EP2592352B1 - Plaque de cuisson à gaz - Google Patents

Plaque de cuisson à gaz Download PDF

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Publication number
EP2592352B1
EP2592352B1 EP12191727.2A EP12191727A EP2592352B1 EP 2592352 B1 EP2592352 B1 EP 2592352B1 EP 12191727 A EP12191727 A EP 12191727A EP 2592352 B1 EP2592352 B1 EP 2592352B1
Authority
EP
European Patent Office
Prior art keywords
gas hob
primary air
air flow
burner
gas
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
EP12191727.2A
Other languages
German (de)
English (en)
Other versions
EP2592352A1 (fr
Inventor
Cesar Aguado Vela
Silvia Diez Marquina
Jesus Raul Gonzalez Celis
Enrique Gonzalez Llana
Barbara Uranga Martinez
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2592352A1 publication Critical patent/EP2592352A1/fr
Application granted granted Critical
Publication of EP2592352B1 publication Critical patent/EP2592352B1/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
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M9/00—Baffles or deflectors for air or combustion products; Flame shields
    • F23M9/02—Baffles or deflectors for air or combustion products; Flame shields in air inlets
    • 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
    • F24C15/101—Tops, e.g. hot plates; Rings provisions for circulation of air
    • 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

Definitions

  • the present invention relates to a gas hob.
  • the DE 100 64 450 describes a kitchen furniture with a worktop and a built-in gas hob.
  • the gas hob has a plurality of burners, which are supplied by means of a arranged above the worktop opening with primary air.
  • this opening is of aesthetic disadvantage.
  • the US 2006/0051718 A1 describes a gas hob with a gas burner.
  • the gas burner is supplied with primary air by means of an opening arranged above a worktop.
  • the JP 2003 083516 A also describes a gas hob with a gas burner.
  • the gas burner is supplied with primary air by means of an opening arranged above a worktop.
  • the FR 2 650 369 also describes a gas hob with a gas burner.
  • the gas burner is supplied with primary air by means of an opening arranged above a worktop.
  • the DE 102 37 288 A1 describes a gas hob with a gas burner, wherein in the gas hob a pressure equalization connection is provided, which connects a space below the gas hob with a space above a trough plate.
  • the WO 0/0444428 A1 describes a gas hob with a gas burner.
  • an air guide plate is provided, which is arranged on a well plate, wherein between the air guide plate and the well plate, a gap is formed, which is in communication with the air opening.
  • the JP 2009 186153 A describes a gas burner with a device for preheating a fuel gas / primary air mixture with the aid of exhaust gas of the gas burner.
  • an object of the present invention is to provide an improved gas hob.
  • a gas hob for a kitchen furniture with a burner and a device for reducing pressure fluctuations in a burner supplied to the primary air flow.
  • the primary air flow can be supplied from below a worktop of the kitchen cabinet.
  • the device reverses a movement component of a flow direction of the primary air flow by means of a labyrinth at least once, wherein the device has an element arranged at least partially in the primary air flow, which is designed to be frictionally movable, and a corresponding coefficient of friction is suitably provided for reducing the pressure fluctuations.
  • the means for reducing pressure fluctuations is air-conductively connected to the interior to supply the burner with the primary air flow.
  • a supply of the primary air can be carried out from below the worktop mentioned above.
  • pressure fluctuations resulting for example from an opening or closing a drawer or a door below the worktop are buffered by the device and thus remain without significant influence on the burner.
  • the device has a labyrinth for reversing a movement component of the flow direction of the primary air flow. In particular, this results in a meanderfömiger gear through which the primary air flow is forced.
  • the device has two comb-like sections which define the labyrinth between them and for this purpose comprise a plurality of teeth which mesh with one another.
  • the labyrinth can be easily produced.
  • the comb-like portion may have a plurality of teeth, each in a between each two teeth of the other comb-like portion formed gap.
  • the one comb-like section it is also possible for the one comb-like section to have only one tooth.
  • the device has an at least partially disposed in the primary air flow element, which is formed frictionally movable.
  • a corresponding coefficient of friction is provided for reducing the pressure fluctuations suitable. As the element moves under the influence of pressure fluctuations, it reduces pressure fluctuations in a direction toward the burner.
  • the element is designed as a flap, hinged hinged with friction. Such a flap is easy to produce.
  • a porous material is arranged in the primary air flow.
  • the porous element may be formed as a porous ceramic or as a porous plastic.
  • the porous material is also suitable for reducing pressure fluctuations in the primary air flow.
  • the device has an outlet opening towards the burner.
  • the outlet opening in this case in a space formed between a cooking plate and a trough of the gas hob, with which the burner is connected in air conduction.
  • the flap is arranged in the region of the outlet opening and / or closes the outlet opening at least in sections. Such a flap can be easily mounted.
  • the porous material closes the outlet opening. This arrangement of the porous material is easy to manufacture.
  • the gas hob has a hob plate on which a tray is arranged on the underside.
  • the pan preferably seals airtight against the cooking plate and has only one opening through which the primary air passes through the means for reducing pressure fluctuations to the burner.
  • the device is arranged at least in sections in a space enclosed by the hob plate and the tub. As a result, the device can be accommodated easily and protected in the gas hob.
  • the device has an inlet opening, which is connected to the ambient air through an opening in the trough.
  • the "opening in the tub” preferably also includes the case that the opening is limited only by the tub and is not completely formed in this.
  • the interior is connected in an air-conducting manner with the opening in the trough. Air outside the interior thus does not get to the opening in the tub.
  • the gas hob is integrated in a worktop, below which the interior is formed.
  • the interior may have drawers or be accessible by doors from the outside.
  • Fig. 1 shows in a perspective view fragmentary a kitchen furniture.
  • Fig. 2 shows in perspective a broken-out detail shown Fig. 1 ,
  • the kitchen furniture 1 has a worktop 2, in which a gas hob 3 is integrated. Below the worktop 2, an interior 4 is formed, which may have drawers or doors, not shown.
  • the gas hob 3 comprises a burner 5 for heating a cooking utensil (not shown) or the like over an open flame.
  • the gas hob 3 may also have a plurality of burners 5.
  • the gas hob 3 also has a hob plate 6, from which the burner 5 protrudes from the top.
  • the hob plate 6 is in Fig. 1 broken out to reveal the underlying details.
  • the gas hob 3 is formed with a trough 7, which defines a space 11 together with the hob plate 6 and seals against these by means of a peripheral flange 12 airtight.
  • the burner 5 is supplied from the interior 4 for the combustion process with primary air (a corresponding primary air flow is denoted by 13).
  • the gas hob 3 also has a device 14 for reducing pressure fluctuations in the primary air flow 13. Pressure fluctuations in the interior 4, which result, for example, by opening or closing the drawers or doors, can thus no longer propagate as far as the burner 5 or can no longer impair the function of the burner 5.
  • the device 14 comprises two comb-like sections 15, 16, in particular of sheet metal or plastic.
  • the sections 15, 16 each comprise a plurality of teeth 17, 18.
  • one section 15 may have three teeth 17 and the other section 16 may have four teeth 18.
  • the teeth 17, 18 may, for example, extend vertically (ie in the direction of gravity).
  • a respective tooth 17 of the one section 15 engages in a gap 21 formed between two respective teeth 18 of the other section 16. This results in a labyrinth in the form of a meandering passage 20 with an inlet opening 22 and an outlet opening 23, through which the primary air flow 13 of the Entrance to the outlet opening 22, 23 must flow in order to get from the interior 4 to the burner 5.
  • the flow direction 24, 24 'of the primary air flow 13 is reversed several times, for example six times.
  • flow reversal is meant that a second flow direction 24 'as a whole or at least a component of movement thereof is opposite to a first flow direction 24. Due to the resulting multiple flow reversal, pressure fluctuations in the interior 4 are only greatly buffered passed to the burner 5.
  • the meandering passage 20 is optimally adapted to the desired reduction in pressure fluctuations in terms of its shape, for example in terms of its cross-section.
  • the sections 15, 16 are part of a hermetically sealed housing, which on its one side only to the interior 4, the inlet opening 22 and on its other side towards the burner 5 or towards the between the cooking plate 6 and the trough 7 formed Interspace 11, the outlet opening 23 has.
  • the inlet opening 22 is by means of an opening 25 in the trough 7 with the interior 4 in air-conducting connection.
  • a the inlet opening 22 exhibiting portion 26 of the housing can bear directly against a vertical wall 27 of the trough 7.
  • the wall 27 connects a bottom 31 of the tub 7 with the flange 12 thereof.
  • Fig. 3 shows a schematic sectional view of a device 14 for reducing pressure fluctuations according to another embodiment.
  • the device 14 according to Fig. 3 is different from that according to the Fig. 2 and 3 in that the teeth 17, 18 extend horizontally or slightly deviating from the horizontal.
  • the teeth 17, 18 may extend at an angle 32 of, for example, between 1 and 10 degrees other than the horizontal.
  • Fig. 3 in that the teeth 17, 18 may have a bend 30, as exemplified by a tooth 18.
  • Fig. 4 shows a schematic sectional view of a device 14 for reducing pressure fluctuations according to yet another embodiment.
  • the device 14 according to Fig. 4 points towards the device 14 according to Fig. 3 in addition, a flap 33.
  • the flap 33 is hinged by means of a frictional hinge 34 pivotally.
  • the flap 33 closes in the illustrated, normal operating state, the outlet opening 23 only partially.
  • "Normal" here means that a defined primary air flow through the device 14 to the burner 5 is to provide for a desired combustion. If there is now a pressure fluctuation in the interior 4, then the flap 33 pivots by means of the hinge 34.
  • the coefficient of friction of the hinge 34 is provided such that the pressure fluctuation is suitably reduced.
  • Fig. 5 shows a schematic sectional view of a device 14 for reducing pressure fluctuations according to yet another embodiment.
  • the outlet opening 23 is closed by a porous material 35.
  • the porous material 35 may be, for example, a porous ceramic or a porous plastic.
  • the material 35 accordingly has a plurality of pores, not shown, which penetrate the primary air stream 13 on its way to the burner 5 got to. The pores are dimensioned such that pressure fluctuations in the interior 4 are only greatly buffered passed to the burner 5.

Landscapes

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

Claims (13)

  1. Table de cuisson à gaz (3) pour un meuble de cuisine (1), comprenant un brûleur (5) et un dispositif (14) destiné à réduire des variations de pression dans un flux d'air primaire (13) amené au brûleur (5), ledit flux d'air primaire (13) pouvant être amené depuis le dessous d'un plan de travail (2) du meuble de cuisine (1), ledit dispositif (14) inversant au moins une fois une composante de déplacement d'une direction d'écoulement (24, 24') du flux d'air primaire (13) au moyen d'un labyrinthe (20), caractérisée en ce que le dispositif (14) présente un élément (33) agencé au moins partiellement dans le flux d'air primaire (13) et qui est réalisé de manière mobile avec frottement, et qu'il est prévu un coefficient de frottement correspondant apte à réduire les variations de pression.
  2. Table de cuisson à gaz selon la revendication 1, caractérisée en ce que le dispositif (14) présente deux parties (15, 16) en forme de peigne, qui définissent entre elles le labyrinthe (20) et qui comprennent pour cela plusieurs dents (17, 18) qui s'engrènent les unes dans les autres.
  3. Table de cuisson à gaz selon la revendication 1, caractérisée en ce que l'élément (33) est réalisé sous forme de volet, lequel est articulé et pivotant avec frottement.
  4. Table de cuisson à gaz selon l'une des revendications 1 à 3, caractérisée en ce qu'un matériau poreux (35) est placé dans le flux d'air primaire (13).
  5. Table de cuisson à gaz selon l'une des revendications 1 à 4, caractérisée en ce que le dispositif (14) présente une ouverture de sortie (23) pour le flux d'air primaire (13) vers le brûleur (5).
  6. Table de cuisson à gaz selon la revendication 5, caractérisée en ce que l'élément (33) est agencé dans la région de l'ouverture de sortie (23) et/ou obture au moins en partie l'ouverture de sortie (23).
  7. Table de cuisson à gaz selon la revendication 4 et l'une des revendications 5 ou 6, caractérisée en ce que le matériau poreux (35) obture l'ouverture de sortie (23).
  8. Table de cuisson à gaz selon l'une des revendications 1 à 7, caractérisée en ce que la table de cuisson à gaz (3) comprend une plaque de cuisson (6), sur le dessous de laquelle est placée une cuvette (7).
  9. Table de cuisson à gaz selon la revendication 8, caractérisée en ce que le dispositif (14) est placé au moins en partie dans un espace (11) ceint de la plaque de cuisson (6) et de la cuvette (7).
  10. Table de cuisson à gaz selon la revendication 8 ou 9, caractérisée en ce que le dispositif (14) présente une ouverture d'entrée (22) pour le flux d'air primaire (13), laquelle communique avec l'air ambiant à travers une ouverture (25) ménagée dans la cuvette (7).
  11. Meuble de cuisine (1) comprenant une table de cuisson à gaz (3) selon l'une des revendications 1 à 10 et un espace intérieur (4) avec lequel le dispositif (14) communique de manière à conduire l'air pour amener le flux d'air primaire (13) au brûleur (5).
  12. Meuble de cuisine selon la revendication 11, caractérisé en ce que l'espace intérieur (4) communique de manière à conduire l'air avec l'ouverture (25) ménagée dans la cuvette (7).
  13. Meuble de cuisine selon la revendication 11 ou 12, caractérisé en ce que la table de cuisson à gaz (3) est intégrée dans un plan de travail (2) au-dessous duquel l'espace intérieur (4) est formé.
EP12191727.2A 2011-11-14 2012-11-08 Plaque de cuisson à gaz Not-in-force EP2592352B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201131825A ES2405007R1 (es) 2011-11-14 2011-11-14 Encimera de cocción a gas

Publications (2)

Publication Number Publication Date
EP2592352A1 EP2592352A1 (fr) 2013-05-15
EP2592352B1 true EP2592352B1 (fr) 2017-01-18

Family

ID=47146247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12191727.2A Not-in-force EP2592352B1 (fr) 2011-11-14 2012-11-08 Plaque de cuisson à gaz

Country Status (2)

Country Link
EP (1) EP2592352B1 (fr)
ES (1) ES2405007R1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2644164A1 (es) * 2016-05-27 2017-11-27 Bsh Electrodomésticos España, S.A. Encimera de cocción a gas

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009186153A (ja) * 2008-02-08 2009-08-20 Paloma Ind Ltd 加熱調理器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1232887B (it) * 1989-07-27 1992-03-05 Merloni Elettrodomestici Spa Bruciatore di gas per cottura di alimenti
DE10064450A1 (de) 2000-12-22 2002-07-04 Bsh Bosch Siemens Hausgeraete Glaskeramikkochfeld mit verformter Glaskeramik
JP2003083516A (ja) * 2001-09-12 2003-03-19 Matsushita Electric Ind Co Ltd ガスコンロバーナ装置
AU2002338944A1 (en) * 2001-11-23 2003-06-10 Bsh Bosch Und Siemens Hausgerate Gmbh Gas stove pan
DE10237288A1 (de) * 2001-11-23 2003-06-18 Bsh Bosch Siemens Hausgeraete Gaskochmulde
US7291009B2 (en) * 2004-09-08 2007-11-06 General Electric Company Dual stacked gas burner and a venturi for improving burner operation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009186153A (ja) * 2008-02-08 2009-08-20 Paloma Ind Ltd 加熱調理器

Also Published As

Publication number Publication date
EP2592352A1 (fr) 2013-05-15
ES2405007R1 (es) 2013-09-19
ES2405007A2 (es) 2013-05-29

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