EP2589879B1 - Ensemble formant brûleur à gaz, plaque de cuisson au gaz et appareil à brûleur à gaz - Google Patents

Ensemble formant brûleur à gaz, plaque de cuisson au gaz et appareil à brûleur à gaz Download PDF

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Publication number
EP2589879B1
EP2589879B1 EP11187809.6A EP11187809A EP2589879B1 EP 2589879 B1 EP2589879 B1 EP 2589879B1 EP 11187809 A EP11187809 A EP 11187809A EP 2589879 B1 EP2589879 B1 EP 2589879B1
Authority
EP
European Patent Office
Prior art keywords
burner
gas
crown
cookware support
cooking hob
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.)
Not-in-force
Application number
EP11187809.6A
Other languages
German (de)
English (en)
Other versions
EP2589879A1 (fr
Inventor
Fabio Rasi
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP11187809.6A priority Critical patent/EP2589879B1/fr
Application filed by Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to ES11187809.6T priority patent/ES2621792T3/es
Priority to AU2012331416A priority patent/AU2012331416B2/en
Priority to RU2014113329/03A priority patent/RU2603312C2/ru
Priority to US14/347,438 priority patent/US20140251305A1/en
Priority to PCT/EP2012/069814 priority patent/WO2013064328A1/fr
Priority to CN201280053101.4A priority patent/CN104024739A/zh
Publication of EP2589879A1 publication Critical patent/EP2589879A1/fr
Application granted granted Critical
Publication of EP2589879B1 publication Critical patent/EP2589879B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • F23D14/06—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 with radial outlets at the burner head
    • 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
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/107—Pan supports or grates therefor
    • 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
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges

Definitions

  • the invention is directed to a gas burner assembly, gas cooking hob and a gas burner appliance.
  • Gas cooking hobs are known to be used in household or industrial gas burner or cooking appliances or gas cooking hobs.
  • Such gas cooking hobs as for example known from EP 1 508 001 B1 , DE 100 29 632 A1 or DE 195 05 470 C2 can comprise one or more single gas burners.
  • Document GB 968,296 A discloses a gas burner in which a wirebased cookware support is attached to a burner crown, which, together with the cookware support, is fastened to a burner body via a bolted connection between the burner body and a burner cap.
  • Document FR 1,114,051 A discloses a gas burner, in which a cookware support and a burner cap are designed as a one-piece part that can be placed on a burner crown implemented within a working surface.
  • the cooking hobs and related gas burners will generally be soiled. Therefore, from time to time the cooking hobs and gas burners have to be cleaned. This in general requires removing the gas burners at least partially from the cooking hobs.
  • an object of the invention is to provide a gas burner assembly that can easily be removed from a cooking hob and that can easily be repositioned on the cooking hob again. Further, a gas cooking hob and a gas burner appliance shall be provided.
  • a gas burner assembly which comprises a cookware support, a burner crown and a burner cap.
  • the burner crown is attached to a lower side of the cookware support.
  • the burner cap is fixed or attached between the cookware support and burner crown.
  • the cookware support has at least three, preferably at least four, arm-portions, extending in radial direction from a center of the cookware support, and wherein each arm-portion has on its end lying distant to the center of the cookware support a leg-portion projecting from the lower side of the respective arm-portion.
  • the proposed gas burner assembly can be removed from a cooking hob in a single movement, not requiring several steps or actions to remove single parts of the gas burner assembly from the cooking hob.
  • the proposed gas burner assembly can be easily repositioned on the cooking hob again.
  • a cookware support is generally used to support or hold a cookware, a pot or pan for example, on a cooking hob.
  • the term "upper side" of the cookware support shall mean the side on which the cookware is placed in normal use of the gas burner assembly.
  • the lower side of the cookware support is the side averted from the upper side, facing the cooking hob when the cookware support is placed on the cooking hob.
  • a burner crown is generally used for atmospheric gas burners, and has on an upper side of its outer rim a plurality of recesses facing the burner cap when assembled.
  • the recesses together with the burner cap, acting as a type of cover, make up gas ports through which a gas-air mixture can flow out.
  • the gas-air mixture flowing out of these gas ports is ignited and respective gas flames can be used to heat the cookware placed on a respective cookware support.
  • the burner crown and, if applicable, the burner cap is/are detachably attached or mounted to the cookware support.
  • the burner crown can for example be attached to the cookware support by means of at least one screw, preferably with at least two screws.
  • the at least one screw may pass through aligned openings or holes provided in the burner cap and burner crown, respectively.
  • the at least one screw may be screwed into the cookware support from the lower side thereof. If screw holes in the cookware support and respective holes in the burner cap and burner crown are properly aligned, all three components, i. e. the cookware support, the burner cap and burner crown, can automatically be aligned by screwing the at least one screw in a respective screw hole. Notches, pins or other elements for proper alignment of all three elements can be provided in addition.
  • the cookware support has at least three, preferably at least four, arm-portions, extending in radial direction from a center of the cookware support.
  • the arm-portions lie in a common plane and angles between adjacent arm-portions are all the same, i. e. that the arm-portions are equally distributed in said plane.
  • Each arm-portion has on its end lying distant to the center of the cookware support a leg-portion projecting from the lower side of the respective arm-portion.
  • each leg-portion has on its free end distant from a respective arm-portion an end-piece designed as a bumper or shock-absorber and/or positioning element.
  • screws mentioned above can be screwed into the arm-portions preferably near or at the center of the cookware support.
  • the geometry, in particular length, of the arm-portions and leg-portions is such that they spread and extend, with respect to the axial and lateral dimensions, beyond the burner cap and burner crown.
  • the cookware support is a supporting structure for the burner cap and burner crown.
  • the cookware support carries or holds both the burner cap and burner crown from above, while burner cap and burner crown extend downwards from the lower side of the cookware support.
  • the level of the burner cap and burner crown relative to the underlying cooking hob on which the gas burner assembly will be placed can be adjusted by adequately selecting the length of the leg-portions and/or end-pieces.
  • the bumpers and/or positioning elements can be designed such that the gas burner assembly, in particular cookware support, will not cause or leave scratches on scratch-sensitive cooking hobs, such as for example cooking hobs made from glass ceramic, stainless steel, aluminum and others.
  • Bumpers or shock absorbers can for example be made from heat-resistant plastics or rubber materials.
  • Cooking hobs, on which the gas burner assembly will be placed can comprise respective counterpart elements designed to interact with respective end-pieces, in particular bumpers and/or positioning elements, preferably for proper alignment of the gas burner assembly on the cooking hob.
  • the burner crown which is preferably of circular or cylindrical shape, has a gas inlet, preferably a gas inlet flange projecting from the lower side of the burner crown.
  • the gas inlet is preferably centered with respect to the lateral dimension of the burner crown.
  • the gas inlet flange projecting from the lower side can easily be coupled with a corresponding gas outlet, probably a flange or opening provided on, in or at the cooking hob, when the gas burner assembly is put and aligned on the cooking hob.
  • coupling of the gas inlet and outlet is automatically achieved upon positioning the gas burner assembly to the gas cooking hob.
  • Claim 8 is directed to a gas cooking hob.
  • the gas cooking hob comprises at least one section to which a gas burner assembly as described above, including any embodiments thereof, is coupled to.
  • the cooking hob more preferably, the at least one section, comprises a gas outlet, a gas outlet flange or opening for example, coupled to or at least adapted to be coupled to the gas inlet, in particular gas inlet flange, of the burner crown.
  • a number of positioning elements preferably depressions, adapted and designed to at least partially couple to, preferably receive, a leg-portion and/or end-piece of the cookware support of the gas burner assembly.
  • the gas burner assembly can properly and quasi automatically be aligned relative to the cooking hob.
  • proper alignment is obtained by simply placing the gas burner assembly, in more detail the cookware support, on the gas cooking hob such that leg-portions and/or end-pieces couple to respective positioning elements.
  • Claim 10 is directed to a gas burner appliance comprising at least one gas cooking hob as described above, including any embodiments.
  • a gas burner appliance comprising at least one gas cooking hob as described above, including any embodiments.
  • Fig. 1 shows a household gas burner appliance 1 having a gas cooking hob 2 with several gas burner assemblies 3. Note that the gas burner appliance 1 and gas cooking hob 2 will be described only insofar as is necessary for understanding the invention.
  • the cooking hob 2 comprises in total four gas burner assemblies 3 arranged in the top section of the gas burner appliance 1.
  • Fig. 2 shows a perspective view of one of the gas burner assemblies 3.
  • the gas burner assembly 3 comprises a cookware support 4, a burner crown 5 and a burner cap 6.
  • the cookware support 4 has a type of a four-footed x-shape body.
  • the cookware support 4 has four arm-portions 7 extending in radial direction from a center 8 of the cookware support 4.
  • the arm-portions 7 are approximately evenly distributed in a common plane spanned by the four arm-portions 7. In the present case, the arm-portions 7 are offset from each other by about 90°.
  • Each arm-portion 7 has on its end lying distant from the center 8 a leg-portion 9.
  • the leg-portions 9 extend downwards beyond the lowest level of the burner cap 5.
  • Each leg-portion 9 has on its free end, i. e. on its end distant from the respective arm-portion 7, a rubber bumper element 10.
  • the burner crown 5 is attached to the cookware support 4, wherein the burner cap 6 is interposed between the burner crown 5 and cookware support 4 and, by the attachment of the burner crown 5, the burner cap 6 is also attached to the cookware support 4.
  • Fig. 3 shows a bottom view of the gas burner assembly 3.
  • the burner crown 5 and burner cap 6 are removeably attached to the cookware support 4 by two screws 11.
  • the screws 11 are screwed in from the lower side into respective arm-portions 7.
  • the screws pass respective holes provided in mutual alignment in the burner crown 5 and burner cap 6. In all, by screwing in the screws 11, the burner crown 5 and the burner cap 6 are attached in proper alignment to the cookware support 4.
  • Fig. 4 shows an enlarged view of the gas burner assembly 3 positioned on the gas cooking hob 2.
  • the rubber bumper elements 10 are in contact with the cooking hob 2.
  • the rubber bumper elements 10 are made from a comparatively flexible material, scratching of the upper surface of the cooking hob 2 can be prevented.
  • the rubber bumper elements 10 also help to properly align the gas burner assembly 3 relative to the cooking hob 2 as they engage or lie in respective depressions.
  • the depressions are arranged and designed such that the gas burner assembly 3 is automatically and properly aligned when the rubber bumper elements 10 lie or engage the depressions.
  • a gas inlet flange 12 projecting from the burner crown 5 lower side is coupled to a gas outlet (not shown) of the cooking hob 2.
  • a gas outlet (not shown) of the cooking hob 2.
  • the crown is of circular, cylindrical shape with the gas inlet flange being centered on the bottom side thereof.
  • the upper rim of the burner crown 5 facing the burner cap 6 has a plurality of, in the present case different sized, recessions 13.
  • the recessions 13 in combination with the burner cap 6 make up gas ports through which a gas-air mixture flows out from a chamber enclosed by the burner crown 5 and burner cap 6.
  • the gas-air mixture flowing out of the gas ports in general is ignited, with respective lambent gas flames heat cookware placed on the cookware support 4.
  • the burner crown 5 and burner cap 6 are attached to the cookware support 4 via screws 11. It shall be mentioned that any other type of connection is possible. In particular detachable fixing or fastening elements can be used.
  • burner crown 5 and burner cap 6 are shown to have a circular configuration. It shall however be mentioned, that other geometrical shapes come into question.
  • the cookware support in the present example has four arm-portions 7, which shall not restrict or limit the number of arm-portions 7 to four. Any other configuration of the cookware support, probably also without single arm-portions and leg-portions, may be considered as well, as far as the burner crown and burner cap can be attached to such a configuration in a similar way.
  • the cookware support 4 rests via its rubber bumper elements 10 on the cooking hob 2.
  • the leg-portions 9 and rubber bumper elements 10 are designed such that the burner crown 5 and burner cap 6 are respectively positioned at proper height levels relative to the surface of the gas cooking hob 2.
  • the burner crown 5 can be properly positioned without the need for additional spacers.
  • Such spacers are necessary with known gas burners and generally project from the burner crown lower side, in order to keep the burner crown at appropriate levels above the cooking hob surface. In omitting the spacers, which is possible with the proposed configuration, the mass of the burner crown can be reduced.
  • a further advantage of the proposed gas burner assembly 3 is that it can be designed with low overall construction height.
  • burner body bowls required with known configurations for proper alignment of the burner crown can now be omitted leading to smooth and easy to clean cooking hob surfaces.
  • burner caps and burner crowns as already in use can in principle be used without requiring major amendments and reconstruction work.
  • that with the proposed gas burner assembly it is possible to implement burners from low nominal power to high nominal power.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
  • Baking, Grill, Roasting (AREA)
  • Cookers (AREA)
  • Combinations Of Kitchen Furniture (AREA)

Claims (10)

  1. Ensemble formant brûleur à gaz (3) comprenant un support de récipient de cuisson (4), une couronne de brûleur (5) et un chapeau de brûleur (6), dans lequel la couronne de brûleur (5) est attachée à un côté inférieur du support de récipient de cuisson (4), et dans lequel le chapeau de brûleur (6) est fixé entre le support de récipient de cuisson (4) et la couronne de brûleur(5),
    caractérisé en ce que:
    le support de récipient de cuisson (4) comprend au moins trois, de préférence quatre parties de bras (7) qui s'étendent dans une direction radiale à partir d'un centre (8) du support de récipient de cuisson (4), et dans lequel chaque partie de bras (7) présente à son extrémité distante du centre (8) du support de récipient de cuisson (4) une partie de pied (9) qui fait saillie à partir du côté inférieur de la partie de bras respective (7).
  2. Ensemble formant brûleur à gaz (3) selon la revendication 1, dans lequel la couronne de brûleur (5) et, si applicable, le chapeau de brûleur (6), est (sont) attaché(s) de façon détachable au support de récipient de cuisson (4).
  3. Ensemble formant brûleur à gaz (3) selon au moins une des revendications 1 et 2, dans lequel la couronne de brûleur (5) est attachée au support de récipient de cuisson (4) au moyen d'au moins une vis (11), de préférence à l'aide d'au moins deux vis (11).
  4. Ensemble formant brûleur à gaz (3) selon la revendication 3, dans lequel ladite au moins une vis (11) passe à travers des ouvertures alignées prévues dans le chapeau de brûleur (6) et la couronne de brûleur (5).
  5. Ensemble formant brûleur à gaz (3) selon au moins une des revendications 1 à 4, dans lequel le support de récipient de cuisson (4) comprend au moins quatre parties de bras (7) qui s'étendent dans une direction radiale à partir d'un centre (8) du support de récipient de cuisson (4), et dans lequel chaque partie de bras (7) présente à son extrémité distante du centre (8) du support de récipient de cuisson (4) une partie de pied (9) qui fait saillie à partir du côté inférieur de la partie de bras respective (7).
  6. Ensemble formant brûleur à gaz (3) selon au moins une des revendications 1 à 5, dans lequel chaque partie de pied (9) présente à son extrémité libre distante d'un partie de bras respective (7) une pièce d'extrémité conçue comme un butoir (10) et/ou un élément de positionnement.
  7. Ensemble formant brûleur à gaz (3) selon au moins une des revendications 1 à 6, dans lequel la couronne de brûleur (5), qui est de préférence de forme circulaire ou cylindrique, présente une entrée de gaz, de préférence un collerette d'entrée de gaz (12) qui fait saillie à partir du côté inférieur de la couronne de brûleur (5), ladite entrée de gaz étant de préférence centrée par rapport à la dimension latérale de la couronne de brûleur (5).
  8. Plaque de cuisson au gaz (2), comprenant au moins une section à laquelle un ensemble formant brûleur à gaz (3) selon au moins une des revendications 1 à 7 est couplé.
  9. Plaque de cuisson au gaz (2) selon la revendication 8, comprenant un certain nombre d'éléments de positionnement, de préférence des creux, aptes et conçus de manière à se coupler ou à recevoir au moins partiellement une partie de pied (9) et/ou une pièce d'extrémité (10) du support de récipient de cuisson (4) de l'ensemble formant brûleur à gaz (3), respectivement.
  10. Appareil à brûleur à gaz (1) comprenant au moins une plaque de cuisson au gaz (2) selon au moins une des revendications 8 et 9.
EP11187809.6A 2011-11-04 2011-11-04 Ensemble formant brûleur à gaz, plaque de cuisson au gaz et appareil à brûleur à gaz Not-in-force EP2589879B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ES11187809.6T ES2621792T3 (es) 2011-11-04 2011-11-04 Conjunto de quemador de gas, placa de cocina de gas y electrodoméstico con quemadores de gas
EP11187809.6A EP2589879B1 (fr) 2011-11-04 2011-11-04 Ensemble formant brûleur à gaz, plaque de cuisson au gaz et appareil à brûleur à gaz
RU2014113329/03A RU2603312C2 (ru) 2011-11-04 2012-10-08 Газовая горелка в сборе, газовая варочная панель и газовый прибор
US14/347,438 US20140251305A1 (en) 2011-11-04 2012-10-08 Gas burner assembly, gas cooking hob and gas burner appliance
AU2012331416A AU2012331416B2 (en) 2011-11-04 2012-10-08 Gas burner assembly, gas cooking hob and gas burner appliance
PCT/EP2012/069814 WO2013064328A1 (fr) 2011-11-04 2012-10-08 Ensemble brûleur à gaz, plan de cuisson à gaz et appareil de brûleur à gaz
CN201280053101.4A CN104024739A (zh) 2011-11-04 2012-10-08 燃气燃烧器组件、燃气烹饪灶具和燃气燃烧器器具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11187809.6A EP2589879B1 (fr) 2011-11-04 2011-11-04 Ensemble formant brûleur à gaz, plaque de cuisson au gaz et appareil à brûleur à gaz

Publications (2)

Publication Number Publication Date
EP2589879A1 EP2589879A1 (fr) 2013-05-08
EP2589879B1 true EP2589879B1 (fr) 2017-01-11

Family

ID=46980963

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11187809.6A Not-in-force EP2589879B1 (fr) 2011-11-04 2011-11-04 Ensemble formant brûleur à gaz, plaque de cuisson au gaz et appareil à brûleur à gaz

Country Status (7)

Country Link
US (1) US20140251305A1 (fr)
EP (1) EP2589879B1 (fr)
CN (1) CN104024739A (fr)
AU (1) AU2012331416B2 (fr)
ES (1) ES2621792T3 (fr)
RU (1) RU2603312C2 (fr)
WO (1) WO2013064328A1 (fr)

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EP3546833B1 (fr) 2018-03-26 2021-06-16 Electrolux Appliances Aktiebolag Ensemble de cuisson au gaz et plaque de cuisson le comprenant
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AU2012331416B2 (en) 2017-02-16
US20140251305A1 (en) 2014-09-11
WO2013064328A1 (fr) 2013-05-10
EP2589879A1 (fr) 2013-05-08
RU2014113329A (ru) 2015-10-10
CN104024739A (zh) 2014-09-03
RU2603312C2 (ru) 2016-11-27
AU2012331416A1 (en) 2014-03-20
ES2621792T3 (es) 2017-07-05

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