EP3679301B1 - Grille, table de cuisson à gaz et procédé de fabrication d'une grille - Google Patents

Grille, table de cuisson à gaz et procédé de fabrication d'une grille Download PDF

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Publication number
EP3679301B1
EP3679301B1 EP18772889.4A EP18772889A EP3679301B1 EP 3679301 B1 EP3679301 B1 EP 3679301B1 EP 18772889 A EP18772889 A EP 18772889A EP 3679301 B1 EP3679301 B1 EP 3679301B1
Authority
EP
European Patent Office
Prior art keywords
gas
support
pan support
fingers
outlet openings
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.)
Active
Application number
EP18772889.4A
Other languages
German (de)
English (en)
Other versions
EP3679301A1 (fr
Inventor
Luis Acosta Herrero
Roberto Carballo Fernandez
Alberto Lopez Ortiz
Luis Antonio Palacios Valdueza
Emilio Placer Maruri
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 EP3679301A1 publication Critical patent/EP3679301A1/fr
Application granted granted Critical
Publication of EP3679301B1 publication Critical patent/EP3679301B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/08—Arrangement or mounting of burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/107—Pan supports or grates therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • 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
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/48—Nozzles
    • F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
    • F23D14/583—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration of elongated shape, e.g. slits
    • F23D14/586—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration of elongated shape, e.g. slits formed by a set of sheets, strips, ribbons or the like
    • 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
    • F23D14/10—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 elongated tubular burner head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14041—Segmented or straight line assembly of burner bars
    • 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 pot support, a gas hob with such a pot support and a gas stove with such a gas hob and/or such a pot support.
  • the invention also relates to a method for producing a pot support.
  • Gas hobs usually include a hob plate with a through hole on which a gas burner is arranged.
  • the gas burner has a gas valve for providing fuel gas, the gas valve usually being arranged below the hob plate.
  • the fuel gas must be mixed with primary air to form a combustible fuel gas-air mixture. This usually takes place in a mixing chamber that is arranged below the hob plate.
  • a gas hob can also include a pot support.
  • the pot support can be provided as a removable component, for example to simplify cleaning of the gas hob.
  • the pot support is usually just a support structure that is designed to hold a food container above the gas burner.
  • the gas burner usually comprises an upper burner part which is arranged above the hob plate and has gas burner openings.
  • the fuel gas-air mixture is provided at the gas burner openings in order to maintain a flame below the food container to heat it.
  • the burner upper part and the pot support are designed as separate components.
  • the document US 6,148,811 A discloses a combined burner and grate structure for a gas stove with one or more burner elements.
  • Each burner element has one or more fuel inlets, one or more fuel outlets located on one or more side surfaces, and a top.
  • a horizontal support for a cooking vessel is formed on the top of each burner element.
  • GB 2 240 168 A discloses a star-shaped gas stove burner head with radial legs forming a pan support and including a gas distributor and a mounting cap.
  • US 2010/126496 A1 discloses a burner fire cap for a gas hob comprising a substantially annular cover body. Furthermore, the reveals US 2014/076302 A1 a fire pit burner. The US 2016/201902 A1 reveals another gas burner.
  • US 2017/0205075 A1 discloses a cooktop appliance having a gas burner assembly positioned on a panel of the cooktop appliance and a grate suspending the burner in the air above the panel.
  • the gas burner assembly includes an inwardly directed burner that provides more even heating of cookware supported on the grate. Additionally, a large opening extends through the center of the burner to ensure the proper supply of air to mix with fuel for combustion. The resulting stovetop device provides improved heating of all cookware and simplifies the cleaning process.
  • an object of the present invention is to provide an improved pot support.
  • a pot support for a gas stove is proposed, with a support structure for a food container, which has a support surface for the food container and a channel for a combustible fuel gas air mixture, which leads to gas outlet openings.
  • the “support surface” means, for example, a pot support surface.
  • “Channel” means a cavity that is surrounded along its extent by a solid material of the support structure and is designed to contain a fluid, in particular a fluid, along its extent Fuel gas air mixture to conduct. Therefore, for example, the channel is essentially gas-tight when all channel openings are closed. For example, the channel can be divided at least in sections into several channel strands.
  • the support structure includes the gas outlet openings for providing a fuel gas-air mixture.
  • the gas outlet openings are designed, for example, as gas burner openings.
  • the pot support is designed to provide a flame at the gas outlet openings for heating the food container.
  • the support structure By forming the gas outlet openings on the support structure, functional integration can be achieved, since the support structure carries the food container and at the same time can provide the fuel gas-air mixture for generating and/or maintaining the flame. For example, an additional gas burner cover or a burner top with gas outlet openings is not required.
  • an individual and high-quality design of the pot holder, a gas hob and a gas stove can be provided. This also makes cleaning a gas hob equipped with the pot support easier.
  • the support structure is formed in one piece or in one piece of material. This results in the advantage that easy handling of the pot support can be ensured, especially when removing the pot support from a hob plate.
  • “One-piece material” means that the pot support is made, in particular originally formed, from a base material/raw material. For example, the pot support is manufactured using 3D printing. A one-piece pot support eliminates the need for complex joining steps during production. In addition, a high-quality appearance of the pot support can be provided.
  • the pot support comprises a pipe section for mixing primary air and fuel gas to form the combustible fuel gas air mixture, wherein the support structure and the pipe section are in particular designed in one piece or in one piece of material.
  • the pipe section can be referred to as part of a Venturi nozzle, Venturi nozzle section and/or mixing chamber.
  • a pot support, a gas burner cover/burner upper part and a nozzle arrangement for forming a fuel gas mixture, such as a Venturi nozzle are provided in one component.
  • primary air is provided at an opening in the pipe section and is mixed with fuel gas.
  • the pipe section includes a channel section.
  • the pipe section extends, for example, in a vertical direction. A length of the pipe section is preferably greater than a distance between the support surface and a contact surface of the pot support on a hob plate.
  • the support structure has at least two fingers, in particular exactly three, four, five or six fingers, which are arranged in particular radially around a central axis of the pot support.
  • a “central axis” can be understood to mean an axis that extends parallel to the vertical direction. Viewed from a top view, the central axis passes through a radial center to which or to which the fingers point.
  • the fingers include a radial section that extends in a radial direction that is perpendicular to the vertical direction.
  • the radial section is, for example, designed as a T-profile when viewed in cross section in order to enlarge the contact surface.
  • the pipe section is arranged, for example, around the central axis, so that the central axis forms the longitudinal axis of the pipe section. For example, the fingers protrude away from the pipe section.
  • the fingers include a contact surface which is designed to rest on an upper side of the hob plate.
  • the fingers in particular are therefore designed to be supported on a hob plate.
  • the fingers can be attached to a base frame which is supported on the hob plate and extends around the pipe section.
  • the fingers converge on the pipe section.
  • the fingers are L-shaped.
  • a respective finger extends from the contact surface first in the vertical direction to form a column section, bends and then extends in the radial direction R to form the radial section towards the central axis. This ensures that the pot holder remains stable on the hob plate be guaranteed.
  • the pot support stands on a surface of a hob plate on the fingers, and the pipe section extends through an opening in the hob plate below the hob plate and absorbs the fuel gas-air mixture into the channel there.
  • At least one of the fingers has the gas outlet openings.
  • the channel includes channel strands formed in the fingers.
  • the channel section which is arranged within the pipe section, is divided into the channel strands, so that a fluid connection is formed between the channel section and the channel strands.
  • the gas outlet openings are arranged next to one another along an extension direction of the at least one finger.
  • a special appearance of the pot support can be provided.
  • heat can be transferred evenly and over a large area to the underside of the food container.
  • the gas outlet openings provided on one of the fingers are provided at the same height and spaced apart from each other at an equal distance.
  • the gas outlet openings are open to one side of the finger.
  • the gas outlet openings are formed on a side surface or side wall of the radial section.
  • At least some of the gas outlet openings are open at the top.
  • the upwardly open part of the gas outlet openings is formed, for example, on a wall which delimits the pipe section at the top and has a main extension plane which runs perpendicular to the vertical direction. Therefore, gas exits directly upwards at at least some of the gas outlet openings.
  • the at least part of the gas outlet openings is formed between at least two support surfaces for the food container, which are formed by different fingers, one of which is the support surface.
  • the upwardly open gas outlet openings are arranged between the support surfaces, so that a flame provided centrally on the underside of the cookware can be provided.
  • a gas hob with a pot support, as described above, is also proposed.
  • the gas hob has a hob plate with at least one opening and a gas nozzle arranged below the hob plate for providing fuel gas, a channel of the pot support extending at least partially through the at least one opening or being fluidly connected to it, and the channel thereto is set up to direct a fuel gas air mixture of primary air and fuel gas to the gas outlet openings.
  • the pot support is in particular provided on the hob plate in a removable manner.
  • a top side of the hob plate is smooth when the pot support is removed and no projection, in particular a burner lid, is provided above the hob plate, cleaning the hob plate is made easier.
  • the gas nozzle can protrude into the channel.
  • the gas hob has a pipe section for mixing primary air and fuel gas to form a combustible fuel gas air mixture, which is in particular designed in one piece or in one piece with a support structure of the pot support, the pipe section piercing the hob plate downwards.
  • a lower opening of the pipe section which is open downwards, is arranged directly above the gas nozzle. This allows fuel gas to easily flow from the gas nozzle into the channel. This ensures that the fuel gas-air mixture can flow to the gas outlet openings.
  • the pipe section extends through the opening of the hob plate and protrudes from an underside of the hob plate.
  • the pot support is positively connected to the hob plate in the radial direction.
  • positioning aids in particular downwardly projecting projections, in particular pipe pieces, can be provided on the pot support, which engage in openings in the hob plate in order to prevent rotation.
  • a single projection is enough to ensure anti-twist protection. This makes it easier to attach the pot support to the hob plate.
  • the lower opening of the tube section may be open to one side of the tube section and fluidly connected to a gas supply line which extends in the radial direction.
  • the support structure of the pot support has at least two, in particular three, four, five or six fingers, each of which includes a support surface for a food container and is supported on the hob plate.
  • the pot support is preferably supported on an upper side of the hob plate.
  • the fingers are connected to the pipe section in one piece of material.
  • a household appliance in particular a gas stove, with a pot support, as described above, and/or a gas hob, as described above, is proposed.
  • a method for operating a gas hob is also proposed, in which a fuel gas-air mixture is led through a channel integrated in a pot support to gas outlet openings.
  • the pot support is designed in particular as described above and below.
  • a method for producing a pot support in particular as described above, is proposed, wherein the pot support is produced using 3D printing, in particular selective laser melting.
  • the channel can be provided within the pot support during 3D printing. Furthermore, it is possible to take into account individual customer requests that cannot be produced using conventional processes (for large quantities) when producing such pot supports.
  • the Fig. 1 shows a schematic side view of an embodiment of a household appliance 1.
  • the household appliance 1 is in particular a household cooking appliance Gas stove or a household cooking stove.
  • the household appliance 1 can be a built-in device or a free-standing device.
  • the household appliance 1 includes two pot supports 2.
  • the pot supports 2 are each designed to hold a food container (in Fig. 1 not shown) above a flame (in Fig. 1 not shown).
  • the pot support 2 serves as a support structure for a food container.
  • the pot supports 2 can also be connected to form one element, so that there is a one-piece pot support that can carry two food containers.
  • the number of pot supports 2 is arbitrary. For example, four pot supports 2 can be provided.
  • the pot supports 2 are arranged on a common hob plate 3.
  • the pot supports 2 can be attached to the hob plate 3.
  • the pot support or supports 2 are usually supported on the hob plate 3.
  • the pot support or supports 2 rest on the hob plate 3.
  • a piece of pipe 16 protrudes in sections through the hob plate 3 (indicated by dots).
  • the hob plate 3 can be, for example, a sheet steel, a glass plate or a glass ceramic plate.
  • Each pot support 2 is assigned a control element 4 for a gas valve or gas control valve, with the help of which a fuel gas stream supplied to the respective pot support 2 can be selectively switched on, switched off and, in particular, switched on continuously.
  • the gas control valves can also be set up to regulate the fuel gas flow supplied to the respective pot support 2 in stages. This means that the gas control valves can be designed as stepped gas control valves or as so-called step valves.
  • Each pot support 2 is assigned to a gas hob 5.
  • the pot supports 2 could have a base frame section (in Fig. 1 not shown), which rests on the hob plate 3 and encloses the gas hobs 5, in particular be connected in one piece of material.
  • the household appliance 1 includes two gas hobs 5.
  • the household appliance 1 could additionally comprise hobs that are operated using electrical energy, such as an induction hob (in Fig. 1 Not shown).
  • the household appliance 1 includes three or four such gas hobs 5.
  • Fig. 2 shows household appliance 1 Fig. 1 in a schematic supervision.
  • the household appliance 1 includes a front 6, on which the operating elements 4 are arranged and which generally faces a user who is standing in front of the household appliance 1.
  • the household appliance 1 includes a left side 8 and a right side 9 arranged opposite the left side 8.
  • the pot supports 2 When viewed from above, the pot supports 2 have a cross-shaped shape with four fingers. How out Fig. 2 As can be seen, there is no additional burner cover or upper burner part.
  • the pot supports 5 have channels and gas outlet openings so that the flames arise directly on your fingers during operation. Possible exemplary embodiments for pot supports are explained in the following figures.
  • Fig. 3 shows a perspective view of a pot support 2, which is in the household appliance Fig. 2 can be used.
  • the pot support 2 includes a support structure 10 for the food container.
  • the support structure 10 has four fingers 11 which are arranged radially around a central axis M of the pot support 2 at an angular distance of 90°. Two fingers 11 lie opposite each other in mirror symmetry. As in Fig. 2 shown, viewed from the central axis M, one of the fingers 11 of the pot support 2 points to the left side 8, one to the right side 9, one to the back 7 and one to the front 6 of the household appliance 1. Alternatively, the fingers 11 could also be diagonal to the sides 7, 8, 9, 10.
  • Each of the fingers 11 includes a support surface 12 for the food container and a contact surface 13, which is intended to rest on the hob plate 3 and to support the pot support 2 on the hob plate 3.
  • Each of the fingers 11 extends from the contact surface 13 first in a vertical direction Z to form a column section 14, bends and then extends in a radial direction R, which runs perpendicular to the vertical direction Z, to form a radial section 15 towards the central axis M.
  • the central axis M runs parallel to the vertical direction Z. Consequently, the fingers 11 have an L shape.
  • the radial section 15 is designed as a T-shaped profile or T-shaped bar to enlarge the support surface 12.
  • the pot support 2 further comprises a pipe section 16 for mixing primary air and fuel gas to form the combustible fuel gas air mixture.
  • the tube section 16 is arranged centrally relative to the fingers 11 and extends in the vertical direction Z, so that the central axis M forms the longitudinal axis of the tube section 16.
  • the radial sections 15 are connected to the pipe section 16 on its outer surface 17.
  • the support structure 10 and the pipe section 16 are in particular designed in one piece or in one piece of material.
  • the pipe section 16 ends in the vertical direction Z with a wall 18 which has a horizontal main extension plane E.
  • the wall 18 extends parallel to the support surfaces 12 and to the hob plate 3. Furthermore, the wall 18 is arranged below the support surfaces 12.
  • the wall 18 includes a plurality of gas outlet openings 19 which are open at the top.
  • the gas outlet openings 19, which are open at the top, are visibly arranged between the four support surfaces 12 when viewed from above. The fuel gas air mixture therefore exits directly upwards.
  • At least one of the fingers 11 includes the gas outlet openings 19. These are formed on the radial section 15 and are arranged next to one another along the radial direction R.
  • the gas outlet openings 19 formed on the radial section 15 are open to one side (i.e. not downwards or upwards) of the radial section 15. Consequently, the fuel gas air mixture initially exits parallel to the support surface 12.
  • the gas outlet openings 19 formed on the radial section 15 are correspondingly arranged on side surfaces 20 of the radial section 15, which are formed perpendicular to the support surface 12.
  • gas outlet openings 19 can be formed on two opposite side surfaces 20 of a radial section 15.
  • Fig. 4 shows a section IV Fig. 3 , which cuts the pot support 2 into two equal halves and runs lengthways through two opposing fingers 11 and the pipe section 16.
  • the pot support 2 has a channel 21 for the fuel gas air mixture, which leads to the gas outlet openings 19.
  • the channel 21 has a channel section 22 running from bottom to top, which is enclosed by the pipe section 16 and begins at a lower opening 24 of the pipe section 16, which is open at the bottom.
  • the channel section 22 is columnar and has a round outer contour.
  • the pipe section 16 can, for example, be referred to as a Venturi nozzle together with a nozzle (not shown) for the fuel gas.
  • channel section 22 is bounded at the top by the wall 18 and opens into channel strands 23 which are arranged within the radial sections 15.
  • the gas outlet openings 19 create access from an environment U, which surrounds the pot support 2, and the channel section 22 and the channel strands 23. Therefore, the fuel gas-air mixture can reach the environment U, in which it can burn.
  • a respective channel strand 23 extends in the radial direction R and ends within the respective radial section 15.
  • the pot support 2 is produced, for example, using 3D printing, in particular selective laser melting. It is possible to produce the fingers 11 and/or the pipe section 16 and/or the wall 18 as a one-piece material component, in particular with a channel section 22 provided therein and/or channel strands 23 provided therein and/or gas outlet openings 19 provided therein.
  • the pot support 2 is made of a metal, or the pot support has a metal.
  • Fig. 5 shows a section V Fig. 3 , which runs across the radial section 15 of one of the fingers 11.
  • the channel strand 23 has a rectangular cross-sectional geometry and is formed as a cuboid volume.
  • a height D1 of the finger 11 between the contact surface 13 and the support surface 12 is smaller than a distance D2 between the lower opening 24 of the pipe section 16 and the support surface 12, the difference between the distance D2 and the height D1 being in particular greater than a thickness/ Strength D3 (see Fig. 7 ) of the hob plate 3.
  • Fig. 6 shows another sectional view of the pot support 2 according to Fig. 3 .
  • a receptacle 25 is provided for a lower end 26 of the pipe section 16.
  • the receptacle 25 has an annular ring section 27 into which the lower end 26 of the pipe section 16 can be inserted.
  • An inner diameter D4 of the ring section 27 essentially corresponds to an outer diameter D5 of the lower end 26 of the pipe section 16.
  • the receptacle 25 is at an opening 29 (in Fig. 6 not shown) attached to the hob plate 3 and attached to it.
  • an upwardly open gas nozzle 28 is provided below the ring section 27 and the pipe section 16.
  • the gas nozzle 28 is fluidly connected to a gas supply line 29 and is designed to provide the fuel gas.
  • the gas nozzle 28 is arranged below the opening 24 so that the fuel gas can rise directly into the pipe section 16.
  • primary air is provided at the opening 24 so that a combustible fuel gas air mixture can form.
  • the channel section 22 can be referred to as a corresponding mixing chamber.
  • the opening 24 could be open to one side instead of downwards, so that the fuel gas air mixture can flow into the pipe section 16 from the side.
  • Fig. 7 shows a section IIV Fig. 2 , wherein the gas hob 5 is shown in a schematic cross-sectional view.
  • the gas hob 5 includes the hob plate 3, the pot support 2, the receptacle 25 and the gas nozzle 28.
  • the opening 29, which is designed as a through opening, is provided for the ring section 27 of the receptacle 25.
  • the lower end 26 of the pipe section 16 is received by the ring section 27, so that the pipe section 16 partially protrudes downwards from an underside 30 of the hob plate 3.
  • the contact surfaces 13 lie on a top side 31 of the hob plate 3.
  • the channel 21 of the pot support 2 thus extends at least partially through the opening 29.
  • no receptacle 25 could be provided, so that the end 26 of the pipe section 16 is received directly by the opening 29 and is in contact with an inside 32 of the same.
  • the pipe section 16 could be fluidly connected to the opening 29.
  • the pipe section 16 could stand on the top 31 of the hob plate 3, so that the opening 24 of the pipe section 16 is provided flush over the opening 29 of the hob plate 3.
  • the hob plate 3 has no projections (e.g. gas burner upper part or burner lid), so that, for example, cleaning the hob plate 3 is easier.
  • positioning aids could be provided on the pot support 2 in order to make it easier to attach the pot support 2 to the hob plate 3.
  • a positioning aid can be designed, for example, as a projection, in particular a piece of pipe, which engages in a recess in the hob plate 3. This ensures anti-twist protection.
  • the channel 21 could also be provided in the column sections 14, with the column sections 14 extending through openings (in Fig. 7 not shown) of the hob plate 3 extend or could have a fluid connection with them.
  • the channel 21 could accordingly transition from the column sections 14 into the channel strands 23.
  • pot supports can have other shapes, for example circular arcs or have parallel fingers. It is also conceivable that a pot support is assigned to several gas hobs and forms separate channels.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)
  • Commercial Cooking Devices (AREA)

Claims (14)

  1. Grille (2) pour table de cuisson à gaz (1), comprenant une structure porteuse (10) pour un récipient d'aliments à cuire, qui présente une surface d'appui (12) pour le récipient d'aliments à cuire et un canal (21) pour un mélange de gaz combustible et d'air pour la combustion qui conduit à des ouvertures de sortie de gaz (19), dans lequel la structure porteuse (10) présente au moins deux doigts (11), dans lequel au moins un des doigts (11) présente les ouvertures de sortie de gaz (19),
    caractérisée en ce que la structure porteuse (10) est formée d'une seule pièce ou d'un seul bloc de matériau, dans lequel le canal (21) est une cavité qui est entourée le long de son prolongement par un matériau plein de la structure porteuse (10).
  2. Grille selon la revendication 1, caractérisée par un tronçon de tuyau (16) pour le mélange d'air primaire et de gaz combustible en le mélange de gaz combustible et d'air pour la combustion, dans lequel la structure porteuse (10) et le tronçon de tuyau (16) sont formés en partie d'une seule pièce ou d'un seul bloc de matériau.
  3. Grille selon la revendication 1 ou 2, caractérisée en ce que la structure porteuse (10) présente précisément trois, quatre, cinq ou six doigts (11).
  4. Grille selon l'une des revendications 1-3, caractérisée en ce que les doigts (11) sont disposés radialement autour d'un axe médian (M) de la grille (2).
  5. Grille selon l'une des revendications 1-4, caractérisée en ce que les doigts (11) sont en forme de L.
  6. Grille selon l'une des revendications 1-5, caractérisée en ce que les ouvertures de sortie de gaz (19) sont disposées les unes à côté des autres le long d'un sens de prolongement de l'au moins un doigt (11).
  7. Grille selon la revendication 6, caractérisée en ce que les ouvertures de sortie de gaz (19) sont ouvertes vers un côté du doigt (11).
  8. Grille selon l'une des revendications 1-7, caractérisée en ce qu'au moins une partie des ouvertures de sortie de gaz (19) est ouverte vers le haut.
  9. Grille selon la revendication 8, caractérisée en ce que l'au moins une partie des ouvertures de sortie de gaz (19) est formée entre au moins deux surfaces d'appui (12) de doigts (11) différents pour le récipient d'aliments à cuire, desquelles une est la surface d'appui (12).
  10. Surface de cuisson au gaz (5), comprenant une grille (2) selon l'une des revendications 1 - 9.
  11. Surface de cuisson au gaz selon la revendication 10, caractérisée par une plaque de cuisson (3) comprenant au moins une ouverture (29) et une buse de gaz (28) disposée au-dessous de la plaque de cuisson (3) pour fournir du gaz combustible, dans lequel un canal (21) de la grille (2) s'étend au moins partiellement à travers l'au moins une ouverture (29) ou est en liaison fluidique avec celle-ci, et dans lequel le canal (21) est conçu pour diriger le mélange de gaz combustible et d'air pour la combustion d'air primaire et de gaz combustible vers les ouvertures de sortie de gaz (19).
  12. Surface de cuisson au gaz selon la revendication 11, caractérisée par un tronçon de tuyau (16) pour mélanger de l'air primaire et du gaz combustible en le mélange de gaz combustible et d'air pour la combustion qui est formé particulièrement d'une seule pièce ou d'un seul bloc de matériau avec une structure porteuse (10) de la grille (2), dans lequel le tronçon de tuyau (16) transperce la plaque de cuisson (3) vers le bas.
  13. Surface de cuisson au gaz selon la revendication 11 ou 12, caractérisée en ce que la structure porteuse (10) de la grille (2) présente deux, trois, quatre, cinq ou six doigts (11) qui comprennent respectivement une surface d'appui (12) pour un récipient d'aliments à cuire et s'appuient sur la plaque de cuisson (3).
  14. Procédé de fabrication d'une grille (2) selon l'une des revendications 1-9, caractérisé en ce que la grille (2) est fabriquée par impression 3D, en particulier par fusion laser sélective.
EP18772889.4A 2017-09-05 2018-08-24 Grille, table de cuisson à gaz et procédé de fabrication d'une grille Active EP3679301B1 (fr)

Applications Claiming Priority (2)

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ES201731072A ES2702788A1 (es) 2017-09-05 2017-09-05 Soporte de olla, punto de coccion a gas, y procedimiento para fabricar un soporte de olla
PCT/IB2018/056424 WO2019048970A1 (fr) 2017-09-05 2018-08-24 Grille, table de cuisson à gaz et procédé de fabrication d'une grille

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EP3679301B1 true EP3679301B1 (fr) 2023-10-11

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EP (1) EP3679301B1 (fr)
CN (1) CN111094854A (fr)
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WO (1) WO2019048970A1 (fr)

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ES2784615A1 (es) * 2019-03-25 2020-09-29 Bsh Electrodomesticos Espana Sa Encimera de gas
WO2020260256A1 (fr) * 2019-06-26 2020-12-30 BSH Hausgeräte GmbH Support de casserole, plaque de cuisson à gaz et procédé pour la fabrication d'un support de casserole
WO2022093133A1 (fr) * 2020-10-07 2022-05-05 Mamur Teknoloji Sistemleri San. A.S. Dispositif de support de casserole et son procédé de production

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ES2702788A1 (es) 2019-03-05
EP3679301A1 (fr) 2020-07-15
WO2019048970A1 (fr) 2019-03-14
US11988391B2 (en) 2024-05-21
CN111094854A (zh) 2020-05-01
US20230314006A1 (en) 2023-10-05

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