WO2016001774A1 - System for the storage of drinking water for human consumption - Google Patents

System for the storage of drinking water for human consumption Download PDF

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Publication number
WO2016001774A1
WO2016001774A1 PCT/IB2015/053283 IB2015053283W WO2016001774A1 WO 2016001774 A1 WO2016001774 A1 WO 2016001774A1 IB 2015053283 W IB2015053283 W IB 2015053283W WO 2016001774 A1 WO2016001774 A1 WO 2016001774A1
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WO
WIPO (PCT)
Prior art keywords
drinking water
water
human consumption
family
storage
Prior art date
Application number
PCT/IB2015/053283
Other languages
Spanish (es)
French (fr)
Inventor
Horacio Luis CANOSA
Original Assignee
Gomez, Oscar
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 Gomez, Oscar filed Critical Gomez, Oscar
Publication of WO2016001774A1 publication Critical patent/WO2016001774A1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00—Arrangements or adaptations of tanks for water supply
    • E03B11/02—Arrangements or adaptations of tanks for water supply for domestic or like local water supply
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/152—Water filtration

Definitions

  • PROBLEM POSITION In general and as it is known that one of the problems of obtaining drinking water to be consumed mainly by human beings, is the difficulty of bringing network water to all the inhabitants of the world, whether for reasons of logistics, economic, due to the absence of suitable natural resources, or very high levels of investment, so you have to look for non-traditional alternatives.
  • a system that includes at least one autonomous unit with a modular structure with different capacities, that stores enough water, according to the needs of each family, preferably applied in reduced strategic locations for all types of homes in general, being an economical storage solution, practical in its usefulness and simple maintenance because everything is within reach of the user.
  • the object of the present invention is to provide a drinking water storage system for human consumption, comprising at least one autonomous equipment, arranged in strategic locations that fulfills the functions of reserve tank for the collection and storage of drinking water from public water networks, to internal water intakes in single-family homes as well as in multi-family homes - buildings or other similar ones for the supply of drinking water to the inhabitants for various uses.
  • a drinking water storage system for human consumption comprising at least one autonomous equipment, arranged in strategic locations that fulfills the functions of reserve tank for the collection and storage of drinking water from public water networks, to internal water intakes in single-family homes as well as in multi-family homes - buildings or other similar ones for the supply of drinking water to the inhabitants for various uses.
  • new constructions come into consideration as a scope of application but a subsequent installation is also technically possible in old constructions.
  • the same equipment is connected to a mains water outlet and then channeled for its usefulness, being independent reserve lungs of drinking water supplies for human consumption but related to the internal installation network of the dwelling.
  • a filter unit is also provided prior to the reservoir equipment to treat all organic, inorganic, microorganisms, viruses, bacteria, etc., hazardous to humans, in order to ensure said contents in the waters coming from municipal networks or collective and in this way make the water to be consumed potable and comply with the national and international standards; This fact is essential for the health of human beings, one of the basic human rights and one of the pillars in reducing infant mortality and preventing individual and collective diseases.
  • Figures 1, 2 and 3 illustrate the state of the art according to typical installations known for both a house, a building and a buried cistern.
  • Figure 4 illustrates a schematic view of the system implemented in a dwelling house, where at least one potable water network (LR) outlet is seen related to the internal installation network of said dwelling by means of a flange (1) and then an internal water stopcock (2) to continue along the main pipe of upward water circulation (3) linked to at least one modular, substantially rectangular reservoir equipment, in this case for illustrative example two teams (6 ) with a filter unit (4) of said water and a cut-off sensor (5) for entering said water autonomously in visible strategic places and related to the internal distribution network of said dwellings; then it continues its route channeling the main reserve tank (7) with its respective down pipe (8).
  • LR potable water network
  • said at least one equipment comprises a receiver tank of said water with at least one tap (10) for extracting drinking water for use.
  • a receiver tank of said water with at least one tap (10) for extracting drinking water for use.
  • tap 1050 Its drinking water in that house.
  • Figure 5 illustrates a schematic view of the system implemented in a building, where multiple modular reservoir equipment (6) can be seen strategically arranged plus the main tank (7) thereof, the network line socket (LR) is also denoted ) with the help of a pumping mechanism (9), main pipe of fluid rise (3) and their respective branch sections of pipes associated with valve means (2), being defined the increase in reserve capacity on special occasions.
  • LR network line socket

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Structural Engineering (AREA)
  • Domestic Plumbing Installations (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Treatment Of Water By Ion Exchange (AREA)

Abstract

The invention relates to a system for the storage of drinking water for human consumption, for single-family or multi-family dwellings, buildings, or similar. According to the invention, the system is connected to at least one drinking water supply intake and to at least one reservoir device equipped with a filter unit and a water intake cut-off sensor, both intended to be installed in an stand-alone manner in strategic visible locations and connected to the distribution system inside said dwellings. The aforementioned at least one device comprises a tank for receiving said water, including at least one cock for discharging drinking water for use.

Description

SISTEMA DE ALMACENAMIENTO DE AGUA POTABLE PARA EL CONSUMO HUMANO  POTABLE WATER STORAGE SYSTEM FOR HUMAN CONSUMPTION
PLANTEO DEL PROBLEMA En general y como es sabido que uno de los problemas que presenta la obtención del agua potable para ser consumida principalmente por los seres humanos, es la dificultad que significa llevar agua de red a todos los habitantes del mundo, sea por razones de logística, económicas, por ausencia de recursos naturales aptos, o niveles de inversión muy elevados, por lo que hay que buscar alternativas no tradicionales. PROBLEM POSITION In general and as it is known that one of the problems of obtaining drinking water to be consumed mainly by human beings, is the difficulty of bringing network water to all the inhabitants of the world, whether for reasons of logistics, economic, due to the absence of suitable natural resources, or very high levels of investment, so you have to look for non-traditional alternatives.
Sin embargo, los recursos hídricos, aunque renovables, generalmente son limitados, constituyendo una realidad de consecuencias más o menos importantes de acuerdo a posición geográfica, lo que ha llevado, cada vez más, al desarrollo de diferentes sistemas para optimizar el uso de agua. However, water resources, although renewable, are generally limited, constituting a reality of more or less important consequences according to geographical position, which has led, increasingly, to the development of different systems to optimize water use.
Es verdaderamente traumático para cualquier hogar que el agua "se acabe", peor aún, cuando hay corte de energía eléctrica, roturas de cañería maestras de agua u otros motivos, en donde no llega el agua de la red municipal hidráulica de agua potable. It is truly traumatic for any home that the water "runs out", even worse, when there is a power outage, breakage of main water pipes or other reasons, where the water from the municipal drinking water hydraulic network does not reach.
Este problema se da en las casas si hay un corte de 12 horas, dado que todas tienen una capacidad de almacenamiento que no se usa en un solo día. (ver figura 3, correspondiente al arte previo) This problem occurs in homes if there is a cut of 12 hours, since they all have a storage capacity that is not used in a single day. (See figure 3, corresponding to the prior art)
La falta de luz y agua es más problemática en edificios, al hacer referencia que el inconveniente se genera en la falta de energía que impide que el agua suba hasta el tanque. Allí es menor el tiempo que el agua está almacenada en los tanques, por lo que la falta de energía ocasiona el problema más rápido que en las casas particulares, (ver fig.2 , correspondiente al arte previo) The lack of light and water is more problematic in buildings, when referring that the inconvenience is generated by the lack of energy that prevents water from rising to the tank. There is less time than the water is stored in the tanks, so the lack of energy causes the problem faster than in private homes, (see fig. 2, corresponding to the prior art)
También es conocido en la construcción de viviendas la presencia de por lo menos una cisterna especialmente para ser colocada de manera subterránea, receptora de agua hidráulica en donde implica una obra civil y a posteriori mantenimiento de la misma. Los problemas posibles en la instalación de una cisterna son: 1 . Los empujes del suelo sobre la cisterna. Ya que la instalación de la cisterna se realizó de manera subterránea, la misma está expuesta a los empujes del suelo y cuando la cisterna no contiene agua, no opone resistencia a estos empujes provocando que se chupe y que se dañe permanentemente, por lo que antes de su instalación es recomendable revisar el procedimiento constructivo que garantizará su correcto funcionamiento y durabilidad. It is also known in the construction of houses the presence of at least one cistern especially to be placed underground, receiving hydraulic water where it involves a civil work and subsequent maintenance of it. Possible problems in the installation of a cistern are: 1. The soil thrusts on the cistern. Since the installation of the cistern was carried out underground, it is exposed to soil thrusts and when the cistern does not contain water, it does not oppose resistance to these thrusts causing it to suck and be permanently damaged, so before of its installation it is advisable to review the construction procedure that will guarantee its correct operation and durability.
2. Calidad del agua almacenada. En la actualidad algunas marcas de cisternas ofrecen capas interiores "antibacteriales" que impiden la acumulación paulatina de bacterias que contaminan el agua y por ende, llegan a sus manos y alimentos, por lo que es también un punto de partida a considerar, la decisión de colocar una Cisterna con estas características, es posible que la inversión sea un poco mayor, pero la salud es primero. 2. Quality of stored water. Currently, some brands of tanks offer "antibacterial" inner layers that prevent the gradual accumulation of bacteria that pollute water and therefore reach their hands and food, so it is also a starting point to consider, the decision of To place a cistern with these characteristics, it is possible that the investment is a little greater, but health comes first.
3. Ubicación de la cisterna. Algunas consideraciones: es importante revisar si es área jardinada, peatonal o área de estacionamiento donde se colocará la cisterna, puesto que el diseño de la instalación es particular en cada caso. En el caso de que se ubique bajo un estacionamiento de vehículos chicos, la cisterna deberá de estar provista de un firme superior (piso) de concreto reforzado para garantizar que la cisterna no sufra los esfuerzos y se dañe. 3. Location of the cistern. Some considerations: it is important to check if it is a garden, pedestrian area or parking area where the cistern will be placed, since the design of the installation is particular in each case. In the event that it is located under a parking lot of small vehicles, the tank must be provided with a reinforced upper (floor) of reinforced concrete to ensure that the tank does not suffer efforts and be damaged.
Cada caso implica el estudio preliminar de las condiciones del suelo y su ubicación, por lo que es recomendable la instalación de la cisterna por manos especializadas, y que la inversión efectivamente lo sea. (ver figura 3, perteneciente al arte previo). Each case involves the preliminary study of the soil conditions and their location, so it is advisable to install the cistern by specialized hands, and that the investment effectively is. (see figure 3, belonging to the prior art).
SOLUCIÓN APORTADA Para solucionar estos inconvenientes se presenta un sistema que incluye al menos un equipo autónomo de estructura modular con distintas capacidades, que almacene la cantidad suficiente de agua, de acuerdo a las necesidades de cada familia aplicado preferentemente en lugares estratégicos reducidos para todo tipo de viviendas en general, siendo una solución económica de almacenamiento, práctica en su utilidad y sencilla de mantenimiento por estar todo al alcance del usuario. PROVIDED SOLUTION To solve these problems, a system is presented that includes at least one autonomous unit with a modular structure with different capacities, that stores enough water, according to the needs of each family, preferably applied in reduced strategic locations for all types of homes in general, being an economical storage solution, practical in its usefulness and simple maintenance because everything is within reach of the user.
Al ser autónomo se puede ampliar la cantidad de equipos en dichos lugares y ser versátil en la disposición de los mismos tanto horizontal como vertical aumentando la capacidad de almacenamiento en el momento de su utilidad. Being autonomous, the quantity of equipment in these places can be expanded and versatile in their arrangement both horizontally and vertically, increasing the storage capacity at the time of its use.
Son conectados el/ o los mismos a una toma de agua de red y luego canalizada para su utilidad, siendo pulmones de reserva independientes de abastecimientos de agua potable para consumo humano pero relacionados con la red de instalación interna de la vivienda. Sin embargo, también se tiene en cuenta en tratar todos los contaminantes orgánicos, inorgánicos, microorganismos, virus, bacterias, etc, peligrosos al ser humano contenidos tanto en las aguas municipales o colectivas y/o en las aguas de pozo y/o en las aguas obtenidas en recipientes domésticos e industriales y de esa manera lograr que el agua a consumir sea potable y cumpla con las normas nacionales e internacionales; hecho este que es fundamental para la salud de los seres humanos, uno de los derechos humanos básicos y uno de los pilares en disminuir la mortalidad infantil y de prevención de enfermedades individuales y colectivas. They are connected to a mains water outlet and then channeled for use, being reserve lungs independent of drinking water supplies for human consumption but related to the internal installation network of the dwelling. However, it is also taken into account in treating all organic, inorganic, microorganisms, viruses, bacteria, etc., hazardous to humans contained in both municipal or collective waters and / or in well waters and / or in the water obtained in domestic and industrial containers and in this way make the water to be consumed potable and comply with national and international standards; This fact is essential for the health of human beings, one of the basic human rights and one of the pillars in reducing infant mortality and preventing individual and collective diseases.
El objeto de la presenta invención consiste en proveer un sistema de almacenamiento de agua potable para consumo humano, que comprenden al menos un equipo autónomo, dispuesto en lugares estratégicos que cumpla las funciones de cisterna de reserva para la captación y almacenaje de agua potable provenientes de las redes públicas de agua, hacia las tomas de agua internas en vivienda unifamiliares como también en viviendas multifamiliares - edificios u otras similares para el suministro de agua potable a los habitantes para usos diversos. En primera línea entran en consideración como ámbito de aplicación las nuevas construcciones pero es técnicamente posible una instalación posterior también en construcciones antiguas. The object of the present invention is to provide a drinking water storage system for human consumption, comprising at least one autonomous equipment, arranged in strategic locations that fulfills the functions of reserve tank for the collection and storage of drinking water from public water networks, to internal water intakes in single-family homes as well as in multi-family homes - buildings or other similar ones for the supply of drinking water to the inhabitants for various uses. In the first line, new constructions come into consideration as a scope of application but a subsequent installation is also technically possible in old constructions.
Son conectados el/ o los mismos equipos a una toma de agua de red y luego canalizada para su utilidad, siendo pulmones de reserva independientes de abastecimientos de agua potable para consumo humano pero relacionados con la red de instalación interna de la vivienda. The same equipment is connected to a mains water outlet and then channeled for its usefulness, being independent reserve lungs of drinking water supplies for human consumption but related to the internal installation network of the dwelling.
Sin embargo, también se aporta una unidad filtrante previo al equipo reservorio para tratar todos los contaminantes orgánicos, inorgánicos, microorganismos, virus, bacterias, etc, peligrosos al ser humano, con el fin de asegurar dicho contenidos en las aguas provenientes de redes municipales o colectivas y de esa manera lograr que el agua a consumir sea potable y cumpla con las normas nacionales e internacionales; hecho este que es fundamental para la salud de los seres humanos, uno de los derechos humanos básicos y uno de los pilares en disminuir la mortalidad infantil y de prevención de enfermedades individuales y colectivas. However, a filter unit is also provided prior to the reservoir equipment to treat all organic, inorganic, microorganisms, viruses, bacteria, etc., hazardous to humans, in order to ensure said contents in the waters coming from municipal networks or collective and in this way make the water to be consumed potable and comply with the national and international standards; This fact is essential for the health of human beings, one of the basic human rights and one of the pillars in reducing infant mortality and preventing individual and collective diseases.
Para ayudar a la comprensión del objeto que se desea proteger se han ilustrado figuras a título meramente explicativo y sin carácter restrictivo alguno, ellas son: To help the understanding of the object to be protected, figures have been illustrated for explanatory purposes and without any restrictive character, they are:
Las figuras 1 ,2 y 3, se ilustra el estado de la técnica de acuerdo a instalaciones típicas conocidas tanto para una casa, para un edificio y una cisterna enterrada. La figura 4, ilustra una vista esquemática del sistema implementado en una casa de vivienda, donde se ve por lo menos una toma de red de agua potable (LR) relacionada con la red de instalación interna de dicha vivienda por medio una brida (1 ) y a continuación una llave de paso interior de agua (2) para continuar por la cañería principal de circulación de agua ascendente (3) vinculado a por lo menos un equipo reservorio modular, sustancialmente rectangular, en este caso a ejemplo ilustrativo son dos equipos (6) con una unidad filtrante (4) de dicha agua y un sensor de corte (5) de ingreso de dicha agua en forma autónomos en lugares estratégicos visibles y relacionados con la red de distribución interna de dichas viviendas; luego continua su recorrido canalizando al tanque principal de reserva (7) con su respectiva cañería de bajada (8). Además dicho por lo menos un equipo comprende una cuba receptora de dicha agua con al menos un grifo (10) para extraer agua potable para su utilización. Supongamos por ejemplo si tenemos un tanque de reserva de la vivienda de 750 Its y dos equipos reservónos modulares de 150 Its c/u disgustos en lugares estratégicos, tendríamos totalmente disponible 1050 Its de agua potable en dicha vivienda. Figures 1, 2 and 3 illustrate the state of the art according to typical installations known for both a house, a building and a buried cistern. Figure 4 illustrates a schematic view of the system implemented in a dwelling house, where at least one potable water network (LR) outlet is seen related to the internal installation network of said dwelling by means of a flange (1) and then an internal water stopcock (2) to continue along the main pipe of upward water circulation (3) linked to at least one modular, substantially rectangular reservoir equipment, in this case for illustrative example two teams (6 ) with a filter unit (4) of said water and a cut-off sensor (5) for entering said water autonomously in visible strategic places and related to the internal distribution network of said dwellings; then it continues its route channeling the main reserve tank (7) with its respective down pipe (8). In addition said at least one equipment comprises a receiver tank of said water with at least one tap (10) for extracting drinking water for use. Assume, for example, if we have a 750 Its housing reserve tank and two 150 Its modular disqualification equipment in strategic locations, we would have a fully available 1050 Its drinking water in that house.
La figura 5, ilustra un vista esquemática del sistema implementado en un edificio, en donde se puede ver múltiples equipos reservónos modulares (6) dispuestos estratégicamente más el tanque principal (7) del mismo, también se denota la toma de línea de red (L.R) con auxilio de un mecanismo de bombeo (9), cañería principal de subida de fluido (3) y sus respectivas ramales de tramo de cañerías asociados a medios valvulares (2), quedando definido el aumento de capacidad de reserva en ocasiones especiales. Figure 5 illustrates a schematic view of the system implemented in a building, where multiple modular reservoir equipment (6) can be seen strategically arranged plus the main tank (7) thereof, the network line socket (LR) is also denoted ) with the help of a pumping mechanism (9), main pipe of fluid rise (3) and their respective branch sections of pipes associated with valve means (2), being defined the increase in reserve capacity on special occasions.

Claims

REIVINDICACIONES Habiendo así esencialmente descrito y determinada la particularidad de la presente invención, y como puede ser llevada a la práctica, se declara reivindicar como de exclusivo derecho y propiedad 1 . Sistema de almacenamiento de agua potable para el consumo humano, para viviendas unifamiliares o multifamiliares, edificios, u otra similares, caracterizado porque se conecta al menos a una toma de red de agua potable y se vincula a por lo menos un equipo reservorio con una unidad filtrante y un sensor de corte de ingreso de dicha agua, destinado a estar instalados en forma autónomos en lugares estratégicos visibles y relacionados con la red de instalación interna de dichas viviendas; y dicho por lo menos un equipo comprende una cuba receptora de dicha agua con al menos un grifo para extraer agua potable para su utilización. CLAIMS Having thus essentially described and determined the particularity of the present invention, and how it can be put into practice, it is claimed to be claimed as of exclusive right and property 1. Drinking water storage system for human consumption, for single-family or multi-family homes, buildings, or other similar, characterized in that it is connected to at least one drinking water network outlet and is linked to at least one reservoir equipment with one unit filter and a cut-off sensor of said water, destined to be installed autonomously in visible strategic places and related to the internal installation network of said houses; and said at least one equipment comprises a receiver tank of said water with at least one tap to extract drinking water for use.
2. Sistema de almacenamiento de agua potable, según la reivindicación 1 , caracterizado porque el o los equipos reservónos son modulares, sustancialmente rectangulares, siendo pulmones de reserva independientes para ampliar la capacidad de almacenaje de dicha agua potable. 2. Drinking water storage system according to claim 1, characterized in that the reservoir equipment (s) are modular, substantially rectangular, with independent reserve lungs for expanding the storage capacity of said drinking water.
PCT/IB2015/053283 2014-07-04 2015-05-05 System for the storage of drinking water for human consumption WO2016001774A1 (en)

Applications Claiming Priority (2)

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ARP20140102500 2014-07-04
ARP140102500A AR096817A1 (en) 2014-07-04 2014-07-04 POTABLE WATER STORAGE SYSTEM FOR HUMAN CONSUMPTION

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH630980A5 (en) * 1978-07-18 1982-07-15 Otto Hofmann Cold-water supply system for shelters, in particular private shelters
JPH048886A (en) * 1990-04-27 1992-01-13 Suga Kogyo Kk Pressurized storage pump
US5819773A (en) * 1995-11-07 1998-10-13 Kronowitt; Robert Water storage tank
US20050066439A1 (en) * 2003-09-29 2005-03-31 Gersh Korsinsky Users water storage
JP2005139883A (en) * 2003-10-14 2005-06-02 Minoru Fujimoto Water supply apparatus and fluid supply device
JP2010150790A (en) * 2008-12-25 2010-07-08 Koichiro Tanigawa Domestic water storage facility for dwelling house used in natural disaster
CN201679039U (en) * 2010-05-24 2010-12-22 姚晴洲 Sanitation water supply and backup fire control linkage system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH630980A5 (en) * 1978-07-18 1982-07-15 Otto Hofmann Cold-water supply system for shelters, in particular private shelters
JPH048886A (en) * 1990-04-27 1992-01-13 Suga Kogyo Kk Pressurized storage pump
US5819773A (en) * 1995-11-07 1998-10-13 Kronowitt; Robert Water storage tank
US20050066439A1 (en) * 2003-09-29 2005-03-31 Gersh Korsinsky Users water storage
JP2005139883A (en) * 2003-10-14 2005-06-02 Minoru Fujimoto Water supply apparatus and fluid supply device
JP2010150790A (en) * 2008-12-25 2010-07-08 Koichiro Tanigawa Domestic water storage facility for dwelling house used in natural disaster
CN201679039U (en) * 2010-05-24 2010-12-22 姚晴洲 Sanitation water supply and backup fire control linkage system

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* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 198232, Derwent World Patents Index; AN 1982-K4722E *
DATABASE WPI Week 200539, Derwent World Patents Index; AN 2005-377783 *
DATABASE WPI Week 201047, Derwent World Patents Index; AN 2010-H91214 *
DATABASE WPI Week 201122, Derwent World Patents Index; AN 2011-A75162 *

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