WO2018010988A1 - Système de brûleur à gaz pour plaque de cuisson à gaz - Google Patents

Système de brûleur à gaz pour plaque de cuisson à gaz Download PDF

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Publication number
WO2018010988A1
WO2018010988A1 PCT/EP2017/066440 EP2017066440W WO2018010988A1 WO 2018010988 A1 WO2018010988 A1 WO 2018010988A1 EP 2017066440 W EP2017066440 W EP 2017066440W WO 2018010988 A1 WO2018010988 A1 WO 2018010988A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
gas burner
flow
burner system
burner assembly
Prior art date
Application number
PCT/EP2017/066440
Other languages
English (en)
Inventor
Peter Negretti
Filippo Tisselli
Michael Herzog
Maurizio Beghi
Filippo Zanetti
Original Assignee
Electrolux Appliances Aktiebolag
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 Electrolux Appliances Aktiebolag filed Critical Electrolux Appliances Aktiebolag
Priority to CN201780041700.7A priority Critical patent/CN109416178A/zh
Priority to BR112019000503-0A priority patent/BR112019000503A2/pt
Priority to US16/313,170 priority patent/US20190154255A1/en
Priority to AU2017295468A priority patent/AU2017295468A1/en
Publication of WO2018010988A1 publication Critical patent/WO2018010988A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/34—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • 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
    • F23N5/105—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples 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
    • F23N5/20—Systems for controlling combustion with a time programme acting through electrical means, e.g. using time-delay relays
    • F23N5/203—Systems for controlling combustion with a time programme acting through electrical means, e.g. using time-delay relays using electronic 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
    • 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
    • F24C3/08—Arrangement or mounting of burners
    • F24C3/085—Arrangement or mounting of burners on ranges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N2005/181—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using detectors sensitive to rate of flow of air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N2005/185—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using detectors sensitive to rate of flow of fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/04—Measuring pressure
    • F23N2225/06—Measuring pressure for determining flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2233/00—Ventilators
    • F23N2233/06—Ventilators at the air intake
    • F23N2233/08—Ventilators at the air intake with variable speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2241/00—Applications
    • F23N2241/08—Household apparatus

Definitions

  • the present invention relates to a gas burner system for a gas cooking hob, in particular for a domestic gas cooking hob. Further, the present invention relates to a gas cooking hob, in particular a domestic gas cooking hob, comprising at least one gas burner system.
  • the mixture of gas and primary air for the gas burner assembly is generated by a mechanical system, e.g. a Venturi system.
  • a mechanical system e.g. a Venturi system.
  • said mechanical system is designed to work in an optimal way within a given range of a gas flow rate.
  • the minimum amount of primary air depends on the distance between a cooking pot and flame port of the gas burner assembly, so that the combustion guality is compliant to the standards and the CO values are below the threshold values.
  • the burner efficiency depends on the dis ⁇ tance between a cooking pot and flame port of the gas burner as ⁇ sembly. The higher said distance, the lower the burner effi ⁇ ciency.
  • the burner efficiency is the ratio between the amount of heat transferred to the cooking pot and the total heat of the burned gas .
  • an automatic extinguishing the flames would be advantageous. Said extinguishing of the flames could be used in an automatic cooking process or for safety reasons .
  • the object is achieved by the gas burner system according to claim 1.
  • the gas burner system for a gas cooking hob in particular for a domestic gas cooking hob, comprises
  • At least one pot support arranged above and/or around the gas burner assembly and defining a distance between said gas burner assembly and a bottom of a cooking pot
  • control unit for controlling the supply air fan and the gas regulator
  • thermocouple for detecting flames above the gas burner assembly and for providing a flame signal to the control unit .
  • the core of the present invention is the use of the supply air fan controlled by the control unit on the one hand and the thermocouple for detecting flames above the gas burner assembly and for providing a flame signal to the control unit on the other hand.
  • the gas burner system according to the present invention allows an improved efficiency.
  • the supply air fan is provided for switching off the gas burner assembly by making the flames lift and/or moving the flames aside, so that the thermocouple is not detecting the flames above the gas burner assembly anymore and the appropriate flame signal is sent to the control unit.
  • the supply air fan allows an automatic extinguishing of the flames on the gas burner assembly.
  • said control unit stops the gas flow from the gas inlet to the gas burner assembly.
  • the flames are automatically extinguished after a prede- termined time.
  • the flames may be automatically extin ⁇ guished for safety reasons. For example, if no cooking pot is detected on the pot support, then the flames are automatically extinguished by the air flow.
  • the shutdown of the gas burner as ⁇ sembly by the air flow is realized by low costs, since fans are usually cheaper than gas valves.
  • a fan is already present and can be used for extinguishing the flames .
  • the gas regulator comprises a gas tap intercon- nected between the gas inlet and the gas burner assembly, wherein said gas tap is closed by the control unit, if the ther ⁇ mocouple detects no flames above the gas burner assembly.
  • the gas burner system is provided for an automatic cooking process, wherein the gas burner assembly is switched off after a predetermined time.
  • the gas burner system may comprise at least one pot sensor for detecting the presence of a cooking pot on the pot support, wherein said pot sensor provides the control unit with a pot signal, and wherein the gas burner assembly is switched off, if no cooking pot is detected on the pot support.
  • the gas burner system comprises means for detecting and/or estimating the pressure and/or the temperature of the air flow, wherein preferably said means are connected or connectable to the control unit .
  • the gas burner system may comprise means for detecting and/or estimating the pressure, the temperature and/or the flow rate of the gas flow, wherein preferably said means are con ⁇ nected or connectable to the control unit.
  • the gas burner system comprises a mixer unit for receiving the air flow from the supply air fan and the gas flow from the gas inlet, wherein said mixer unit generates an air-gas mixture and provides the gas burner assem- bly with said air-gas mixture.
  • the air flow from the supply air fan depends on the gas flow from the gas inlet, wherein said gas flow is adjusted or adjustable by a user, and wherein preferably the gas flow is read or estimated on the basis of the knob for adjusting the gas flow, by a gas flow sensor or by an electronic gas valve actuator .
  • the gas burner system comprises a gas dosing valve interconnected between the gas inlet and the mixer unit .
  • the gas flow from the gas inlet may depend on the air flow from the supply air fan, wherein said air flow is adjusted or adjustable by the user and read by the means for detecting and/or estimating the pressure and/or the temperature of the air flow, and wherein the gas flow is automatically ad ⁇ justed by the gas dosing valve.
  • the gas flow adjusted by the gas dosing valve is proportional to the air flow from the supply air fan.
  • the gas burner system comprises a Venturi system for receiving the air flow from the supply air fan and the gas flow from the gas inlet, wherein said Venturi system generates an air-gas mixture and provides the gas burner assembly with said air-gas mixture.
  • the total amount of air is provided via the Venturi system to the gas burner assembly, while air to the Venturi system is pro vided by a pressurized gas tank or a further fan, wherein preferably said pressurized gas tank or further fan, respectively, is integrated in a closed loop and keeps a pressure in a lower box of the Venturi system at a constant value.
  • the present invention relates to a gas cooking hob, in particular a domestic gas cooking hob, wherein the gas cooking hob comprises at least one gas burner system mentioned above.
  • FIG. 1 illustrates a schematic side view of a gas burner system for a gas cooking hob according to a first embodiment of the present invention
  • FIG. 2 illustrates a schematic side view of the gas burner system for the gas cooking hob according to a second embodi ment of the present invention
  • FIG 4 illustrates a schematic side view of the gas burner sys ⁇ tem for the gas cooking hob according to a fourth embodiment of the present invention.
  • FIG 1 illustrates a schematic side view of a gas burner system 10 for a gas cooking hob according to a first embodiment of the present invention.
  • the gas burner system 10 comprises a gas burner assembly 12, a pot support 14, a supply air fan 16, a gas tap 18 and a gas in ⁇ let 38.
  • the gas burner assembly 12 includes a plurality of flame ports.
  • the pot support 14 is arranged above and/or around the gas burner assembly 12 and defines the distance between the gas burner assembly 12 and the bottom of a cooking pot.
  • the supply air fan 16 and the gas tap 18 are arranged beneath the gas burner assembly 12.
  • the supply air fan 16 generates an air flow 24 to the gas burner assembly 12.
  • the gas inlet 38 is connected or connectable to a gas supply.
  • the gas tap 18 is interconnected between the gas inlet 38 and the gas burner assembly 12.
  • the gas tap 18 lets pass a gas flow 26 from the gas inlet 38 to the gas burner assembly 12.
  • the gas tap 18 is a mechanical tap .
  • the gas burner system 10 comprises a control unit 20 and a thermocouple 22.
  • the control unit 20 is provided for con ⁇ trolling the supply air fan 16 in order to regulate the air flow 24 to the gas burner assembly 12.
  • the control unit 20 is provided for controlling the gas tap 18 in order to regulate the gas flow 26 to the gas burner assembly 12.
  • the thermocouple 22 is arranged within, besides or above the gas burner assembly 12 and provided for detecting the temperature and/or the pres ⁇ ence of the flames escaping from said gas burner assembly 12.
  • the thermocouple 22 is connected to the control unit 20 and pro ⁇ vides said control unit 20 with a flame signal 28.
  • the air flow 24 generated by the supply air fan 16 could be pri- mary air, part of a combustion mixture or an independent air flow.
  • the air flow 24 is directed towards the flames of the gas burner assembly 12.
  • the air flow 24 is provided for switching off the gas burner assembly 12 by making the flames lift and/or moving the flames aside, so that the thermo- couple 22 is not sensing the flames anymore and an appropriate flame signal 28 is sent to the control unit 20.
  • the control unit 20 closes the gas tap 18, so that the gas flow 26 to the gas burner assembly 12 is stopped.
  • the shutdown of the gas burner assembly 12 by the air flow 24 is realized by low costs, since fans are usually cheaper than gas valves.
  • a fan is already present and can be used for extinguishing the flames.
  • the supply air fan 16 allows an automatic extinguishing of the flames on the gas burner assembly 12. For example, during an au ⁇ tomatic cooking process the flames are automatically extin ⁇ guished after a predetermined time. Further, the flames may be automatically extinguished for safety reasons. For example, if no cooking pot is detected on the pot support 14, then the flames are automatically extinguished by the air flow 24.
  • FIG 2 illustrates a schematic side view of the gas burner system 10 for the gas cooking hob according to a second embodiment of the present invention.
  • the gas burner system 10 comprises the gas burner assembly 12, the pot support 14, the supply air fan 16, the control unit 20, the thermocouple 22 and the gas inlet 32.
  • the gas burner assem ⁇ bly 12 includes the plurality of flame ports.
  • the pot support 14 is arranged above and/or around the gas burner assembly 12 and defines the distance between the gas burner assembly 12 and the bottom of the cooking pot .
  • the gas burner system 10 comprises a mixer unit 30.
  • the supply air fan 16 and the mixer unit 34 are arranged beneath the gas burner assembly 12.
  • the supply air fan 16 generates an air flow 24 of primary air to the mixer unit 30.
  • the gas flow 26 is delivered to the mixer unit 30.
  • an air-gas mixture 34 is composed of the air flow 24 and the gas flow 26. Then, the air-gas mixture 34 is deliv ⁇ ered to the gas burner assembly 12.
  • the control unit 20 is provided for controlling the supply air fan 16 in order to regulate the air flow 24 from the supply air fan 16 to the mixer unit 30.
  • the thermocouple 22 is arranged at the gas burner assembly 12 and detects the temperature and/or the presence of the flames escaping from the gas burner assembly 12. The thermocouple 22 is connected to the control unit 20 and provides said control unit 20 with the flame signal 28.
  • the pressure Pg, the temperature Tg and the flow rate Og of the gas flow 26 are detected, and the correspondent values are de ⁇ livered to the control unit 20. Further, the pressure Pa and the temperature Ta of the air flow 24 are detected, and the corre ⁇ spondent values are delivered to the control unit 20. Moreover, the pressure Pm and the temperature Tm of the air-gas mixture 34 are detected, and the correspondent values are delivered to the control unit 20.
  • the flow rate Og of the gas flow 26 may be estimated on the basis of a knob for adjusting said gas flow 26, by a gas flow sensor and/or by an electronic gas valve actuator.
  • the control unit 20 is provided for controlling the speed of the supply air fan 16 in order to regulate the air flow 24 on the basis of the pressure Pg, the temperature Tg and the flow rate Og of the gas flow 26 and/or on the basis of the pressure Pa and the temperature Ta of the air flow 24.
  • the air density of said air flow 24 may be estimated on the basis of the pressure Pa and the temper- ature Ta of said air flow 24.
  • the gas flow 26 is set by the user, while the air flow 24 blown by the supply air fan 16 depends on said gas flow 26.
  • the gas flow 26 is read or estimated on the basis of the knob for adjusting the gas flow 26, by the gas flow sensor or by the electronic gas valve actuator.
  • the control unit 20 regulates the speed of the supply air fan 16 on the basis of the pressure Pg, the temperature Tg and the flow rate Og of the gas flow 26 and/or on the basis of the pressure Pa and the temperature Ta of the air flow 24.
  • the air flow 24 depends on the gas flow 26.
  • the supply air fan 16 increases the amount of primary air fed to the gas burner assembly 12. Said increased amount of primary air allows a lower pot support 14 in order to achieve higher burner efficiencies.
  • the burner efficiency is the ration between the amount of heat transferred to the cooking pot and the total heat of the burned gas.
  • the lower pot support 14 is advantageous for the design of the gas cooking hob. Moreover, the lower pot support 14 facilitates the cleanability of the gas cooking hob .
  • the supply of primary air should be reduced.
  • the ideal amount of primary air may be com ⁇ puted by a temperature function and/or by the time elapsed from the shut-off of the flames.
  • a boost function may be activated, wherein the power is increased instantly for a predetermined or programmable time by pressing a button.
  • the boost function may be implemented by the electronic gas valve actuator.
  • the supply air fan 16 or a further air fan is pro ⁇ vided for switching off the gas burner assembly 12 by making the flames lift and/or moving the flames aside, so that the thermo ⁇ couple 22 is not sensing the flames anymore and an appropriate flame signal 28 is sent to the control unit 20. Then, the con- trol unit 20 interrupt the supply of the gas inlet 32, so that the gas flow 26 to the mixer unit 30 is stopped.
  • the shutdown of the gas burner assembly 12 by the air flow 24 is realized by low costs, since the supply air fan 16 is already present and can be used for extinguishing the flames.
  • the supply air fan 16 allows the automatic extinguishing of the flames on the gas burner assembly 12.
  • the flames are automatically extin ⁇ guished after a predetermined time or for safety reasons. For example, if no cooking pot is detected on the pot support 14, then the flame is automatically extinguished by the air flow 24.
  • FIG 3 illustrates a schematic side view of the gas burner system 10 for the gas cooking hob according to a third embodiment of the present invention.
  • the gas burner system 10 of the third em ⁇ bodiment is similar as that of the second embodiment.
  • the gas burner system 10 of the third embodiment comprises the same components as that of the second embodiment. Additionally, the gas burner system 10 of the third embodiment comprises a gas dosing valve 36 interconnected between the gas inlet 32 and the mixer unit 30. In this embodiment, the air flow 24 blown by the supply air fan 16 depends on the position of the gas knob, while the amount of the gas flow 26 is dosed proportionally to the air flow 24 by the gas dosing valve 36. Thus, the gas flow 26 depends on the air flow 24.
  • the supply air fan 16 or another air fan is provided for switching off the gas burner assembly 12 by making the flames lift and/or moving the flames aside, so that the thermocouple 22 is not sensing the flames anymore and an ap- basementte flame signal is sent to the control unit 20.
  • the control unit 20 closes the gas dosing valve 36, so that the gas flow 26 to the mixer unit 30 is stopped.
  • the shut ⁇ down of the gas burner assembly 12 by the supply air fan 16 may be realized by low costs, since said supply air fan 16 is al- ready present and can be used for extinguishing the flames.
  • the supply air fan 16 allows the automatic extinguishing of the flames on the gas burner assembly 12.
  • the flames are automatically extin- guished after a predetermined time or for safety reasons. For example, if no cooking pot is detected on the pot support 14, then the flame is automatically extinguished by the air flow 24.
  • FIG 4 illustrates a schematic side view of the gas burner system 10 for the gas cooking hob according to a fourth embodiment of the present invention.
  • the gas burner system 10 comprises the gas burner assembly 12 with the plurality of flame ports, the pot support 14, the supply air fan 16, the control unit 20, the thermocouple 22 and the gas inlet 32.
  • the pot support 14 is arranged above and/or around the gas burner assembly 12 and defines the distance between the gas burner assembly 12 and the bottom of the cooking pot.
  • the gas burner system 10 comprises a Venturi system 38.
  • the supply air fan 16 and the Venturi system 38 are arranged beneath the gas burner assembly 12.
  • the supply air fan 16 generates the air flow 24 of primary air to the gas burner assembly 12 and to the Venturi system 38.
  • the gas flow 26 is delivered to the Venturi system 38.
  • an air-gas mixture 34 is composed of the air flow 24 and the gas flow 26. Then, the air-gas mixture 34 is delivered to the gas burner assembly 12.
  • the control unit 20 is provided for controlling the supply air fan 16 in order to regulate the air flow 24 from the supply air fan 16 to the mixer unit 30 and to the gas burner assembly 12.
  • the thermocouple 22 is arranged at the gas burner assembly 12 and detects the temperature and/or the presence of the flames escaping from the gas burner assembly 12.
  • the thermocouple 22 is connected to the control unit 20 and provides said control unit 20 with the flame signal 28.
  • the pressure Pg and the temperature Tg of the gas flow 26 are detected, and the correspondent values are delivered to the control unit 20.
  • the pressure Pa and the tempera- ture Ta of the air flow 24 are detected, and the correspondent values are delivered to the control unit 20.
  • the Venturi system 38 provides a part of the total amount of air, while the remaining part of air is provided by the supply air fan 16. Alternatively or additionally, the remaining part of air is provided by a pressurized gas tank and/or by another fan.
  • the pressurized gas tank and/or the other fan are integrated in a closed loop and keep the pressure in a lower box of the Ven- turi system 38 at a constant value.
  • the lower box is sufficiently sealed in order to allow an increase of the ambient pressure .
  • the supply air fan 16 and the Venturi system 38 allow a lower pot support 14 in order to achieve higher burner efficiencies, which is the ratio between the amount of heat transferred to the cooking pot and the total heat of the burned gas. Further, the lower pot support 14 provides an advantageous design of the gas cooking hob. Moreover, the lower pot support 14 facilitates the cleanability of the said cooking hob. A warm up phase with special corrections is not reguired. The increased power of the gas burner system 10 avoids long Venturi pipes.
  • the supply air fan 16 or another air fan is pro- vided for switching off the gas burner assembly 12 by making the flames lift and/or moving the flames aside, so that the thermocouple 22 is not sensing the flames anymore and an appropriate flame signal 28 is sent to the control unit 20. Then, the control unit 20 interrupt the supply of the gas inlet 32, so that the gas flow 26 to the Venturi system 38 is stopped.
  • the shutdown of the gas burner assembly 12 by the air flow 24 is realized by low costs, since the supply air fan 16 is already present and can be used for extinguishing the flames.
  • the supply air fan 16 allows the automatic extinguishing of the flames on the gas burner assembly 12. In particular, during an automatic cooking process the flames are automatically extinguished after a predetermined time or for safety reasons. For example, if no cooking pot is detected on the pot support 14, then the flame is automatically extinguished by the air flow 24.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Gas Burners (AREA)
  • Control Of Combustion (AREA)

Abstract

La présente invention concerne un système de brûleur à gaz (10) pour une plaque de cuisson à gaz, en particulier pour une plaque de cuisson à gaz domestique. Le système de brûleur à gaz (10) comprend un ensemble brûleur à gaz (12) comportant une pluralité d'orifices de flamme. Au moins un support (14) de casserole est disposé au-dessus et/ou autour de l'ensemble brûleur à gaz (12), définissant une distance entre l'ensemble brûleur à gaz (12) et le fond d'une casserole. Au moins un ventilateur d'alimentation en air (16) est utilisé pour générer un écoulement d'air (24) vers l'ensemble brûleur à gaz (12). Une entrée de gaz (38) est reliée ou peut être reliée à une alimentation en gaz. Un régulateur de gaz (18; 30; 36; 38) est utilisé pour réguler un écoulement de gaz de l'entrée de gaz (38) à l'ensemble brûleur à gaz (12). Une unité de commande (20) est utilisé pour commander le ventilateur d'alimentation en air (16) et le régulateur de gaz (18; 30; 36; 38). Au moins un thermocouple (22) est utilisé pour détecter les flammes au-dessus de l'ensemble brûleur à gaz (12) et pour fournir un signal de flamme (28) à l'unité de commande (20).
PCT/EP2017/066440 2016-07-11 2017-07-03 Système de brûleur à gaz pour plaque de cuisson à gaz WO2018010988A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201780041700.7A CN109416178A (zh) 2016-07-11 2017-07-03 用于燃气烹饪灶具的燃气燃烧器系统
BR112019000503-0A BR112019000503A2 (pt) 2016-07-11 2017-07-03 sistema de queimador de gás para um cooktop a gás
US16/313,170 US20190154255A1 (en) 2016-07-11 2017-07-03 Gas burner system for a gas cooking hob
AU2017295468A AU2017295468A1 (en) 2016-07-11 2017-07-03 Gas burner system for a gas cooking hob

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16178768.4 2016-07-11
EP16178768.4A EP3270060B1 (fr) 2016-07-11 2016-07-11 Système de brûleur à gaz pour plaque de cuisson à gaz

Publications (1)

Publication Number Publication Date
WO2018010988A1 true WO2018010988A1 (fr) 2018-01-18

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PCT/EP2017/066440 WO2018010988A1 (fr) 2016-07-11 2017-07-03 Système de brûleur à gaz pour plaque de cuisson à gaz

Country Status (6)

Country Link
US (1) US20190154255A1 (fr)
EP (1) EP3270060B1 (fr)
CN (1) CN109416178A (fr)
AU (1) AU2017295468A1 (fr)
BR (1) BR112019000503A2 (fr)
WO (1) WO2018010988A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10677469B2 (en) * 2017-10-19 2020-06-09 Haier Us Appliance Solutions, Inc. Fuel supply system for a gas burner assembly
US11490763B2 (en) * 2020-04-14 2022-11-08 Jilong Wu Fully automatic and efficiently energy-saving barbecue grill
CN114278933A (zh) * 2021-12-13 2022-04-05 浙江蓝炬星电器有限公司 一种移锅小火燃烧器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2270750A (en) * 1992-09-11 1994-03-23 Stoves Ltd Mixing chamber for gaseous fuel burner
GB2328502A (en) * 1997-08-20 1999-02-24 Stoves Plc Gas cooking hob
EP2072900A1 (fr) * 2007-12-17 2009-06-24 CANDY S.p.A. Brûleur pour table de cuisson domestique à gaz et table de cuisson domestique à gaz
WO2014049421A1 (fr) * 2012-09-27 2014-04-03 Defendi Italy S.R.L. Procédé de régulation de la puissance calorifique d'un brûleur à gaz et brûleur à gaz amélioré l'utilisant
US20160084506A1 (en) * 2014-09-18 2016-03-24 E.G.O. Elektro- Geraetebau GmbH Method of pot detection and gas hob

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20130189A1 (it) * 2013-07-05 2015-01-06 Sit La Precisa S P A Con Socio Uni Co Dispositivo miscelatore aria-gas per apparecchi bruciatori a pre-miscelazione
CN105650694B (zh) * 2016-04-08 2017-11-28 王渊奇 一种防烧干装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2270750A (en) * 1992-09-11 1994-03-23 Stoves Ltd Mixing chamber for gaseous fuel burner
GB2328502A (en) * 1997-08-20 1999-02-24 Stoves Plc Gas cooking hob
EP2072900A1 (fr) * 2007-12-17 2009-06-24 CANDY S.p.A. Brûleur pour table de cuisson domestique à gaz et table de cuisson domestique à gaz
WO2014049421A1 (fr) * 2012-09-27 2014-04-03 Defendi Italy S.R.L. Procédé de régulation de la puissance calorifique d'un brûleur à gaz et brûleur à gaz amélioré l'utilisant
US20160084506A1 (en) * 2014-09-18 2016-03-24 E.G.O. Elektro- Geraetebau GmbH Method of pot detection and gas hob

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CN109416178A (zh) 2019-03-01
EP3270060A1 (fr) 2018-01-17
US20190154255A1 (en) 2019-05-23
AU2017295468A1 (en) 2018-12-20
EP3270060B1 (fr) 2019-11-27

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