FR2557959A1 - Simplified solar water heater. - Google Patents

Simplified solar water heater. Download PDF

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Publication number
FR2557959A1
FR2557959A1 FR8400462A FR8400462A FR2557959A1 FR 2557959 A1 FR2557959 A1 FR 2557959A1 FR 8400462 A FR8400462 A FR 8400462A FR 8400462 A FR8400462 A FR 8400462A FR 2557959 A1 FR2557959 A1 FR 2557959A1
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France
Prior art keywords
water heater
solar
water
simplified
dip tube
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Withdrawn
Application number
FR8400462A
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French (fr)
Inventor
Philippe Geneve
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Individual
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Individual
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Priority to FR8400462A priority Critical patent/FR2557959A1/en
Publication of FR2557959A1 publication Critical patent/FR2557959A1/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00Domestic hot-water supply systems
    • F24D17/0036Domestic hot-water supply systems with combination of different kinds of heating means
    • F24D17/0063Domestic hot-water supply systems with combination of different kinds of heating means solar energy and conventional heaters
    • F24D17/0068Domestic hot-water supply systems with combination of different kinds of heating means solar energy and conventional heaters with accumulation of the heated water
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/12Arrangements for connecting heaters to circulation pipes
    • F24H9/13Arrangements for connecting heaters to circulation pipes for water heaters
    • F24H9/133Storage heaters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The invention relates to a simplified solar water heater which can be fitted to existing or new, conventional installations. This solar water heater is composed of a solar collector 1 connected to a conventional water heater 2 via a T-connector 3, of an immersed pipe 4 and of a non-return flap valve 5. The cold water is taken up from the bottom of the water heater by means of a pump 7 mounted between two valves 8 and 9 and controlled by a differential thermostat 10 connected to two probes 11 and 12 arranged on the cold- water inlet and on the solar collector outlet 1. The inlet of hot water coming from the collector 1 and the outlet of hot water to the user are performed by the same orifice. Applications: installations of sanitary hot water or of central heating.

Description

La présente invention concerne un chauffe-eau solaire simplifié adaptable sur des installations traditionnelles existantes ou neuves. The present invention relates to a simplified solar water heater adaptable to existing existing or new traditional installations.

Actuellement, il existe différents modes d'installation de chauffe-eau solaire, selon qu'il assagit d'un habitat neuf ou d'un habitat existant. Currently, there are different methods of installing solar water heaters, depending on whether it combines a new habitat or an existing habitat.

En habitat neuf, deux cas se présentent, selon qu'il est possible ou non d'installer le capteur solaire plus bas que le chauffeeau. In new homes, two cases arise, depending on whether or not it is possible to install the solar collector lower than the water heater.

Lorsque le capteur solaire peut autre installe plus bas que le chauffe-eau et à proximité de celui-ci, il est possible d'obtenir une circulation suffisante par thermosiphon
Le chauffe-eau est avec ou sans échangeur mais le chauffe-eau électrosolaire avec échangeur est le plus répandu.
When the solar collector can be installed lower than the water heater and close to it, it is possible to obtain sufficient circulation by thermosiphon
The water heater is with or without exchanger but the electro-solar water heater with exchanger is the most common.

Ce type d'installation constitue une solution simple, mais pré- sente l'inconvénient de ne pouvoir être réalisé que tres rarernent, puisqu'il faut que le capteur solaire soit situé plus bas que le chauffe-eau et à proximité de celui-ci. De plus, dans oe cas, le chauffe-eau solaire doit posséder au moins trois orifices au minimum9 ce qui nécessite une fabrication spéciale. This type of installation constitutes a simple solution, but has the drawback of being only very rare, since the solar collector must be located lower than and near the water heater. . In addition, in this case, the solar water heater must have at least three orifices at least9 which requires special manufacturing.

Lorsque le capteur solaire ne peut autre disposé plus bas que le chauffe-eau, et que, en conséquence, on ne peut recourir au thermosi pion, la circulation forcée s'impose. On peut utiliser, dans ce cas, des chauffe-eau avec ou sans echangeur mais, comme dans le cas préc4- dent, le chauffe-eau electrosolaire avec échangeur est le plus courant.Ce type d'installation offre l'avantage de permettre le monta- ge du capteur à plus grande distance du chauffe-eau, sans aucune contrainte quant au niveau par rapport à celui-ci, mais présente, par contre, l'inconvénient autre beaucoup plus coûteux étant donné le recours à une centrale de régulation compliquée comprenant notamment une pompe et un thermostat différentiel. De plus, dans ce cas aussi, le chauffe-eau doit posséder au moins trois orifices au minimum. When the solar collector can not be placed lower than the water heater, and therefore, thermosi pion cannot be used, forced circulation is necessary. Water heaters with or without exchanger can be used in this case, but, as in the previous case, the electro-solar water heater with exchanger is the most common. This type of installation offers the advantage of allowing mounting the sensor at a greater distance from the water heater, without any constraint as to the level relative to the latter, but has, on the other hand, the other disadvantage much more expensive given the use of a complicated central control unit including a pump and a differential thermostat. In addition, in this case too, the water heater must have at least three ports at least.

En habitat existant, comme en habitat neuf, le thermosiphon peut être utilisé lorsque le capteur solaire peut être installé plus bas que le chauffe-eau et à proximité de celui-ci, et la circulation forcée doit être utilise dans le cas contraire, mais le chauffe-eau solaire doit être impérativement disposé en amont de l'installation existante et ce chauffe-eau solaire doit comporter trois orifices au minimum
Le chauffe-eau solaire selon l'invention, vise h remédier h ces inconvénients, car avec celui-ci, en effet, aucun orifice sup- plémentaire sur le chauffe-eau n'est nécessaire et celui-ci peut être constitué d'un chauffe-eau électrique standard, ce qui élimine le besoin d'un chauffe-eau solaire de fabrication spéciale monté en amont de l'installation existante. I1 en résulte une simplification de l'installation et une réduction importante du prix de revient de celle-ci, puisque le chauffe-eau solaire représente parfois Jusqu' 40 % du'prix total de la fourniture.
In existing housing, as in new housing, the thermosiphon can be used when the solar collector can be installed lower than the water heater and near it, and forced circulation must be used otherwise, but the solar water heater must be placed upstream of the existing installation and this solar water heater must have at least three ports
The solar water heater according to the invention aims to remedy these drawbacks, because with the latter, in fact, no additional orifice on the water heater is necessary and the latter may consist of a standard electric water heater, eliminating the need for a specially manufactured solar water heater mounted upstream of the existing installation. This results in a simplification of the installation and a significant reduction in the cost price thereof, since the solar water heater sometimes represents up to 40% of the total price of the supply.

Ce chauffe-eau solaire simplifié permet donc, soit l'utilisation de chauffe-eau standard du commerce, soit 1tadaptation directe sur des chauffe-eau de chaudibre existants, en éliminant le besoin d'un chauffe-eau solaire spécial. This simplified solar water heater therefore allows either the use of standard commercial water heaters, or direct adaptation to existing boiler water heaters, eliminating the need for a special solar water heater.

Le chauffe-eau selon l'invention, se caractérise principalement en ce que le capteur solaire est raccordé a un chauffe-eau standard par lintermXdiaire d'un raccord en T, d'un tube plongeur et d un clapet anti-retour, monté en amont du tube plongeur. The water heater according to the invention is mainly characterized in that the solar collector is connected to a standard water heater by means of a T-connector, a dip tube and a non-return valve, mounted in upstream of the dip tube.

L'entrée et la sortie d'eau chaude dans le chauffe-eau s'effectuent par l'orifice de sortie traditionnel, par l'intermédiaire du raccord en T et du tube plongeur. The hot water enters and exits the water heater through the traditional outlet, via the T-connector and the dip tube.

Le tube plongeur est introduit dans le chauffe-eau, après avoir traversé la partis droite du raccord en T. The dip tube is inserted into the water heater, after passing through the right side of the T-connector.

Les diamètres intérieur et extérieur du tube plongeur sont choisis de façon que la section intérieure de celui-ci soit sensiblement égale à la section annulaire comprise entre la paroi externe du tube plongeur et la paroi interne du raccord en T. The inside and outside diameters of the dip tube are chosen so that the inside section thereof is substantially equal to the annular section between the outer wall of the dip tube and the inner wall of the T-connector.

La longueur du tube plongeur est déterminée de façon que celuici débouche dans la demi-partie inférieure du chauffe-eau. The length of the dip tube is determined so that it opens into the lower half of the water heater.

Lorsque le capteur solaire est combiné à un autre moyen de chauffage, l'eau contenue dans le bas du chauffe-eau est véhiculée dans le capteur solaire, pour y être chauffée ou préchauffée, par 1' intermédiaire d'une pompe, montée entre deux vannes de réglage et d' arrêt, commandée ou non par un thermostat différentiel relié å deux sondes thermostatiquess disposées respectivement sur l'arrivée d'eau froide et la sortie d'eau chaude du capteur solaire. When the solar collector is combined with another heating means, the water contained in the bottom of the water heater is conveyed in the solar collector, to be heated or preheated there, by means of a pump, mounted between two adjustment and stop valves, controlled or not by a differential thermostat connected to two thermostatic probes arranged respectively on the cold water inlet and the hot water outlet of the solar collector.

L'installation est complétée d'un purgeur et d'une vanne antigel. The installation is completed with a trap and an antifreeze valve.

D'autres caractéristiques et avantages apparaîtront dans la description qui va suivre d'un chauffe-eau solaire simplifié, réalisé selon l'invention, donné å titre d'exemple non limitatif au regard du dessin annexé représentant un schéma de l'installation. Other characteristics and advantages will appear in the following description of a simplified solar water heater, produced according to the invention, given by way of nonlimiting example with regard to the appended drawing representing a diagram of the installation.

En examina le schéma de cette installation, on remarque que le chauffe-eau solaire simplifié est constitué principalement d'un capteur solaire I, d'un chauffe-eau standard 2, d'un raccord en T 3, d' un tube plongeur 4, d'un clapet anti-retour 5, d'un moyen de chauffage 6 d'une pompe 7, de vannes d'arrêt et de réglage 8 et 9E, d'un thermostat différentiel IO reliés b deux sondes thermostatiques II et
I2, d'une vanne antigel I3, d'un purgeur 14 et d'un groupe de sécurité I5.
By examining the diagram of this installation, we note that the simplified solar water heater consists mainly of a solar collector I, a standard water heater 2, a T-connector 3, a dip tube 4 , a non-return valve 5, a heating means 6, a pump 7, stop and control valves 8 and 9E, a differential thermostat IO connected to two thermostatic probes II and
I2, an antifreeze valve I3, a vent valve 14 and a safety group I5.

Ainsi, comme on le voit, l'eau froide qui arrive dans le bas du chauffe-eau classique 2 par l'intermédiaire d'un groupe de sécurité 15, est véhiculé vers le capteur solaire I par l'intermédiaire de la pompe 7, dont le fonctionnement est commandé par le thermostat différentiel IO relié aux sondes thermostatiques II et I2, montées respectivement sur l'arrivée de l'eau froide et sur la sortie du capteur solaire I, de façon à asservir le débit d'eau circulant dans ce dernier à l'écart de température existant entre la partie basse du chauffe-eau 2 et la sortie du capteur solaire I. Thus, as can be seen, the cold water which arrives at the bottom of the conventional water heater 2 via a safety group 15, is conveyed to the solar collector I via the pump 7, whose operation is controlled by the differential thermostat IO connected to the thermostatic probes II and I2, mounted respectively on the cold water inlet and on the output of the solar collector I, so as to control the water flow circulating in this the latter at the temperature difference between the lower part of the water heater 2 and the output of the solar collector I.

L'eau sortant au capteur solaire I est réintroduite dans le chauffe-eau 2 par l'intermédiaire du tube plongeur 4 dont ltextrêmité débouche dans la demi-partie inférieure du chauffe-eau 2. The water leaving the solar collector I is reintroduced into the water heater 2 by means of the dip tube 4, the end of which opens into the lower half-part of the water heater 2.

Afin que l'arrivée et la sortie d'eau-chaude puissent s'effec- tuer par l'orifice traditionnel de sortie d'eau chaude du chauffe- eau, le tube plongeur pénètre par cet orifice après avoir traversé la partie droite d'un raccord en T 3 préalablement monté sur cet orifice de sortie. So that the hot water inlet and outlet can be made through the traditional hot water outlet orifice of the water heater, the dip tube penetrates through this orifice after crossing the right part of a T-fitting 3 previously mounted on this outlet orifice.

Le tube plongeur 4, muni d'un clapet anti-retour 5, est ainsi vissé a ltextrtmité libre de la partie droite du raccord en T 3 de façon a assurer l'étanchéité tout en permettant le passage de l'eau chaude vers le circuit d'utilisation par l'intermédiaire de la partie à angle droit du raccord en T 3. The dip tube 4, fitted with a non-return valve 5, is thus screwed at the free end of the straight part of the T-connector 3 so as to ensure sealing while allowing the passage of hot water to the circuit. of use through the right angle part of the T-connector 3.

Le diamètre extérieur du tube plongeur 4 est déterminé de façon que la section annulaire comprise entre sa paroi extérieure et la paroi intérieure du raccord en T 3 soit au moins égale à sa section de passage. The outside diameter of the dip tube 4 is determined so that the annular section between its outside wall and the inside wall of the T-connector 3 is at least equal to its passage section.

Le clapet anti-retour 5 est monté en amont du raccord en T 3 de façon à permettre le passage de l'eau provenant du capteur solaire I vers l'intérieur du chauffe-eau 2 tout en s'opposant au retour de celle-ci vers le capteur. The non-return valve 5 is mounted upstream of the T-connector 3 so as to allow the passage of the water coming from the solar collector I towards the interior of the water heater 2 while opposing the return of the latter. to the sensor.

Ainsi, dans la version combinée à un autre moyen de chauffage, tel que des résistances électriques par exemple, celles-ci ne seront mises sous tension, par l'intermédiaire du thermostat propre au chauffe-eau, que pour fournir l'appoint de chaleur nécessaire à celle récupérée par le capteur solaire; ce qui se produira lorsque l'ensoleillement sera insuffisant, la nuit, par exemple, ou lorsque des débits d'eau chaude importants seront demandés. Thus, in the version combined with another heating means, such as electrical resistances for example, these will be energized, via the thermostat specific to the water heater, only to provide additional heat necessary for that recovered by the solar collector; this will happen when there is insufficient sunshine, at night, for example, or when high hot water flows are requested.

Par ce moyen, comme on le voit, le capteur solaire peut être raccordé directement à un chauffe-eau électrique ordinaire ou à un chauffe-eau/chaudière, en utilisant une régulation particulièrement simplifiée. Dans les régions à risque de gel, le montage d'une vanne anti-gel I3 en partie haute de l'installation, sur la sortie du chauffe-eau, permet-dldviter la détérioration par le gel, lorsque le chauffe-eau est utilisé pour produire de l'eau chaude sanitaire qui ne peut être, de ce fait, additionnée d'un liquide anti-gel. By this means, as can be seen, the solar collector can be connected directly to an ordinary electric water heater or to a water heater / boiler, using a particularly simplified regulation. In regions at risk of frost, the mounting of an anti-freeze valve I3 in the upper part of the installation, on the outlet of the water heater, prevents deterioration by frost, when the water heater is used to produce domestic hot water which cannot therefore be added with an anti-freeze liquid.

D'autres installations pourront Outre réalisées selon cette technique lorsqu'on voudra adopter un modèle courant de chauffe-eau, afin de lui adjoindre un mode de chauffage complémentaire de celui existant.  Other installations may also be carried out according to this technique when it is desired to adopt a current model of water heater, in order to add to it a mode of heating complementary to the existing one.

Claims (6)

REVENDICATIONS Ir Chauffe-eau solaire simplifié, caractérisé en ce que le capteur solaire (I) est raccordé à un chauffe-eau standard (2) par l'intermédiaire d'un raccord en T (3), d'un tube plongeur (4) et d1 un clapet anti-retour (5) monté en amont du tube plongeur (4).CLAIMS Ir Simplified solar water heater, characterized in that the solar collector (I) is connected to a standard water heater (2) via a T-connector (3), a dip tube (4 ) and a non-return valve (5) mounted upstream of the dip tube (4). 2. Chauffe-eau solaire simplifié, selon la revendication I, caractérisé en ce que l'entrée et la sortie d'eau chaude du chauffe eau (2) s'effectuent par lsorifico de sortie traditionnel, par l'in- termédiaire du raccord en T (3) et du tube plongeur (4). 2. Simplified solar water heater, according to claim I, characterized in that the entry and exit of hot water from the water heater (2) is effected by traditional outlet lsorifico, via the connector. in T (3) and the dip tube (4). 3. Chauffe-eau solaire simplifié, selon la rovendication 2, caractérisé en ce que le tube plongeas (4) est introduit dans le chauffe-eau (2) après avoir traversé la partie droite du raccord en 3. Simplified solar water heater, according to claim 2, characterized in that the plunger tube (4) is introduced into the water heater (2) after having crossed the right part of the fitting in T (3).T (3). 47. Chauffe-eau solaire simplifié, selon la revcndeation 3, caractérisé en ce que les diamètres intérieur et extérieur du tube plongeur (4) sont choisis de façon que la section intérieure de ce lui-ci soit sensiblement égale à la section annulaire comprise entre la paroi externe du tube plongeur (4) et la paroi interne du raccord en T (3). 47. Simplified solar water heater, according to revcndeation 3, characterized in that the inside and outside diameters of the dip tube (4) are chosen so that the inside section thereof is substantially equal to the annular section between the outer wall of the dip tube (4) and the inner wall of the T-connector (3). 5. Chauffe-eau solaire simplifié, selon les revendications I et 3, caractérisé en ce que la longueur du tube plongeur (4) est dé- terminée de façon que celui-ci débouche dans la demi-partie inférieu- re du chauffe-eau (2). 5. Simplified solar water heater, according to claims I and 3, characterized in that the length of the dip tube (4) is determined so that it opens into the lower half of the water heater (2). 6. Chauffe-eau solaire simplifié, selon la revendication I, caractérisé en ce que le capteur solaire (î) est combiné à un autre moyen (6) de chauffage de l'eau.  6. Simplified solar water heater, according to claim I, characterized in that the solar collector (î) is combined with another means (6) for heating the water. 7. Chauffe(eau solaire simplifié, selon les revendications 1 et6 caractérisé en ce que, lorsque le capteur solaire est combiné à un autre moyen de chauffage (6), l'eau contenue dans le bas du chauffeeau (2) est véhiculée dans le capteur solaire (I) par l'intermédiaire d'une pompe (7) montée entre deux vannes de réglage et d'arrêt (8 et 9), commandée ou non par un thermostat différentiel (îo) relié à deux sondes thermostatiquos (II et I2) disposées respectivement sur l'arrivée d'eau froide au chauffe-eau (2) et à la sortie du capteur so laire (I).  7. Heater (simplified solar water, according to claims 1 and6 characterized in that, when the solar collector is combined with another heating means (6), the water contained in the bottom of the heater (2) is conveyed in the solar collector (I) by means of a pump (7) mounted between two regulation and stop valves (8 and 9), controlled or not by a differential thermostat (îo) connected to two thermostatic probes (II and I2) arranged respectively on the cold water inlet to the water heater (2) and at the outlet of the solar collector (I). 8. Chauffe-eau solaire simplifié, selon la revendication I, caractérisé en ce qu'unie vanne antigel (I3) et un purgeur (14) sont montés à la sortie du capteur solaire (I).  8. Simplified solar water heater, according to claim I, characterized in that a united antifreeze valve (I3) and a trap (14) are mounted at the outlet of the solar collector (I).
FR8400462A 1984-01-11 1984-01-11 Simplified solar water heater. Withdrawn FR2557959A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8400462A FR2557959A1 (en) 1984-01-11 1984-01-11 Simplified solar water heater.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8400462A FR2557959A1 (en) 1984-01-11 1984-01-11 Simplified solar water heater.

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FR2557959A1 true FR2557959A1 (en) 1985-07-12

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FR8400462A Withdrawn FR2557959A1 (en) 1984-01-11 1984-01-11 Simplified solar water heater.

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FR (1) FR2557959A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2249098A1 (en) * 2003-08-14 2006-03-16 Repsol Butano, S.A. Device for regulation of temperature of automatic cartridge system in hybrid facility, has solar panels connected in hot water entrance of thermostatic valve via conduction part sprung from heater

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2722888A1 (en) * 1977-05-20 1978-11-23 Herbert Manthey Solar heat hot water storage tank with filling tube - ensures hot water drawing once solar energy collector becomes effective
US4329979A (en) * 1978-03-13 1982-05-18 Grumman Aerospace Corporation Solar heating system
DE3221105A1 (en) * 1982-06-04 1983-12-08 Stiebel Eltron Gmbh & Co Kg, 3450 Holzminden Inlet arrangement for a hot-water storage tank

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2722888A1 (en) * 1977-05-20 1978-11-23 Herbert Manthey Solar heat hot water storage tank with filling tube - ensures hot water drawing once solar energy collector becomes effective
US4329979A (en) * 1978-03-13 1982-05-18 Grumman Aerospace Corporation Solar heating system
DE3221105A1 (en) * 1982-06-04 1983-12-08 Stiebel Eltron Gmbh & Co Kg, 3450 Holzminden Inlet arrangement for a hot-water storage tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2249098A1 (en) * 2003-08-14 2006-03-16 Repsol Butano, S.A. Device for regulation of temperature of automatic cartridge system in hybrid facility, has solar panels connected in hot water entrance of thermostatic valve via conduction part sprung from heater

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