EP1408282A1 - Procédé et installation de fourniture d'eau chaude à température constante - Google Patents
Procédé et installation de fourniture d'eau chaude à température constante Download PDFInfo
- Publication number
- EP1408282A1 EP1408282A1 EP03292510A EP03292510A EP1408282A1 EP 1408282 A1 EP1408282 A1 EP 1408282A1 EP 03292510 A EP03292510 A EP 03292510A EP 03292510 A EP03292510 A EP 03292510A EP 1408282 A1 EP1408282 A1 EP 1408282A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- hot water
- storage
- water supply
- zone
- 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
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Classifications
-
- 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
- F24D17/0026—Domestic hot-water supply systems with conventional heating means
- F24D17/0031—Domestic hot-water supply systems with conventional heating means with accumulation of the heated water
-
- 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
-
- 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
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/212—Temperature of the water
- F24H15/219—Temperature of the water after heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/305—Control of valves
- F24H15/32—Control of valves of switching valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/305—Control of valves
- F24H15/325—Control of valves of by-pass valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
- F28D20/0039—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material with stratification of the heat storage material
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/042—Temperature sensors
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/08—Storage tanks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
- F28D2020/0069—Distributing arrangements; Fluid deflecting means
Definitions
- the subject of the present invention is a method of supplying hot water to constant temperature, regardless of hot water consumption, from of water coming from a cold water supply network and passing successively in a heating zone, a storage zone and then the water supply network hot to users, means of determining the water temperature being arranged between the heating zone and the storage zone. It also has subject an installation for the implementation of the above method.
- This process and this installation relate more particularly to production domestic hot water at constant temperature.
- the method according to the present invention makes it possible to solve these problems and, in particular, to obtain an energy optimization of the installation.
- the area of water storage consists of a single storage tank.
- the area of water storage is made up of several successive storage tanks. These balloons can be arranged in series and / or in parallel.
- the installation limits the development of bacteria, in particular the development of legionella.
- FIG. 1 represents an embodiment of an installation operating according to the method of the invention, and comprising a single storage flask.
- FIGS. 2A to 2C represent another embodiment of a installation operating according to the method of the invention, and comprising several balloons of storage.
- FIG. 2A corresponds to the operating mode known as "with storage area charged”.
- FIG. 2B corresponds to the operating mode known as "with excess of fetching".
- FIG. 2C corresponds to the operating mode known as "with recharging of storage ".
- water from a network cold water supply Rf (not shown) is brought by a first water supply line 1 to a water heating zone 2, this heating being provided by a 2 'circuit.
- This heating circuit can be subdivided into several successive or parallel circuits.
- Line 1 then passes from this heating zone 2 to a zone of storage 3 of the water thus heated.
- This storage area is formed by a single hot water storage tank 31 at the top of which opens the line 1.
- a second line 4 starting from the upper part of the balloon 31 leads to the Rc network (not shown) for supplying hot water.
- a third regulating valve 6 On this first line of bypass 5 is arranged a third regulating valve 6.
- a third bypass line 10 starting from point B of line 1 water inlet, located between the probe S and the second regulating valve 11, upstream of the first hot water storage tank, opens into the upper part of the storage tank.
- a fourth regulating valve 12 is disposed on this third bypass line 10.
- a pipe 21 for supplying a stream of hot water recycling water opens into line 1 between the control valve 13 and the heating zone 2.
- Control means (shown in dotted lines) control the openings and closings of control valves 13, 11, 6, 9, 12 and the operation of the pump 8 as a function of the temperature determined by the probe S, according to the operating conditions which are explained below.
- the storage area can be made up of several tanks arranged in series and / or in parallel.
- this storage area comprises several balloons, connected to each other by forming a series of balloons.
- Another possibility is, for example that two or more batteries made up of one or several balloons are arranged in parallel, i.e. the pipe inlet 1 is subdivided into as many inlet ducts as the number of batteries present and that the last balloons of each battery leave as many conduits joining in line 4 for supplying hot water.
- the pipe inlet 1 is subdivided into as many inlet ducts as the number of batteries present and that the last balloons of each battery leave as many conduits joining in line 4 for supplying hot water.
- the first balloon of each series would lead, in the upper part, to the different conduits in which line 1 is subdivided and in the lower part the different lines in which line 5 would be subdivided.
- Ducts joining together to form pipe 4 would then connect the upper part of the last storage balloon 31 of each series to the hot water supply network to users.
- bypass line 10 would be subdivided into as many conduits as series of balloons which would open out in the upper part of each of the last balloons 31 of each series.
- Figures 2A to 2C show an installation similar to that of Figure 1, except that the storage area 3 is formed by three storage tanks 33, 32 and 31, arranged in series, the upper part of the balloons 33 and 32 being joined by the line 1 at the bottom of the tanks 32 and 31 respectively.
- FIG. 2A corresponds to the case of the so-called “storage area” operation charged “, that is to say an operating mode in which the flow of water drawn of the storage area 3, and which is intended to be supplied to the supply network Rc hot water through line 4, is equal to the cold water supply rate, coming from the cold water supply network Rf, brought by line 1.
- the water is drawn entirely from the area of storage.
- control valves 13 and 11 are open. They ensure, for the control valve 13, the flow of 3 m3 / h and, for the control valve 11, the flow of 3m3 added to that recycling water supplied via line 21. Exchange capacity and power available allow constant temperature.
- FIG. 2B corresponds to the case of the so-called "excess drawing” operation, an operating mode in which the flow rate of the drawing is greater than the capacity for hot water production by the heating zone. This is the case where the hot water consumption by users is greater than the capacity of production; this therefore corresponds to peak consumption.
- the water is drawn in part by water from the storage and partly by water from the heating zone.
- the S probe controls the opening of the control valves 13, 12 and 6 and the closing of the control valves 11 and 9, the pump 8 being stopped.
- the current of 1.5 m 3 / h of line 5, which has a temperature of 18 ° C, after passing through the regulating valve 6, is brought into the lower part of the storage tank 33 from where it passes into the storage flask 32 then into the storage flask 31.
- a current of 3 m 3 / h, at a temperature of 60 ° C, is drawn from the tank 31 and brought by line 4, to the hot water supply network Rc.
- the temperature the water contained in the storage tanks 33, 32 and 31 is 60 ° C.
- an interface is created which moves to the as hot water is drawn from line 4.
- This possibility of excess drawdown operation can be implemented until the interface, between water at 18 ° C and water at 60 ° C, arrives in the storage tank 31 at proximity of the upper part of this storage tank 31.
- the duration of this operating mode with excess drawing depends on the volume of the area storage and excess drawdown compared to production capacity.
- FIG. 2C corresponds to the case of the operation known as "with recharging of the storage ", a mode of operation in which the flow rate of the drawing is lower to the hot water production capacity by the heating zone, the excess water hot product is returned to storage for replenishment thermal.
- the second stream of cold water brought by line 5 comes from the first storage tank 33 of the storage area 3 and is returned by the pump 8 of the second bypass circuit 7 to line 5 and point A.
- the valve regulator 6, on line 5 is closed and regulating valve 9 is adjusted to maintain a temperature of 60 ° C at the level of probe S.
- the current of 1 m 3 / h passing through the regulating valve 13 is added with 0.5 m 3 / h of hot recycling water, at a temperature of 50 ° C., brought by line 21 into line 1 ; thus 1.5 m 3 / h of water at a temperature of 28.66 ° C. are brought to the heating zone 2 which they leave at the temperature of 60 ° C.
- control means associated with the probe S control the opening of the control valves 13, 12 and 9, the closure of control valves 11 and 6 and the pump operation 8.
- the 1.5 m 3 / h of water at 28.66 ° C. are then introduced via the bypass line 10 into the upper part of the storage flask 31 at a temperature of 60 ° C.
- the direction of circulation of the water in the storage area 3 is then reversed, that is to say that the hot water at 60 ° C., brought by the bypass pipe 10 into the storage tank 31, when the tank 31 is full of hot water, is brought, at a flow rate of 0.5 m 3 / h to fill the tank 32 then the tank 33 successively.
- a current of 1 m 3 / h, at a temperature of 60 ° C is drawn from the tank 31 and brought by line 4, to the hot water supply zone Rc.
- the temperature of the water contained in the storage tanks 33 and 32 is 18 ° C.
- an interface which moves as the hot water is drawn.
- This possibility of operation with automatic reloading of the storage area can be implemented until the interface, between water at 18 ° C and water at 60 ° C, arrives in storage tank 33 near the bottom of this storage tank 33.
- the duration of this operating mode with excess of drawdown depends on the volume of the storage area and the reloading capacity.
- the transition from one operating mode to another is determined by the temperature variations measured by the probe S.
- this passage is determined by the variations in the hot water drawing rate by users.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Description
En outre, ce procédé et cette installation peuvent être étendus à tous types de production et/ou de besoins. Ce procédé peut tout particulièrement être mis en oeuvre pour l'optimisation thermique d'installations du domaine de la géothermie, de la co-génération et des chaudières à condensation.
- un mode de fonctionnement dans lequel le débit de puisage étant égal au débit de l'alimentation en eau froide, le puisage est totalement assuré par de l'eau provenant de la zone de stockage,
- un mode de fonctionnement dans lequel le débit du puisage étant supérieur à la capacité de production d'eau chaude par la zone de chauffage, le puisage est assuré pour partie par de l'eau provenant du stockage et pour partie par de l'eau provenant de la zone de chauffage,
- un mode de fonctionnement dans lequel le débit du puisage étant inférieur à la capacité de production d'eau chaude par la zone de chauffage, l'excès d'eau chaude produite est retourné vers le stockage pour en assurer la reconstitution thermique.
- un jeu de conduites comportant une conduite d'arrivée d'eau froide provenant d'un réseau d'alimentation en eau froide et une conduite de fourniture d'eau chaude à un réseau de fourniture d'eau chaude aux usagers,
- une zone de chauffage de l'eau amenée par la conduite d'arrivée d'eau, provenant du réseau d'alimentation en eau froide,
- une zone de stockage de l'eau chaude, comprenant au moins un ballon de stockage à la partie supérieure duquel débouche la conduite d'arrivée d'eau,
- la conduite de fourniture d'eau chaude reliant la partie supérieure du dernier ballon de stockage de la zone de stockage au réseau de fourniture d'eau chaude aux usagers,
- une sonde de détermination de la température de l'eau, disposée sur la conduite d'arrivée d'eau, entre la zone de chauffage et la zone de stockage,
- une première vanne de régulation, disposée sur la conduite d'arrivée d'eau, entre la sonde et la zone de stockage,
- une première conduite de dérivation partant d'un point de la conduite d'arrivée d'eau, situé en amont de la zone de chauffage, et débouchant dans la partie inférieure du premier ballon de stockage,
- une seconde vanne de régulation disposée sur la première conduite de dérivation,
- une seconde conduite de dérivation, court-circuitant la seconde vanne de régulation, sur laquelle sont disposées une pompe et une troisième vanne de régulation,
- une troisième conduite de dérivation partant d'un point de la conduite d'arrivée d'eau, situé entre la sonde et la première vanne de régulation, en amont du premier ballon de stockage d'eau chaude et débouchant à la partie supérieure du dernier ballon de stockage, une quatrième vanne de régulation étant disposée sur cette troisième conduite de dérivation,
- des moyens de contrôle de température commandant les ouvertures et fermetures des vannes de régulation et le fonctionnement de la pompe.
- une première vanne de régulation 13, entre le réseau d'alimentation en eau froide Rf et la zone de chauffage de l'eau 2,
- une sonde S de détermination de la température de l'eau, entre la zone de chauffage de l'eau 2 et la zone de stockage 3,
- une seconde vanne de régulation 11, entre la sonde S et la zone de stockage 3.
- que le débit de puisage de l'eau chaude par la conduite 4 soit indépendant des capacités hydrauliques du circuit primaire de chauffage 2,
- que la température de l'eau chaude fournie au réseau Rc de fourniture d'eau chaude soit conforme à la valeur de consigne, quels que soient les besoins du puisage et ceci de façon optimisée,
- la température de retour est optimisée.
Claims (7)
- Procédé de production et de stockage d'eau chaude à température constante, indépendamment du volume de puisage de l'eau chaude, à partir d'eau froide provenant d'un réseau d'alimentation en eau froide (Rf) et passant successivement dans une zone de chauffage (2), une zone de stockage (3) puis un réseau de fourniture d'eau chaude (Rc), des moyens de détermination de la température de l'eau (S) étant disposés entre la zone de chauffage (2) et la zone de stockage (3), ce procédé impliquant :un mode de fonctionnement dans lequel le débit de puisage de l'eau étant égal au débit de l'alimentation en eau froide, le puisage est totalement assuré par de l'eau provenant de la zone de stockage (3),un mode de fonctionnement dans lequel le débit du puisage étant supérieur à la capacité de production d'eau chaude par la zone de chauffage (2), le puisage est assuré au moins pour partie par de l'eau provenant de la zone de stockage (3) et pour partie par de l'eau provenant de la zone de chauffage (2),un mode de fonctionnement dans lequel le débit du puisage étant inférieur à la capacité de production d'eau chaude par la zone de chauffage (2), l'excès d'eau chaude produite est retourné vers la zone de stockage (3) pour en assurer la reconstitution thermique.
- Installation pour la mise en oeuvre du procédé selon la revendication 1, comprenant :et comportant en outre :un jeu de conduites (1,4) comportant une conduite d'arrivée d'eau froide (1) provenant d'un réseau d'alimentation en eau froide (Rf) et une conduite de fourniture d'eau chaude (4) à un réseau (Rc) de fourniture d'eau chaude aux usagers,une zone de chauffage de l'eau (2) amenée par la conduite d'arrivée d'eau (1), provenant du réseau d'alimentation en eau froide (Rf),une zone de stockage de l'eau chaude (3), comprenant au moins un ballon de stockage (31, 32, 33) à la partie supérieure duquel débouche la conduite (1) d'arrivée d'eau,la conduite (4) reliant la partie supérieure du dernier ballon de stockage (31) de la zone de stockage (3) au réseau (Rc) de fourniture d'eau chaude aux usagers,une sonde (S) de détermination de la température de l'eau, disposée sur la conduite (1) d'arrivée d'eau, entre la zone de chauffage (2) et la zone de stockage (3),une première vanne de régulation (11), disposée sur la conduite (1) d'arrivée d'eau, entre la sonde (S) et la zone de stockage (3),une première conduite de dérivation (5) partant d'un point (A) de la conduite (1) d'arrivée d'eau, situé en amont de la zone de chauffage (2), et débouchant dans la partie inférieure du premier ballon de stockage (33),une seconde vanne de régulation (6) disposée sur la première conduite de dérivation (5),une seconde conduite de dérivation (7), court-circuitant la seconde vanne de régulation (6), sur laquelle sont disposées une pompe (8) et une troisième vanne de régulation (9),une troisième conduite de dérivation (10) partant d'un point (B) de la conduite (1) d'arrivée d'eau, situé entre la sonde (S) et la première vanne de régulation (11), en amont du premier ballon de stockage d'eau chaude (33) et débouchant à la partie supérieure du dernier ballon de stockage (31), une quatrième vanne de régulation (12) étant disposée sur cette troisième conduite de dérivation (10),des moyens de contrôle commandant les ouvertures et fermetures des vannes de régulation (6, 9, 11, 12) et le fonctionnement de la pompe (8).
- Installation selon la revendication 2, dans laquelle la zone de stockage (3) de l'eau, est formée d'un seul ballon de stockage (31).
- Installation selon la revendication 2, dans laquelle la zone de stockage (3) de l'eau, est formée de plusieurs ballons (33, 32, 31) de stockage successifs.
- Installation selon la revendication 4, dans laquelle les ballons de stockage (33, 32, 31) sont disposés en série et/ou en parallèle.
- Installation selon la revendication 5, dans laquelle la zone de stockage (3) est formée de séries de ballons (33, 32, 31) disposées en parallèle, la conduite d'arrivée d'eau (1) et la première conduite de dérivation (5) débouchant respectivement en partie supérieure et en partie inférieure du premier ballon de chaque série, tandis que la conduite (4) de fourniture d'eau chaude relie la partie supérieure du dernier ballon (31) de chaque série au réseau (Rc) de fourniture d'eau chaude aux usagers et la troisième conduite de dérivation (10) débouche à la partie supérieure du dernier ballon (31) de stockage de chaque série.
- Installation selon une quelconque des revendications 2 à 6, pour limiter le développement des bactéries, en particulier le développement de la légionella.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SI200332371T SI1408282T1 (sl) | 2002-10-11 | 2003-10-10 | Instalacija za pripravo tople vode konstantne temperature |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0212670 | 2002-10-11 | ||
| FR0212670A FR2845760A1 (fr) | 2002-10-11 | 2002-10-11 | Procede et installation de fourniture d'eau chaude a temperature constante |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1408282A1 true EP1408282A1 (fr) | 2004-04-14 |
| EP1408282B1 EP1408282B1 (fr) | 2014-05-28 |
Family
ID=32011546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03292510.9A Expired - Lifetime EP1408282B1 (fr) | 2002-10-11 | 2003-10-10 | Installation de fourniture d'eau chaude à température constante |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1408282B1 (fr) |
| DE (1) | DE03292510T1 (fr) |
| ES (1) | ES2226601T1 (fr) |
| FR (1) | FR2845760A1 (fr) |
| SI (1) | SI1408282T1 (fr) |
| TR (1) | TR200401670T3 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576067A (zh) * | 2017-08-08 | 2018-01-12 | 芜湖职业技术学院 | 家庭热水器节水装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3353530A (en) * | 1966-04-08 | 1967-11-21 | Leslie Co | Hot water supply system |
| FR2389838A2 (en) * | 1977-05-04 | 1978-12-01 | Saunier Duval | Domestic hot water circulator - has branch circuit with circulation pump and storage tank of sufficient capacity to supply several taps simultaneously |
| DE3145636A1 (de) * | 1980-12-01 | 1982-07-01 | Rembert 6845 Hohenems Zortea | Heizanlage zur warmwasserbereitung |
| US4363221A (en) * | 1979-08-20 | 1982-12-14 | Singh Kanwal N | Water heating system having a heat pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6125880A (en) * | 1999-10-13 | 2000-10-03 | Komfort 2001 Ltd. | Mass flow (volume flow) stabilized circulation network |
-
2002
- 2002-10-11 FR FR0212670A patent/FR2845760A1/fr not_active Withdrawn
-
2003
- 2003-10-10 TR TR2004/01670T patent/TR200401670T3/xx unknown
- 2003-10-10 DE DE03292510T patent/DE03292510T1/de active Pending
- 2003-10-10 SI SI200332371T patent/SI1408282T1/sl unknown
- 2003-10-10 ES ES03292510T patent/ES2226601T1/es active Pending
- 2003-10-10 EP EP03292510.9A patent/EP1408282B1/fr not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3353530A (en) * | 1966-04-08 | 1967-11-21 | Leslie Co | Hot water supply system |
| FR2389838A2 (en) * | 1977-05-04 | 1978-12-01 | Saunier Duval | Domestic hot water circulator - has branch circuit with circulation pump and storage tank of sufficient capacity to supply several taps simultaneously |
| US4363221A (en) * | 1979-08-20 | 1982-12-14 | Singh Kanwal N | Water heating system having a heat pump |
| DE3145636A1 (de) * | 1980-12-01 | 1982-07-01 | Rembert 6845 Hohenems Zortea | Heizanlage zur warmwasserbereitung |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576067A (zh) * | 2017-08-08 | 2018-01-12 | 芜湖职业技术学院 | 家庭热水器节水装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| TR200401670T3 (fr) | 2004-09-21 |
| ES2226601T1 (es) | 2005-04-01 |
| DE03292510T1 (de) | 2004-10-21 |
| FR2845760A1 (fr) | 2004-04-16 |
| SI1408282T1 (sl) | 2014-12-31 |
| EP1408282B1 (fr) | 2014-05-28 |
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