de le canaliser vers l'extrémité 23 puis vers le canal 17 prolongé par l'orifice 12 puis vers la sortie 1 1 . Ce cas est possible si la canalisation d'évacuation est bouchée ou limitée en débit par un bouchon l'écoulement se fait mal In Figure 7 is presented by a top surface of the valve 2, which has an opening 20 in which lug 14 is housed (Figure 5). As illustrated by FIG. 9, the valve 2 comprises a plane 33 with more particularly a zone having a plan 21 disbursement delimited in its majority of the periphery by a flange 22 which is the extension of the plane 33 (the flanges 22 and the plane 33 is thus at the same level). This rim 22 allows, if the effluent is present on the plane 21, to channel it towards the end 23 and then towards the channel 17 extended by the orifice 12 and then towards the outlet 11. This case is possible if the drainage pipe is clogged or limited in flow by a plug the flow is bad
En figure 8 se présente le clapet en perspective vue de dessous, sa surface inférieure 25 venant s'appliquer sur la surface 15 en obturant ainsi les ouvertures 16 d'entrées d'air.  In Figure 8 is the valve in perspective seen from below, its lower surface 25 being applied on the surface 15 thus closing the openings 16 of air inlets.
Egalement, les deux branches 31 , 32 du clapet 2 peuvent être d'épaisseur et forme / géométrie différentes. Ainsi il est possible d'avoir des mouvements d'ampleurs différentes entre les branches 31 , 32 du clapet 2 et donc de s'ouvrir différemment pour une même dépression dans la chambre 13. Le soulèvement des branches 31 , 32 se réalise par une courbure de la branche, la partie médiane du clapet comprenant l'ouverture 20 dans laquelle vient s'insérer le téton 14 restant sensiblement en contact avec la surface 15 Also, the two branches 31, 32 of the valve 2 may be of different thickness and shape / geometry. Thus it is possible to have movements of different magnitudes between the branches 31, 32 of the valve 2 and thus to open differently for the same depression in the chamber 13. The lifting of the branches 31, 32 is achieved by a curvature the branch, the middle part of the valve comprising the opening 20 in which is inserted the stud 14 remaining substantially in contact with the surface 15
En figure 9 est visible un rajout de matière sur la face inférieure du clapet 2 destiné à alourdir ce dernier. Dans ce cas les deux bulbes 24 visibles sur la figure 10 permettent de venir s'insérer dans les ouvertures 16 pour assurer une meilleure étanchéité entre la surface inférieure 25 du clapet 2 et la surface 15 d'appui du corps de siphon 1 .  In Figure 9 is visible an addition of material on the underside of the valve 2 for weighing it. In this case, the two bulbs 24 visible in FIG. 10 make it possible to fit into the openings 16 to ensure a better seal between the lower surface 25 of the valve 2 and the bearing surface 15 of the siphon body 1.
Une autre manière d'alourdir figure 12, sans modifier la capacité du clapet 2 à se courber est d'ajouter des rabats 26 en extrémité. Ces rabats 26 viennent prendre place dans le canal 17  Another way of weighing down figure 12, without modifying the capacity of the valve 2 to bend is to add flaps 26 at the end. These flaps 26 take place in the channel 17
En figures 13 et 14 apparaissent les passages 3 et 16 qui permettent à l'air de s'introduire dans la chambre 13 du siphon. Sur le corps 1 vient se clipper en la partie 28 du support 6 qui comporte une grande ouverture 3 qui donne accès à l'ouverture 16 située sur le corps 1 . Ainsi l'air peut s'introduire dans la chambre 13 lorsque le clapet 2 n'obture plus les entrées d'air 16. Le support 6 comporte un joint surmoulé qui s'applique par pression lors du montage sur la couronne externe 19 et la paroi centrale 30. Ainsi, la chambre 13 n'a de liaison vers l'extérieur ambiant que par les ouvertures 16 et 3.  In Figures 13 and 14 appear the passages 3 and 16 which allow the air to enter the chamber 13 of the siphon. On the body 1 is clipped into the portion 28 of the support 6 which has a large opening 3 which gives access to the opening 16 located on the body 1. Thus, the air can be introduced into the chamber 13 when the valve 2 no longer obstructs the air inlets 16. The support 6 has an overmoulded seal which is applied by pressure when mounted on the outer ring 19 and the Thus, the chamber 13 has an outward connection to the outside only through the openings 16 and 3.
Les figures 15 et 16 illustrent le mode d'étanchéité entre le support 6 présenté à l'envers (figure 15) et le corps 1 . Le support de tubulure possède une géométrie de joint surmoulé, plus précisément en son centre une couronne constitué par le matériau souple 29 qui réalise l'étanchéité entre le tube 8 d'entrée et le support 6, une portion souple 34 du joint surmoulé qui vient en appui sur la paroi centrale 30 du corps 1 et une partie annulaire souple 27 venant en appui sur la couronne externe 19 du corps 1 . Ainsi une étanchéité est réalisée entre le support de tubulure 6 et le corps 1 . La chambre 13 est normalement étanche vers l'extérieur ambiant du siphon si le clapet 2 est bien appliqué sur les entrées d'air 16.  Figures 15 and 16 illustrate the sealing method between the support 6 presented upside down (Figure 15) and the body 1. The tubular support has a molded joint geometry, more precisely in its center a ring formed by the flexible material 29 which seals between the inlet tube 8 and the support 6, a flexible portion 34 of the overmolded seal which comes resting on the central wall 30 of the body 1 and a flexible annular portion 27 bearing on the outer ring 19 of the body 1. Thus a seal is made between the tubular support 6 and the body 1. The chamber 13 is normally sealed towards the outside of the siphon if the valve 2 is correctly applied to the air inlets 16.

Claims

REVENDICATIONS
1 Siphon à garde d'eau et mise à l'air libre pour anti siphonage comportant un raccordement à un bac sanitaire et une sortie (1 1 ) à une conduite d'évacuation, un clapet (2) de forme annulaire placé dans une chambre (13) dans le corps (1 ) du siphon de façon concentrique autour de l'axe vertical d'écoulement de l'effluent dans le tube (8), clapet (2) destiné à réguler une admission d'air par les ouvertures (16), (3) vers la sortie (1 1 ) reliée à une conduite d'évacuation, 1 Siphon with water retention and venting for anti-siphoning comprising a connection to a sanitary tank and an outlet (1 1) to a discharge pipe, a valve (2) of annular shape placed in a chamber (13) in the body (1) of the siphon concentrically around the vertical axis of flow of the effluent in the tube (8), valve (2) for regulating an admission of air through the openings ( 16), (3) to the outlet (1 1) connected to a discharge pipe,
caractérisé en ce que ledit clapet (2) de forme annulaire est fendu de manière à former un anneau non continu pour constituer deux branches (31 ) et (32) se terminant par des extrémités (23). characterized in that said annular valve (2) is slotted to form a non-continuous ring to form two branches (31) and (32) terminating in ends (23).
2 Siphon selon la revendication 1 , caractérisé en ce que les branches (31 ), (32) du clapet (2) se déforment sous l'action d'une dépression dans la chambre (13) de manière à libérer les entrées d'air (16). 2 siphon according to claim 1, characterized in that the branches (31), (32) of the valve (2) deform under the action of a vacuum in the chamber (13) so as to release the air inlets (16).
3 Siphon selon l'une quelconque des revendications précédentes, caractérisé en ce que les branches (31 ), (32) du clapet (2) comportent un plan (21 ) en contrebas d'un plan (33) délimité par des rebords (22) de même niveau que le plan (33). 3 Siphon according to any one of the preceding claims, characterized in that the branches (31), (32) of the valve (2) comprise a plane (21) below a plane (33) defined by flanges (22). ) of the same level as the plane (33).
4 Siphon selon la revendication 1 , caractérisé en ce qu'un canal (17) débouche dans la chambre (13) entre les deux extrémités (23) du clapet (2). 5 Siphon selon la revendication 1 , caractérisé en ce qu'un support de tubulure (6) est clippé par recouvrement sur le corps (1 ) du siphon, l'étanchéité se réalisant par pression d'une portion souple (34) sur une paroi centrale (30) et d'une partie annulaire souple (27) sur une couronne externe (19) du corps de siphon (1 ). 4 Siphon according to claim 1, characterized in that a channel (17) opens into the chamber (13) between the two ends (23) of the valve (2). 5 siphon according to claim 1, characterized in that a tubular support (6) is clipped by overlap on the body (1) of the siphon, the sealing being achieved by pressure of a flexible portion (34) on a wall central (30) and a flexible annular portion (27) on an outer ring (19) of the siphon body (1).
EP18759993.1A 2017-11-02 2018-07-18 Vented siphon Active EP3704320B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18759993T PL3704320T3 (en) 2017-11-02 2018-07-18 Vented siphon

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1760311A FR3072983B3 (en) 2017-11-02 2017-11-02 SIPHON WITH FREE AIR
PCT/FR2018/051828 WO2019086772A1 (en) 2017-11-02 2018-07-18 Vented trap

Publications (2)

Publication Number Publication Date
EP3704320A1 true EP3704320A1 (en) 2020-09-09
EP3704320B1 EP3704320B1 (en) 2021-08-25

Family

ID=63405243

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18759993.1A Active EP3704320B1 (en) 2017-11-02 2018-07-18 Vented siphon

Country Status (6)

Country Link
EP (1) EP3704320B1 (en)
CN (1) CN111295487B (en)
ES (1) ES2895000T3 (en)
FR (1) FR3072983B3 (en)
PL (1) PL3704320T3 (en)
WO (1) WO2019086772A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH191189A (en) * 1936-10-01 1937-06-15 Similor Sa Ventilation device for siphon.
FR1373089A (en) 1963-07-27 1964-09-25 Non-priming siphon
SE433862C (en) 1977-08-31 1990-02-16 Sture Ericson HYDRAULIC INSTALLATION FOR DISPOSAL OF WASTEWATER
FR2402140A1 (en) * 1977-08-31 1979-03-30 Ericson Sture Ventilated, siphon sealed, drain water collection pot - has valve preventing air leaving but allowing it to enter when internal pressure drops
GB2041422B (en) 1979-01-30 1983-02-09 Mcalpine & Co Ltd Liquid sealing traps
BE891095R (en) 1981-11-12 1982-03-01 Ericson Sture SANITARY WASTEWATER SYSTEM WITH SIPHON
EP1026329A1 (en) * 1999-02-03 2000-08-09 Kurt Sture Birger Ericson Air admittance valve for sanitary waste pipe system
JP4066011B2 (en) 2002-07-01 2008-03-26 株式会社カクダイ Floor drain trap
US20040040080A1 (en) * 2002-08-30 2004-03-04 American Standard, Inc. Toilet assembly
JP4063851B2 (en) * 2006-04-13 2008-03-19 前澤化成工業株式会社 Intake valve
EP2224066A1 (en) * 2009-02-25 2010-09-01 Studor S.A. Air admittance valve
KR101333988B1 (en) 2012-05-09 2013-11-27 김홍일 Vent Trap Available in Several Type of Sewage and Waste Water Pipe
EP2840285B1 (en) * 2013-08-24 2017-04-19 Andreas Stihl AG & Co. KG Aerating valve for a fluid container
GB201317021D0 (en) * 2013-09-25 2013-11-06 Mcalpine & Co Ltd Improved trap
JP6265035B2 (en) * 2014-04-30 2018-01-24 株式会社オンダ製作所 Ventilation valve device
JP6447415B2 (en) * 2015-08-24 2019-01-09 株式会社オンダ製作所 Drain pipe vent valve

Also Published As

Publication number Publication date
WO2019086772A1 (en) 2019-05-09
FR3072983B3 (en) 2019-12-20
CN111295487A (en) 2020-06-16
FR3072983A3 (en) 2019-05-03
ES2895000T3 (en) 2022-02-16
CN111295487B (en) 2021-06-18
PL3704320T3 (en) 2022-01-03
EP3704320B1 (en) 2021-08-25

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