EP1340944B1 - Extractor hood and Process for replacing or placing filters - Google Patents
Extractor hood and Process for replacing or placing filters Download PDFInfo
- Publication number
- EP1340944B1 EP1340944B1 EP03002699A EP03002699A EP1340944B1 EP 1340944 B1 EP1340944 B1 EP 1340944B1 EP 03002699 A EP03002699 A EP 03002699A EP 03002699 A EP03002699 A EP 03002699A EP 1340944 B1 EP1340944 B1 EP 1340944B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filter cassette
- extractor hood
- housing
- frame
- hood
- 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.)
- Expired - Lifetime
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Images
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
Definitions
- the present invention relates to a fume hood for extracting fumes and a method for changing or inserting filters in such a fume hood.
- the term "haze" is understood to mean any form of gaseous carrier material which is contaminated with solid or liquid substances of small particle size.
- hoods in kitchens where they are used to extract and / or clean cooking fumes produced at a cooking place.
- Hoods are now part of every modern kitchen, with the use of hoods is not limited to the field of kitchen technology. Even in clean rooms, on industrial jobs, such. B. on machine tools with coolant, but also in smoking corners hoods are used in each case adapted. In all the aforementioned cases forms a respective room air, the gaseous carrier, which is burdened for example by dust, smoke, water, grease, oil, etc.
- Exhaust hoods include in a basic form a fan, a hood which tapers in the withdrawal direction and a grease filter covering the fan inlet.
- An improved extraction of cooking fumes caused the use of increasingly larger grease filters.
- combined or cascaded grease filters are also used.
- Grease filters are usually designed in the form of filter cassettes.
- Such filter cassettes are usually fixed in the range of Gebläungsananges to a housing of the hood.
- the filter cassettes are also designed for removal by a user for maintenance or cleaning purposes. In the course of this change work, the problem arises that the grease filter or the entire filter cartridge to be secured during removal and also when reinstalling the hood housing for protection of persons and material against accidental drops.
- Filter cartridges modern cooker hoods have due to their size and the filter technology used in each case a relatively high weight on. Especially with design food or design hoods, filter cartridges can cause damage and / or injury when removed for cleaning by the user due to their weight and shape when dropped. Since in this regard manually operated fittings have proven to be inadequate, folding handles have been arranged in the range of a filter cartridge in known extractor hoods. However, such additional elements are very disturbing when adapted to design requirements or other requirements with respect to an outer housing dimension and housing design.
- safety measures have been proposed in the form of safety chains, which are provided, for example, in the region of slide seals on a user-facing sides of the filter cartridge.
- safety chains which are provided, for example, in the region of slide seals on a user-facing sides of the filter cartridge.
- the securing element is to be attached as a separate part in plastic or metal design to a frame of the filter cartridge, wherein at least one adapted recess for receiving a free and thickened executed end portion of the securing element is provided on the housing of the hood.
- a take-off device in which a filter device is introduced at the top of a housing.
- the filter device is in this case optionally connected via a rotatably mounted in the opening of the housing holding rail or provided on the filter device hooks with the housing.
- the filter cartridge is moved in the opening by actuation of at least one elastic element, for example a spring, such that lugs provided on the filter cartridge engage with recesses at the opening edge.
- An extractor hood according to the invention is characterized accordingly in that it comprises a filter cartridge which is formed after a first fixing in the form of hanging at least one connected to a frame of the filter cartridge tab on the housing of the hood for closing in the course of a pivoting movement, wherein the tab is formed on the frame of the filter cartridge to form a hinge-like connection with the respectively associated recess of the housing of the hood for receiving the weight of the filter cartridge is substantially hook-shaped.
- the starting point for a device according to the invention thus forms a known extractor hood, wherein the filter cartridge has at least one fixed tab and a sliding latch as fixing element or lock on substantially opposite sides of a frame.
- the at least one tab is inserted into a correspondingly formed recess on the housing of the extractor hood first when inserting the filter cartridge.
- this tab is now able to form a joint-like connection due to its hook-shaped configuration.
- the filter cassette is already fixed to the housing of the extractor hood at an early stage of the closing movement in such a way that the fat filter no longer protrudes from this position even at a higher dead weight. and fall down.
- a subsequent, one-handed feasible pivoting movement is therefore carried out at greatly reduced effort, since the articulated connection between the tab and the housing of the hood already absorbs the weight of the filter cartridge. Even if accidentally releasing the filter cartridge, an arrangement according to the invention has a very advantageous effect, since here the filter cartridge now only oscillates around the articulated connection, but the filter cartridge can not fall down.
- the articulated connection between the hook-shaped tab of the frame of the filter cartridge together with a corresponding Recess on the housing of the hood formed such that the filter cartridge can be removed only in a range of a predetermined angular position.
- a removal can be brought about only by slightly lifting the filter cartridge in this position.
- the at least one hook-shaped tab is formed as an integral part of a corresponding part of the frame of the filter cartridge.
- the hook-shaped tab is manufactured as a single part and fixed at a corresponding point of the frame of the filter cartridge by riveting and / or welded.
- FIG. 1 show a hood according to the invention 1 as a detail of a perspective view.
- the illustrated view is rendered simplified.
- the method steps are indicated by a superimposed enlargement of section with depiction of a preceding method step and the respectively shown arrows in the illustration of FIG.
- the fat filter 2 is therefore designed in the manner shown in Figure 1 as a filter matrix with a multi-layered internal structure in the form of individual segments, which in turn are designed to increase the mechanical stability, the prevention of additional rattling noises, etc. as a filter cassettes 3.
- the illustrated visible outer surface consists of the above-mentioned reasons of increasing the mechanical stability from a stainless steel expanded metal, which progressively followed onward inside further filter layers, which will not be discussed further at this point, since the structure of the grease filter 2 itself is not considered to be essential to the invention.
- FIG. 1 A first step in the insertion of such a filter cartridge 3 is shown in the enlarged detail drawing of Fig. 1.
- the filter cartridge 3 is bounded by a non-illustrated inner filter assembly by a frame 4 made of metallic extruded profiles.
- a frame 4 made of metallic extruded profiles.
- two hook-shaped tabs 6 are arranged on the frame 4.
- the tabs 6 are respectively inserted into associated recesses 7 of a housing 8 of the hood 1. Due to the hook-shaped design of the tabs 6 results in interaction with the recesses 7 each articulated connection between the filter cartridge 3 and the housing 8 of the hood 1. This articulated connection is designed to accommodate the weight of the filter cartridge 3.
- a fixing element 9 in the form of a lock or a known sliding latch is equipped with a type of grip on the cassette in a region near the frame 4 arranged so that a force necessary to close the cassette on the hood 1 force under favorable leverage by hand in the shown applied manner around a defined pivot point and is automatically used for secure locking of the cassette 3 on the hood 1.
- the fixing element 9 When opening the hood 1, the fixing element 9 is actuated by hand, with the inventive articulated connection between the cassette 3 and the hood 1 and the housing 8, the filter cartridge 3, not in this case, with the result of possible injury to the operator or Damage to the hood 1 or a cooking surface placed below can fall down.
- the removal of the cassette 3 from the hood 1 out must rather be deliberately and deliberately brought about.
- a cancellation of the articulation of the filter cartridge 3 described above with the housing 8 of the hood 1 is to bring about.
- the hook-shaped part of the tab 6 can be seen from a respective recess 7 of the housing 8 by lifting the cassette 3.
- this removal of the cassette 3 can be done only in a range of a predetermined angle of inclination of the cassette 3 relative to the housing 8 of the hood 1 in a convenient way for a user.
- This situation is indicated for the installation process in the detail drawing of Figure 1 and can also be used in the case of a removal in an analogous manner.
- FIG. 2 is an enlarged view of the part of the frame 4 of the filter cartridge 3 is sketched as a section on which in the present embodiment, two tabs 6 to form a hinged connection between the cassette 3 and the housing 8 of the hood 1 in the above are provided described manner.
- the frame 4 is made of extruded metal.
- the two tabs 6 are integrally connected to the frame 4 in the present embodiment.
- additional support rails 10 are integrally integrated into the frame 4 in manufacturing technology simple manner, which serve a fixation of filter materials 2 in a simple or cascaded form.
- the support rails 10 cause additional reinforcement and thus an increase in the bending stiffness of the entire frame. 4
- An edge extraction of the resulting haze is effected in the present case in the region of the frame 4, characterized in that in the extruded profile of a respective frame portion recesses 11 have been introduced, here by punching and / or holes.
- the filter material 2 arranged here behind the recesses 11 is of lesser thickness than the filter material which forms the actual surface of the cassette 3.
- the tabs 6 are fixed at predetermined location as individual parts by rivets on the frame 4.
- the parts of the frame 4 are produced as punched and bent parts made of sheet metal, preferably being used as metallic materials, stainless steel or aluminum.
- FIG. 3a and 3b an alternative form of a hinge-like connection between a cassette 3 and a housing 8 of the hood 1 is shown.
- a substantially T-shaped recess 7 is provided on the housing 8, in which a now substantially flat trained and double-hooked in plan view head portion 13 of a respective tab 6 is inserted.
- a curved arrow for the For the expert in an understandable manner resulting rotational mobility of the under the action of the weight of the cassette 3 securely holding articulated fixation.
- a drawn in the figure of Figure 3a length 1 of both sides of the head portion 13 provided recess 14 serves to adjust an angle under which the cassette 3 in articulated connection with the housing 8 of the hood 1 under elastic tension in a permanent rest position in the open Condition can be.
- This opening position can for example be used to replace components that are arranged in a manner not shown in the drawing behind the cassettes 3 in an interior of the housing 8 of the hood 1.
- a device according to the invention is distinguished not only by significantly simplified production but also by a manner described above, simple and user-friendly in every respect.
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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)
- Ventilation (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Abzugshaube zum Absaugen von Dunst sowie ein Verfahren zum Wechseln oder Einsetzen von Filtern in einer derartigen Abzugshaube. Dabei wird im Rahmen der vorliegenden Erfindung unter dem Begriff "Dunst" jede Form von gasförmigem Trägermaterial verstanden, der mit festen oder flüssigen Stoffen geringer Partikelgröße kontaminiert ist.The present invention relates to a fume hood for extracting fumes and a method for changing or inserting filters in such a fume hood. In the context of the present invention, the term "haze" is understood to mean any form of gaseous carrier material which is contaminated with solid or liquid substances of small particle size.
Ihren wesentlichen Einsatzbereich finden Abzugshauben in Küchen, wo sie zum Absaugen und/oder Reinigen von Kochdünsten verwendet werden, die an einer Kochstelle entstehen. So sind Abzugshauben heute Bestandteil jeder modernen Küche, wobei die Verwendung von Abzugshauben nicht auf den Bereich der Küchentechnik beschränkt ist. Auch in Reinsträumen, über industriellen Arbeitsstellen, wie z. B. über Werkzeugmaschinen mit Kühlmitteleinsatz, aber auch in Raucherecken werden Dunstabzugshauben in jeweils angepasster Weise eingesetzt. In allen vorgenannten Fällen bildet eine jeweilige Raumluft den gasförmigen Trägerstoff, der beispielsweise durch Staub, Rauch, Wasser, Fett, Öl etc. belastet ist.Their main area of use is hoods in kitchens, where they are used to extract and / or clean cooking fumes produced at a cooking place. Hoods are now part of every modern kitchen, with the use of hoods is not limited to the field of kitchen technology. Even in clean rooms, on industrial jobs, such. B. on machine tools with coolant, but also in smoking corners hoods are used in each case adapted. In all the aforementioned cases forms a respective room air, the gaseous carrier, which is burdened for example by dust, smoke, water, grease, oil, etc.
Im Bereich der Küchentechnik, als dem am weitest verbreiteten Einsatzgebiet von Abzugshauben, werden an derartige Vorrichtungen aus lebensmitteltechnischen oder gesundheitlichen Gründen sehr hohe Anforderungen gestellt, wobei auch ästhetische Gesichtspunkte für ein Absaugen von Kochdünsten sowie ein sicheres Auffangen und Zurückhalten der in den Kochdünsten enthaltenen Stoffe sprechen. Für die vorstehend beispielhaft genannten Inhaltsstoffe von Dünsten wird im Bereich der Küchentechnik der Terminus "Wrasen" als Sammelbegriff verwendet.In the field of kitchen technology, as the most widespread use of fume hoods, very high demands are placed on such devices for food or health reasons, including aesthetic considerations for suction of cooking fumes and safe capture and retention of the substances contained in the cooking fumes , For the ingredients of fumes exemplified above, the term "vapor" is used in the field of kitchen technology as a collective term.
Abzugshauben umfassen in einer Grundform ein Gebläse, eine sich in Abzugsrichtung verjüngend ausgebildete Haube und einen den Gebläseeingang abdeckenden Fettfilter. Eine verbesserte Absaugung von Kochdünsten bewirkte den Einsatz zunehmend größerer Fettfilter. In modernen Abzugshauben werden zudem kombinierte oder kaskadierte Fettfilter eingesetzt. Zur leichteren Handhabung, aber auch zur mechanischen Stabilisierung, werden Fettfilter in der Regel in Form von Filterkassetten ausgeführt. Derartige Filterkassetten werden in der Regel im Bereich eines Gebläseeinganges an einem Gehäuse der Dunstabzugshaube fixiert. Dabei sind die Filterkassetten auch zu einer Entnahme durch einen Anwender zu Wartungs- bzw. Reinigungszwecken ausgebildet. Im Zuge dieser Wechselarbeiten tritt das Problem auf, dass das Fettfilter oder die gesamte Filterkassette bei einer Entnahme und auch beim Wiedereinsetzen an dem Abzugshauben-Gehäuse zum Schutz für Mensch und Material gegen ein versehentliches Herunterfallen zu sichern sind. Filterkassetten moderner Dunstabzugshauben weisen aufgrund ihrer Größe und der jeweils eingesetzten Filtertechnologie ein relativ hohes Eigengewicht auf. Gerade bei Design-Essen bzw. Design-Abzugshauben können Filterkassetten bei der Entnahme zwecks Reinigung durch den Benutzer durch ihr Gewicht und ihre Form beim Herunterfallen Schäden und/oder Verletzungen verursachen. Da sich in dieser Hinsicht von Hand betätigender Verschraubungen als unzureichend herausgestellt haben, sind in bekannten Dunstabzugshauben Klappgriffe im Bereich einer Filterkassette angeordnet worden. Derartige zusätzliche Elemente wirken sich jedoch bei einer Anpassung an Design-Anforderungen oder sonstige Vorgaben hinsichtlich einer äußeren Gehäuseabmessung und Gehäusegestaltung sehr störend aus.Exhaust hoods include in a basic form a fan, a hood which tapers in the withdrawal direction and a grease filter covering the fan inlet. An improved extraction of cooking fumes caused the use of increasingly larger grease filters. In modern extractor hoods, combined or cascaded grease filters are also used. For easier handling, but also for mechanical stabilization, Grease filters are usually designed in the form of filter cassettes. Such filter cassettes are usually fixed in the range of Gebläungsananges to a housing of the hood. The filter cassettes are also designed for removal by a user for maintenance or cleaning purposes. In the course of this change work, the problem arises that the grease filter or the entire filter cartridge to be secured during removal and also when reinstalling the hood housing for protection of persons and material against accidental drops. Filter cartridges modern cooker hoods have due to their size and the filter technology used in each case a relatively high weight on. Especially with design food or design hoods, filter cartridges can cause damage and / or injury when removed for cleaning by the user due to their weight and shape when dropped. Since in this regard manually operated fittings have proven to be inadequate, folding handles have been arranged in the range of a filter cartridge in known extractor hoods. However, such additional elements are very disturbing when adapted to design requirements or other requirements with respect to an outer housing dimension and housing design.
Alternativ sind Sicherungsmaßnahmen in Form von Sicherungsketten vorgeschlagen worden, die beispielsweise im Bereich von Schieberiegeln an einer dem Anwender zugewandten Seiten der Filterkassette vorgesehen sind. Auch in der vereinfachten und verbesserten Form eines Knotenbandes bzw. eines flexiblen Halteelements mit endseitiger Verdickung zum Einhängen und Aushängen an einer gehäuseseitig vorgesehenen, ungefähr Schlüsselloch-förmigen Ausnehmung erweist sich diese Lösung mindestens in der Fertigung als zusätzlicher Aufwand. Das Sicherungselement ist als getrenntes Teil in Kunststoff- oder Metallausführung an einem Rahmen der Filterkassette zu befestigen, wobei mindestens eine angepasste Ausnehmung zur Aufnahme eines freien und verdickt ausgeführten Endbereiches des Sicherungselementes an dem Gehäuse der Abzugshaube vorzusehen ist.Alternatively, safety measures have been proposed in the form of safety chains, which are provided, for example, in the region of slide seals on a user-facing sides of the filter cartridge. Even in the simplified and improved form of a knot strip or a flexible holding element with end-side thickening for hanging and unhooking on a housing side provided approximately keyhole-shaped recess, this solution proves to be an additional expense at least in manufacturing. The securing element is to be attached as a separate part in plastic or metal design to a frame of the filter cartridge, wherein at least one adapted recess for receiving a free and thickened executed end portion of the securing element is provided on the housing of the hood.
Weiterhin ist aus der
Weitere typische Vertreter des Standes der Technik repräsentieren die Patentschriften
Es ist die Aufgabe der vorliegenden Erfindung, eine Abzugshaube zu schaffen, bei der Sicherungsvorrichtungen gegen ein Herunterfallen einer Filterkassette im Zuge eines Wechselvorganges mit dem Ziel einer Vereinfachung der Herstellung sowie der Handhabung weitergebildet sind.It is the object of the present invention to provide a fume hood in which safety devices against falling down of a filter cartridge in the course of a change process with the aim of simplifying the production and handling are developed.
Diese Aufgabe wird durch die Merkmale von Anspruch 1 gelöst. Auch der Gegenstand des unabhängigen Verfahrensanspruchs nach Anspruch 9 stellt eine Lösung für diese Aufgabe dar. Vorteilhafte Weiterbildungen sind Gegenstand der jeweiligen Unteransprüche.This object is solved by the features of
Eine erfindungsgemäße Dunstabzugshaube zeichnet sich dementsprechend dadurch aus, dass sie eine Filterkassette aufweist, die nach einem ersten Fixieren in Form eines Einhängens mindestens einer mit einem Rahmen der Filterkassette verbundenen Lasche an dem Gehäuse der Dunstabzugshaube zum Schließen im Zuge einer Schwenkbewegung ausgebildet ist, wobei die Lasche an dem Rahmen der Filterkassette zur Ausbildung einer gelenkartigen Verbindung mit der jeweils zugehörigen Ausnehmung des Gehäuses der Abzugshaube zur Aufnahme der Gewichtskraft der Filterkassette im Wesentlichen hakenförmig ausgebildet ist.An extractor hood according to the invention is characterized accordingly in that it comprises a filter cartridge which is formed after a first fixing in the form of hanging at least one connected to a frame of the filter cartridge tab on the housing of the hood for closing in the course of a pivoting movement, wherein the tab is formed on the frame of the filter cartridge to form a hinge-like connection with the respectively associated recess of the housing of the hood for receiving the weight of the filter cartridge is substantially hook-shaped.
Ausgangspunkt für eine erfindungsgemäße Vorrichtung bildet also eine bekannte Dunstabzugshaube, bei der die Filterkassette an im Wesentlichen gegenüberliegenden Seiten eines Rahmens mindestens eine feststehende Lasche und einen Schieberiegel als Fixierungselement bzw. Schloss aufweist. Auch nach einem erfindungsgemäßen Verfahren wird beim Einsetzen der Filterkassette zuerst die mindestens eine Lasche in eine entsprechend ausgebildete Ausnehmung an dem Gehäuse der Dunstabzugshaube eingeführt. Im Unterschied zu bekannten Dunstabzugshauben ist diese Lasche jedoch nun aufgrund ihrer hakenförmigen Ausformung zur Ausbildung einer gelenkartigen Verbindung in der Lage. Durch diese gelenkartige Verbindung ist die Filterkassette nun bereits in einem frühen Stadium der Schließbewegung derart an dem Gehäuse der Dunstabzugshaube fixiert, dass das Fettfilter selbst bei höherem Eigengewicht nicht mehr aus dieser Lage heraus- und herunterfallen kann. Eine anschließende, einhändig durchführbare Schwenkbewegung ist dementsprechend bei stark vermindertem Kraftaufwand durchzuführen, da die gelenkartige Verbindung zwischen der Lasche und dem Gehäuse der Dunstabzugshaube bereits die Gewichtskraft der Filterkassette aufnimmt. Auch bei einem versehentlichen Loslassen der Filterkassette wirkt sich eine erfindungsgemäße Anordnung sehr vorteilhaft aus, da hier nun die Filterkassette um die gelenkartige Verbindung herum nur noch pendeln, jedoch die Filterkassette nicht herunterfallen kann.The starting point for a device according to the invention thus forms a known extractor hood, wherein the filter cartridge has at least one fixed tab and a sliding latch as fixing element or lock on substantially opposite sides of a frame. Even after a method according to the invention, the at least one tab is inserted into a correspondingly formed recess on the housing of the extractor hood first when inserting the filter cartridge. In contrast to known cooker hoods, however, this tab is now able to form a joint-like connection due to its hook-shaped configuration. As a result of this articulated connection, the filter cassette is already fixed to the housing of the extractor hood at an early stage of the closing movement in such a way that the fat filter no longer protrudes from this position even at a higher dead weight. and fall down. A subsequent, one-handed feasible pivoting movement is therefore carried out at greatly reduced effort, since the articulated connection between the tab and the housing of the hood already absorbs the weight of the filter cartridge. Even if accidentally releasing the filter cartridge, an arrangement according to the invention has a very advantageous effect, since here the filter cartridge now only oscillates around the articulated connection, but the filter cartridge can not fall down.
In einer Weiterbildung der Erfindung ist die gelenkartige Verbindung zwischen der hakenförmigen Lasche des Rahmens der Filterkassette zusammen mit einer entsprechenden Ausnehmung an dem Gehäuse der Dunstabzugshaube derart ausgebildet, dass die Filterkassette nur in einem Bereich einer vorbestimmten Winkelstellung entnommen werden kann. Vorzugsweise kann eine Entnahme nur durch leichtes Anheben der Filterkassette in dieser Stellung herbeigeführt werden.In a further development of the invention, the articulated connection between the hook-shaped tab of the frame of the filter cartridge together with a corresponding Recess on the housing of the hood formed such that the filter cartridge can be removed only in a range of a predetermined angular position. Preferably, a removal can be brought about only by slightly lifting the filter cartridge in this position.
In eine bevorzugten Ausführungsform der Erfindung ist die mindestens eine hakenförmig ausgebildete Lasche als einstückiger Bestandteil eines entsprechenden Teils des Rahmens der Filterkassette ausgebildet. Alternativ dazu wird die hakenförmige Lasche als Einzelteil gefertigt und an einer entsprechenden Stelle des Rahmens der Filterkassette durch Vernieten fixiert und/oder verschweißt.In a preferred embodiment of the invention, the at least one hook-shaped tab is formed as an integral part of a corresponding part of the frame of the filter cartridge. Alternatively, the hook-shaped tab is manufactured as a single part and fixed at a corresponding point of the frame of the filter cartridge by riveting and / or welded.
Insgesamt betrachtet sind im Gegensatz zu bekannten Lösungen, die mit Sicherungsketten und angepassten Ausnehmungen etc. arbeiten, in einer erfindungsgemäßen Vorrichtung keine zusätzlichen und manuell separat zu lösenden Elemente vorhanden. Dennoch wird auch bei einem erfindungsgemäßen Sicherungs- und Befestigungskonzept das Entfernen einer Filterkassette aus der Dunstabzugshaube stets ein bewusstes Lösen der Filterkassette erforderlich machen, die einen Anwender zur Minderung der Gefahr eines Herunterfallens auf eine erhöhte Kraftaufwendung vorbereitet, die aufgrund des Gewichts der Filterkassette erforderlich ist.Overall, in contrast to known solutions that work with security chains and customized recesses, etc., in an inventive device no additional and manually separate elements to be solved available. Nevertheless, even with a securing and fastening concept according to the invention, the removal of a filter cartridge from the hood will always require a deliberate release of the filter cartridge which prepares a user to reduce the risk of falling to increased force required due to the weight of the filter cartridge.
Weitere Vorteile einer erfindungsgemäßen Vorrichtung werden nachfolgend unter Bezugnahme auf die Zeichnung mit Ausführungsbeispielen der Erfindung dargestellt und beschrieben. In der Zeichnung zeigen:
- Figur 1:
- einen Ausschnitt einer perspektivischen Darstellung einer erfindungsgemäßen Dunstabzugshaube während des Abschlusses eines Einsetz-Vorganges mit einer Detaileinblendung zur Verdeutlichung eines Verfahrensablaufes;
- Figur 2:
- eine vergrößerte Darstellung eines Rahmenteils einer Filterkassette mit einer Lasche zur Ausbildung einer gelenkartigen Verbindung und
- Figur 3:
- eine alternative Ausführungsform einer gelenk-artigen Verbindung eines Rahmenteils mit einer Filterkassette.
- FIG. 1:
- a detail of a perspective view of an extractor hood according to the invention during the completion of an insertion process with a Detaileinblendung to illustrate a process flow;
- FIG. 2:
- an enlarged view of a frame part of a filter cartridge with a tab to form a hinged connection and
- FIG. 3:
- an alternative embodiment of a hinge-like connection of a frame part with a filter cartridge.
Die Abbildungen von Figur 1 zeigen eine erfindungsgemäße Abzugshaube 1 als Ausschnitt einer perspektivischen Darstellung. Zur besseren Beschreibung der Bestandteile und gleichzeitiger Erläuterung eines erfindungsgemäßen Verfahrens ist die dargestellte Ansicht vereinfacht wiedergegeben. Die Verfahrensschritte werden durch eine überblendete Ausschnittsvergrößerung mit Darstellung eines vorangehenden Verfahrensschrittes und die jeweils eingeblendeten Pfeile in der Abbildung von Figur 1 angedeutet.The figures of Figure 1 show a hood according to the
Von einer nicht weiter dargestellten Kochstelle aus werden Kochdämpfe über einen Abluftstrom von einem Radiallüfter angesaugt, der in der Abzugshaube 1 angeordnet ist. Auf einem Weg zu dem Radiallüfter hin durchdringt der Abluftstrom zuerst jedoch ein Fettfilter 2, in dem der in dem Abluftstrom enthaltene Wrasen im wesentlichen aufgehalten bzw. abgefangen wird.From a cooking point, not shown, cooking vapors are sucked via an exhaust air flow from a radial fan, which is arranged in the
Zur Verbesserung der Reinigungswirkung bzw. der effektiveren Entnahme des enthaltenen Wrasens aus dem Abluftstrom heraus ist der Fettfilter 2 relativ großflächig ausgebildet und kaskadiert in Form mehrerer, von dem Abluftstrom nacheinander zu durchlaufender Filterschichten. Aus Gründen der Optik, wie aber auch aus Gründen der relativ einfachen Reinigung werden in dem Fettfilter gerne Flächenfilter aus Streckmetall und/oder Wirbelstrom- sowie Labyrinthfilter einzeln oder in Kombination eingesetzt, insbesondere in Schichtung übereinander. Derartige Filter können als Reinmetallfilter aus Edelstahl hergestellt werden, sodass sie nach Ablauf einer Einsatzphase bzw. bei hinreichender Aufnahme von Wrasen von einem Anwender ohne Kundendiensteinsatz ausgewechselt und durch Einsatz in einer handelsüblichen Geschirrspülmaschine wieder vollständig gereinigt werden können. Bei ausreichendem Wirkungsgrad zeichnen sich die vorstehend genannten und aktuell vermehrt eingesetzten Lösungen jedoch durch ein relativ hohes Eigengewicht aus. Der Fettfilter 2 wird daher in der in Figur 1 dargestellten Weise als Filtermatrix mit auch mehrschichtigem Innenaufbau in Form einzelner Segmente ausgeführt, die ihrerseits zur Erhöhung der mechanischen Stabilität, dem Unterbinden zusätzlicher Klappergeräusche etc. als Filterkassetten 3 ausgeführt sind. Die dargestellte sichtbare Außenfläche besteht aus vorstehend genannten Gründen der Erhöhung der mechanischen Stabilität aus einem Edelstahl-Streckmetall, dem an innen fortschreitend weitere Filterschichten folgen, auf die an dieser Stelle jedoch nicht weiter eingegangen wird, da der Aufbau des Fettfilters 2 selber nicht als erfindungswesentlich anzusehen ist.To improve the cleaning effect or the effective removal of the contained Wrasens from the exhaust air flow out of the
Ein erster Schritt beim Einsetzen einer derartigen Filterkassette 3 ist in der vergrößerten Ausschnittszeichnung von Fig. 1 dargestellt. Die Filterkassette 3 wird mit einem nicht näher dargestellten inneren Filteraufbau durch einen Rahmen 4 aus metallischen Strangprofilen begrenzt. An einer dem Anwender abgewandten Längskante 5 sind an dem Rahmen 4 zwei hakenförmig ausgebildete Laschen 6 angeordnet. In der durch die beiden Pfeile in dem Ausschnitt von Figur 1 illustrieren Weise werden die Laschen 6 jeweils in zugehörige Ausnehmungen 7 eines Gehäuses 8 der Abzugshaube 1 eingeführt. Aufgrund der hakenförmigen Ausbildung der Laschen 6 ergibt sich im Zusammenspiel mit den Ausnehmungen 7 eine jeweils gelenkartige Verbindung zwischen der Filterkassette 3 und dem Gehäuse 8 der Abzugshaube 1. Diese gelenkartige Verbindung ist zur Aufnahme der Gewichtskraft der Filterkassette 3 ausgebildet. Damit ist sichergestellt, dass die Kassette 3 sicher und ohne Zutun eines Anwenders hängen und nachfolgend in Form einer durch den großen Pfeil von Figur 1 angedeuteten Drehbewegung bis in eine Schließstellung hinein bewegt werden kann. Ein Fixierungselement 9 in Form eines Schlosses oder eines bekannten Schieberiegels ist mit einer Art von Griffteil ausgerüstet an der Kassette in einem Bereich nahe des Rahmens 4 so angeordnet, dass eine zum Schließen der Kassette an der Abzugshaube 1 notwendige Kraft unter günstiger Hebelwirkung von Hand in der dargestellten Weise um einen definierten Drehpunkt herum aufgebracht und automatisch zum sicheren Verriegeln der Kassette 3 an der Abzugshaube 1 genutzt wird.A first step in the insertion of such a
Bei einem Öffnen der Abzugshaube 1 wird das Fixierungselement 9 von Hand betätigt, wobei durch die erfindungsgemäße gelenkartige Verbindung zwischen der Kassette 3 und der Abzugshaube 1 bzw. deren Gehäuse 8 die Filterkassette 3 auch in diesem Fall nicht mit der Folge einer möglichen Verletzung der Bedienperson oder einer Beschädigung der Dunstabzugshaube 1 oder einer darunter angelegten Kochstelle herunterfallen kann. Das Entfernen der Kassette 3 aus der Abzugshaube 1 heraus muss vielmehr bewusst und absichtlich herbeigeführt werden. Hierzu ist eine Aufhebung der vorstehend beschriebenen gelenkartigen Verbindung der Filterkassette 3 mit dem Gehäuse 8 der Abzugshaube 1 herbeizuführen. Dabei ist der hakenförmige Teil der Lasche 6 aus einer jeweiligen Ausnehmung 7 des Gehäuses 8 durch Anheben der Kassette 3 zu entnehmen. Durch Ausbildung der hakenförmig gekrümmten Abschnitte der Laschen 6 sowie der zugehörigen Ausnehmungen 7 kann diese Entnahme der Kassette 3 nur in einen Bereich eines vorgegebenen Neigungswinkels der Kassette 3 gegenüber dem Gehäuse 8 der Abzugshaube 1 in für einen Anwender bequemer Weise erfolgen. Diese Situation ist für den Einbauvorgang in der Ausschnittszeichnung von Figur 1 angedeutet und kann auch für den Fall eines Ausbaus in analoger Weise herangezogen werden.When opening the
In der Abbildung von Figur 2 ist in vergrößerter Darstellung der Teil des Rahmens 4 der Filterkassette 3 als Schnitt skizziert, an dem in der vorliegenden Ausführungsform zwei Laschen 6 zur Ausbildung einer gelenkartigen Verbindung zwischen der Kassette 3 und dem Gehäuse 8 der Abzugshaube 1 in der vorstehend beschriebenen Art und Weise vorgesehen sind. Der Rahmen 4 ist als Strangprofil aus Metall hergestellt. Die beiden Laschen 6 sind in der vorliegenden Ausführungsform einstückig, mit dem Rahmen 4 verbunden.In the figure of Figure 2 is an enlarged view of the part of the
Wie auch in den Strangprofilen der übrigen Teile des Rahmens 4 der Filterkassette 3 sind in fertigungstechnisch einfacher Weise zusätzliche Halteschienen 10 einstückig in den Rahmen 4 integriert, die einer Fixierung von Filtermaterialien 2 in einfacher oder kaskadierter Form dienen. Zudem bewirken die Halteschienen 10 eine zusätzliche Versteifung und mithin eine Erhöhung der Biegesteifigkeit des gesamten Rahmens 4.As well as in the extruded profiles of the remaining parts of the
Eine Kantenabsaugung des anfallenden Dunstes wird im vorliegenden Fall auch im Bereich des Rahmens 4 dadurch bewirkt, dass in das Strangprofil eines jeweiligen Rahmenabschnittes Ausnehmungen 11 eingebracht worden sind, hier durch Ausstanzung und/oder Bohrungen. Zur Gewährleistung einer höheren Strömungsgeschwindigkeit in diesen Kantenbereichen ist das hier jeweils hinter den Ausnehmungen 11 angeordnete Filtermaterial 2 von geringerer Mächtigkeit als das Filtermaterial, das die eigentliche Oberfläche der Kassette 3 bildet.An edge extraction of the resulting haze is effected in the present case in the region of the
In einer nicht weiter dargestellten alternativen Ausführungsform werden die Laschen 6 an vorbestimmter Stelle als Einzelteile durch Nieten an dem Rahmen 4 fixiert. Weiter werden in einer anderen Ausführungsform die Teile des Rahmens 4 als Stanz-Biegeteile aus Blech hergestellt, wobei als metallische Materialien vorzugsweise Edelstahl oder Aluminium eingesetzt werden.In an alternative embodiment, not shown, the
In den Abbildungen der Figuren 3a und 3b ist eine alternative Form einer gelenkartigen Verbindung zwischen einer Kassette 3 und einem Gehäuse 8 der Abzugshaube 1 dargestellt. In dieser Ausführungsform ist eine im Wesentlichen T-förmige Ausnehmung 7 an dem Gehäuse 8 vorgesehen, in das ein nun im Wesentlichen eben ausgebildeter und in der Draufsicht doppel-hakenförmiger Kopfteil 13 einer jeweiligen Lasche 6 eingeführt wird. Wie in der Darstellung von Figur 3b durch die beiden eingezeichneten Pfeile angedeutet, ergibt sich auch nach dem Einführen der Lasche 6 in die Ausnehmung 7 und Absenkung entlang des die Schwerkrafteinwirkung repräsentierenden Pfeils bis hin zum Ende der T-förmigen Ausnehmung 7 ein gebogener Pfeil für die sich für den Fachmann in verständlicher Weise ergebende Drehbeweglichkeit der unter der Einwirkung der Gewichtskraft der Kassette 3 sicher haltenden gelenkartigen Fixierung.In the figures of Figures 3a and 3b, an alternative form of a hinge-like connection between a
Eine in der Abbildung der Figur 3a eingezeichnete Länge 1 eines beidseitig des Kopfteils 13 vorgesehenen Ausnehmung 14 dient eine Einstellung eines Winkels, unter dem sich die Kassette 3 in gelenkartiger Verbindung mit dem Gehäuse 8 der Abzugshaube 1 unter federelastischer Verspannung in einer dauerhaften Ruhelage auch im geöffneten Zustand befinden kann. Diese Öffnungslage kann beispielsweise zur Auswechslung von Bauteilen genutzt werden, die in nicht weiter in der Zeichnung dargestellter Weise hinter den Kassetten 3 in einem Innenraum des Gehäuses 8 der Abzugshaube 1 angeordnet sind.A drawn in the figure of
Auch in weiteren Abwandlungen der gelenkartigen Verbindung zwischen einer Kassette und dem Gehäuse 8 wird gemäß vorliegenden Erfindung stets ohne den Einsatz zusätzlicher Elemente ein sehr effektive und stets zuverlässige Sicherung einer Kassette 3 gegen Herabfallen in einem Auswechslungsstadium zur Wartungszwecken etc. bewirkt. Eine erfindungsgemäße Vorrichtung zeichnet sich dabei neben deutlich vereinfachter Fertigung auch durch eine in vorstehend beschriebener Weise einfache und in jeder Hinsicht anwenderfreundliche Handhabung aus.Also in further modifications of the hinged connection between a cassette and the
Claims (11)
- Extractor hood (1) for sucking away fumes, with a hood, the suction opening of which is covered by a filter cassette (3), wherein arranged at the filter cassette (3) is at least one strap which engages in a recess (7), which is provided in a housing (8) of the extractor hood (1), so as to detachably fix the filter cassette (3) to the housing (8), characterised in that the strap (6) of the filter cassette (3) is of substantially hook-shaped construction for formation of an articulation-like connection with the respectively associated recess (7) of the housing (8) of the extractor hood (1) for acceptance of the weight force of the filter cassette (3).
- Extractor hood (1) according to claim 1, characterised in that the filter cassette has a frame (4), at which the strap (6) is arranged, and that the strap (6) is integrally connected with the frame (4) of the filter cassette (3).
- Extractor hood (1) according to one or both of the preceding claims, characterised in that the strap (6) is produced as a separate part and is connected with the frame (4) by riveting and/or welding.
- Extractor hood (1) according to one of the preceding claims, characterised in that the frame (4) is produced from extruded profile parts.
- Extractor hood (1) according to one of the preceding claims 1 to 3, characterised in that the frame (4) is produced from punched and bent parts, which preferably consist of stainless steel.
- Extractor hood (1) according to one of the preceding claims, characterised in that a recess (7) of the housing (8) of the extractor hood (1) is of substantially T-shaped construction.
- Extractor hood (1) according to one of the preceding claims, characterised in that the filter cassette (3) has at substantially opposite sides of the frame (4) at least one stationary strap (6) and a slide latch (9) as fixing element or lock.
- Extractor hood (1) according to one of the preceding claims, characterised in that the articulation-like connection between the hook-shaped strap (6) of the frame (4) of the filter cassette (3) together with a corresponding recess (7) at the housing (8) of the fume extractor hood (1) is constructed in such a manner that the filter cassette (3) can be removed only in a region of a predetermined angular setting, preferably by slight lifting of the filter cassette (3) into this setting.
- Method for exchanging or insertion of filters, which are arranged above a suction opening of an extractor hood (1) according to one or more of the preceding claims, characterised in that on insertion of the filter cassette (3) initially the at least one strap (6) is introduced into a correspondingly formed recess (7) at the housing (8) of the fume extractor hood (1), whereby subsequently through an articulation-like connection the filter cassette (3) is now already fixed to the housing (8) of the fume extractor hood (1) in such a manner that the filter cassette (3) can no longer fall out and fall down from this position and a subsequent - in particular performable by one hand - pivot movement with locking is carried out in such a manner that the suction opening is covered at least partly by the filter cassette (3).
- Method according to the preceding claim, characterised in that the filter cassette (3) is removed only in a region of a predetermined angular setting.
- Method according to the preceding claim, characterised in that the filter cassette (3) is removed by slight lifting into this setting with release of the articulation-like connection.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10208475 | 2002-02-27 | ||
DE10208475A DE10208475A1 (en) | 2002-02-27 | 2002-02-27 | Extractor hood and method for changing or inserting filters |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1340944A2 EP1340944A2 (en) | 2003-09-03 |
EP1340944A3 EP1340944A3 (en) | 2004-06-16 |
EP1340944B1 true EP1340944B1 (en) | 2008-01-23 |
Family
ID=27675059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03002699A Expired - Lifetime EP1340944B1 (en) | 2002-02-27 | 2003-02-12 | Extractor hood and Process for replacing or placing filters |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1340944B1 (en) |
AT (1) | ATE384918T1 (en) |
DE (2) | DE10208475A1 (en) |
ES (1) | ES2299638T3 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2610555A1 (en) | 2011-12-29 | 2013-07-03 | Indesit Company S.p.A. | Grease filter for a range hood, and related range hood |
CN111051779A (en) * | 2017-08-23 | 2020-04-21 | 爱瑞卡股份公司 | Kitchen range |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10143811A1 (en) * | 2001-09-06 | 2003-04-30 | Bsh Bosch Siemens Hausgeraete | Safety device for a filter element |
DE10360897A1 (en) * | 2003-12-23 | 2005-07-21 | BSH Bosch und Siemens Hausgeräte GmbH | Connecting device for a fume extraction device |
ITMI20041214A1 (en) * | 2004-06-16 | 2004-09-16 | Sifim S R L | KITCHEN HOOD FILTER WITH SAFETY MEANS FOR ITS RETENTION ON THE HOOD |
DE102004043069A1 (en) * | 2004-09-06 | 2006-03-09 | BSH Bosch und Siemens Hausgeräte GmbH | Extraction hood for e.g. kitchen, has stopper, for rear wall of filter arrangement, provided at housing, where arrangement is provided at distance from resting projection and positioned in angle to resting projection |
DE102005013806A1 (en) * | 2005-03-24 | 2006-09-28 | BSH Bosch und Siemens Hausgeräte GmbH | Extractor hood has suction fan and a flow direction element rotatable in suction area about rotational axis perpendicular to plane of same for improved vapour collection |
DE102006060437B4 (en) * | 2006-12-19 | 2010-05-12 | Miele & Cie. Kg | Holding device for releasably holding a panel or the like on a household appliance |
DE102006060498A1 (en) * | 2006-12-19 | 2008-06-26 | Miele & Cie. Kg | Extractor hood is made up of two sheet-metal sections with edge sections which are bent over and are locked together by hooked lug on one edge which fits into slot in edge of other |
DE102007054336A1 (en) * | 2007-11-14 | 2009-05-20 | BSH Bosch und Siemens Hausgeräte GmbH | filter means |
DE102008041495A1 (en) * | 2008-08-25 | 2010-03-04 | BSH Bosch und Siemens Hausgeräte GmbH | Locking device for a surface element of an extractor hood |
DE102008041496A1 (en) | 2008-08-25 | 2010-03-04 | BSH Bosch und Siemens Hausgeräte GmbH | Bearing point for a surface element of an extractor hood |
WO2011107267A2 (en) * | 2010-03-04 | 2011-09-09 | Berling Gmbh | Air extraction device and method for removing particles carried by an air flow |
ITTO20111225A1 (en) * | 2011-12-29 | 2013-06-30 | Indesit Co Spa | GREASE FILTER FOR KITCHEN HOOD AND RELATED KITCHEN HOOD |
ITTO20111227A1 (en) * | 2011-12-29 | 2013-06-30 | Indesit Co Spa | GREASE FILTER FOR KITCHEN HOOD AND RELATED KITCHEN HOOD |
DE102012201409A1 (en) | 2012-02-01 | 2013-08-01 | BSH Bosch und Siemens Hausgeräte GmbH | Hood |
DE102012210000A1 (en) * | 2012-06-14 | 2013-12-19 | BSH Bosch und Siemens Hausgeräte GmbH | Filter arrangement for an extractor hood |
DE102013206220A1 (en) * | 2013-04-09 | 2014-10-09 | BSH Bosch und Siemens Hausgeräte GmbH | Hood |
DE102016101238B4 (en) * | 2016-01-25 | 2021-02-11 | Miele & Cie. Kg | Extractor hood |
DE102016116379A1 (en) | 2016-09-01 | 2018-03-01 | Adek Bauteile Gmbh | Filter cartridge mounting device |
DE102017130069B4 (en) * | 2017-12-15 | 2021-11-04 | Miele & Cie. Kg | Cradle, fastening element, fastening system, extractor hood, filter and extractor hood system |
DE102018201046A1 (en) * | 2018-01-24 | 2019-07-25 | BSH Hausgeräte GmbH | Hood |
EP3839356A1 (en) * | 2019-12-18 | 2021-06-23 | BSH Hausgeräte GmbH | Filter unit and fume extractor with filter unit |
Family Cites Families (10)
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US3500740A (en) * | 1967-12-01 | 1970-03-17 | Donald M Aubrey | Ventilating hood |
DE2718611B2 (en) * | 1977-04-27 | 1980-07-10 | GIF Gesellschaft für Ingenieurprojekte Freiburg mbH, 7800 Freiburg | Separator for a device for ventilating and ventilating rooms |
DE3024119A1 (en) * | 1980-06-27 | 1982-01-21 | Resopal-Werk H. Römmler GmbH, 6800 Mannheim | Easily fitted grease filter for extractor hoods - is disposable fleece in fold-down support frame for single use thus requiring no cleaning |
DE9013314U1 (en) * | 1990-09-20 | 1991-01-03 | Klimke, Oliver, 7302 Ostfildern | Soil sampling device |
WO1998045021A1 (en) * | 1997-04-04 | 1998-10-15 | Ronald More | A filter and filter assembly |
US6284011B1 (en) * | 1999-12-01 | 2001-09-04 | Chao Cheng Chiang | Smoke exhauster having detachable filter device |
DE19962253A1 (en) * | 1999-12-22 | 2001-09-13 | Bsh Bosch Siemens Hausgeraete | Filter cassette for extractor hoods |
DE10110251A1 (en) * | 2001-03-05 | 2002-09-12 | Imp Werke Ohg | Hood |
ITRN20010023U1 (en) * | 2001-12-11 | 2003-06-11 | Aria S R L | FILTER FOR COOKER HOODS. |
DE10208474A1 (en) * | 2002-02-27 | 2003-09-04 | Bsh Bosch Siemens Hausgeraete | Filter arrangement for an extractor hood |
-
2002
- 2002-02-27 DE DE10208475A patent/DE10208475A1/en not_active Withdrawn
-
2003
- 2003-02-12 EP EP03002699A patent/EP1340944B1/en not_active Expired - Lifetime
- 2003-02-12 DE DE50309053T patent/DE50309053D1/en not_active Expired - Lifetime
- 2003-02-12 ES ES03002699T patent/ES2299638T3/en not_active Expired - Lifetime
- 2003-02-12 AT AT03002699T patent/ATE384918T1/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2610555A1 (en) | 2011-12-29 | 2013-07-03 | Indesit Company S.p.A. | Grease filter for a range hood, and related range hood |
CN111051779A (en) * | 2017-08-23 | 2020-04-21 | 爱瑞卡股份公司 | Kitchen range |
Also Published As
Publication number | Publication date |
---|---|
EP1340944A2 (en) | 2003-09-03 |
DE50309053D1 (en) | 2008-03-13 |
ATE384918T1 (en) | 2008-02-15 |
EP1340944A3 (en) | 2004-06-16 |
ES2299638T3 (en) | 2008-06-01 |
DE10208475A1 (en) | 2003-09-04 |
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