WO2022112635A1 - Outdoor stove - Google Patents

Outdoor stove Download PDF

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Publication number
WO2022112635A1
WO2022112635A1 PCT/ES2021/070842 ES2021070842W WO2022112635A1 WO 2022112635 A1 WO2022112635 A1 WO 2022112635A1 ES 2021070842 W ES2021070842 W ES 2021070842W WO 2022112635 A1 WO2022112635 A1 WO 2022112635A1
Authority
WO
WIPO (PCT)
Prior art keywords
flame
base
outdoor stove
stove according
fuel
Prior art date
Application number
PCT/ES2021/070842
Other languages
Spanish (es)
French (fr)
Inventor
Jordi Granados I Wehrle
Jordi Carnicé Puig
Original Assignee
Jordi Granados I Wehrle
Carnice Puig Jordi
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
Priority claimed from ES202032547U external-priority patent/ES1259500Y/en
Priority claimed from ES202130027U external-priority patent/ES1263994Y/en
Application filed by Jordi Granados I Wehrle, Carnice Puig Jordi filed Critical Jordi Granados I Wehrle
Priority to US18/254,344 priority Critical patent/US20240102661A1/en
Priority to EP21897248.7A priority patent/EP4253863A1/en
Priority to CA3200082A priority patent/CA3200082A1/en
Publication of WO2022112635A1 publication Critical patent/WO2022112635A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C5/00—Stoves or ranges for liquid fuels
    • F24C5/20—Stoves or ranges for liquid fuels with special adaptation for travelling, e.g. collapsible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C5/00—Stoves or ranges for liquid fuels
    • F24C5/18—Liquid-fuel supply arrangements forming parts of stoves or ranges

Definitions

  • the present invention relates to an outdoor stove.
  • heating systems that use electricity, either in the form of projector screens equipped with halogen or infrared lamps located in the upper areas of the terraces and nightstands, or tables with some heating element already either by infrared or by electrical resistances that usually have the heat generator at its base or on a column.
  • Appliances that use gas are highly polluting and, for this reason, they are already prohibited or have an announced expiration date in all the countries of the European Union.
  • the electrical elements also do not comply with the literal nature of this regulation due to the fact that there are thermal and nuclear power plants, with which, and in origin, the energy produced is not renewable or sustainable and is also polluting.
  • an objective of the present invention is to provide an outdoor stove that heats the environment by means of an air convection system in a channeled, controlled and adjustable way, which allows the use of fuels from authorized non-conventional energies, these being sustainable, renewable and non-polluting energies, and that also optimize their performance and consumption, also avoiding possible burns due to physical contact.
  • Another objective of the outdoor stove according to the present invention is to be able to refuel it while it is in operation, without the need to stop its operation.
  • the outdoor stove according to the present invention comprises:
  • the stove comprises a base on which the fuel tank and the burner are arranged, said base comprising a fuel refueling pipe in communication with the fuel tank, said pipe being separated from the flame generated by the burner .
  • said refueling pipe comprises a removable cap.
  • said base is frustoconical in shape, with the refueling pipe placed on the side wall of said frustoconical shape, and the flame generated by the burner is placed in the upper central part of said frustoconical shape.
  • the fuel used in the patio heater in accordance with the present invention is ethanol, although any suitable fuel could be used.
  • the base also comprises a flame regulator, for example, of pivoting type, which allows the intensity of the flame to be adjusted or its extinguishing from the outside of the stove.
  • a flame regulator for example, of pivoting type, which allows the intensity of the flame to be adjusted or its extinguishing from the outside of the stove.
  • the base may include wheels.
  • the outdoor stove according to the present invention preferably comprises an air diffuser at the top of the combustion chamber.
  • the surface of the flame outlet occupies between 5% and 20% of the surface of the base.
  • the surface of the flame outlet occupies between 9% and 14% of the surface of the base.
  • the volume of the combustion chamber is between 0.10 and 0.20 cubic meters, in particular, it is between 0.11 and 0.18 cubic meters, depending on its surface and its height from the base. of the flame
  • the shape that the flame exit hole may have can be regular or irregular, but preferably its limits are as far away as possible from the walls of the combustion chamber of the stove, therefore, it is recommended that it be placed centered on the base.
  • the heat transfer system is by air convection, transporting the heated air upwards inside the combustion chamber.
  • the stove through the air inlets and outlets, it causes a channeled, controlled and regulated ascending air current that comes into contact with a fire flame produced by the combustion of a non-polluting liquid fuel, gelled or solid contained in the tank, for example, ethanol.
  • Ethanol is an unconventional, non-polluting, sustainable and renewable fuel, in addition to being non-explosive and easy to store.
  • the balance between the inlet air flow, the heating power of the fuel used, the intensity of the fire flame, the volume of air to heat and the intensity of the air current caused inside the combustion chamber, as well as the outlet control of the hot air produced, are the factors that determine the suitability of the stove for outdoor use, all of them contributing to producing an adequate comfort temperature for the user.
  • Other types of relevant factors that have been foreseen are those related to safety and that are basically summarized in two aspects: control of the fuel in the event of the stove tipping over by accident, and control of the maximum attainable temperature in the parts external, which in no case can be a cause of burns for its users.
  • the autonomy of the tank has been another factor taken into account, contemplating maximum autonomy, since these stoves are basically designed to be used in open or semi-closed spaces in public places, such as cafeterias, restaurants, etc., and it is important to minimize maximum tank refueling operations.
  • the design of the tank allows it to be refueled even when it is in operation, since as it is external to the combustion chamber that contains the flame, there is no possibility of the burner flame coming into contact with the refilling point, which allows their autonomy is not limited to a certain capacity.
  • Figure 1 is a schematic elevation view of the outdoor stove according to the present invention.
  • the outdoor stove according to the present invention comprises a base 1, which is preferably shaped square, but it could be of any other suitable shape, made of metal or any other type of material that covers what is foreseen for its function.
  • This base 1 comprises supports or wheels 4, which facilitate its movement.
  • the weight, the design, the material used and the dimensions of this base 1 are adequate to ensure the stability, robustness and resistance to inclement weather of the entire stove assembly.
  • the base 1 houses a fuel tank 5 inside it, which prevents fuel from spilling in the event of an accident.
  • This fuel is advantageously a material that complies with the regulations for outdoor stoves, for example, ethanol.
  • the base 1 also comprises a regulator 3 for the intensity of the flame, whose regulator is preferably pivoting and a refueling pipe 7 provided with a plug that is directed towards the outside of the base 1, through which the tank is filled. 5, even with the stove running.
  • the base 1 also includes a burner 12 that generates a flame, which exits through an outlet 9, preferably in a position centered on said base 1.
  • the base 1 has a frustoconical shape, and the refueling pipe 7 is preferably placed on the side wall of the frustoconical shape, separated from the flame, which is located in the upper central part of said base 1.
  • regulator 3 The function of regulator 3 is to regulate the intensity of the flame and its extinguishing from the outside.
  • openings 2 In the upper part of the base 1 there are one or more openings 2 that allow the entry of air at room temperature into the interior of the stove.
  • combustion chamber 8 formed from a structure, for example, of metal or any other heat-resistant material, and provided with protections, for example, of glass, channeling this chamber Combustion 8 the hot air produced by the flame.
  • the upper part of the base 1, in contact with the combustion chamber 8, defines a surface 13, so that the surface of the flame outlet 9 occupies between 5% and 20% of the surface 13 of the base. 1, in particular, for example, the surface of the flame outlet 9 occupies between 9% and 14% of the surface 13 of the base 1.
  • the volume of the combustion chamber 8 is between 0.10 and 0.20 cubic meters, in particular, it is between 0.11 and 0.18 cubic meters, depending on its surface area and its height. .
  • the glass protection of the combustion chamber 8 allows the view of the flame produced by the burner. A part of the protection is advantageously practicable, to allow access to the interior of the combustion chamber 8 in order to proceed with lighting the stove.
  • a diffuser 10 In the upper part of the stove there is a diffuser 10, whose mission is to channel all the hot air produced by the burner towards the outside of the combustion chamber 8, through an outlet 11, and to soften the outlet of the hot air. produced in the combustion chamber 8 to the outside.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Solid-Fuel Combustion (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

The outdoor stove comprises a tank (5) for fuel (6); a burner (12) fed by the fuel (6) in the fuel tank (5), which generates a flame; a combustion chamber (8), having at least one air inlet (2) and one air outlet (11), in which the air is heated by means of said flame; where the stove comprises a base (1) on which are disposed the fuel tank (5) and the burner (12), said base (1) comprising a fuel filler neck (7) connected to the fuel tank (5), said filler neck (7) being separated from the flame generated by the burner (12). This enables the provision of an outdoor stove that heats the surroundings by means of a channelled, controlled and adjustable air convection system.

Description

ESTUFA PARA EXTERIORES OUTDOOR STOVE
DESCRIPCIÓN DESCRIPTION
La presente invención se refiere a una estufa para exteriores. The present invention relates to an outdoor stove.
Antecedentes de la invención Background of the invention
El Reglamento de Instalaciones Térmicas de Edificios (RITE) indica que la climatización de espacios abiertos solo podrá realizarse mediante la utilización de energías renovables o residuales, no pudiéndose utilizar energías convencionales para la generación de calor y frío, destinado a la climatización de estos espacios. Además, y en ningún caso, la utilización de estas energías podrá ser contaminante. The Regulation of Thermal Installations of Buildings (RITE) indicates that the air conditioning of open spaces can only be carried out through the use of renewable or residual energies, not being able to use conventional energies for the generation of heat and cold, destined for the air conditioning of these spaces. In addition, and in no case, the use of these energies may be polluting.
Esta normativa adquirió notoriedad con la entrada en vigor de la Ley antitabaco, lo que provocó la aparición de elementos generadores de calor para calefactar espacios públicos abiertos o semicubiertos, apareciendo en el mercado de forma improvisada una serie de elementos productores de calor que incumplían y siguen incumpliendo total o parcialmente la normativa anteriormente citada. This regulation gained notoriety with the entry into force of the Anti-Tobacco Law, which caused the appearance of heat-generating elements to heat open or semi-covered public spaces, appearing on the market in an improvised way a series of heat-producing elements that did not comply and continue to in total or partial breach of the aforementioned regulations.
De esta manera, en algunos países de la Unión Europea (Francia, Alemania y Bélgica, entre otros) ya está totalmente prohibida la utilización de algunos de estos aparatos, sobre todo los que funcionan con gas butano, y en otros países (España e Italia entre otros) ya se ha empezado a aplicar esta normativa prácticamente ignorada desde su publicación en junio de 1990. In this way, in some countries of the European Union (France, Germany and Belgium, among others) the use of some of these devices is already totally prohibited, especially those that work with butane gas, and in other countries (Spain and Italy among others) has already begun to apply this regulation practically ignored since its publication in June 1990.
Otra opción para calentar espacios abiertos son los sistemas de calefacción que utilizan electricidad, ya sea en forma de pantallas proyectoras equipadas con lámparas halógenas o de infrarrojos situadas en las zonas altas de las terrazas y de los veladores, o las mesas con algún elemento calefactor ya sea por infrarrojos o por resistencias eléctricas que suelen tener el generador de calor en su base o en una columna. Another option to heat open spaces are heating systems that use electricity, either in the form of projector screens equipped with halogen or infrared lamps located in the upper areas of the terraces and nightstands, or tables with some heating element already either by infrared or by electrical resistances that usually have the heat generator at its base or on a column.
Sin entrar en detalles de las particularidades de cada uno de estos sistemas (consumos, eficiencia energética, nivel de contaminación, desequilibrios en la temperatura corporal, etc.) simplemente destacar que ninguno de ellos cumple al 100 % con la normativa europea anteriormente citada. Without going into details of the particularities of each of these systems (consumption, energy efficiency, level of pollution, imbalances in body temperature, etc.) simply highlight that none of them complies 100% with the aforementioned European regulations.
Los aparatos que utilizan gas son altamente contaminantes y, por esta razón, ya están prohibidos o con fecha de caducidad anunciada en todos los países de la Unión Europea. Los elementos eléctricos tampoco cumplen con la literalidad de esta normativa por el hecho de que existen centrales térmicas y nucleares, con lo cual y en origen, la energía producida no es renovable, ni sostenible y además es contaminante. Appliances that use gas are highly polluting and, for this reason, they are already prohibited or have an announced expiration date in all the countries of the European Union. The electrical elements also do not comply with the literal nature of this regulation due to the fact that there are thermal and nuclear power plants, with which, and in origin, the energy produced is not renewable or sustainable and is also polluting.
Descripción de la invención Description of the invention
Por lo tanto, un objetivo de la presente invención es proporcionar una estufa de exteriores que caliente el ambiente mediante un sistema por convección de aire de forma canalizada, controlada y regulable, que permita el uso de combustibles procedentes de energías no convencionales autorizadas, siendo estas energías sostenibles, renovables y no contaminantes, y que también optimice su rendimiento y consumo, evitando además posibles quemaduras por contacto físico. Therefore, an objective of the present invention is to provide an outdoor stove that heats the environment by means of an air convection system in a channeled, controlled and adjustable way, which allows the use of fuels from authorized non-conventional energies, these being sustainable, renewable and non-polluting energies, and that also optimize their performance and consumption, also avoiding possible burns due to physical contact.
Además, otro objetivo de la estufa para exteriores de acuerdo con la presente invención es poder repostarla en funcionamiento, sin necesidad de tener que parar su funcionamiento. Furthermore, another objective of the outdoor stove according to the present invention is to be able to refuel it while it is in operation, without the need to stop its operation.
Con la estufa para exteriores de la invención se consiguen resolver los inconvenientes citados, presentando otras ventajas que se describirán a continuación. With the outdoor stove of the invention, it is possible to solve the aforementioned drawbacks, presenting other advantages that will be described below.
La estufa para exteriores de acuerdo con la presente invención comprende: The outdoor stove according to the present invention comprises:
- un depósito de combustible; - a fuel tank;
- un quemador alimentado por el combustible en el depósito de combustible, que genera una llama; - a burner fed by the fuel in the fuel tank, which generates a flame;
- una cámara de combustión provista de al menos una entrada y una salida de aire, en cuyo interior se calienta el aire mediante dicha llama; en la que: la estufa comprende una base en la que están dispuestos el depósito de combustible y el quemador, comprendiendo dicha base una tubería de repostaje de combustible en comunicación con el depósito de combustible, estando dicha tubería separada de la llama generada por el quemador. - a combustion chamber provided with at least one air inlet and one outlet, inside which the air is heated by said flame; in which: the stove comprises a base on which the fuel tank and the burner are arranged, said base comprising a fuel refueling pipe in communication with the fuel tank, said pipe being separated from the flame generated by the burner .
Ventajosamente, dicha tubería de repostaje comprende un tapón amovible. Advantageously, said refueling pipe comprises a removable cap.
De acuerdo con una realización preferida, dicha base es de forma troncocónica, estando la tubería de repostaje colocada en la pared lateral de dicha forma troncocónica, y la llama generada por el quemador está colocada en la parte superior central de dicha forma troncocónica. According to a preferred embodiment, said base is frustoconical in shape, with the refueling pipe placed on the side wall of said frustoconical shape, and the flame generated by the burner is placed in the upper central part of said frustoconical shape.
Ventajosamente, el combustible que se utiliza en la estufa para exteriores de acuerdo con la presente invención es etanol, aunque se podría usar cualquier combustible adecuado. Advantageously, the fuel used in the patio heater in accordance with the present invention is ethanol, although any suitable fuel could be used.
Preferentemente, en la estufa para exteriores de acuerdo con la presente invención, la base también comprende un regulador de la llama, por ejemplo, de tipo pivotante, que permite regular la intensidad de la llama o su apagado desde el exterior de la estufa. Preferably, in the outdoor stove according to the present invention, the base also comprises a flame regulator, for example, of pivoting type, which allows the intensity of the flame to be adjusted or its extinguishing from the outside of the stove.
Para facilitar su desplazamiento, la base puede comprender unas ruedas. To facilitate its movement, the base may include wheels.
Además, la estufa para exteriores de acuerdo con la presente invención comprende preferentemente un difusor de aire en la parte superior de la cámara de combustión. Furthermore, the outdoor stove according to the present invention preferably comprises an air diffuser at the top of the combustion chamber.
De acuerdo con una realización preferida, la superficie de la salida de la llama ocupa entre un 5 % y un 20 % de la superficie de la base. According to a preferred embodiment, the surface of the flame outlet occupies between 5% and 20% of the surface of the base.
Preferentemente, la superficie de la salida de la llama ocupa entre un 9 % y un 14 % de la superficie de la base. También preferentemente, el volumen de la cámara de combustión está comprendido entre 0,10 y 0,20 metros cúbicos, en particular, está comprendido entre 0,11 y 0,18 metros cúbicos, en función de su superficie y su altura desde la base de la llama. Preferably, the surface of the flame outlet occupies between 9% and 14% of the surface of the base. Also preferably, the volume of the combustion chamber is between 0.10 and 0.20 cubic meters, in particular, it is between 0.11 and 0.18 cubic meters, depending on its surface and its height from the base. of the flame
Gracias a la relación entre las superficies de la salida de la llama y de la base, se consigue una optimización del calentamiento proporcionado por la estufa y de su consumo, pero al mismo tiempo limitando el riesgo de quemaduras por contacto accidental con la estufa. Thanks to the relationship between the surfaces of the flame outlet and the base, optimization of the heating provided by the stove and its consumption is achieved, while at the same time limiting the risk of burns due to accidental contact with the stove.
Debe indicarse que la forma que pueda tener el hueco de salida de la llama puede ser regular o irregular, pero preferentemente se procura que sus límites estén lo más alejados posible de las paredes de la cámara de combustión de la estufa, por lo cual, es recomendable que esté colocada centrada en la base. It should be noted that the shape that the flame exit hole may have can be regular or irregular, but preferably its limits are as far away as possible from the walls of the combustion chamber of the stove, therefore, it is recommended that it be placed centered on the base.
En la estufa para exteriores de la presente invención, el sistema de transferencia de calor es por convección de aire, transportando el aire calentado en sentido ascendente por el interior de la cámara de combustión. In the outdoor stove of the present invention, the heat transfer system is by air convection, transporting the heated air upwards inside the combustion chamber.
Para conseguirlo, en la estufa, por medio de las entradas y salidas de aire, provoca una corriente de aire ascendente canalizada, controlada y regulada que entra en contacto con una llama de fuego producida por la combustión de un combustible no contaminante líquido, gelificado o sólido contenido en el depósito, por ejemplo, etanol. To achieve this, in the stove, through the air inlets and outlets, it causes a channeled, controlled and regulated ascending air current that comes into contact with a fire flame produced by the combustion of a non-polluting liquid fuel, gelled or solid contained in the tank, for example, ethanol.
El etanol es una combustible no convencional, no contaminante, sostenible y renovable, además de no ser explosivo y es fácil almacenamiento. Ethanol is an unconventional, non-polluting, sustainable and renewable fuel, in addition to being non-explosive and easy to store.
El equilibrio entre el caudal de aire de entrada, la potencia calorífica del combustible utilizado, la intensidad de la llama de fuego, el volumen de aire a calentar y la intensidad de la corriente de aire provocada dentro de la cámara de combustión, así como el control de salida del aire caliente producido, son los factores que determinan la idoneidad de la estufa para exteriores, contribuyendo todos ellos a producir una adecuada temperatura de confort para el usuario. Otro tipo de factores relevantes que se han previsto, son los referentes a la seguridad y que se resumen básicamente en dos aspectos: el control del combustible en caso de vuelco de la estufa por accidente, y el control de la temperatura máxima alcanzable en las partes externas, que en ningún caso pueda ser causa de quemaduras para sus usuarios. The balance between the inlet air flow, the heating power of the fuel used, the intensity of the fire flame, the volume of air to heat and the intensity of the air current caused inside the combustion chamber, as well as the outlet control of the hot air produced, are the factors that determine the suitability of the stove for outdoor use, all of them contributing to producing an adequate comfort temperature for the user. Other types of relevant factors that have been foreseen are those related to safety and that are basically summarized in two aspects: control of the fuel in the event of the stove tipping over by accident, and control of the maximum attainable temperature in the parts external, which in no case can be a cause of burns for its users.
La autonomía del depósito ha sido otro factor tenido en cuenta, contemplando la máxima autonomía, ya que estas estufas están diseñadas básicamente para ser utilizadas en espacios abiertos o semicerrados de locales públicos, tal como cafeterías, restaurantes, etc., y es importante reducir al máximo las operaciones de repostaje del depósito. The autonomy of the tank has been another factor taken into account, contemplating maximum autonomy, since these stoves are basically designed to be used in open or semi-closed spaces in public places, such as cafeterias, restaurants, etc., and it is important to minimize maximum tank refueling operations.
El diseño del depósito permite su repostaje incluso cuando esté en funcionamiento dado que al ser externo a la cámara de combustión que contiene la llama, no existe la posibilidad de que la llama del quemador entre en contacto con el punto de rellenado, lo que permite que su autonomía no esté limitada a una capacidad determinada. The design of the tank allows it to be refueled even when it is in operation, since as it is external to the combustion chamber that contains the flame, there is no possibility of the burner flame coming into contact with the refilling point, which allows their autonomy is not limited to a certain capacity.
El equilibrio adecuado entre todos estos factores son los que permiten obtener un resultado óptimo de la estufa para exteriores de acuerdo con la presente invención. The proper balance between all these factors are those that allow an optimal result to be obtained from the outdoor stove according to the present invention.
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 what has been exposed, some drawings are attached in which, schematically and only by way of non-limiting example, a practical embodiment is represented.
La figura 1 es una vista esquemática en alzado de la estufa para exteriores de acuerdo con la presente invención. Figure 1 is a schematic elevation view of the outdoor stove according to the present invention.
Descripción de una realización preferida Description of a preferred embodiment
Tal como se muestra en la figura 1, la estufa para exteriores de acuerdo con la presente invención comprende una base 1, que es preferentemente de forma cuadrada, pero podría ser de cualquier otra forma adecuada, de metal o de cualquier otro tipo de material que cubra lo previsto para su función. As shown in Figure 1, the outdoor stove according to the present invention comprises a base 1, which is preferably shaped square, but it could be of any other suitable shape, made of metal or any other type of material that covers what is foreseen for its function.
Esta base 1 comprende unos soportes o ruedas 4, que facilitan su desplazamiento. El peso, el diseño, el material utilizado y las dimensiones de esta base 1 son los adecuados para asegurar la estabilidad, la robustez y la resistencia a las inclemencias climáticas de todo el conjunto de la estufa. This base 1 comprises supports or wheels 4, which facilitate its movement. The weight, the design, the material used and the dimensions of this base 1 are adequate to ensure the stability, robustness and resistance to inclement weather of the entire stove assembly.
La base 1 aloja en su interior un depósito de combustible 5, que impide el derrame del combustible en caso de accidente. Este combustible es ventajosamente un material que cumpla con la normativa para estufas de exteriores, por ejemplo, etanol. The base 1 houses a fuel tank 5 inside it, which prevents fuel from spilling in the event of an accident. This fuel is advantageously a material that complies with the regulations for outdoor stoves, for example, ethanol.
La base 1 también comprende un regulador 3 de la intensidad de la llama, cuyo regulador es preferentemente, pivotante y una tubería de repostaje 7 provista de un tapón que está dirigida hacia el exterior de la base 1, por donde se procede al llenado del depósito 5, incluso con la estufa en funcionamiento. La base 1 también incluye un quemador 12 que genera una llama, que sale por una salida 9, preferentemente en una posición centrada en dicha base 1. The base 1 also comprises a regulator 3 for the intensity of the flame, whose regulator is preferably pivoting and a refueling pipe 7 provided with a plug that is directed towards the outside of the base 1, through which the tank is filled. 5, even with the stove running. The base 1 also includes a burner 12 that generates a flame, which exits through an outlet 9, preferably in a position centered on said base 1.
De acuerdo con la realización representada, la base 1 tiene forma troncocónica, y la tubería de repostaje 7 está preferentemente colocada en la pared lateral de la forma troncocónica, separada de la llama, que está situada en la parte central superior de dicha base 1. According to the embodiment shown, the base 1 has a frustoconical shape, and the refueling pipe 7 is preferably placed on the side wall of the frustoconical shape, separated from the flame, which is located in the upper central part of said base 1.
La función del regulador 3 es la de regular la intensidad de la llama y el apagado de la misma desde el exterior. The function of regulator 3 is to regulate the intensity of the flame and its extinguishing from the outside.
En la parte superior de la base 1 están dispuestas una o más aberturas 2 que permiten la entrada de aire a temperatura ambiente al interior de la estufa. In the upper part of the base 1 there are one or more openings 2 that allow the entry of air at room temperature into the interior of the stove.
Sobre la base 1 está dispuesta una cámara de combustión 8 formada a partir de una estructura, por ejemplo, de metal o de cualquier otro material resistente al calor, y provista de unas protecciones, por ejemplo, de cristal, canalizando esta cámara de combustión 8 el aire caliente producido por la llama. On the base 1 there is a combustion chamber 8 formed from a structure, for example, of metal or any other heat-resistant material, and provided with protections, for example, of glass, channeling this chamber Combustion 8 the hot air produced by the flame.
La parte superior de la base 1 , en contacto con la cámara de combustión 8, define una superficie 13, de manera que la superficie de la salida de la llama 9 ocupa entre un 5 % y un 20 % de la superficie 13 de la base 1, en particular, por ejemplo, la superficie de la salida de la llama 9 ocupa entre un 9 % y un 14 % de la superficie 13 de la base 1. The upper part of the base 1, in contact with the combustion chamber 8, defines a surface 13, so that the surface of the flame outlet 9 occupies between 5% and 20% of the surface 13 of the base. 1, in particular, for example, the surface of the flame outlet 9 occupies between 9% and 14% of the surface 13 of the base 1.
Además, preferentemente, el volumen de la cámara de combustión 8 está comprendido entre 0,10 y 0,20 metros cúbicos, en particular, está comprendido entre 0,11 y 0,18 metros cúbicos, en función de su superficie y de su altura. Furthermore, preferably, the volume of the combustion chamber 8 is between 0.10 and 0.20 cubic meters, in particular, it is between 0.11 and 0.18 cubic meters, depending on its surface area and its height. .
En el interior de la cámara de combustión 8 se produce el contacto del aire captado a través de la abertura o aberturas 2 con la llama producida por el quemador. Inside the combustion chamber 8, the air captured through the opening or openings 2 comes into contact with the flame produced by the burner.
La protección de cristal de la cámara de combustión 8 permite la visión de la llama producida por el quemador. Una parte de la protección es ventajosamente practicable, para permitir el acceso al interior de la cámara de combustión 8 para poder proceder al encendido de la estufa. The glass protection of the combustion chamber 8 allows the view of the flame produced by the burner. A part of the protection is advantageously practicable, to allow access to the interior of the combustion chamber 8 in order to proceed with lighting the stove.
En la parte superior de la estufa está dispuesto un difusor 10, cuya misión es la canalizar hacia el exterior de la cámara de combustión 8, a través de una salida 11 todo el aire caliente producido por el quemador, y suavizar la salida del aire caliente producido en la cámara de combustión 8 hacia el exterior. In the upper part of the stove there is a diffuser 10, whose mission is to channel all the hot air produced by the burner towards the outside of the combustion chamber 8, through an outlet 11, and to soften the outlet of the hot air. produced in the combustion chamber 8 to the outside.
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 estufa para exteriores 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. Despite the fact that reference has been made to a specific embodiment of the invention, it is clear to a person skilled in the art that the described outdoor stove is susceptible to numerous variations and modifications, and that all the details mentioned can be replaced by others technically. equivalents, without departing from the scope of protection defined by the appended claims.

Claims

REIVINDICACIONES
1. Estufa para exteriores, que comprende: 1. Outdoor stove, comprising:
- un depósito (5) de combustible (6); - a fuel tank (5) (6);
- un quemador (12) alimentado por el combustible (6) en el depósito (5) de combustible, que genera una llama; - a burner (12) fed by the fuel (6) in the fuel tank (5), which generates a flame;
- una cámara de combustión (8) provista de al menos una entrada (2) y una salida- a combustion chamber (8) provided with at least one inlet (2) and one outlet
(11) de aire, en cuyo interior se calienta el aire mediante dicha llama; caracterizada por que: la estufa comprende una base (1) en la que están dispuestos el depósito (5) de combustible y el quemador (12), comprendiendo dicha base (1) una tubería de repostaje (7) de combustible en comunicación con el depósito (5) de combustible, estando dicha tubería de repostaje (7) separada de la llama generada por el quemador (12). (11) air, inside which the air is heated by said flame; characterized in that: the stove comprises a base (1) on which the fuel tank (5) and the burner (12) are arranged, said base (1) comprising a fuel refueling pipe (7) in communication with the fuel tank (5), said refueling pipe (7) being separated from the flame generated by the burner (12).
2. Estufa para exteriores de acuerdo con la reivindicación 1, en la que dicha tubería de repostaje (7) comprende un tapón amovible. Outdoor stove according to claim 1, in which said refueling pipe (7) comprises a removable plug.
3. Estufa para exteriores de acuerdo con la reivindicación 1 o 2, en la que dicha base (1) es de forma troncocónica, estando la tubería de repostaje (7) colocada en la pared lateral de dicha forma troncocónica, y la llama generada por el quemadorOutdoor stove according to claim 1 or 2, in which said base (1) is frustoconical in shape, the refueling pipe (7) being placed on the side wall of said frustoconical shape, and the flame generated by the burner
(12) está situada en la parte superior central de dicha forma troncocónica. (12) is located in the upper central part of said frustoconical shape.
4. Estufa para exteriores de acuerdo con la reivindicación 1, en la que el combustible (6) es etanol. Outdoor stove according to claim 1, in which the fuel (6) is ethanol.
5. Estufa para exteriores de acuerdo con la reivindicación 1, en la que la base (1) también comprende un regulador (3) de la llama. Outdoor stove according to claim 1, in which the base (1) also comprises a flame regulator (3).
6. Estufa para exteriores de acuerdo con la reivindicación 1, en la que la base (1) comprende unas ruedas (4). Outdoor stove according to claim 1, in which the base (1) comprises wheels (4).
7. Estufa para exteriores de acuerdo con la reivindicación 1 , en la que la cámara de combustión (8) comprende un difusor de aire (10) en su parte superior. 7. Outdoor stove according to claim 1, wherein the combustion chamber (8) comprises an air diffuser (10) in its upper part.
8. Estufa para exteriores de acuerdo con la reivindicación 1, en la que la llama sale a la cámara de combustión (8) a través de una salida (9), que define una superficie, ocupando la superficie de la salida de la llama (9) entre un 5 % y un 20 % de la superficie (13) de la base (1). Outdoor stove according to claim 1, in which the flame exits the combustion chamber (8) through an outlet (9), which defines a surface, occupying the surface of the flame outlet ( 9) between 5% and 20% of the surface (13) of the base (1).
9. Estufa para exteriores de acuerdo con la reivindicación 8, en la que la superficie de la salida de la llama (9) ocupa entre un 9 % y un 14 % de la superficie (13) de la base (1). Outdoor stove according to claim 8, in which the surface of the flame outlet (9) occupies between 9% and 14% of the surface (13) of the base (1).
10. Estufa para exteriores de acuerdo con la reivindicación 8, en la que el volumen de la cámara de combustión (8) está comprendido entre 0,10 y 0,20 metros cúbicos. Outdoor stove according to claim 8, in which the volume of the combustion chamber (8) is between 0.10 and 0.20 cubic meters.
11. Estufa para exteriores de acuerdo con la reivindicación 10, en la que el volumen de la cámara de combustión (8) está comprendido entre 0,11 y 0,18 metros cúbicos. Outdoor stove according to claim 10, in which the volume of the combustion chamber (8) is between 0.11 and 0.18 cubic meters.
12. Estufa para exteriores de acuerdo con una cualquiera de las reivindicaciones anteriores, en la que la salida de la llama (9) está situada en una posición centrada en la base (1). Outdoor stove according to any one of the preceding claims, in which the flame outlet (9) is located in a position centered on the base (1).
PCT/ES2021/070842 2020-11-24 2021-11-23 Outdoor stove WO2022112635A1 (en)

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US18/254,344 US20240102661A1 (en) 2020-11-24 2021-11-23 Outdoor stove
EP21897248.7A EP4253863A1 (en) 2020-11-24 2021-11-23 Outdoor stove
CA3200082A CA3200082A1 (en) 2020-11-24 2021-11-23 Outdoor stove

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ESU202032547 2020-11-24
ES202032547U ES1259500Y (en) 2020-11-24 2020-11-24 Outdoor stove
ES202130027U ES1263994Y (en) 2021-01-11 2021-01-11 Outdoor stove
ESU202130027 2021-01-11

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2474055A (en) * 2009-10-05 2011-04-06 Stuart N Buckingham A biodiesel patio or table heater
ES2490941A1 (en) * 2013-02-04 2014-09-04 Fundación Prodintec Outside heater supplied with biomass pellets
ES1130255U (en) * 2014-09-09 2014-10-24 Jorge CARNICÉ PUIG Column heating by air convention using renewable, sustainable and non-polluting energies (Machine-translation by Google Translate, not legally binding)
ES2557413A1 (en) * 2015-11-20 2016-01-25 Talleres De Carpintería Metálica Los Tigres, S.L. Combustion stove (Machine-translation by Google Translate, not legally binding)
CN108518726A (en) * 2018-03-28 2018-09-11 黄超源 A kind of alcohol or mixed alcohols liquid fuel heating device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2474055A (en) * 2009-10-05 2011-04-06 Stuart N Buckingham A biodiesel patio or table heater
ES2490941A1 (en) * 2013-02-04 2014-09-04 Fundación Prodintec Outside heater supplied with biomass pellets
ES1130255U (en) * 2014-09-09 2014-10-24 Jorge CARNICÉ PUIG Column heating by air convention using renewable, sustainable and non-polluting energies (Machine-translation by Google Translate, not legally binding)
ES2557413A1 (en) * 2015-11-20 2016-01-25 Talleres De Carpintería Metálica Los Tigres, S.L. Combustion stove (Machine-translation by Google Translate, not legally binding)
CN108518726A (en) * 2018-03-28 2018-09-11 黄超源 A kind of alcohol or mixed alcohols liquid fuel heating device

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EP4253863A1 (en) 2023-10-04
CA3200082A1 (en) 2022-06-02

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