WO2023135123A1 - Appareil de gril - Google Patents

Appareil de gril Download PDF

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Publication number
WO2023135123A1
WO2023135123A1 PCT/EP2023/050427 EP2023050427W WO2023135123A1 WO 2023135123 A1 WO2023135123 A1 WO 2023135123A1 EP 2023050427 W EP2023050427 W EP 2023050427W WO 2023135123 A1 WO2023135123 A1 WO 2023135123A1
Authority
WO
WIPO (PCT)
Prior art keywords
heating element
grilling device
side part
gas
grilling
Prior art date
Application number
PCT/EP2023/050427
Other languages
German (de)
English (en)
Inventor
Nicky RÖPER
Original Assignee
WWS Metallformen 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
Priority claimed from DE202022100113.8U external-priority patent/DE202022100113U1/de
Priority claimed from EP22150873.2A external-priority patent/EP4209155A1/fr
Application filed by WWS Metallformen GmbH filed Critical WWS Metallformen GmbH
Publication of WO2023135123A1 publication Critical patent/WO2023135123A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00—Baking; Roasting; Grilling; Frying
    • A47J37/06—Roasters; Grills; Sandwich grills
    • A47J37/07—Roasting devices for outdoor use; Barbecues
    • A47J37/0704—Roasting devices for outdoor use; Barbecues with horizontal fire box
    • A47J37/0713—Roasting devices for outdoor use; Barbecues with horizontal fire box with gas burners

Definitions

  • the present invention relates to a grilling device according to the preamble of claim 1 .
  • a classic charcoal grill offers the typical grill taste desired by the consumer and has the advantage of being flexible and easy to use, whereby the use of a charcoal grill is even possible in open areas without any infrastructure worth mentioning.
  • charcoal grills there is the disadvantage with charcoal grills that you work with an open fire and there is a strong odor and smoke nuisance due to the burning of charcoal. Because of the open fire and the odor associated with the smoke, it is therefore forbidden in some areas, such as in the narrow inner-city area, to prepare food to be grilled on a charcoal grill. It is also increasingly prohibited in very dry, fire-prone areas to operate an open fireplace and thus to use charcoal grills.
  • gas burners are usually provided below the grilled food support in the bottom of the grill housing, which heat the grilled food that is above the gas burner on the grilled food support .
  • the burning of the fat in the gas burner is undesirable, however, since this can lead to fat fires or massive smoke development.
  • heat deflectors In order to protect the flames generated by the gas burner in the grill from the wind and at the same time to distribute the heat inside the grill, heat deflectors have proven themselves, which are provided in the immediate vicinity of the gas burner between the gas burner and the food to be grilled.
  • the heat conducting plates are, for example, designed like rails and have passages so that the gas flame does not suffocate.
  • the heat conducting plates often cover the burners like a roof, so that the fat dripping down does not accidentally reach the gas flame through the openings in the heat conducting plate. Since the heat deflectors are located above the gas flame, they get very hot when the gas grill is in use.
  • a grill housing with an interior which is formed by a base element, a first side part and a second side part, which lie opposite one another, and two opposite transverse parts, a food support provided above the base element, a gas-operated heating element with a combustion chamber and an upper side from which thermal radiation exits, the heating element being provided below the food support in the area of the first side part and the upper side of the heating element being oriented vertically or pointing obliquely upwards.
  • the invention thus includes the case in which the thermal radiation impinges horizontally on the opposite side part, in which the upper side of the heating element is oriented vertically, and the case in which the thermal radiation of the heating element points obliquely upwards.
  • the thermal radiation can point in the direction of the opposite side part and/or in the direction of the food support.
  • the heating element can be tilted here, so that the upper side of the heating element points obliquely upwards in the direction of the first side part and/or obliquely upwards in the direction of the grilled food support.
  • the heating element may be part of the grill housing or may be located within the grill housing.
  • the food to be grilled is heated from below in this grill device. Due to the fact that the heating element is provided laterally on the edge of the food support or outside of the food support, namely in the area of the first side part when viewed from above on the gas grilling device, the fat of the food to be grilled dripping off the food support can drip off without it getting into the heating element.
  • the top of the heating element Due to the fact that the heating element is rotated and the top of the heating element does not point directly to the food to be grilled, but instead points in the direction of the opposite second side part or diagonally upwards in the direction of the food to be grilled, the top of the heating element, from which the heat radiation outlet, additionally protected against dripping fat.
  • the risk of dripping fat hitting the heating element or parts heated by the heating element is further reduced.
  • a base pan which can be part of the base element, is not heated excessively, so that the dripping fat reaches the base pan, but does not burn. This means that there is significantly less foul-smelling smoke or grease fire. Since the fat does not burn into the base pan, the grilling device is also much easier to clean.
  • a further heating element is provided, which is provided below the grilled food support in the area of the second side part, with the top of the heating element being aligned vertically or pointing obliquely upwards.
  • a fuel container and a connection line with a distributor are provided.
  • the fuel originating from a single fuel tank can thus be used to operate both or even several heating elements.
  • the heating element is an infrared heater. It is possible, for example, to use known ceramic infrared radiators. It will be appreciated that such a heating element may also be capable of generating heat in forms other than infrared radiation, such as air heating.
  • a reflection element is provided.
  • the reflective element is used to direct thermal radiation emitted by the heating element in such a way that it optimally heats the food to be grilled on the food support.
  • the heating element is able to emit infrared radiation, it is advantageous for the first and/or the second side part to be designed as a reflection element.
  • the upper side of the heating element points to the opposite side part ensures that the majority of the heat radiation, which is emitted by the heating element in as directed a way as possible, is reflected on the opposite side part and then back in the direction of the food to be grilled. which is located on the grilled food support to be guided.
  • the food to be grilled can be optimally heated without the top of the heating element, where the radiant heat exits, pointing upwards in the direction of the food to be grilled, which would again cause the risk of fat penetrating the heating element.
  • the heating element is attached to the first side part, in particular is detachably attached, the first side part preferably having a side wall with a projection, below which the heating element is provided. Due to the projection, the heating element is additionally protected from dripping fat from the food to be grilled. This is particularly advantageous when the heating element is tilted so that the upper side of the heating element points obliquely upwards in the direction of the second side part.
  • the heating element is provided below the first side part on the base element. It is of particular advantage here that the heating element is offset outwards in relation to the side part arranged above it is.
  • the base element has side walls, with the heating element either being attached to a side wall of the base element or forming a side wall of the base element.
  • first side part and/or the second side part are inclined outwards relative to the vertical. This has the advantage that the thermal radiation emitted by the heating element can be reflected on the first side part and/or on the second side part and reaches the food directly, even if the thermal radiation is emitted from the heating element at a small angle to the horizontal.
  • the base element preferably comprises a base pan or fat pan. This significantly simplifies the cleaning of the grilling device.
  • the heating element is designed as a heating element, so that the heating element can extend in the horizontal direction along the respective side part.
  • the heating element has a combustion chamber which is open at the top and whose open side is covered with a metal mesh, in particular stainless steel mesh. Due to the gas flame, the stainless steel mesh heats up, causing the wire of the stainless steel mesh to glow, generating infrared radiation. This has the added benefit of greatly reducing carbon monoxide and carbon nitrous oxide emissions.
  • a cover with openings In order to direct the thermal radiation or infrared radiation, it is advantageous for a cover with openings to be provided on the metal fabric.
  • the means for guiding the gas can be formed, for example, by a partition which extends in the direction of flow of the gaseous fuel in the heating element.
  • This partition wall preferably has at least one section which deviates laterally from the longitudinal axis, in particular is curved along the longitudinal axis or bent with respect to the longitudinal axis. Additionally or alternatively, the partition wall can also have a slot. In an additional or alternative embodiment of the means for guiding the gas, this can be designed as a screen which extends in the heating element transversely to the direction of flow of the gaseous fuel.
  • adjusting elements are provided.
  • FIG. 1 shows a grilling device according to a first embodiment in a perspective view with the lid open
  • FIG. 2 shows the grilling device shown in FIG. 1 in a perspective view with the lid closed
  • FIGS. 1 and 2 shows the grilling device shown in FIGS. 1 and 2 in an exploded view
  • FIG. 7 shows the heating element according to a first embodiment in an exploded view
  • FIG. 9 shows a grilling device according to a first embodiment in a perspective view with the lid open
  • FIG. 10 shows the grilling device shown in FIG. 9 in an exploded view
  • FIG. Fig. 11 shows the base element of the grilling device shown in Figs. 9 and 10;
  • FIG. 12 shows part of the heating element according to that shown in FIGS. 9 and 10.
  • FIG. 13 shows part of the grilling device with a connected gas container in a perspective view
  • FIG. 15 shows the heating element according to a second embodiment in an exploded view.
  • FIG. 1 shows the grilling device with the lid open and FIG. 2 showing the grilling device 10 with the lid closed.
  • the grilling device 10 comprises a grilling housing 12 with a base element 14. Furthermore, as can be seen in particular in FIG. 3, a first side part 16a, a second side part 16b and two transverse parts 18a and 18b are provided. The two side parts 16a, 16b and the two transverse parts 18a, 18b form the side walls of the grill housing 12 and thus an interior space which is open at the top and bottom.
  • the side parts 16a and 16b and the transverse parts 18a, 18b are essentially plate-like. On the side parts 16a and 16b and on the cross parts 18a and 18b there are connecting elements in the form of hooks 19 and slots 20 for releasably connecting the side parts 16a, 16b and the cross parts 18a, 18b to one another. If the side parts 16a, 16b and the transverse parts 18a, 18b are connected to one another as intended, the grill housing 12 has a quadrangular, in particular rectangular basic shape in cross section.
  • the side parts 16a and 16b in this case form the longitudinal side of the grill housing 12, while the transverse part 18a forms the front end face and the other transverse part 18b forms the rear end face of the grill housing 12.
  • the transverse parts 18a, 18b each have two extensions 21 which extend downwards, the two extensions 21 being provided on two opposite sides of the transverse part 18a, 18b and the feet for the grilling device 10 form. While the transverse parts 18a, 18b are aligned perpendicularly or vertically, the first side part 16a and the second side part 16b are inclined, so that the grill housing 12 expands upwards on its longitudinal sides.
  • the first side part 16a, the second side part 16b and the two cross parts 18a, 18b are made of metal.
  • a food support 22 On the side of the grill housing 12, which is open at the top, there is a food support 22. Furthermore, a cover 23 is provided in order to close the housing 12 at its top.
  • the cover 23 is here pivotally connected to the housing 12, in particular to the two transverse parts 18a, 18b.
  • the base element 14 includes a fat or floor pan 24 and two heating elements 26 and two crossbars 28. As can be seen in particular in FIG Heating elements 26 are arranged opposite to each other.
  • the bottom pan 24 is located on the underside of the frame 30 and forms the bottom of the base element 14.
  • the floor pan 24 is detachably connected to the base member 14 for easy cleaning.
  • the base element 14 forms the lower end of the interior of the grill housing 12 and thus closes the interior of the grill housing 12 at the bottom when inserted.
  • the frame 30 is arranged below the side parts 16a and 16b, with the two heating elements 26 extending below the two side parts 16a and 16b, respectively, along the longitudinal side of the grill housing 12 (see FIGS. 3 and 6).
  • a part of a connecting line 32 for supplying the heating element 26 with gas is provided on the outside of the cross brace 28, which is located on the front end face of the housing 12.
  • the connecting lines 32 arranged on the cross braces 28 are covered with a cover 34 when the grilling device is in the assembled state.
  • the heating element 26 comprises a heating element 26, the heating element 26 having a gas supply 39 and a combustion chamber 40 which is open at the top and has an upper side 42.
  • the emission of the thermal radiation of the heating element 38 takes place over the top 42.
  • the heating element 26 is to his Longitudinal axis rotated that the top 42 has obliquely upwards in the direction of the respective opposite side part (see Fig. 6).
  • the heating element 26 is offset outwards relative to the respective side part 16a, 16b, so that the upper side 42 of the heating element 26 is set back inside the grill housing 12 relative to the respective side part 16a, 16b.
  • the thermal radiation emitted by the heating element 26 is reflected on the respectively opposite side part 16a, 16b and guided in the direction of the grilled food support 22.
  • the heating rod 26 can both heat the ambient air and emit infrared radiation.
  • the side parts 16a, 16b act as reflection elements for the infrared radiation.
  • Fig. 7 shows the structure of a heating element.
  • the combustion chamber is designed like a channel.
  • the gas supply 39 is attached in the form of an opening.
  • the combustion chamber 40 which is open at the top, is completely covered by a multi-layer metal mesh 44 made of stainless steel, except for the area of the gas supply 39.
  • the metal mesh 44 is attached to a metal mesh strip 45, the metal mesh strip 45 enclosing the combustion chamber 40 laterally.
  • the cover strip 46 forms the outer cover of the combustion chamber 40.
  • a gas guiding means in the form of a partition wall 50 which extends along the longitudinal axis of the heating element 30 .
  • the dividing wall 50 is kinked several times in the middle section 52 relative to the longitudinal axis, so that the dividing wall has a zigzag shape in the middle section 52 when viewed from above.
  • slots 54 are provided in the partition wall 50 and extend in the longitudinal direction of the partition wall 50 .
  • a second gas routing means is provided in the form of an orifice plate 56 which reduces the gas passage from the gas supply 39 to the combustion chamber 40 .
  • connection line 32 is provided, which is connected at one end to a fuel tank 60 arranged outside the grilling device and at the opposite end opens into the gas supply 39 of the heating element 26 .
  • the fuel tank 60 is placed upside down.
  • the connection line 32 has a distributor 68 so that a fuel tank 60 can supply both heating elements 26 .
  • the two heating rods 26 are supplied with fuel by means of a fuel container 60 .
  • the heating rods 26 emit thermal radiation and infrared radiation.
  • the infrared radiation is reflected on the side walls 16a, 16b and directed in the direction of the food support 22 to be grilled. Since the heating rods 26 are arranged laterally offset from the grilled food support 22, the fat of the grilled food located on the grilled food support 22 drips into the base pan 24.
  • the heating rods 26 are protected from dripping fat.
  • the floor pan 24 can be easily cleaned. Since the grilling device can be dismantled, it is not only easy to clean, but also easy to transport.
  • the grilling device 110 comprises a grill housing 112 with a base element 114.
  • the grill housing 112 differs from the grill housing 12 of the grill device 10 shown in FIGS. 1 to 8, among other things, in that ventilation slots 125 are provided in the cover 123 . Corresponding ventilation slots 127 are also attached in the second side part 116b.
  • a handle 131 is provided on the lid 123 and is configured to lock the lid 123 to the first side portion 116a.
  • the base element 114 comprises two oppositely arranged end elements 170a, 170b and two longitudinal elements 172a, 172b (see FIG. 11).
  • the end elements 170a, 170b are extended downwards at their two outer edges and form the feet 121 of the base element 114.
  • the heating elements 126 are located on the inside of the longitudinal elements 172a, 172b.
  • the longitudinal elements 172a, 172b comprise a vertically oriented wall section 174 and a wall section 176 which points obliquely inwards and is provided above the vertically oriented wall section 174 in the manner of a roof. In this case, the heating element 126 is arranged below the wall section 176 pointing obliquely upwards on the vertically aligned wall section 174 .
  • the floor pan 124 can be detachably fastened in the base element 114 .
  • Corresponding supports 175 are provided on the end elements 170a, 170b for this purpose.
  • the base element 114 forms a stand-alone lower part, with the base pan 124 forming the underside of the base element 114 in the inserted state.
  • the side walls 116a, 116b and the transverse parts 118a, 118b of the grill housing 112 are above the base element 114 arranged.
  • tabs 178 which are provided on transverse parts 118a, 118b, engage in slots 180 of the end elements 170a, 170b.
  • the side portions 116a, 116b rest on the inwardly sloping wall portions 176 and are offset inwardly relative to the vertical portion of the side walls 172a, 172b.
  • the food support 122 is provided in the area of the side walls 116a, 116b and the transverse parts 118a, 118b.
  • the heating elements 126 are at least partially covered by the wall sections 176 pointing obliquely inwards, so that they are protected from dripping food to be grilled. Since the heating elements 126 are arranged laterally along the longitudinal elements 172a, 172b in the base element 114, the grilled food support 122 is arranged essentially directly above the base pan 124, so that dripping grilled food can drip directly onto the base pan 124.
  • the food support 122 is designed as a plate which has a multiplicity of elongated openings or slots 181 arranged in parallel. Each opening is V-shaped in cross section. Alternatively, the opening can also have a U-shaped, in particular part-circular or semi-circular, cross-section.
  • the two heating elements 126 are connected to one another via the distributor 168, which is part of the connection line 132 (see FIG. 12).
  • Each heating element 126 comprises a combustion chamber 140, a metal fabric 144 in a metal fabric strip 145 and a cover in the form of a cover strip 146.
  • the structure of the combustion chamber 140 and the metal fabric strip 144 essentially corresponds to that of the heating element 26.
  • adjustment elements 182 in the form of thin plates are provided , by means of which the angle of inclination of the heating elements 126 with respect to the horizontal can be adjusted.
  • the adjusting elements 182 are in this case formed in one piece with the cover strip 146 (see FIG. 15).
  • the functioning of the grilling device 110 shown in FIGS. 9 to 15 corresponds to the grilling device 10 shown in FIGS. 1 to 8; 110
  • part of the connecting line 32, 132 is routed along the heating elements 126.
  • this is not absolutely necessary.
  • the connection line is routed completely outside of the interior of the grilling device 10 .
  • the heating rod or the heating rods are aligned in such a way that the infrared radiation impinges horizontally on inclined side parts.
  • at least one side part can be aligned vertically, in which case the upper side of the heating rod, which radiates its radiation onto this side part, then points obliquely upwards.
  • the side parts 16a, 16b; 116a, 116b are shown as flat plates in the illustrated embodiments. However, they can also be curved.
  • heating element described can also be used in a grill housing other than that described.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Baking, Grill, Roasting (AREA)

Abstract

La présente invention concerne un appareil de gril comprenant : un boîtier de gril (12; 112) avec un intérieur, qui est formé par un élément de base (14; 114), une première partie latérale (16a; 116a) et une seconde partie latérale (16b; 116b) opposées l'une à l'autre, et deux parties transversales (18a, 18b; 118a, 118b) opposées l'une à l'autre; une grille de gril (22, 122) disposée au-dessus de l'élément de base (14; 114); et un élément chauffant alimenté en gaz (26; 126) avec une chambre de combustion (40; 140) et une face supérieure (42) où un rayonnement thermique sort, l'élément chauffant (26; 126) étant disposé sous la grille de gril (22; 122) dans la région de la première partie latérale (16a; 116a), et la face supérieure (42) de l'élément chauffant (26; 126) étant orientée verticalement ou pointant obliquement vers le haut.
PCT/EP2023/050427 2022-01-11 2023-01-10 Appareil de gril WO2023135123A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE202022100113.8U DE202022100113U1 (de) 2022-01-11 2022-01-11 Grillvorrichtung
EP22150873.2 2022-01-11
DE202022100113.8 2022-01-11
EP22150873.2A EP4209155A1 (fr) 2022-01-11 2022-01-11 Dispositif grill pourvu de raccordement de gaz

Publications (1)

Publication Number Publication Date
WO2023135123A1 true WO2023135123A1 (fr) 2023-07-20

Family

ID=85036853

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/050427 WO2023135123A1 (fr) 2022-01-11 2023-01-10 Appareil de gril

Country Status (1)

Country Link
WO (1) WO2023135123A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5603255A (en) * 1994-11-18 1997-02-18 Application Des Gaz Cooking appliance of the gas grill type
US8074634B2 (en) * 2006-09-26 2011-12-13 Char-Broil, Llc Cooking apparatus with concave emitter
EP2143361B1 (fr) * 2008-07-04 2016-06-15 Application des Gaz Appareil de cuisson, notamment du type gril à gaz

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5603255A (en) * 1994-11-18 1997-02-18 Application Des Gaz Cooking appliance of the gas grill type
US8074634B2 (en) * 2006-09-26 2011-12-13 Char-Broil, Llc Cooking apparatus with concave emitter
EP2143361B1 (fr) * 2008-07-04 2016-06-15 Application des Gaz Appareil de cuisson, notamment du type gril à gaz

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