WO1996025631A1 - Security device for gas stoves - Google Patents

Security device for gas stoves Download PDF

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Publication number
WO1996025631A1
WO1996025631A1 PCT/ES1996/000032 ES9600032W WO9625631A1 WO 1996025631 A1 WO1996025631 A1 WO 1996025631A1 ES 9600032 W ES9600032 W ES 9600032W WO 9625631 A1 WO9625631 A1 WO 9625631A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
stove
widening
outlet nozzle
stoves
Prior art date
Application number
PCT/ES1996/000032
Other languages
Spanish (es)
French (fr)
Inventor
Andrés VILLAR SANCHEZ
Original Assignee
Bs Electrodomesticos, S.A.
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 Bs Electrodomesticos, S.A. filed Critical Bs Electrodomesticos, S.A.
Publication of WO1996025631A1 publication Critical patent/WO1996025631A1/en

Links

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
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/122—Arrangement or mounting of control or safety devices on stoves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
    • F16K17/366—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position the closure member being a movable ball

Definitions

  • the present invention refers to a safety device for gas stoves, whose purpose is to avoid the danger of fire that exists when a gas stove overturns for the reason that that is, so that the device of the invention cuts off the gas supply to the burners at the time of such overturning.
  • a safety device for gas stoves whose purpose is to avoid the danger of fire that exists when a gas stove overturns for the reason that that is, so that the device of the invention cuts off the gas supply to the burners at the time of such overturning.
  • the invention consists of a safety device for gas stoves, easy to apply and highly effective.
  • Said device is determined by a piece that is inserted into the duct that goes from the gas bottle to the burners of the stove.
  • This part has a gas inlet nozzle and an outlet nozzle thereof, said nozzles being connected by a central duct.
  • the central duct has a perimetric widening in its middle part that serves as a housing for a ball or spherical body of smaller diameter than the aforementioned widening but of larger diameter than the nozzle of the piece.
  • the widening of the duct of the piece is losing thickness by means of a ramp or trunk-conical cavity that communicates with the outlet nozzle, so that when the part or device of the invention is in a horizontal position, the inlet nozzle and the nozzle departure is they are communicated allowing the passage of gas, while if said piece is in an upright position, the ball or spherical body falls into the conical trunk cavity by sealing the outlet nozzle and therefore preventing the passage of gas.
  • the device when the stove is in its vertical position of use, the device is in horizontal arrangement allowing the passage of gas towards the burners, while if the stove falls forward the device is in an upright position and the supply is cut off of gas
  • This fall forward of the stove is the one that occurs most easily and that presents the greatest danger, so the device described is sufficient in the most common application.
  • the possibility of cutting off the gas supply in the event of any type of fall has been foreseen, for which it is necessary to connect in series four pieces as described and oriented in the four possible directions of fall, that is, forward, towards back and to the two sides.
  • the device It is also possible to make the device with two trunk-conical cavities, one in the front part communicated with the inlet nozzle, so that two of these devices oriented perpendicularly to each other and connected in series would cover the four possible directions of fall, although in In this case, the device must consist of two coupled parts in order to introduce the ball or spherical body inside.
  • FIGURES Figure 1 Represents a schematic side view of the safety device of the invention, being diametrically sectioned and in a horizontal position that corresponds to the usual position of use of the corresponding stove.
  • Figure 2. Represents a real and side view of the safety device of the invention, including a quadrant section and the device being in the corresponding vertical position with the gas stove turned forward.
  • the safety device for gas stoves of the present embodiment consists of an approximately tubular part 1 and having an inlet nozzle 2 and an outlet nozzle 3 communicated by a central duct 4 and connected to the gas bottle and the stove burners respectively.
  • the middle part of this central duct 4 has a widening 5 in which a ball 6 of smaller diameter than said widening 5 and larger in diameter than the outlet nozzle 3 is housed.
  • the widening 5 communicates with the outlet nozzle 3 by means of a truncated conical cavity 7 which facilitates the sliding of the ball 6 towards the outlet nozzle 3 when the stove incorporating the device tilts forward.
  • the device of the invention when the stove is on and in its usual vertical position, the device of the invention is horizontal with the ball 6 in the widening 5 and allowing the passage of gas from the gas bottle, to the burners.
  • the device will occupy an upright position and the ball 6 will fall by gravity into the trunk-conical cavity 7 blocking the passage of the gas and thereby determining the shutdown of the stove.
  • a pipette 8 is shown connected to the inlet nozzle 2, as an intermediate step to the connection with the rubber or conduit that goes to the bottle of gas.

Landscapes

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

Abstract

The device is mounted in the line supplying the gas to the stove burners and is designed in such a way that, in its normal horizontal position, it lets the gas pass, while in a vertical position it cuts off the passage of the gas. As a result, if the stove is turned over, the device takes a vertical position, thereby eliminating fire risks. The device comprises essentially a part (1) which has an inlet nozzle (2), and outlet nozzle (3) and an central conduit (4) which makes the nozzles (2 and 3) to communicate, and is provided with a widening (5) wherein is housed a spherical body (6) of smaller diameter than that of the widening (5) and having a larger diameter than the outlet nozzle (3) so that in the case of a turn-over of the stove forwards, the spherical body (6) closes the outlet nozzle (3). By connecting in series various of such parts (1), it is possible to cut off the passage of the gas in a plurality of directions in the case of falling or turn-over of the stoves.

Description

DISPOSITIVO DE SEGURIDAD PARA ESTUFAS DE GAS OBJETO DE LA INVENCIÓN SECURITY DEVICE FOR GAS STOVES OBJECT OF THE INVENTION
La presente invención, tal y como se expresa en el enunciado de esta memoria descriptiva, se refiere a un dispositivo de seguridad para estufas de gas, cuya finalidad consiste en evitar el peligro de incendio que existe cuando una estufa de gas vuelca por el motivo que sea, de manera que el dispositivo de la invención corta el suministro de gas hacia los quemadores en el momento de producirse dicho vuelco. ANTECEDENTES DE LA INVENCIÓN Son conocidas las estufas de gas de uso doméstico que normalmente son transportables, para lo cual incluyen las correspondientes ruedas, y que presentan un habitáculo para la botella de gas en su parte trasera, así como unos quemadores en la parte frontal de la estufa.The present invention, as expressed in the statement of this specification, refers to a safety device for gas stoves, whose purpose is to avoid the danger of fire that exists when a gas stove overturns for the reason that that is, so that the device of the invention cuts off the gas supply to the burners at the time of such overturning. BACKGROUND OF THE INVENTION There are known household gas stoves that are normally transportable, for which they include the corresponding wheels, and which have a passenger compartment for the gas bottle at its rear, as well as burners at the front of the stove.
Estas estufas, cualquiera de sea la causa, pueden volcar estando encendidas, lo cual determina un riesgo de incendio, especialmente si la estufa cae hacia delante, es decir, con los quemadores enfrentados al suelo.These stoves, whatever the cause, can tip over when turned on, which determines a fire hazard, especially if the stove falls forward, that is, with the burners facing the ground.
DESCRIPCIÓN DE LA INVENCIÓN Para lograr los objetivos y evitar los inconvenientes indicados en anteriores apartados, la invención consiste en un dispositivo de seguridad para estufas de gas, de fácil aplicación y gran efectividad.DESCRIPTION OF THE INVENTION To achieve the objectives and avoid the inconveniences indicated in previous sections, the invention consists of a safety device for gas stoves, easy to apply and highly effective.
Dicho dispositivo está determinado por una pieza que se intercala en el conducto que va de la botella de gas a los quemadores de la estufa. Esta pieza dispone de una boquilla de entrada del gas y de una boquilla de salida del mismo, estando dichas boquillas comunicadas por un conducto central.Said device is determined by a piece that is inserted into the duct that goes from the gas bottle to the burners of the stove. This part has a gas inlet nozzle and an outlet nozzle thereof, said nozzles being connected by a central duct.
El conducto central presenta un ensanchamiento perimétrico en su parte media que sirve de alojamiento a una bola o cuerpo esférico de menor diámetro que el referido ensanchamiento pero de mayor diámetro que la boquilla de salida de la pieza.The central duct has a perimetric widening in its middle part that serves as a housing for a ball or spherical body of smaller diameter than the aforementioned widening but of larger diameter than the nozzle of the piece.
El ensanchamiento del conducto de la pieza va perdiendo grosor mediante una rampa o cavidad tronco-cónica que comunica con la boquilla de salida, de manera que cuando la pieza o dispositivo de la invención se encuentra en posición horizontal, la boquilla de entrada y la de salida se encuentran comunicadas permitiendo el paso del gas, mientras que si la referida pieza se encuentra en posición vertical, la bola o cuerpo esférico cae en la cavidad tronco-cónica obturando la boquilla de salida y por lo tanto impidiendo el paso del gas. Así, cuando la estufa se encuentra en su posición vertical de uso, el dispositivo está en disposición horizontal permitiendo el paso del gas hacia los quemadores, mientras que si la estufa cae hacia delante el dispositivo queda en posición vertical y se produce el corte del suministro del gas. Esta caída hacia delante de la estufa es la que se produce con mayor facilidad y la que presenta mayor peligro, por lo que el dispositivo descrito es suficiente en la aplicación más habitual. No obstante, se ha previsto la posibilidad de cortar el suministro de gas ante cualquier tipo de caída, para lo cual hay que conectar en serie cuatro piezas como la descrita y orientadas en los cuatro sentidos posibles de caída, es decir, hacia delante, hacia atrás y hacia los dos laterales. También es posible realizar el dispositivo con dos cavidades tronco-cónicas, una en la parte delantera comunicada con la boquilla de entrada, con lo que dos de estos dispositivos orientados perpendicularmente entre sí y conectados en serie cubrirían los cuatro sentidos posibles de caída, aunque en este caso el dispositivo tiene que constar de dos piezas acopladas para poder introducir la bola o cuerpo esférico de su interior.The widening of the duct of the piece is losing thickness by means of a ramp or trunk-conical cavity that communicates with the outlet nozzle, so that when the part or device of the invention is in a horizontal position, the inlet nozzle and the nozzle departure is they are communicated allowing the passage of gas, while if said piece is in an upright position, the ball or spherical body falls into the conical trunk cavity by sealing the outlet nozzle and therefore preventing the passage of gas. Thus, when the stove is in its vertical position of use, the device is in horizontal arrangement allowing the passage of gas towards the burners, while if the stove falls forward the device is in an upright position and the supply is cut off of gas This fall forward of the stove is the one that occurs most easily and that presents the greatest danger, so the device described is sufficient in the most common application. However, the possibility of cutting off the gas supply in the event of any type of fall has been foreseen, for which it is necessary to connect in series four pieces as described and oriented in the four possible directions of fall, that is, forward, towards back and to the two sides. It is also possible to make the device with two trunk-conical cavities, one in the front part communicated with the inlet nozzle, so that two of these devices oriented perpendicularly to each other and connected in series would cover the four possible directions of fall, although in In this case, the device must consist of two coupled parts in order to introduce the ball or spherical body inside.
A continuación, para facilitar una mejor comprensión de esta memoria descriptiva y formando parte integrante de la misma, se acompañan unas figuras en las que con carácter ilustrativo y no limitativo se ha representado el objeto de la invención.Next, in order to facilitate a better understanding of this descriptive report and forming an integral part thereof, some figures are attached in which the object of the invention has been represented by way of illustration and not limitation.
BREVE DESCRIPCIÓN DE LAS FIGURAS Figura 1.- Representa una vista lateral esquemática del dispositivo de seguridad de la invención, estando éste seccionado diametralmente y en posición horizontal que corresponde con la posición habitual de uso de la correspondiente estufa.BRIEF DESCRIPTION OF THE FIGURES Figure 1.- Represents a schematic side view of the safety device of the invention, being diametrically sectioned and in a horizontal position that corresponds to the usual position of use of the corresponding stove.
Figura 2.- Representa una vista real y lateral del dispositivo de seguridad de la invención, incluyendo una sección de cuadrante y estando el dispositivo en la posición vertical correspondiente con la estufa de gas volcada hacia delante. DESCRIPCIÓN DE UN EJEMPLO DE REALIZACIÓN DE LA INVENCIÓNFigure 2.- Represents a real and side view of the safety device of the invention, including a quadrant section and the device being in the corresponding vertical position with the gas stove turned forward. DESCRIPTION OF AN EXAMPLE OF EMBODIMENT OF THE INVENTION
Seguidamente se realiza una descripción de un ejemplo de la invención, haciendo referencia ala numeración adoptada en las figuras.Next, a description of an example of the invention is made, referring to the numbering adopted in the figures.
Así, el dispositivo de seguridad par estufas de gas del presente ejemplo de realización consiste en una pieza 1 aproximadamente tubular y que presenta una boquilla de entrada 2 y una boquilla de salida 3 comunicadas por un conducto central 4 y conectadas a la botella de gas y a los quemadores de la estufa respectivamente.Thus, the safety device for gas stoves of the present embodiment consists of an approximately tubular part 1 and having an inlet nozzle 2 and an outlet nozzle 3 communicated by a central duct 4 and connected to the gas bottle and the stove burners respectively.
La parte media de este conducto central 4 presenta un ensanchamiento 5 en el que se aloja una bola 6 de menor diámetro que dicho ensanchamiento 5 y de mayor diámetro que la boquilla de salida 3.The middle part of this central duct 4 has a widening 5 in which a ball 6 of smaller diameter than said widening 5 and larger in diameter than the outlet nozzle 3 is housed.
El ensanchamiento 5 comunica con la boquilla de salida 3 mediante una cavidad tronco-cónica 7 que facilita el deslizamiento de la bola 6 hacia la boquilla de salida 3 cuando la estufa que incorpora el dispositivo vuelca hacia delante.The widening 5 communicates with the outlet nozzle 3 by means of a truncated conical cavity 7 which facilitates the sliding of the ball 6 towards the outlet nozzle 3 when the stove incorporating the device tilts forward.
Con esta configuración, al estar encendida la estufa y en su posición vertical habitual, el dispositivo de la invención se encuentra horizontal con la bola 6 en el ensanchamiento 5 y permitiendo el paso del gas desde la botella de gas, hacia los quemadores. Sin embargo, si se produce un vuelco hacia delante de la estufa, el dispositivo ocupará una posición vertical y la bola 6 caerá por gravedad en la cavidad tronco-cónica 7 obturando el paso del gas y determinando por tanto el apagado de la estufa.With this configuration, when the stove is on and in its usual vertical position, the device of the invention is horizontal with the ball 6 in the widening 5 and allowing the passage of gas from the gas bottle, to the burners. However, if a tilt forward of the stove occurs, the device will occupy an upright position and the ball 6 will fall by gravity into the trunk-conical cavity 7 blocking the passage of the gas and thereby determining the shutdown of the stove.
En las figuras 1 y 2, además de representarse la pieza 1 del dispositivo y sus componentes, se ha representado una pipeta 8 conectada a la boquilla de entrada 2, como paso intermedio a la conexión con la goma o conducto que vaya hacia la botella de gas. In Figures 1 and 2, in addition to representing the part 1 of the device and its components, a pipette 8 is shown connected to the inlet nozzle 2, as an intermediate step to the connection with the rubber or conduit that goes to the bottle of gas.

Claims

REIVINDICACIONES 1.- DISPOSITIVO DE SEGURIDAD PARA ESTUFAS DE GAS, cuya instalación consiste en intercalarlo en una conducción de fluido ; caracterizado porque cuenta con medios de obturación de dicho fluido ante cambios de orientación de la referida conducción. CLAIMS 1.- SAFETY DEVICE FOR GAS STOVES, whose installation consists of inserting it in a fluid line; characterized in that it has means of sealing said fluid before changes of orientation of said conduction.
2.- DISPOSTIVO DE SEGURIDAD PARA ESTUFAS DE GAS, disponiendo dichas estufas de una conducción de gas que comunica una botella de gas con unos quemadores, según la reivindicación 1 , caracterizado porque dichos medios consisten en una pieza (1 ) dotada de una boquilla de entrada (2) y de una boquilla de salida (3) comunicadas por un conducto central (4) que presenta un ensanchamiento (5) en el que se aloja un cuerpo esférico (6) de menor diámetro que el ensanchamiento (5) y de mayor diámetro que la boquilla de salida (3) ; comunicando esta boquilla de salida (3) con el ensanchamiento (5) mediante una cavidad tronco-cónica (7) ; y disponiéndose la referida pieza (1 ) horizontalmente en la estufa e intercalada en la aludida conducción de gas, de manera que la caída hacia delante de la estufa determina la verticalidad de dicha pieza (1 ) y la caída de un cuerpo esférico (6) en la cavidad tronco-cónica (7), obturando así el paso del gas. 2. SAFETY DEVICE FOR GAS STOVES, said stoves having a gas line that communicates a gas bottle with burners, according to claim 1, characterized in that said means consist of a part (1) provided with a nozzle of inlet (2) and an outlet nozzle (3) communicated by a central duct (4) that has a widening (5) in which a spherical body (6) of smaller diameter than the widening (5) and of larger diameter than the outlet nozzle (3); communicating this outlet nozzle (3) with the widening (5) by means of a trunk-conical cavity (7); and the said piece (1) being arranged horizontally on the stove and interspersed in the aforementioned gas conduction, so that the fall forward of the stove determines the verticality of said piece (1) and the fall of a spherical body (6) in the trunk-conical cavity (7), thus blocking the passage of gas.
3.- DISPOSITIVO DE SEGURIDAD PARA ESTUFAS DE GAS, según la reivindicación 2, caracterizado porque cuenta con varios elementos similares a la referida pieza (1 ), conectados en serie y orientados en distintos sentidos en el interior de la estufa, en orden a que se produzca la obturación del paso del gas ante la caída de la estufa en diferentes sentidos. 3.- SAFETY DEVICE FOR GAS STOVES, according to claim 2, characterized in that it has several elements similar to said piece (1), connected in series and oriented in different directions inside the stove, in order to The gas flow is blocked when the stove falls in different directions.
PCT/ES1996/000032 1995-02-17 1996-02-16 Security device for gas stoves WO1996025631A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES9500449U ES1030196Y (en) 1995-02-17 1995-02-17 SAFETY DEVICE FOR GAS STOVES.
ESU9500449 1995-02-17

Publications (1)

Publication Number Publication Date
WO1996025631A1 true WO1996025631A1 (en) 1996-08-22

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ID=8289694

Family Applications (1)

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PCT/ES1996/000032 WO1996025631A1 (en) 1995-02-17 1996-02-16 Security device for gas stoves

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ES (1) ES1030196Y (en)
WO (1) WO1996025631A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006030376A1 (en) * 2004-09-15 2006-03-23 Antonie Johannes Opperman Heating apparatus
CN111637256A (en) * 2020-05-30 2020-09-08 沈阳朗峰科技有限公司 One-way valve and working method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2318424A (en) * 1941-12-05 1943-05-04 Sattler Erno John Milk pail
US2676708A (en) * 1950-01-20 1954-04-27 Thomas H Risk Tilt safety valve for filters
US3314411A (en) * 1965-05-24 1967-04-18 Insto Gas Corp Tip-over shut-off for gas heaters
JPS5543351A (en) * 1978-09-25 1980-03-27 Saburo Sekine Automatic fire extinguisher for gas
US4269213A (en) * 1978-08-08 1981-05-26 Nissan Motor Company, Limited Safety valve
US4380428A (en) * 1977-10-27 1983-04-19 Detroit Radiant Products Company Safety tip-over device for portable gas-fired infrared radiant heater
ES271684U (en) * 1983-04-22 1983-10-01 Industria Navarra De Electrodomesticos, S.A,Inelsa Safety device for gas stoves. (Machine-translation by Google Translate, not legally binding)
FR2579727A1 (en) * 1985-04-01 1986-10-03 Schneider Ind Si Safety device for a pressurised gas heating appliance

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2318424A (en) * 1941-12-05 1943-05-04 Sattler Erno John Milk pail
US2676708A (en) * 1950-01-20 1954-04-27 Thomas H Risk Tilt safety valve for filters
US3314411A (en) * 1965-05-24 1967-04-18 Insto Gas Corp Tip-over shut-off for gas heaters
US4380428A (en) * 1977-10-27 1983-04-19 Detroit Radiant Products Company Safety tip-over device for portable gas-fired infrared radiant heater
US4269213A (en) * 1978-08-08 1981-05-26 Nissan Motor Company, Limited Safety valve
JPS5543351A (en) * 1978-09-25 1980-03-27 Saburo Sekine Automatic fire extinguisher for gas
ES271684U (en) * 1983-04-22 1983-10-01 Industria Navarra De Electrodomesticos, S.A,Inelsa Safety device for gas stoves. (Machine-translation by Google Translate, not legally binding)
FR2579727A1 (en) * 1985-04-01 1986-10-03 Schneider Ind Si Safety device for a pressurised gas heating appliance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 4, no. 84 (M - 016) 17 June 1980 (1980-06-17) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006030376A1 (en) * 2004-09-15 2006-03-23 Antonie Johannes Opperman Heating apparatus
CN111637256A (en) * 2020-05-30 2020-09-08 沈阳朗峰科技有限公司 One-way valve and working method thereof

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Publication number Publication date
ES1030196Y (en) 1996-01-16
ES1030196U (en) 1995-07-16

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