EP1251310B1 - Gas cooking appliance - Google Patents

Gas cooking appliance Download PDF

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Publication number
EP1251310B1
EP1251310B1 EP02290957A EP02290957A EP1251310B1 EP 1251310 B1 EP1251310 B1 EP 1251310B1 EP 02290957 A EP02290957 A EP 02290957A EP 02290957 A EP02290957 A EP 02290957A EP 1251310 B1 EP1251310 B1 EP 1251310B1
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EP
European Patent Office
Prior art keywords
injector
tube
support plate
annular flange
aperture
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.)
Expired - Lifetime
Application number
EP02290957A
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German (de)
French (fr)
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EP1251310A1 (en
Inventor
André Moreau
Christophe Trochou
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.)
Burner Systems International BSI SA
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Burner Systems International BSI SA
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Publication date
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Publication of EP1251310A1 publication Critical patent/EP1251310A1/en
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Publication of EP1251310B1 publication Critical patent/EP1251310B1/en
Anticipated expiration legal-status Critical
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    • 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
    • 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
    • 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
    • F23D14/62—Mixing devices; Mixing tubes
    • F23D14/64—Mixing devices; Mixing tubes with injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2213/00—Burner manufacture specifications

Definitions

  • the present invention relates to improvements brought to gas cooking appliances, domestic or professional, as set forth in the pambule of claim 1.
  • Such an apparatus is known from US Pat. No. 5,735,685.
  • each burner body is powered gas through a tube from a control valve; the burner body is itself arranged with a pot-shaped portion adapted to receive the removable injector.
  • such an arrangement requires at least one operation of connecting the tube to the body of burner and a mounting operation of the injector on the burner body. Each of these operations is followed of a sealing control operation.
  • the main purpose of the invention is to propose an advanced structure that simplifies assembly methods, speed up the assembly time and ultimately reduce the cost of manufacturing.
  • a gas cooking appliance such as mentioned in the preamble is characterized, being arranged according to the invention, by the provisions set forth in the characterizing part of claim 1.
  • the injector and the end or the vicinity of the end of the tube are threaded and are secured by screwing one into the other.
  • the provisions of the invention it does not remains that the only direct assembly operation of the injector to the feed tube, by screwing, the structures being such that this simple assembly puts into support of the co-operating surfaces leading to the correct positioning (axial and radial) of the injector relative to the support plate and seals required.
  • the specific structures set to this end and some embodiments of which are indicated below are obtained by machining simple, including stampings or stampings, folds, ..., which are inexpensive and require only one less complex equipment.
  • the collar can be constituted by an annular fold projecting radially from the wall of the tube.
  • the provisions according to the invention seem having to find a particular application interesting, although not exclusive, in the event that the support plate is none other than the top plate of the cooking apparatus, ie when the injector is secured directly to the top plate, arrangement which leads to the elimination of the burner pot and possible mounting members of the injector in this pot.
  • the provisions of the invention leads to an overall structure which brings together substantial simplifications of structure and mounting, and which consequently is significantly economic than previous structures.
  • the invention relates to a cooking appliance gas comprising at least one gas burner equipped with a gas injector 1, a gas supply tube 2 in from a control valve and associated functionally to said injector 1, and a support 3 to which is fixed said injector 1.
  • the support 3 is a sheet metal plate which presents a through-light 4.
  • Said support plate 4 can, in one embodiment that is preferred although non-exclusive, be constituted by the top plate of the cooking appliance which, in the context of the invention is then used as direct support for the injector under the conditions set out below: such arrangement, which eliminates the traditional pot of the burner in which the injector was until now fixed, leads to remarkable simplification.
  • the injector 1 is secured to the tube 2 at the end or near the end of it.
  • the injector 1 and the feed tube 2, at its end or at vicinity of its end, are threaded and screwed one in the other.
  • Injector 1 and / or feed tube 2 extend through the lumen 4, and the injector 1 and the tube 2 are located essentially on both sides of the support plate 3.
  • Positioning and sealing means are provided on the injector 1 and / or the tube 2 and the edge 4. These means are arranged to that, during the screw connection of the injector 1 and of the tube 2 on either side of the support plate 3, a seal is made between the tube 2 and the injector 1, on the one hand, and between the top and the below the support plate 3 around the edge of the light 4, on the other hand. These same means are simultaneously arranged to provide mechanical restraint of the injector 1 secured to the feed tube 2 in position centered in the lumen 4 and with the orifice 5 of output of the injector 1 located in an axial position predetermined above the support plate 3.
  • a simple realization of the means of positioning and sealing is to do them include an annular flange 6 of radial extent integral with the feed tube 2.
  • the collar 6 is located under the support plate 3 and is clamped in support sealed against the peripheral edge of the light 4 and / or a scope of the injector 1.
  • the ring flange 6 is not reported on the tube 2, but is formed by an annular fold of the wall of the tube 2 which is pinched axially so as to form a protrusion annular or collar which is thus integral with the tube.
  • the injector 1 has a recess axial inside 7 open down and ending superiorly through the outlet orifice or nozzle 5 of the injector.
  • the recess 7 is tapped.
  • the light 4 has its edge device stamped and deformed into a well 10 turned towards the top.
  • the injector 1 has its lower part 11 arranged with a reduced outside diameter which defines a radial annular shoulder 12.
  • the injector 1 is force-fitted, by its part lower 11, in the well 10 until the shoulder 12 bears against the free edge of the well 10.
  • the elastic grip of the lower part 11 of the injector in the well 10 provides a connection seal between the injector 1 and the support plate 3, and so the seal between the top and the bottom of the plate 3 along the peripheral edge of the light 4.
  • the injector is positioned in a predetermined manner transversely and axially with respect to the plate 3.
  • FIG. well 10 is connected to the support plate 3 by a connecting portion 18 of frustoconical shape which releases, on the underside of the plate 3, a free space receive the flange 6 when the injector 1 is screwed on the end of the tube 2.
  • the injector 1 and the feed tube 2 are almost similar to what they were in Figure 1, except that the lower part 11 of reduced diameter of the injector has a frustoconical outer shape 13 narrowing towards the bottom.
  • the peripheral edge of the light 4 is curved on himself in 14, here below.
  • the conical wall 13 of the lower part of the injector 1 squeezes the folded edge 14 of the light 4 of the support plate 3 against the flange 6 of the tube.
  • Figure 3 illustrates a very simple in which the injector 1 and the feed tube 2 are identical to what they were in Figure 1.
  • the light 4 of the support plate 3 is a cut on board straight in the plate 3.
  • the edge of the light 4 is sandwiched between the edge front 9 of the injector and the collar 6 of the tube supply 2.
  • the right edge of the light 4 ensures the double sealing sought, on the one hand by its axial cooperation with the front end of the injector 1 and on the other hand by its axial support on the flange 6 of the feeding tube.
  • the flange 6 is here formed at the end of the tube 2 and, when screwing the injector 1 into the tube 2, the edge of the light 4 of the support plate 3 is enclosed between the shoulder 12 presented by the injector 1 and the flange 6 of the feed tube.
  • the double seal sought is provided by the axial supports of the flange 6 on the plate 3, on the one hand, and the shoulder 12 on the plate 3, on the other go.
  • FIG. 5 The embodiment of Figure 5 is based on an arrangement similar to that of FIG. that the shoulder 12 of the injector 1 is replaced by a conical bearing 13 as in the embodiment of the FIG. 2 and that the flange 6 is set back from the end of the feed tube 2, which end is folded peripherally to form a clamp ring 15 enclosing the right edge of the light 4 of the support plate 3.
  • the seals sought are realized, of a on the other hand, by the approximately radial support of the conical 13 on the clamp 15 and, on the other hand, by the clasping of the right edge of the light 4 between the folded end 15 of the tube 2 and the collar 6 Underlying.
  • FIG. 6 is analogous to that of Figure 5, except that the end folded annular clamp 15 of the tube 2 is based on the underside of the support plate 3 by its flange 6 and, on the top of the plate, leans on a clip 16 elastically deformable fork-shaped which ensures the braking of the injector 1 screwed into the tube 2.
  • FIG. general provisions of Figure 1, except that the lower part 11 of the injector 1 is provided with a conical bearing 13 and that the edge of the light 4 of the support plate 3 is not shaped in wells as in Figure 1, but is folded to form a ledge 17 approximately parallel to the conical bearing 13.
  • Double sealing is provided, on the one hand, by the cooperation of the conical bearing 13 of the injector 1 and edge 17 of the edge of the light 4 and, on the other hand, by the cooperation of the conical connecting portion 18 surrounding the light 4 and the flange 6.
  • the injector 1 is arranged in correct predetermined centric and axial positions relative to the support plate and light.
  • the flange 6 is located below (in withdrawal) from the end of the tube 2 which is secured to the injector and the peripheral edge of the light 4 is sealed between said annular flange 6 and a range of injector 1 formed by the tip 9 or an annular shoulder 12 of the injector 1.
  • the annular flange 6 is located below (recessed) of the end of the tube 2 which is secured to the injector and the peripheral edge of the light 4 is folded and tightly sealed between said flange 6 and a conical bearing surface 13 provided around the injector 1.
  • annular flange 6 is located in the vicinity immediately from the end of the feed tube 2 and above of the portion of the tube 2 secured to the injector 1, and the end of the tube 2 surmounting the collar 6 is folded in 15 to grip (directly, in Figure 5; through an elastic clip, in Figure 6) the peripheral edge of light 4 in contact with a staff conical 13 of the injector 1.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Glass Compositions (AREA)
  • Baking, Grill, Roasting (AREA)
  • Incineration Of Waste (AREA)
  • Treating Waste Gases (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

The gas cooker, having at least one burner equipped with a gas injector (1) screwed to the end of a gas feed pipe (2) fitted through a hole (4) in a top panel (3), has an annular collar (6) on the feed pipe (2). The collar is located beneath the top panel and is sealed to the edge of the hole (4) and/or the injector surface (12) so that when the injector is fitted to the feed pipe a seal is formed between the injector and tube on the one hand and between the collar and top panel on the other, centering and fixing the injector relative to the hole.

Description

La présente invention concerne des perfectionnements apportés aux appareils de cuisson à gaz, domestiques ou professionnels, tels qu'exposés dans le péambule de la revendication 1. Un tel appareil est connu du brevet US 5 735 685.The present invention relates to improvements brought to gas cooking appliances, domestic or professional, as set forth in the pambule of claim 1. Such an apparatus is known from US Pat. No. 5,735,685.

De façon traditionnelle, ces appareils sont agencés de façon que chaque corps de brûleur soit alimenté en gaz par l'intermédiaire d'un tube en provenance d'un robinet de réglage ; le corps de brûleur est lui-même agencé avec une partie en forme de pot propre à recevoir l'injecteur amovible.In a traditional way, these devices are arranged so that each burner body is powered gas through a tube from a control valve; the burner body is itself arranged with a pot-shaped portion adapted to receive the removable injector.

Pour sa fabrication, un tel agencement nécessite au moins une opération de raccordement du tube au corps de brûleur et une opération de montage de l'injecteur sur le corps de brûleur. Chacune de ces opérations est suivie d'une opération de contrôle de l'étanchéité.For its manufacture, such an arrangement requires at least one operation of connecting the tube to the body of burner and a mounting operation of the injector on the burner body. Each of these operations is followed of a sealing control operation.

Une recherche de moindre coût de fabrication des appareils de cuisson à gaz conduit à remettre en cause le processus de montage traditionnel précité et à rechercher un processus plus simple, plus rapide et donc moins coûteux.A lower cost research of manufacture of gas cooking appliances leads to questioning the traditional assembly process mentioned above and to look for a simpler, faster process and therefore less expensive.

L'invention a essentiellement pour but de proposer une structure perfectionnée qui permette de simplifier les modalités d'assemblage, d'accélérer le temps de montage et finalement de réduire le coût de fabrication.The main purpose of the invention is to propose an advanced structure that simplifies assembly methods, speed up the assembly time and ultimately reduce the cost of manufacturing.

A ces fins, un appareil de cuisson à gaz tel que mentionné au préambule se caractérise, étant agencé conformément à l'invention, par les dispositions énoncées dans la partie caractérisante de la revendication 1. Dans un mode de réalisation préféré, l'injecteur et l'extrémité ou le voisinage de l'extrémité du tube d'alimentation sont filetés et sont solidarisés par vissage l'un dans l'autre.For these purposes, a gas cooking appliance such as mentioned in the preamble is characterized, being arranged according to the invention, by the provisions set forth in the characterizing part of claim 1. In a preferred embodiment, the injector and the end or the vicinity of the end of the tube are threaded and are secured by screwing one into the other.

Grâce aux dispositions de l'invention, il ne subsiste que la seule opération d'assemblage direct de l'injecteur au tube d'alimentation, par vissage, les structures étant telles que ce simple assemblage met en appui des surfaces coopérantes conduisant au positionnement (axial et radial) correct de l'injecteur par rapport à la plaque de support et aux étanchéités requises. Au surplus, les structures spécifiques mises en oeuvre à cet effet et dont certains modes de réalisation sont indiqués ci-après sont obtenues par des usinages simples, notamment des matriçages ou emboutissages, pliages, ..., qui sont peu onéreux et ne nécessitent qu'un équipement peu complexe. Thanks to the provisions of the invention, it does not remains that the only direct assembly operation of the injector to the feed tube, by screwing, the structures being such that this simple assembly puts into support of the co-operating surfaces leading to the correct positioning (axial and radial) of the injector relative to the support plate and seals required. In addition, the specific structures set to this end and some embodiments of which are indicated below are obtained by machining simple, including stampings or stampings, folds, ..., which are inexpensive and require only one less complex equipment.

Un tel agencement peut conduire à divers exemples de réalisation :

  • dans un exemple de réalisation, la collerette annulaire est située en dessous de l'extrémité du tube solidarisée à l'injecteur et le bord périphérique de la lumière est serré de façon étanche entre ladite collerette annulaire du tube et une portée de l'injecteur formée par l'extrémité inférieure de l'injecteur ou un épaulement annulaire entourant l'injecteur ;
  • dans un autre mode de réalisation, la collerette annulaire est située en dessous de l'extrémité du tube solidarisée à l'injecteur et le bord périphérique de la lumière est rabattu et serré de façon étanche entre ladite collerette annulaire du tube et une portée conique prévue autour de l'injecteur ;
  • dans encore un autre exemple de réalisation, la collerette annulaire est située au voisinage immédiat de l'extrémité du tube et au-dessus de la partie du tube solidarisée à l'injecteur, et l'extrémité du tube surmontant la collerette annulaire est rabattue pour enserrer le bord périphérique de la lumière au contact d'une portée conique de l'injecteur ; dans une variante de réalisation, on peut prévoir qu'un clip élastique soit inséré entre l'extrémité rabattue du tube et la plaque de support.
    • Such an arrangement can lead to various embodiments:
  • in an exemplary embodiment, the annular flange is located below the end of the tube secured to the injector and the peripheral edge of the lumen is tightly sealed between said annular collar of the tube and a bearing surface of the injector formed by the lower end of the injector or an annular shoulder surrounding the injector;
  • in another embodiment, the annular flange is located below the end of the tube secured to the injector and the peripheral edge of the lumen is folded and sealingly tightened between said annular collar of the tube and a conical bearing provided around the injector;
  • in yet another embodiment, the annular flange is located in the immediate vicinity of the end of the tube and above the portion of the tube secured to the injector, and the end of the tube surmounting the annular flange is folded for enclose the peripheral edge of the light in contact with a conical bearing surface of the injector; in an alternative embodiment, it can be provided that an elastic clip is inserted between the folded end of the tube and the support plate.

    • De façon simple, la collerette peut être constituée par un pli annulaire en saillie radiale de la paroi du tube.In a simple way, the collar can be constituted by an annular fold projecting radially from the wall of the tube.

    Les dispositions conformes à l'invention semblent devoir trouver une application particulièrement intéressante, bien que non exclusive, dans le cas où la plaque de support n'est autre que la plaque de dessus de l'appareil de cuisson, autrement dit lorsque l'injecteur est solidarisé directement sur la plaque de dessus, agencement qui entraíne l'élimination du pot du brûleur et des éventuels organes de montage de l'injecteur dans ce pot. Dans un tel domaine d'application des dispositions de l'invention, on aboutit à une structure d'ensemble qui regroupe des simplifications substantielles de structure et de montage, et qui par conséquent est sensiblement plus économique que les structures antérieures.The provisions according to the invention seem having to find a particular application interesting, although not exclusive, in the event that the support plate is none other than the top plate of the cooking apparatus, ie when the injector is secured directly to the top plate, arrangement which leads to the elimination of the burner pot and possible mounting members of the injector in this pot. In such a field of application the provisions of the invention leads to an overall structure which brings together substantial simplifications of structure and mounting, and which consequently is significantly economic than previous structures.

    L'invention sera mieux comprise à la lecture de la description détaillée qui suit de certains modes de réalisation préférés donnés à titre d'exemples non limitatifs. Dans cette description, on se réfère aux dessins annexés sur lesquels les figures 1 à 7 sont des vues en coupe de respectivement sept modes de réalisation mettant en oeuvre les dispositions de l'invention.The invention will be better understood on reading the following detailed description of certain modes of preferred embodiments given as non-exemplary limiting. In this description, we refer to drawings in which Figures 1 to 7 are diagrams sectional views of respectively seven embodiments implementing the provisions of the invention.

    En se référant tout d'abord par exemple à la figure 1, l'invention concerne un appareil de cuisson à gaz comportant au moins un brûleur à gaz équipé d'un injecteur de gaz 1, un tube d'alimentation en gaz 2 en provenance d'un robinet de réglage et associé fonctionnellement audit injecteur 1, et un support 3 auquel est fixé ledit injecteur 1.By first referring for example to the FIG. 1, the invention relates to a cooking appliance gas comprising at least one gas burner equipped with a gas injector 1, a gas supply tube 2 in from a control valve and associated functionally to said injector 1, and a support 3 to which is fixed said injector 1.

    Le support 3 est une plaque en tôle qui présente une lumière traversante 4. Ladite plaque de support 4 peut, dans un mode de réalisation qui est préféré bien que non exclusif, être constituée par la plaque de dessus de l'appareil de cuisson qui, dans le contexte de l'invention, est alors utilisée comme support direct de l'injecteur dans les conditions exposées ci-après : un tel agencement, qui élimine le pot traditionnel du brûleur dans lequel l'injecteur était jusqu'à présent fixé, conduit à une simplification remarquable. The support 3 is a sheet metal plate which presents a through-light 4. Said support plate 4 can, in one embodiment that is preferred although non-exclusive, be constituted by the top plate of the cooking appliance which, in the context of the invention is then used as direct support for the injector under the conditions set out below: such arrangement, which eliminates the traditional pot of the burner in which the injector was until now fixed, leads to remarkable simplification.

    L'injecteur 1 est solidarisé au tube d'alimentation 2 à l'extrémité ou au voisinage de l'extrémité de celui-ci. De façon préférée, l'injecteur 1 et le tube d'alimentation 2, à son extrémité ou au voisinage de son extrémité, sont filetés et vissés l'un dans l'autre.The injector 1 is secured to the tube 2 at the end or near the end of it. In a preferred manner, the injector 1 and the feed tube 2, at its end or at vicinity of its end, are threaded and screwed one in the other.

    L'injecteur 1 et/ou le tube d'alimentation 2 s'étendent à travers la lumière 4, et l'injecteur 1 et le tube 2 sont situés essentiellement de part et d'autre de la plaque de support 3.Injector 1 and / or feed tube 2 extend through the lumen 4, and the injector 1 and the tube 2 are located essentially on both sides of the support plate 3.

    Des moyens de positionnement et d'étanchéité sont prévus sur l'injecteur 1 et/ou le tube 2 et le bord périphérique de la lumière 4. Ces moyens sont agencés pour que, lors de l'assemblage par vissage de l'injecteur 1 et du tube 2 de part et d'autre de la plaque de support 3, une étanchéité soit réalisée entre le tube 2 et l'injecteur 1, d'une part, et entre le dessus et le dessous de la plaque de support 3 autour du bord de la lumière 4, d'autre part. Ces mêmes moyens sont simultanément agencés pour procurer une retenue mécanique de l'injecteur 1 solidarisé au tube d'alimentation 2 en position centrée dans la lumière 4 et avec l'orifice 5 de sortie de l'injecteur 1 situé dans une position axiale prédéterminée au-dessus de la plaque de support 3.Positioning and sealing means are provided on the injector 1 and / or the tube 2 and the edge 4. These means are arranged to that, during the screw connection of the injector 1 and of the tube 2 on either side of the support plate 3, a seal is made between the tube 2 and the injector 1, on the one hand, and between the top and the below the support plate 3 around the edge of the light 4, on the other hand. These same means are simultaneously arranged to provide mechanical restraint of the injector 1 secured to the feed tube 2 in position centered in the lumen 4 and with the orifice 5 of output of the injector 1 located in an axial position predetermined above the support plate 3.

    Une réalisation simple des moyens de positionnement et d'étanchéité consiste à leur faire comprendre une collerette annulaire 6 d'étendue radiale solidaire du tube d'alimentation 2. La collerette 6 est située sous la plaque de support 3 et est serrée en appui étanche contre le bord périphérique de la lumière 4 et/ou une portée de l'injecteur 1. Dans une structure simple, la collerette annulaire 6 n'est pas rapportée sur le tube 2, mais est formée par un pli annulaire de la paroi du tube 2 qui est pincé axialement de manière à former une saillie annulaire ou collerette qui est ainsi intégrale avec le tube.A simple realization of the means of positioning and sealing is to do them include an annular flange 6 of radial extent integral with the feed tube 2. The collar 6 is located under the support plate 3 and is clamped in support sealed against the peripheral edge of the light 4 and / or a scope of the injector 1. In a simple structure, the ring flange 6 is not reported on the tube 2, but is formed by an annular fold of the wall of the tube 2 which is pinched axially so as to form a protrusion annular or collar which is thus integral with the tube.

    Les dispositions qui précèdent peuvent conduire à divers modes de réalisation spécifiques.The foregoing provisions may lead to various specific embodiments.

    A la figure 1, l'injecteur 1 possède un évidement axial intérieur 7 ouvert vers le bas et se terminant supérieurement par l'orifice de sortie ou gicleur 5 de l'injecteur. L'évidement 7 est taraudé.In FIG. 1, the injector 1 has a recess axial inside 7 open down and ending superiorly through the outlet orifice or nozzle 5 of the injector. The recess 7 is tapped.

    Pour ce qui est du tube d'alimentation 2, sa collerette 6 est située un peu en retrait sous son extrémité 8, et la paroi externe voisine de son extrémité 8 est filetée, avec un diamètre correspondant à celui de l'évidement 7 de l'injecteur. L'injecteur 1 est vissé sur l'extrémité 8 du tube 2 de telle manière que le bord frontal 9 de l'injecteur 1 soit serré en appui étanche contre la collerette 6 : cet appui étanche assure l'étanchéité de la liaison injecteur/tube d'alimentation.With respect to the feed tube 2, its collar 6 is located a little behind in his end 8, and the outer wall adjacent to its end 8 is threaded, with a diameter corresponding to that of the recess 7 of the injector. The injector 1 is screwed on the end 8 of the tube 2 so that the edge front 9 of the injector 1 is tight in waterproof support against the flange 6: this waterproof support ensures the sealing of the injector / feed tube connection.

    Pour assurer le positionnement de l'injecteur 1 sur la plaque de support 3, la lumière 4 a son bord périphérique matricé et déformé en un puits 10 tourné vers le haut. De son côté, l'injecteur 1 a sa partie inférieure 11 agencée avec un diamètre extérieur réduit qui définit un épaulement annulaire radial 12.To ensure the positioning of the injector 1 on the support plate 3, the light 4 has its edge device stamped and deformed into a well 10 turned towards the top. For its part, the injector 1 has its lower part 11 arranged with a reduced outside diameter which defines a radial annular shoulder 12.

    L'injecteur 1 est emmanché à force, par sa partie inférieure 11, dans le puits 10 jusqu'à ce que l'épaulement 12 vienne en appui contre le bord libre du puits 10. L'enserrement élastique de la partie inférieure 11 de l'injecteur dans le puits 10 assure une liaison étanche entre l'injecteur 1 et la plaque de support 3, et donc l'étanchéité entre le dessus et le dessous de la plaque 3 le long du bord périphérique de la lumière 4. The injector 1 is force-fitted, by its part lower 11, in the well 10 until the shoulder 12 bears against the free edge of the well 10. The elastic grip of the lower part 11 of the injector in the well 10 provides a connection seal between the injector 1 and the support plate 3, and so the seal between the top and the bottom of the plate 3 along the peripheral edge of the light 4.

    Grâce à cet agencement, en outre, l'injecteur est positionné de façon prédéterminée transversalement et axialement par rapport à la plaque 3.Thanks to this arrangement, in addition, the injector is positioned in a predetermined manner transversely and axially with respect to the plate 3.

    Dans le mode de réalisation de la figure 1, le puits 10 se raccorde à la plaque de support 3 par une portion de liaison 18 de forme tronconique qui dégage, sur le dessous de la plaque 3, un espace libre propre à recevoir la collerette 6 lorsque l'injecteur 1 est vissé sur l'extrémité du tube 2.In the embodiment of FIG. well 10 is connected to the support plate 3 by a connecting portion 18 of frustoconical shape which releases, on the underside of the plate 3, a free space receive the flange 6 when the injector 1 is screwed on the end of the tube 2.

    Dans le mode de réalisation de la figure 2, l'injecteur 1 et le tube d'alimentation 2 sont presque analogues à ce qu'ils étaient à la figure 1, à ceci près que la partie inférieure 11 de diamètre réduit de l'injecteur présente une forme extérieure tronconique 13 se rétrécissant en direction du bas.In the embodiment of Figure 2, the injector 1 and the feed tube 2 are almost similar to what they were in Figure 1, except that the lower part 11 of reduced diameter of the injector has a frustoconical outer shape 13 narrowing towards the bottom.

    Le bord périphérique de la lumière 4 est recourbé sur lui-même en 14, ici par-dessous.The peripheral edge of the light 4 is curved on himself in 14, here below.

    Quand l'injecteur 1 est vissé sur l'extrémité 8 du tube 2, la paroi conique 13 de la partie inférieure de l'injecteur 1 serre le bord replié 14 de la lumière 4 de la plaque de support 3 contre la collerette 6 du tube. C'est ainsi ce bord replié 14 de l'ouverture 4 qui assure la double étanchéité recherchée, d'une part par sa coopération approximativement radiale avec la portée conique 13 de l'injecteur et d'autre part par son appui axial sur la collerette 6 du tube d'alimentation.When the injector 1 is screwed on the end 8 of the tube 2, the conical wall 13 of the lower part of the injector 1 squeezes the folded edge 14 of the light 4 of the support plate 3 against the flange 6 of the tube. This is the folded edge 14 of the opening 4 which ensures the double sealing sought, on the one hand by its approximately radial cooperation with the scope conical 13 of the injector and secondly by its support axial on the flange 6 of the feed tube.

    La figure 3 illustre un mode de réalisation très simple dans lequel l'injecteur 1 et le tube d'alimentation 2 sont identiques à ce qu'ils étaient à la figure 1. La lumière 4 de la plaque de support 3 est une découpe à bord droit pratiquée dans la plaque 3. Figure 3 illustrates a very simple in which the injector 1 and the feed tube 2 are identical to what they were in Figure 1. The light 4 of the support plate 3 is a cut on board straight in the plate 3.

    Le bord de la lumière 4 est enserré entre le bord frontal 9 de l'injecteur et la collerette 6 du tube d'alimentation 2.The edge of the light 4 is sandwiched between the edge front 9 of the injector and the collar 6 of the tube supply 2.

    Là encore, le bord droit de la lumière 4 assure la double étanchéité recherchée, d'une part par sa coopération axiale avec le bout frontal de l'injecteur 1 et d'autre part par son appui axial sur la collerette 6 du tube d'alimentation.Again, the right edge of the light 4 ensures the double sealing sought, on the one hand by its axial cooperation with the front end of the injector 1 and on the other hand by its axial support on the flange 6 of the feeding tube.

    Dans le mode de réalisation illustré à la figure 4, c'est la partie inférieure 11 de diamètre réduit de l'injecteur 1 qui est filetée extérieurement, tandis que le tube d'alimentation 2 est taraudé en dessous de son extrémité.In the embodiment illustrated in FIG. 4, it is the lower part 11 of reduced diameter of the injector 1 which is threaded externally, while the feed tube 2 is tapped below its end.

    La collerette 6 est, ici, formée à l'extrémité du tube 2 et, lors du vissage de l'injecteur 1 dans le tube 2, le bord de la lumière 4 de la plaque de support 3 est enserré entre l'épaulement 12 présenté par l'injecteur 1 et la collerette 6 du tube d'alimentation.The flange 6 is here formed at the end of the tube 2 and, when screwing the injector 1 into the tube 2, the edge of the light 4 of the support plate 3 is enclosed between the shoulder 12 presented by the injector 1 and the flange 6 of the feed tube.

    La double étanchéité recherchée est procurée par les appuis axiaux de la collerette 6 sur la plaque 3, d'une part, et de l'épaulement 12 sur la plaque 3, d'autre part.The double seal sought is provided by the axial supports of the flange 6 on the plate 3, on the one hand, and the shoulder 12 on the plate 3, on the other go.

    Le mode de réalisation de la figure 5 est basé sur un agencement analogue à celui de la figure 4, à ceci près que l'épaulement 12 de l'injecteur 1 est remplacé par une portée conique 13 comme dans le mode de réalisation de la figure 2 et que la collerette 6 est située en retrait de l'extrémité du tube d'alimentation 2, laquelle extrémité est rabattue périphériquement pour former une pince annulaire 15 enserrant le bord droit de la lumière 4 de la plaque de support 3.The embodiment of Figure 5 is based on an arrangement similar to that of FIG. that the shoulder 12 of the injector 1 is replaced by a conical bearing 13 as in the embodiment of the FIG. 2 and that the flange 6 is set back from the end of the feed tube 2, which end is folded peripherally to form a clamp ring 15 enclosing the right edge of the light 4 of the support plate 3.

    Lors du vissage de l'injecteur 1 dans le tube 2, la portée conique 13 de l'injecteur appuie sur la pince 15 formée par l'extrémité du tube 2 et l'écrase sur le bord droit de la lumière 4.When screwing the injector 1 into the tube 2, the conical bearing surface 13 of the injector presses on the clamp 15 formed by the end of the tube 2 and crushes it on the edge right of light 4.

    Les étanchéités recherchées sont réalisées, d'une part, par l'appui approximativement radial de la portée conique 13 sur la pince 15 et, d'autre part, par l'enserrement du bord droit de la lumière 4 entre l'extrémité rabattue en 15 du tube 2 et la collerette 6 sous-jacente.The seals sought are realized, of a on the other hand, by the approximately radial support of the conical 13 on the clamp 15 and, on the other hand, by the clasping of the right edge of the light 4 between the folded end 15 of the tube 2 and the collar 6 Underlying.

    Le mode de réalisation de la figure 6 est analogue à celui de la figure 5, à ceci près que l'extrémité rabattue en pince annulaire 15 du tube 2 prend appui sur le dessous de la plaque de support 3 par sa collerette 6 et, sur le dessus de la plaque, prend appui sur un clip 16 élastiquement déformable en forme de fourche qui assure le freinage de l'injecteur 1 vissé dans le tube 2.The embodiment of FIG. 6 is analogous to that of Figure 5, except that the end folded annular clamp 15 of the tube 2 is based on the underside of the support plate 3 by its flange 6 and, on the top of the plate, leans on a clip 16 elastically deformable fork-shaped which ensures the braking of the injector 1 screwed into the tube 2.

    Le mode de réalisation de la figure 7 reprend les dispositions générales de la figure 1, à ceci près que la partie inférieure 11 de l'injecteur 1 est pourvue d'une portée conique 13 et que le bord de la lumière 4 de la plaque de support 3 n'est pas conformé en puits comme à la figure 1, mais est replié pour former un rebord 17 approximativement parallèle à la portée conique 13.The embodiment of FIG. general provisions of Figure 1, except that the lower part 11 of the injector 1 is provided with a conical bearing 13 and that the edge of the light 4 of the support plate 3 is not shaped in wells as in Figure 1, but is folded to form a ledge 17 approximately parallel to the conical bearing 13.

    Lorsque l'injecteur 1 est vissé sur l'extrémité du tube d'alimentation 2, la portée conique 13 qui coopère avec le rebord 17 applique la portion tronconique de liaison 18 contre la collerette 6.When the injector 1 is screwed on the end of the feeding tube 2, the conical bearing 13 which cooperates with the flange 17 applies the frustoconical portion of link 18 against the flange 6.

    La double étanchéité est procurée, d'une part, par la coopération de la portée conique 13 de l'injecteur 1 et du rebord 17 du bord de la lumière 4 et, d'autre part, par la coopération de la portion conique de liaison 18 entourant la lumière 4 et la collerette 6. Double sealing is provided, on the one hand, by the cooperation of the conical bearing 13 of the injector 1 and edge 17 of the edge of the light 4 and, on the other hand, by the cooperation of the conical connecting portion 18 surrounding the light 4 and the flange 6.

    Dans tous les cas, l'injecteur 1 est disposé dans des positions centrée et axiale prédéterminées correctes par rapport à la plaque de support et à la lumière.In all cases, the injector 1 is arranged in correct predetermined centric and axial positions relative to the support plate and light.

    Autrement dit, dans les modes de réalisation des figures 3 et 4, la collerette 6 est située en dessous (en retrait) de l'extrémité du tube 2 qui est solidarisée à l'injecteur et le bord périphérique de la lumière 4 est enserré de façon étanche entre ladite collerette annulaire 6 et une portée de l'injecteur 1 formée par le bout frontal 9 ou un épaulement annulaire 12 de l'injecteur 1.In other words, in the embodiments of the Figures 3 and 4, the flange 6 is located below (in withdrawal) from the end of the tube 2 which is secured to the injector and the peripheral edge of the light 4 is sealed between said annular flange 6 and a range of injector 1 formed by the tip 9 or an annular shoulder 12 of the injector 1.

    De même, dans les modes de réalisation des figures 2 et 7, la collerette annulaire 6 est située en dessous (en retrait) de l'extrémité du tube 2 qui est solidarisée à l'injecteur et le bord périphérique de la lumière 4 est rabattu et serré de façon étanche entre ladite collerette 6 et une portée conique 13 prévue autour de l'injecteur 1.Similarly, in the embodiments of the figures 2 and 7, the annular flange 6 is located below (recessed) of the end of the tube 2 which is secured to the injector and the peripheral edge of the light 4 is folded and tightly sealed between said flange 6 and a conical bearing surface 13 provided around the injector 1.

    Enfin, dans les modes de réalisation des figures 5 et 6, la collerette annulaire 6 est située au voisinage immédiat de l'extrémité du tube d'alimentation 2 et au-dessus de la partie du tube 2 solidarisée à l'injecteur 1, et l'extrémité du tube 2 surmontant la collerette 6 est repliée en 15 pour enserrer (directement, à la figure 5 ; par l'intermédiaire d'un clip élastique, à la figure 6) le bord périphérique de la lumière 4 au contact d'une portée conique 13 de l'injecteur 1.Finally, in the embodiments of FIGS. and 6, the annular flange 6 is located in the vicinity immediately from the end of the feed tube 2 and above of the portion of the tube 2 secured to the injector 1, and the end of the tube 2 surmounting the collar 6 is folded in 15 to grip (directly, in Figure 5; through an elastic clip, in Figure 6) the peripheral edge of light 4 in contact with a staff conical 13 of the injector 1.

    Claims (7)

    1. A gas cooking appliance comprising at least one gas burner equipped with a gas injector (1) which is screwed onto a gas supply tube (2), said injector and/or said tube extending through an aperture (4) in a support plate (3), the injector (1) and the tube (2) being situated essentially one on each side of the support plate (3) respectively above and under this plate, the supply tube being provided with a radially extending annular flange (6) located under the support plate (3),
      characterized in that the injector (1) comprises a bearing surface (12, 13) resting on the top of the support plate (1) so that, when the injector is being screwed on the supply tube both being located one on each side of the support plate, the flange (6) is clamped in a sealed fashion against the peripheral edge of the aperture (4) and/or a bearing surface of the injector (1) and that a seal is provided between the tube (2) and the injector (1), on the one hand, and between the top and the underside of the support plate (3) around the edge of the aperture (4), on the other hand, and that at the same time the injector (1) secured to the supply tube (2) is mechanically hold in a centred position in the aperture (4) and with the outlet orifice (5) of the injector (1) being situated in a predetermined axial position above the support plate.
    2. The appliance according to claim 1, characterized in that the annular flange (6) is situated beneath the end of the tube (2) which is secured to the injector (1) and in that the peripheral edge of the aperture (4) is clamped in a sealed way between said annular flange (6) of the tube (1) and a bearing surface of the injector which is defined by the lower end (9) of the injector (1) or an annular shoulder (12) surrounding the injector (1).
    3. The appliance according to claim 1, characterized in that the annular flange (6) is situated beneath the end of the tube (2) which is secured to the injector (1) and in that the peripheral edge of the aperture (4) is folded over (14; 17, 18) and clamped in a sealed way between said annular flange (6) of the tube (2) and a conical bearing surface (13) provided around the injector (1).
    4. The appliance according to claim 1, characterized in that the annular flange (6) is situated in close proximity to the end of the tube (2) and above the part of the tube (2) which is secured to the injector (1), and in that the end of the tube (2) surmounting the annular flange (6) is folded over (15) to trap the peripheral edge of the aperture (4) in contact with a conical bearing surface (13) of the injector (1).
    5. The appliance according to claim 4, characterized in that an elastic clip is inserted between the folded-over end of the tube and the support plate.
    6. The appliance according to any one of claims 1 to 5, characterized in that the annular flange (6) provided on the supply tube (2) consists of a radially protruding annular fold of the wall of the tube (2).
    7. The appliance according to any one of claims 1 to 6, characterized in that the support plate (3) is the top plate of the appliance.
    EP02290957A 2001-04-18 2002-04-16 Gas cooking appliance Expired - Lifetime EP1251310B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR0105231 2001-04-18
    FR0105231A FR2823835B1 (en) 2001-04-18 2001-04-18 GAS COOKING APPARATUS

    Publications (2)

    Publication Number Publication Date
    EP1251310A1 EP1251310A1 (en) 2002-10-23
    EP1251310B1 true EP1251310B1 (en) 2005-11-09

    Family

    ID=8862420

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP02290957A Expired - Lifetime EP1251310B1 (en) 2001-04-18 2002-04-16 Gas cooking appliance

    Country Status (7)

    Country Link
    US (1) US6615822B2 (en)
    EP (1) EP1251310B1 (en)
    AT (1) ATE309506T1 (en)
    DE (1) DE60207136D1 (en)
    ES (1) ES2253497T3 (en)
    FR (1) FR2823835B1 (en)
    MX (1) MXPA02003888A (en)

    Families Citing this family (9)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US20090051165A1 (en) * 2007-08-22 2009-02-26 Timothy Lee Frost Orifice Holder Construction
    EP2251606A3 (en) * 2009-05-15 2017-09-27 BSH Hausgeräte GmbH Gas supply for a gas burner
    EP2390545A1 (en) 2010-05-24 2011-11-30 Coprecitec, S.L. Coupling element adapted to be coupled to a tube, mainly a gas tube, and a method for assemblying the coupling element to the tube
    US20120226611A1 (en) * 2011-03-01 2012-09-06 Nimish Radia Method and system for conducting a monetary transaction using a mobile communication device
    US9464812B2 (en) * 2012-10-29 2016-10-11 Whirlpool Corporation Gas supply module for burner with beaded gas supply tube
    ITMO20130204A1 (en) * 2013-07-16 2015-01-17 Worgas Bruciatori Srl CONNECTION SYSTEM FOR GAS BURNER COLLECTORS.
    ES2552583B1 (en) * 2014-05-28 2016-09-14 Bsh Electrodomésticos España, S.A. Gas cooking point and cooking
    TWM512089U (en) * 2015-06-18 2015-11-11 Ningbo Kinold Hardware Products Co Ltd Gas element and gas pipe connection structure
    CN112797407B (en) * 2021-02-01 2022-01-21 宁波方太厨具有限公司 Injection unit and stove burner comprising same

    Family Cites Families (10)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US4627411A (en) * 1984-12-04 1986-12-09 Mertler Gary W Gas burner and manifold assembly
    FR2590655B1 (en) * 1985-11-26 1988-01-08 Europ Equip Menager GAS COOKING APPARATUS
    DE3607954A1 (en) * 1986-03-11 1987-09-24 Dreisborner Metallwaren Gmbh Nozzle connection for a gas burner
    DE3926183A1 (en) * 1989-08-08 1991-02-14 Bosch Siemens Hausgeraete NOZZLE ARRANGEMENT FOR A GAS BURNER
    IT225649Y1 (en) * 1991-05-31 1997-01-13 Zanussi Elettrodomestici BURNER TRAY CONTAINED FOR DRAWING
    US5325842A (en) * 1992-07-24 1994-07-05 Maytag Corporation Dual mode downdraft gas range
    US5249958A (en) * 1992-11-16 1993-10-05 Marquette Tool & Die Company Two-section burner
    CA2133029C (en) * 1993-09-27 2001-05-08 Jose Antonio Amaya-Orozco Gas injector for a burner in a gas cooking stove and method of manufacture
    GB9417082D0 (en) * 1994-08-24 1994-10-12 Univ Leeds Innovations Ltd A burner for gas cookers and hobs
    US6173708B1 (en) * 1999-11-15 2001-01-16 Maytag Corporation Gas burner mounting assembly for appliance with ceramic based cooktop

    Also Published As

    Publication number Publication date
    MXPA02003888A (en) 2005-06-20
    FR2823835B1 (en) 2005-04-22
    US6615822B2 (en) 2003-09-09
    ES2253497T3 (en) 2006-06-01
    US20020157658A1 (en) 2002-10-31
    DE60207136D1 (en) 2005-12-15
    ATE309506T1 (en) 2005-11-15
    EP1251310A1 (en) 2002-10-23
    FR2823835A1 (en) 2002-10-25

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