EP2770270A1 - Apparatus for heating and hot-water production - Google Patents

Apparatus for heating and hot-water production Download PDF

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Publication number
EP2770270A1
EP2770270A1 EP20140156007 EP14156007A EP2770270A1 EP 2770270 A1 EP2770270 A1 EP 2770270A1 EP 20140156007 EP20140156007 EP 20140156007 EP 14156007 A EP14156007 A EP 14156007A EP 2770270 A1 EP2770270 A1 EP 2770270A1
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EP
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Prior art keywords
reservoir
enclosure
heat
tank
heat pump
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EP20140156007
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German (de)
French (fr)
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EP2770270B1 (en
Inventor
Georges Khoury
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Sanden Manufacturing Europe SAS
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Sanden Manufacturing Europe SAS
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    • 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
    • F24H6/00Combined water and air heaters

Abstract

The apparatus (1) has a reservoir (2) containing water, and a heat source i.e. electrical resistor (4) for heating the water. The reservoir is placed in an insulating enclosure (3), where an area of the reservoir is not in direct contact with a wall of the insulating enclosure, and the area communicates with the exterior of the insulating enclosure. The area is opposite an opening (320) that forms a window of a wall of the insulating enclosure. The opening is equipped with a flap pivotable around a vertical or horizontal axis.

Description

L'invention concerne un appareil de chauffage et de production d'un fluide de stockage d'énergie, tel que de l'eau chaude, qui comporte un réservoir dans lequel est contenu ledit fluide, une source thermique pour chauffer ce fluide, ainsi qu'une enceinte isolante dans laquelle est placé le réservoir.The invention relates to an apparatus for heating and producing an energy storage fluid, such as hot water, comprising a reservoir in which said fluid is contained, a heat source for heating the fluid, and an insulating enclosure in which the tank is placed.

Dans l'ensemble de la présente demande, l'exemple de fluide choisi est l'eau.Throughout the present application, the fluid example selected is water.

Dans le langage courant, un tel appareil est généralement désigné sous l'expression "ballon d'eau chaude".In common parlance, such apparatus is generally referred to as "hot water tank".

Un tel réservoir, dont la contenance peut être de quelques dizaines à quelques centaines de litres, permet de disposer d'eau chaude sanitaire.Such a tank, whose capacity may be from a few tens to a few hundred liters, provides hot water.

Généralement, ce réservoir est ceinturé par une enceinte thermiquement isolante, afin de réduire au maximum les pertes de chaleur.Generally, this tank is surrounded by a thermally insulating enclosure, in order to minimize heat loss.

Le réservoir peut aussi être utilisé pour chauffer un espace tel qu'une pièce de vie et utilise à cet effet un échangeur de chaleur hydraulique. L'échangeur de chaleur transfère la chaleur du réservoir vers des "émetteurs" de chaleur, à savoir des radiateurs, via un réseau de tubes, une pompe, etc.The tank can also be used to heat a space such as a living room and uses for this purpose a hydraulic heat exchanger. The heat exchanger transfers heat from the reservoir to heat "transmitters", ie radiators, via a network of tubes, a pump, etc.

Ce système est complexe et d'un prix de revient élevé. De plus, sa performance est faible en raison des pertes de chaleur vers le radiateur.This system is complex and a high cost. In addition, its performance is low due to heat loss to the radiator.

Et ceci est d'autant plus aberrant lorsque l'on a à chauffer une petite surface telle qu'une chambre, un bureau ou un studio.And this is all the more absurd when you have to heat a small area such as a bedroom, an office or a studio.

Par ailleurs, on connaît notamment par les documents US 6,237,544 , US 7,337,753 , US 5,146,911 et US 6,318,304 des structures de ballons d'eau chaude dont l'eau est chauffée par un brûleur à gaz disposé sous le ballon et à l'intérieur de l'enceinte thermiquement isolé. Il existe un espace entre la paroi externe du ballon et la paroi interne de l'enceinte, afin que les éventuelles fumées circulent. De tels dispositifs sont dangereux, tout particulièrement en raison de la présence d'un brûleur à gaz dans l'enceinte isolante.Moreover, we know in particular by the documents US 6,237,544 , US7,337,753 , US 5,146,911 and US 6,318,304 hot water balloon structures whose water is heated by a gas burner disposed under the balloon and inside the thermally insulated chamber. There is a space between the outer wall of the balloon and the inner wall of the enclosure, so that any smoke flows. Such devices are dangerous, especially because of the presence of a gas burner in the insulating enclosure.

Partant de cet état de la technique, la présente invention a pour but de pallier les inconvénients énumérés ci-dessus.From this state of the art, the present invention aims to overcome the disadvantages listed above.

En d'autres termes, elle vise à fournir un appareil de chauffage et de production d'un fluide de stockage d'énergie qui soit de structure simple, économique et qui permette d'utiliser le réservoir de fluide chaud comme source de chauffage.In other words, it aims to provide an apparatus for heating and producing an energy storage fluid that is simple in structure, economical and that allows the use of the hot fluid reservoir as a heating source.

Ainsi, la présente invention se rapporte à un appareil de chauffage et de production d'un fluide de stockage d'énergie tel que d'eau chaude, qui comporte un réservoir dans lequel est contenue ledit fluide, une source thermique pour chauffer le fluide, ainsi qu'une enceinte isolante dans laquelle est placé le réservoir, ledit réservoir comprenant au moins une zone qui n'est pas en contact direct avec la paroi de l'enceinte, cette zone communiquant avec l'extérieur de cette enceinte isolante et étant en regard d'une ouverture formant fenêtre que comporte la paroi de ladite enceinte, ouverture pourvue d'au moins un volet permettant de l'obturer à la demande, caractérisé par le fait que ledit volet est constitué d'une partie verticale de l'enceinte qui est mobile en translation par rapport à une seconde partie fixe de l'enceinte, ces deux parties étant coaxiales, mais de diamètre différent.Thus, the present invention relates to an apparatus for heating and producing an energy storage fluid such as hot water, which comprises a reservoir in which said fluid is contained, a heat source for heating the fluid, and an insulating enclosure in which the reservoir is placed, said reservoir comprising at least one zone which is not in direct contact with the wall of the enclosure, this zone communicating with the outside of this insulating enclosure and being in view of a window opening that includes the wall of said enclosure, opening provided with at least one shutter for closing on demand, characterized in that said flap is constituted by a vertical portion of the enclosure which is movable in translation relative to a second fixed part of the enclosure, these two parts being coaxial, but of different diameter.

Selon d'autres caractéristiques non limitatives et avantageuses de l'invention :

  • la portion du réservoir qui est en regard de la partie mobile dudit volet en ceinturée par un enroulement hélicoïdal d'échange thermique connectée à une source thermique ;
  • ladite source thermique est notamment choisie dans la liste suivante : panneau solaire, chaudière ou pompe à chaleur déportée à l'extérieur du réservoir, résistance électrique, brûleur, notamment brûleur à gaz, condenseur d'une pompe à chaleur, chaudière ou pompe à chaleur intégrée dans le réservoir, poêle (à bois ou biomasse), échangeur connecté à une source d'énergie telle que chaudière, pompe à chaleur, panneau solaire ou poêle, ou une combinaison quelconque de certains de ceux-ci ;
  • ladite ouverture est pourvue d'une série de lamelles parallèles destinées à orienter le flux d'air réchauffé et à augmenter la surface d'échange avec l'air, ces lamelles étant de préférence fixées sur le réservoir de fluide ;
  • ladite source thermique est un échangeur, et ce dernier est connecté en série avec un second échangeur qui échange avec l'air ;
  • la surface du réservoir est ondulée.
According to other nonlimiting and advantageous features of the invention:
  • the portion of the reservoir facing the movable portion of said flap surrounded by a helical heat exchange coil connected to a thermal source;
  • said heat source is in particular chosen from the following list: solar panel, boiler or remote heat pump outside the tank, electrical resistance, burner, in particular gas burner, condenser of a heat pump, boiler or heat pump integrated in the tank, stove (wood or biomass), heat exchanger connected to a source of energy such as boiler, heat pump, solar panel or stove, or any combination of some of these;
  • said opening is provided with a series of parallel lamellae for directing the flow of heated air and for increasing the exchange surface with air, these lamellae preferably being fixed to the fluid reservoir;
  • said heat source is an exchanger, and the latter is connected in series with a second exchanger which exchanges with the air;
  • the tank surface is corrugated.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre. Elle sera faite en référence aux dessins annexés dans lesquels :

  • les figures 1 et 2 sont des vues analogues, en coupe longitudinale, d'un mode de réalisation montrant deux positions différentes d'un volet coulissant ;
  • la figure 3 est similaire aux deux figures précédentes, mais montrent un mode de réalisation additionnel ;
  • enfin, les figures 4 et suivantes montrent des variantes de réalisation du dispositif de la figure 3.
Other features and advantages of the invention will appear on reading the detailed description which follows. It will be made with reference to the accompanying drawings in which:
  • the Figures 1 and 2 are similar views, in longitudinal section, of an embodiment showing two different positions of a sliding shutter;
  • the figure 3 is similar to the two previous figures, but show an additional embodiment;
  • finally, figures 4 and following show alternative embodiments of the device of the figure 3 .

En se reportant aux figures 1 et 2, on a affaire à une première forme de réalisation de l'invention relativement simple.Referring to Figures 1 and 2 this is a first, relatively simple embodiment of the invention.

Cet appareil 1 comprend un réservoir 2 d'eau chaude de type connu, par exemple en métal et d'une contenance d'une centaine de litres.This apparatus 1 comprises a tank 2 of hot water of known type, for example metal and a capacity of a hundred liters.

Ses faces supérieure et inférieure sont planes ou sensiblement planes, tandis que sa surface latérale, est cylindrique. Bien entendu, toute autre forme de réservoir (ou "ballon") peut être envisagée.Its upper and lower faces are flat or substantially planar, while its lateral surface is cylindrical. Of course, any other form of tank (or "balloon") may be considered.

Ce réservoir renferme un moyen de chauffage non représenté de l'eau qui consiste en une résistance électrique. Bien entendu, tout autre moyen de chauffage, intégré dans le réservoir ou situé à l'extérieur de celui-ci peut être envisagé. Il s'agit par exemple de l'un et/ou l'autre des moyens suivants : bruleur à gaz ou condenseur d'une pompe à chaleur ou un échangeur connecté à une source d'énergie (chaudière, pompe à chaleur, panneau solaire, poêle, etc.)This reservoir contains a heating means (not shown) of water which consists of an electrical resistance. Of course, any other heating means integrated in the tank or located outside thereof can be considered. This is for example one and / or the other of the following means: gas burner or condenser of a heat pump or an exchanger connected to a power source (boiler, heat pump, solar panel , stove, etc.)

Toujours de manière connue, le réservoir est disposé à l'intérieur et ceinturé par une enceinte 3 en matériau qui est un isolant thermique, ceci, afin de perdre le minimum de calories emmagasinées par l'eau.Still in a known manner, the reservoir is disposed inside and surrounded by an enclosure 3 of material which is a thermal insulator, this, in order to lose the minimum of calories stored by the water.

A titre d'exemple, le matériau qui constitue l'enceinte isolante 3 est de la mousse de polyuréthane. On peut bien entendu faire usage d'autres matériaux tels que polypropylène, polystyrène extrudé, polystyrène expansé, mousse phénolique, ou tout type de matériau qui a une faible conductivité thermique (λ inférieure à 0.1 W/(m.K).By way of example, the material that constitutes the insulating enclosure 3 is polyurethane foam. It is of course possible to use other materials such as polypropylene, extruded polystyrene, expanded polystyrene, phenolic foam, or any type of material that has low thermal conductivity (λ less than 0.1 W / (mK).

Son sommet est référencé 30, tandis que sa base est référencée 31.Its top is referenced 30, while its base is referenced 31.

La paroi latérale de l'enceinte est constituée de deux parties, en l'occurrence d'une première partie 32' qui est mobile en translation par rapport à une seconde partie fixe 32 de l'enceinte. Bien entendu, ces deux parties 32 et 32' sont coaxiales, mais de diamètre différent. Ici, la partie 32' a le plus petit diamètre.The side wall of the enclosure consists of two parts, in this case a first portion 32 'which is movable in translation relative to a second fixed portion 32 of the enclosure. Of course, these two parts 32 and 32 'are coaxial, but of different diameter. Here, the portion 32 'has the smallest diameter.

Cela est clairement illustré aux figures 1 et 2, les deux parties 32 et 32' étant représentées à la figure 1 dans leur position de fermeture, tandis qu'elles sont représentées en position d'ouverture à la figure 2. Dans cette configuration, l'air extérieur peut lécher la surface du réservoir 2.This is clearly illustrated in Figures 1 and 2 , the two parts 32 and 32 'being represented at figure 1 in their closed position, while they are shown in the open position at the figure 2 . In this configuration, the outside air can lick the surface of the tank 2.

Bien entendu, des moyens de guidage et de déplacement non représentés équipent cet appareil.Of course, unrepresented guiding and moving means equip this apparatus.

A la figure 3, la partie mobile 32' est celle qui a le plus grand diamètre et est déplacée vers le haut pour découvrir la surface du réservoir. On met à profit l'espace à l'aplomb de la partie fixe 32 pour mettre en place un échangeur de chaleur externe hélicoïdal 7. Dans ces conditions, le "radiateur" qui réchauffe l'air extérieur est constitué par la paroi du réservoir 2 et l'échangeur 7.To the figure 3 , the movable portion 32 'is the one with the largest diameter and is moved upwards to discover the surface of the tank. The space above the fixed part 32 is used to set up a helical external heat exchanger 7. Under these conditions, the "radiator" which heats the outside air is constituted by the wall of the tank 2 and the exchanger 7.

Bien entendu, l'échangeur peut avoir une autre forme (par exemple constitué de tubes parallèles). A la base, cet échangeur est destiné à chauffer l'eau du ballon à partir d'une source d'énergie à l'extérieur du réservoir de stockageOf course, the exchanger may have another shape (for example consisting of parallel tubes). At the base, this exchanger is intended to heat the water of the balloon from a source of energy outside the storage tank

L'appareil de la figure 4 est du même type. Toutefois, l'échangeur 7 est connecté, via des tuyaux 70 et 71, ainsi qu'une pompe 72, à un panneau solaire P.The apparatus of the figure 4 is the same type. However, the exchanger 7 is connected via pipes 70 and 71 and a pump 72 to a solar panel P.

Il s'agit bien entendu d'un simple exemple. En lieu et place du panneau solaire, on peut envisager un bruleur à gaz, un condenseur de pompe à chaleur ou un échangeur connecté à une source d'énergie (chaudière, pompe à chaleur, panneau solaire, poêle, etc.)This is of course a simple example. Instead of the solar panel, a gas burner, a heat pump condenser or an exchanger connected to an energy source (boiler, heat pump, solar panel, stove, etc.) can be envisaged.

A la figure 5, l'échangeur 7 est connecté à une pompe à chaleur 8 de type connu, qui ne sera donc pas détaillée ici. Cette pompe à chaleur repose sur la partie supérieure 30 de l'enceinte, de sorte que l'encombrement au sol de l'appareil est le même que dans les modes de réalisation décrits plus hauts.To the figure 5 the exchanger 7 is connected to a heat pump 8 of known type, which will not be detailed here. This heat pump rests on the upper part 30 of the enclosure, so that the footprint of the device is the same as in the embodiments described above.

On peut aussi imaginer que la pompe à chaleur soit déportée loin du réservoir, avec une connexion adaptée.One can also imagine that the heat pump is remote from the tank, with a suitable connection.

Cet échangeur contient du réfrigérant ou bien un fluide caloporteur qui récupère les calories de la pompe à chaleur et les injecte dans l'eau du réservoir.This exchanger contains refrigerant or a heat transfer fluid that recovers heat pump calories and injects them into the tank water.

Le mode de réalisation de la figure 6 est identique au précédent, si ce n'est que l'on a monté en série avec la pompe à chaleur 8 un condenseur 9 monté au niveau de l'ouverture dégagée par la partie coulissante 32.The embodiment of the figure 6 is identical to the previous one, except that a condenser 9 has been mounted in series with the heat pump 8, mounted at the opening disengaged by the sliding part 32.

Quand l'eau contenue dans le réservoir est suffisamment chaude, l'échangeur 7 (qui peut être aussi bien à l'intérieur qu'à l'extérieur du réservoir) arrête de chauffer cette eau et on opère alors un réchauffage de l'air environnant, par le biais du condenseur 9 ou d'un refroidisseur à gaz.When the water contained in the reservoir is sufficiently hot, the exchanger 7 (which may be both inside and outside the reservoir) stops heating this water and then operates a reheating of the air surrounding, through the condenser 9 or a gas cooler.

La figure 7 représente une variante de l'appareil de la figure 6, dans lequel on a intercalé, entre la paroi du réservoir 2 et le condenseur 9, un ventilateur 6 qui a pour fonction essentielle de provoquer un brassage de l'air à réchauffer.The figure 7 represents a variant of the apparatus of the figure 6 , in which is interposed between the wall of the tank 2 and the condenser 9, a fan 6 whose essential function is to cause a stirring of the air to be heated.

La figure 8 représente une variante de réalisation de l'appareil de la figure 4, dans laquelle un ventilateur 6 est placé dans l'ouverture 320, ainsi qu'un échangeur de chaleur additionnel 9'. De plus, l'échangeur 7 est connecté au panneau solaire P via cet échangeur additionneur 9' et la pompe 72.The figure 8 represents an alternative embodiment of the apparatus of the figure 4 , in which a fan 6 is placed in the opening 320, as well as an additional heat exchanger 9 '. In addition, the exchanger 7 is connected to the solar panel P via this adding heat exchanger 9 'and the pump 72.

La variante de la figure 9 diffère de celle de la figure 8 en ce que le panneau solaire P est remplacé par un brûleur à gaz ou fioul B.The variant of the figure 9 differs from that of figure 8 in that the solar panel P is replaced by a gas or oil burner B.

Il est bien entendu possible de modifier la source, avec une chaudière ou panneau solaire par exemple.It is of course possible to modify the source, with a boiler or solar panel for example.

Le système peut aussi être couplé à un panneau solaire ou chaudière à gaz. Dans ce cas, l'échangeur n'est par frigorifique mais hydraulique.The system can also be coupled to a solar panel or gas boiler. In this case, the exchanger is not refrigerating but hydraulic.

Le circuit ou raccordement entre la pompe à chaleur et l'échangeur du ballon peut être hydraulique ou frigorifique.The circuit or connection between the heat pump and the tank heat exchanger can be hydraulic or refrigerating.

Le circuit pour les autres sources d'énergies (Panneau solaire, chaudière, etc.) seulement est hydraulique.The circuit for other sources of energy (solar panel, boiler, etc.) only is hydraulic.

Claims (6)

Appareil (1) de chauffage et de production d'un fluide de stockage d'énergie tel que de l'eau, qui comporte un réservoir (2) dans lequel est contenu ledit fluide, une source thermique (4) pour chauffer l'eau, ainsi qu'une enceinte isolante (3) dans laquelle est placé le réservoir (2), ledit réservoir comprenant au moins une zone (22) qui n'est pas en contact direct avec la paroi de l'enceinte (3), cette zone communiquant avec l'extérieur de cette enceinte isolante (3) et étant en regard d'une ouverture (320) formant fenêtre que comporte la paroi de ladite enceinte, ouverture (320) pourvue d'au moins un volet (5, 5') permettant de l'obturer à la demande, caractérisé par le fait que ledit volet est constitué d'une partie verticale de l'enceinte (32') qui est mobile en translation par rapport à une seconde partie fixe de l'enceinte (32), ces deux parties étant coaxiales, mais de diamètre différent.Apparatus (1) for heating and producing an energy storage fluid such as water, which comprises a reservoir (2) in which said fluid is contained, a heat source (4) for heating the water , and an insulating enclosure (3) in which the reservoir (2) is placed, said reservoir comprising at least one zone (22) which is not in direct contact with the wall of the enclosure (3), this zone communicating with the outside of this insulating enclosure (3) and facing a window opening (320) that includes the wall of said enclosure, opening (320) provided with at least one flap (5, 5 ') ) for closing on demand, characterized in that said flap consists of a vertical portion of the enclosure (32 ') which is movable in translation relative to a second fixed portion of the enclosure (32 ), these two parts being coaxial, but of different diameter. Appareil selon la revendication 1, caractérisé par le fait que la portion du réservoir qui est en regard de la partie mobile (32') dudit volet est ceinturée par un enroulement hélicoïdal (7) d'échange thermique connectée à une source thermique (4, 8).Apparatus according to claim 1, characterized in that the portion of the reservoir which is opposite the movable portion (32 ') of said flap is surrounded by a helical winding (7) of heat exchange connected to a heat source (4, 8). Appareil selon la revendication 2, caractérisé par le fait que ladite source thermique (4, 8) est notamment choisie dans la liste suivante : panneau solaire, chaudière ou pompe à chaleur déportée à l'extérieur du réservoir, résistance électrique, bruleur à gaz, condenseur d'une pompe à chaleur, chaudière ou pompe à chaleur intégrée dans le réservoir, poêle à bois ou à biomasse, échangeur connecté à une source d'énergie (chaudière, pompe à chaleur, panneau solaire, poêle, etc.) ou une combinaison de ceux-ci.Apparatus according to claim 2, characterized in that said heat source (4, 8) is chosen in particular from the following list: solar panel, boiler or heat pump remote from the tank, electrical resistance, gas burner, condenser of a heat pump, boiler or heat pump integrated in the tank, wood or biomass stove, heat exchanger connected to a source of energy (boiler, heat pump, solar panel, stove, etc.) or a combination of these. Appareil selon l'une des revendications précédentes, caractérisé par le fait que ladite ouverture (320) est pourvue d'une série de lamelles parallèles destinées à orienter le flux d'air réchauffé et à augmenter la surface d'échange avec l'air, ces lamelles étant de préférence fixées sur le réservoir de fluide (2).Apparatus according to one of the preceding claims, characterized in that said opening (320) is provided with a series of parallel strips for directing the flow of heated air and increasing the exchange surface with air, these strips being preferably fixed on the fluid reservoir (2). Appareil selon la revendication 3, dans lequel ladite source thermique (4,8) est un échangeur, caractérisé par le fait que ce dernier est connecté en série avec un second échangeur qui échange avec l'air.Apparatus according to claim 3, wherein said heat source (4,8) is a heat exchanger, characterized in that last is connected in series with a second exchanger that exchanges with the air. Appareil selon l'une des revendications précédentes, caractérisée en ce que la surface du réservoir (2) est ondulée.Apparatus according to one of the preceding claims, characterized in that the surface of the tank (2) is corrugated.
EP14156007.8A 2013-02-20 2014-02-20 Apparatus for heating and hot-water production Active EP2770270B1 (en)

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FR1351455A FR3002310B1 (en) 2013-02-20 2013-02-20 APPARATUS FOR HEATING AND PRODUCTION OF HOT WATER

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EP2770270A1 true EP2770270A1 (en) 2014-08-27
EP2770270B1 EP2770270B1 (en) 2015-11-04

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1449384A (en) * 1922-11-28 1923-03-27 Demarest John Heater for buildings
US2654361A (en) * 1949-09-06 1953-10-06 Schlueter Co Combination water and space combustion heater
DE906987C (en) * 1951-09-29 1954-03-25 Wilhelm Boehnke Air heater with fan and electrically heated hot water boiler as a heat generator
GB752878A (en) * 1953-05-15 1956-07-18 D M Cuthell & Company Ltd Improvements in or relating to space heaters and to cabinets therefor
GB2165349A (en) * 1984-10-04 1986-04-09 British Gas Corp Space heating apparatus
FR2661241A1 (en) * 1990-04-24 1991-10-25 Frisquet Sa Apparatus with accumulation for producing domestic hot water and for heating

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643323A (en) * 1952-05-01 1953-06-23 Clifford E Carlson Combination space and water heating unit
US2715177A (en) * 1953-03-18 1955-08-09 Albert A Pfingsten Space heater attachment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1449384A (en) * 1922-11-28 1923-03-27 Demarest John Heater for buildings
US2654361A (en) * 1949-09-06 1953-10-06 Schlueter Co Combination water and space combustion heater
DE906987C (en) * 1951-09-29 1954-03-25 Wilhelm Boehnke Air heater with fan and electrically heated hot water boiler as a heat generator
GB752878A (en) * 1953-05-15 1956-07-18 D M Cuthell & Company Ltd Improvements in or relating to space heaters and to cabinets therefor
GB2165349A (en) * 1984-10-04 1986-04-09 British Gas Corp Space heating apparatus
FR2661241A1 (en) * 1990-04-24 1991-10-25 Frisquet Sa Apparatus with accumulation for producing domestic hot water and for heating

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FR3002310A1 (en) 2014-08-22
EP2770270B1 (en) 2015-11-04
FR3002310B1 (en) 2016-07-15

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