ES2244358B1 - DEVICE FOR WATER SAVINGS. - Google Patents
DEVICE FOR WATER SAVINGS. Download PDFInfo
- Publication number
- ES2244358B1 ES2244358B1 ES200501177A ES200501177A ES2244358B1 ES 2244358 B1 ES2244358 B1 ES 2244358B1 ES 200501177 A ES200501177 A ES 200501177A ES 200501177 A ES200501177 A ES 200501177A ES 2244358 B1 ES2244358 B1 ES 2244358B1
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- ES
- Spain
- Prior art keywords
- movement
- shutter
- water
- opening
- temperature
- 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 - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims description 18
- 238000011084 recovery Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000036642 wellbeing Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/10—Means for additional adjustment of the rate of flow
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/01—Control of temperature without auxiliary power
- G05D23/02—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
Dispositivo para ahorro agua. Dispositivo de ahorro energético del tipo acoplable a grifos para puntos de consumo común para circuitos de agua fría y caliente, que comprende un mando accionable por el usuario y medios sensibles a la temperatura a través de los cuales se determina la posición operativa del dispositivo, caracterizado porque comprende: una carcasa acoplable a la salida del grifo; una abertura pasante para paso del agua procedente del grifo hacia consumo; un obturador de dicha abertura pasante; medios para provocar el movimiento del obturador con el consiguiente desbloqueo de la abertura pasante, y medios de control del citado movimiento del citado obturador en función de los citados medios sensibles a la temperatura.Water saving device. Energy saving device of the type attachable to taps for common consumption points for hot and cold water circuits, comprising a user-operated control and temperature sensitive means through which the operative position of the device is determined, characterized because it comprises: a housing attachable to the tap outlet; a through opening for the passage of water from the tap into consumption; a shutter of said through opening; means for causing the movement of the shutter with the consequent unlocking of the through opening, and means for controlling said movement of said shutter as a function of said temperature sensitive means.
Description
Dispositivo para ahorro de agua.Water saving device.
La presente invención está destinada a dar a conocer un dispositivo para ahorro de agua.The present invention is intended to give Know a device for water saving.
La presente invención está destinada a aumentar el ahorro de agua y el bienestar, especialmente en instalaciones de consumo de agua corriente que disponen de circuitos de agua caliente y de agua fría y de puntos de consumo comunes para ambos circuitos.The present invention is intended to increase water saving and well-being, especially in facilities running water consumption that have water circuits hot and cold water and common consumption points for both circuits
Este tipo de instalación está presente, por ejemplo, en las viviendas modernas, que actualmente disponen, en su totalidad, de agua caliente sanitaria.This type of installation is present, by example, in modern homes, which currently have, in their whole, hot sanitary water.
En estas instalaciones, cuando el usuario solicita agua caliente en un punto de consumo, habitualmente el grifo, debe esperar un cierto tiempo hasta que la temperatura del agua que sale por el punto de consumo alcanza la temperatura requerida. Esto es un inconveniente, porque el contacto con el agua fría siempre es molesto, especialmente en el caso de bebés y niños de corta edad. Por ello, habitualmente se deja salir el agua por el punto de consumo hasta que alcanza la temperatura requerida por el usuario. Esto implica un gasto innecesario de agua, en un momento en el que la preocupación de las autoridades en materia de ahorro de agua es muy grande.In these facilities, when the user request hot water at a point of consumption, usually the tap, you must wait a certain time until the temperature of the water leaving the point of consumption reaches the temperature required This is inconvenient, because contact with water cold is always annoying, especially in the case of babies and children of young age. Therefore, water is usually released through the point of consumption until it reaches the temperature required by the user. This implies an unnecessary waste of water, in a moment in which the concern of the authorities regarding Water saving is very large.
Las patentes españolas ES2219198 y ES2222848 dieron a conocer procedimientos e instalaciones de consumo de agua en las que se consigue un ahorro de agua mediante el paso de agua del circuito de agua caliente al circuito de agua fría hasta que la temperatura del agua proveniente del circuito de agua caliente alcanza una determinada temperatura. Para ello es necesario disponer de un dispositivo de ahorro de agua en el punto de consumo que permita desviar el agua proveniente del circuito de agua caliente hacia el circuito de agua fría mientras no se cumpla la condición de temperatura mínima del agua caliente requerida. En la patente ES 2219198 antes referida, se da a conocer un dispositivo de ahorro de agua que se dispone entre el punto de consumo de los circuitos de agua caliente y de agua fría y el propio grifo. Si bien los dispositivos dados a conocer en dichos documentos de patente cumplen perfectamente su función, para colaborar con el ahorro energético y en la obtención de los objetivos propuestos en dichas patentes, es altamente conveniente dar a conocer dispositivos de ahorro energético que sean de fácil instalación en las instalaciones domésticas de agua corriente actualmente existentes, y de construcción sencilla y económica.Spanish patents ES2219198 and ES2222848 disclosed procedures and facilities for water consumption in which water savings are achieved through the passage of water from the hot water circuit to the cold water circuit until the water temperature from the hot water circuit It reaches a certain temperature. For this it is necessary have a water saving device at the point of consumption that allows diverting the water coming from the water circuit warm to the cold water circuit as long as the minimum hot water temperature condition required. In the Patent ES 2219198 referred to above, a device is disclosed of water saving that is available between the point of consumption of Hot and cold water circuits and the tap itself. Yes well the devices disclosed in said documents of patent perfectly fulfill its function, to collaborate with the energy saving and in obtaining the objectives proposed in such patents, it is highly convenient to make known energy saving devices that are easy to install in domestic running water facilities currently existing, and simple and economical construction.
Para dar solución a estas necesidades, la presente invención consiste en un dispositivo de ahorro energético del tipo acoplable a grifos para puntos de consumo común para circuitos de agua fría y caliente, que comprende un mando accionable por el usuario y medios sensibles a la temperatura a través de los cuales se determina la posición operativa del dispositivo, caracterizado porque comprende:To solve these needs, the present invention consists of an energy saving device of the type attachable to taps for common consumption points for hot and cold water circuits, comprising a remote user operable and temperature sensitive media at through which the operating position of the device, characterized in that it comprises:
- una carcasa acoplable a la salida del grifo;- a housing that can be attached to the outlet of the tap;
- una abertura pasante para paso del agua procedente del grifo hacia consumo;- a through opening for water passage coming from the tap towards consumption;
- un obturador de dicha abertura pasante;- a shutter of said through opening;
- medios para provocar el movimiento del obturador con el consiguiente desbloqueo de la abertura pasante, y- means to cause the movement of the shutter with the consequent release of the through opening, Y
- medios de control del citado movimiento del citado obturador en función de los citados medios sensibles a la temperatura.- control means of said movement of the cited shutter based on the aforementioned means sensitive to the temperature.
Los citados medios sensibles a la temperatura podrán comprender un muelle termosensible.The said temperature sensitive media They may comprise a heat sensitive spring.
Los citados medios para provocar el movimiento del obturador podrán comprender un muelle.The aforementioned means to cause movement The shutter may comprise a spring.
Los citados medios de control del citado obturador podrán comprender un mecanismo de tope liberable capaz de ejercer una oposición a la fuerza ejercida por el muelle de los citados medios para provocar el movimiento del obturador.The aforementioned means of control of said shutter may comprise a releasable stopper mechanism capable of exercise an opposition to the force exerted by the pier of the said means for causing the shutter movement.
El citado mando de usuario podrá ser tal que permita al usuario situar el dispositivo en una posición en la que el paso de agua quede obturado y el citado mecanismo de tope bloquee el movimiento del mecanismo obturador.The aforementioned user command may be such that allow the user to place the device in a position where the water passage is blocked and the aforementioned stop mechanism block the movement of the shutter mechanism.
El dispositivo podrá incorporar un filtro en la salida de agua del mismo.The device may incorporate a filter in the water outlet from it.
El mecanismo de tope podrá estar constituido por una pieza de sección variable cuyo movimiento está gobernado por el muelle termosensible, provocando el movimiento de la pieza de sección variable, a su vez, el movimiento de una pieza que dispone de una corredera en la que se introduce dicha sección variable, realizando dicha pieza un tope al citado obturador, así como por medios elásticos de recuperación que aseguran el contacto de la sección variable con uno de los extremos de la corredera.The stop mechanism may be constituted by a piece of variable section whose movement is governed by the heat-sensitive spring, causing the movement of the piece of variable section, in turn, the movement of a piece that has of a slide in which said variable section is introduced, said piece making a stop to said shutter, as well as by elastic recovery means that ensure the contact of the variable section with one of the ends of the slide.
El mando podrá consistir en un botón accionable que comprime el muelle de los medios para provocar el movimiento del obturador permitiendo la colocación automática del mecanismo de tope en su posición inicial de bloqueo de la citada fuerza elástica.The command may consist of an actionable button which compresses the media spring to cause movement of the shutter allowing automatic placement of the mechanism of stop in its initial position of blocking said force elastic
De esta manera, cuando el cliente quiere agua caliente, en primer lugar acciona el mando del dispositivo y abre el grifo. Así, el dispositivo de ahorro bloquea la salida del agua del grifo hasta que el agua alcanza la temperatura requerida, momento en el que la dilatación del muelle termosensible provoca el movimiento de la cuña, que a su vez provoca el movimiento de la pieza con corredera, lo que a su vez desbloquea el mecanismo obturador, permitiendo que los medios elásticos abran la abertura pasante del dispositivo, permitiendo el paso del agua caliente hacia para su consumo. Este dispositivo resulta especialmente ventajoso en las instalaciones de consumo de agua dadas a conocer en las patentes españolas ES2219198 y ES2222848, puesto que durante el tiempo durante el que el dispositivo permanece cerrado, el agua procedente del circuito de agua caliente pasa al de agua fría para su ahorro.In this way, when the client wants water hot, first actuate the device control and open the tap. Thus, the saving device blocks the water outlet from the tap until the water reaches the required temperature, moment in which the expansion of the heat-sensitive spring causes the wedge movement, which in turn causes the movement of the piece with slide, which in turn unlocks the mechanism shutter, allowing the elastic means to open the opening device through, allowing hot water to pass through towards for its consumption. This device is especially advantageous in the water consumption facilities disclosed in Spanish patents ES2219198 and ES2222848, since during the time during which the device remains closed, the water coming from the hot water circuit passes to the cold water circuit to Your savings
El dispositivo presenta la ventaja de ser sencillo, económico, y ser aplicable a grifos actualmente instalados.The device has the advantage of being simple, economical, and be applicable to faucets currently installed.
Para su mejor compresión, se adjunta a título de ejemplo explicativo pero no limitativo, unos dibujos de una realización preferente de la presente invención.For better compression, it is attached as explanatory but not limiting example, some drawings of a preferred embodiment of the present invention.
La figura 1 muestra en perspectiva un grifo doméstico, dotado de un dispositivo objeto de la presente invención.Figure 1 shows in perspective a tap domestic, equipped with a device object of the present invention.
La figura 2 es una vista en alzado de los elementos internos del dispositivo, con el mecanismo bloqueando la salida de agua del grifo.Figure 2 is an elevation view of the internal elements of the device, with the mechanism blocking the tap water outlet.
La figura 3 se corresponde con la figura 2, en una posición en la que el muelle termosensible ha provocado la apertura del dispositivo, desbloqueando la salida de agua del grifo.Figure 3 corresponds to Figure 2, in a position in which the heat-sensitive spring has caused the device opening, unlocking the water outlet of the tap.
En las figuras puede observarse un grifo (1) al que se le ha colocado un dispositivo de ahorro de agua (2), según la presente invención, en la salida de agua del grifo. El dispositivo es acoplable a los grifos actualmente existentes en las instalaciones, simplemente mediante la sustitución del filtro que poseen los grifos en su salida de agua por el dispositivo (2), facilitando de esta manera la conversión de una instalación de agua corriente doméstica en una instalación de ahorro de agua como las indicadas en las citadas patentes ES2219198 y ES2222848.In the figures a tap (1) can be observed that a water saving device (2) has been placed, according to the present invention, in the tap water outlet. He device is attachable to the faucets currently existing in the facilities, simply by replacing the filter that they have the taps in their water outlet through the device (2), facilitating in this way the conversion of a water installation household power in a water saving facility such as indicated in the cited patents ES2219198 and ES2222848.
La constitución y funcionamiento del dispositivo (1) viene descritos a continuación haciendo referencia a las figuras 2 y 3. En dichas figuras, puede observarse un corte del dispositivo (2) objeto de la presente invención en el que se pueden apreciar sus diferentes elementos. Dicho dispositivo (2) comprende un cuerpo que, por ejemplo, puede roscarse al grifo (1) utilizando la rosca prevista para el filtro de salida de dicho grifo y comprende una abertura pasante (10) para el paso del agua, que puede ser obturada por un mecanismo obturador que comprende un obturador (9) y un muelle (6) que ejerce una fuerza que hace que el obturador (9) deje de obturar la abertura pasante (10). El movimiento del obturador (9) queda bloqueado por un mecanismo de tope que comprende una pieza de tope (12) que dispone de una corredera en la que se introduce una pieza de sección variable o cuña (13) cuyo movimiento está gobernado por la dilatación del muelle termosensible (7). Sobre la pieza de tope (12) ejerce una acción elástica un muelle de recuperación (11) que asegura que en todo momento la cuña (13) está en contacto con uno el extremo superior del agujero o corredera de la pieza (12). De esta manera se asegura que la pieza de tope (12) responde con movimientos verticales ascendentes y descendentes a los movimientos horizontales de la pieza (13). El dispositivo (2) puede disponer, además, como en el ejemplo mostrado, de un filtro (4) en la salida de agua.The constitution and operation of the device (1) is described below with reference to the Figures 2 and 3. In these figures, a section of the device (2) object of the present invention in which they can be Appreciate its different elements. Said device (2) comprises a body that, for example, can be tapped into the tap (1) using the thread provided for the outlet filter of said tap and it comprises a through opening (10) for the passage of water, which it can be sealed by a shutter mechanism comprising a shutter (9) and a spring (6) that exerts a force that causes the shutter (9) stop sealing the through opening (10). He shutter movement (9) is blocked by a mechanism of stopper comprising a stopper piece (12) having a slide in which a piece of variable section is inserted or wedge (13) whose movement is governed by the dilation of the heat sensitive spring (7). On the stop piece (12) exerts a elastic action a recovery spring (11) that ensures that in at all times the wedge (13) is in contact with one end top of the hole or slide of the piece (12). In this way it is ensured that the stop piece (12) responds with movements vertical ascending and descending movements horizontal of the piece (13). The device (2) may have, also, as in the example shown, of a filter (4) at the output of water.
El funcionamiento del dispositivo es el siguiente. Partiendo del estado con la abertura pasante (10) bloqueada, que se muestra en la figura 2, el usuario abre simultáneamente las entradas al grifo (1) provenientes de los circuitos de agua fría y de agua caliente. Esto puede realizarse de manera simple mediante el monomando de los grifos actualmente conocidos. En esta posición, la fuerza del muelle (6), que tendería a abrir la abertura (10) es anulada por el tope (12), que es empujado hacia abajo por el muelle (11).The operation of the device is the next. Starting from the state with the through opening (10) locked, shown in figure 2, the user opens simultaneously the inputs to the tap (1) coming from the cold water and hot water circuits. This can be done by simple way using the faucet mixer currently known. In this position, the force of the spring (6), which would tend to open the opening (10) is canceled by the stop (12), which is pushed down by the spring (11).
Cuando la temperatura del agua llega a un determinado nivel, como se muestra en la figura 3, el muelle termosensible (7) se dilata y provoca el movimiento de la cuña (13) que provoca el levantamiento de la pieza (12), con lo que desaparece el efecto de tope, y el muelle (6) desplaza al obturador (9), desbloqueando la abertura (10) y permitiendo que un chorro de agua caliente (5) salga del grifo a través del filtro (4) del dispositivo (2). Para una mejor respuesta del mecanismo a los cambios de temperatura, el muelle térmico puede incorporar una extensión de la sonda (8), por ejemplo, una tira o hilo de material conductor del calor, que se introduce en el interior del grifo (1).When the water temperature reaches a certain level, as shown in figure 3, the spring thermosensitive (7) dilates and causes wedge movement (13) that causes the lifting of the piece (12), which the stopping effect disappears, and the spring (6) displaces the shutter (9), unlocking the opening (10) and allowing a jet of hot water (5) out of the tap through the filter (4) of the device (2). For a better response of the mechanism to temperature changes, the thermal spring can incorporate a extension of the probe (8), for example, a strip or thread of material heat conductor, which is introduced inside the tap (one).
A partir de la posición de la figura 3, y una vez que el usuario ha cerrado el grifo (1), el usuario puede retornar, si lo desea, el dispositivo (2) a la posición de ahorro de agua de la figura 2 presionando el mando o botón (3), con lo que el dispositivo (2) queda de nuevo en disposición de ser usado.From the position of figure 3, and a Once the user has turned off the tap (1), the user can return, if desired, the device (2) to the saving position of water of figure 2 by pressing the knob or button (3), so the device (2) is again ready to be used.
Existen numerosas variaciones del ejemplo aquí mostrado y que resultarán evidentes para los expertos en la materia, quedando dentro del alcance de la presente invención. Por ejemplo, podrá dotarse al mando (6) de una ranura o pestaña (no mostrada) para poder estirar hacia fuera del mismo, de esta manera forzando manualmente al dispositivo (2) a desbloquear la abertura (10) para recuperar en el dispositivo (2) la posición de la figura 3. También será posible incorporar un mecanismo para poder determinar de manera ajustable la temperatura del agua que provoca una dilatación en el muelle termosensible (7) tal que el dispositivo se abra. Esto puede realizarse, por ejemplo, mediante una pieza giratoria dentro del dispositivo que provoque una torsión en el muelle termosensible (7) o por otro medio conocido. También será posible incluir equivalentes electrónicos a los elementos mostrados, por ejemplo sustituyendo el muelle termosensible por un termostato, y accionándose el sistema de tope mediante la señal del termostato, por ejemplo a través de una electroválvula o similar.There are numerous variations of the example here shown and that will be apparent to experts in the matter, being within the scope of the present invention. By For example, the slot (6) may be equipped with a slot or flange (not shown) to be able to stretch out of it, in this way manually forcing the device (2) to unlock the opening (10) to recover the position of the figure in the device (2) 3. It will also be possible to incorporate a mechanism to be able to to determine in an adjustable way the temperature of the water that causes a expansion in the heat-sensitive spring (7) such that the device open. This can be done, for example, by a rotating part inside the device that causes torsion at the heat-sensitive spring (7) or by other known means. Too it will be possible to include electronic equivalents to the elements shown, for example replacing the heat-sensitive spring with a thermostat, and the stop system is activated by the signal from the thermostat, for example through a solenoid valve or Similary.
Todo lo que no afecte, altere, cambie o modifique la esencia del dispositivo descrito, será variable a los efectos de la presente invención.Everything that does not affect, alter, change or modify the essence of the described device, it will be variable at Effects of the present invention.
Claims (11)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200501177A ES2244358B1 (en) | 2005-05-16 | 2005-05-16 | DEVICE FOR WATER SAVINGS. |
| ES05754732T ES2372055T3 (en) | 2004-06-15 | 2005-06-13 | INSTALLATION, DEVICE AND PROCEDURE FOR WATER SAVINGS. |
| EP05754732A EP1783284B1 (en) | 2004-06-15 | 2005-06-13 | Water-saving method, device and installation |
| PCT/ES2005/000333 WO2005124036A1 (en) | 2004-06-15 | 2005-06-13 | Water-saving method, device and installation |
| JP2007515972A JP2008502870A (en) | 2004-06-15 | 2005-06-13 | Facility, apparatus and method for saving water |
| AT05754732T ATE520830T1 (en) | 2004-06-15 | 2005-06-13 | WATER SAVING METHOD, DEVICE AND SYSTEM |
| US11/611,749 US20070095930A1 (en) | 2004-06-15 | 2006-12-15 | Installation, device and method for saving water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200501177A ES2244358B1 (en) | 2005-05-16 | 2005-05-16 | DEVICE FOR WATER SAVINGS. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2244358A1 ES2244358A1 (en) | 2005-12-01 |
| ES2244358B1 true ES2244358B1 (en) | 2007-02-01 |
Family
ID=35453110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200501177A Expired - Fee Related ES2244358B1 (en) | 2004-06-15 | 2005-05-16 | DEVICE FOR WATER SAVINGS. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2244358B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2390986A1 (en) * | 2011-01-28 | 2012-11-20 | Roca Sanitario, S.A. | Device to show the water consumption of a tap (Machine-translation by Google Translate, not legally binding) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES1281409Y (en) | 2021-07-29 | 2022-02-01 | Univ Valencia Politecnica | Water saving device for domestic hot water installations |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160461A (en) * | 1978-02-21 | 1979-07-10 | Marcel Vataru | Water and energy conservation system |
| US4697614A (en) * | 1985-09-10 | 1987-10-06 | Powers Debora L | Water conservation system |
| JPH0367975A (en) * | 1989-08-03 | 1991-03-22 | Daihatsu Motor Co Ltd | Opening-closing device in circulating-water channel |
| US5135021A (en) * | 1991-08-26 | 1992-08-04 | Pegg John L | Plumbing appliance |
| US5181656A (en) * | 1991-12-16 | 1993-01-26 | Schwerdt Gerald N | Water recirculating apparatus |
| ES1048180Y (en) * | 2000-09-27 | 2001-12-01 | Ribera Anton Pilar Y Dolores | DEVICE FOR WATER SAVINGS |
-
2005
- 2005-05-16 ES ES200501177A patent/ES2244358B1/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2390986A1 (en) * | 2011-01-28 | 2012-11-20 | Roca Sanitario, S.A. | Device to show the water consumption of a tap (Machine-translation by Google Translate, not legally binding) |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2244358A1 (en) | 2005-12-01 |
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