EP3667178B1 - Vapour extraction device and kitchen appliance with cooking hob and vapour extraction device - Google Patents

Description

The present invention relates to an extractor device and a kitchen appliance with a hob and an extractor device.

To clean fumes and vapors that arise when cooking on a hob, it is known to use extractor hoods that are attached above the hob, for example on a room wall. These extractor hoods suck the fumes and vapors upwards. In addition, so-called trough ventilation or downdraft devices are also known, in which vapors and vapors are sucked off downwards.

In the DE 10 2011 079 306 A1 describes a fan device for installation in a worktop. The fan device includes a fan device for sucking off fumes from below the worktop and at least one cover element. The cover element can be pivoted and/or vertically adjusted between a closed state and an open state. In the closed state, the at least one cover element rests on the worktop at least on an edge section.

In the DE 10 2009 025 038 A1 discloses a device for extracting cooking vapors in a direction pointing vertically below a cooktop plane, with a cooking vapor inlet device that can be opened and closed reversibly. The device comprises at least one one-part or multi-part, removable cover-shaped closing device for the reversible closing of the inlet opening of the cooking vapor inlet device.

In the DE 10 2013 206 748 A1 describes a grate for a suction opening of a fume extraction device, which has a grating that has at least one opening that extends from the top of the grating to the underside of the grating. The grate has on the underside of the grating spaced from the outer edge of the grate at least one web which is inclined to the surface of the grating at an angle of greater than zero.

A downdraft ventilation is for example in the DE 10 2010 042 436 A1 described. With this downdraft ventilation, an extractor hood that can be extended vertically from a hob is used.

A disadvantage of this device is that the efficiency of the extractor device is low because the extraction opening is large and therefore clean air is also sucked in in addition to the vapors to be captured, the extractor hood is difficult to clean and the downdraft ventilation also has a complex structure.

It is therefore the object of the present invention to provide an extractor device which, with a simple structure, increases the efficiency of vapor capture and which is also easy to clean.

According to a first aspect, the object is achieved by a fume extraction device with a suction shaft, in the upper end of which an air inlet opening and at least one passage opening is formed, and at least one vapor trap mounted in the suction shaft with at least one suction gap. The vapor trap consists of at least two flat screen elements that are flat and arranged parallel to one another, with the suction gap being formed between the screen elements, the at least two screen elements partially protrude beyond the passage opening of the suction shaft, the at least two screen elements are detachably and fixedly mounted in the suction shaft and one of the at least two screen elements has a larger area than the at least one other screen element.

An extractor device is a device by means of which vapors and vapors can be extracted from a hob or a work surface and preferably cleaned. The fume extraction device includes a suction shaft and a vapor trap. In addition, the fume extraction device preferably comprises at least one fan or is connected to a fan, via which negative pressure is generated, by means of which the vapors and fumes can be sucked into the vapor catcher and above it into the suction shaft. In addition, the fume extraction device preferably includes at least one filter element, for example in the suction shaft can be arranged and where impurities such as fat or liquid particles can be separated from the vapors and vapors.

According to the invention, the suction shaft has an air inlet opening. The air inlet opening is formed in the upper end of the suction shaft. In addition, at least one passage opening is formed in the upper end of the suction shaft, through which the at least one screen element extends upwards. Since at least two screen elements are provided, at least two passage openings are formed in the upper end of the suction shaft. If the suction shaft is open at the top, the passage openings and the air inlet opening are both in the opening formed by the upper edge of the suction shaft, that is to say they form this opening together. The screen elements that make up the vapor trap are preferably located at the edge of the opening that is formed by the upper edge of the suction shaft. The edge areas of this opening are therefore referred to as passage openings. The air inlet opening is therefore formed by the distance between the screen elements in the opening formed by the upper edge of the suction shaft. In this embodiment, there is no frame or other separation between the air inlet opening and the passage openings. According to one embodiment, however, it is also possible for the upper end of the suction shaft to be covered by a cover plate in which at least two slits, which represent the passage openings, are introduced, through which at least one screen element protrudes upwards from the suction shaft. In addition, in this embodiment, an opening is made in the cover plate, which represents the air inlet opening. This can be adjacent to the through-openings and the air inlet opening is between the through-openings.

Unless otherwise stated, directions given above and below refer to an installed extractor hood. In particular, this information relates to a fume extraction device in which the upper end of the suction shaft and thus also the passage openings are in the horizontal.

The suction shaft preferably extends vertically downwards from the passage opening. The suction shaft can also be referred to as a suction channel and is connected to the fan of the vapor extraction device at the end that faces away from the upper end or the fan connected to it. A vapor trap is mounted in the suction shaft. The vapor trap has at least one suction gap, which can also be referred to as the suction gap. According to the invention, vapor trap means that part of the fume extraction device via which air is conducted from one or more suction gaps to the air inlet opening and thus into the suction shaft.

According to the invention, the vapor trap consists of at least two flat screen elements. The parts that together form the suction tract of the vapor catcher are referred to as screen elements. In particular, the parts that form the at least one suction gap and an air line to the suction shaft are referred to as screen elements. The screen elements represent panels that are planar.

The screen elements are arranged in such a way that the distance between the screen elements is the same over their height. The flat screen elements are therefore aligned parallel to one another.

The screen elements are preferably made of a transparent material. For example, the screen elements can be made of glass or plastic. The screen elements are also referred to below as panes.

In the vapor extraction device according to the invention, the suction gap is formed between the screen elements. The suction gap can be formed here by the distance between the surfaces of the screen elements. The suction gap is preferably formed by the distance between the corresponding edges of two screen elements. For example, part of the suction gap or the entire suction gap can be formed by the distance between the upper edges of two adjacent screen elements. The distance can lie in the horizontal or be inclined to this. Another part of the suction gap can be formed, for example, by the distance between the side edges of two screen elements. This part of the suction gap can be vertical or inclined to it.

According to the invention, the at least two screen elements protrude beyond the passage openings of the suction shaft. In this case, the screen elements protrude upwards beyond the passage openings.

In addition, the at least two screen elements are, according to the invention, detachably mounted in the suction shaft. A detachable mounting is a fastening that can be released without tools, ie in which the screen element can be removed from the vapor extraction device without tools. Each screen element is preferably attached separately in the suction duct. The fastening can be, for example, pushing in, clamping in or latching the screen element to a fastening element. For example, the fastening element can be a rail into which the screen element can be inserted. The screen elements can be detached from the fastening element and thus from the extractor device separately from one another. According to the invention, the mounting of the screen elements is fixed. In particular, therefore, the at least one fastening element is firmly attached to the extractor device and in particular firmly to the suction shaft.

A number of advantages can be achieved by using at least two flat screen elements according to the invention, the suction gap being formed between the screen elements, the screen elements protruding upwards over the passage openings of the suction shaft and the at least two screen elements being detachably and fixedly mounted in the suction shaft. The areas of the screen elements that protrude beyond the passage openings of the suction chute form the air guidance of the air from the suction gap to the suction chute, in particular to the air inlet opening. Since the screen elements are also mounted detachably in the suction shaft, they can be easily removed from the fume extraction device. When removed, the screen elements can be cleaned in a dishwasher, for example. When extracting fumes and vapors, impurities will be deposited on the screen elements. Since the screen elements can be removed from the vapor extraction device without tools and cleaned, they can act as filters, i.e. be used to separate contaminants. The screen elements are particularly preferably held at least partially in the suction shaft and in particular on the fastening element by their own weight. In particular in the case of screen elements made of glass, the high inherent weight can ensure a secure hold, for example in a rail. The construction of the vapor extraction device is simplified by the disc elements being held fixed in the vapor extraction device. In particular, no movement devices such as drives and motors are necessary. Also reduce the size of the vapor extraction device and thus the space required for it.

According to the invention, one of the at least two screen elements has a larger area than the at least one other screen element. In particular, the rear screen element, ie the screen element facing away from a hob, is larger than the front screen element(s). In particular, the larger screen element has a greater width and greater height than the at least one further screen element. The lower edges of the at least two screen elements are preferably at a common height. In this embodiment, the top edge of the front screen element(s) is lower than the top edge of the rear screen element. If only two screen elements are provided, the screen elements are arranged in relation to one another in such a way that their width centers lie on a line. If two front screen elements are provided, their width is preferably chosen such that the sum of the widths and the distance between the front screen elements is less than the width of the rear screen element.

Because a screen element, preferably the rear screen element, has a larger area, the suction gap is increased in its height direction. In particular, the suction gap in this embodiment is inclined from the horizontal and extends from the edges of the smaller screen element or elements to the edges of the larger screen element. In addition, this embodiment also allows air to be drawn in laterally, ie via the distances between the outer side edges of the front screen element or elements and the side edges of the rear screen element.

According to one embodiment, the upper edges of the at least two screen elements are at different heights above the passage openings of the suction shaft. The screen element, the upper edge of which is at a lower level, preferably faces the hob and the screen element, the upper edge of which is at a higher level, is located behind this screen element. This ensures that vapors are sucked in reliably. On the one hand, the size of the suction gap formed between the upper edges of the screen elements is larger than in the case of screen elements whose upper edges are at the same height. The suction gap is in this case inclined from the horizontal and has a larger size with the same distance between the screen elements. In addition, the suction is also supported in this embodiment in that vapors can be prevented from brushing past the rear screen element due to its greater height above the air inlet opening. In addition, the front screen element, which faces the hob, can be in such a position in the extractor device according to the invention that its upper edge is at a height that corresponds to the height of a cooking vessel on the hob. The suction gap of the fume extractor device is therefore close to the top edge of the cooking vessel and reliable suction can thus be guaranteed. The raised rear screen element can also be used to create a splash guard for a room wall that can be located behind the extractor hood.

However, it is also within the scope of the invention for the upper edges of the at least two screen elements to be at the same height. In this embodiment, the upper edge of the at least two screen elements can be at the same height above the passage openings. This embodiment is particularly preferred when the fume extraction device is arranged between adjacent hobs, since fumes and vapors can be reliably sucked in from both hobs. This embodiment is also advantageous in the case of an extractor device integrated centrally in a cooktop, since vapors and vapors can be reliably sucked in from the cooking zones of the cooktop adjacent to the extractor device.

The suction gap preferably runs at least along the upper edge of at least one of the screen elements and along the side edges of the at least one screen element. In the embodiment in which two front screen elements are provided, the suction gap also extends along the distance between the two front screen elements. In this way, on the one hand, reliable suction can be ensured due to the great length of the suction gap. In addition, a flow can be generated by the lateral and/or central suction, by which the vapor is deflected and the suction is thus further improved.

The extractor device can have two screen elements that form the vapor trap. The invention is therefore described in the following primarily on the basis of an extractor device with two screen elements.

According to one embodiment, however, the fume extraction device has three screen elements. In this embodiment, the screen elements are arranged in such a way that two are laterally adjacent to one another and offset horizontally with respect to the third screen element. If a cover plate is provided at the upper end of the suction shaft, a through-opening for a rear screen element and a separate through-opening or a common through-opening are preferably provided in this cover plate for each front screen element.

Unless otherwise stated, directions such as front or rear refer to an extractor hood that is installed in or on a hob. The front is the direction that faces the hob or a cooking zone, and the rear is the direction that faces away from the hob or a cooking zone.

In the embodiment of the vapor extraction device with three screen elements, the two laterally adjacent screen elements are preferably the front screen elements and the third screen element represents the rear screen element. In particular, the two laterally adjacent screen elements are in front of the air inlet opening of the vapor extraction device and the rear screen element is behind the air inlet opening. Laterally adjacent screen elements are those in which a side edge of one screen element faces a side edge of a further screen element and the two screen elements lie in a common plane. In this embodiment, the third screen element preferably lies in a plane which is offset to the rear from the plane of the first two screen elements. In a particularly preferred manner, there is a spacing between the screen elements that are laterally adjacent to one another. This distance forms another part of the intake gap. In particular, via this part of the intake gap, air flowing against the vapor extraction device from the front can be sucked in horizontally and the flow directed to the intake gap can thus be intensified. In this embodiment, the suction gap is thus at least determined by the distance between the upper edges of the front screen elements and the upper edge of the rear screen element and by the distance formed between the front screen elements. In addition, another part of the intake gap can also be formed between the side edges of the front screen elements, which face away from the other front screen element in each case, and the side edges of the rear screen element.

In the embodiment in which the vapor extraction device has three screen elements, two of which are arranged laterally adjacent to one another and horizontally offset from the third screen element, the horizontally offset third screen element preferably has a larger area than the two laterally offset screen elements. The horizontally offset screen element is preferably the rear screen element and the two adjacent screen elements are the front screen elements.

Preferably, each of the screen elements is received in a fastening element, which is preferably a rail. The fastening element is fixed in the suction shaft. Because the screen element is releasably attached to a fixing element that is fixedly mounted, only the screen element itself is separated from the vapor extraction device when the screen element is removed. The fastening element, on the other hand, can remain in the vapor extraction device. If the fastening element is a rail, then the flat screen element, which is preferably a disc, can be easily pushed into the rail from above and pulled out of the rail for removal. If the rail represents a horizontally running rail, the screen element can be held by the rail at least along the entire lower edge and preferably the lower area of the side surfaces. If the rail is a vertical rail, it is preferably closed at its lower end. The lateral area of the lower edge of the screen element and the lower area of the side edge of the screen element are therefore held on this rail.

According to a preferred embodiment, the screen elements are made of glass. This embodiment is advantageous because the screen elements have a high intrinsic weight. As a result, the screen element can be reliably held in a fastening element, in particular a rail, by its own weight. This further simplifies the structure of the fume extraction device, since the fastening element can be designed in a particularly simple manner and does not have to have any further elements, such as clamping or locking elements. In addition, a screen element made of glass can be cleaned in a simple manner.

According to one embodiment, the suction shaft of the fume extraction device has a depth of less than 120 mm, preferably 90 mm. In this context, the depth is understood to be the dimension of the suction shaft that lies in the direction between the edges on which the screen elements are arranged. Thus, the dimension in the direction perpendicular to the surfaces of the screen elements is understood as the depth of the suction shaft. Such a small depth can be achieved with the vapor extraction device according to the invention, since the vapor extraction device has a particularly simple structure. In particular, drives or motors and guide elements that would be necessary for moving the screen elements are not required according to the invention. Due to the small depth, the extractor device can also be installed, for example, behind a hob that is integrated in the work surface of a row of walls.

According to one embodiment, the fume extraction device comprises at least one lighting device. The lighting device can be provided, for example, on the upper edge or lower edge of at least one of the screen elements and can consist, for example, of light-emitting diodes. If the material of the screen elements is transparent, the light can be coupled into the screen element by an illumination device arranged on the lower edge and the entire screen element can emit the light and thus form a planar illumination. This embodiment can be used particularly advantageously in the fume extraction device according to the invention, since the screen elements project upwards over the passage openings and can therefore function as lighting or design elements.

With suitable processing of the edges and in particular the top edge of one or the screen elements, which consists of transparent material, the light can also be emitted only via the edges and thus serve as a functional light. The screen element or elements also serve as a light guide.

According to a further aspect, the invention relates to a kitchen appliance with at least one hob and an extractor device according to the invention. The extractor device can be connected to the hob. In particular, the control of the extractor device can be connected to the control of the hob. The extractor device is preferably arranged behind the back of the hob and extends in the width direction of the hob. The extractor device preferably extends over the entire width of the hob. The back of the hob is the side that faces away from the side of the hob that faces the user and on which the hob controls are preferably provided. The extractor device can be at a small distance from the back of the cooktop or can be adjacent to the back. The hob is preferably used in a worktop of a kitchen cabinet, in particular a kitchen base cabinet. There is a recess in the worktop behind the hob for the extractor device. The opening of the suction shaft of the fume extractor device, in which the passage opening(s) are provided, is preferably located in the recess.

According to a further embodiment, the extractor device is integrated into the hob. In this embodiment, the upper end of the suction shaft lies in the surface of the hob. In particular, the passage openings and the air inlet opening of the suction shaft are preferably in the middle of the width of the surface of the hob and extend in the depth direction of the hob. A corresponding recess can be made in the hob for this purpose. The upper end of the suction shaft, in which the passage openings are formed, through which the at least two screen elements protrude, lies in this recess. In this embodiment, the screen elements are preferably positioned in such a way that the upper edges of the at least two screen elements are at the same height. However, it is also within the scope of the invention for the screen elements to project upwards at different heights over the passage openings. Because the extractor device is integrated in the hob and is provided in particular in the middle of the width of the hob, vapors from cooking vessels can be reliably extracted from all cooking zones of the hob by the extractor device. In this embodiment, the extractor device and in particular the screen elements are in the immediate vicinity of, for example, four cooking zones.

Advantages and features that are and have been described with regard to the extractor device according to the invention also apply—insofar as applicable—to the kitchen appliance according to the invention and vice versa and are therefore only described once if necessary.

Figur 1:

eine schematische Schnittansicht einer Ausführungsform des erfindungsgemäßen Küchengerätes;

Figur 2:

eine schematische Schnittansicht einer weiteren Ausführungsform eines Küchengerätes;

Figur 3:

eine schematische Perspektivansicht einer weiteren Ausführungsform einesKüchengerätes;

Figur 4:

eine schematische Perspektivansicht des Küchengerätes nach Figur 2;

Figur 5:

eine schematische Perspektivansicht einer weiteren Ausführungsform des erfindungsgemäßen Küchengerätes;

Figur 6:

eine schematische Perspektivansicht einer weiteren Ausführungsform des erfindungsgemäßen Küchengerätes;

Figur 7:

eine schematische Schnittansicht einer weiteren Ausführungsform eines Küchengerätes mit der Dunstabzugsvorrichtung in einer Betriebsstellung; und

Figur 8:

eine schematische Perspektivansicht einer weiteren Ausführungsform des erfindungsgemäßen Küchengerätes mit der Dunstabzugsvorrichtung in einer Betriebsstellung.

The present invention is described again below with reference to the accompanying figures. It shows:

Figure 1:

a schematic sectional view of an embodiment of the kitchen appliance according to the invention;

Figure 2:

a schematic sectional view of a further embodiment of a kitchen appliance;

Figure 3:

a schematic perspective view of another embodiment of a kitchen appliance;

Figure 4:

a schematic perspective view of the kitchen appliance figure 2 ;

Figure 5:

a schematic perspective view of a further embodiment of the kitchen appliance according to the invention;

Figure 6:

a schematic perspective view of a further embodiment of the kitchen appliance according to the invention;

Figure 7:

a schematic sectional view of a further embodiment of a kitchen appliance with the extractor device in an operating position; and

Figure 8:

a schematic perspective view of a further embodiment of the kitchen appliance according to the invention with the extractor device in an operating position.

In figure 1 a schematic sectional view of an embodiment of the kitchen appliance 1 according to the invention is shown. The kitchen appliance 1 consists of a hob 3 and an extractor device 2. The hob 3 is installed in a worktop 40 of a kitchen cabinet 4. In addition, a recess 41 is provided in the worktop 40 . The recess 41 is located on the rear side of the hob 3. In the recess 41, the extractor device 2 is introduced.

How out figure 1 results, the fume extraction device 2 has a suction shaft 24 . The upper end of the suction shaft 24 lies in the recess 41 which is made in the worktop 40 . The passage openings 29 of the suction shaft 24 of the fume extractor device 2 are formed in this upper end. A screen element 21, 22 extends upwards through these passage openings 29 in each case. The air inlet opening 290 is formed between the passage openings 29, that is to say between the parts of the opening at the upper end of the suction shaft 24, in which the screen elements 21, 22 are located. Inside the suction shaft 24, the two screen elements 21, 22 are mounted. The screen element 22 rests on the front wall and the screen element 21 on the rear wall of the suction shaft 24 . The screen element 21 is therefore referred to below as the rear screen element and the screen element 22 is referred to as the front screen element. The screen elements 21,22 are vertical. In the embodiment shown, the height of the screen element 22 is less than the height of the screen element 21 .

How out figure 1 results, fumes generated when cooking with a pot T is sucked into the suction duct 24 by a fan (not shown). The vapor sucked in is guided downwards between the screen elements 21 , 22 . The suction gap 20 is thus formed between the upper edges of the screen elements 21,22. In figure 1 a filter 26 is shown schematically in the suction shaft 24, through which the vapor is cleaned.

The screen elements 21, 22 extend from the passage opening 29 both upwards and downwards. Thus, the lower area of the screen elements 21, 22 is in the suction shaft 24. The lower edge of the screen element 21 and the lower edge of the screen element 22 are each connected to a fastening element 25, which is not shown in detail. The fasteners are fixed in place in the suction chute. The fastening element 25 can enclose the lower edge of the respective screen element 21, 22 at least on the side and preferably also the area of the side edge of the respective screen element 21, 22. The fastening element 25 can be, for example, a vertically lying rail which is closed at the bottom. In this embodiment, a screen element 21 or 22 is preferably held by a fastening element 25 on both side edges. Alternatively or additionally, the fastening element 25 can also be a horizontal rail that is open at the top. The screen elements 21 , 22 are held by the fastening elements 25 . The screen elements 21, 22 can be detached from the respective fastening element 25. In particular, the screen elements 21, 22 can be individually pulled upwards from the respective fastening element 25, without tools being required.

The lower edges of the screen elements 21, 22 lie on one level. The rear screen element 21 has a greater height than the front screen element 22 . The upper edge of the rear screen element of the 21 is therefore higher than the upper edge of the front screen element 22. The suction gap 20 is formed between the two upper edges of the screen elements 21,22. This is not in the horizontal, but inclined to this. The front screen element 22 protrudes upwards beyond the passage opening 29 to such an extent that the upper edge of the front screen element 22 is level with the upper end of the cooking vessel, in particular the pot T. Thus, the vapor produced can be reliably sucked in via the suction gap 20 and conducted into the suction shaft 24 .

In figure 2 a schematic sectional view of a further embodiment of a kitchen appliance 1 is shown. In this embodiment, in contrast to the embodiment according to figure 1 the extractor device 2 is integrated in the hob 3. This embodiment is in figure 4 shown in perspective view. The upper end of the suction shaft 24 is thus in this embodiment in the hob 3. The upper end of the suction shaft 24 and thus the passage openings 29 and the air inlet opening 290 thus extend over the entire depth of Hob 3 and are arranged in the width direction of the hob 3 centrally. In the embodiment shown, both screen elements 21, 22 have the same height dimensions. In addition, the two screen elements 21 , 22 protrude upwards by the same amount in relation to the respective passage opening 29 . Vapors from cooking vessels, in particular pots T, can thus be extracted from both sides of the vapor extraction device 2 with this vapor extraction device 2 .

In figure 3 another embodiment of the kitchen appliance 1 is shown in a perspective view. The screen elements 21, 22 protrude upwards beyond the passage openings. The embodiment after figure 3 differs from the embodiment according to figures 2 in that the extractor device 2 is spaced apart from the hob 3 . In particular, in the figure 3 the hob 3 is constructed in two parts and the extractor device 2 is located between these two parts of the hob 3. For the extractor device 2, a recess 41 is therefore introduced in the worktop 40 of the kitchen cabinet 4. Also in the embodiment after figure 3 the two screen elements 21, 22 preferably project upwards by the same height in relation to the suction shaft 24.

In figure 5 a further embodiment of the kitchen appliance 1 according to the invention is shown. In this embodiment, the screen elements 21, 22 have different sizes. In particular, in the illustrated embodiment, the front screen element 22 is smaller than the rear screen element 21. In particular, the front screen element 22 has a smaller width than the rear screen element 21. In addition, the front screen element 22 protrudes by a smaller amount over the passage opening 29 upwards addition, than the rear screen element 21. The height dimension of the screen elements 21, 22 can be the same in this embodiment. In this case, the front screen element 22 is offset upwards only by a smaller amount than the rear screen element 21. In addition, in the embodiment according to FIG figure 5 a lighting device (not visible) is provided. Light is introduced into the screen elements 21, 22 from below via the lighting device. By appropriate surface treatment of the screen elements 21,22 or due to the material properties of the screen elements 21,22, the light introduced is emitted over the area of the screen elements 21,22. The screen elements 21, 22 can be made of glass, for example.

In figure 6 a perspective view of a further embodiment of the kitchen appliance 1 is shown. This embodiment differs from that in figure 5 shown embodiment in that an illumination device 27 is provided on the upper edge of the rear screen element 21 . This can be an LED strip, for example. Alternatively, however, it is also possible that the lighting device 27 is attached to the rear screen element 21 from below and the top edge of the rear screen element 22 is treated in such a way that the introduced light is emitted via this top edge.

In the figure 7 a further embodiment of an extractor device 2 is shown. In this embodiment the upper end of the suction shaft 24 is covered by a cover plate 200 . A recess, which forms the air inlet opening 290, and two recesses, each of which forms a passage opening 29, are made in the cover plate 200. The through-openings 29 are arranged adjacent to the air inlet opening 290 and the air inlet opening 290 is between the through-openings 29. The extractor device 2 has two screen elements 21, 22 which extend through the through-openings 29 and protrude upwards. The lower end of each of the screen elements 21, 22 is held in a fastening element 25 in each case. In the illustrated embodiment, the fastening element 25 represents a rail which is open at the top and into which the lower end of the respective screen element 21, 22 can be inserted. The rail can extend over the entire width of the screen element 21, 22. However, it is also within the scope of the invention that the rail only accommodates the lateral area of the lower end of the screen elements. In addition, the rail or another rail can extend in the vertical direction and accommodate the lower area of the side edge of the respective screen element 21, 22. As a result, the screen element 21 , 22 is guided when it is attached to the extractor device 2 . The fastening element 25 can be fastened to a side wall of the suction shaft 24, for example. The fastening element or elements 25 are fixedly fastened to the suction shaft 24 . A fastening element 25 is preferably provided on opposite side walls of the suction shaft 24 in each case.

In figure 8 a further embodiment of the kitchen appliance 1 according to the invention is shown. This embodiment differs from that in figure 5 embodiment shown characterized in that the fume extraction device 2 has three screen elements 21, 22, 22'. In particular, the vapor extraction device 2 has a rear screen element 21 and two front screen elements 22, 22'. The front screen elements 22, 22' are arranged laterally adjacent to one another in one plane. There is a distance between the mutually facing side edges of the two screen elements 22, 22'. The height of the front screen elements 22, 22' is in each case less than the height of the rear screen element 21. The width of the two front screen elements 22, 22', together with the distance between the screen elements 22, 22', is smaller than the width of the rear screen element 21 In this embodiment, the suction gap 20, through which air is sucked in, extends both between the respective top edge of each of the front screen elements 22, 22' and the top edge of the rear screen element 21 and along the side edges of the front screen elements 22, 22`. In particular, a further part of the intake gap 20 is formed between the outer side edge of the respective front screen element 22, 22' and the respective outer side edge of the rear screen element 21. A further part of the intake gap 20 is also formed between the respective side edges of the front screen elements 22, 22', which face one another, and the central region of the rear screen element 21. The flow of air is in the figure 8 indicated schematically by block arrows. The front screen elements 22, 22', like the rear screen element 21, are detachably held on the fume extraction device 2.

The invention is not limited to the embodiments shown. It is also within the scope of the invention, for example, for individual features of one embodiment to be combined with those of another embodiment. For example, the in figure 7 Fastening elements 25 shown can also be used in a different embodiment or have a different shape.

The present invention creates an extractor device, which can also be referred to as an extractor hood, which can be arranged behind the hob like known downdrafts, but especially when the screen elements are made of a transparent material and do not represent an optical barrier like conventional downdrafts. In addition, the intake flow can be optimized if the vapors can also be sucked in laterally (on the sides and/or in the middle) and not just from above. In addition, offer glass panes, which are preferably used as screen elements be able to create a working light. In addition, a screen element made of glass serves as an easy-to-clean splash guard.

The vapor trap according to the invention does not move up and down like the conventional downdraft, but remains fixed as a product and protrudes upwards over the table, the worktop or the hob.

In contrast to known extractor hoods, no compromise between good performance and a minimally beautiful design has to be made with the extractor device according to the invention and the kitchen appliance according to the invention. In general, a well-known downdraft can be sucked off high pots more easily by raising the position and used for cooking surface lighting. But this is accompanied by an optical blockade. In the present invention, the suction tract above the suction shaft consists only of the screen elements, which can be made of glass, for example. Thus, with the invention, the advantages of integrated lateral or central cooktop ventilation can be achieved through the suction gap with at the same time minimal intervention in the work and visible surface (no optical barrier).

According to one embodiment, the extractor device has two glass panes that are arranged one behind the other. The glass panes are preferably behind the hob. The vapor is drawn in horizontally at the top and can also be sucked in along the vertical, in particular laterally and/or centrally.

The glass or other plate material can also serve as a splash guard and as an optical waveguide. Light can be coupled in from below over the edge. Appropriate edge processing helps with the decoupling and direction of the light beam. The screen elements, in particular glass panes, hold particularly well on the fastening elements, such as rails, due to their own weight and can therefore be removed without tools and serve as filters.

The present invention has a number of advantages. On the one hand, no mechanical device, for example no moving device and no drive, is no longer required, which one would like to hide. In the embodiment in which the extractor device has two front screen elements, air is also sucked in horizontally in the middle. Due to the omission of a motor movement, a slimmer (less deep) downdraft extractor can be produced with the extractor device according to the invention. The depth of the extractor device can be less than 120mm and can be reduced to 90mm, for example, because there are no motors and flaps. Thus, the extractor according to the invention is also easier to install in the work surface. In addition, since the screen elements are detachably fastened and can therefore be removed without tools, the fat label can be improved since the contaminants deposited on the screen elements are calculated together with the contaminants on filters.

REFERENCE MARKS

1

kitchen utensil

2

extractor device

200

cover plate

20

suction gap

21

screen element

22, 22'

screen element

24

suction shaft

25

fastener

26

filter

27

lighting device

29

passage opening

290

air inlet opening

3

hob

4

kitchen cabinet

40

countertop

41

recess

T

Pot

Claims (10)

1. Vapor extraction apparatus with an extraction shaft (24), in the upper end of which an air inlet opening (290) and at least one pass-through opening (29) are formed, and at least one steam trap mounted in the extraction shaft (24) with at least one extraction gap (20), wherein the steam trap consists of at least two planar shielding elements (21, 22, 22'), which are flat and are arranged in parallel with one another, wherein the extraction gap (20) is formed between the shielding elements (21, 22, 22'), the at least two shielding elements (21, 22, 22') protrude partially beyond the pass-through opening (29) of the extraction shaft (24), and the at least two shielding elements (21, 22, 21) are mounted in a stationary and detachable manner in the extraction shaft (24), characterised in that one of the at least two shielding elements (21, 22, 22') has a larger area than the at least one further shielding element (21, 22, 22').
2. Vapor extraction apparatus according to claim 1, characterised in that the extraction gap (20) preferably runs at least along the upper edge of at least one of the shielding elements (21, 22, 22') and along the side edges of the at least one shielding element (21, 22, 22').
3. Vapor extraction apparatus according to one of claims 1 or 2, characterised in that the vapor extraction apparatus (2) has three shielding elements (21, 22, 22'), of which two shielding elements (22, 22') are arranged laterally adjacent to one another and horizontally offset in relation to the third shielding element (21).
4. Vapor extraction apparatus according to claim 3, characterised in that the third shielding element (21), which is arranged in a horizontally offset manner, has a larger area than the two shielding elements (22, 22') which are laterally offset in relation to one another.
5. Vapor extraction apparatus according to one of claims 1 to 4, characterised in that each of the shielding elements (21, 22, 22') is accommodated in a fastening apparatus (25), which preferably represents a rail.
6. Vapor extraction apparatus according to one of claims 1 to 5, characterised in that the shielding elements (21, 22, 22') consist of glass.
7. Vapor extraction apparatus according to one of claims 1 to 6, characterised in that the extraction shaft (24) has a depth of less than 120mm, preferably 90mm.
8. Vapor extraction apparatus according to one of claims 1 to 7, characterised in that the vapor extraction apparatus (2) comprises at least one lighting facility (27).
9. Kitchen appliance with at least one hob (3) and a vapor extraction apparatus (2), characterised in that the vapor extraction apparatus (2) represents a vapor extraction apparatus according to one of claims 1 to 8.
10. Combination appliance according to claim 9, characterised in that the upper end of the extraction shaft (24) lies in the area of the hob (3), preferably in the centre of the width of the area of the hob (3).

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