FR2677109A1 - Bowl (dish) for a gas burner produced by pressing (stamping) - Google Patents

Bowl (dish) for a gas burner produced by pressing (stamping) Download PDF

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Publication number
FR2677109A1
FR2677109A1 FR9205813A FR9205813A FR2677109A1 FR 2677109 A1 FR2677109 A1 FR 2677109A1 FR 9205813 A FR9205813 A FR 9205813A FR 9205813 A FR9205813 A FR 9205813A FR 2677109 A1 FR2677109 A1 FR 2677109A1
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FR
France
Prior art keywords
gas
stamping
burner assembly
chamber
crown
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.)
Granted
Application number
FR9205813A
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French (fr)
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FR2677109B3 (en
Inventor
Lama Tonino
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 Zanussi Elettrodomestici SpA
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Zanussi Elettrodomestici SpA
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Publication of FR2677109A1 publication Critical patent/FR2677109A1/en
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Publication of FR2677109B3 publication Critical patent/FR2677109B3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • F23D14/065—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 with injector axis inclined to the burner head axis
    • 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
    • F23D14/46—Details, e.g. noise reduction means
    • 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

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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)
  • Feeding And Controlling Fuel (AREA)

Abstract

The invention relates to a bowl for a gas burner produced by stamping, particularly for domestic gas cookers. The gas burner assembly is provided with a work surface (3) and with a ring (2) provided with an inner passage (9) of cylindrical shape. The said work surface (3) is pressed or formed with a suitable profile and its upper rim (7) constitutes the seat, preferably circular, in which the said ring (2) provided with a plurality of spaced-apart vertical radial fins (11) is inserted. The inward flow of gas is obtained via a chamber (12) formed by domed walls which are pressed or folded (13, 14) in a suitable manner, hermetically sealed against each other, in correspondence with their adjoining edge. The said chamber (12) may be produced according to the high-pressure blowing technique, between two previously-prepared metal sheets (method known under the name of roll-bond).

Description

L'invention concerne un type particulier de composant d'un ensemble brûleur à gaz, utilisé en particulier dans les appareils à gaz pour la cuisson. Dans les brûleurs qui doivent présenter l'encombrement minimal vertical, ainsi qu'une simplicité constructive maximale, il existe généralement un support à godet délimitant une chambre, ayant un fond sur lequel est monté un gicleur injecteur relié à un conduit d'alimentation en gaz, un élément, ladite couronne, surplombant et posée au bord dudit support et présentant une partie tubulaire qui s'étend dans ladite chambre, un anneau de répartition des flammes, ayant un orifice radial ou des rainures radiales pour la sortie des gaz provenant de ladite chambre, et posé sur ladite couronne et, enfin, un capuchon de sommet.The invention relates to a particular type of component of a gas burner assembly, used in particular in gas appliances for cooking. In burners which must have the minimum vertical dimensions, as well as maximum constructive simplicity, there is generally a cup support delimiting a chamber, having a bottom on which is mounted an injector nozzle connected to a gas supply pipe. , an element, said crown, overhanging and placed at the edge of said support and having a tubular part which extends in said chamber, a flame distribution ring, having a radial orifice or radial grooves for the outlet of the gases coming from said chamber, and placed on said crown and, finally, a crown cap.

Dans certaines demandes de brevets, le support à godet et l'élément ayant la partie tubulaire qui s'étend dans la chambre de mélange du gaz avec l'air, sont réalisés d'un seul tenant.In certain patent applications, the cup support and the element having the tubular part which extends in the chamber for mixing the gas with the air, are made in one piece.

Dans d'autres demandes de brevets, comme par exemple le brevet US 3.8Q9.Q55, on relie un tube d'admission du gaz, déjà mélangé avec l'air primaire, à un composant, analogue à un plateau embouti, contenant en son sein le brûleur et fermé par une sorte de grille d'éléments disposés en éventail, qui supportent le récipient à chauffer. In other patent applications, such as for example US patent 3.8Q9.Q55, a gas intake tube, already mixed with the primary air, is connected to a component, similar to a deep-drawn tray, containing its within the burner and closed by a sort of grid of elements arranged in a fan, which support the container to be heated.

D'autres types de brûleurs sont connus, dans lesquels l'air primaire servant au mélange avec le gaz est prélevé audessus du plan de cuisson, ce qui évite les inconvénients bien connus à l'homme de l'art.Other types of burners are known, in which the primary air used for mixing with the gas is taken above the hob, which avoids the drawbacks well known to those skilled in the art.

Des ensembles brûleurs de ce type, ainsi que d'autres types analogues, même s'ils sont utilisés universellement, présentent cependant certains inconvénients: - le premier inconvénient découle du fait de devoir prévoir des dimensions différentes de celles des nombreux composants associés aux brûleurs de dimensions différentes; - le second inconvénient dépend du fait que la complexité desdits ensembles gêne ou empêche leur montage à l'aide de techniques automatiques; - un dernier inconvénient découle du fait que, pour obtenir le fonctionnement avec tous les types de gaz, il est normalement nécessaire de démonter une bonne partie de l'ensemble brûleur, pour substituer le gicleur de sortie du gaz.Burner assemblies of this type, as well as other similar types, even if they are used universally, however have certain drawbacks: - the first drawback results from having to provide dimensions different from those of the many components associated with burners of different dimensions; - The second drawback depends on the fact that the complexity of said assemblies hinders or prevents their mounting using automatic techniques; - A final drawback stems from the fact that, in order to obtain operation with all types of gas, it is normally necessary to disassemble a good part of the burner assembly, to replace the gas outlet nozzle.

Outre ceci, il est nécessaire de considérer d'autres facteurs, tel le que la faible compacité de l'ensemble et l'exigence de nombreux travaux également de précision, avec production de copeaux ferreux volumineux, lors de la production. In addition to this, it is necessary to consider other factors, such as the low compactness of the assembly and the requirement of numerous equally precise works, with production of bulky ferrous shavings, during production.

Il serait donc souhaitable, et c'est te but principal de l'invention, de réaliser un type d'ensemble brûleur qui, outre le fait d'être construit à l'aide d'une technologie plus économique et simple, permette de limiter la hauteur de tout l'ensemble et qui aspire également l'air primaire au-dessus du plan de cuisson.It would therefore be desirable, and this is the main aim of the invention, to produce a type of burner assembly which, in addition to being constructed using more economical and simple technology, makes it possible to limit the height of the whole assembly and which also sucks the primary air above the hob.

Ce but est atteint grâce à un ensemble brûleur à gaz, en particulier pour des brûleurs à usage domestique, doté d'un plan de travail: d'une couronne pourvue d'un conduit intérieur de forme cylindrique pour le tube Venturi, d'un capuchon supérieur, d'un conduit d'alimentation en gaz, caractérisé par le fait que ledit plan de travail est embouti ou formé avec un profil approprié apte à t'insertion de ladite couronne.This object is achieved thanks to a gas burner assembly, in particular for burners for domestic use, equipped with a work plan: a crown provided with an inner duct of cylindrical shape for the Venturi tube, a upper cap, of a gas supply conduit, characterized in that said work surface is stamped or formed with an appropriate profile capable of inserting said crown.

Ladite couronne est pourvue d'une pluralité d'ailettes radiales verticales espacées entre elles, et ledit emboutissage présente une bordure supérieure de forme, de préférence circulaire, constituant un siège dans lequel s'insère ladite couronne.Said crown is provided with a plurality of vertical radial fins spaced apart, and said stamping has an upper edge of shape, preferably circular, constituting a seat in which said crown is inserted.

La paroi inférieure dudit emboutissage présente un orifice pour l'insertion du gicleur relié au conduit d'admission du gaz, à l'intérieur de l'ouverture réalisée par l'emboutissage qui constitue la chambre de mélange gaz-air primaire. The lower wall of said stamping has an orifice for the insertion of the nozzle connected to the gas inlet duct, inside the opening produced by the stamping which constitutes the primary gas-air mixing chamber.

Ledit conduit d'admission du gaz est réalisé au moyen d'une chambre fermée par des parois bombées, embouties ou pliées de manière appropriée, scellées entre elles, en correspondance avec leur bord de jonction.Said gas intake duct is produced by means of a chamber closed by convex, stamped or suitably folded walls, sealed together, in correspondence with their junction edge.

Ladite chambre de mélange est réalisée grâce à la technique de soufflage à haute pression, entre deux tôles préparées au préalable (procédé connue sous le nom de rollbond).Said mixing chamber is produced using the high-pressure blowing technique, between two sheets prepared beforehand (process known as rollbond).

L'invention sera mieux comprise à la lecture de la description suivante, faite à seul titre d'exemple non-limitatif et au regard des dessins annexés, sur lesquels: la figure 1 représente une vue en coupe transversale d'un ensemble brûleur, complètement monté, selon l'invention; la figure 2 représente le même ensemble que celui de la figure 1, dont les différents composants sont démontés; la figure 3 représente une variante de construction de l'ensemble de la figure i; la figure 4 représente l'ensemble de la figure précédente, dont les différents composants sont démontés.The invention will be better understood on reading the following description, made by way of non-limiting example and with regard to the appended drawings, in which: FIG. 1 represents a view in cross section of a burner assembly, completely mounted, according to the invention; FIG. 2 represents the same assembly as that of FIG. 1, the various components of which are dismantled; Figure 3 shows an alternative construction of the assembly of Figure i; Figure 4 shows the assembly of the previous figure, the various components of which are disassembled.

En faisant référence aux figures, il est représenté, schématiquement, la structure et le fonctionnement de l'invention. Referring to the figures, there is shown schematically the structure and operation of the invention.

Ceci consiste essentiellement en l'élimination de certains composants jusqu'ici séparés, c'est-à-dire le plan de travail, le corps du brûleur, la garniture entre lesdits éléments et des éléments de fixation appropriés (vis ou autres), pour utiliser un élément unique embouti de manière appropriée, constitué par le plan de travail 3 qui est embouti de manière profilée, depuis la bordure supérieure 7 de préférence circulaire, afin de former le corps du brûleur.This essentially consists in the elimination of certain components hitherto separated, that is to say the worktop, the body of the burner, the lining between said elements and suitable fixing elements (screws or others), for use a single element suitably stamped, constituted by the work surface 3 which is stamped in a profiled manner, from the upper edge 7, preferably circular, in order to form the body of the burner.

Ledit corps de brûleur 6 est doté, à part ladite bordure 7, également d'un orifice inférieur 8, sur lequel s'applique le gicleur 4, auquel il amène le conduit 5 d'admission du gaz, qui entre ainsi dans l'ouverture formée par ledit emboutissage.Said burner body 6 is provided, apart from said border 7, also with a lower orifice 8, on which the nozzle 4 is applied, to which it brings the gas inlet duct 5, which thus enters the opening formed by said stamping.

La bordure 7 dudit emboutissage est formée comme un siège, dans lequel s'insère, de préférence se pose, la couronne 2 pourvue des parois 9 pour le tube Venturi; de manière classique, ladite couronne, munie d'orifices 10 appropriés d'échappement du gaz, est fermée d'en haut, par un capuchon 1 normal.The edge 7 of said stamping is formed as a seat, into which is inserted, preferably arises, the crown 2 provided with walls 9 for the Venturi tube; conventionally, said crown, provided with suitable gas exhaust orifices 10, is closed from above, by a normal cap 1.

La couronne 2 est pourvue d'ailettes radiales et verticales 11, qui s'insèrent sur ladite bordure 7 pour compléter l'ensemble brûleur, et l'air primaire est prélevé au-dessus du plan de travail 3, à travers les espaces qui se créent automatiquement entre les ailettes Il adjacentes.The crown 2 is provided with radial and vertical fins 11, which are inserted on said edge 7 to complete the burner assembly, and the primary air is taken above the work surface 3, through the spaces which are automatically create between the adjacent fins II.

De cette manière, l'ouverture créée par l'emboutissage du plan de travail 3 devient la chambre de mélange gaz-air. In this way, the opening created by stamping the work surface 3 becomes the gas-air mixing chamber.

Il est à noter qu'un avantage particulier de cette invention est offert par le fait que le même plan de travail 3, doté du même emboutissage, et la bordure 7, peuvent être utilisés pour y insérer une pluralité de couronnes 2, ayant des diamètres différents et donc des performances différentes, en obtenant une amélioration sensible de la simplification et de la standardisation du procédé productif.It should be noted that a particular advantage of this invention is offered by the fact that the same worktop 3, provided with the same stamping, and the border 7, can be used to insert therein a plurality of crowns 2, having diameters different and therefore different performance, obtaining a significant improvement in the simplification and standardization of the production process.

En faisant référence aux figures 3 et 4, une amélioration utile de la présente invention consiste en ce que l'orifice de diffusion 8 du gaz, à l'intérieur de l'ouverture creusée par emboutissage, n'est pas obtenue avec le conduit 5 habituel d'adduction du gaz, mais avec une chambre 12 d'admission du gaz, ladite chambre étant réalisée en refermant, sur ellemême, deux parois en tôle 13, 14 profitées de manière appropriée et scellées sur les bords, par exemple par soudage.With reference to FIGS. 3 and 4, a useful improvement of the present invention consists in that the gas diffusion orifice 8, inside the opening hollowed out by stamping, is not obtained with the conduit 5 usual gas supply, but with a gas inlet chamber 12, said chamber being produced by closing, on itself, two sheet metal walls 13, 14 suitably used and sealed at the edges, for example by welding.

Une garniture 15 appropriée peut permettre l'étanchéité hermétique au gaz.A suitable gasket 15 can provide a hermetic gas seal.

Cette amélioration peut être particulièrement utile pour simplifier ensuite la construction de l'ensemble et pour permettre de diminuer sa hauteur, en évitant l'utilisation de tubes toujours coûteux et encombrants.This improvement can be particularly useful for then simplifying the construction of the assembly and for making it possible to reduce its height, by avoiding the use of tubes which are always expensive and bulky.

Une variante utile de ladite construction est offerte par la possibilité de réaliser ladite chambre 12 selon la technique de soufflage à haute pression, entre deux tôles traitées au préalable, de manière à produire le renflement souhaité en dimensions, forme et résistance à la pression.A useful variant of said construction is offered by the possibility of producing said chamber 12 according to the high-pressure blowing technique, between two sheets previously treated, so as to produce the desired bulge in size, shape and resistance to pressure.

Cette technique va permettre de simplifier et de standardiser ultérieurement la construction de l'élément d'adduction du gaz.This technique will simplify and later standardize the construction of the gas supply element.

Un exemple de cette technique de renflement est donné par la technique bien connue que l'on appelle "roll-bond", appliquée dans les réfrégirateurs. An example of this bulge technique is given by the well-known technique which is called "roll-bond", applied in refrigerators.

Claims (5)

REVENDICATIONS 1. Ensemble brûleur à gaz, en particulier pour des brûleurs à usage domestique, doté d'un plan de travail (3), d'une couronne (2) pourvue d'un conduit intérieur (9) de forme cylindrique pour le tube Venturi, d'un capuchon supérieur (1), d'un conduit (5) d'alimentation en gaz, caractérisé par le fait que ledit plan de travail (3) est embouti ou formé avec un profil approprié apte à l'insertion de ladite couronne (2).1. Gas burner assembly, in particular for burners for domestic use, provided with a work surface (3), with a crown (2) provided with an inner duct (9) of cylindrical shape for the Venturi tube , an upper cap (1), a gas supply duct (5), characterized in that said work surface (3) is stamped or formed with an appropriate profile suitable for the insertion of said crown (2). 2. Ensemble brûleur selon la revendication 1, caractérisé par le fait que ladite couronne (2) est pourvue d'une pluralité d'ailettes radiales verticales (11) espacées entre elles, et que ledit emboutissage présente une bordure supérieure (7) de forme de préférence circulaire, constituant un siège dans lequel s'insère ladite couronne (2).2. Burner assembly according to claim 1, characterized in that said ring (2) is provided with a plurality of vertical radial fins (11) spaced apart, and that said stamping has an upper edge (7) of shape preferably circular, constituting a seat in which said crown (2) is inserted. 3. Ensemble brûleur selon la revendication 2, caractérisé par le fait que la paroi inférieure dudit emboutissage présente un orifice (8) pour l'insertion du gicleur (4) relié au conduit (5) d'admission du gaz, à l'intérieur de l'ouverture réalisée par l'emboutissage qui constitue la chambre de mélange gaz-air primaire.3. Burner assembly according to claim 2, characterized in that the lower wall of said stamping has an orifice (8) for the insertion of the nozzle (4) connected to the conduit (5) for gas admission, inside of the opening made by stamping which constitutes the primary gas-air mixing chamber. 4. Ensemble brûleur selon la revendication I, caractérisé par le fait que ledit conduit (5) d'admission du gaz est réalisé au moyen d'une chambre (12) délimitée par des parois (14) bombées, embouties ou pliées de manière appropriée, scellées entre elles, en correspondance avec leur bord de jonction. 4. Burner assembly according to claim I, characterized in that said conduit (5) for admitting the gas is produced by means of a chamber (12) delimited by walls (14) curved, stamped or suitably folded , sealed together, in correspondence with their joining edge. 5. Ensemble brûleur selon la revendication 4, caractérisé par le fait que ladite chambre (12) est réalisée grâce à la technique de soufflage à haute pression, entre deux tôles préparées au préalable (procédé connue sous le nom de roll-bond). 5. Burner assembly according to claim 4, characterized in that said chamber (12) is produced by the high-pressure blowing technique, between two sheets previously prepared (process known as roll-bond).
FR9205813A 1991-05-31 1992-05-13 BOWL FOR GAS BURNER PRODUCED BY STAMPING. Expired - Lifetime FR2677109B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT91PN000018U IT225649Y1 (en) 1991-05-31 1991-05-31 BURNER TRAY CONTAINED FOR DRAWING

Publications (2)

Publication Number Publication Date
FR2677109A1 true FR2677109A1 (en) 1992-05-13
FR2677109B3 FR2677109B3 (en) 1993-07-30

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FR9205813A Expired - Lifetime FR2677109B3 (en) 1991-05-31 1992-05-13 BOWL FOR GAS BURNER PRODUCED BY STAMPING.

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DE (1) DE9206105U1 (en)
ES (1) ES1022098Y (en)
FR (1) FR2677109B3 (en)
GB (1) GB2256268A (en)
IT (1) IT225649Y1 (en)

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FR2731773A1 (en) * 1995-03-16 1996-09-20 Sourdillon Sa Gas burner for domestic cooker
EP1251310A1 (en) * 2001-04-18 2002-10-23 Sourdillon Gas cooking appliance
US6604519B1 (en) * 1998-09-08 2003-08-12 Krampouz Gas apparatus for heating and/or cooking food

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CN103162292B (en) * 2013-02-26 2015-06-03 宁波方太厨具有限公司 Burner outer flame cover
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2731773A1 (en) * 1995-03-16 1996-09-20 Sourdillon Sa Gas burner for domestic cooker
US6604519B1 (en) * 1998-09-08 2003-08-12 Krampouz Gas apparatus for heating and/or cooking food
EP1251310A1 (en) * 2001-04-18 2002-10-23 Sourdillon Gas cooking appliance
FR2823835A1 (en) * 2001-04-18 2002-10-25 Sourdillon Sa GAS COOKING APPARATUS
US6615822B2 (en) 2001-04-18 2003-09-09 Sourdilon Gas cooking appliance

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Publication number Publication date
IT225649Y1 (en) 1997-01-13
ITPN910018V0 (en) 1991-05-31
FR2677109B3 (en) 1993-07-30
ES1022098Y (en) 1993-08-01
GB2256268A (en) 1992-12-02
ITPN910018U1 (en) 1992-12-01
DE9206105U1 (en) 1992-07-16
ES1022098U (en) 1993-03-16
GB9210269D0 (en) 1992-07-01

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