EP2499432B1 - Dispositif de soupape et procédé de sécurisation thermoélectrique de l'allumage pour appareils fonctionnant au gaz - Google Patents

Dispositif de soupape et procédé de sécurisation thermoélectrique de l'allumage pour appareils fonctionnant au gaz Download PDF

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Publication number
EP2499432B1
EP2499432B1 EP10782520.0A EP10782520A EP2499432B1 EP 2499432 B1 EP2499432 B1 EP 2499432B1 EP 10782520 A EP10782520 A EP 10782520A EP 2499432 B1 EP2499432 B1 EP 2499432B1
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EP
European Patent Office
Prior art keywords
gas
valve body
valve
open
closed
Prior art date
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Active
Application number
EP10782520.0A
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German (de)
English (en)
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EP2499432A2 (fr
Inventor
Artur Fehringer
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Anstoss Regelgerate GmbH
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Anstoss Regelgerate GmbH
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Publication of EP2499432A2 publication Critical patent/EP2499432A2/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/10—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
    • F23N5/102—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/005—Regulating fuel supply using electrical or electromechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/10—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
    • F23N5/107—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples using mechanical means, e.g. safety valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
    • F23N5/242—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2231/00—Fail safe
    • F23N2231/02—Fail safe using electric energy accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2231/00—Fail safe
    • F23N2231/06—Fail safe for flame failures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2231/00—Fail safe
    • F23N2231/06—Fail safe for flame failures
    • F23N2231/08—Fail safe for flame failures for pilot flame failures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2231/00—Fail safe
    • F23N2231/12—Fail safe for ignition failures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/14—Fuel valves electromagnetically operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/16—Fuel valves variable flow or proportional valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/24—Valve details

Definitions

  • the invention relates to a valve device for gas-operated devices, comprising a valve housing having a gas inlet and at least one gas outlet, for selectively releasing a flow path from the gas inlet to the gas outlet, a magnetic insert exerting a magnetic force in an active state, comprising a movable closure member for closing the flow path, wherein a displaceable valve body is accommodated in the valve housing, which has an inner flow channel with at least one inlet opening and at least one outlet opening for the gas to be passed through.
  • the invention relates to a method for thermoelectric ignition protection of a gas-powered device, wherein for moving a gas flame, a movable valve body is moved to a closed position, wherein the valve body entrains a closure member, so that the closure member rests against an active magnetic insert and the closure member via a magnetic force is held, wherein the valve body is then moved to a position in which the closure part, an inner flow passage in the valve body is released.
  • valve devices or methods are used in particular in open or closed gas burners, space heaters, water heaters, water heaters, oven controls, absorber refrigerators, caravan heaters, patio heaters, infrared burners and the like.
  • valve device which is arranged between a gas inlet and a gas outlet leading to a main burner or a gas outlet connected to a pilot burner.
  • the valve device has a longitudinally movable valve body, which is designed as a hollow cylinder.
  • the valve body is biased by a spring in the lower setting.
  • a button is actuated, whereby the valve body is displaced over an acting between the valve body and the knob valve rod in an upper end position in which a metal plate of the hollow cylindrical valve body occluding valve closure member abuts against an electromagnet.
  • gas may flow around the valve body into the gas outlet to the pilot burner to produce a pilot flame which heats a thermocouple in electrical communication with the solenoid.
  • a valve device in which a main valve has a rotatable valve body which is connectable via an opening with the gas outlet or via an opening with the gas inlet.
  • the flow path in the valve body is closed by means of a safety closure.
  • a handle is rotated and then pushed down, whereby the auxiliary valve is opened, so that gas can get to the pilot burner.
  • thermoelectric ignition protection in particular a wide variety of solenoid valves are known.
  • thermoelectric ignition fuse with a valve housing and a button known in which on the one hand a safety valve and on the other hand, a control valve is provided.
  • thermoelectric Zündschen of gas-fired devices is known in which a covenant for the seat of a protective cap forms a circumferential collar, wherein on the end face of this annular collar one end of the winding is fixed.
  • thermoelectric ignition fuses are, for example from the DE 80 05 596 U and the DE 91 17 110 U1 known.
  • a valve device for gas burners with a valve body which is rotatable between a closing position between a gas inlet and a gas outlet closing position, a connection with a pilot burner releasing position and a connection to the main burner releasing position.
  • a handle is provided, which raises the valve from its valve seat via a valve rod in order first to release the gas flow to the pilot burner;
  • a magnetic device is provided which holds the valve in the open position when supplied by a supplied from the pilot burner thermocouple.
  • the EP 1 387 126 A1 discloses a different type of valve device with an arbitrarily positionable valve body.
  • the GB 2 351 341 A and JP 55 017021 A disclose other devices in which a magnetic insert is supplied with an auxiliary current until a threshold value is reached.
  • the aim of the present invention is now to provide a valve device of the type mentioned, which is compact, by which a regulation of the gas passage is possible in a simple manner, while ensuring at the same time that in case of extinguishment of the gas flame, a gas passage reliably is prevented.
  • the latter objectives should also be achieved with the method according to the invention.
  • valve device of the initially mentioned type is characterized in that the valve body can be positioned as desired by means of a control unit which controls a drive unit associated with the valve body between an open position completely closing the gas outlet and an open position completely releasing the gas outlet, so that the gas passage is infinitely variable, wherein, regardless of the position of the movable valve body, the inlet opening of the inner flow channel in a non-active Condition of the magnetic insert is sealed by the closure part.
  • valve body movably received in the valve body can be easily regulated, the gas flow and thus the size of the gas flame. Regardless of the position of the valve body, however, it is ensured by the sealing of the inner flow channel with the help of the closure part that - if the magnetic insert is not activated - a gas passage is prevented. As a result, control and safety functions are advantageously combined in a single valve device.
  • the activation of the magnetic insert, in particular an electromagnet accommodated in the magnetic insert is usually ensured after a starting phase of the device with the aid of a thermocouple heated by the gas or a pilot flame.
  • the magnetic insert is no longer activated, so that the movable closure part is no longer held in its preferably retracted open position by the magnetic insert, but is released from the magnetic insert and thus preferably by means of a spring element in a flow channel sealing Position is transferred. This ensures that, when the gas flame is broken off, the inner flow channel is sealed by the closure part, regardless of the position of the valve body.
  • valve body between a gas outlet completely occlusive closed position and the gas outlet completely releasing open position is arbitrarily positionable. Accordingly, with the aid of the valve device, if the closing part is arranged in the open position against the magnetic insert, gas passage can be prevented with the aid of the valve body and thus the gas flame can be extinguished.
  • a control unit for positioning the valve body is provided. Furthermore, it is convenient to deal with a single one Control command to achieve the activation of the magnetic insert, that a control unit is also provided to activate the magnetic insert.
  • the drive unit assigned to the valve body is a stepper motor.
  • the valve body is designed as a one-piece hollow body.
  • the valve body may, however, also be composed telescopically of at least two parts.
  • the gas passage can be regulated in a simple manner by the outer recess is arranged at least partially aligned with the gas outlet in the valve housing. On the more or less aligned or overlapping arrangement of the recess with respect to the gas outlet can thus be easily controlled, the free passage opening and thus the gas flowing through.
  • thermocouple in addition to the gas flame to be protected a pilot flame is provided for heating the thermocouple, it is advantageous if at least two gas outlets, in particular for a Zündgasan gleich or a main burner port, are provided, depending on the position of the valve body one or both gas outlets the outlet opening of the flow channel communicate.
  • the valve device is in a closed position, on the other hand, the closure part is moved to a position in which it is held by the magnetic insert in its active state, it is advantageous if when activated the Control unit of the valve body is positioned in the closed position, so that the closure member is positioned against the force of a spring such that an armature of the closure part substantially at one Electromagnet of the magnetic insert is applied.
  • the closure part is held in its active state via the magnetic insert, it is favorable if the control unit is set within a predetermined safety time interval or until reaching a threshold for a source voltage of a thermocouple to control an auxiliary current for activation of the magnetic insert or to regulate.
  • control unit is adapted to switch a switching device, in particular a transistor, after reaching the threshold voltage of the thermocouple in a closed position in which the magnetic insert is supplied with the source voltage of the thermocouple, it is possible - apart position changes of the valve body - to maintain the safety function of the valve device, with only a minimum maintenance energy for the transistor is required, but no further power supply is needed.
  • a switching device in particular a transistor
  • valve device together with the control unit and an ignition system and an energy storage is designed as a modular component.
  • valve body is arbitrarily positionable by means of a control unit which controls a drive unit associated with the valve body between a fully closed gas outlet and a gas outlet fully open position, so that the gas passage is infinitely variable, wherein the closure body seals the inner flow channel regardless of the position of the closure body in the absence of magnetic force.
  • the magnetic insert is supplied with an auxiliary current and after ignition of the gas flame, the magnetic insert is fed via an electromagnetic force coming from a thermocouple, wherein a transistor is arranged in the line coming from the thermocouple.
  • auxiliary current is diverted to the thermocouple in the event of a short circuit of the transistor.
  • Such a diversion is ensured in particular due to the lower internal resistance of the thermocouple; by redirecting the auxiliary current is thus ensured that the closure member is not held in its open position, since the magnetic insert is not activated and thus no magnetic force is exerted on the closure member. Accordingly, it is ensured regardless of the position of the valve body in such a type of fault that no gas release takes place.
  • a gas-powered apparatus valve device 1 which has a valve housing 2 with a gas inlet 3 and a gas outlet 4.
  • a valve body 5 is slidably received, which is designed as a hollow body, so that a flow channel 6 is provided with an inlet opening 7 and a gas outlet opening 8.
  • the hollow body 5 is in this case by means of two sealing rings 9 in an inner channel 10 of the valve housing 2 sealingly movable movable.
  • a stepping motor 11 is provided, which is connected via a threaded spindle 12 with the valve body 5.
  • the stepper motor 11 in turn is connected to a control unit 13, via which the motor 11 is activated.
  • valve body 5 In the in Fig. 1 shown position, the valve body 5 is in an upper position in which the gas outlet opening 8 of the valve body 5 is in communication with the gas outlet 4 of the valve housing 2. However, the gas inlet opening 7 in the inner flow channel 6 of the valve body 5 is closed tightly via a sealing plate 14 of a closure part 15 of a magnetic insert 16.
  • the magnetic insert 16 has, in particular, an electromagnet 17, which is received in a stationary manner in the valve housing via a fixing 18.
  • the magnet insert 16 or the electromagnet 17 is not activated, ie no magnetic force is exerted, so that the closure part 15 is arranged via a spring element 19 in a position remote from a protective cap 20, in which it projects the gas inlet opening 7 into the position shown in FIG flow channel 6 sealing closes.
  • the magnet insert 16 or the electromagnet 17 accommodated therein is connected via a line 21, 24 to the control unit 13, via which an auxiliary current in a starting phase, if the gas-operated device provided with the valve device is to be activated, is activated to activate the electromagnet 17 ,
  • controller 13 is connected via a line 22 to a field effect transistor (FET) 23, which is connected via the line 24 as well as the line 21 to the electromagnet 17.
  • FET field effect transistor
  • thermocouple 25 is provided, which is connected via a line 26 to the control unit 13, so that, if a sufficient electromotive force (EMF) is detected at a measuring point 31 before a predetermined safety time, the FET 23 in the conductive state is transferred and the solenoid 17 of the magnetic insert 16 is supplied with this EMF.
  • EMF electromotive force
  • the servomotor 11 is activated, so that the valve body 5 in the in Fig. 2 shown lower closed position is transferred.
  • the closure piston is moved down to a stop 27 of a lower anchor plate 15 'of the closure part 15.
  • the movable valve body 5 is - if the magnetic insert 16 is not activated - sealed in any position by the sealing plate 14 of the magnetic insert 16, so that a gas inlet from the gas inlet 3 is not possible.
  • This auxiliary current is fed in until at a measuring point 31 an EMF sufficient of the thermocouple 25 is detected, but at the longest for the duration of the safety time.
  • an ignition system 28 is activated and the movable valve body 5 is moved to the desired position by means of the stepping motor 11 (cf. Fig. 3 ).
  • a flow path for the gas is released, so that a burner 30 is supplied with gas which ignites via the ignition system 28 can be.
  • a further (not shown) gas outlet may be provided, which leads to a pilot burner, then depending on the position of the valve body 5 only a single gas outlet or both released could be.
  • the armature plate 15 ' can not be held by the magnetic insert 16 and its electromagnets 17, so that the sealing plate 14 via the force of the spring 19 to the inlet opening 7 in the Flow channel 6 is pressed, regardless of the position in which the valve body 5 is currently located (see. Fig. 1 ). As a result, it is reliably ensured that the flow path through the valve device 1 is interrupted. The ignition is thus switched off, this being a so-called safety or lockout.
  • the FET 23 is brought into the conductive state and the electromagnet 17 of the magnetic insert 16 is supplied with this EMF instead of the auxiliary current.
  • the flow path from the gas inlet 3 to the gas outlet 4 thus remains open until either the emf of the thermocouple 25 falls below the holding threshold value, the FET is switched off (eg because the desired temperature has been achieved) or the valve body 5 has been positioned so far down that the inlet opening 7 rests on the sealing plate 14 of the closure part 5.
  • the valve body 5 can therefore be positioned so that 4 different sized free outlet openings can be adjusted by the variable overlap of the recess 29 with the gas outlet.
  • thermocouple 25 can be provided, via which the ignition system 28 already before the sufficient EMF of the thermocouple 25 can be turned off, whereby the power consumption is further reduced. Since the thermocouple 25 requires a certain cooling time in the event of a flame breakage of the burner 30 until the required holding EMF is undershot, a re-ignition test can be initiated by the flame detector during this time.
  • actuators include a start, stop, more power, and less power button, and depending on the software, the more and less power buttons may be replaced by a reference potentiometer and a thermistor, thereby providing a high performance thermostatic modulation of the burner output can be achieved.
  • the actuators can of course also be replaced or supplemented by external keys or an RF remote control or the like.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Magnetically Actuated Valves (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Control Of Combustion (AREA)

Claims (13)

  1. Dispositif de soupape (1) pour des appareils actionnés par gaz, avec un logement de soupape (2) présentant une arrivée de gaz (3) et au moins une évacuation de gaz (4), dans lequel, pour la libération sélective d'un trajet d'écoulement depuis l'arrivée de gaz (3) jusque vers l'évacuation de gaz (4), un insert magnétique (16) exerçant une force magnétique dans un état actif est prévu, lequel insert magnétique présente une pièce de fermeture (15) mobile pour fermer le trajet d'écoulement, où un corps de soupape (5) coulissant est reçu dans le logement de soupape (2), lequel présente un canal d'écoulement (6) intérieur avec au moins un orifice d'entrée (7) et au moins un orifice de sortie (8) pour le gaz à guider à travers, caractérisé en ce que le corps de soupape (5) peut être positionné au choix, au moyen d'une unité de commande ou de réglage (13) qui pilote une unité d'entraînement affectée au corps de soupape (5), entre une position fermée fermant entièrement l'évacuation de gaz (4) et une position ouverte libérant complètement l'évacuation de gaz (4), de sorte que le passage de gaz soit réglable en continu, où, indépendamment de la position du corps de soupape (5) mobile, l'orifice d'entrée (7) du canal d'écoulement (6) intérieur est isolé de manière étanche par rapport à la pièce de fermeture (15), dans un état non actif de l'insert magnétique (16).
  2. Dispositif de soupape selon la revendication 1, caractérisé en ce que l'unité de commande ou de réglage (13) est de surcroît prévue pour l'activation de l'insert magnétique (16).
  3. Dispositif de soupape selon la revendication 1 ou 2, caractérisé en ce que l'unité d'entraînement affectée au corps de soupape (5) est un moteur pas-à-pas (11).
  4. Dispositif de soupape selon l'une des revendications 1 à 3, caractérisé en ce que le corps de soupape (5) est réalisé en tant que corps creux monobloc.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que le corps de soupape (5) présente une cavité (29) périphérique extérieure, laquelle est reliée avec l'au moins un orifice de sortie (8) du canal d'écoulement (6) intérieur.
  6. Dispositif de soupape selon l'une des revendications 1 à 5, caractérisé en ce que sont prévues au moins deux évacuations de gaz (4), en particulier pour un raccordement de gaz d'amorçage ou un raccordement de brûleur principal, où, en fonction de la position du corps de soupape (5), une des ou les deux évacuations de gaz (4) sont en liaison avec l'orifice de sortie (8) du canal d'écoulement (6).
  7. Dispositif de soupape selon l'une des revendications 1 à 6, caractérisé en ce que, lors d'une activation de l'unité de commande ou de réglage (13), le corps de soupape (5) est positionné dans la position fermée, de sorte que la pièce de fermeture (15) soit positionnée contre la force d'un ressort (19) de telle manière qu'un ancrage (15') de la pièce de fermeture (15) soit essentiellement contigu à un électroaimant (17) de l'insert magnétique (16).
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que l'unité de commande ou de réglage (13) est ajustée, à l'intérieur d'un intervalle de temps de sécurité prédéterminé ou jusqu'à atteinte d'une valeur seuil pour une tension de source d'un thermoélément (25), de façon à commander ou à régler un courant auxiliaire pour l'activation de l'insert magnétique (16).
  9. Dispositif selon la revendication 8, caractérisé en ce que l'unité de commande ou de réglage (13) est ajustée de façon à commuter un équipement de commutation (23), en particulier un transistor, après atteinte de la valeur seuil pour la tension de source du thermoélément (25), dans une position fermée dans laquelle l'insert magnétique (16) est alimenté avec la tension de source du thermoélément (25).
  10. Dispositif selon l'une des revendications 1 à 9, le dispositif de soupape (1), y compris l'unité de commande ou de réglage (13) et un système d'amorçage (28) et un accumulateur d'énergie, étant caractérisé en ce qu'il est formé en tant que composant modulable.
  11. Procédé de protection à l'amorçage thermoélectrique d'un appareil actionné par gaz, où pour l'allumage d'une flamme de gaz un corps de soupape (5) mobile est coulissé dans une position fermée, où le corps de soupape (5) emmène une pièce de fermeture (15), de sorte que la pièce de fermeture (15) soit contiguë à un insert magnétique (16) actif et que la pièce de fermeture (15) soit tenue via une force magnétique, où le corps de soupape (5) est ensuite coulissé dans une position dans laquelle depuis la pièce de fermeture (15) un canal d'écoulement intérieur est libéré dans le corps de soupape, caractérisé en ce que le corps de soupape (5) peut être positionné au choix, au moyen d'une unité de commande ou de réglage (13) qui pilote une unité d'entraînement affectée au corps de soupape (5), entre une position fermée fermant entièrement l'évacuation de gaz (4) et une position ouverte libérant complètement l'évacuation de gaz (4), de sorte que le passage de gaz soit réglable en continu, où le corps de fermeture étanchéifie, lors de la disparition de la force magnétique, le canal d'écoulement (6) intérieur indépendamment de la position du corps de fermeture (5).
  12. Procédé selon la revendication 11, caractérisé en ce qu'au début de l'allumage d'une flamme de gaz, l'insert magnétique (16) est alimenté avec un courant auxiliaire et qu'après l'allumage de la flamme de gaz, l'insert magnétique (16) est alimenté via une force électromagnétique provenant d'un thermoélément (25), où dans la conduite provenant du thermoélément (25) est agencé un transistor (23).
  13. Procédé selon la revendication 12, caractérisé en ce que, dans le cas d'un court-circuit du transistor (23), le courant auxiliaire est détourné vers le thermoélément.
EP10782520.0A 2009-11-09 2010-11-09 Dispositif de soupape et procédé de sécurisation thermoélectrique de l'allumage pour appareils fonctionnant au gaz Active EP2499432B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0177009A AT508263B1 (de) 2009-11-09 2009-11-09 Ventilvorrichtung sowie verfahren zur thermoelektrischen zündsicherung für gasbetriebene geräte
PCT/AT2010/000427 WO2011054022A2 (fr) 2009-11-09 2010-11-09 Dispositif de soupape et procédé de sécurisation thermoélectrique de l'allumage pour appareils fonctionnant avec des gaz

Publications (2)

Publication Number Publication Date
EP2499432A2 EP2499432A2 (fr) 2012-09-19
EP2499432B1 true EP2499432B1 (fr) 2018-12-26

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EP (1) EP2499432B1 (fr)
AT (1) AT508263B1 (fr)
WO (1) WO2011054022A2 (fr)

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EP3018413B1 (fr) * 2014-11-05 2019-01-02 Actek S.r.l. Dispositif de réglage pour un four à gaz
US10168054B2 (en) 2016-04-19 2019-01-01 Actek S.R.L. Control device for gas ovens

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Also Published As

Publication number Publication date
EP2499432A2 (fr) 2012-09-19
WO2011054022A2 (fr) 2011-05-12
WO2011054022A3 (fr) 2011-06-30
AT508263A4 (de) 2010-12-15
AT508263B1 (de) 2010-12-15

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