WO2014184400A1 - Boiler for machines - Google Patents

Boiler for machines Download PDF

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Publication number
WO2014184400A1
WO2014184400A1 PCT/ES2013/070311 ES2013070311W WO2014184400A1 WO 2014184400 A1 WO2014184400 A1 WO 2014184400A1 ES 2013070311 W ES2013070311 W ES 2013070311W WO 2014184400 A1 WO2014184400 A1 WO 2014184400A1
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WO
WIPO (PCT)
Prior art keywords
chamber
water
boiler
inlet tube
machines according
Prior art date
Application number
PCT/ES2013/070311
Other languages
Spanish (es)
French (fr)
Inventor
Oriol Solanas Romero
Original Assignee
Grupo Romesolan 2005, S.L.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Grupo Romesolan 2005, S.L. filed Critical Grupo Romesolan 2005, S.L.
Priority to PCT/ES2013/070311 priority Critical patent/WO2014184400A1/en
Publication of WO2014184400A1 publication Critical patent/WO2014184400A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/54—Water boiling vessels in beverage making machines
    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
    • F24H1/16—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form helically or spirally coiled
    • F24H1/162—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form helically or spirally coiled using electrical energy supply
    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18—Water-storage heaters
    • F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances

Definitions

  • the present invention relates to a boiler for machines, for example, for a coffee maker, which allows to reduce the consumption of electric energy compared to boilers for conventional machines.
  • a boiler for example of a coffee machine, is nothing more than a container of a certain material, which is filled with water that is heated by a resistor.
  • a thermostat controls the temperature and connects or disconnects the resistance as many times as necessary to keep this temperature constant and as linear as possible.
  • the objective of the present invention is to provide a boiler for machines in which the consumption of electric power is reduced compared to conventional boilers, while maintaining at least the same performance.
  • the boiler for machines according to the present invention comprises:
  • - a chassis that defines in its interior a water chamber provided with an inlet and an outlet of water; - a water inlet tube to said chamber;
  • thermostat that detects the temperature of the water inside said chamber, activating or deactivating said resistance depending on the temperature detected; and characterized in that said water inlet tube is placed around said water chamber, said water inlet tube being in contact with the outside of said water chamber.
  • said water inlet tube is placed around said water chamber helically, and in direct contact with the walls, defining two turns around the chamber, the adjacent turns of each turn being in contact with each other and in contact with the adjacent turns of the other turn.
  • said water inlet tube is made of copper, although it could be of any material that is a good heat conductor, while said chassis is made of aluminum, although it could also be of any material that is a good heat conduit.
  • said water chamber and said water inlet tube are coated, throughout its outer part, by a thermal insulation cover, to avoid heat dissipation.
  • said thermal insulation cover is made of a ceramic paste, although it could be of any suitable material that allows maximum thermal insulation.
  • said chassis preferably comprises a support of a thermally insulating material, and the thermally insulating material of said support is, for example, polyethylene, although it could be any suitable thermally insulating material that supports more than 130 e C and is suitable for feeding.
  • said thermostat is placed directly in contact with the outside of said water chamber, so that the temperature detected by said thermostat is as close as possible to the actual temperature of the water inside the chamber.
  • the essential advantage of the boiler of the present invention over conventional boilers is the reuse of residual heat that dissipates from the chamber to preheat the water before it enters the boiler chamber and eliminate any possible loss. of heat, to keep it as long as possible getting the thermostat to connect the resistance less times, and when it does, do it much less time.
  • Figure 1 is a side sectional view of the machine boiler according to the present invention.
  • the boiler of the present invention is specially designed for use in machines, for example, in a coffee maker, or any other similar machine that needs a boiler, such as a washing machine or a dishwasher.
  • the boiler of the present invention Generally identified by reference numeral 1, it comprises a chassis 2 that defines a water chamber 3, wherein the water is heated for supply to the outside through an outlet 4.
  • Said chassis 2 is made of a thermally conductive material, such like aluminum
  • the boiler 1 of the present invention also comprises a resistor 6 that heats the water inside said chamber 3 when detected, through a thermostat 7 that the temperature of the water in the chamber 3 is lower than a predetermined value.
  • Said thermostat 7 is in direct contact with the outer wall of the chamber 3 to provide as correct a value as possible of the water temperature inside the chamber 3.
  • the boiler 1 of the present invention also comprises a tube 5 connected to an inlet 10 of the water inside the chamber 3. Said tube 5 is placed around said chamber 3 and in contact with the outside of the chamber 3, as is it can be seen in the figure, helically, preferably defining two turns around said chamber 3.
  • said chamber 3 is cylindrical in shape, and said tube 5 is in contact with the lateral surface of the cylinder defined by said chamber 3.
  • This tube 5 which is also of a thermal conductive material, for example of copper, is helically positioned such that the adjacent turns on each turn are in contact with each other and are also in contact with the adjacent turns on the other turn.
  • This arrangement of the tube 5 prevents cold water from entering directly inside the chamber 3, since once the machine is used for the first time, for example, a coffee maker, the residual heat of the chamber 3 will serve to preheat the water in said chamber. tube 5 before it reaches the inside of the chamber 3.
  • the entire chamber 3, except the part where the thermostat 7 is placed, and said tube 5 is covered with a cover 8 of moldable material, prepared to retain heat and prevent any heat leakage.
  • a cover 8 of moldable material prepared to retain heat and prevent any heat leakage.
  • it uses a moldable ceramic paste with a maximum working temperature of about 1098 e C and a refractory capacity of between 98% and 100%.
  • the boiler 1 of the present invention also comprises a support 9, of a material that supports a certain maximum temperature with sufficient margin, which allows it to be used in food products and that is a null thermal conductor.
  • This material is, for example, polyethylene, which has the advantage that it is easily moldable, rigid, supports 150 e C and is suitable for food products.
  • the boiler 1 of the present invention is used in a coffee maker
  • the boiler 1 has been modified increasing its cubic capacity so that when the water enters (for example 25 ce of a coffee), it supposes a lower percentage of the entire water in the boiler and, therefore, has a lower incidence in the temperature decrease.
  • boiler 1 of the present invention When boiler 1 of the present invention is used for the first time it behaves just like a conventional boiler, water enters through the tube 5 to the water chamber 3, where it is heated by resistance 6. When the water reaches a temperature By default, it exits through output 4 and thermostat 7 deactivates said resistance 6.
  • thermostat 7 will detect a higher temperature inside the chamber 3 and will not operate the resistance 6 as many times as in a conventional boiler.

Abstract

The invention relates to a boiler (1) for machines, comprising: a frame (2) defining therein a water chamber (3) provided with an inlet (10) and an outlet (4) for water; a water inlet tube (5) through which water enters the chamber (3); a resistor (6) for heating the water inside the chamber (3); and a thermostat (7) which detects the temperature of the water inside the chamber (3), activating or deactivating the resistor (6) according to the temperature detected. The boiler is characterised in that the water inlet tube (5) is arranged around the water chamber (3), said water inlet tube (5) being in contact with the exterior of the chamber (3). Energy consumption can be reduced owing to the use of the residual heat originating from the chamber of the boiler.

Description

CALDERA PARA MÁQUINAS  BOILER FOR MACHINES
La presente invención se refiere a una caldera para máquinas, por ejemplo, para una cafetera, que permite reducir el consumo de energía eléctrica en comparación con las calderas para máquinas convencionales. The present invention relates to a boiler for machines, for example, for a coffee maker, which allows to reduce the consumption of electric energy compared to boilers for conventional machines.
Antecedentes de la invención Background of the invention
Una caldera, por ejemplo de una máquina de café, no es más que un recipiente de un material determinado, que se llena de agua que se calienta mediante una resistencia. Un termostato controla la temperatura y conecta o desconecta la resistencia las veces necesarias para mantener esta temperatura constante y lo más lineal posible. A boiler, for example of a coffee machine, is nothing more than a container of a certain material, which is filled with water that is heated by a resistor. A thermostat controls the temperature and connects or disconnects the resistance as many times as necessary to keep this temperature constant and as linear as possible.
En una caldera normal, la resistencia calienta el agua y la temperatura se disipa inmediatamente por las paredes externas de la caldera. En una cafetera, la pérdida de temperatura aumenta radicalmente cuando se hace un café, puesto que la bomba introduce agua fría en la caldera, enfriando no sólo las paredes de la caldera donde el termostato toma las medidas, sino directamente el agua del interior. In a normal boiler, the resistance heats the water and the temperature is immediately dissipated by the external walls of the boiler. In a coffee maker, the temperature loss increases dramatically when coffee is made, since the pump introduces cold water into the boiler, cooling not only the walls of the boiler where the thermostat takes measurements, but directly the water inside.
Por lo tanto, el objetivo de la presente invención es proporcionar una caldera para máquinas en la que el consumo de energía eléctrica se reduzca en comparación con las calderas convencionales, manteniendo al menos las mismas prestaciones. Therefore, the objective of the present invention is to provide a boiler for machines in which the consumption of electric power is reduced compared to conventional boilers, while maintaining at least the same performance.
Descripción de la invención Description of the invention
Con la caldera para máquinas de la presente invención se consiguen resolver los inconvenientes citados, presentando otras ventajas que se describirán a continuación. With the boiler for machines of the present invention, the aforementioned drawbacks are resolved, presenting other advantages that will be described below.
La caldera para máquinas según la presente invención comprende: The boiler for machines according to the present invention comprises:
- un chasis que define en su interior una cámara de agua provista de una entrada y de una salida de agua; - un tubo de entrada de agua a dicha cámara; - a chassis that defines in its interior a water chamber provided with an inlet and an outlet of water; - a water inlet tube to said chamber;
- una resistencia que calienta dicha agua en el interior de la cámara; y - a resistor that heats said water inside the chamber; Y
- un termostato que detecta la temperatura del agua en el interior de dicha cámara, activando o desactivando dicha resistencia en función en función de la temperatura detectada; y se caracteriza porque dicho tubo de entrada de agua está colocado alrededor de dicha cámara de agua, estando dicho tubo de entrada de agua en contacto con el exterior de dicha cámara de agua. - a thermostat that detects the temperature of the water inside said chamber, activating or deactivating said resistance depending on the temperature detected; and characterized in that said water inlet tube is placed around said water chamber, said water inlet tube being in contact with the outside of said water chamber.
De esta manera, el agua en el interior del tubo se va calentando antes de introducirse en el interior de la cámara de agua a partir del calor residual que desprende dicha cámara, ahorrando energía. In this way, the water inside the tube is heated before being introduced into the water chamber from the residual heat emitted by said chamber, saving energy.
Según una realización preferida, dicho tubo de entrada de agua está colocado alrededor de dicha cámara de agua helicoidalmente, y en contacto directo con las paredes, definiendo dos vueltas alrededor de la cámara, estando las espiras adyacentes de cada vuelta en contacto entre sí y en contacto con las espiras adyacentes de la otra vuelta. According to a preferred embodiment, said water inlet tube is placed around said water chamber helically, and in direct contact with the walls, defining two turns around the chamber, the adjacent turns of each turn being in contact with each other and in contact with the adjacent turns of the other turn.
Preferentemente, dicho tubo de entrada de agua es de cobre, aunque podría ser de cualquier material que sea un buen conductor de calor, mientras que dicho chasis es de aluminio, aunque también podría ser de cualquier material que sea un buen conducto de calor. Preferably, said water inlet tube is made of copper, although it could be of any material that is a good heat conductor, while said chassis is made of aluminum, although it could also be of any material that is a good heat conduit.
Además, dicha cámara de agua y dicho tubo de entrada de agua están recubiertos, por toda su parte exterior, mediante una cubierta de aislamiento térmico, para evitar la disipación del calor. In addition, said water chamber and said water inlet tube are coated, throughout its outer part, by a thermal insulation cover, to avoid heat dissipation.
Preferentemente, dicha cubierta de aislamiento térmico es de una pasta cerámica, aunque podría ser de cualquier material adecuado que permita un aislamiento érmico máximo. Además, dicho chasis comprende preferentemente un soporte de un material térmicamente aislante, y el material térmicamente aislante de dicho soporte es, por ejemplo, polietileno, aunque podría ser cualquier material adecuado térmicamente aislante que soporte más de 130eC y sea apto para alimentación. Preferably, said thermal insulation cover is made of a ceramic paste, although it could be of any suitable material that allows maximum thermal insulation. In addition, said chassis preferably comprises a support of a thermally insulating material, and the thermally insulating material of said support is, for example, polyethylene, although it could be any suitable thermally insulating material that supports more than 130 e C and is suitable for feeding.
Ventajosamente, dicho termostato está colocado directamente en contacto con el exterior de dicha cámara de agua, de manera que la temperatura detectada por dicho termostato sea lo más cercana posible a la temperatura real del agua en el interior de la cámara. Advantageously, said thermostat is placed directly in contact with the outside of said water chamber, so that the temperature detected by said thermostat is as close as possible to the actual temperature of the water inside the chamber.
Por lo tanto, la ventaja esencial de la caldera de la presente invención respecto a las calderas convencionales es el reaprovechamiento del calor residual que se disipa desde la cámara para precalentar el agua antes de que entre en la cámara de la caldera y eliminar cualquier posible pérdida de calor, para mantenerlo el máximo tiempo posible consiguiendo que el termostato conecte menos veces la resistencia, y cuando lo haga, lo haga mucho menos tiempo. Therefore, the essential advantage of the boiler of the present invention over conventional boilers is the reuse of residual heat that dissipates from the chamber to preheat the water before it enters the boiler chamber and eliminate any possible loss. of heat, to keep it as long as possible getting the thermostat to connect the resistance less times, and when it does, do it much less time.
Breve descripción de los dibujos Brief description of the drawings
Para mejor comprensión de cuanto se ha expuesto, se acompañan unos dibujos en los que, esquemáticamente y tan sólo a título de ejemplo no limitativo, se representa un caso práctico de realización. For a better understanding of how much has been exposed, some drawings are attached in which, schematically and only by way of non-limiting example, a practical case of realization is represented.
La figura 1 es una vista en sección lateral de la caldera para máquinas de acuerdo con la presente invención. Figure 1 is a side sectional view of the machine boiler according to the present invention.
Descripción de una realización preferida Description of a preferred embodiment
En primer lugar, debe indicarse que la caldera de la presente invención está especialmente diseñada para su utilización en máquinas, por ejemplo, en una cafetera, o cualquier otra máquina similar que necesite una caldera, tal como una lavadora o un lavavajillas. First, it should be noted that the boiler of the present invention is specially designed for use in machines, for example, in a coffee maker, or any other similar machine that needs a boiler, such as a washing machine or a dishwasher.
Tal como se puede apreciar en la figura 1 , la caldera de la presente invención, identificada en general mediante la referencia numérica 1 , comprende un chasis 2 que define una cámara de agua 3, en donde el agua se calienta para su suministro al exterior a través de una salida 4. Dicho chasis 2 es de un material conductor térmico, tal como aluminio. As can be seen in Figure 1, the boiler of the present invention, Generally identified by reference numeral 1, it comprises a chassis 2 that defines a water chamber 3, wherein the water is heated for supply to the outside through an outlet 4. Said chassis 2 is made of a thermally conductive material, such like aluminum
La caldera 1 de la presente invención también comprende una resistencia 6 que calienta el agua en el interior de dicha cámara 3 cuando se detecta, a través de un termostato 7 que la temperatura del agua en la cámara 3 es inferior a un valor predeterminado. The boiler 1 of the present invention also comprises a resistor 6 that heats the water inside said chamber 3 when detected, through a thermostat 7 that the temperature of the water in the chamber 3 is lower than a predetermined value.
Dicho termostato 7 está en contacto directo con la pared exterior de la cámara 3 para proporcionar un valor lo más correcto posible de la temperatura del agua en el interior de la cámara 3. Said thermostat 7 is in direct contact with the outer wall of the chamber 3 to provide as correct a value as possible of the water temperature inside the chamber 3.
La caldera 1 de la presente invención también comprende un tubo 5 conectado a una entrada 10 del agua al interior de la cámara 3. Dicho tubo 5 está colocado alrededor de dicha cámara 3 y en contacto con el exterior de la cámara 3, tal como se puede apreciar en la figura, de manera helicoidal, preferentemente definiendo dos vueltas alrededor de dicha cámara 3. The boiler 1 of the present invention also comprises a tube 5 connected to an inlet 10 of the water inside the chamber 3. Said tube 5 is placed around said chamber 3 and in contact with the outside of the chamber 3, as is it can be seen in the figure, helically, preferably defining two turns around said chamber 3.
En la realización representada, dicha cámara 3 es de forma cilindrica, y dicho tubo 5 está en contacto con la superficie lateral del cilindro definido por dicha cámara 3. In the embodiment shown, said chamber 3 is cylindrical in shape, and said tube 5 is in contact with the lateral surface of the cylinder defined by said chamber 3.
Este tubo 5, que también es de un material conductor térmico, por ejemplo de cobre, está colocado helicoidalmente de tal manera que las espiras adyacentes en cada vuelta están en contacto entre sí y también están en contacto con las espiras adyacentes de la otra vuelta. This tube 5, which is also of a thermal conductive material, for example of copper, is helically positioned such that the adjacent turns on each turn are in contact with each other and are also in contact with the adjacent turns on the other turn.
Esta disposición del tubo 5 evita que el agua fría entre directamente al interior de la cámara 3, ya que una vez utilizado por primera vez la máquina, por ejemplo, una cafetera, el calor residual de la cámara 3 servirá para precalentar el agua en dicho tubo 5 antes de que alcance el interior de la cámara 3. This arrangement of the tube 5 prevents cold water from entering directly inside the chamber 3, since once the machine is used for the first time, for example, a coffee maker, the residual heat of the chamber 3 will serve to preheat the water in said chamber. tube 5 before it reaches the inside of the chamber 3.
Además, toda la cámara 3, excepto la parte donde está colocado el termostato 7, y dicho tubo 5 están recubiertos con una cubierta 8 de material moldeable, preparada para retener el calor y evitar cualquier fuga de calor. Según una realización preferida, utiliza una pasta cerámica moldeable con una temperatura máxima de trabajo de unos 1098eC y una capacidad refractaria de entre el 98% y el 100%. In addition, the entire chamber 3, except the part where the thermostat 7 is placed, and said tube 5 is covered with a cover 8 of moldable material, prepared to retain heat and prevent any heat leakage. According to a preferred embodiment, it uses a moldable ceramic paste with a maximum working temperature of about 1098 e C and a refractory capacity of between 98% and 100%.
La caldera 1 de la presente invención también comprende un soporte 9, de un material que soporte una temperatura máxima determinada con margen suficiente, que permita ser utilizado en productos alimentarios y que sea un conductor térmico nulo. Este material es, por ejemplo, polietileno, que presenta la ventaja de que es fácilmente moldeable, rígido, soporta 150eC y es apto para productos alimentarios. The boiler 1 of the present invention also comprises a support 9, of a material that supports a certain maximum temperature with sufficient margin, which allows it to be used in food products and that is a null thermal conductor. This material is, for example, polyethylene, which has the advantage that it is easily moldable, rigid, supports 150 e C and is suitable for food products.
En el caso concreto de que la caldera 1 de la presente invención se utilice en una cafetera, la caldera 1 se ha modificado aumentando su cubicaje de forma que al entrar el agua (por ejemplo 25 ce de un café), suponga un porcentaje menor sobre la totalidad de agua de la caldera y, por lo tanto, tenga una incidencia menor en la disminución de la temperatura. In the specific case that the boiler 1 of the present invention is used in a coffee maker, the boiler 1 has been modified increasing its cubic capacity so that when the water enters (for example 25 ce of a coffee), it supposes a lower percentage of the entire water in the boiler and, therefore, has a lower incidence in the temperature decrease.
Este apartado ha sido probado porque respecto a las cafeteras tradicionales, al calentar mayor cantidad de agua, el consumo debería ser mayor (tan solo en la puesta en marcha desde frío), pero como cualquier posible disipación de temperatura ha sido anulada, el calor se aprovecha mucho mejor y la diferencia es prácticamente imperceptible. This section has been tested because with respect to traditional coffee machines, when heating more water, the consumption should be higher (only in cold start-up), but as any possible temperature dissipation has been canceled, the heat is take advantage of much better and the difference is virtually imperceptible.
El funcionamiento de la caldera de la presente invención es el siguiente: The operation of the boiler of the present invention is as follows:
Cuando se utiliza por primera vez la caldera 1 de la presente invención se comporta igual que una caldera convencional, el agua entra a través del tubo 5 a la cámara de agua 3, donde se calienta mediante la resistencia 6. Cuando el agua alcanza una temperatura predeterminada sale por la salida 4 y el termostato 7 desactiva dicha resistencia 6. When boiler 1 of the present invention is used for the first time it behaves just like a conventional boiler, water enters through the tube 5 to the water chamber 3, where it is heated by resistance 6. When the water reaches a temperature By default, it exits through output 4 and thermostat 7 deactivates said resistance 6.
El calor generado en el interior de la cámara 3 no se disipará al exterior gracias a la presencia de la cubierta 8. De esta manera, cuando se utilice la caldera 1 por segunda vez y las siguientes, el agua se irá calentando al ir pasando por el tubo 5, de manera que ya estará caliente cuando entre en la cámara 3. The heat generated inside the chamber 3 will not dissipate to the outside thanks to the presence of the cover 8. In this way, when the boiler 1 is used a second time and the following ones, the water will heat up as it passes through the tube 5, so it will already be hot when it enters camera 3.
Es importante destacar que el calor se transmitirá mejor en el tubo 5 gracias al contacto entre las espiras definidas por la colocación helicoidal del mismo alrededor de la cámara 3 y por el contacto con la superficie lateral de la propia cámara 3. It is important to note that the heat will be better transmitted in the tube 5 thanks to the contact between the turns defined by the helical placement thereof around the chamber 3 and by the contact with the lateral surface of the chamber 3 itself.
Así, se producirá un importante ahorro de energía, ya que el termostato 7 detectará una temperatura superior en el interior de la cámara 3 y no accionará la resistencia 6 tantas veces como en una caldera convencional. Thus, significant energy savings will occur, since the thermostat 7 will detect a higher temperature inside the chamber 3 and will not operate the resistance 6 as many times as in a conventional boiler.
A pesar de que se ha hecho referencia a una realización concreta de la invención, es evidente para un experto en la materia que la caldera para máquinas descrita es susceptible de numerosas variaciones y modificaciones, y que todos los detalles mencionados pueden ser sustituidos por otros técnicamente equivalentes, sin apartarse del ámbito de protección definido por las reivindicaciones adjuntas. Although reference has been made to a specific embodiment of the invention, it is evident to one skilled in the art that the described boiler for machines is susceptible of numerous variations and modifications, and that all the mentioned details can be replaced by others technically equivalent, without departing from the scope of protection defined by the appended claims.

Claims

REIVINDICACIONES
1 . Caldera (1 ) para máquinas, que comprende: one . Boiler (1) for machines, comprising:
- un chasis (2) que define en su interior una cámara (3) de agua provista de una entrada (10) y de una salida (4) de agua; - a chassis (2) that defines in its interior a water chamber (3) provided with an inlet (10) and a water outlet (4);
- un tubo (5) de entrada de agua a dicha cámara (3); - a water inlet tube (5) to said chamber (3);
- una resistencia (6) que calienta dicha agua en el interior de la cámara (3); y - a resistor (6) that heats said water inside the chamber (3); Y
- un termostato (7) que detecta la temperatura del agua en el interior de dicha cámara (3), activando o desactivando dicha resistencia (6) en función en función de la temperatura detectada; caracterizada porque dicho tubo (5) de entrada de agua está colocado alrededor de dicha cámara (3) de agua, estando dicho tubo (5) de entrada de agua en contacto con el exterior de dicha cámara (3). - a thermostat (7) that detects the temperature of the water inside said chamber (3), activating or deactivating said resistance (6) depending on the temperature detected; characterized in that said water inlet tube (5) is placed around said water chamber (3), said water inlet tube (5) being in contact with the outside of said chamber (3).
2. Caldera (1 ) para máquinas según la reivindicación 1 , en la que dicho tubo (5) de entrada de agua está colocado alrededor de dicha cámara (3) de agua helicoidalmente definiendo dos vueltas alrededor de la cámara (3), estando las espiras adyacentes de cada vuelta en contacto entre sí y en contacto con las espiras adyacentes de la otra vuelta. 2. Boiler (1) for machines according to claim 1, wherein said water inlet tube (5) is placed around said helical water chamber (3) defining two turns around the chamber (3), the adjacent turns of each turn in contact with each other and in contact with the adjacent turns of the other turn.
3. Caldera (1 ) para máquinas según la reivindicación 1 ó 2, en la que dicho tubo (5) de entrada de agua es de cobre. 3. Boiler (1) for machines according to claim 1 or 2, wherein said water inlet tube (5) is copper.
4. Caldera (1 ) para máquinas según la reivindicación 1 , en la que dicho chasis (2) es de aluminio. 4. Boiler (1) for machines according to claim 1, wherein said chassis (2) is made of aluminum.
5. Caldera (1 ) para máquinas según la reivindicación 1 , en la que dicha cámara (3) de agua y dicho tubo (5) de entrada de agua están recubiertos mediante una cubierta (8) de aislamiento térmico. 5. Boiler (1) for machines according to claim 1, wherein said water chamber (3) and said water inlet tube (5) are coated by a thermal insulation cover (8).
6. Caldera (1 ) para máquinas según la reivindicación 5, en la que dicha cubierta (8) de aislamiento térmico es de una pasta cerámica. 6. Boiler (1) for machines according to claim 5, wherein said thermal insulation cover (8) is of a ceramic paste.
7. Caldera (1 ) para máquinas según la reivindicación 1 , en la que dicho chasis (2) comprende un soporte (9) de un material térmicamente aislante. 7. Boiler (1) for machines according to claim 1, wherein said chassis (2) comprises a support (9) of a thermally insulating material.
8. Caldera (1 ) para máquinas según la reivindicación 7, en la que el material térmicamente aislante de dicho soporte (9) es polietileno. 8. Boiler (1) for machines according to claim 7, wherein the thermally insulating material of said support (9) is polyethylene.
9. Caldera (1 ) para máquinas según la reivindicación 1 , en la que dicho termostato (7) está colocado directamente en contacto con el exterior de dicha cámara (3) de agua. 9. Boiler (1) for machines according to claim 1, wherein said thermostat (7) is placed directly in contact with the outside of said water chamber (3).
PCT/ES2013/070311 2013-05-16 2013-05-16 Boiler for machines WO2014184400A1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB547830A (en) * 1941-03-11 1942-09-14 Doris Maud Holmes Improvements in or relating to electric water heaters
US2673920A (en) * 1950-07-20 1954-03-30 Heat X Changer Co Inc Electric heater for water or the like
US20040216615A1 (en) * 2002-11-28 2004-11-04 Lord S.R.L. Drinks dispensing machine
WO2007135519A1 (en) * 2006-05-18 2007-11-29 I.R.C.A. S.P.A. - Industria Resistenze Corazzate E Affini A heat transfer device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB547830A (en) * 1941-03-11 1942-09-14 Doris Maud Holmes Improvements in or relating to electric water heaters
US2673920A (en) * 1950-07-20 1954-03-30 Heat X Changer Co Inc Electric heater for water or the like
US20040216615A1 (en) * 2002-11-28 2004-11-04 Lord S.R.L. Drinks dispensing machine
WO2007135519A1 (en) * 2006-05-18 2007-11-29 I.R.C.A. S.P.A. - Industria Resistenze Corazzate E Affini A heat transfer device

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