WO2011121140A1 - Dispositivo modular para el ahorro de agua - Google Patents
Dispositivo modular para el ahorro de agua Download PDFInfo
- Publication number
- WO2011121140A1 WO2011121140A1 PCT/ES2010/000132 ES2010000132W WO2011121140A1 WO 2011121140 A1 WO2011121140 A1 WO 2011121140A1 ES 2010000132 W ES2010000132 W ES 2010000132W WO 2011121140 A1 WO2011121140 A1 WO 2011121140A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- hot water
- hot
- tap
- cold
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/04—Domestic or like local pipe systems
- E03B7/045—Domestic or like local pipe systems diverting initially cold water in warm water supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0078—Recirculation systems
-
- 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
- Y02A20/40—Protecting water resources
- Y02A20/411—Water saving techniques at user level
Definitions
- the present invention relates to a modular device for saving water.
- it refers to an apparatus or device that allows the recirculation of the water supplied to a hot water tap, coming from a hot water supply source, until the hot water circulating through the conduit or pipe does not reach a temperature Desired default, automatically and without the need for user intervention.
- the device described in the present invention finds its application in both domestic and industrial hot water installations.
- thermostatic faucets flow reducing heads
- complex remodeling in water recirculation facilities.
- US Patent No. US5261443 “Watersaving recirculating system” describes a water recirculation system for a conventional water supply system where a hydraulic coupling and a solenoid valve are arranged between a hot water supply pipe. and a first cold water feed pipe.
- a check valve is arranged in the cold water supply pipe and in the first cold water supply pipe a pump is arranged to reverse the flow of water through the first cold water supply pipe.
- the stored water is mixed with the water in the direction of the cold water line by pressure in the storage tank and subsequent siphoning action.
- This document proposes to transfer the water that is supplied from a hot water tank, and that does not have the appropriate temperature, to an auxiliary storage tank or to an irrigation arrangement.
- a pressure reducing device is provided to ensure fluid circulation by providing a sufficient pressure difference.
- Patent number US5009572 “Water conservation device” refers to a compact circular water maintenance device comprising a pressurized water source, a hot water feed pipe, a cold water feed pipe, a water heater and Fixed outlets coupled to hot and cold water pipes.
- This device basically includes an electric pump to pump the water from the hot water pipe to a solenoid valve where the mixing of hot and cold water is carried out.
- This valve is directly coupled to the cold water pipe, providing a thermal sensor to detect the temperature of the water at its entry into the pump. In this way, the device generates a closed loop between the hot and cold water pipes. The device brings the chilled hot water to the cold water pipe, which causes the hot water to flow out without the need to recirculate the warm water to the water heater.
- This document proposes a device for water conservation that is presented in the form of a module and that includes a recirculation pump associated with an electrovalve that communicates with the cold water network and with an outlet, said pump and solenoid valve being installed in a branch branch between the hot and cold water ducts.
- the device does not recirculate the hot water to the heater and always keeps the branch of hot water at a given temperature suitable for the service, reporting this situation through an indicator.
- the object of the present invention is a device specially designed for water saving that allows the recirculation of the water that comes through the hot water pipe, until it reaches a desired predetermined temperature, automatically, without the need for manual activation of any system, nor the user review of the temperature that the water has.
- the modular device of the invention acts automatically by simply opening the tap, by means of its conventional opening / closing operation, either the control of the single lever or the simple opening of a standard tap and does not require any action on a push button or switch to generate an overpressure or activation of any circuit.
- a closed circuit is formed that returns the hot water that is requested and is not yet, to the boiler or thermos instead of pouring it into the drainage, with the consequent saving of both water and energy.
- the device of the present invention is embodied in the form of a compact module suitable for easy installation without the need to modify or add existing pipes, taps, boilers or thermoses, and without adding accumulators or tanks, being directly applicable in hot water installations , both domestic and industrial.
- the device of the invention is inserted between the water intakes or water inlets for the sink, battery, shower or bidet and its conventional tap. In this way, all the elements of the device are incorporated in a module that is installed next to the tap.
- the call of hot water from a tap that has the module object of the present invention installed conditions the water for the rest of the faucets of that nearby environment, so it is not advisable to install it in the bathtub to avoid the proximity of the current electric to the shower run.
- the circulation can be derived of the water not yet heated towards the cold water pipe, although in the opposite direction, that is, towards its re-entry into the heating apparatus originally provided in the installation.
- Water will flow out of the tap only when it is at the desired temperature and defined in the module, which may be the standard of 30 ° C or optionally adjusted according to the user's desire.
- An indicator is provided to warn the user that there is no No anomaly for not getting hot water when opening the tap when opening it, showing that "hot water is coming".
- an acoustic or light warning can be used.
- Figure 1 shows a schematic of the modular device of the present invention according to a preferred embodiment thereof.
- Figure 2 shows an operating scheme of the modular device according to Figure 1 when hot water is requested, including Figures 2a, 2b and 2c.
- the modular device of the invention is constituted by a single block or module (1) intended for installation intercalated between the hot water (C) and cold (F) stopcocks and the tap (4).
- Said device basically consists of the following elements: two sections of the supply line for hot (2) and cold (3) water that are connected by suitable means to the hot (C) and cold (F) water supply pipes of the tap (4).
- a water recirculation pump (5) installed in a bypass duct (12) that communicates the hot (2) and cold (3) water pipes; a pressure switch or pressure switch (6) disposed in the hot water supply section (2) downstream of the bypass (12), before the normally open valve (11); a flow meter (7) disposed in the hot water supply section (2) downstream of the bypass (12), after the normally open valve (1 1) and immediately before the tap (4); a thermocontact (8) disposed in the hot water supply conduit (2) upstream of the bypass conduit (12); a safety check valve (9) disposed at the intersection of the bypass line (12) and the cold water supply section (3); which may be before or after the recirculating pump means for regulating the flow of water (10, 1 1) that allow the passage through the bypass duct (12) or through the hot water supply section (2) downstream of the bypass duct (12) and upstream of the flowmeter (7), and a control system (13), which analyzes the values offered by the pressure switch (6), the flowmeter (7) and the thermocontact (8) and also governs the pump (5), the first solenoi
- These elements are integrated, as indicated, in a single block or module (1) that can be installed next to a tap (4) and can be connected to the hot (C) and cold (F) water supply network, having a behavior completely neutral except when hot water is requested, when it is activated thanks to the action of the different components governed and managed by the control system (13).
- the module (1) including the elements mentioned above, will preferably be arranged in an area close to the tap (4) sandwiched between the water supply pipes (C, F) and said tap.
- Bypass (12) allows communication with the pump (5) of the hot water (2) and cold water (3) supply sections, said bypass (12) being adapted to divert water that has not yet reached the temperature desired, circulating from the section of hot water (2) to the section of cold water (3).
- the pressure switch (6) arranged in the hot water supply section (2) upstream of the branch (12) allows the pressure in the duct to be detected. hot water supply (2), thus preventing the pump (5) from working in a vacuum, for example with a pressure greater than an atmosphere.
- the flow meter (7) installed in the hot water supply section (2) downstream of the bypass (12) and immediately before the tap (4), activates the control module, when hot water is requested, from said tap.
- the use of a non-return valve (9) is optional and its function is to avoid that in the event of a pressure drop in the hot water connection, the cold water with its highest pressure invades the hot water pipe when the hot water pressure coupled with the pressure the pump produces.
- the means for regulating the water flow (10, 11) may be composed of a first normally closed solenoid valve (10), arranged in the bypass duct (12), and a second normally open solenoid valve (11), arranged in the hot water feed section (2) downstream of the bypass duct (12) and upstream of the flowmeter (7), and the thermocontact (8) arranged in the hot water supply duct (2) upstream of the duct Bypass (12) allows to control the temperature of the hot water circulating through the modular device of the invention, so that if it does not reach the desired temperature, for example the temperature is below 30 ° C, the first normally closed solenoid valve opens ( 10), close the second normally open solenoid valve (11) and actuate the pump (5) to guarantee the recirculation of this water to the cold water section (3)
- the second solenoid valve normally open, (11) allows its exit through the tap (4).
- the first valve (10) is normally closed and the second valve
- (11) is normally open, so that in the event of a power failure, coil failure or system disconnection, the module object of the present invention allows its use as a conventional tap, thus avoiding that it could the use of the tap in the hot or cold water supply is blocked since said second valve will remain open and said first valve will remain closed as if it were a conventional tap.
- These two solenoid valves are optionally replaceable by a three-way solenoid valve.
- the modular device has a warning element, associated with the control device (13), which indicates that the open tap (4) does not supply hot water yet, but is ready to arrive (warm water is reheated by operation of the device of the invention, which also means energy saving by not going to the drain, but by being recirculated, the water tempered).
- the modular device has a "Heat source fault” warning, also associated with the management and control device (13), when, in the established time, the water does not reach the determined temperature
- the modular device of the invention is capable of detecting an effective fluid circulation in the hot water pipe immediately after the tap is opened and which is not as in other devices, activated by pressure decrease, since it could easily be affected for any variation in network pressure.
- FIGS. 2a, 2b and 2c there is shown an operating sequence of the module of the present invention, in which the system is observed from the general water connection (A) to the point where the tap is placed or hot water outlet (4).
- Figure 2a shows how when the hot water tap is opened, the valve associated with it (14) causes the water contained in the hot water pipe (C) as well as the water contained in the hot water section (2) of the module (1) begin to circulate.
- the controller (13) activates the second solenoid valve 11 closing the hot water line (2 ) downstream of the branch (12), opening the first solenoid valve (10) in the branch (12) and activating the pump (5) to recirculate the water to the cold water section (3) and then to the water pipe cold (F) where it returns to the main connection, where the heat source, thermos or boiler (16) is requesting water, to supply the hot tap that has been opened.
- the controller (13) activates the second solenoid valve 11 closing the hot water line (2 ) downstream of the branch (12), opening the first solenoid valve (10) in the branch (12) and activating the pump (5) to recirculate the water to the cold water section (3) and then to the water pipe cold (F) where it returns to the main connection, where the heat source, thermos or boiler (16) is requesting water, to supply the hot tap that has been opened.
- Figure 2b where the water starts to get hot but not yet at the desired and programmed temperature.
- Figure 2c shows the tap (4) expelling hot water since having reached the desired temperature measured by the thermocontact (8), the control system (13) has closed the first solenoid valve (10) of the bypass (12), the pump (5) stopped, and opening the second solenoid valve (11) of the hot water section (2), thus allowing the hot water with the desired temperature to flow out of the tap.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Domestic Plumbing Installations (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2794457A CA2794457A1 (en) | 2010-03-29 | 2010-03-29 | Modular water-saving device |
US13/637,911 US9151021B2 (en) | 2010-03-29 | 2010-03-29 | Modular water-saving device |
EP10848782.8A EP2554919B1 (en) | 2010-03-29 | 2010-03-29 | Modular water-saving device |
PCT/ES2010/000132 WO2011121140A1 (es) | 2010-03-29 | 2010-03-29 | Dispositivo modular para el ahorro de agua |
ES10848782.8T ES2607058T3 (es) | 2010-03-29 | 2010-03-29 | Dispositivo modular para el ahorro de agua |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/ES2010/000132 WO2011121140A1 (es) | 2010-03-29 | 2010-03-29 | Dispositivo modular para el ahorro de agua |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011121140A1 true WO2011121140A1 (es) | 2011-10-06 |
Family
ID=44711375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2010/000132 WO2011121140A1 (es) | 2010-03-29 | 2010-03-29 | Dispositivo modular para el ahorro de agua |
Country Status (5)
Country | Link |
---|---|
US (1) | US9151021B2 (es) |
EP (1) | EP2554919B1 (es) |
CA (1) | CA2794457A1 (es) |
ES (1) | ES2607058T3 (es) |
WO (1) | WO2011121140A1 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016107937A1 (es) * | 2014-12-30 | 2016-07-07 | Aquareturn, S.L. | Dispositivo e instalación de agua para prevenir la proliferacion de seres vivos en las conducciones de agua |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2482941B2 (es) * | 2013-02-05 | 2014-11-06 | Universidad Politécnica de Madrid | Sistema automático de recirculación de agua potable y método de funcionamiento |
AU2014214540A1 (en) * | 2013-04-04 | 2015-10-01 | Adam William HUTS | Water saving apparatus |
EP3141664A1 (en) * | 2014-05-05 | 2017-03-15 | Magib Sociedade Imobiliária, S.A. | Water saving system |
ITUA20161733A1 (it) * | 2016-03-16 | 2017-09-16 | Riello Spa | Scaldabagno |
ITUA20163091A1 (it) * | 2016-05-03 | 2017-11-03 | Alessandro Cerasi | Kit per la riduzione dei consumi idrici |
FR3057077A1 (fr) * | 2016-09-30 | 2018-04-06 | Jean-Pierre Boyer | Dispositif de controle de flux et systeme de canalisation associe |
EP3333493B1 (en) * | 2016-12-12 | 2020-06-10 | Vaillant Group Heating Technology | Water circulation module and hot water system using the same |
RU2652543C1 (ru) * | 2017-05-29 | 2018-04-26 | Андрей Николаевич Богатов | Система теплоснабжения с поддержанием работоспособности котельной при отключении основных магистральных трубопроводов тепловой сети |
IT201700066417A1 (it) * | 2017-06-15 | 2018-12-15 | Davide Vallero | Circuito di distribuzione di acqua calda sanitaria a richiesta |
FR3078986A1 (fr) * | 2018-03-19 | 2019-09-20 | Agostinho Peixoto | Robinet ecologique economiseur eau chaude |
BR202018012746Y1 (pt) * | 2018-06-21 | 2020-04-28 | Yoshitaka Fukuyama Pedro | disposição em torneira de parede ou de outra superfície |
EP3653941B1 (en) | 2018-11-15 | 2021-09-08 | Pablo Capa Monzón | Fluid recirculation system |
CL2019000866A1 (es) * | 2019-03-30 | 2019-10-18 | Gustavo Alejandro Pallauta Perez | Dispositivo recirculador de agua, contador de litros y regulador de temperatura para ducha; y procedimiento para obtener dicho dispositivo. |
US11592190B2 (en) | 2019-04-12 | 2023-02-28 | Roger Kaufman | Hot water recirculation system |
WO2021053576A1 (en) * | 2019-09-18 | 2021-03-25 | Iwsx (Pty) Ltd. | Water saving system |
IT202100022502A1 (it) * | 2021-08-30 | 2023-03-02 | Rithema S R L S | Dispositivo per il risparmio idrico, particolarmente per docce ed utenze similari |
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DE3723089A1 (de) * | 1987-07-13 | 1989-01-26 | Stiebel Eltron Gmbh & Co Kg | Brauchwasserzapfanordnung |
US5009572A (en) | 1989-10-16 | 1991-04-23 | Ray Imhoff | Water conservation device |
US5261443A (en) | 1993-01-04 | 1993-11-16 | Walsh Paul F | Watersaving recirculating system |
US5452740A (en) | 1993-12-16 | 1995-09-26 | Bowman; Gerald E. | Water conservation system |
DE19712051A1 (de) * | 1997-03-22 | 1998-09-24 | Miller Bernhard | Regler |
US6182683B1 (en) * | 1999-08-24 | 2001-02-06 | Temtrol, Delta T. Inc. | Water recirculation manifold |
US20090145490A1 (en) * | 2007-08-07 | 2009-06-11 | Donald Gregory Kershisnik | Water conservation / hot water recirculation system utilizing timer and demand method |
US20090211644A1 (en) * | 2008-02-27 | 2009-08-27 | Wylie Jacob E | Instant Hot Water Delivery System |
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US4936289A (en) * | 1989-02-21 | 1990-06-26 | Peterson George A | Usage responsive hot water recirculation system |
US4945942A (en) * | 1989-09-29 | 1990-08-07 | Metlund Enterprises | Accelerated hot water delivery system |
KR950002693B1 (ko) * | 1990-03-12 | 1995-03-24 | 도오도오 기기 가부시기가이샤 | 샤워 장치 |
US5205318A (en) * | 1992-07-21 | 1993-04-27 | Sjoberg Industries, Inc. | Recirculation hot water system |
US5339859A (en) * | 1993-12-16 | 1994-08-23 | Bowman Gerald E | Water conservation system |
US7178543B2 (en) * | 2005-06-27 | 2007-02-20 | Adams Charles L | Rapid hot water apparatus and method |
US7867172B1 (en) * | 2006-11-09 | 2011-01-11 | Dingane Baruti | Combination toothbrush and peak flow meter system |
EP2014921A1 (fr) * | 2007-07-13 | 2009-01-14 | Narcis Vinolas Vall-Llosera | Système pour économiser l'eau rejetée pendant qu'on attend l'arrivée de l'eau chaude dans les installations de distribution d'eau chaude |
TW200944726A (en) * | 2008-04-29 | 2009-11-01 | Yu-Tuan Lee | Hot water providing method and hot water system |
-
2010
- 2010-03-29 CA CA2794457A patent/CA2794457A1/en not_active Abandoned
- 2010-03-29 ES ES10848782.8T patent/ES2607058T3/es active Active
- 2010-03-29 US US13/637,911 patent/US9151021B2/en active Active
- 2010-03-29 EP EP10848782.8A patent/EP2554919B1/en active Active
- 2010-03-29 WO PCT/ES2010/000132 patent/WO2011121140A1/es active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3723089A1 (de) * | 1987-07-13 | 1989-01-26 | Stiebel Eltron Gmbh & Co Kg | Brauchwasserzapfanordnung |
US5009572A (en) | 1989-10-16 | 1991-04-23 | Ray Imhoff | Water conservation device |
US5261443A (en) | 1993-01-04 | 1993-11-16 | Walsh Paul F | Watersaving recirculating system |
US5452740A (en) | 1993-12-16 | 1995-09-26 | Bowman; Gerald E. | Water conservation system |
DE19712051A1 (de) * | 1997-03-22 | 1998-09-24 | Miller Bernhard | Regler |
US6182683B1 (en) * | 1999-08-24 | 2001-02-06 | Temtrol, Delta T. Inc. | Water recirculation manifold |
US20090145490A1 (en) * | 2007-08-07 | 2009-06-11 | Donald Gregory Kershisnik | Water conservation / hot water recirculation system utilizing timer and demand method |
US20090211644A1 (en) * | 2008-02-27 | 2009-08-27 | Wylie Jacob E | Instant Hot Water Delivery System |
Non-Patent Citations (1)
Title |
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See also references of EP2554919A4 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016107937A1 (es) * | 2014-12-30 | 2016-07-07 | Aquareturn, S.L. | Dispositivo e instalación de agua para prevenir la proliferacion de seres vivos en las conducciones de agua |
EP3241950A4 (en) * | 2014-12-30 | 2018-10-03 | Aquareturn, S.L. | Device and water system for preventing the proliferation of living beings in water pipes |
Also Published As
Publication number | Publication date |
---|---|
EP2554919A4 (en) | 2013-08-28 |
EP2554919A1 (en) | 2013-02-06 |
US20130026242A1 (en) | 2013-01-31 |
ES2607058T3 (es) | 2017-03-29 |
CA2794457A1 (en) | 2011-10-06 |
US9151021B2 (en) | 2015-10-06 |
EP2554919B1 (en) | 2016-09-28 |
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