EP3287701B1 - Combinations appliance comprising a cooking hob and a fume extractor - Google Patents

Combinations appliance comprising a cooking hob and a fume extractor Download PDF

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Publication number
EP3287701B1
EP3287701B1 EP17185794.9A EP17185794A EP3287701B1 EP 3287701 B1 EP3287701 B1 EP 3287701B1 EP 17185794 A EP17185794 A EP 17185794A EP 3287701 B1 EP3287701 B1 EP 3287701B1
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EP
European Patent Office
Prior art keywords
filter
frame
base plate
holding
filter unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17185794.9A
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German (de)
French (fr)
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EP3287701A1 (en
Inventor
Elena LEINMÜLLER
Lukas Methner
Jochen Scholer
Didier Heppi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3287701A1 publication Critical patent/EP3287701A1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2035—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft

Definitions

  • filter elements In the case of extractor hood devices that are used to clean polluted air, in particular kitchen fumes and vapors, it is known to use filter elements through which grease and other contaminants are filtered out.
  • the filter elements are therefore also referred to as grease filters.
  • filter cassettes in which a filter material is held in a filter frame are used as filter elements. These filter elements are inserted into the suction opening of the extractor device and, if necessary, attached via pin connections.
  • a handle can be provided on the filter elements in the surface of the filter material, by means of which the pins of the pin connection can be moved.
  • a disadvantage of these embodiments of the filter elements is that the user has to touch the filter element himself in order to remove it from the extractor device for cleaning, for example.
  • a first air filter is installed in the hood of a cooking area, for example.
  • a second filter is also installed in the hood.
  • the second filter includes a frame defining the front face through which incoming air can enter.
  • the outer perimeter of the front is defined by a top wall, a bottom wall and opposing end walls.
  • Two outer suction chambers and a central suction chamber are formed in the frame, which are separated from one another by partition elements which run along the front side.
  • a pair of handles are provided at the forward end of the end walls.
  • the walls of the suction chambers are each formed by an inner grid, an outer grid and filter material arranged in between. In addition, walls that extend between the end walls at the point of contact between two grids are provided.
  • an insert for a downdraft fan which comprises a removable filter element for filtering a flow of cooking vapor and a removable collecting element for receiving liquids, the collecting element has at least one wall which serves as a flow guide surface for deflecting the cooking vapor flow.
  • JP S44 17592 Y1 a filter device is shown which has a frame to which filter elements can be attached.
  • the WO 2014/191225 A2 describes a filter unit comprising a housing.
  • a removable module is placed in the housing.
  • UV lamps are installed in the removable module and handles are provided on the front.
  • the filter elements are arranged on the bottom of the housing separate from the module. The filter elements can only be removed when the module has been removed from the filter unit. In this filter unit, too, it is difficult to remove and clean the filter elements.
  • the US2012 / 204855A1 shows a combination device wherein the extractor device has a handle. This document discloses all the features of the preamble of claim 1.
  • the invention is therefore based on the object of creating a combination device with a filter unit, by means of which on the one hand the air can be cleaned reliably and on the other hand is easy to handle.
  • a structural unit is referred to as a filter unit for an extractor device, which can be inserted on or in a suction opening of the extractor device and by means of which the air can be freed from impurities.
  • the filter unit has at least one filter element.
  • the filter element can have filter material that is held in a filter frame.
  • the filter element consists exclusively of filter material.
  • the filter material can be, for example, expanded metal layers, a fleece, a knitted fabric or a knitted fabric.
  • the filter material can consist of wire.
  • the filter unit according to the invention has a filter holder.
  • the filter holder serves, on the one hand, to hold the filter element or elements on the extractor device and, on the other hand, to hold the filter element or elements on the filter unit when it is removed from the extractor device.
  • the filter holder has a base plate and at least one holding frame.
  • the base plate has at least one handle.
  • the handle can be molded into the base plate and / or comprise a separate handle element which is connected to the base plate.
  • the holding frame represents a receiving frame in which at least one filter element is held.
  • the holding frame surrounds at least part of the edge of the filter element.
  • the support frame is rigidly connected to the base plate. At least part of the holding frame can be designed in one piece with the base plate, for example.
  • the support frame is arranged inclined to the base plate.
  • the holding frame extends upwards or downwards from the base plate and forms an angle of, for example, 90 ° to less than 180 between the side from which the holding frame extends, i.e. the top or bottom of the base plate, and the holding frame °, for example 135 °.
  • a number of advantages can be achieved by arranging the holding frame at an incline in relation to the base plate according to the invention.
  • the handle since the handle is provided on the base plate and this is inclined towards the holding frame, the user can grip the handle without coming into contact with the filter element held in the holding frame.
  • the filter holder has at least two holding frames.
  • This configuration of the filter holder makes it possible to remove several filter elements, which are held in the holding frames, from the extractor device and to insert them into the same. It may be necessary to remove the filter unit from the extractor device for cleaning or maintenance purposes, for example.
  • the filter unit can be removed as a component and cleaned, for example, in a dishwasher.
  • the holding frames are firmly, that is to say rigidly, connected to the base plate, simple introduction of the filter unit into the extractor device can be ensured.
  • the relative position of the filter elements to one another is predetermined by the holding frames in which they are held.
  • the handle is arranged on the side of the base plate which faces away from the direction of extent of the at least one holding frame. This means that the handle is located on the side of the base plate that faces away from the side over which the at least one holding frame extends.
  • the handle is provided on the top of the base plate and the holding frames extend downward from the base plate.
  • the handle Since the handle is turned away from the holding frames, on the one hand, accidental contact with the filter elements when gripping the handle can be prevented.
  • the filter unit can be easily introduced into and removed from an extractor device, for example in a suction opening with an extractor device located below the suction opening.
  • the handle can remain largely free of grease, since it is not located in the inflow area of the filter unit.
  • the inflow area which can also be referred to as the vapor area, is rather formed by the holding frames with the filter elements held therein. If several holding frames are provided, each with at least one filter element, then each of the holding frames forms a suction area of the filter unit.
  • the at least two holding frames are particularly preferably inclined in the same direction to the base plate.
  • the holding frames can both be inclined downward from the base plate.
  • the angle enclosed by the two holding frames with the side of the base plate from which the holding frames extend is preferably also the same.
  • both holding frames can be inclined at an angle of, for example, 100 ° to the underside of the base plate and thus protrude laterally beyond the side edges of the base plate on which they are provided.
  • holding frames are provided, these are preferably arranged on opposite edges of the base plate.
  • the holding frame consists of at least two components that are detachably or non-detachably connected to one another.
  • the components are also referred to as frame parts and each have an opening which preferably forms the largest part of the frame part. This allows air to flow through the frame parts. Due to the multi-part construction of the holding frame, one or more filter elements can be introduced between these components, that is to say frame parts, and held between them during the production of the filter unit. This simplifies production.
  • the connection between the frame parts can be achieved, for example, by gluing, welding or locking.
  • a first of the frame parts of the holding frame is designed in one piece with the base plate and a second of the frame parts is connected to the first frame parts.
  • This configuration further simplifies production, since only the filter element or elements and the second frame part have to be aligned during production. Due to the one-piece design of the first frame part with the base plate, the frame part is firmly connected to the base plate. The position of the frame part firmly connected to the base plate, however, is fixed. The filter element or elements can thus be placed on or inserted into the stationary frame part. The second frame part can then be applied to the other side of the filter element and this can then be connected to the first frame part.
  • the frame parts preferably have a fold at their edges, through which the frame parts each form a receiving space.
  • the frame parts preferably have a fold at their edges, through which the frame parts each form a receiving space.
  • the further frame part is designed flat, that is to say consists only of the strip of material that forms the frame.
  • the holding frame consists of two frame parts which are fastened to one another at at least a part of their edges. Because the support frame consists of frame parts, the air permeability of the filter material is only slightly impaired. Since the frame parts are also fastened to one another at their edges, it is not necessary to provide connecting elements in the area of the openings of the frame parts, which could hinder a flow. In addition, by fastening the frame parts to one another, it is possible to hold filter material in the holding frame, which consists of several layers and / or has no dimensional stability. With such filter materials, the edge formed by the connection of the frame parts at their edges can serve as an edge holder for the filter material and hold it reliably.
  • the filter material is here preferably clamped between the material strips of the frame parts that surround the opening.
  • one of the frame parts of the holding frame represents an inner frame and a frame part represents an outer frame.
  • the outer frame or the inner frame can be rigidly connected to the base plate and, in particular, be designed in one piece with it. If the outer frame is rigidly connected to the base plate, the filter element or elements are placed from the inside into the outer frame and then pressed against the outer frame from the inside by applying the inner frame and held between them after the inner frame has been attached to the outer frame. If, on the other hand, the inner frame is rigidly connected to the base plate, then the filter element or elements can be placed in the outer frame from the outside. The outer frame is then attached to the filter elements from the outside and connected to the inner frame.
  • the frame part is referred to here as the outer frame, which, when the filter unit is installed in the extractor device, lies on the inflow side of the filter elements.
  • the outer frame therefore represents the inflow side of the filter unit through which the air to be cleaned enters the filter element or elements.
  • the frame part that rests on the clean air side, i.e. the outflow side of the filter element, is referred to as the inner frame.
  • the inner frame thus represents the outflow or clean air side of the filter unit, through which the cleaned air exits the filter element.
  • the outer frame is preferably rigidly connected to the base plate and is particularly preferably designed in one piece with the base plate. This has the advantage that the number of joints or other connection points on the inflow side of the filter unit is small and thus the accumulation of impurities on the filter holder can be minimized.
  • the inner frame preferably has at least one support strut and the outer frame has at least one holding strut.
  • the support strut and retaining strut can be designed in the same way and are referred to differently only for better understanding.
  • the struts extend through the opening of the respective frame part, that is to say span them the opening. This embodiment improves the hold of the filter element in the holding frame.
  • the filter element consists of filter material.
  • no separate filter frame is provided on the filter element.
  • the filter holder of the filter unit according to the invention since a holding frame can take over the function of the filter frame.
  • the holding frame holds several layers of filter material together or supports and holds a dimensionally unstable filter material, for example a wire mesh or wire mesh, securely between the frame parts.
  • the at least one holding frame is preferably arranged on an edge of the base plate, that is to say extends from the edge of the base plate. It is also within the scope of the invention to provide the holding frames in the surface of the base plate, for example on the underside of the base plate at a distance from the edge of the base plate.
  • the manufacture of such a filter holder is more difficult due to the geometry.
  • a frame part can be produced, for example, by bending.
  • the filter holder can also be manufactured by injection molding, the arrangement on the edge of the base plate likewise allowing easier manufacture.
  • the filter holder can for example consist of plastic and / or metal.
  • the invention relates to a combination device which comprises a hob and at least one extractor device.
  • the combination device has a recess in the hob into which the filter unit can be inserted.
  • the fan of the extractor device is arranged below the recess.
  • a trough can be introduced as part of the extractor device, into which the filter unit can be inserted.
  • the filter unit can also have fastening elements, such as, for example Have locking lugs to lock with a tub or another part of the extractor device.
  • FIG 1 an embodiment of a combination device 1 according to the invention is shown.
  • the combination device 1 consists of a hob 10 and an extractor device 11.
  • the extractor device 11 is located below the hob 10 in some areas Figure 1 only the filter unit 12 can be seen.
  • the hob 10 has a recess 100 into which the filter unit 12 is introduced.
  • a fan (not shown) of the extractor device 11, via which air is sucked in through the filter unit 12, is arranged below the filter unit 12.
  • the filter unit 12 consists of a filter holder 121 in which filter elements 120 are held. In the view in Figure 1 only one filter element 120 is visible.
  • a recessed grip 1220 is introduced into the top of the filter holder 121, over which a grip element 1221 in the form of a metal strip extends.
  • the embodiment of the filter unit 12 in Figure 2 differs from the embodiment of the filter unit 12 in FIG Figure 1 only through the alignment of the grip element 1221 and the provision of struts 1241 and 1243 on the support frames 124.
  • the filter unit 12 consists of a filter holder 121 and two filter elements 120.
  • the filter elements 120 have a diamond-shaped cross section.
  • each of the filter elements 120, apart from the filter material 1200, which can be expanded metal layers, for example, has a filter frame 1201 that holds the filter material 1200.
  • the filter element 120 consists only of filter material 1200 and in particular does not have a filter frame 1201.
  • the filter holder 121 consists of a base plate 123 and two holding frames 124.
  • the base plate 123 has the shape of a long rectangle.
  • a handle 122 is provided in the center of the base plate 123.
  • the handle 122 is formed by a recessed grip 1220 introduced into the base plate 123 and a grip element 1221 that spans this and represents a narrow strip of material.
  • holding frames 124 of the filter holder 121 extend downward. This means that the two support frames 124 are inclined in the same direction.
  • a holding frame 124 is provided on each of the two longitudinal edges of the base plate 123.
  • the handle 122 which is provided in the upper side of the base plate 123, is thus arranged on the side of the base plate 123 which faces away from the direction of extension of the downwardly extending holding frames 124.
  • the holding frame 124 consists of two frame parts, namely an outer frame 1240 and an inner frame 1242.
  • the outer frame 1240 is designed in one piece with the base plate 123.
  • the inner frame 1242 represents a separate component that can be connected to the outer frame 1240, that is to say can be fastened to it.
  • a strut which is also referred to as a retaining strut 1241, is provided in one frame part, namely the outer frame 1240, and extends over the height of the opening formed by the outer frame 1240.
  • two struts which are also referred to as support struts 1243, are provided in the embodiment shown.
  • the support struts 1243 extend the height of the opening formed in the inner frame 1242. In the embodiment shown, the support struts 1243 are arranged offset with respect to the holding strut 1241.
  • the holding frames 124 are arranged inclined to the base plate 123. A filter element 120 is received between the frame parts of the holding frame 124, that is to say between the outer frame 1240 and the inner frame 1242.
  • the filter element 120 is first inserted from the inside into one frame part, namely the outer frame 1240.
  • the further frame part, namely the inner frame 1242 is then applied from the inside and connected to the outer frame 1240.
  • the connection can be produced, for example, by gluing, welding or locking.
  • the filter element 120 is as in FIG Figure 2 shown on the left, between the frame parts 1240 and 1242, that is held in the support frame 124.
  • the filter unit 12 can be introduced into an opening of an extractor device 11 in a simple manner.
  • the filter unit can be inserted into a recess 100 of a hob 10, below which the fan of an extractor device 11 of a combination device 1 is provided.
  • the filter unit 12 is inserted in such a way that the base plate 123 forms the top of the filter unit 12.
  • the holding frames 124 are thus arranged under the base plate 123, that is to say extend downward from the base plate 123.
  • the holding frames 124 are at an angle greater than 90 ° to the underside of the base plate 123, that is, they are inclined slightly outward. In this way, a reliable flow of air onto the filter elements 120 held in the holding frames 124, which is sucked into the recess 100, can be ensured.
  • the filter unit 12 can be used in the extractor device 11, for example in a tub or other fastening device of the extractor device 11.
  • the lower edges of the holding frames 124 lie on the tub floor of the extractor device 11 and the filter unit 12 is held in this way.
  • one or more fastening elements for example in the form of latching lugs 125, can be provided on the filter unit 12.
  • These fastening elements are preferably provided on the filter holder 121 offset with respect to the holding frame (s) 124.
  • the fastening elements can be implemented by latching arms which extend downward from the edges of the base plate 123, on which no holding frame is provided.
  • the fastening elements only one of which can be seen in the form of a latching lug 125, are provided on latching arms which extend downward from the short edges of the elongated base plate 123.
  • the present invention has a number of advantages. On the one hand, the invention creates a simple possibility of combining expanded metal layers for filtering grease at several intake openings of an extractor device, which can represent, for example, downdraft ventilation in a filter unit, which can also be referred to as a housing.
  • an extractor device which can represent, for example, downdraft ventilation in a filter unit, which can also be referred to as a housing.
  • the filter unit which can be removed for cleaning in the dishwasher which can also be referred to as a grease filter housing, can combine at least two filter elements, which can be, for example, expanded metal filters, in one unit.
  • the filter unit can be removed from a handle which has remained largely free of grease since it is not located in the vapor area.
  • the filter unit can be put into the dishwasher without having to touch it again. This is a clean operation, contrary to the normal case, in which you have to attack each of the individual grease filters, whereby it is usually unavoidable to touch the filtered grease.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Description

Bei Dunstabzugsvorrichtungen, die zur Reinigung von verunreinigter Luft, insbesondere von Küchendünsten und Wrasen, verwendet werden, ist es bekannt, Filterelemente zu verwenden, durch die Fett und andere Verunreinigungen ausgefiltert wird. Die Filterelemente werden daher auch als Fettfilter bezeichnet. Als Filterelemente werden insbesondere Filterkassetten verwendet, bei denen ein Filtermaterial in einem Filterrahmen gehalten wird. Diese Filterelemente werden in die Ansaugöffnung der Dunstabzugsvorrichtung eingesetzt und gegebenenfalls über Stiftverbindungen befestigt. Zu diesem Zweck kann an den Filterelementen in der Fläche des Filtermaterials ein Griff vorgesehen sein, über den die Stifte der Stiftverbindung bewegt werden können.In the case of extractor hood devices that are used to clean polluted air, in particular kitchen fumes and vapors, it is known to use filter elements through which grease and other contaminants are filtered out. The filter elements are therefore also referred to as grease filters. In particular, filter cassettes in which a filter material is held in a filter frame are used as filter elements. These filter elements are inserted into the suction opening of the extractor device and, if necessary, attached via pin connections. For this purpose, a handle can be provided on the filter elements in the surface of the filter material, by means of which the pins of the pin connection can be moved.

Ein Nachteil dieser Ausführungsformen der Filterelemente besteht darin, dass der Benutzer das Filterelement selber angreifen muss, um dieses beispielsweise zur Reinigung aus der Dunstabzugsvorrichtung zu entnehmen.A disadvantage of these embodiments of the filter elements is that the user has to touch the filter element himself in order to remove it from the extractor device for cleaning, for example.

In der WO 03/084643 A1 ist ein Zwei-Stufen-Luftreinigungssystem beschrieben. Insbesondere wird ein erster Luftfilter in die Haube beispielsweise eines Kochbereiches montiert. Weiterhin ist ein zweiter Filter in der Haube montiert. Der zweite Filter umfasst einen Rahmen, der die Vorderseite definiert, über die einströmende Luft eintreten kann. Der äußere Umfang der Vorderseite wird definiert durch eine obere Wand, eine untere Wand und gegenüberliegende Endwände. In dem Rahmen sind zwei äußere Ansaugkammern und eine mittlere Ansaugkammer gebildet, die durch Trennelemente, die entlang der Vorderseite verlaufen, voneinander getrennt sind. An dem vorderen Ende der Endwände ist ein Griffpaar vorgesehen. Die Wände der Ansaugkammern sind jeweils durch einen inneres Gitter, ein äußeres Gitter und dazwischen angeordnetes Filtermaterial gebildet. Zudem sind Wände, die sich zwischen den Endwänden an dem Berührungspunkt zwischen zwei Gittern erstrecken, vorgesehen.In the WO 03/084643 A1 describes a two-stage air cleaning system. In particular, a first air filter is installed in the hood of a cooking area, for example. A second filter is also installed in the hood. The second filter includes a frame defining the front face through which incoming air can enter. The outer perimeter of the front is defined by a top wall, a bottom wall and opposing end walls. Two outer suction chambers and a central suction chamber are formed in the frame, which are separated from one another by partition elements which run along the front side. A pair of handles are provided at the forward end of the end walls. The walls of the suction chambers are each formed by an inner grid, an outer grid and filter material arranged in between. In addition, walls that extend between the end walls at the point of contact between two grids are provided.

In der DE 10 2016 211 206 A1 wird ein Einsatz für einen Muldenlüfter offenbart, der ein entnehmbares Filter-Element zum Filtern eines Kochdunst-Stroms und ein entnehmbares Auffang-Element zur Aufnahme von Flüssigkeiten umfasst, wobei das Auffang-Element mindestens eine Wand aufweist, welche als Strömungsleitfläche zur Umlenkung des Kochdunst-Stroms dient.In the DE 10 2016 211 206 A1 discloses an insert for a downdraft fan which comprises a removable filter element for filtering a flow of cooking vapor and a removable collecting element for receiving liquids, the collecting element has at least one wall which serves as a flow guide surface for deflecting the cooking vapor flow.

In JP S44 17592 Y1 ist eine Filtervorrichtung gezeigt, die einen Rahmen aufweist, an dem Filterelemente befestigt sein können.In JP S44 17592 Y1 a filter device is shown which has a frame to which filter elements can be attached.

Die WO 2014/191225 A2 beschreibt eine Filtereinheit, die ein Gehäuse umfasst. In dem Gehäuse ist ein entnehmbares Modul eingebracht. In dem entnehmbaren Modul sind UV-Lampen eingebracht und an der Vorderseite sind Griffe vorgesehen. Die Filterelemente sind auf dem Boden des Gehäuses separate zu dem Modul angeordnet. Die Filterelemente sind nur entnehmbar, wenn das Modul aus der Filtereinheit entnommen ist. Auch bei dieser Filtereinheit ist die Entnahme und Reinigung der Filterelemente schwierig. Die US2012/204855A1 zeigt ein Kombinationsgerät wobei die Dunstabzugsvorrichtung einen Griff aufweist. Dieses Dokument offenbart alle Merkmale des Oberbegriffes des Anspruchs 1.the WO 2014/191225 A2 describes a filter unit comprising a housing. A removable module is placed in the housing. UV lamps are installed in the removable module and handles are provided on the front. The filter elements are arranged on the bottom of the housing separate from the module. The filter elements can only be removed when the module has been removed from the filter unit. In this filter unit, too, it is difficult to remove and clean the filter elements. the US2012 / 204855A1 shows a combination device wherein the extractor device has a handle. This document discloses all the features of the preamble of claim 1.

Der Erfindung liegt daher die Aufgabe zugrunde, ein Kombinationsgerät mit Filtereinheit zu schaffen, mittels derer auf der einen Seite die Reinigung der Luft zuverlässig erfolgen kann und die andererseits einfach zu handhaben ist.The invention is therefore based on the object of creating a combination device with a filter unit, by means of which on the one hand the air can be cleaned reliably and on the other hand is easy to handle.

Die Aufgabe wird erfindungsgemäß gelöst durch ein Kombinationsgerät mit den Merkmalen nach Anspruch 1.The object is achieved according to the invention by a combination device having the features according to claim 1.

Als Filtereinheit für eine Dunstabzugsvorrichtung wird eine bauliche Einheit bezeichnet, die an oder in eine Ansaugöffnung der Dunstabzugsvorrichtung eingesetzt werden kann und mittels derer die Luft von Verunreinigungen befreit werden kann. Zu diesem Zweck weist die Filtereinheit mindestens ein Filterelement auf. Das Filterelement kann Filtermaterial aufweisen, das in einem Filterrahmen gehalten wird. Alternativ besteht das Filterelement ausschließlich aus Filtermaterial. Das Filtermaterial kann beispielsweise Streckmetalllagen, ein Vlies, ein Gestrick oder ein Gewirk sein. Insbesondere kann das Filtermaterial aus Draht bestehen. Zusätzlich zu dem Filterelement weist die erfindungsgemäße Filtereinheit einen Filterhalter auf. Der Filterhalter dient zum einen zum Halten des oder der Filterelemente an der Dunstabzugsvorrichtung und zum anderen zum Halten des oder der Filterelemente an der Filtereinheit bei der Entnahme aus der Dunstabzugsvorrichtung.A structural unit is referred to as a filter unit for an extractor device, which can be inserted on or in a suction opening of the extractor device and by means of which the air can be freed from impurities. For this purpose, the filter unit has at least one filter element. The filter element can have filter material that is held in a filter frame. Alternatively, the filter element consists exclusively of filter material. The filter material can be, for example, expanded metal layers, a fleece, a knitted fabric or a knitted fabric. In particular, the filter material can consist of wire. In addition to the filter element, the filter unit according to the invention has a filter holder. The filter holder serves, on the one hand, to hold the filter element or elements on the extractor device and, on the other hand, to hold the filter element or elements on the filter unit when it is removed from the extractor device.

Der Filterhalter weist eine Grundplatte und mindestens ein Haltegerüst auf. Die Grundplatte weist mindestens einen Griff auf. Der Griff kann in die Grundplatte eingeformt sein und/oder ein separates Griffelement umfassen, das mit der Grundplatte verbunden wird. Das Haltegerüst stellt ein Aufnahmegerüst dar, in dem mindestens ein Filterelement gehalten wird. Das Haltegerüst umgibt dabei zumindest einen Teil des Randes des Filterelementes.The filter holder has a base plate and at least one holding frame. The base plate has at least one handle. The handle can be molded into the base plate and / or comprise a separate handle element which is connected to the base plate. The holding frame represents a receiving frame in which at least one filter element is held. The holding frame surrounds at least part of the edge of the filter element.

Das Haltegerüst ist mit der Grundplatte starr verbunden. Zumindest ein Teil des Haltegerüstes kann dabei beispielsweise einteilig mit der Grundplatte ausgestaltet sein.The support frame is rigidly connected to the base plate. At least part of the holding frame can be designed in one piece with the base plate, for example.

Das Haltegerüst ist zu der Grundplatte geneigt angeordnet. Insbesondere erstreckt sich das Haltegerüst von der Grundplatte aus nach oben oder nach unten und schließt zwischen der Seite von der aus sich das Haltegerüst aus erstreckt, das heißt der Oberseite oder der Unterseite der Grundplatte, und dem Haltegerüst einen Winkel von beispielsweise 90° bis kleiner 180°, beispielsweise 135°, ein.The support frame is arranged inclined to the base plate. In particular, the holding frame extends upwards or downwards from the base plate and forms an angle of, for example, 90 ° to less than 180 between the side from which the holding frame extends, i.e. the top or bottom of the base plate, and the holding frame °, for example 135 °.

Indem erfindungsgemäß das Haltegerüst zu der Grundplatte geneigt angeordnet ist, kann eine Reihe von Vorteilen erzielt werden. Insbesondere kann der Benutzer, da der Griff an der Grundplatte vorgesehen ist und diese zu dem Haltegerüst geneigt ist, den Griff greifen, ohne mit dem in dem Haltegerüst gehaltenen Filterelement in Kontakt zu kommen.A number of advantages can be achieved by arranging the holding frame at an incline in relation to the base plate according to the invention. In particular, since the handle is provided on the base plate and this is inclined towards the holding frame, the user can grip the handle without coming into contact with the filter element held in the holding frame.

Erfindungsgemäß weist der Filterhalter mindestens zwei Haltegerüste auf. Durch diese Ausgestaltung des Filterhalters kann wird es möglich mehrere Filterelemente, die in den Haltegerüsten gehalten sind, gleichzeitig aus der Dunstabzugsvorrichtung zu entnehmen und in diese einzusetzen. Das Entnehmen der Filtereinheit aus der Dunstabzugsvorrichtung kann beispielsweise zu Reinigungszwecken oder zu Wartungszwecken erforderlich sein. Die Filtereinheit kann als ein Bauteil entnommen werden und beispielsweise in einer Spülmaschine gereinigt werden. Zudem kann, da die Position der Filterelemente bezüglich der Grundplatte fixiert ist, da die Haltegerüste fest, das heißt starr, mit der Grundplatte verbunden sind, ein einfaches Einbringen der Filtereinheit in die Dunstabzugsvorrichtung gewährleistet werden. Insbesondere ist die relative Position der Filterelemente zueinander durch die Haltegerüste, in denen diese gehalten sind, vorgegeben. Ein aufwändiges Ausrichten einzelner Filterelemente in der Dunstabzugshaube kann damit entfallen. Erfindungsgemäß ist der Griff an der Seite der Grundplatte angeordnet, die der Erstreckungsrichtung des mindestens einen Haltegerüstes abgewandt ist. Dies bedeutet, dass der Griff sich an der Seite der Grundplatte befindet, die der Seite, über die sich das mindestens eine Haltegerüst erstreckt, abgewandt ist. Erfindungsgemäß ist der Griff an der Oberseite der Grundplatte vorgesehen und die Haltegerüste erstrecken sich von der Grundplatte aus nach unten.According to the invention, the filter holder has at least two holding frames. This configuration of the filter holder makes it possible to remove several filter elements, which are held in the holding frames, from the extractor device and to insert them into the same. It may be necessary to remove the filter unit from the extractor device for cleaning or maintenance purposes, for example. The filter unit can be removed as a component and cleaned, for example, in a dishwasher. In addition, since the position of the filter elements with respect to the base plate is fixed, since the holding frames are firmly, that is to say rigidly, connected to the base plate, simple introduction of the filter unit into the extractor device can be ensured. In particular, the relative position of the filter elements to one another is predetermined by the holding frames in which they are held. A complex alignment of individual filter elements in the extractor hood can thus be dispensed with. According to the invention, the handle is arranged on the side of the base plate which faces away from the direction of extent of the at least one holding frame. This means that the handle is located on the side of the base plate that faces away from the side over which the at least one holding frame extends. According to the invention, the handle is provided on the top of the base plate and the holding frames extend downward from the base plate.

Richtungsangaben, wie oben und unten beziehen sich, sofern nicht anders angegeben, auf die Filtereinheit in einem in eine Dunstabzugsvorrichtung eingebrachten Zustand, bei dem die Filtereinheit durch eine horizontal liegende Ansaugöffnung in vertikaler Richtung nach unten eingesetzt wurde.Directional information such as above and below relate, unless otherwise stated, to the filter unit in a state brought into an extractor device, in which the filter unit was inserted vertically downwards through a horizontally positioned suction opening.

Indem der Griff den Haltegerüsten abgewandt ist, kann zum einen ein versehentlicher Kontakt mit den Filterelementen beim Greifen des Griffes verhindert werden. Zudem kann bei dieser Anordnung des Griffes, die Filtereinheit auf einfache Weise in eine, beispielsweise in einer Ansaugöffnung mit unterhalb der Ansaugöffnung liegender Dunstabzugsvorrichtung, eingebracht und entnommen werden. Schließlich kann bei dieser Ausführungsform der Griff weitestgehend fettfrei bleiben, da er sich nicht im Anströmbereich der Filtereinheit befindet. Der Anströmbereich, der auch als Wrasenbereich bezeichnet werden kann wird vielmehr durch die Haltegerüste mit den darin gehaltenen Filterelementen gebildet. Sind mehrere Haltegerüste mit jeweils mindestens einem Filterelement vorgesehen, so bildet jedes der Haltegerüste einen Einsaugbereich der Filtereinheit.Since the handle is turned away from the holding frames, on the one hand, accidental contact with the filter elements when gripping the handle can be prevented. In addition, with this arrangement of the handle, the filter unit can be easily introduced into and removed from an extractor device, for example in a suction opening with an extractor device located below the suction opening. Finally, in this embodiment, the handle can remain largely free of grease, since it is not located in the inflow area of the filter unit. The inflow area, which can also be referred to as the vapor area, is rather formed by the holding frames with the filter elements held therein. If several holding frames are provided, each with at least one filter element, then each of the holding frames forms a suction area of the filter unit.

Besonders bevorzugt sind die mindestens zwei Haltegerüste in der gleichen Richtung zu der Grundplatte geneigt. Beispielsweise können die Haltegerüste beide von der Grundplatte aus nach unten geneigt sein. Der Winkel, den die beiden Haltegerüste mit der Seite der Grundplatte einschließt, von der aus sich die Haltegerüste erstrecken, ist vorzugsweise ebenfalls gleich. Somit können beispielsweise beide Haltegerüste um einen Winkel von beispielsweise 100° zu der Unterseite der Grundplatte geneigt sein und somit über die Seitenränder der Grundplatte an der diese vorgesehen sind, seitlich überstehen.The at least two holding frames are particularly preferably inclined in the same direction to the base plate. For example, the holding frames can both be inclined downward from the base plate. The angle enclosed by the two holding frames with the side of the base plate from which the holding frames extend is preferably also the same. Thus, for example, both holding frames can be inclined at an angle of, for example, 100 ° to the underside of the base plate and thus protrude laterally beyond the side edges of the base plate on which they are provided.

Sind mehrere Haltegerüste vorgesehen, so sind diese vorzugsweise an gegenüberliegenden Rändern der Grundplatte angeordnet.If several holding frames are provided, these are preferably arranged on opposite edges of the base plate.

Gemäß einer bevorzugten Ausführungsform besteht das Haltegerüst aus mindestens zwei Bauteilen, die lösbar oder unlösbar miteinander verbunden sind. Die Bauteile werden auch als Rahmenteile bezeichnet und weisen jeweils eine Öffnung auf, die vorzugsweise den größten Teil des Rahmenteils bildet. Hierdurch kann ein Hindurchströmen von Luft durch die Rahmenteile gewährleistet werden. Durch den mehrteiligen Aufbau des Haltegerüstes, kann ein oder können mehrere Filterelemente bei der Herstellung der Filtereinheit zwischen diese Bauteile, das heißt Rahmenteile eingebracht werden und zwischen diesen gehalten werden. Hierdurch wird die Herstellung vereinfacht. Die Verbindung zwischen den Rahmenteilen kann beispielsweise durch Kleben, Schweißen oder Verrasten erzielt werden.According to a preferred embodiment, the holding frame consists of at least two components that are detachably or non-detachably connected to one another. The components are also referred to as frame parts and each have an opening which preferably forms the largest part of the frame part. This allows air to flow through the frame parts. Due to the multi-part construction of the holding frame, one or more filter elements can be introduced between these components, that is to say frame parts, and held between them during the production of the filter unit. This simplifies production. The connection between the frame parts can be achieved, for example, by gluing, welding or locking.

Gemäß einer bevorzugten Ausführungsform ist ein erstes der Rahmenteile des Haltegerüstes mit der Grundplatte einteilig ausgestaltet und ein zweites der Rahmenteile ist mit dem ersten Rahmenteile verbunden werden. Durch diese Ausgestaltung wird die Herstellung weiter vereinfacht, da bei der Herstellung lediglich das oder die Filterelemente und das zweite Rahmenteil ausgerichtet werden müssen. Durch die einteilige Ausgestaltung des ersten Rahmenteils mit der Grundplatte ist das Rahmenteil fest mit der Grundplatte verbunden. Die Position des fest mit der Grundplatte verbundenen Rahmenteils liegt hingegen fest. Das oder die Filterelemente können somit an dem feststehenden Rahmenteil angelegt oder eingelegt werden. Anschließend kann auf die andere Seite des Filterelementes das zweite Rahmenteil aufgebracht werden und dieses dann mit dem ersten Rahmenteil verbunden werden. Die Rahmenteile weisen hierzu vorzugsweise eine Abkantung an deren Rändern auf, durch die die Rahmenteile jeweils einen Aufnahmeraum bilden. Es liegt aber auch im Rahmen der Erfindung, dass nur eines der Rahmenteile eine Abkantung an den Rändern aufweist und das weitere Rahmenteil flächig ausgestaltet ist, das heißt nur durch den Materialstreifen, der den Rahmen bildet, besteht.According to a preferred embodiment, a first of the frame parts of the holding frame is designed in one piece with the base plate and a second of the frame parts is connected to the first frame parts. This configuration further simplifies production, since only the filter element or elements and the second frame part have to be aligned during production. Due to the one-piece design of the first frame part with the base plate, the frame part is firmly connected to the base plate. The position of the frame part firmly connected to the base plate, however, is fixed. The filter element or elements can thus be placed on or inserted into the stationary frame part. The second frame part can then be applied to the other side of the filter element and this can then be connected to the first frame part. For this purpose, the frame parts preferably have a fold at their edges, through which the frame parts each form a receiving space. However, it is also within the scope of the invention that only one of the frame parts has a fold at the edges and the further frame part is designed flat, that is to say consists only of the strip of material that forms the frame.

Gemäß einer Ausführungsform besteht das Haltegerüst aus zwei Rahmenteilen, die an zumindest einem Teil ihrer Ränder aneinander befestigt sind. Indem das Haltegerüst aus Rahmenteilen besteht, wird die Luftdurchlässigkeit des Filtermaterials nur geringfügig beeinträchtigt. Indem zudem die Rahmenteile an deren Rändern aneinander befestigt sind, ist es nicht erforderlich Verbindungselemente im Bereich der Öffnungen der Rahmenteile vorzusehen, die ein Durchströmen behindern könnten. Zudem wird es durch eine Befestigung der Rahmenteile aneinander möglich, in dem Haltegerüst Filtermaterial aufzunehmen, das aus mehreren Lagen besteht und/oder keine Formstabilität aufweist. Bei solchen Filtermaterialien kann der durch die Verbindung der Rahmenteile an deren Kanten gebildete Rand als Randhalterung für das Filtermaterial dienen und dieses zuverlässig halten. Das Filtermaterial wird hierbei vorzugsweise zwischen den Materialstreifen der Rahmenteile, die die Öffnung umgeben, eingeklemmt.According to one embodiment, the holding frame consists of two frame parts which are fastened to one another at at least a part of their edges. Because the support frame consists of frame parts, the air permeability of the filter material is only slightly impaired. Since the frame parts are also fastened to one another at their edges, it is not necessary to provide connecting elements in the area of the openings of the frame parts, which could hinder a flow. In addition, by fastening the frame parts to one another, it is possible to hold filter material in the holding frame, which consists of several layers and / or has no dimensional stability. With such filter materials, the edge formed by the connection of the frame parts at their edges can serve as an edge holder for the filter material and hold it reliably. The filter material is here preferably clamped between the material strips of the frame parts that surround the opening.

Gemäß einer Ausführungsform stellt eines der Rahmenteile des Haltegerüstes einen Innenrahmen und ein Rahmenteil einen Außenrahmen dar. Bei dieser Ausführungsform kann der Außenrahmen oder der Innenrahmen mit der Grundplatte starr verbunden sein und insbesondere einteilig mit dieser ausgestaltet sein. Ist der Außenrahmen starr mit der Grundplatte verbunden, so wird das oder werden die Filterelemente von innen in den Au-βenrahmen gelegt und anschließend durch Aufbringen des Innenrahmens von innen gegen den Außenrahmen gedrückt und nach Befestigung des Innenrahmens an dem Au-βenrahmen zwischen diesen gehalten. Ist hingegen der Innenrahmen starr mit der Grundplatte verbunden, so können das oder die Filterelemente von außen in den Außenrahmen gelegt werden. Von außen wird dann der Außenrahmen auf die Filterelemente aufgebracht und mit dem Innenrahmen verbunden.According to one embodiment, one of the frame parts of the holding frame represents an inner frame and a frame part represents an outer frame. In this embodiment, the outer frame or the inner frame can be rigidly connected to the base plate and, in particular, be designed in one piece with it. If the outer frame is rigidly connected to the base plate, the filter element or elements are placed from the inside into the outer frame and then pressed against the outer frame from the inside by applying the inner frame and held between them after the inner frame has been attached to the outer frame. If, on the other hand, the inner frame is rigidly connected to the base plate, then the filter element or elements can be placed in the outer frame from the outside. The outer frame is then attached to the filter elements from the outside and connected to the inner frame.

Als Außenrahmen wird hierbei das Rahmenteil bezeichnet, das im eingebauten Zustand der Filtereinheit in der Dunstabzugsvorrichtung an der Anströmseite der Filterelemente liegt. Der Außenrahmen stellt daher die Anströmseite der Filtereinheit dar, über die zu reinigende Luft in das oder die Filterelemente eintritt. Als Innenrahmen wird das Rahmenteil bezeichnet, das an der Reinluftseite, das heißt der Abströmseite des Filterelementes anliegt. Der Innenrahmen stellt damit die Abströmseite oder Reinluftseite der Filtereinheit dar, über die gereinigte Luft aus dem Filterelement austritt. Vorzugsweise ist der Außenrahmen mit der Grundplatte starr verbunden und besonders bevorzugt einteilig mit der Grundplatte ausgebildet. Dies weist den Vorteil auf, dass die Anzahl an Fugen oder anderen Verbindungsstellen an der Anströmseite der Filtereinheit gering ist und damit die Anlagerung von Verunreinigungen an dem Filterhalter minimiert werden kann.The frame part is referred to here as the outer frame, which, when the filter unit is installed in the extractor device, lies on the inflow side of the filter elements. The outer frame therefore represents the inflow side of the filter unit through which the air to be cleaned enters the filter element or elements. The frame part that rests on the clean air side, i.e. the outflow side of the filter element, is referred to as the inner frame. The inner frame thus represents the outflow or clean air side of the filter unit, through which the cleaned air exits the filter element. The outer frame is preferably rigidly connected to the base plate and is particularly preferably designed in one piece with the base plate. This has the advantage that the number of joints or other connection points on the inflow side of the filter unit is small and thus the accumulation of impurities on the filter holder can be minimized.

Vorzugsweise weist der Innenrahmen mindestens eine Stützstrebe und der Außenrahmen mindestens eine Haltestrebe auf. Die Stützstrebe und Haltestrebe können gleich ausgestaltet sein und werden nur zum besseren Verständnis unterschiedlich bezeichnet. Die Streben erstrecken sich durch die Öffnung des jeweiligen Rahmenteils, das heißt überspannen die Öffnung. Durch diese Ausführungsform wird der Halt des Filterelementes in dem Haltegerüst verbessert.The inner frame preferably has at least one support strut and the outer frame has at least one holding strut. The support strut and retaining strut can be designed in the same way and are referred to differently only for better understanding. The struts extend through the opening of the respective frame part, that is to say span them the opening. This embodiment improves the hold of the filter element in the holding frame.

Gemäß einer bevorzugten Ausführungsform besteht das Filterelement aus Filtermaterial. Bei dieser Ausführungsform ist kein separater Filterrahmen an dem Filterelement vorgesehen. Diese Ausführungsform ist bei dem erfindungsgemäßen Filterhalter der Filtereinheit möglich, da ein Haltegerüst die Funktion des Filterrahmens übernehmen kann. Insbesondere hält das Haltegerüst mehrere Lagen von Filtermaterial zusammen oder stützt und hält ein forminstabiles Filtermaterial, beispielsweise ein Drahtgewirk oder Drahtgestrick sicher zwischen den Rahmenteilen.According to a preferred embodiment, the filter element consists of filter material. In this embodiment, no separate filter frame is provided on the filter element. This embodiment is possible with the filter holder of the filter unit according to the invention, since a holding frame can take over the function of the filter frame. In particular, the holding frame holds several layers of filter material together or supports and holds a dimensionally unstable filter material, for example a wire mesh or wire mesh, securely between the frame parts.

Das mindestens eine Haltegerüst ist erfindungsgemäß vorzugsweise an einem Rand der Grundplatte angeordnet, das heißt erstreckt sich von dem Rand der Grundplatte. Es liegt zwar auch im Rahmen der Erfindung die Haltegerüste in der Fläche der Grundplatte vorzusehen, beispielsweise an der Unterseite der Grundplatte in einem Abstand zu dem Rand der Grundplatte. Die Herstellung eines solchen Filterhalters ist aber aufgrund der Geometrie schwieriger. Bei der Anordnung am Rand der Grundplatte hingegen kann ein Rahmenteil beispielsweise durch Biegen erzeugt werden. Alternativ kann der Filterhalter auch durch Spritzguss hergestellt werden, wobei ebenfalls die Anordnung am Rand der Grundplatte eine einfachere Herstellung erlaubt.According to the invention, the at least one holding frame is preferably arranged on an edge of the base plate, that is to say extends from the edge of the base plate. It is true that it is also within the scope of the invention to provide the holding frames in the surface of the base plate, for example on the underside of the base plate at a distance from the edge of the base plate. The manufacture of such a filter holder is more difficult due to the geometry. In the case of the arrangement on the edge of the base plate, however, a frame part can be produced, for example, by bending. Alternatively, the filter holder can also be manufactured by injection molding, the arrangement on the edge of the base plate likewise allowing easier manufacture.

Der Filterhalter kann beispielsweise aus Kunststoff und/oder Metall bestehen.The filter holder can for example consist of plastic and / or metal.

Die Erfindung betrifft ein Kombinationsgerät, das ein Kochfeld und mindestens eine Dunstabzugsvorrichtung umfasst..The invention relates to a combination device which comprises a hob and at least one extractor device.

Vorteile und Merkmale, die bezüglich der Filtereinheit beschrieben wurden, gelten ― soweit anwendbar - auch für das erfindungsgemäße Kombinationsgerät.Advantages and features that have been described with regard to the filter unit also apply - insofar as they are applicable - to the combination device according to the invention.

Das Kombinationsgerät weist in dem Kochfeld eine Aussparung auf, in die die Filtereinheit eingesetzt werden kann. Unterhalb der Aussparung ist das Gebläse der Dunstabzugsvorrichtung angeordnet. In der Aussparung kann als Teil der Dunstabzugsvorrichtung beispielsweise eine Wanne eingebracht sein, in die die Filtereinheit eingesetzt werden kann. Alternativ oder zusätzlich kann die Filtereinheit auch Befestigungselemente, wie beispielsweise Rastnasen aufweisen, um mit einer Wanne oder einem anderen Teil der Dunstabzugsvorrichtung zu verrasten.The combination device has a recess in the hob into which the filter unit can be inserted. The fan of the extractor device is arranged below the recess. In the recess, for example, a trough can be introduced as part of the extractor device, into which the filter unit can be inserted. As an alternative or in addition, the filter unit can also have fastening elements, such as, for example Have locking lugs to lock with a tub or another part of the extractor device.

Die Erfindung wird im Folgenden erneut unter Bezugnahme auf die beiliegenden Zeichnungen beschrieben. Es zeigen:

Figur 1
eine schematische, perspektivische Draufsicht auf eine Ausführungsform einer Filtereinheit in einer Ausführungsform des erfindungsgemäßen Kombinationsgerätes; und
Figur 2
eine schematische Explosionsansicht einer weiteren Ausführungsform der erfindungsgemäß verwendeten Filtereinheit.
The invention is described again below with reference to the accompanying drawings. Show it:
Figure 1
a schematic, perspective top view of an embodiment of a filter unit in an embodiment of the combination device according to the invention; and
Figure 2
a schematic exploded view of a further embodiment of the filter unit used according to the invention.

In Figur 1 ist eine Ausführungsform eines erfindungsgemäßen Kombinationsgerätes 1 gezeigt. Das Kombinationsgerät 1 besteht aus einem Kochfeld 10 und einer Dunstabzugsvorrichtung 11. Die Dunstabzugsvorrichtung 11 befindet sich bereichsweise unterhalb des Kochfeldes 10. Von der Dunstabzugsvorrichtung 11 ist in Figur 1 nur die Filtereinheit 12 zu sehen. Das Kochfeld 10 weist eine Aussparung 100 auf, in die die Filtereinheit 12 eingebracht ist. Unterhalb der Filtereinheit 12 ist ein Gebläse (nicht dargestellt) der Dunstabzugsvorrichtung 11 angeordnet, über das Luft durch die Filtereinheit 12 eingesaugt wird. Die Filtereinheit 12 besteht aus einem Filterhalter 121, in dem Filterelemente 120 gehalten sind. In der Ansicht in Figur 1 ist nur ein Filterelement 120 sichtbar. In der Oberseite des Filterhalters 121 ist eine Griffmulde 1220 eingebracht, über die sich ein Griffelement 1221 in Form eines Metallstreifens erstreckt.In Figure 1 an embodiment of a combination device 1 according to the invention is shown. The combination device 1 consists of a hob 10 and an extractor device 11. The extractor device 11 is located below the hob 10 in some areas Figure 1 only the filter unit 12 can be seen. The hob 10 has a recess 100 into which the filter unit 12 is introduced. A fan (not shown) of the extractor device 11, via which air is sucked in through the filter unit 12, is arranged below the filter unit 12. The filter unit 12 consists of a filter holder 121 in which filter elements 120 are held. In the view in Figure 1 only one filter element 120 is visible. A recessed grip 1220 is introduced into the top of the filter holder 121, over which a grip element 1221 in the form of a metal strip extends.

Die Ausführungsform der Filtereinheit 12 in Figur 2 unterscheidet sich von der Ausführungsform der Filtereinheit 12 in Figur 1 nur durch die Ausrichtung des Griffelementes 1221 und dem Vorsehen von Streben 1241 und 1243 an den Haltegerüsten 124.The embodiment of the filter unit 12 in Figure 2 differs from the embodiment of the filter unit 12 in FIG Figure 1 only through the alignment of the grip element 1221 and the provision of struts 1241 and 1243 on the support frames 124.

Der Aufbau der Filtereinheit 12 wird daher unter Bezugnahme auf die Figur 2 beschrieben. Die Ausführungen gelten aber auch für die Ausführungsform nach Figur 1. Die Filtereinheit 12 besteht aus einem Filterhalter 121 und zwei Filterelementen 120. Die Filterelemente 120 weisen in der dargestellten Ausführungsform einen rautenförmigen Querschnitt auf. Es ist aber auch möglich ebene Filterelemente 120 zu verwenden. In der Ausführungsform in Figur 2 weist jedes der Filterelemente 120 außer dem Filtermaterial 1200, das beispielsweise Streckmetalllagen sein kann, einen Filterrahmen 1201 auf, der das Filtermaterial 1200 hält. Erfindungsgemäß ist es aber auch möglich und bevorzugt, dass das Filterelement 120 nur aus Filtermaterial 1200 besteht und insbesondere keinen Filterrahmen 1201 aufweist.The structure of the filter unit 12 will therefore be described with reference to FIG Figure 2 described. However, the statements also apply to the embodiment according to Figure 1 . The filter unit 12 consists of a filter holder 121 and two filter elements 120. In the embodiment shown, the filter elements 120 have a diamond-shaped cross section. However, it is also possible to use flat filter elements 120. In the Embodiment in Figure 2 each of the filter elements 120, apart from the filter material 1200, which can be expanded metal layers, for example, has a filter frame 1201 that holds the filter material 1200. According to the invention, however, it is also possible and preferred that the filter element 120 consists only of filter material 1200 and in particular does not have a filter frame 1201.

Der Filterhalter 121 besteht aus einer Grundplatte 123 und zwei Haltegerüsten 124. Die Grundplatte 123 weist die Form eines langen Rechteckes auf. In der Mitte der Grundplatte 123 ist ein Griff 122 vorgesehen. Der Griff 122 wird durch eine in die Grundplatte 123 eingebrachte Griffmulde 1220 und ein dieses überspannendes Griffelement 1221, das einen schmalen Materialstreifen darstellt, gebildet. An den Rändern der Grundplatte 123 erstrecken sich Haltegerüste 124 des Filterhalters 121 nach unten. Das bedeutet, dass die beiden Haltegerüste 124 in der gleichen Richtung geneigt sind. In der dargestellten Ausführungsform ist an den beiden Längsrändern der Grundplatte 123 jeweils ein Haltegerüst 124 vorgesehen. Der Griff 122, der in der Oberseite der Grundplatte 123 vorgesehen ist, ist somit an der Seite der Grundplatte 123 angeordnet, die der Erstreckungsrichtung, der sich nach unten erstreckenden Haltegerüste 124 abgewandt ist.The filter holder 121 consists of a base plate 123 and two holding frames 124. The base plate 123 has the shape of a long rectangle. A handle 122 is provided in the center of the base plate 123. The handle 122 is formed by a recessed grip 1220 introduced into the base plate 123 and a grip element 1221 that spans this and represents a narrow strip of material. At the edges of the base plate 123, holding frames 124 of the filter holder 121 extend downward. This means that the two support frames 124 are inclined in the same direction. In the embodiment shown, a holding frame 124 is provided on each of the two longitudinal edges of the base plate 123. The handle 122, which is provided in the upper side of the base plate 123, is thus arranged on the side of the base plate 123 which faces away from the direction of extension of the downwardly extending holding frames 124.

Das Haltegerüst 124 besteht aus zwei Rahmenteilen, nämlich einem Außenrahmen 1240 und einem Innenrahmen 1242. Der Außenrahmen 1240 ist einteilig mit der Grundplatte 123 ausgestaltet. Der Innenrahmen 1242 stellt ein separates Bauteil dar, das mit dem Außenrahmen 1240 verbunden, das heißt an diesem befestigt werden kann. In der dargestellten Ausführungsform ist in dem einen Rahmenteil, nämlich dem Außenrahmen 1240 eine Strebe, die auch als Haltestrebe 1241 bezeichnet wird, vorgesehen und erstreckt sich über die Höhe der durch in dem Außenrahmen 1240 gebildeten Öffnung. An dem weiteren Rahmenteil, nämlich dem Innenrahmen 1242 sind in der dargestellten Ausführungsform zwei Streben, die auch als Stützstreben 1243 bezeichnet werden, vorgesehen. Die Stützstreben 1243 erstrecken sich über die Höhe der in dem Innenrahmen 1242 gebildeten Öffnung. In der dargestellten Ausführungsform sind die Stützstreben 1243 zu der Haltestrebe 1241 versetzt angeordnet. Die Haltegerüste 124 sind zu der Grundplatte 123 geneigt angeordnet. Zwischen den Rahmenteilen des Haltegerüstes 124, das heißt zwischen dem Außenrahmen 1240 und dem Innenrahmen 1242 wird ein Filterelement 120 aufgenommen.The holding frame 124 consists of two frame parts, namely an outer frame 1240 and an inner frame 1242. The outer frame 1240 is designed in one piece with the base plate 123. The inner frame 1242 represents a separate component that can be connected to the outer frame 1240, that is to say can be fastened to it. In the embodiment shown, a strut, which is also referred to as a retaining strut 1241, is provided in one frame part, namely the outer frame 1240, and extends over the height of the opening formed by the outer frame 1240. On the further frame part, namely the inner frame 1242, two struts, which are also referred to as support struts 1243, are provided in the embodiment shown. The support struts 1243 extend the height of the opening formed in the inner frame 1242. In the embodiment shown, the support struts 1243 are arranged offset with respect to the holding strut 1241. The holding frames 124 are arranged inclined to the base plate 123. A filter element 120 is received between the frame parts of the holding frame 124, that is to say between the outer frame 1240 and the inner frame 1242.

Zur Montage der Filtereinheit wird das Filterelement 120 zunächst in das eine Rahmenteil, nämlich den Außenrahmen 1240, von innen eingelegt. Anschließend wird das weitere Rahmenteil, nämlich der Innenrahmen 1242 von innen angelegt und mit dem Außenrahmen 1240 verbunden. Die Verbindung kann beispielsweise durch Verkleben, Verschweißen oder durch Verrasten erzeugt werden. Nach dem Verbinden des Außenrahmens 1240 mit dem Innenrahmen 1242 ist das Filterelement 120 wie in der Figur 2 auf der linken Seite gezeigt, zwischen den Rahmenteilen 1240 und 1242, das heißt in dem Haltegerüst 124 gehalten.To assemble the filter unit, the filter element 120 is first inserted from the inside into one frame part, namely the outer frame 1240. The further frame part, namely the inner frame 1242, is then applied from the inside and connected to the outer frame 1240. The connection can be produced, for example, by gluing, welding or locking. After connecting the outer frame 1240 to the inner frame 1242, the filter element 120 is as in FIG Figure 2 shown on the left, between the frame parts 1240 and 1242, that is held in the support frame 124.

In diesem Zustand kann die Filtereinheit 12 auf einfache Weise in eine Öffnung einer Dunstabzugsvorrichtung 11 eingebracht werden. Insbesondere kann die Filtereinheit in eine Aussparung 100 eines Kochfeldes 10, unterhalb derer das Gebläse einer Dunstabzugsvorrichtung 11 eines Kombinationsgerätes 1 vorgesehen ist, eingesetzt werden. Die Filtereinheit 12 wird so eingesetzt, dass die Grundplatte 123 die Oberseite der Filtereinheit 12 bildet. Die Haltegerüste 124 sind somit im eingebauten Zustand unter der Grundplatte 123 angeordnet, das heißt erstrecken sich von der Grundplatte 123 aus nach unten. In der gezeigten Ausführungsform stehen die Haltegerüste 124 in einem Winkel größer 90° zu der Unterseite der Grundplatte 123, das heißt sind leicht nach außen geneigt. Hierdurch kann ein sicheres Anströmen der in den Haltegerüsten 124 gehaltenen Filterelemente 120 von Luft, die in die Aussparung 100 eingesaugt wird, gewährleistet werden.In this state, the filter unit 12 can be introduced into an opening of an extractor device 11 in a simple manner. In particular, the filter unit can be inserted into a recess 100 of a hob 10, below which the fan of an extractor device 11 of a combination device 1 is provided. The filter unit 12 is inserted in such a way that the base plate 123 forms the top of the filter unit 12. In the installed state, the holding frames 124 are thus arranged under the base plate 123, that is to say extend downward from the base plate 123. In the embodiment shown, the holding frames 124 are at an angle greater than 90 ° to the underside of the base plate 123, that is, they are inclined slightly outward. In this way, a reliable flow of air onto the filter elements 120 held in the holding frames 124, which is sucked into the recess 100, can be ensured.

Die Filtereinheit 12 kann in der Dunstabzugsvorrichtung 11 beispielsweise in eine Wanne oder andere Befestigungsvorrichtung der Dunstabzugsvorrichtung 11 eingesetzt werden. Die Unterkanten der Haltegerüste 124 liegen dabei auf dem Wannenboden der Dunstabzugsvorrichtung 11 auf und die Filtereinheit 12 wird so gehalten. Zusätzlich oder alternativ können an der Filtereinheit 12 eine oder mehrere Befestigungselemente, beispielsweise in Form von Rastnasen 125 vorgesehen sein. Diese Befestigungselemente sind vorzugsweise zu der oder den Haltegerüsten 124 versetzt an dem Filterhalter 121 vorgesehen. Insbesondere können die Befestigungselemente durch Rastarme, die sich von den Rändern der Grundplatte 123 aus nach unten erstrecken, an denen kein Haltegerüst vorgesehen ist, realisiert sein. In der dargestellten Ausführungsform sind die Befestigungselemente, von denen nur eines in Form einer Rastnase 125 zu sehen ist, an Rastarmen vorgesehen, die sich von den kurzen Rändern der länglichen Grundplatte 123 aus nach unten erstrecken.The filter unit 12 can be used in the extractor device 11, for example in a tub or other fastening device of the extractor device 11. The lower edges of the holding frames 124 lie on the tub floor of the extractor device 11 and the filter unit 12 is held in this way. Additionally or alternatively, one or more fastening elements, for example in the form of latching lugs 125, can be provided on the filter unit 12. These fastening elements are preferably provided on the filter holder 121 offset with respect to the holding frame (s) 124. In particular, the fastening elements can be implemented by latching arms which extend downward from the edges of the base plate 123, on which no holding frame is provided. In the embodiment shown, the fastening elements, only one of which can be seen in the form of a latching lug 125, are provided on latching arms which extend downward from the short edges of the elongated base plate 123.

Die vorliegende Erfindung weist eine Reihe von Vorteilen auf. Zum einen wird durch die Erfindung eine einfache Möglichkeit geschaffen Streckmetalllagen zur Fettfilterung an mehreren Einsaugöffnungen einer Dunstabzugsvorrichtung, die beispielsweise eine Muldenlüftung darstellen kann in einer Filtereinheit, die auch als Gehäuse bezeichnet werden kann, zusammenzufassen.The present invention has a number of advantages. On the one hand, the invention creates a simple possibility of combining expanded metal layers for filtering grease at several intake openings of an extractor device, which can represent, for example, downdraft ventilation in a filter unit, which can also be referred to as a housing.

Die zur Reinigung im Geschirrspüler entnehmbare Filtereinheit, die auch als Fettfiltergehäuse bezeichnet werden kann, kann mindestens zwei Filterelemente, die beispielsweise Streckmetallfilter sein können, in einer Einheit zusammen.The filter unit which can be removed for cleaning in the dishwasher, which can also be referred to as a grease filter housing, can combine at least two filter elements, which can be, for example, expanded metal filters, in one unit.

Somit müssen die fettigen Streckmetallfilter zur Reinigung nicht einzeln entnommen werden. Man kann vielmehr die Filtereinheit, entgegen den bekannten Lösungen, zusammen an einem Griff, der weitestgehend fettfrei geblieben ist, da er sich nicht im Wrasenbereich befindet, entnehmen. Die Filtereinheit kann ohne erneutes Greifen in den Geschirrspüler gestellt werden. Dies ist ein sauberer Arbeitsgang entgegen dem Normalfall, bei dem man jeden der einzelnen Fettfilter angreifen muss, wobei es sich meist nicht vermeiden lässt das gefilterte Fett zu berühren.This means that the greasy expanded metal filters do not have to be removed individually for cleaning. Rather, contrary to the known solutions, the filter unit can be removed from a handle which has remained largely free of grease since it is not located in the vapor area. The filter unit can be put into the dishwasher without having to touch it again. This is a clean operation, contrary to the normal case, in which you have to attack each of the individual grease filters, whereby it is usually unavoidable to touch the filtered grease.

BezugszeichenlisteList of reference symbols

11
KombinationsgerätCombination device
1010
KochfeldHob
100100
AussparungRecess
1111th
DunstabzugsvorrichtungExtractor device
1212th
FiltereinheitFilter unit
120120
FilterelementFilter element
12001200
FiltermaterialFilter material
12011201
FilterrahmenFilter frame
121121
FilterhalterFilter holder
122122
Griffhandle
12201220
GriffmuldeRecessed grip
12211221
GriffelementHandle element
123123
GrundplatteBase plate
124124
HaltegerüstSupport frame
12401240
AußenrahmenOuter frame
12411241
HaltestrebeRetaining strut
12421242
InnenrahmenInner frame
12431243
StützstrebeSupport strut
125125
RastnaseLocking lug

Claims (8)

  1. Combination appliance, which comprises a hob and at least one vapour extraction apparatus, wherein the vapour extraction apparatus is located below the hob, at least in regions, wherein the vapour extraction apparatus has at least one filter unit, which has at least one filter element (120) and at least one filter holder (121), wherein
    the hob has a recess and the filter unit is introduced into the recess of the hob, characterised in that
    the filter holder (121) has a base plate (123) with at least one grip (122), and at least one holding framework (124), which is arranged at an incline towards the base plate (123) and is rigidly connected to the base plate (123),
    at least one of the filter elements (120) is held in each holding framework (124),
    the grip (122) is arranged on the side of the base plate (123) that faces away from the extension direction of the at least one holding framework (124),
    the filter holder (121) has at least two holding frameworks (124),
    the grip (122) is provided on the top side of the base plate (123) and
    the holding frameworks (124) extend downwards from the base plate (123).
  2. Combination appliance according to claim 1, characterised in that the at least two holding frameworks (124) are inclined towards the base plate (123) in the same direction.
  3. Combination appliance according to one of claims 1 or 2, characterised in that the holding framework (124) consists of at least two frame parts (1240, 1242), which are connected to one another in a detachable or non-detachable manner.
  4. Combination appliance according to claim 3, characterised in that a first of the frame parts (1240, 1242) of the holding framework (124) is embodied in one piece with the base plate (123) and a second of the frame parts (1242, 1240) is connected to the first frame part (1240, 1242).
  5. Combination appliance according to claim 3 or 4, characterised in that the two frame parts (1240, 1242) are fastened to one another at at least some of their edges.
  6. Combination appliance according to one of claims 3 to 5, characterised in that the one frame part (1240, 1242) of the holding framework (124) represents an inner frame (1242) and one frame part (1240, 1242) of the holding framework (124) represents an outer frame (1240) and preferably at least one holding strut (1241) or supporting strut (1243) is provided in both frame parts (1240, 1242) in each case.
  7. Combination appliance according to one of claims 1 to 6, characterised in that the filter element (120) consists of filter material (1200).
  8. Combination appliance according to one of claims 1 to 7, characterised in that at least one of the holding frameworks (124) is arranged on an edge of the base plate (123).
EP17185794.9A 2016-08-26 2017-08-10 Combinations appliance comprising a cooking hob and a fume extractor Active EP3287701B1 (en)

Applications Claiming Priority (1)

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EP16290160 2016-08-26

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3775700B1 (en) * 2018-04-10 2023-08-02 BSH Hausgeräte GmbH Fume extraction device comprising filter device
DE102019212492A1 (en) * 2019-08-21 2021-02-25 BSH Hausgeräte GmbH TABLE VENTILATION
EP3839356A1 (en) * 2019-12-18 2021-06-23 BSH Hausgeräte GmbH Filter unit and fume extractor with filter unit
EP3951270A1 (en) * 2020-08-05 2022-02-09 Electrolux Appliances Aktiebolag Combination appliance
IT202000027516A1 (en) * 2020-11-17 2022-05-17 Faber Spa IMPROVED FILTER GROUP FOR EXTRACTOR HOOD

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DE102016211206A1 (en) * 2016-06-22 2017-12-28 Wilhelm Bruckbauer Insert for a tray ventilator

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JPS4417592Y1 (en) * 1967-02-14 1969-07-30
US4610705A (en) * 1984-11-06 1986-09-09 Broan Manufacturing Co. Inc. Filter for ductless range hood
DE10162921A1 (en) * 2001-12-20 2003-07-24 Bsh Bosch Siemens Hausgeraete Safety device for a filter element
CN100509114C (en) * 2002-03-01 2009-07-08 格林海克风机股份有限公司 Two-stage air filter
US20120204855A1 (en) * 2011-02-04 2012-08-16 Huber John J Cooking Device with Ventilation and Filtration System
HUE037975T2 (en) * 2013-05-31 2018-09-28 Acticon Ab Filter unit, its use and method of cleaning contaminated air

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