EP3577282A1 - Cold water recovery device for a shower - Google Patents
Cold water recovery device for a showerInfo
- Publication number
- EP3577282A1 EP3577282A1 EP18705694.0A EP18705694A EP3577282A1 EP 3577282 A1 EP3577282 A1 EP 3577282A1 EP 18705694 A EP18705694 A EP 18705694A EP 3577282 A1 EP3577282 A1 EP 3577282A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- outlet
- duct
- water
- shower
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 223
- 238000011084 recovery Methods 0.000 title claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 18
- 230000009467 reduction Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
Definitions
- the present invention relates to devices for collecting cold water for showers and showers equipped with such devices.
- Such a cold water recovery device temporarily stores the cold water in the hot water circuit for later reinjection when the desired temperature is reached. This avoids wasting water.
- shower mainly covers showers as such, equipped with a shower head, a hand shower and / or hydro-massaging nozzles. This term “shower” also covers baths that are equipped with hand showers or nozzles hydro-massaging the body, or any other sanitary facility of bathroom, kitchen or other that can be equipped with such a recovery device. Cold water.
- the invention aims to optimize the implementation and performance of the cold water recovery device.
- the cold water recovery devices for showers are known to those skilled in the art. These include titles published under the following numbers: WO 2016007926 A1; CN 203022068 U; CN 202767568 U; US 2012118414 A1; CA 2625559 A1; WO 2016058069 A1; KR 20150072053 A; JP 2002275966 A.
- the cold water recovery device comprises valves and temperature sensors arranged between the cold water and hot water circuits and a tank, as well as a controller managing the control of the water. valves according to the measured temperatures. Cold water in the hot water circuit is stored in a tank when the valve is opened. Once hot water circulates in said circuit, the shower head is fed with a mixture of hot water and cold water stored in the tank, until the reservoir is exhausted where the water in the water circuit cold water also feeds said shower head to be mixed with the hot water.
- CN 203022068 U also describes a temporary storage tank for the cold water in the hot water circuit, which is then re-injected into the cold water circuit.
- CN 202767568 U describes a shower thermostat that saves water and incorporates an electronic device for providing temperature. It also plans to mix cold water and hot water in a tank before allowing it to flow through the shower duct.
- US 2012118414 A1 discloses a water recovery device that incorporates a particular valve and a manifold for diverting cold water into a tank before then reintroduced into the hot water circuit.
- CA 2625559 A1 describes a water recovery device with a lever actuating system and a Venturi system for injecting water from the tank into the shower duct.
- the water recovery device is designed to be attached to the outlet of the shower duct, just before the shower head.
- WO 2016058069 A1 discloses a water recovery device providing two valves respectively on the hot and cold water pipes upstream of a mixing valve, a tank being mounted between these two valves.
- KR 20150072053 A describes a cold water recovery device present in the hot water circuit, allowing it to be stored in a tank and reinjected into the cold water shower circuit by a Venturi principle.
- the device comprises thermostatic valves arranged on the hot water circuit at the outlet of the valve, to direct the water to the tank before reaching a threshold temperature or to the shower duct once the threshold temperature reached.
- JP 2002275966 A describes the principle of recovery of cold water present in the hot water pipe to store it in a tank and then reintroduce it into the hot water pipe, once the threshold temperature reached.
- the recovery device provides for heating this water stored in the tank before reinjecting it on the hot water pipe.
- the present invention aims to optimize the design of the cold water recovery device in order to simplify it and to obtain at its output a water temperature desired by the user, which avoids the waste of water.
- the invention relates to a cold water recovery device for shower for delivering heated water to a set temperature set by the user, without wasting the cold water initially in the domestic hot water pipe when the shower is not used for a long time.
- the cold water recovery device comprises a mixing valve which comprises a thermostatic cartridge equipped with a system for adjusting a first temperature setpoint T1 and a first lever for acting on said adjustment system.
- the mixer includes a cold inlet connected to a cold water supply duct, a hot inlet and an outlet connected to a shower duct, which can lead to a shower head, a hand shower and / or a shower rail. massage nozzles, a control system for switching to one or other of the above three functions.
- the mixer draws water from the hot inlet until the water has reached the temperature setpoint Tl, and said mixer draws water from the hot inlet and that from the cold inlet and mixing them to dispense water at the temperature set point Tl.
- the temperature setpoint T1 is low, for example ten degrees Celsius, the mixer can draw water directly from the cold inlet. , without drawing water from the hot entrance.
- the cold water recovery device also comprises a tank for temporary storage of cold water flowing in a hot water supply duct.
- the cold water recovery device includes a system for opening / closing the flow of water which is activated by the user when he wishes to start to shower or, conversely, to stop showering.
- the recovery device also comprises a Venturi system configured to suck the cold water temporarily stored in the tank and reinject it into the circuit during the flow of water out of the shower duct.
- the cold water recovery device comprises a deviating valve which comprises a thermostatic cartridge provided with a system for adjusting a second temperature setpoint T2.
- This diverting valve also comprises an inlet, a hot outlet and a cold outlet connected to an inlet of the tank, said deviating valve being configured so that the water entering through said inlet is directed towards the cold outlet as long as its temperature does not reaches the second temperature setpoint T2, then is directed to the hot outlet once said second setpoint reached.
- the cold water recovery device comprises a first transmission system configured to actuate concomitantly said adjustment systems on the mixing valve and the diverting valve when the first lever is actuated, so as to modify simultaneously and proportionally the first temperature setpoint T1 and the second temperature setpoint T2.
- the deviating valve may be of identical or slightly different design to that of the aforementioned traditional mixer, the essential difference being its inversion.
- the inlet of the diverting valve is connected to the hot water supply duct
- the hot outlet of the diverting valve is connected to the hot inlet of the mixer via a first intermediate duct
- the cold outlet of the diverting valve is connected to the tank inlet via a second intermediate duct.
- the diverting valve when actuating the system of opening / closing the flow of water on the shower, the water circulating in the hot water pipe enters the inlet of the deviator valve and is directed to the cold output until its temperature has reached the value of the second setpoint (the value T2), then filling the tank. Then this water is directed to the hot outlet once the value of said second setpoint reached, then supplying the mixer. In this way, the cold water that can be initially in the hot water circuit, for example de prolonged use of the shower, is recovered in the tank.
- the Venturi system is configured to connect an outlet of the tank to the shower duct, downstream of the mixing valve, or on the first intermediate conduit, upstream of the mixer, according to the different possible configurations within the scope of the invention.
- the cold water possibly found in the domestic hot water supply pipe passes through the deflecting valve which directs this water to the mixer if its temperature is in accordance with the second temperature setpoint T2, said mixer then mixing this hot water with cold water from the cold water supply duct to obtain a water at the temperature set point T1, or to the tank which stores it temporarily while the water in the diverting valve reaches said second setpoint T2 temperature.
- the water stored temporarily in the tank is then re-injected into the main circuit via the Venturi system, either on the first intermediate pipe to enter through the hot inlet in the mixer or on the shower duct at the outlet of said mixer.
- the inlet and the outlet of the tank are distinct.
- the outlet of the tank is positioned in the lower part of the tank, the inlet being able to be positioned at the top or the bottom.
- the Venturi system comprises a Venturi tube arranged on the shower duct, said tank outlet being connected to said Venturi tube via a third intermediate duct.
- the inlet and the outlet of the tank are distinct, as for the first aforementioned embodiment.
- the Venturi system comprises a Venturi tube arranged on the first intermediate duct, said outlet of the tank being connected to said Venturi tube via a third intermediate duct.
- the inlet and outlet of the tank are common, that is to say constituted by a single mouth arranged at the bottom on the tank.
- the Venturi system comprises a first Venturi tube arranged on the shower duct and a second Venturi tube arranged on the second intermediate duct between the cold outlet of the diverting valve and the inlet / outlet of the tank, the first Venturi tube. being connected to the second venturi tube via a fourth intermediate duct.
- the first Venturi tube when water at the temperature Tl flows in the shower duct, the first Venturi tube generates a depression to draw cold water from the tank through the second venturi tube, the water of the tank mixing with small dose with the water at the temperature Tl in the shower duct, until exhaustion of said reservoir.
- the inlet and the outlet of the tank are common, as for the third aforementioned embodiment.
- the Venturi system comprises a first venturi tube arranged on the first intermediate duct and a second venturi tube arranged on the second intermediate duct between the cold outlet of the diverting valve and the inlet / outlet of the tank, the first venturi tube. being connected to the second venturi tube via a fourth intermediate duct.
- the first Venturi tube when water at the temperature T2 flows in the first intermediate duct, the first Venturi tube generates a depression to draw cold water from the tank through the second Venturi tube, the water tank mixing with small dose with the water at the temperature T2 in the first intermediate conduit before entering the mixer, until exhaustion of said tank.
- the system for opening / closing the flow of water comprises a double two-way valve arranged upstream of the cold water and water supply ducts. hot, said system also comprising a second control lever of the double valve for the simultaneous opening of said supply ducts.
- the opening / closing system may comprise a first two-way valve arranged at the outlet of the mixer, a second two-way valve arranged at the inlet of the deflector valve, a second handle and a second transmission system configured to simultaneously open or close both two-way valves when the second joystick is operated.
- the first temperature setpoint Tl is less than or equal to the second temperature setpoint T2, which guarantees that the water temperature at the desired temperature is obtained instantaneously at the outlet of the mixer tap.
- the inlet of the deflector valve is connected to an upstream portion of the shower duct
- the hot outlet of the deflector valve is connected to a downstream portion of the duct
- the cold outlet of the diverting valve is connected to the tank inlet via a fifth intermediate duct.
- the Venturi system comprises a Venturi tube arranged on said downstream portion of the shower duct, an outlet of said reservoir being connected to said venturi tube via a sixth intermediate duct.
- the thermostatic cartridge of the mixing valve and that of the diverting valve are set so that the temperature setpoint T1 is greater than or equal to the temperature setpoint T2, preferably a higher one, in order to guarantee that said deflection valve switches to the outlet hot and does not stay on the cold outlet, which would have the effect of filling the tank completely and not delivering water out of the shower.
- the mixer draws water from the hot water supply duct which is generally at a temperature below the temperature setpoint values T1 and T2.
- the water then circulates in the upstream part of the shower duct and enters the diverting valve which directs this water towards the reservoir because of its temperature below the temperature setpoint T2.
- the diverting valve switches to the hot outlet and the water circulates throughout the shower duct.
- the Venturi tube then allows to suck the cold water contained in the tank.
- the mixing valve mixes the water of the hot water supply duct with that of the cold water supply duct to deliver a water to the temperature set point T1 in the shower duct.
- the system for opening / closing the flow of water comprises a two-way valve arranged at the outlet of the mixer or on the upstream portion of the shower duct.
- said system comprises a second control lever of the two-way valve.
- a temperature delta ⁇ between zero degrees Celsius and four degrees Celsius (0 ° C ⁇ ⁇ 4 ° C) is set between the first temperature setpoint Tl and the second temperature setpoint T2.
- the first transmission system comprises a first set of gears arranged between a first pinion secured to a first axis of the mixer control system and a second gear pinned to a second axis of the system. adjusting the deflector valve, the first axis being rotated by the first handle.
- this first set of gears is configured to transmit a ratio equal to one between the first axis and the second axis.
- the tank has a capacity of three to five liters (3 liters to 5 liters), preferably four liters (4 liters). Other values of capacity could be retained, depending on the layout of the shower and the water heating system.
- the invention also relates to a shower equipped with a cold water recovery device having the above characteristics, the shower duct leading to a shower head and / or a hand shower and / or a ramp of massage nozzles.
- shower means a shower as such, but also a bath or other sanitary equipment bathroom, kitchen or other that can receive such a device.
- FIGS. 1 and 2 show two nonlimiting variants of implementation of the water recovery device cold according to the invention
- FIG. 3 shows a non-limiting example of a transmission system between the temperature setpoint adjustment systems of the mixer and the deflector valve;
- FIG. 4 schematizes a nonlimiting variant of a system for opening / closing the flow of water;
- FIG. 5 schematizes a first Venturi tube implemented on the cold-water recovery devices of FIGS. 1, 2 and 7 (hereinafter);
- FIG. 6 schematizes a second Venturi tube implemented on the cold water recovery device of FIG. 2.
- FIG. 7 schematizes another non-limiting variant of the design of the cold water recovery device that is the subject of the invention.
- the cold water recovery device will be called device 1, without indication to the contrary.
- the device 1 comprises a mixer 2 which has the characteristics of a traditional mixer.
- This mixer 2 comprises a cold inlet 3 which is connected to the cold water supply pipe 4 and a hot inlet 5 which is connected to the downstream end 6a of a first intermediate pipe 6.
- the mixer 2 also comprises an outlet 7 which is connected to the upstream end 8a of a shower duct 8, said shower duct 8 opening at its downstream end 8b on a shower head, a hand shower or a ramp of massage nozzles (not shown ).
- a first lever 9 makes it possible to act on an axis 10 of an adjustment system 11 of the temperature set point T1 on a thermostatic cartridge 12 of the mixer 2, so that the outlet water 7 is at the temperature Tl.
- the device 1 comprises an opening / closing system 13 for the flow of water which comprises a double two-way valve 14 actuated by a second lever 15 that the user manipulates to start or stop the flow of water at the outlet of the shower duct 8.
- a double two-way valve 14 is similar to two two-way valves arranged respectively on the cold water supply duct 4 and on the supply duct. hot water 18, with a simultaneous control of the opening or closing of said two-way valves through the lever 15.
- the device 1 comprises a deflector valve 16 which has similar characteristics to those of the mixer 2, the essential differences being its inverted installation and the absence of the first handle 9.
- This deviator valve 16 comprises an inlet 17 which is connected to the sanitary hot water supply duct e 18, and a hot outlet 19 connected to the upstream end 6b of the first intermediate duct 6 and a cold outlet 20 connected to the upstream end 21a of a second intermediate duct 21.
- the device 1 comprises a reservoir 22 for temporarily storing water from the cold outlet 20 of the deflector valve 16.
- the reservoir 22 is positioned in the lower part of said device 1.
- reservoir 22 comprises an inlet 23 which is connected to the downstream end 21b of the second intermediate conduit 21.
- the reservoir 22 comprises an outlet 24 which is independent of the inlet 23, the outlet 24 being positioned at the bottom of the reservoir 22 while the inlet 23 may be disposed higher.
- the outlet 24 is connected to the upstream end 25a of a third intermediate conduit 25
- outlet 24 and the inlet 23 merge and are connected to the downstream end 2b of the second intermediate duct 21, at the bottom of the tank 22.
- the device 1 comprises a first Venturi 26 illustrated in greater detail in FIG. 5.
- This first Venturi 26 comprises a Venturi tube 27 having a section reduction 28 to which is connected the downstream end 25b of the third intermediate conduit 25 .
- the device 1 also comprises the first Venturi 26 and a second Venturi 29.
- the second Venturi 29 also comprises a Venturi tube 30 having a section reduction 31 on which is connected the upstream end 32a of a fourth intermediate duct 32, the downstream end 32b of said duct 32 being connected to the section reduction 28 of the Venturi tube 27 (replacing the downstream end 25b of the third intermediate duct 25 in FIG. 1).
- the deflector valve 16 also comprises a thermostatic cartridge 33 equipped with an adjustment system 34 of a temperature setpoint T2.
- the setting of the temperature setpoint T2 on the deflector valve 16 is effected by means of the first lever 9 via a first transmission system 35 which acts on an axis 36 of said adjustment system 34.
- the temperature setpoint T2 on the deflector valve 16 is concomitant and proportional to the setting of the temperature setpoint T1 on the mixer 2, by simply acting on the first lever 9.
- This first transmission system 35 comprises a pinion 37 carried by the axis 10 on the mixer 2, a pinion 38 carried by the pin 36 on the deflector valve 16 and a gear set 39.
- the gear set 39 comprises three toothed wheels 40, 41 and 42, but this is not limiting, other variants being possible according to the arrangement of the parts of the device 1.
- a second handle 43 makes it possible to act on a first axis 44 controlling a first two-way valve 45 arranged at the outlet 7 of the mixer 2 in order to supply the shower duct 8.
- a second valve two channels 46 is arranged at the inlet 17 of the deflector valve 16.
- the control of the second two-way valve 46 is effected by means of the second handle 43 and a second transmission system 47 arranged between the first axis 44 and a second axis 48 controlling the second two-way valve 46.
- This second transmission system 47 comprises a pinion 49 carried by the first axis 44, a pinion 50 carried by the second axis 48 and a set of gear 51.
- the gear set 51 comprises three gear wheels 52, 53 and 54, but this is not limiting, other variants being conceivable according to the arrangement of the parts of the device 1.
- the general operating principle described below is made on the basis of FIG. 1, but it remains valid in the case of FIG. 2 or any other variant.
- the water in the domestic hot water supply duct 18 is generally cooled to a temperature well below the temperature set point T2.
- the water of the hot water supply duct 18 is then injected into the inlet 17 of the diverting valve 16 which, because of its temperature below the temperature set point T2, is directed towards the cold outlet 20 and fills
- the first intermediate duct 6 is not supplied with water and cold water at a temperature below the temperature setpoint T1 circulating in the cold water supply duct 4, the water does not flow. does not flow yet output 7 of the mixer 2.
- Hot water then circulates in this hot supply duct 18; when its temperature reaches the temperature set point T2, the deflector valve 16 directs the hot water to the hot outlet 19, which feeds the first intermediate duct 6 and therefore the hot inlet 5 of the mixer 2, which then feeds its outlet 7 and the shower duct 8.
- the temperature of the hot water in the first intermediate duct 6 then being at least at the temperature T2, the thermostatic cartridge 12 of the mixer 2 then plays its role by pulling proportionally of the water on the cold inlet 3 and hot inlet 5 to obtain a mixture of water at the temperature Tl outlet 7.
- the water flowing in the shower duct 8 allows the first Venturi 26 to create a vacuum that sucks cold water in the third intermediate duct 25 and progressively emptying the reservoir 22.
- the sections of said ducts 8 and 25 and those of the Venturi tube 27 will be dimensioned so that the water of the reservoir 22 is injected at a small dose into the reservoir. shower 8 to influence very little water temperature in said duct 8 and not to change the feeling. When the water continues to flow in the shower duct 8 and the tank 22 is empty, air circulates in the third intermediate duct 25 and mixes with the water in the shower duct 8, which improves the quality of the shower jet.
- the general operating principle remains identical in FIG. 2, the only differences being due to the modification of the connection between the cold outlet 20 of the deflector valve 16, return / outlet 23, 24 of the tank 22 and the first Venturi 26.
- the cold outlet 20 When the cold outlet 20 is supplied, the reservoir 22 is filled and the second Venturi 29 draws air into the fourth intermediate conduit 32 since the shower duct 8 is not powered.
- the shower duct 8 when the shower duct 8 is fed, the cold outlet 20 does not is more and the water in the reservoir 22 is sucked by the first venturi 26 circulating in a portion of the second intermediate conduit 21 located between the venturi tube 30 and the inlet / outlet 23, 24 and in the fourth intermediate conduit 32.
- devices 1 can be designed incorporating all the features of FIGS. 1 and 2 by simply moving the first Venturi 26 to position it on the first intermediate duct 6 instead of the shower duct 8. In this case, the emptying of the tank 22 will do as soon as the hot outlet 19 on the deflector valve 16 is fed and the hot water circulates in said first intermediate conduit 6.
- the reservoir will preferably have a capacity between three and five liters (3 liters to 5 liters), preferably four liters (4 liters).
- the thermostatic cartridge 12 of the mixer 2 is calibrated so that the first temperature set point T1 can vary between ten degrees Celsius and fifty degrees Celsius (10 ° C ⁇ Tl ⁇ 50 ° C), preferably. It is the same for the thermostatic cartridge 33 of the deflector valve 16.
- the thermostatic cartridge 12 of the mixer 2 is calibrated to allow an adjustment of the temperature set point Tl to a maximum value Tlmax of between forty-six degrees Celsius and fifty degrees Celsius (46 ° C ⁇ Tlmax ⁇ 50 ° C) according to the aforementioned values of ⁇ between T1 and T2.
- the cold inlet 3 and the hot inlet 5 of the mixer 2 are directly connected respectively to the hot water supply duct 4 and to the supply duct in hot water 18.
- the deflector valve 16 is arranged on the shower duct 8, the inlet 17 of said valve 16 being connected to an upstream portion 8c of the shower duct 8.
- the cold outlet 20 of the deflector valve 16 is connected at the inlet 23 of the tank 22 by a fifth intermediate duct 55 and the hot outlet 19 of said valve 16 is connected to a downstream part 8d of the shower duct 8.
- the device 1 comprises a first Venturi 26 which comprises a Venturi tube 27 arranged on the downstream part 8d of the shower duct 8, said tube 27 comprising a section reduction 28 on which is connected a sixth intermediate conduit 56, as shown in Figure 5.
- simultaneous adjustment means are arranged between the thermostatic cartridge 12 of the mixer 2 and the thermostatic cartridge 33 of the deflector valve 16, said simultaneous adjustment means being implemented by the transmission system 35 and the first joystick 9 illustrated in FIG. 3.
- the setting of the temperature setpoint T2 on the deflector valve 16 is carried out instantaneously and in proportion to the setting of the temperature setpoint T1 on the mixer 2, acting on the first handle 9.
- the temperature setpoint T1 on the mixing valve 2 it is however necessary for the temperature setpoint T1 on the mixing valve 2 to be greater than or equal to the temperature setpoint on the deflector valve 16, in order to guarantee that said deviating valve can rock either on the cold outlet 20 when the water at the outlet 7 of the mixer 2 is at a temperature below the set point T2, ie on the hot outlet 19 when the outlet water 7 of said mixer 2 reaches the temperature of the set point T2, the temperature of the water then continuing to rise up to the set temperature Tl set on said mixer 2.
- the device 1 comprises an opening / closing system 13 for the flow of water implemented by a two-way valve 57 arranged on the upstream part 8c of the shower duct 8, between the mixing valve 2 and the deflector valve 16. It could also be arranged this two-way valve 57 on the outlet 7 of the mixer 2.
- the opening and closing of the two-way valve 57 is performed by a joystick 58 that the user controls during his shower to start the flow of water or stop it.
- the device optionally comprises a cocking button 59 arranged downstream of the Venturi 26 and making it possible to trigger the beginning of the flow of water at the outlet of the shower duct 8. This allows the user to start the shower the time he undresses, the water temperature Tl then flowing as soon as he presses on said cocking button 59.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Bathtubs, Showers, And Their Attachments (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1750807A FR3062409B1 (en) | 2017-01-31 | 2017-01-31 | COLD WATER RECOVERY DEVICE FOR SHOWER |
PCT/FR2018/050215 WO2018142060A1 (en) | 2017-01-31 | 2018-01-30 | Cold water recovery device for a shower |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3577282A1 true EP3577282A1 (en) | 2019-12-11 |
EP3577282B1 EP3577282B1 (en) | 2021-01-13 |
Family
ID=58739089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18705694.0A Active EP3577282B1 (en) | 2017-01-31 | 2018-01-30 | Cold water recovery device for a shower |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3577282B1 (en) |
ES (1) | ES2871399T3 (en) |
FR (1) | FR3062409B1 (en) |
WO (1) | WO2018142060A1 (en) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002275966A (en) | 2001-03-22 | 2002-09-25 | Masaharu Onishi | Water heater |
US7490373B1 (en) | 2007-12-19 | 2009-02-17 | Juan Pablo Zavala-Avelar | Shower having a water saving system |
US8876012B2 (en) | 2008-06-03 | 2014-11-04 | John L. MCMURTRY | Water saver system |
US8066196B2 (en) * | 2008-06-03 | 2011-11-29 | Mcmurtry John Lance | Water saver system |
CN202767568U (en) | 2012-08-27 | 2013-03-06 | 张焰玲 | Temperature-regulation water-saving shower room |
CN203022068U (en) | 2013-01-25 | 2013-06-26 | 杨扬 | Water-saving device for shower bath |
KR101598213B1 (en) * | 2013-12-19 | 2016-03-02 | 김재구 | Shower assembly for minimizing waste of water |
WO2016007926A1 (en) * | 2014-07-10 | 2016-01-14 | Xiaoxiao Jin | Shower water conservation system |
BR102014025964A2 (en) * | 2014-10-17 | 2016-07-05 | Camila Rumi Kitagawa | optimization system and reuse of water in shower and taps |
-
2017
- 2017-01-31 FR FR1750807A patent/FR3062409B1/en not_active Expired - Fee Related
-
2018
- 2018-01-30 ES ES18705694T patent/ES2871399T3/en active Active
- 2018-01-30 EP EP18705694.0A patent/EP3577282B1/en active Active
- 2018-01-30 WO PCT/FR2018/050215 patent/WO2018142060A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR3062409B1 (en) | 2019-04-26 |
EP3577282B1 (en) | 2021-01-13 |
WO2018142060A1 (en) | 2018-08-09 |
ES2871399T3 (en) | 2021-10-28 |
FR3062409A1 (en) | 2018-08-03 |
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