Grill

Abstract

Barbecue device (1) with a round burner (5) and a grill grate (16) arranged above the round burner (5) with grate webs, wherein the area (31) between two adjacent grate webs in the area above the round burner (5) is closed, characterized in that an at least partially closed diffuser plate (30) is arranged between the round burner (5) and the closed area (31) of the grill grate (16).

Description

[0001] The invention relates to a grill having the features of the preamble of claim 1. Furthermore, the invention relates to a grill having the preamble of claim 2.

[0002] Grills are used to cook food. They have a heat source that heats the food on a grill rack positioned above the heat source or in a cookware placed on a pan rack.

[0003] An example of a grill is the "Explorer" gas grill from Enders. This gas grill has a tray that serves as the combustion chamber. The top of the gas grill is closed with a lid. Inside the tray, the gas grill has two heat sources, which are designed as gas-powered circular burners. The gas grill has a pot rack above each of the two circular burners, which forms a cooking surface on which cookware can be heated by the respective heat source. The gas grill is in a cooking configuration for heating cookware. The grill also has a halved grill grate that is attached to the burner tray above the cooking surface. When the grill is switched to its grill configuration, the grill grate halves are placed above the heat sources and above the pot rack. This provides a grilling surface on which food can be grilled.

[0004] The grill grate features grate ridges. To protect the heat sources, or rather the circular burners, from liquids dripping from the food on the grill grate, the grill grate is designed to be closed in the area above the heat sources. This means that the space between the grate ridges is filled, creating a profiled cooking surface in this area.

[0005] Round burners are designed to heat cookware without the flames extending beyond the base of the cookware, such as the bottom of a pot. This would lead to unwanted sooting of the cookware wall. Furthermore, the heat transfer to the base of the cookware would not be optimized. Round burners are therefore characterized by a quasi-point heat emission, meaning the heat is concentrated on a relatively small, usually circular area. The heat distribution within the cookware is handled by the base of the cookware, which is usually made of a particularly heat-conductive material.

[0006] A grill grate, on the other hand, doesn't provide this level of thermal conductivity. Therefore, when grilling, it's necessary to apply heat as evenly as possible from below to the entire grill surface to generate an acceptable grilling experience. This contradicts the current state of the art, which uses circular burners as heat sources in grills.

[0007] To counteract this problem, the “Explorer” gas grill is designed to have two round burners arranged next to each other at a short distance from each other, so that the grill surface is heated evenly by the interaction of several gas burners.

[0008] However, providing two round burners for the relatively small cooking area entails increased complexity in terms of design and safety features. It also makes the gas grill heavier.

[0009] In addition, grilling on the closed area of ​​the grill grate is sometimes perceived as difficult, especially if the food to be cooked releases a lot of liquid during the cooking process.

[0010] Against this background, the invention aims to further develop the above-described design to achieve better heat distribution while simultaneously reducing weight and simplifying assembly. Furthermore, it aims to positively influence the grilling experience.

[0011] According to a first solution, the two stated objects are achieved by a grill having the features of claim 1. According to a second solution, the object is achieved by a grill having the features of claim 7.

[0012] A combination of the first solution with the second solution is particularly advantageous. Further advantageous embodiments emerge from the dependent claims and the description.

[0013] When reference is made to “top” or “bottom” in this explanation, this is to be understood in relation to the grill in its position of use.

[0014] The starting point for both solutions is a grill, which can be operated in a grill configuration. In this configuration, it is designed to grill food on a grate positioned above the heat source. Optionally for the first solution and mandatory for the second, the grill can also be operated in a cooking configuration. In the cooking configuration, it is designed to heat cookware.

[0015] According to the first solution, the grill is designed to have a circular burner designed for central heat distribution. This is preferably gas-powered. In principle, it can also have shapes other than circular; it simply needs to be designed to properly heat cookware, especially a pot, with its flame pattern.

[0016] This creates the problem of distributing the localized heat from the circular burner over the larger surface of the grill grate for grilling. For grilling, a grill grate with grill bars is arranged above the circular burner. Above the circular burner, there is an area where the space between two adjacent grill bars is closed, creating a grilling surface in sections.

[0017] A special feature is that an at least partially closed diffuser plate is arranged between the round burner and the closed area of ​​the grill grate. Typically, the diffuser plate projects over the round burner and is itself projected over by the closed area of ​​the grill grate, both in a top view. The diffuser plate is directly heated by the round burner. As it heats up, the diffuser plate itself becomes a heat radiator, which, however, due to the heat conduction inherent in the diffuser plate, already covers a larger area than the localized heat emission of the round burner. Furthermore, the heat radiation is not only directed directly upwards - like the hot exhaust gases from the round burner that transport the heat - but also radiates in lateral directions, thus achieving heat distribution.The diffuser sheet can also be designed as a red-hot body, which means that it becomes red-hot during operation, at least in sections.

[0018] The heat radiation, which has already been distributed by the diffuser plate, but cannot be considered completely evenly distributed across the diffuser plate, is then directed toward the closed area of ​​the grill grate. Through the connection between the grate bars in the closed area, the heat directed toward this area is further distributed through heat conduction. Even though this heat conduction is significantly poorer than that within a cooking pot base, the combination of the diffuser plate achieves sufficient heat distribution across the grill grate.

[0019] The heat provided centrally by a round burner is thus distributed gradually, first through the diffuser plate and then through the closed area of ​​the grill grate into the grill surface, so that the heat distribution is homogenized and even a larger grill surface can be operated effectively with a single round burner.

[0020] Preferably, the diffuser plate is roof-shaped. The diffuser plate can be curved or tapered. Due to the inclination relative to the horizontal, the diffuser plate can cleverly direct the hot exhaust gases emitted by the circular burner, for example, into areas that would otherwise not be sufficiently heated by the heat source. For this purpose, the diffuser plate is usually designed to project over the circular burner in a plan view. If the diffuser plate itself is designed to project over the closed area of ​​the grill grate in a plan view, the exhaust gases directed radially by the diffuser plate also flow along the closed area of ​​the grill grate and thus additionally heat the area of ​​the grill grate that is located further radially outwards. The closed area of ​​the grill grate is therefore larger in its outer dimensions than that of the diffuser plate.In this context, it is preferably provided that the edge of the grill grate has an area in which the grate bars are separated from one another, so that the hot exhaust gases from the burner can escape and thus directly reach the food to be cooked on the grill grate.

[0021] The grill grate can be designed with edge areas that are further away from the circular burner than other edge areas of the grill grate. In this case, the grilling surface provided by the grill grate can be described by two semi-axes of different lengths. The grilling surface is then approximately rectangular (not square) or elliptical or another similar shape. In this case, it is particularly intended that the diffuser sheet be designed with a uniaxial curvature, meaning it has exactly one ridge, which represents the highest area of ​​the diffuser sheet. The direction of the ridge then preferably points in the direction of the longer semi-axis of the grill surface.In this way, the exhaust gases emitted by the circular burner are guided through the inclined surfaces of the diffuser plate to the ridge and forwarded along the ridge straight into the areas of the grill surface that are particularly far away from the circular burner, so that a sufficiently high temperature for cooking food is also provided in these areas.

[0022] At the same time, the inclined surfaces of the diffuser plate point with their surface normals in the direction of the part of the grill surface that is arranged along the shorter semi-axis. The distance between the part of the grill surface that is in the area of ​​the distal end of the shorter semi-axis and the diffuser plate is shorter than the part of the grill surface that is in the distal area of ​​the longer semi-axis. The heat radiation emitted by the diffuser plate therefore only has to bridge a shorter path before it hits the grill grate, so that the heat radiation emitted by the diffuser plate is used particularly effectively. The orientation of the diffuser plate towards these areas is therefore beneficial.

[0023] To further homogenize heat distribution on the grill grate, one or more openings can be provided in the diffuser plate outside the area aligned with the burner in a plan view, through which the hot exhaust gases from the burner can flow upwards. This allows the exhaust gases to be distributed in a targeted manner and directed to the grill grate in a controlled manner, preventing the sudden heat impact on the grill grate at the edge of the diffuser plate from the exhaust gases flowing vertically upwards over the edge, resulting in a heat imprint on the grill surface. In particular, openings are provided in the area of ​​the ridge if the diffuser plate is roof-shaped.

[0024] The diffuser plate is preferably made of steel, particularly stainless steel. Although the thermal conductivity of stainless steel is not optimal, this is actively utilized in the present case to concentrate the heat on the central area of ​​the diffuser plate, allowing it to become an effective heat radiator and, under certain operating conditions, a red-hot body in certain areas, while the remaining part acts as a guide plate for the exhaust gases.

[0025] A grill that fulfills the aforementioned task is also one that is designed to be converted into a grilling configuration and a cooking configuration. In the grilling configuration, it has a grill grate arranged above the heat source; in the cooking configuration, it has a pan support arranged above the heat source, on which a cookware item can be heated by the heat source.

[0026] The grilling level is located above the cooking level. In this configuration, a diffuser plate, preferably as explained in more detail above, is also provided between the grill grate and the heat source. The diffuser plate also serves to improve heat distribution and, in addition, to protect the heat source from liquids dripping from the grill grate, should the grill grate not be closed above the heat source in this configuration, which is preferred.

[0027] A unique feature is that the diffuser plate is attached to the pan support, which is normally used in the cooking configuration. The diffuser plate is thus supported using existing support, allowing for easy, tool-free assembly and disassembly, even for transport purposes, and simplifying the overall assembly of the grill.

[0028] In this context, it is particularly preferred that the diffuser sheet rests on the pot rods. For this purpose, the diffuser sheet can have downwardly beveled feet. The support surface on the diffuser sheet side is then provided by the end face of the feet. This minimizes the contact area between the diffuser sheet and the pot rods, resulting in only minimal heat transfer between the diffuser sheet and the pot rods. This ensures that the above-described suitability of the diffuser sheet for forming a heat radiator is not counteracted by heat dissipation via the contact point with the pot rods.

[0029] Preferably, at least one, and preferably all, of the feet with which the diffuser sheet rests on the pot rods have a notch for enclosing the pot rods from the sides. This ensures a secure hold on the pot rods.

[0030] In a further embodiment, the pan rod assembly has a stop lug that usually acts in a radial direction relative to the diffuser plate and limits the movement of the diffuser plate extended on the pan rod assembly. The stop lug can be designed, for example, in that the upwardly facing contour of the pan rod assembly forming the cooking plane has a recess, with the notch thus formed usually forming a lug in the region of the distal end of the pan rod assembly pointing in the radial direction. In another embodiment, it can be provided that a flange is provided that projects from the radially facing extension of the pan rod assembly and lies in the cooking plane. In this way, a flat cooking plane is provided; the formed lug then lies just below it or can be part of it.The diffuser sheet is then designed accordingly, for example with respect to at least one foot, so that it hits the nose, for example over the feet, in order to reliably prevent the diffuser sheet from slipping.

[0031] The pan support can be designed in two parts and comprises two brackets, each of which is attached to the grill below the cooking surface in a respective receptacle with an end section. To ensure correct orientation during assembly, particularly by a user of the grill if the grill is designed to be portable, which is preferred, the end section has a contour corresponding to the receptacle, allowing insertion only in a predetermined orientation. This provides a poka-yoke structure to ensure the intended correct use of the pan support.

[0032] For example, the receptacle and the corresponding end section can be oval in shape, with the long semi-axis oriented radially relative to the heat source, particularly the circular burner. Such a shape is easy to cast and, moreover, self-centering, simplifying assembly.

[0033] The invention is explained in more detail with reference to the accompanying figures. They show: Fig. 1: An inspection of a portable table grill in a first use position, Fig. 2: the grill in a second use position, Fig. 3: the grill in a third position of use, Fig. 4: the grill in the third use position in a sectional view, Fig. 4a: a detailed view of the Fig. 4 part of the grill shown below right, Fig. 5: the grill in its transport position as an insight into the device, Fig. 6: the grill in its transport position with the grill grate attached, Fig. 7: the grill in its final transport position, Fig. 8: the Fig. 1 shows the grill shown in its third use position in a grill configuration, but with the grill grate and windscreen hidden, thus depicted in its first use position, but with a diffuser plate mounted on the pot rod, Fig. 9: the Fig. 8 shown configuration, but additionally with attached wind protection attachment, thus according to the type of second use position and Fig. 10: The grill pan in a view with the burner inserted and the grease tray removed.

[0034] Fig. 1 shows a view of a grill 1 designed as a portable table grill. The grill 1 comprises a dimensionally stable, one-piece tub 2 manufactured as a cast part with a base 3 and side walls 4 formed thereon.

[0035] A heat source 5, here designed as a circular burner, is provided in the tank 2. The circular burner 5 is inserted into a burner mount 7 on a burner dome 6. The burner is supplied with fuel gas via a burner tube 8 using a fuel gas cartridge (not shown here); the Venturi nozzle 9 required to form the fuel gas mixture is arranged outside the tank 2 on the burner tube 8.

[0036] In the Fig. In the first use position of the grill 1 shown in Figure 1, a pot rack 10 is provided above the heat source 5, on which a cooking utensil can be placed and heated by the heat source 5. A grease drip tray 11 is inserted at the bottom of the pan 2, which collects liquids dripping from the cooking level above the heat source 5, such as fat from food to be grilled or water boiling over from a cooking utensil.

[0037] Fig. 2 shows a second use position of the grill 1. A dimensionally stable windshield attachment 12, also designed as a cast part, is placed on the pan 2, or rather on its wall 4. This windshield attachment 12 is ring-shaped and its shape is adapted to the shape of the pan 2, or rather to the arrangement of the walls 4 of the pan 2, so that the space enclosed by the pan 2 is enlarged upwards by the windshield attachment 12. The cooking level provided by the upper end of the pan rod 10 is enclosed by the windshield attachment 12.

[0038] The wind protection attachment 12 has a circumferential flange 13 in its front area 15 facing the tub 2, which projects outwards from the wind protection attachment 12. As shown in Fig. 4, the wind protection attachment 12 rests with the flange 13 on the upper edge 14 of the wall 4 of the tub 2. Furthermore, the wind protection attachment 12 projects into the tub 2 with its front end 15 facing the tub 2 and contacts the wall 4 of the tub 2 on the inside. The front end 15 and the flange 13 thus form an edge-guided mounting receptacle on the wind protection attachment side, by which the wind protection attachment 12 is securely held on the tub 2 both horizontally and vertically.

[0039] A third usage position is in Fig. 3; a sectional view of the Fig. 3 represents Fig. 4. A grill grate 16 is placed on the wind protection attachment 12 placed on the tub 2. The grill grate 16 is supported on support surfaces 17 designed as vertical ribs 23, which are Fig. 2 and Fig. 4, and is thus supported on the wind protection attachment 12. In this position of use, the grill grate 16 is slightly recessed from the upper edge 18 of the wind protection attachment 12 into the space enclosed by the wind protection attachment 12, so that a threshold 19 is provided by the upwardly facing end of the wind protection attachment 12. In Fig. 3 shows a lid 20 used here as a tray, which in this position of use has no significant function with respect to the grill 1 (see below).

[0040] By securing the grill grate 16 to the windshield attachment 12, the distance between the heat source 5 and the grill grate 16 is significantly increased compared to an arrangement in which the grill grate 16 would be held on the upward-facing edge of the pan 2; at the same time, its secure mounting is ensured. Furthermore, the grill grate 16's external shape fits into the windshield attachment 12, so that the combustion chamber enclosed by the pan 2 and the windshield attachment 12 is essentially completely covered by the grill grate 16.

[0041] For transporting the grill 1, it is provided that it is placed in a transport position. This transport position of the grill 1 is shown in the Fig. 5 to 7.

[0042] Fig. 5 shows a view into the tub 2 of the barbecue device 1 in its transport position: The wind protection attachment 12 has been removed from the upper edge 14 of the wall 4 of the tub 2 and rotated about a horizontal axis, so that the edge 18 pointing upwards in the use position now points downwards and the connecting mechanism pointing towards the tub 2 in the use position, comprising the circumferential flange 13 and the front end 15 of the wind protection attachment 12, here in particular the corresponding front end 15, points upwards in the transport position. The outwardly projecting flange 13 of the wind protection attachment 12 now rests with its other side on the upper edge 14 of the wall 4 of the tub 2. The wind protection attachment 12 is thus essentially received by the tub 2 and inserted into it.The height of the grill device 1 in the transport position is thus compact despite the wind protection attachment 12 being usable in a use position and stowed in the grill device 1 in the transport position.

[0043] To operate the grill 1 in the Fig. 5, the opening 21 in the wall 4, which is necessary for the user-side installation of the burner 5 and through which the burner tube 8 is passed in the position of use, is closed by the wind protection attachment 12.

[0044] The wind protection attachment 12 also has, when oriented in the transport position, upwardly facing support surfaces 22, or rather the end faces of the ribs 23 opposite the support surfaces 17, onto which the grill grate 16 is placed in the transport position, thus closing off the volume enclosed by the tub 2 at the top. The additional utensils necessary for operating the grill 1, such as the pot rod 10 and the burner 5, as well as the gas cartridge, which is not shown in the figures, can be placed into the volume, thus providing an overall self-contained box, inside which the parts can be safely transported.

[0045] As in Fig. 6, in the transport position of the grill 1, the upwardly facing end of the grill grate 16 protrudes slightly, approximately by a few millimeters, over the upwardly facing edge 15 of the wind protection attachment 12. The support surfaces 22 pointing upwards in the transport position are positioned accordingly, that is: the support surfaces 22 pointing upwards in the transport position are closer to the edge 15 of the wind protection attachment 12 pointing upwards in the transport position than the support surfaces 17 pointing upwards in the use position are closer to the edge pointing upwards in the use position, as in Fig. 4 can be recognized.

[0046] To close the top of the grill 1 in the transport position, the lid 20, which can also be used as a cutting board in this position, is placed on top and clamped with an elastic belt 24 to the tub 2, or to anchoring lugs 25 pointing downwards in the lower area, arranged opposite to the bottom 3 of the tub 2 and essentially aligned with the respective wall 4, so that the grill grate 16 is pressed onto the support surfaces 22 (see Fig. 7). It should be noted that the cover 20 is positioned in a different direction than shown in Fig. 3 is rotated about a horizontal axis so that the side walls of the tray forming the lid 20 enclose the upper end of the grill 1. This prevents the grill grate from rattling during transport.

[0047] The heat source 5, designed as a circular burner in the exemplary embodiment, emits the heat in a locally focused manner, so that a pot (not shown in the figures) can be heated on the pot rod 10 in the cooking level provided by the upper end of the pot rod 10, without the flames of the heat source 5 spreading over the edge of the cookware and causing soot to form there. This focused heat emission is, however, disadvantageous for operation in the grill configuration, i.e. with the grill grate 16 attached on top, since the significantly lower heat conduction of the grill grate 16 compared to a cookware base means that the heat distribution cannot be homogenized. As a result, the grill grate 16 can essentially only be used effectively above the heat source 5.

[0048] To counteract this, a diffuser plate 30 made of steel, in particular stainless steel, is provided above the heat source 5 below the grill grate 16. The diffuser plate 30 is arranged between the heat source 5 and the closed area 31 of the grill grate 16, i.e., the area of ​​the grill grate 16 in which the space between two adjacent grate bars is closed. The diffuser plate 30 projects over the heat source 5, which is designed as a circular burner; the grill grate 16, in turn, projects over the diffuser plate 30, both in a top view.

[0049] The heat emitted by heat source 5—here: the flame and the hot exhaust gases from the circular burner—heats diffuser plate 30. Through heat conduction within diffuser plate 30, the heat is distributed throughout the plate; at the same time, diffuser plate 30 itself becomes a heat radiator. The heat radiation emitted by diffuser plate 30 is passed from this distributed area to the closed area 31 of grill grate 16, where it can be further distributed via heat conduction through the direct connection of the adjacent grate bars. This already improves heat distribution across grill grate 16.

[0050] In addition, the hot exhaust gases are guided to the outside through the diffuser plate 30, as in particular in Fig. 8: The diffuser plate 30 is roof-shaped; it has a uniaxial ridge 32. The grilling surface provided by the grill grate 16 is rectangular (not square). The direction of the ridge 32 points in the direction of the longer semi-axis of the grilling surface provided by the grill grate 16. The hot exhaust gases emitted by the heat source 5 are collected under the roof-shaped diffuser plate 30 in the area of ​​the ridge 32 and from there are directed to the radially outer areas of the grilling surface provided by the grill grate 16. There they encounter the closed area 31 of the grill grate 16 and further heat the grill grate 16 in this area. This maximizes the efficiency, namely the utilization of the energy emitted by the heat source 5.

[0051] In order to prevent a heat imprint from being created on the grill grate 16 in alignment with the outer edge 33 of the diffuser plate 30 as a result of the hot exhaust gases emitted by the heat source 5 being directed to the outer edge 33 of the diffuser plate 30 and then flowing vertically upwards in a concentrated manner, it is provided to introduce one or more openings 34 into the diffuser plate 30. These are particularly suitable in Fig. 9. The openings 34 are arranged outside the area of ​​the diffuser plate 30, which in a plan view is aligned with the heat source 5 designed as a circular burner, including in the area of ​​the ridge 32 of the diffuser plate 30.

[0052] The diffuser plate 30 is, as in Fig. 8, the diffuser plate 30 is supported on the pot rod 10 by feet 35, here four, which are bent from the diffuser plate 30, so that the diffuser plate 30 is placed on the pot rod 10. As a result, the diffuser plate 30 rests on the pot rod 10 only with the end face of the feet 35, so that the heat introduced into the diffuser plate by the heat source 5 does not flow into the pot rod 10; thermal separation is provided by the small contact cross-section between the foot 35 and the pot rod 10.

[0053] To ensure that the diffuser plate 30 is securely held on the pan support 10, the feet 35 have recesses 36 corresponding to the width of the pan support 10, so that the feet 35 laterally enclose the pan support 10. Furthermore, the pan support 10 itself has lugs 37 pointing radially outwards relative to its provided cooking level (in Fig. 1). The lugs 37 are formed by the pot rod 10 being recessed in its upwardly directed contour, which provides the cooking surface; the resulting notch is in Fig. 1 with reference numeral 38. This provides a nose-side stop surface, preventing the feet 35 of the diffuser plate 30 from slipping off the pot rod 10.

[0054] The pan rod 10 is in this case formed in two parts and comprises two brackets 39, 40. The two brackets 39, 40 are identically constructed. Since the brackets 39, 40 can be removed from the tub 2 in order to transfer the grill 1 into its transport position, the brackets 39, 40 are held in receptacles 41 on the bottom 3 of the tub 2 in the area of ​​the burner dome 6. These receptacles 41 are particularly Fig. 10, in which the grease drip tray 11 and the pot rod 10 are dismantled.

[0055] The receptacles 41 for receiving the end sections of the brackets 39, 40 of the pot rod 10 have an oval contour. The long axis of the contour points radially relative to the heat source 5. The end sections of the brackets 39, 40 are designed accordingly, i.e., they have corresponding oval contours arranged at a 90° angle to each other.

[0056] This ensures that the brackets 39, 40 are positioned as shown in Fig. 1 provided a pot cross overall and not an outwardly framed receptacle (not shown in the figures).

[0057] During operation of the grill 1, the air surrounding the heat source 5 rises due to its heating. This creates a local negative pressure in the area below the heat source 5, or rather in the area of ​​the burner dome 6. At the same time, it is precisely the burner dome 6 that is particularly heated by the heat source 5. The burner dome 6 also releases this heat downwards, so that the base (not shown in the figures) on which the grill 1 stands also heats up.

[0058] To counteract this, it is intended that in the area of ​​the transition 50 between the floor 3 and the wall 4 to which the longer semi-axis of the tub 2 points (in Fig. 4 and Fig. 4a, the wall shown on the right), a nozzle-like opening 51 is introduced. This nozzle-like opening 51 leads into the interior of the pan 2, namely into an intermediate space 52, which is enclosed as an air-filled thermal insulation barrier between the floor 3 of the pan 2 and the grease collecting pan 11; the grease collecting pan 11 represents an intermediate floor. Through the nozzle-like opening 51, the air is accelerated from the wall 4 towards the heat source 5, or rather the burner dome 6. In the area of ​​the heat source 5, or rather around the burner dome 6, as shown in the Fig. 1 and Fig. 5, the grease collection tray 11 has a large opening spanning the burner dome 6, through which the air from the heat source 5 is drawn in from the intermediate space 52. The cold air accelerated through the nozzle-like opening 51 toward the heat source 5 or burner dome 6 flows around the burner dome 6 and cools it. The bottom 3 of the tray 2 is also cooled on the way from the nozzle-like opening 51 to the burner dome 6.

[0059] In Fig. 4 it can be seen that the nozzle-like opening 51 in the direction of the trough 2 widens in a funnel shape in its upper region with respect to the flow direction in order to reduce turbulence.

[0060] Because the air is accelerated from the nozzle-like opening 51 towards the burner dome 6, it reaches the burner dome 6 while still cool and is not heated in the intermediate space 52 by the heat radiated from the heat source 5 onto the grease collecting tray 11 due to a slow flow velocity.

[0061] Attached to the wall 4, to which the longer semi-axis points, or in the area of ​​the transition 50 from the floor 3 to this wall 4, is a base 53 supporting the tub 2 for placing the grill 1 on a base. The base 53 is designed as a foot shell that surrounds the tub 2 in sections, namely on the underside, as shown in the Fig. 4 and Fig. 4a can be seen.

[0062] In Fig. 1 shows that an air gap 54 is provided between the upper edge of the foot part 53 and the tub 2. This air gap 54 is part of the Fig.4 or 4a: Ambient air is drawn in through this; it opens into a relaxation chamber 55. The relaxation chamber 55 is enclosed by the foot part 53 and the tub 2. From this relaxation chamber 55, the air is further directed through the nozzle-like openings 51 into the tub 2. The relaxation chamber 55 also serves as a deposition chamber for foreign bodies introduced through the air gap 54, thus preventing the foreign bodies from entering the interior of the tub 2 through the nozzle-like openings 51.

[0063] The air gap 54 is arranged offset above the nozzle-like openings 51, which further results in foreign bodies drawn in with the air flow being collected in the expansion space 55.

[0064] The invention has been described using an exemplary embodiment. Without departing from the scope of protection defined by the applicable claims, numerous further embodiments for implementing the inventive concept will become apparent to those skilled in the art without the need for further explanation within the scope of these statements. List of reference symbols 1 grill 2 tubs 3 Floor 4 wall 5 Heat source, especially round burner 6 Brenner Dome 7 Burner holder 8 burner tube 9 Venturi nozzle 10 pot rods 11 Grease drip tray 12 Windshield attachment 13 Flange 14 Upper edge of the tub wall 15 Front end of the wind protection attachment facing the tub in the position of use 16 Grill grate 17 Support surface in use position 18 Upper edge of the windscreen attachment in the use position 19 Threshold 20 lids 21 Opening in the wall of the tub for the burner tube 22 Support surface in transport position 23 rib 24 belt 25 Anchoring nose 30 diffuser sheet 31 closed area of ​​the grill grate 32 Ridge of the diffuser sheet 33 Outer edge of the diffuser sheet 34 Opening in diffuser sheet 35 feet of diffuser sheet 36 Recess of the base of the diffuser plate 37 Nose of the pot rod 38 Notch in front of the nose of the pot rod 39, 40 Bracket of the pot rod 41 Holder for pot rods 50 Area of ​​transition from floor to wall 51 nozzle-like opening 52 space 53 Footboard 54 Air gap 55 Relaxation room

Claims

[1] Barbecue (1) with a round burner (5) and a grill grate (16) arranged above the round burner (5) with grate bars, wherein the area (31) between two adjacent grate bars is closed in the area above the round burner (5), characterized by that an at least partially closed diffuser plate (30) is arranged between the round burner (5) and the closed area (31) of the grill grate (16). [2] Grilling device according to claim 1, characterized by that the diffuser sheet (30) is roof-shaped. [3] Grilling device according to claim 2, characterized by that the two semi-axes of the grill surface provided by the grill grate (16) are of unequal length and the direction of the ridge (32) of the diffuser sheet (30) points in the direction of the longer semi-axis. [4] Grill according to one of claims 1 to 3, characterized bythat the diffuser plate (30) has one or more openings (34) outside the area aligned with the round burner (5) in a plan view, through which the hot exhaust gases of the round burner (5) can flow upwards. [5] Grill according to one of claims 1 to 4, characterized by that the diffuser sheet (30) is made of a steel, in particular a stainless steel. [6] Grill according to one of claims 1 to 5, characterized by that in a plan view the diffuser plate (30) projects over the round burner (5) and is itself projected over by the closed area (31) of the grill grate (16). [7] Grilling device (1), in particular according to one of claims 1 to 6, with a heat source (5), such as a round burner, which grilling device (1) in a grilling configuration has a grill grate (16) arranged above the heat source (5), which forms a grilling level, and in a cooking configuration has a pot rod (10) arranged above the heat source (5), which forms a cooking level for heating cookware by the heat source (5), wherein the grilling level is arranged above the cooking level, characterized by that in the grill configuration, a diffuser plate (30) is arranged between the heat source (5) and the grill grate (16), which is closed at least above the heat source (5) and protects the heat source (5) from liquids dripping down from the grill grate (16), which diffuser plate (30) is held on the pot rod (10). [8] Grill according to claim 7, characterized bythat the diffuser plate (30) has bent feet (35) with which it stands on the pot rod (10). [9] Grilling device according to claims 7 and 8, characterized by that the pot rod (10) has a stop lug (37) for supporting the diffuser sheet (30) in the horizontal direction. [10] Grill according to one of claims 7 to 9, characterized by in that the pot rod (10) is multi-part, in particular two-part, and comprises several, in particular two brackets (39, 40), which are each fastened to the grill device below the cooking level in a respective receptacle (41) with an end section, and wherein, to ensure correct orientation during assembly by a user, the end section has a contour corresponding to the receptacle (41) which allows insertion in only one orientation.

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