EP3246629B1 - Dispositif de vanne de gaz - Google Patents

Dispositif de vanne de gaz Download PDF

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Publication number
EP3246629B1
EP3246629B1 EP16170268.3A EP16170268A EP3246629B1 EP 3246629 B1 EP3246629 B1 EP 3246629B1 EP 16170268 A EP16170268 A EP 16170268A EP 3246629 B1 EP3246629 B1 EP 3246629B1
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EP
European Patent Office
Prior art keywords
valve unit
valve
unit
electrical voltage
coil
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP16170268.3A
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German (de)
English (en)
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EP3246629A1 (fr
Inventor
Ali Ekbul
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bosch Termoteknik Isitma ve Klima Sanayi Ticaret AS
Original Assignee
Bosch Termoteknik Isitma ve Klima Sanayi Ticaret AS
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Priority to EP16170268.3A priority Critical patent/EP3246629B1/fr
Publication of EP3246629A1 publication Critical patent/EP3246629A1/fr
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Publication of EP3246629B1 publication Critical patent/EP3246629B1/fr
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Classifications

    • 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
    • F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2231/00—Fail safe
    • F23N2231/18—Detecting fluid leaks
    • 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
    • F23N2235/18—Groups of two or more valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2241/00—Applications
    • F23N2241/02—Space-heating

Definitions

  • a gas valve device has already been proposed, which has a first valve unit and a second valve unit, which together open or close a fluid line in an operating state.
  • the first valve unit and the second valve unit are magnetically coupled to one another by a connecting element of the gas valve device.
  • the gas valve device also has a coil which is arranged on the first valve unit.
  • a control unit supplies the coil for controlling the valve units.
  • the control unit supplies the coil with an electrical voltage which is different from zero.
  • the valve units are both open, whereby a fluid can flow through the fluid line.
  • the control unit disconnects the coil from the electrical voltage.
  • the control unit accordingly only supplies the coil with a single non-zero electrical voltage.
  • the DE 20220630 U1 shows a device for regulating and shutting off a fluid flow according to the preamble of claim 1.
  • Die DE 202010015938 U1 shows a gas control device.
  • the invention is based on a gas valve device with at least one first valve unit and at least one second valve unit, which are provided to at least substantially open and / or close a fluid line, with at least one coil, which is used to control the first valve unit and and the second valve unit is provided and is particularly preferably arranged on the first valve unit, and with a control unit which is provided for this purpose, the coil to supply the valve units with at least one electrical voltage.
  • the control unit is provided for supplying the coil with at least a first electrical voltage in at least one first operating state and with at least one second electrical voltage, in particular at least substantially different from the first electrical voltage, both of which are different from zero in at least one second operating state. When a second electrical voltage is applied, the first valve unit is open and the second valve unit is closed.
  • a sensor unit is provided to detect at least one sensor parameter with regard to the presence of fluid in at least a section of the fluid line, the control unit being provided to use the sensor parameter to check at least one closed state of the second valve unit.
  • the gas valve device is in particular at least a part, in particular a subassembly, of a heating system.
  • the gas valve device has the fluid line.
  • valve unit is to be understood in particular as a unit which is provided for closing, in particular a shut-off, and / or for opening the fluid line and which opens and / or closes the fluid line in at least one operating state.
  • the valve unit has at least one and advantageously exactly one valve element which opens and / or closes the fluid line in at least one operating state.
  • the valve element is in particular at least partially and preferably at least largely formed from at least one magnetic material.
  • the valve element could be connected to at least one further element and / or coupled to at least one further element, which in particular could be formed at least in large part from at least one magnetic material.
  • a magnetic material could in particular be a permanent magnetic material, for example a ferromagnetic material.
  • the valve unit has in particular at least one valve housing, in which in particular the valve element is movably mounted.
  • the valve unit has at least one spring element which contains the valve element in at least one mounted state in particular movable relative to the valve housing. The spring element is particularly attached to the valve housing.
  • a “coil” is to be understood in particular to mean an inductive component with at least one inductance which is particularly determined.
  • the coil has at least one current-carrying element, which in particular carries, in particular conducts, electrical current in at least one operating state.
  • the coil has at least five, in particular at least ten, advantageously at least fifteen, preferably at least twenty windings of the current-carrying element.
  • the coil has in particular at least one control contact for control by the control unit.
  • the coil provides a magnetic field as a function of activation by the activation unit in at least one operating state.
  • the coil is “arranged on the first valve unit” is to be understood in particular to mean that the coil is arranged in at least one assembled state in a vicinity of the first valve unit and in particular is fastened to the first valve unit.
  • the coil in at least one assembled state is arranged at least partially in direct mechanical contact with the first valve unit.
  • the current-carrying element of the coil is advantageously wound around the first valve housing of the first valve unit and / or around the first valve element of the first valve unit.
  • the coil moves in particular the valve element of the valve unit, in particular the first valve element of the first valve unit and / or the second valve element of the second valve unit, through the magnetic field.
  • the current-carrying element of the coil could at least largely consist of copper and / or aluminum.
  • a “control unit” is to be understood in particular as a unit which has at least one supply unit which is in particular intended to provide at least one electrical voltage and has at least one control unit which is in particular intended to control the supply unit and in particular by means of the supply unit to supply the coil with electrical voltage.
  • the supply unit has in particular at least one voltage source and / or at least one current source.
  • the control unit has, in particular, a computing unit and in particular, in addition to the computing unit, a storage unit with a control and / or regulating program stored therein, which is intended to be executed by the computing unit. In particular controls the control unit in at least one operating state, the supply unit, which provides electrical voltage as a function of the control by the control unit and supplies the coil with the electrical voltage.
  • the first electrical voltage and the second electrical voltage each have a value greater than zero.
  • the first electrical voltage is greater than the second electrical voltage.
  • the second electrical voltage has in particular a value of at most 90%, in particular of at most 80%, advantageously of at most 70% and preferably of at most 60% of the value of the first electrical voltage.
  • the second electrical voltage has a value of at least 10%, in particular at least 20%, advantageously at least 30% and preferably at least 40% of the value of the first electrical voltage.
  • the second valve unit when the second electrical voltage is applied, the first valve unit is opened and the second valve unit is closed.
  • the second valve unit can in particular be checked for functionality.
  • it can be checked, for example by means of a sensor unit, whether fluid is present downstream of the second valve unit when viewed in the direction of fluid flow.
  • the gas valve device has a sensor unit which is provided to detect at least one sensor parameter with regard to the presence of fluid in at least a section of the fluid line.
  • the section of the fluid line in which the sensor unit detects in particular the sensor parameter with respect to the presence of fluid in at least one operating state is arranged downstream of the valve units, in particular the first valve unit and the second valve unit, when viewed in the direction of fluid flow.
  • a “sensor unit” is to be understood in particular as a unit which has at least one detector for detecting the sensor parameter and which is provided for outputting a value which characterizes the sensor parameter, the sensor parameter advantageously being a physical and / or chemical parameter. In particular, this enables targeted troubleshooting.
  • a closed state of at least one of the valve units can be checked by detecting fluid using the sensor unit.
  • the control unit is provided to use the sensor parameter to check at least one closed state of the second valve unit.
  • the control unit is in particular provided to supply the coil with the second electrical voltage over a particularly predetermined period of time.
  • the particularly predetermined time period could assume a value in a range from 4 s to 7 s.
  • the control unit is provided to supply the coil with a third electrical voltage after the in particular predetermined period of time when the second valve unit is in a sufficiently closed state, which third voltage may differ in particular from zero and / or may have a value of at least substantially zero.
  • the third electrical voltage is in particular different from the first electrical voltage and from the second electrical voltage and in particular has a value which is in particular substantially smaller than a value of the first electrical voltage and as a value of the second electrical voltage.
  • the control unit is provided in particular to output at least one warning and / or to prevent operation of a heating system having the gas valve device if the second valve unit is inadequate after the predetermined period of time. In this way, an operator can be informed of a malfunction, in particular before a complete defect in the second valve unit, whereby the second valve unit can in particular be replaced and / or a more reliable operation of a heating system having the gas valve device can be made possible.
  • the sensor unit could have at least one gas sensor, which could detect the sensor parameter in at least one operating state.
  • the sensor unit could, for example, detect the gas flowing through the fluid line and / or a fire gas, in particular a smoke, which could arise in particular if the fluid flowing through the fluid line is ignited.
  • the sensor unit could have at least one temperature sensor which, in at least one operating state, could detect a temperature, in particular at an outlet of the fluid line and / or at least one heating outlet, to which the fluid line could lead.
  • the sensor unit could in particular detect a temperature of the flame in at least one operating state, as a result of which in particular a malfunction of the flame when the second electrical voltage is applied second valve unit could be concluded.
  • the sensor unit could, in at least one operating state, in particular a temperature in the section of the fluid line and / or at an outlet of the fluid line and / or at least one heating output, to which the fluid line could lead, so that when the second electrical voltage is applied, in particular functionality, in particular correct functioning, of the second valve unit could be inferred.
  • a high level of safety can be provided for an operator and / or the functionality of at least one of the valve units can be checked.
  • a high degree of flexibility can in particular be achieved by the design of the gas valve device according to the invention.
  • different valve units can be opened and / or closed by means of different electrical voltages. Low costs can be achieved particularly advantageously.
  • a possibility for targeted control of individual valve units can be created.
  • a second coil which could be arranged in particular on the second valve unit, can be dispensed with.
  • at least one of the valve units can be checked for functionality by the targeted activation.
  • valve units when the first electrical voltage is applied, the valve units are both open, which in particular enables an unimpeded flow of fluid, in particular gas, through the fluid line.
  • valve units are in particular both closed.
  • at least one closed valve unit at least substantially blocks a flow of fluid, in particular gas, through the fluid line.
  • the second valve unit could be arranged first and the first valve unit arranged downstream of the second valve unit in the direction of fluid flow.
  • the second valve unit is preferably connected downstream of the first valve unit when viewed in the direction of fluid flow.
  • a fluid flowing through the fluid line in the fluid flow direction in particular when a first electrical voltage is applied, first passes the first valve unit and then the second valve unit downstream of the first valve unit.
  • the fluid line can be closed particularly securely when the valve units are closed.
  • the gas valve device has at least one connecting element which magnetically couples the first valve unit and the second valve unit to one another in at least one assembled state.
  • a “connecting element” is to be understood in particular as an element which is intended to direct a magnetic field provided by the coil from the first valve unit to the second valve unit.
  • the connecting element in particular bridges at least substantially a distance between the first valve unit and the second valve unit.
  • the connecting element could, for example, direct a magnetic field provided by the coil on the first valve unit to the second valve unit at least substantially unchanged.
  • the connecting element preferably transmits a magnetic field provided by the coil on the first valve unit, in particular in a substantially weakened manner, to the second valve unit.
  • the material from which the connecting element could consist at least in large part could have a high magnetic transmission resistance.
  • a magnetic field on the second coil has a value of at most 90%, in particular at most 80%, advantageously at most 70% and preferably at most 60% of a value of the magnetic field provided by the coil on the first valve unit.
  • a magnetic field points to the second coil has a value of at least 10%, in particular at least 20%, advantageously at least 30% and preferably at least 40% of a value of the magnetic field provided by the coil on the first valve unit.
  • first valve unit and the second valve unit have different closing forces.
  • different magnetic fields in particular different magnetic field strengths, are required to actuate the first valve unit and to actuate the second valve unit.
  • a “closing force” of a valve unit is to be understood in particular as a force which is necessary in order to convert the valve unit from an open state of the valve unit to a closed state of the valve unit.
  • the closing force of a valve unit is in particular at least essentially defined, in particular determined and / or fixed, by at least one spring constant of the spring element of the valve unit and / or by at least one magnetisability of the valve element of the valve unit and / or by at least one magnetisability of the valve element Valve unit connected element and / or by at least one coefficient of friction of at least one friction, which occurs in particular when the valve element moves relative to the valve housing.
  • a first spring element of the first valve unit and a second spring element of the second valve unit have, in particular, different spring constants. In particular, this enables the valve units to be controlled and / or actuated as required.
  • a particularly high degree of flexibility can be achieved in particular by a heating system with at least one gas valve device according to the invention.
  • the heating system could have, for example, a combined condensing boiler and / or a combined boiler.
  • the heating system could, for example, have devices which could have at least two valve units, in particular at least two fluid valve units, such as a burner and / or a gas valve device with a plurality of gas valve units.
  • Flexibility can in particular be further increased by a method for operating at least one gas valve device according to the invention, with at least one a first valve unit and at least one second valve unit, by means of which a fluid line is at least substantially opened and / or closed, with at least one coil, by means of which the first valve unit and the second valve unit are activated and preferably both valve units are activated and which are particularly preferably activated are arranged in the first valve unit, the coil for controlling the valve units being supplied with at least one electrical voltage, the coil in particular with at least one first voltage in at least one first operating state and with at least one of the first electrical voltage in at least one second operating state in particular substantially different second electrical voltage is supplied, both of which are different from zero and, when the second electrical voltage is applied, the first valve unit is opened and the second valve unit is closed.
  • Fig. 1 shows a heating system 30 with a gas valve device 10.
  • the heating system 30 is designed as a burner.
  • the heating system 30 has a heating system surface 34.
  • the heating system surface 34 faces an operator in an operating state. In an operating state, heating takes place above the heating system surface 34.
  • the heating system 30 has at least one heating output 32.
  • the heating system 30 has a plurality of heating outputs 32. Only one of the heating outputs 32 is described below. In the figures, only one of multiple objects is provided with a reference symbol.
  • the heating outlet 32 is arranged at an outlet of a fluid line 16 (cf. 2 to 4 ).
  • the gas valve device 10 has the fluid line 16.
  • the fluid line 16 is designed as a gas line.
  • the gas valve device 10 has a first valve unit 12 and a second valve unit 14. In an operating state, the valve units 12, 14 essentially open and / or close the fluid line 16. When viewed in the direction of fluid flow 22, the second valve unit 14 is connected downstream of the first valve unit 12.
  • the first valve unit 12 is designed as a solenoid valve unit.
  • the first valve unit 12 has a first valve element 36 (cf. 2 to 4 ).
  • the first valve element 36 closes and / or opens the fluid line 16 in an operating state.
  • the first valve unit 12 has a first valve housing 38. In an assembled state, the first valve element 36 is movably mounted in the first valve housing 38.
  • the first valve unit 12 has a first spring element 40. In an assembled state, the first spring element 40 movably supports the first valve element 36 relative to the first valve housing 40.
  • the second valve unit 14 is designed as a solenoid valve unit.
  • the second valve unit 14 has a second valve element 42 (cf. 2 to 4 ).
  • the second valve element 42 closes and / or opens the fluid line 16 in an operating state.
  • the second valve unit 14 has a second valve housing 44. In an assembled state, the second valve element 42 is movable in the second valve housing 44 stored.
  • the second valve unit 14 has a second spring element 46. In an assembled state, the second spring element 46 movably supports the second valve element 42 relative to the second valve housing 44.
  • the gas valve device 10 has a coil 18. In an assembled state, the coil 18 is arranged on the first valve unit 12. The coil 18 provides a magnetic field on the first valve unit 12 in an operating state. The coil 18 is provided for actuating the valve units 12, 14. Depending on a control by a control unit 20, the coil 18 actuates the valve units 12, 14 in an operating state.
  • the gas valve device 10 has the control unit 20 (cf. Fig. 1 ). In an operating state, the control unit 20 controls the valve units 12, 14 by means of the coil 18. To control the valve units 12, 14, the control unit 20 supplies the coil 18 with electrical voltages. In the following, three different electrical voltages are described as examples, which result in three different states of the two valve units.
  • the control unit 20 supplies the coil 18 with a first electrical voltage which is different from zero.
  • the valve units 12, 14 are both open (cf. Fig. 2 ).
  • the fluid line 16 is open when the first electrical voltage is applied and is suitable for a flow of fluid.
  • a first electrical voltage is applied, fluid flows through the fluid line 16 essentially unhindered in a first operating state.
  • the control unit 20 supplies the coil 18 with a second electrical voltage which is different from the first electrical voltage and which is different from zero.
  • the second electrical voltage has a value that is significantly smaller than a value of the first electrical voltage.
  • the gas valve device 10 has a sensor unit 24 (cf. Fig. 1 ).
  • the sensor unit 24 detects a sensor parameter with regard to the presence of fluid in a section 26 of the fluid line 16 (cf. 2 to 4 ).
  • section 26 of the fluid line 16 is connected downstream of the second valve unit 14.
  • the sensor unit 24 transmits the sensor parameter to the control unit 20.
  • the control unit 20 uses the sensor parameter to check a closed state of the second valve unit 14.
  • the sensor unit 24 detects the presence or absence of a flame at the heating outlet 32 in an operating state, in particular in a second operating state.
  • the control unit 20 checks in an operating state, in particular in a second operating state, by means of the sensor parameter whether it is present second electrical voltage an ignition of a flame at the heating output 32 is possible.
  • the second valve unit 14 is completely closed in a second operating state when the second electrical voltage is present. In a second operating state, ignition of a flame at the heating output 32 is impossible when the second electrical voltage is present.
  • the gas valve device 10 has a connecting element 28 (cf. 2 to 4 ).
  • the connecting element 28 consists largely of a metallic material, such as a sheet metal.
  • the connecting element 28 magnetically couples the first valve unit 12 and the second valve unit 14 to one another.
  • the connecting element 28 transmits a magnetic field provided by the coil 18 on the first valve unit 12 to the second valve unit 14 in a substantially weakened manner.
  • a magnetic field provided by the coil 18 on the first valve unit 12 is sufficient to open and / or keep the first valve unit 12 open.
  • Voltage is a magnetic field provided by the coil 18 on the first valve unit 12 and directed by the connecting element 28 to the second valve unit 14 sufficient to open and / or keep the second valve unit 14 open.
  • a magnetic field provided by the coil 18 on the first valve unit 12 is sufficient to open and / or keep the first valve unit 12 open.
  • a magnetic field provided by the coil 18 on the first valve unit 12 and directed by the connecting element 28 to the second valve unit 14 is insufficient to open and / or keep the second valve unit 14 open.
  • the first valve unit 12 and the second valve unit 14 have different closing forces.
  • a spring constant of the first spring element 40 and a spring constant of the second spring element 46 have mutually different values, both of which are different from zero.
  • the first valve unit could have a closing force, which could essentially correspond to 150 mbar.
  • the second valve unit could have a closing force which could essentially correspond to 50 mbar.
  • the control unit 20 supplies the coil 18 with a third electrical voltage that is different from the first electrical voltage and from the second electrical voltage.
  • the third electrical voltage has a value that is significantly smaller than a value of the second electrical voltage.
  • the valve units 12, 14 are both closed (cf. Fig. 4 ).
  • the fluid line 16 is closed by the valve units 12, 14 when a third electrical voltage is applied.
  • a third electrical voltage is applied, a flow of fluid through the fluid line 16 through the valve units 12, 14 is essentially blocked in a third operating state.
  • the control unit 20 supplies the coil 18 in a third operating state with the third electrical voltage following a check of a closed state of the second valve unit 14, in particular in the case of a correct closed state of the second valve unit 14 and / or in the event of a failed ignition of a flame on the Heating output 32.

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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)

Claims (8)

  1. Dispositif de vanne à gaz comprenant au moins une première unité de vanne (12) et au moins une deuxième unité de vanne (14), lesquelles sont conçues pour fermer et/ou ouvrir au moins sensiblement une conduite de fluide, comprenant au moins une bobine (18) qui est conçue pour une commande de la première unité de vanne (12) et de la deuxième unité de vanne (14), et comprenant une unité de commande (20) qui est conçue pour alimenter la bobine (18) avec au moins une tension électrique en vue de commander les unités de vanne (12, 14), l'unité de commande (20) étant conçue pour alimenter la bobine (18) avec au moins une première tension électrique dans un premier mode de fonctionnement et avec au moins une deuxième tension électrique, différente de la première tension électrique, dans un premier mode de fonctionnement, lesquelles sont toutes deux différentes de zéro, caractérisé en ce que lorsque la deuxième tension électrique est appliquée, la première unité de vanne (12) est ouverte et la deuxième unité de vanne (14) est fermée, une unité de détection (24) étant conçue pour détecter au moins une grandeur caractéristique de détecteur pour ce qui concerne une présence de fluide dans au moins une portion (26) de la conduite de fluide (16), l'unité de commande (20) étant conçue pour vérifier au moins un état de fermeture de la deuxième unité de vanne (14) au moyen de la grandeur caractéristique de détecteur.
  2. Dispositif de vanne à gaz selon la revendication 1, caractérisé en ce que lorsque la première tension électrique est appliquée, les unités de vanne (12, 14) sont toutes deux ouvertes.
  3. Dispositif de vanne à gaz selon l'une des revendications précédentes, caractérisé en ce que la deuxième unité de vanne (14) est branchée à la suite de la première unité de vanne (12) vue dans le sens de l'écoulement du fluide.
  4. Dispositif de vanne à gaz selon l'une des revendications précédentes, caractérisé par au moins un élément de liaison (28) qui réalise un couplage magnétique de la première unité de vanne (12) et de la deuxième unité de vanne (14) dans au moins un état monté.
  5. Dispositif de vanne à gaz selon la revendication 4, caractérisé en ce que l'élément de liaison (28) transmet à la deuxième unité de vanne (14), affaibli, un champ magnétique fourni à la première unité de vanne (12) par la bobine (18).
  6. Dispositif de vanne à gaz selon l'une des revendications précédentes, caractérisé en ce que la première unité de vanne (12) et la deuxième unité de vanne (14) possèdent des forces de fermeture différentes.
  7. Système de chauffage comprenant au moins un dispositif de vanne à gaz (10) selon l'une des revendications précédentes.
  8. Procédé pour faire fonctionner au moins un dispositif de vanne à gaz (10) selon l'une des revendications 1 à 6, comprenant au moins une première unité de vanne (12) et au moins une deuxième unité de vanne (14), par lesquelles une conduite de fluide est au moins sensiblement fermée et/ou ouverte, comprenant au moins une bobine par laquelle la première unité de vanne (12) et la deuxième unité de vanne (14) sont commandées, la bobine (18) étant alimentée avec au moins une tension électrique en vue de commander les unités de vanne (12, 14), la bobine (18) étant alimentée avec au moins une première tension électrique dans un premier mode de fonctionnement et avec au moins une deuxième tension électrique, différente de la première tension électrique, dans un premier mode de fonctionnement, lesquelles sont toutes deux différentes de zéro, et lorsque la deuxième tension électrique est appliquée, la première unité de vanne (12) étant ouverte et la deuxième unité de vanne (14) étant fermée.
EP16170268.3A 2016-05-19 2016-05-19 Dispositif de vanne de gaz Active EP3246629B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16170268.3A EP3246629B1 (fr) 2016-05-19 2016-05-19 Dispositif de vanne de gaz

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Application Number Priority Date Filing Date Title
EP16170268.3A EP3246629B1 (fr) 2016-05-19 2016-05-19 Dispositif de vanne de gaz

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EP3246629A1 EP3246629A1 (fr) 2017-11-22
EP3246629B1 true EP3246629B1 (fr) 2020-05-06

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4206875A1 (de) * 1992-03-05 1993-09-16 Pierburg Gmbh Gasdruckregelsystem
US5458294A (en) * 1994-04-04 1995-10-17 G & L Development, Inc. Control system for controlling gas fuel flow
DE20220630U1 (de) * 2001-12-21 2003-12-24 G. Kromschröder AG Vorrichtung zum Regeln und Absperren eines Fluidstromes
DE202010015938U1 (de) * 2010-11-30 2011-02-10 Honeywell Technologies Sarl Gasregelgerät
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