EP0063701B1 - Méthode de chasse d'eau pour water-closet et dispositif pour la réalisation de la méthode - Google Patents

Méthode de chasse d'eau pour water-closet et dispositif pour la réalisation de la méthode Download PDF

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Publication number
EP0063701B1
EP0063701B1 EP82102657A EP82102657A EP0063701B1 EP 0063701 B1 EP0063701 B1 EP 0063701B1 EP 82102657 A EP82102657 A EP 82102657A EP 82102657 A EP82102657 A EP 82102657A EP 0063701 B1 EP0063701 B1 EP 0063701B1
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EP
European Patent Office
Prior art keywords
water
air
pressure
flushing
pressure vessel
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
Application number
EP82102657A
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German (de)
English (en)
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EP0063701A1 (fr
Inventor
Herbert Dr. Jovy
Wilhelm Schuster
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ERMITAL AG
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ERMITAL AG
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Filing date
Publication date
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Priority to AT82102657T priority Critical patent/ATE9920T1/de
Priority to JP6945182A priority patent/JPS5813838A/ja
Publication of EP0063701A1 publication Critical patent/EP0063701A1/fr
Application granted granted Critical
Publication of EP0063701B1 publication Critical patent/EP0063701B1/fr
Expired legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D3/00—Flushing devices operated by pressure of the water supply system flushing valves not connected to the water-supply main, also if air is blown in the water seal for a quick flushing
    • E03D3/10—Flushing devices with pressure-operated reservoir, e.g. air chamber

Definitions

  • the invention relates to a method for flushing toilets, in which water and air are conveyed from a pressure vessel via an outlet valve and an outlet pipe into a toilet bowl.
  • the invention further relates to a device for performing the method in which a pressure vessel for rinsing water and compressed air cushion located above it is connected via an inlet to a water pipe and an air supply and can be emptied into a toilet bowl via an outlet which can be closed by an outlet valve.
  • an open box is provided as a container for the flushing water, which is either arranged directly above the toilet bowl and opens into the inlet of this toilet bowl via a short flush pipe bend, or approx. 1.20 m to 1.50 m above the toilet bowl mounted and connected to it by an irrigation pipe with an inlet bend.
  • the flushing pressure is determined by the height of the water and is comparatively low. Large amounts of water are required for hygienic operation, which vary between 9 I and 14 I per rinsing cycle, depending on the device type.
  • Hanging cisterns give the water a higher kinetic energy and therefore have a 10% to 15% lower water consumption than low-hanging cisterns. However, they require major investments when installing the flushing pipe and are hardly installed anymore for aesthetic reasons.
  • Pressure flushers have also been known for some time, which are connected directly to a water pipe without an intermediate container and which flush with the full line pressure of approx. 4.5 bar. With these devices a high water speed and good splitting effect are achieved. The amount of water used during rinsing can be largely metered and thus kept low.
  • a disadvantage of flushing valves is that, in order to maintain a large, rapidly flowing amount of water for the entire supply lines, pipe cross sections are required which go considerably beyond the normal dimension. Furthermore, the flushing effect is influenced by the pipe cross-section and fluctuations in the line pressure.
  • a water rinsing device which also works on the injector principle. With this device, outside air is drawn in directly from the flushing pipe.
  • An upright cylindrical container is provided for the rinse water and there is an air cushion above the rinse water.
  • the injector itself is arranged inside the flushing water and essentially consists of a block with a bore running axially to the container axis, which conveys water and air into the interior of the container.
  • the axial hole in the block is narrowed in the middle and this narrowing is connected to a suction hole for air via a thin channel. As already mentioned, this suction hole leads into the flushing pipe via a connecting line.
  • an injector designed in this way cannot work satisfactorily.
  • the sucked-in air flow is accelerated several times by the constriction, but slows down again in the subsequent expansion of the axial bore and from there reaches the flushing water, where it has to work against the pressure of the water column. If the outflowing water opposes a resistance during the flushing process, the injector becomes almost ineffective.
  • the suction hole in the air supply is connected to the flushing pipe, only water is initially conveyed when the flushing flap is opened. As a result, the injector initially draws practically no air, but only water from the suction hole, which is connected to the flushing or drain pipe. Air is only pumped when the flushing water has completely drained into the toilet bowl and the flushing flap closes.
  • the object of the invention is to provide a method for flushing the toilet with water and air which brings optimum flushing action with minimal water consumption and which can be carried out with a device whose pressure vessel has minimal dimensions and relatively simple and less prone to failure components.
  • This object is achieved by a method of the type mentioned in the introduction of air and water at a container internal pressure of at most 3 bar and only water alone at more than 3 bar into a pressure cushion space of the pressure container.
  • a device for carrying out the method consists of a pressure vessel for rinsing water and a compressed air cushion located above it, which is connected via an inlet to a water pipe and an air supply and can be emptied in a toilet bowl via an outlet which can be closed by an outlet valve and which is characterized in that that the air-water inlet opens into an inlet in the area of the pressure cushion space of the pressure container.
  • the components of the device according to the invention are relatively simple and easily accessible since they are not housed in the pressure vessel.
  • the flushing device is separated from the water supply network by the intermediate pressure vessel and the air in the pressure vessel is under the pressure prevailing in the network. It forms a resilient pressure cushion and can absorb pressure surges when the dishwasher is operated. Adverse effects on the water supply network cannot occur as a result. Because of its design as a pressure vessel, the water container can be arranged in almost any position with respect to the toilet bowl and can be of any shape, so that it is possible to build very compact devices.
  • FIG. 1 shows a water closet 1 which is equipped with the flushing device according to the invention.
  • This consists of a closed pressure vessel 2 for the rinsing water 3 and an air cushion 23 located thereon.
  • the pressure vessel 2 is spherical in the exemplary embodiment according to FIG. 1 and is arranged above the toilet bowl 4. Any other shape and position of the pressure vessel 2 is also possible, for example as an elongated cylinder which can also be installed in the base 5 of the water closet 1 below the toilet bowl 4.
  • FIGS. 3 to 5 Various embodiments are shown in FIGS. 3 to 5, which will be discussed further below.
  • the pressure vessel 2 is filled via an inlet 6 connected to the water supply network, which opens into the area of the pressure cushion space, for example at the top 7 of the pressure vessel 2.
  • An injector 8 is arranged in the inlet 6, through which air flows into the pressure vessel 2 together with the inflowing water flows in.
  • the injector 8 is, for example, a conventional water jet pump, the suction side 9 of which communicates with the outside air and is closed by a check valve 10. Water flowing through the injector 8 into the pressure vessel 2 creates a negative pressure on the suction side 9, through which the back check valve 10 is opened. In this way, air is sucked into the injector 8, which mixes with the water flowing in from the inlet 6 and is conveyed into the pressure vessel 2 through an air-water inlet 6 '.
  • the negative pressure generated collapses and the check valve 10 closes. This prevents water from flowing out of the injector 8 to the outside.
  • Disinfectant and / or odor-improving substances can also be mixed with the air in the injector 8 together with the air.
  • corresponding storage containers 58 are provided on the suction side 9 of the injector 8 between the line 57 communicating with the outside air and the injector 8, the contents of which are sucked in together with air.
  • shut-off valve 11 In the inlet 6 connected to the water supply network, a shut-off valve 11 is arranged in front of the injector 8, through which the water closet 1 is separated from the water supply network for assembly or maintenance work. Shut-off valves 11 of this type are known and customary for other types of water closets.
  • the inlet 6 always opens into an inlet 12 leading into the pressure cushion space 23, expediently at the top 7 of the pressure container 2.
  • An outlet valve 15, which is actuated to initiate the flushing process, is preferably arranged at the lowest point of the bottom 14 of the pressure container 2.
  • a lever 16 is used, which is gripped at a button 17 and depressed. Constructive features of a preferred embodiment of this outlet valve 15 will be described in detail below.
  • An outlet bend 18 leads from the outlet valve 15 to the water closet 1.
  • the outlet bend 18 opens into an opening 19 above the toilet bowl 4 in such a way that a water jet emerging from it flushes the debris in the toilet bowl 4 into an outlet 20.
  • the outlet 20 is connected to the sewer network via a pipe 21.
  • An operating cycle of the flushing device proceeds as follows. After a rinsing process, the pressure vessel 2 is empty or only partially filled. It contains a residual amount of water and air under atmospheric pressure (1 bar). Due to the line pressure in the inlet 6 of approx. 4.5 bar (normal pressure), water is therefore pressed through the injector 8 into the pressure vessel 2. The water flow on the suction side 9 of the injector 8 creates a negative pressure, the check valve 10 opening. Air is sucked in, which mixes with the inflowing water and is conveyed into the pressure vessel 2 in addition to the air already present in the pressure vessel 2. The air-water mixture generated in the injector 8 segregates in the pressure vessel 2, the air rising to the top.
  • Air and water are fed into the pressure vessel 2 until the internal pressure of the vessel has risen to a maximum of 3 bar.
  • the internal pressure rises i.e. above 3 bar
  • only water is pumped.
  • the air trapped in the pressure vessel 2 is compressed by the rising water column.
  • the difference between the line pressure in the inlet 6 and the pressure prevailing in the pressure vessel 2 decreases.
  • the water flow passing through the injector 8 slows down and the suction power decreases.
  • the negative pressure on the suction side 9 of the injector 8 collapses and the check valve 10 closes. Thereafter, water continues to flow through inlet 6 and injector 8 with a slow flow until full pressure equalization has been established.
  • An air cushion 23 is thus formed above the water level 22 in the pressure vessel 2, which is under the full water line pressure. Fluctuations in the line pressure are absorbed by changes in the level of the water level 22. The locked-in amount of air is retained for any length of time until the flushing process is initiated.
  • the outlet valve 15 on the bottom 14 of the pressure vessel 2 is opened.
  • the pressure surges that occur during valve actuation are absorbed by the compressible air cushion 23 in the pressure vessel 2 and are not passed on to the line network.
  • the flushing water 3 stored in the pressure vessel 2 is accelerated by the pressure of the air cushion 23 and conveyed into the water closet 1 via the outlet arch 18. This achieves a high flow rate and a good splitting effect.
  • water With the pressure drop occurring in the pressure vessel 2, water immediately begins to flow in from the inlet 6, and as soon as a sufficient flow rate has been reached, the injector action also starts again.
  • the outlet valve 15 only closes when a noticeable amount of air-water mixture has subsequently flowed into the pressure vessel 2 and exited through the outlet valve 15, since, according to the findings of an embodiment of the present invention, this air-water mixture in particular is excellent Rinsing effect.
  • FIG. 2 A preferred embodiment of an outlet valve 15 is shown in FIG. 2.
  • This outlet valve 15 allows the desired amount of rinse water to be metered in two stages. On the one hand, it is possible to carry out a partial rinse with only part of the rinsing water 3 stored in the pressure vessel 2. On the other hand, a full flush can also be triggered while the pressure vessel 2 is almost completely empty. Alternatively, there are options to carry out the full flush immediately or delayed by a previous partial flush.
  • the outlet valve 15 (FIG. 2) has an axially symmetrical housing 24, along the central axis of which a piston rod 25 extends.
  • the housing 24 is through an intermediate plate 26 divided into two chambers 27, 28.
  • the first chamber 27 is assigned to the water inlet side of the valve 15. It is provided with a pipe socket 29 as a valve inlet and contains a valve cap 30 with a sealing plunger 31 arranged therein, both of which are moved by means of the piston rod 25.
  • the second chamber 28 is assigned to the water outlet side of the valve 15. It carries a corresponding pipe socket 32 as a valve outlet and accommodates a mechanism 33 for actuating the piston rod 25.
  • the intermediate plate 26 has a central bore 34 through which the piston rod 25 is guided.
  • further openings 35 are also provided which, like the central bore 34, serve for the passage of water from the chamber 27 assigned to the water inlet side into the chamber 28 assigned to the water outlet side. This passage is blocked in the closed position of the valve 15 by the valve cap 30 and the sealing plunger 31.
  • the valve cap 30 is a hollow cylinder with a bottom 36 drawn in on the underside and a fixed cover 37. In the plane of the bottom 36, an edge step 38 which is concentrically widened outward is formed on the valve cap 30. With this edge step 38, the valve cap 30 lies sealingly on the intermediate plate 26. An elastomeric ring 39 inserted into the intermediate plate 26, which surrounds the openings 35 in the intermediate plate 26, serves to seal and guide the edge step 38. The valve cap 30 is held on this elastomeric ring 39 by the water pressure in the first chamber 27. The water pressure acts on the upper side 40 of the stage 38 and the cover 37, which closes the valve cap 30 at the top.
  • Bores 42 are provided in the side wall 41 of the valve cap 30 through which water can flow into the interior of the valve cap 30. The further path of the water is blocked by the sealing plunger 31.
  • the sealing plunger 31 is axially movably guided in the interior of the valve cap 30 and is supported by means of a compression spring 43 against the cover 37 of the valve cap 30.
  • the sealing plunger 31 sits sealingly on an O-ring 44, which in turn is supported against the bottom 36 of the valve cap 30.
  • the sealing plunger 31 is held in this sealing position at the same time by the force of the compression spring 43 and the water pressure of the first chamber 27 acting inside the valve cap 30.
  • the piston rod 25 is firmly connected at one end 45 to the sealing plunger 31. It protrudes through a central opening 46 in the bottom 36 of the valve cap 30. The area around the piston rod 25 forms a passage channel for water which flows in through the bores 42 in the side wall 41 of the valve cap 30.
  • the piston rod 25 is guided in the central bore 34 of the intermediate plate 26 and a disk 47, which is arranged in the second chamber 28.
  • the disc 47 has a central bore 48, in which a pin 49 coaxially formed on the piston rod 25 runs.
  • the mechanism 33 is used to move the piston rod 25 in the axial direction. It essentially consists of a lever 16, the lever arm 50 of which is articulated to the piston rod 25 at an approximately right angle.
  • the other lever arm 51 is led out of the housing 24 in a sealing manner via a lateral connection piece 52.
  • a pivot 53 is provided in the socket 52, around which the lever 16 is pivoted by pressing a button 17. This pivoting movement is converted into an axial upward movement of the piston rod 25, which initiates the flushing process.
  • the axial movement of the piston rod 25 takes place against the force of a return spring 54.
  • the return spring 54 wraps around the piston rod 25 and is arranged in the lower chamber 28. It is supported on the one hand against the intermediate plate 26 and on the other hand against a collar 55 which is integrally formed on the piston rod 25.
  • a sleeve 56 serves as a stop, which is molded onto the cover 37 of the valve cap 30 and projects into the interior of the valve cap 30.
  • the outlet valve 15 described allows the amount of rinsing water to be metered in two stages.
  • a partial flush is triggered by gently depressing the lever 16.
  • the correspondingly short axial deflection movement of the piston rod 25 leads to a lifting of the sealing plunger 31 from the 0-ring 44 without the sealing plunger 31 reaching the stop position on the sleeve 56.
  • the water flow through the bores 42 in the side wall 41 of the valve cap 30, the opening 46 and the opening 35 of the intermediate plate 26 is released.
  • the forces of the compressed springs 43 and 54, the pressure prevailing in the upper chamber 27 and a flow pressure act on the sealing plunger 31.
  • a full flush can be triggered with this outlet valve 15 either promptly or with a delay.
  • the lever 16 is pressed down deeply for the full flush.
  • the compression spring 43 is strongly compressed by the corresponding axial movement of the piston rod 25 and the sealing plunger 31.
  • the sealing plunger 31 hits the sleeve 56 and moves beyond this stop position. This movement lifts the valve cap 30 from its sealing seat on the ring 39 opens a wide annular gap between the valve cap 30 and the intermediate plate 26 through which an additional, strong water flow passes.
  • the resulting flow pressure holds the valve cap 30 in the raised position until the pressure vessel 2 is almost completely empty. Thereafter, the valve cap 30 is returned to the sealing position by the force of the return spring 54 and the sealing plunger 31 by the combined action of the compression spring 43 and the return spring 54.
  • a partial flush is first triggered by gently depressing the lever 16 and the lever 16 is then held in place. Initially, only the sealing plunger 31 is raised into an open position for the partial flushing. During the partial rinse, water flows out of the pressure vessel 2 and the pressure in the first chamber 27 assigned to the water inlet side drops. The closing of the sealing plunger 31 which is usually triggered thereby is prevented by holding the lever 16 in the depressed position. With this holding the compression spring 43 is manually held under tension. As the pressure in the first chamber 27 drops, the force exerted on the valve cap 30 by this pressure gradually decreases until it finally becomes less than the force of the compression spring 43. The valve cap 30 is then lifted out of its sealing seat by the compression spring 43, and the full flush starts.
  • the pressure vessel 2 can take various forms and be installed at different positions because its operation is independent of the force of gravity.
  • the pressure vessel 2 is spherical and is arranged somewhat above the water closet 1, as is shown in simplified form in FIG. 3.
  • the pressure vessel 2 located above the water closet 1 according to FIG. 3 can, however, also be cylindrical, wherein the cylinder center axis according to FIG. 3 can be horizontal.
  • 4 shows a cylindrical pressure vessel 2 with a vertical central axis. This form is particularly easy to install in existing systems.
  • 5 shows an embodiment in which the entire pressure vessel 2 is installed in the ceramic part of the water closet 1, that is to say it is not visible from the outside.
  • the pressure vessel 2 can be spherical or cylindrical.
  • the flushing device can provide an excellent flushing effect with minimal water consumption. This is first achieved by flushing the water at the full pressure of the water supply network. As with the flush valve, you get by with very small amounts of water. The outlet valve described also allows this amount of water to be metered in partial rinses, prompt or delayed full rinses, so that the average water requirement drops further.
  • Technical data of a preferred embodiment of the rinsing device are summarized below.
  • the content of the pressure container is approx. 5 I.
  • the delivery capacity of the injector at 4.5 bar line pressure and fully opened outlet valve is 15 air / min. and 11.5 1 water / min.
  • the injector is sucked in at a pressure in the pressure vessel of less than 2.8 bar.
  • the rinsing time for a partial rinse is 2 s, for a full rinse 3 s.
  • the filling time for the pressure vessel is 22 s.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (10)

1. Procédé pour chasse d'eau de toilettes, dans lequel de l'eau et de l'air sont transférés à partir d'un réservoir à pression, par l'intermédiaire d'une soupape de sortie et d'un tuyau d'expulsion dans une cuvette de toilettes, procédé caractérisé en ce que, lors d'une pression intérieure de réservoir jusqu'à 3 bars, un mélange d'air et d'eau, et au-delà de 3 bars, un courant d'eau seule est introduit dans une enceinte à coussin d'air du récipient de pression.
2. Procédé suivant la revendication 1, caractérisé en ce que, lors d'une pression intérieure du réservoir inférieure à 2,2 bars, on introduit davantage d'air que d'eau dans le réservoir et, la soupape de sortie étant ouverte, un courant de post-évacuation à vitesse d'eau plus élevée est envoyé dans la cuvette.
3. Procédé suivant l'une des revendications 1 et 2, caractérisé en ce que, dans une première étape, on procède à une chasse d'évacuation partielle, et dans une seconde étape, à une chasse d'évacuation complète de la cuvette.
4. Dispositif pour l'application du procédé suivant l'une des revendications 1 et 2, dans lequel est prévu un récipient de pression (2) pour l'eau de chasse et un coussin d'air amortisseur (23) au-dessus du niveau de l'eau, relié à une conduite d'amenée d'eau et à une conduite d'amenée d'air, réservoir pouvant être vidé dans une cuvette de toilette par une conduite d'écoulement de sortie obturable par une soupape (15), dispositif caractérisé en ce que l'amenée d'air et d'eau (6') débouche dans la zone du coussin d'air (23) du réservoir de pression (2).
5. Dispositif suivant la revendication 4, caractérisé en ce que, pour l'amenée d'air et d'eau, est prévu un injecteur (8), sous la forme d'une pompe à jet d'eau, dont le côté aspiration (9) communique avec l'air extérieur, et peut être obturé par une soupape anti-retour (10).
6. Dispositif suivant la revendication 5, caractérisé en ce que, sur le côté aspiration (9) de l'injecteur (8) entre ce dernier et une conduite (57) communiquant avec l'atmosphère, sont disposés un ou plusieurs récipients de stockage (58) pour des substances désinfectantes et/ou déso- dorisantes, dont le contenu est aspiré avec l'air.
7. Dispositif suivant la revendication 4 dans lequel est prévu un réservoir de pression pour l'eau de chasse, avec un coussin d'air sous pression amortisseur de chocs, relié par un raccord d'amenée à une canalisation d'eau, et pourvu d'un raccord de sortie obturable par une soupape de sortie et débouchant dans une cuvette de toilette, dispositif caractérisé en ce que la soupape de sortie (15) est constituée, dans une première étape, pour une chasse d'évacuation partielle, et, dans une seconde étape, pour une chasse d'évacuation complète.
8. Dispositif suivant la revendication 7, caractérisé en ce que la soupape de sortie (15) consiste en un carter (24) partagé, par une plaque intermédiaire (26) en deux chambres (27, 28) dont l'une (27) est affectée du côté d'entrée d'eau, et la seconde (28) est effectuée du côté sortie d'eau, une tige de piston (25) enfichée dans la plaque intermédiaire (26), guidée à travers les deux chambres, étant articulée à une extrémité sur le levier (16) d'un organe d'actionnement (17), et reliée, par son autre extrémité, à un poussoir d'étanchéité (31), coulissant dans la chambre côté entrée d'eau, pour déplacer axialement dans une position de fermeture et une position d'ouverture, un capuchon de soupape (30) fermé d'un côté et chargé par ressort, ce capuchon de soupape (30) s'appliquant, à siège étanche, par son côté ouvert, contre la plaque intermédiaire (26), en étant obturé par celle-ci, mais pouvant être soulevé au-dessus de ce siège, la paroi du capuchon de soupape (30) ainsi que la plaque intermédiaire (26) étant pourvus de perçages (42, 35) pour le passage de l'eau.
9. Dispositif suivant la revendication 8, caractérisé en ce que, entre le poussoir d'étanchéité (31) et la paroi de fermeture (37) du capuchon de soupape (30), est disposé un ressort de compression (43).
10. Dispositif suivant la revendication 8, caractérisé en ce que la tige de piston (25) est montée, dans la chambre (28) affectée du côté de sortie d'eau, par l'intermédiaire d'un ressort de rappel hélicoïdal (54), lequel s'appuie, d'un côté, contre la plaque intermédiaire (26), et, de l'autre côté contre une bride saillante (55) qui est disposée à proximité du point d'articulation de la tige de piston (25) sur le bras de levier (50) du levier d'actionnement (16).
EP82102657A 1981-04-24 1982-03-30 Méthode de chasse d'eau pour water-closet et dispositif pour la réalisation de la méthode Expired EP0063701B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT82102657T ATE9920T1 (de) 1981-04-24 1982-03-30 Verfahren zur toilettenspuelung und vorrichtung zur durchfuehrung des verfahrens.
JP6945182A JPS5813838A (ja) 1981-04-24 1982-04-24 トイレ水洗方法および装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH271681 1981-04-24
CH2716/81 1981-04-24

Publications (2)

Publication Number Publication Date
EP0063701A1 EP0063701A1 (fr) 1982-11-03
EP0063701B1 true EP0063701B1 (fr) 1984-10-17

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EP82102657A Expired EP0063701B1 (fr) 1981-04-24 1982-03-30 Méthode de chasse d'eau pour water-closet et dispositif pour la réalisation de la méthode

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Country Link
US (1) US4510629A (fr)
EP (1) EP0063701B1 (fr)
AT (1) ATE9920T1 (fr)
DE (2) DE8117090U1 (fr)

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US1967680A (en) * 1933-01-03 1934-07-24 August F Maurer Water closet construction
US2286896A (en) * 1940-05-11 1942-06-16 Carrillo Aniceto Flushing system
US2315824A (en) * 1941-11-06 1943-04-06 Arthur O Sweeny Combined pneumatic and hydraulic water closet
US2658203A (en) * 1950-10-07 1953-11-10 Aue Johann Closet
US3149344A (en) * 1962-03-12 1964-09-22 Langdon Jesse Dyson Pneumatic and hydraulic pressure flushing apparatus
FR1371976A (fr) * 1963-07-31 1964-09-11 Appareil de chasse d'eau
FR1453687A (fr) * 1965-11-09 1966-06-03 Réservoir de chasse hydro-pneumatique, à commande perfectionnée, pour waterclosetet autres applications
US3720962A (en) * 1971-01-29 1973-03-20 Microphor Inc Flush toilet and method
US4115883A (en) * 1977-05-31 1978-09-26 Dauvergne Hector A Diaphragm activated toilet
US4232409A (en) * 1978-08-21 1980-11-11 Minh Van Pham Pneumatic assisted flushing apparatus for toilets
FR2442927A2 (fr) * 1978-09-28 1980-06-27 Anthony Alain Obturateur souple, notamment pour dispositif d'evacuation de dechets sous pression
AT363046B (de) * 1979-01-26 1981-07-10 Hutterer & Lechner Kg Vorrichtung zur spuelung einer klosettmuschel

Also Published As

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DE8117090U1 (de) 1981-11-26
ATE9920T1 (de) 1984-11-15
US4510629A (en) 1985-04-16
EP0063701A1 (fr) 1982-11-03
DE3260990D1 (en) 1984-11-22

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