EP2789921A1 - Extractor hood - Google Patents
Extractor hood Download PDFInfo
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- EP2789921A1 EP2789921A1 EP13162859.6A EP13162859A EP2789921A1 EP 2789921 A1 EP2789921 A1 EP 2789921A1 EP 13162859 A EP13162859 A EP 13162859A EP 2789921 A1 EP2789921 A1 EP 2789921A1
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- EP
- European Patent Office
- Prior art keywords
- air
- air outlet
- extractor hood
- outlet opening
- closure means
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- 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.)
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- 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
Definitions
- the present invention relates to an extractor hood with a housing in which an air duct is formed, which extends between an air intake and an air outlet, which is connectable to an exhaust duct for an exhaust air operation, wherein at the outlet end portion of the air duct at least one air outlet opening is provided through which air can escape from the housing for recirculating air operation, and with closure means, by which the air outlet opening can be closed, so that air flowing through the air duct can only leave the housing through the at least one air outlet opening.
- Such extractor hoods are known in various embodiments and are mainly used in the kitchen area to suck off vapors produced during frying, baking and cooking.
- the extracted vapors are cleaned in the extractor hood.
- corresponding cleaning devices such as particle filters are provided in the hood body, over which the suspended matter contained in the polluted air and in particular fat fractions are eliminated.
- UV emitters are also used which emit UV radiation with a wavelength of 185 nm. This is based on the consideration that generated by the radiated UV radiation ozone (O 3 ), which reacts with the fat contained in the air in the form of a cold combustion.
- O 3 radiated UV radiation ozone
- the purified air is then discharged to the environment or returned to the room air.
- an extractor hood of the type mentioned in which the outlet-side end portion of the air duct is connected via an air outlet opening to an exhaust pipe over which purified air from the cooking chamber can be blown outside.
- air outlet openings are provided, through which the cleaned air can enter the cooking space again.
- a pure recirculation mode of the hood which leading to the exhaust pipe Vietnameseausblasö réelle is closed by a throttle valve.
- a pure exhaust air operation is not possible.
- the present invention has the object, an extractor hood of the type mentioned in such a way that both a pure recirculation mode, as well as a pure exhaust air operation is possible.
- the Luftausblasö Maschinen and the at least one air outlet opening common closure means are assigned, which are configured and adjustable so that they close in a Ab povertys sueds sued the at least one air outlet and release the Luftausblasö réelle and close the Heilausblasö réelle in a Um povertys sueds sued the release at least one air outlet opening.
- the air outlet opening or the air outlet openings for the recirculation mode on the one hand and the air outlet for the exhaust air operation on the other hand associated with a common closure means over which the air outlet and the air outlet opening are selectively closed.
- the closure means may for example comprise a closure plate which is pivotally held in the hood body, wherein it closes the Luftausblasö réelle in one end position and the at least one air outlet opening in its other end position. Since only a closure means is required to switch between a recirculation mode and an exhaust air operation, the construction cost is low.
- the closure means may also comprise two closure plates which are pivotally mounted in the housing about parallel axes such that they close the air outlet openings in the Ab povertyswolf and together close the Heilausblasö Maschinen in Um Kunststoff istszan ,
- the housing has a hood body and a pipe section held on the hood body, wherein the pipe section the exhaust-side end portion of the Defined air duct and at the top of the Heilausblasö réelle and laterally having at least one air outlet opening and that the closure means are housed in the pipe section.
- the pipe section can in particular be releasably connected to the hood body.
- the fact that the closure means are housed in the pipe section the assembly is easy. This is especially true when the pipe section is detachably connected to the hood body.
- the pipe section with the Heilausblasö réelle and the air outlet openings and the closure mechanism or the closure means may form a preassemblable unit.
- the pipe section comprises at least two telescopically intermeshing pipe elements which can be adjusted axially relative to each other in order to change the length of the pipe section.
- the telescopic extensibility of the pipe section simplifies installation under different conditions.
- activated carbon filter can be arranged, which can for example be clipped or magnetically fixed, so that their exchange and cleaning is simple.
- the closure means is a drive - in particular an electric drive - assigned, via which the closure means can be actuated.
- the drive can be manually operated.
- an automatic operation is possible.
- a control is associated with the drive, which is designed to automatically connect the closure means via the drive in dependence on predefinable parameters between the Recirculation operating position and the exhaust air operating position to adjust.
- the controller may be associated with sensors to measure the outside temperature and / or the room temperature and / or the air temperature. The controller is then designed to automatically adjust the closing means via the drive in dependence on the detected temperature values and / or humidity values between the circulating air operating position and the exhaust air operating position.
- the controller may be configured to automatically switch to recirculation mode when falling below a predetermined or predeterminable outside temperature, ie to adjust the closure means in its circulating air operating position.
- a predetermined or predeterminable outside temperature ie to adjust the closure means in its circulating air operating position.
- it When it is cold in winter, it will be primarily air recirculation to avoid wasting the heat in the air.
- the outside temperature and humidity automatically between an exhaust air operation and a recirculation mode can be switched so that as little warm air in the exhaust air operation led to the outside, but fogging of the windows is prevented.
- the drive has a motor and a rotationally driven by this adjusting spindle, wherein the adjusting spindle has an external thread on the outside, on which an adjusting element is held, which is provided with a corresponding internal thread, wherein on the opposite sides from the threaded spindle projecting free ends of the actuating element are each connected via a connecting lever to the free end portion of the closure plates, and wherein the connecting lever via joints with pivot axes, which are parallel to the pivot axes about which the closure plates are pivotable, extend, are connected to the actuating element and the closure plates.
- an extractor hood 1 according to the present invention is shown schematically.
- the extractor hood 1 has a housing 2 with a hood body 3 which has an air intake opening 4 on its underside and an air outlet opening 5 on its upper side, and a vertical pipe section or air discharge shaft 6 provided on the upper side of the hood body 3 and the air outlet opening 5 of the hood body 3 surrounds.
- the vertical pipe section 6 has on its upper side an air outlet opening 7, which is connected to an exhaust pipe 8.
- an air duct 9 extending between the air suction port 4 of the hood body 3 and the air exhaust port 7 of the vertical pipe section 6.
- an unillustrated grease filter is provided, which consists of a metal mesh. Above this grease filter, 9 further air cleaning elements are arranged in the air duct 9 in order to free the air entering the hood body 2 of suspended matter (aerosols etc.).
- a UV emitter can be used, which emits UV radiation with a wavelength of 185 nm.
- a plasma cleaning section may also be provided in the extractor hood.
- a closure device 13 is further provided, with which it is possible, the hood 1 between an exhaust air operation, in which the air outlet openings 10 are closed for the recirculation mode, but air can flow into the exhaust pipe 8, and a recirculation mode, in which the Heilausblasö réelle 7 is closed, but the air outlet openings 10 are opened so that air can flow through the air outlet openings 10 from the housing 2, to switch.
- the closure device comprises two closure plates 14, which are held at their upper end at the upper edge region of the vertical tube section 6 by hinges 15 about parallel, perpendicular to the image plane of the figures axes 15a pivotally. The free ends of the closure plates 14 are connected via a lever mechanism 16 between the in FIG.
- the lever mechanism 16 is an electric drive 17 with a motor 18 which is positioned at the top of the pipe section 6, and an adjusting spindle 19 which projects from the motor 18 downwardly and is driven by this, associated.
- the adjusting spindle 19 has an external thread on the outside, on which an adjusting element 20 is held, which is provided with a corresponding internal thread.
- the adjusting element 20 protrudes laterally in the direction of the air outlet openings 10 for the recirculation mode of the threaded spindle 19, wherein the free ends of the actuating element 20 is connected in each case via a connecting lever 21 with the lower, free end portion of the closure plates 14.
- the connecting lever 21 are connected via joints 22, 23 with pivot axes perpendicular to the image plane of FIG. 4 are aligned and thus parallel to the axes 15a of the hinges 15, pivotally connected to the adjusting element 20 and the closure plates 14.
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Abstract
Die vorliegende Erfindung betrifft eine Dunstabzugshaube (1) mit einem Gehäuse (2), in welchem ein Luftführungskanal (9) ausgebildet ist, der sich zwischen einer Luftansaugöffnung (4) und einer Luftausblasöffnung (7), die für einen Abluftbetrieb an ein Abluftrohr (8) anschließbar ist, erstreckt, wobei am auslassseitigen Endbereich des Luftführungskanals (9) wenigstens eine Luftaustrittsöffnung (10) vorgesehen ist, durch welche Luft für einen Umluftbetrieb aus dem Gehäuse (2) austreten kann, und mit Verschlussmitteln (13), durch welche die Luftausblasöffnung (7) verschließbar ist, so dass den Luftführungskanal (9) durchströmende Luft das Gehäuse (2) nur durch die wenigstens eine Luftaustrittsöffnung (10) verlassen kann, wobei Verschlussmittel (13) vorgesehen sind, durch welche die wenigstens eine Luftaustrittsöffnung (10) verschließbar ist. The present invention relates to an extractor hood (1) with a housing (2) in which an air duct (9) is formed which extends between an air intake opening (4) and an air exhaust opening (7) which is connected to an exhaust air duct (8) for exhaust air operation ) is connectable, wherein at the outlet end portion of the air duct (9) at least one air outlet opening (10) is provided, through which air for recirculation mode from the housing (2) can escape, and with closure means (13) through which the Luftausblasöffnung (7) can be closed, so that air flowing through the air duct (9) can leave the housing (2) only through the at least one air outlet opening (10), whereby closure means (13) are provided, through which the at least one air outlet opening (10) can be closed is.
Description
Die vorliegende Erfindung betrifft eine Dunstabzugshaube mit einem Gehäuse, in welchem ein Luftführungskanal ausgebildet ist, der sich zwischen einer Luftansaugöffnung und einer Luftausblasöffnung, die für einen Abluftbetrieb an ein Abluftrohr anschließbar ist, erstreckt, wobei am auslassseitigen Endbereich des Luftführungskanals wenigstens eine Luftaustrittsöffnung vorgesehen ist, durch welche Luft für einen Umluftbetrieb aus dem Gehäuse austreten kann, und mit Verschlussmitteln, durch welche die Luftausblasöffnung verschließbar ist, so dass den Luftführungskanal durchströmende Luft das Gehäuse nur durch die wenigstens eine Luftaustrittsöffnung verlassen kann.The present invention relates to an extractor hood with a housing in which an air duct is formed, which extends between an air intake and an air outlet, which is connectable to an exhaust duct for an exhaust air operation, wherein at the outlet end portion of the air duct at least one air outlet opening is provided through which air can escape from the housing for recirculating air operation, and with closure means, by which the air outlet opening can be closed, so that air flowing through the air duct can only leave the housing through the at least one air outlet opening.
Derartige Dunstabzugshauben sind in unterschiedlichen Ausführungsformen bekannt und werden vorwiegend im Küchenbereich eingesetzt, um beim Braten, Backen und Kochen entstehende Dämpfe abzusaugen. Die abgesaugten Dämpfe werden in der Dunstabzugshaube gereinigt. Hierzu sind im Haubenkörper entsprechende Reinigungsvorrichtungen wie beispielsweise Partikelfilter vorgesehen, über welche die in der verschmutzten Luft enthaltenen Schwebstoffe und hier insbesondere Fettanteile beseitigt werden. Zur Beseitigung von Fett aus Abluftströmen werden neben herkömmlichen Partikelfiltern auch UV-Strahler eingesetzt, die UV-Strahlung mit einer Wellenlänge von 185 nm abstrahlen. Dem liegt die Überlegung zugrunde, dass durch die abgestrahlte UV-Strahlung Ozon (O3) erzeugt wird, welches mit dem in der Luft enthaltenen Fett in Form einer kalten Verbrennung reagiert. Alternativ ist bekannt, eine Plasmareinigungsstrecke in der Dunstabzugshaube vorzusehen.Such extractor hoods are known in various embodiments and are mainly used in the kitchen area to suck off vapors produced during frying, baking and cooking. The extracted vapors are cleaned in the extractor hood. For this purpose, corresponding cleaning devices such as particle filters are provided in the hood body, over which the suspended matter contained in the polluted air and in particular fat fractions are eliminated. To remove grease from exhaust air streams, in addition to conventional particle filters, UV emitters are also used which emit UV radiation with a wavelength of 185 nm. This is based on the consideration that generated by the radiated UV radiation ozone (O 3 ), which reacts with the fat contained in the air in the form of a cold combustion. Alternatively, it is known to provide a plasma cleaning section in the extractor hood.
Die gereinigte Luft wird anschließend an die Umgebung abgeführt oder an die Raumluft zurückgegeben. Aus der
Vor diesem Hintergrund liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine Dunstabzugshaube der eingangs genannten Art so auszubilden, dass sowohl ein reiner Umluftbetrieb, als auch ein reiner Abluftbetrieb möglich ist.Against this background, the present invention has the object, an extractor hood of the type mentioned in such a way that both a pure recirculation mode, as well as a pure exhaust air operation is possible.
Diese Aufgabe ist gemäß der vorliegenden Erfindung bei einer Dunstabzugshaube der eingangs genannten Art dadurch gelöst, dass Verschlussmittel vorgesehen sind, durch welche die wenigstens eine Luftaustrittsöffnung verschließbar ist. Erfindungsgemäß sind somit sowohl der an ein Abluftrohr anschließbaren Luftausblasöffnung, als auch den Luftaustrittsöffnungen für den Umluftbetrieb Verschlussmittel zugeordnet, so dass alle auslassseitigen Öffnungen der Dunstabzugshaube wahlweise verschlossen werden können. Somit ist es möglich, einen reinen Umluftbetrieb, einen reinen Abluftbetrieb oder einen kombinierten Umluft-/Abluftbetrieb zu realisieren.This object is achieved according to the present invention in an extractor hood of the type mentioned above in that closure means are provided, through which the at least one air outlet opening can be closed. According to the invention, both the air outlet opening connectable to an exhaust pipe and the air outlet openings for the recirculating air mode are thus associated with closure means, so that all outlet-side openings of the extractor hood can be optionally closed. Thus, it is possible to realize a pure recirculation mode, a pure exhaust air operation or a combined recirculation / exhaust air operation.
In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass der Luftausblasöffnung und der wenigstens einen Luftaustrittsöffnung gemeinsame Verschlussmittel zugeordnet sind, die derart ausgestaltet und verstellbar sind, dass sie in einer Abluftbetriebsstellung die wenigstens eine Luftaustrittsöffnung verschließen und die Luftausblasöffnung freigeben und in einer Umluftbetriebsstellung die Luftausblasöffnung verschließen und die wenigstens eine Luftaustrittsöffnung freigeben.In a further embodiment of the invention, it is provided that the Luftausblasöffnung and the at least one air outlet opening common closure means are assigned, which are configured and adjustable so that they close in a Abluftbetriebsstellung the at least one air outlet and release the Luftausblasöffnung and close the Luftausblasöffnung in a Umluftbetriebsstellung the release at least one air outlet opening.
Bei dieser Ausführungsform sind der Luftaustrittsöffnung bzw. den Luftaustrittsöffnungen für den Umluftbetrieb einerseits und der Luftausblasöffnung für den Abluftbetrieb andererseits ein gemeinsames Verschlussmittel zugeordnet, über welche die Luftausblasöffnung und die Luftaustrittsöffnung wahlweise verschließbar sind. Die Verschlussmittel können beispielsweise eine Verschlussplatte umfassen, die verschwenkbar in dem Haubenkörper gehalten ist, wobei sie in ihrer einen Endstellung die Luftausblasöffnung und in ihrer anderen Endstellung die wenigstens eine Luftaustrittsöffnung verschließt. Da nur ein Verschlussmittel erforderlich ist, um zwischen einem Umluftbetrieb und einem Abluftbetrieb umschalten zu können, ist der bauliche Aufwand gering.In this embodiment, the air outlet opening or the air outlet openings for the recirculation mode on the one hand and the air outlet for the exhaust air operation on the other hand associated with a common closure means over which the air outlet and the air outlet opening are selectively closed. The closure means may for example comprise a closure plate which is pivotally held in the hood body, wherein it closes the Luftausblasöffnung in one end position and the at least one air outlet opening in its other end position. Since only a closure means is required to switch between a recirculation mode and an exhaust air operation, the construction cost is low.
Wenn Luftaustrittsöffnungen an gegenüberliegenden Seiten des Luftführungskanals in dem Gehäuse ausgebildet sind, können die Verschlussmittel auch zwei Verschlussplatten umfassen, die derart gemeinsam in dem Gehäuse um parallele Achsen verschwenkbar angeordnet sind, dass sie in der Abluftbetriebsstellung die Luftaustrittsöffnungen verschließen und in der Umluftbetriebsstellung gemeinsam die Luftausblasöffnung verschließen.If air outlet openings are formed on opposite sides of the air duct in the housing, the closure means may also comprise two closure plates which are pivotally mounted in the housing about parallel axes such that they close the air outlet openings in the Abluftbetriebsstellung and together close the Luftausblasöffnung in Umluftbetriebsstellung ,
In Weiterbildung der Erfindung kann vorgesehen sein, dass das Gehäuse einen Haubenkörper und einen an dem Haubenkörper gehaltenen Rohrabschnitt aufweist, wobei der Rohrabschnitt den abluftseitigen Endabschnitt des Luftführungskanals definiert und an seiner Oberseite die Luftausblasöffnung und seitlich die wenigstens eine Luftaustrittsöffnung aufweist und dass die Verschlussmittel in dem Rohrabschnitt untergebracht sind. Dabei kann der Rohrabschnitt insbesondere lösbar mit dem Haubenkörper verbunden sein. Dadurch, dass die Verschlussmittel in dem Rohrabschnitt untergebracht sind, gestaltet sich die Montage einfach. Dies gilt insbesondere, wenn der Rohrabschnitt lösbar mit dem Haubenkörper verbunden ist. In diesem Fall kann der Rohrabschnitt mit der Luftausblasöffnung und den Luftaustrittsöffnungen sowie dem Verschlussmechanismus bzw. den Verschlussmitteln eine vormontierbare Einheit bilden.In a further development of the invention it can be provided that the housing has a hood body and a pipe section held on the hood body, wherein the pipe section the exhaust-side end portion of the Defined air duct and at the top of the Luftausblasöffnung and laterally having at least one air outlet opening and that the closure means are housed in the pipe section. In this case, the pipe section can in particular be releasably connected to the hood body. The fact that the closure means are housed in the pipe section, the assembly is easy. This is especially true when the pipe section is detachably connected to the hood body. In this case, the pipe section with the Luftausblasöffnung and the air outlet openings and the closure mechanism or the closure means may form a preassemblable unit.
Zweckmäßigerweise umfasst der Rohrabschnitt wenigstens zwei teleskopartig ineinander greifende Rohrelemente, die gegeneinander axial verstellt werden können, um die Länge des Rohrabschnitts zu verändern. Durch die teleskopartiges Ausziehbarkeit des Rohrabschnitts wird der Einbau unter unterschiedlichen Bedingungen vereinfacht.Conveniently, the pipe section comprises at least two telescopically intermeshing pipe elements which can be adjusted axially relative to each other in order to change the length of the pipe section. The telescopic extensibility of the pipe section simplifies installation under different conditions.
Dabei kann vorgesehen sein, dass von dem Rohrabschnitt seitlich Luftaustrittskanäle abragen, an denen endseitig die Lufteintrittsöffnungen ausgebildet sind. Ebenso können an den Luftaustrittsöffnungen in an sich bekannter Weise Aktivkohlefilter angeordnet sein, die beispielsweise festgeclipst oder auch magnetisch fixiert werden können, so dass sich deren Austausch und Reinigung einfach gestaltet.It can be provided that protrude laterally from the pipe section air outlet ducts on which the end of the air inlet openings are formed. Likewise, at the air outlet openings in a conventional manner activated carbon filter can be arranged, which can for example be clipped or magnetically fixed, so that their exchange and cleaning is simple.
In bevorzugter Weise ist den Verschlussmitteln ein Antrieb - insbesondere ein elektrischer Antrieb - zugeordnet, über welchen die Verschlussmittel betätigbar sind. Der Antrieb kann manuell betätigbar sein. Ebenso ist ein automatischer Betrieb möglich. In diesem Fall ist dem Antrieb eine Steuerung zugeordnet, welche ausgebildet ist, um die Verschlussmittel über den Antrieb in Abhängigkeit von vorgebbaren Parametern automatisch zwischen der Umluftbetriebsstellung und der Abluftbetriebsstellung zu verstellen. Hierzu können der Steuerung Sensoren zugeordnet sein, um die Außentemperatur und/oder die Raumtemperatur und/oder die Lufttemperatur zu messen. Die Steuerung ist dann ausgebildet, um die Verschlussmittel über den Antrieb automatisch in Abhängigkeit von den erfassten Temperaturwerten und/oder Luftfeuchtigkeitswerten zwischen der Umluftbetriebsstellung und der Abluftbetriebsstellung zu verstellen. Insbesondere kann die Steuerung ausgebildet sein, um bei Unterschreiten einer vorgegebenen oder vorgebbaren Außentemperatur automatisch in den Umluftbetrieb zu schalten, d.h. die Verschlussmittel in ihrer Umluftbetriebsstellung zu verstellen. Wenn es im Winter kalt ist, wird dann in erster Linie ein Umluftbetrieb stattfinden, um die in der Luft enthaltene Wärme nicht zu vergeuden. Dabei besteht natürlich das Risiko, dass im Umluftbetrieb die Luftfeuchtigkeit in dem Kochraum ansteigt und somit Fensterscheiben beschlagen. Dem kann entgegengewirkt werden, indem auch die Luftfeuchtigkeit oder der Temperaturunterschied innen/außen berücksichtigt wird. Letztenendes kann unter Berücksichtigung der Innentemperatur, der Außentemperatur und der Luftfeuchtigkeit automatisch zwischen einem Abluftbetrieb und einem Umluftbetrieb derart umgeschaltet werden, dass möglichst wenig warme Luft im Abluftbetrieb nach außen geführt, aber ein Beschlagen der Fensterscheiben verhindert wird.Preferably, the closure means is a drive - in particular an electric drive - assigned, via which the closure means can be actuated. The drive can be manually operated. Likewise, an automatic operation is possible. In this case, a control is associated with the drive, which is designed to automatically connect the closure means via the drive in dependence on predefinable parameters between the Recirculation operating position and the exhaust air operating position to adjust. For this purpose, the controller may be associated with sensors to measure the outside temperature and / or the room temperature and / or the air temperature. The controller is then designed to automatically adjust the closing means via the drive in dependence on the detected temperature values and / or humidity values between the circulating air operating position and the exhaust air operating position. In particular, the controller may be configured to automatically switch to recirculation mode when falling below a predetermined or predeterminable outside temperature, ie to adjust the closure means in its circulating air operating position. When it is cold in winter, it will be primarily air recirculation to avoid wasting the heat in the air. There is, of course, the risk that the air humidity in the cooking chamber increases in recirculation mode and thus misting window panes. This can be counteracted by also taking into account the humidity or the temperature difference inside / outside. Finally, taking into account the internal temperature, the outside temperature and humidity automatically between an exhaust air operation and a recirculation mode can be switched so that as little warm air in the exhaust air operation led to the outside, but fogging of the windows is prevented.
Zur Betätigung der Verschlussplatten kann vorgesehen sein, dass der Antrieb einen Motor und eine durch diesen drehend angetriebene Stellspindel aufweist, wobei die Stellspindel außenseitig ein Außengewinde aufweist, an dem ein Stellelement gehalten ist, welches mit einem entsprechenden Innengewinde versehen ist, wobei an den gegenüberliegenden Seiten von der Gewindespindel abragende freien Enden des Stellelements jeweils über einen Verbindungshebel mit dem freien Endbereich der Verschlussplatten verbunden sind, und wobei die Verbindungshebel über Gelenke mit Schwenkachsen, die parallel um den Schwenkachsen, um welche die Verschlussplatten verschwenkbar sind, verlaufen, mit dem Stellelement und den Verschlussplatten verbunden sind.To actuate the closure plates can be provided that the drive has a motor and a rotationally driven by this adjusting spindle, wherein the adjusting spindle has an external thread on the outside, on which an adjusting element is held, which is provided with a corresponding internal thread, wherein on the opposite sides from the threaded spindle projecting free ends of the actuating element are each connected via a connecting lever to the free end portion of the closure plates, and wherein the connecting lever via joints with pivot axes, which are parallel to the pivot axes about which the closure plates are pivotable, extend, are connected to the actuating element and the closure plates.
Wenn bei dieser Ausführungsform die Stellspindel angetrieben durch den Motor gedreht wird, führt dies zu einer axialen Stellbewegung des Stellelements. Dabei wird eine nach unten gerichtete Axialbewegung des Stellelements in eine Schwenkbewegung der Verschlussplatten aus der Umluftbetriebsstellung in die äußere Abluftbetriebsstellung umgesetzt. Umgekehrt wird eine nach oben gerichtete Axialbewegung des Stellelements in eine aufeinander zu gerichtete Schwenkbewegung der Verschlussplatten um die Schwenkachsen umgesetzt, um die Verschlussplatten in die innere Endstellung zu bringen, in welcher sie das Abluftrohr verschließen und die Luftaustrittsöffnungen freigeben.In this embodiment, when the adjusting spindle driven by the motor is rotated, this leads to an axial adjusting movement of the adjusting element. In this case, a downward axial movement of the actuating element is converted into a pivoting movement of the closure plates from the Umluftbetriebsstellung in the outer Abluftbetriebsstellung. Conversely, an upward axial movement of the actuating element is converted into a mutually directed pivotal movement of the closure plates about the pivot axes in order to bring the closure plates in the inner end position in which they close the exhaust pipe and release the air outlet openings.
Hinsichtlich weiterer Ausgestaltungen der Erfindung wird auf die Unteransprüche sowie die nachfolgende Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die beiliegende Zeichnung verwiesen. In der Zeichnung zeigt:
Figur 1- eine Dunstabzugshaube gemäß der vorliegenden Erfindung in Vorderansicht;
Figur 2- die Dunstabzugshaube aus
in teilweise geschnittener Darstellung im Umluftbetrieb;Figur 1 Figur 3- die Dunstabzugshaube aus
in teilweise geschnittener Darstellung im Abluftbetrieb;Figur 1 Figur 4- einen Rohrabschnitt der Dunstabzugshaube in vergrößerter Darstellung mit weggelassener Frontplatte;
Figur 5- den Rohrabschnitt aus
in perspektivischer Darstellung;Figur 4 Figur 6- den Rohrabschnitt aus
in einer weiteren perspektivischen Darstellung mit leicht geöffnetem Verschlussplatten;Figur 4 Figur 7- den Rohrabschnitt aus
mit weiter geöffneten Verschlussplatten;Figur 4 Figur 8- den Rohrabschnitt aus
mit völlig geöffneten Verschlussplatten, d.h. im Abluftbetrieb;Figur 4 Figur 9- den Rohrabschnitt aus
in perspektivischer Darstellung; undFigur 8 Figur 10- den
Rohrabschnitt aus Figur 7 in perspektivischer Darstellung.
- FIG. 1
- an extractor hood according to the present invention in front view;
- FIG. 2
- the extractor hood off
FIG. 1 in partially sectioned view in the recirculation mode; - FIG. 3
- the extractor hood off
FIG. 1 in a partially sectioned illustration in the exhaust air operation; - FIG. 4
- a pipe section of the hood in an enlarged view with omitted front panel;
- FIG. 5
- the pipe section
FIG. 4 in perspective view; - FIG. 6
- the pipe section
FIG. 4 in a further perspective view with slightly open closure plates; - FIG. 7
- the pipe section
FIG. 4 with further open closure plates; - FIG. 8
- the pipe section
FIG. 4 with completely opened closing plates, ie in the exhaust air operation; - FIG. 9
- the pipe section
FIG. 8 in perspective view; and - FIG. 10
- the pipe section
FIG. 7 in perspective view.
In der Zeichnung ist eine Dunstabzugshaube 1 gemäß der vorliegenden Erfindung schematisch dargestellt. Die Dunstabzugshaube 1 besitzt ein Gehäuse 2 mit einem Haubenkörper 3, welcher an seiner Unterseite eine Luftansaugöffnung 4 und an seiner Oberseite eine Luftauslassöffnung 5 aufweist, und einen vertikalen Rohrabschnitt bzw. Luftabführungsschacht 6, der an der Oberseite des Haubenkörpers 3 vorgesehen ist und die Luftauslassöffnung 5 des Haubenkörpers 3 umgibt. Der vertikale Rohrabschnitt 6 weist an seiner Oberseite eine Luftausblasöffnung 7 auf, die an ein Abluftrohr 8 angeschlossen ist. In dem Haubenkörper 3 und dem vertikalen Rohrabschnitt 6 ist ein Luftführungskanal 9 ausgebildet, der sich zwischen der Luftansaugöffnung 4 des Haubenkörpers 3 und der Luftausblasöffnung 7 des vertikalen Rohrabschnitts 6 erstreckt.In the drawing, an
Im Bereich der Luftansaugöffnung 4, die einen im Wesentlichen rechteckigen Querschnitt besitzt, ist ein nicht dargestellter Fettfilter vorgesehen, welcher aus einem Metallgeflecht besteht. Oberhalb dieses Fettfilters sind in dem Luftführungskanal 9 weitere Luftreinigungselemente angeordnet, um die in den Haubenkörpers 2 eintretende Luft von Schwebstoffen (Aerosolen etc.) zu befreien. Zusätzlich kann ein UV-Strahler eingesetzt werden, der UV-Strahlung mit einer Wellenlänge von 185 nm abstrahlt. Alternativ kann auch eine Plasmareinigungsstrecke in der Dunstabzugshaube vorgesehen sein.In the region of the
In dem vertikalen Rohrabschnitt 6 sind weiterhin auf gegenüberliegenden Seiten des Luftführungsschachtes 9 zwei in der Zeichnung nach links und rechts gerichtete Luftaustrittsöffnungen 10 vorgesehen. Diese sind in den dargestellten Ausführungsbeispielen am freien Ende von Luftaustrittskanälen 11 ausgebildet, die von dem Rohrabschnitt 6 seitlich abragen. An den Luftaustrittsöffnungen 10 sind Aktivkohlefilter 12 angeordnet, die an den Luftaustrittskanälen 11 festgeclipst oder magnetisch befestigt sind.In the
In dem vertikalen Rohrabschnitt 6 ist ferner eine Verschlusseinrichtung 13 vorgesehen, mit der es möglich ist, die Dunstabzugshaube 1 zwischen einem Abluftbetrieb, in welchem die Luftaustrittsöffnungen 10 für den Umluftbetrieb verschlossen werden, Luft jedoch in das Abluftrohr 8 strömen kann, und einem Umluftbetrieb, in welchem die Luftausblasöffnung 7 verschlossen wird, jedoch die Luftaustrittsöffnungen 10 geöffnet sind, so dass Luft durch die Luftaustrittsöffnungen 10 aus dem Gehäuse 2 strömen kann, umzuschalten. Die Verschlusseinrichtung umfasst zwei Verschlussplatten 14, die an ihrem oberen Ende an dem oberen Randbereich des vertikalen Rohrabschnitts 6 durch Scharniere 15 um parallele, senkrecht zur Bildebene der Figuren liegende Achsen 15a schwenkbar gehalten sind. Die freien Enden der Verschlussplatten 14 sind über einen Hebelmechanismus 16 zwischen der in
Dem Hebelmechanismus 16 ist ein elektrischer Antrieb 17 mit einem Motor 18, der an der Oberseite des Rohrabschnitts 6 positioniert ist, und einer Stellspindel 19, welche von dem Motor 18 nach unten abragt und durch diesen drehend angetrieben wird, zugeordnet. Die Stellspindel 19 weist außenseitig ein Außengewinde auf, an dem ein Stellelement 20 gehalten ist, das mit einem entsprechenden Innengewinde versehen ist. Das Stellelement 20 ragt seitlich in Richtung der Luftaustrittsöffnungen 10 für den Umluftbetrieb von der Gewindespindel 19 ab, wobei die freien Enden des Stellelements 20 jeweils über einen Verbindungshebel 21 mit dem unteren, freien Endbereich der Verschlussplatten 14 verbunden ist. Die Verbindungshebel 21 sind über Gelenke 22, 23 mit Schwenkachsen, die senkrecht zur Bildebene der
Wenn die Stellspindel angetrieben durch den Motor 18 gedreht wird, führt dies zu einer axialen Stellbewegung des Stellelements 20. Dabei wird eine nach unten gerichtete Axialbewegung des Stellelements 20 in eine Schwenkbewegung der Verschlussplatten 14 aus der in den
Claims (14)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13162859.6A EP2789921B1 (en) | 2013-04-09 | 2013-04-09 | Extractor hood |
DE202013005044.6U DE202013005044U1 (en) | 2013-04-09 | 2013-06-04 | Hood |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13162859.6A EP2789921B1 (en) | 2013-04-09 | 2013-04-09 | Extractor hood |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2789921A1 true EP2789921A1 (en) | 2014-10-15 |
EP2789921B1 EP2789921B1 (en) | 2017-04-05 |
Family
ID=48049876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13162859.6A Active EP2789921B1 (en) | 2013-04-09 | 2013-04-09 | Extractor hood |
Country Status (2)
Country | Link |
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EP (1) | EP2789921B1 (en) |
DE (1) | DE202013005044U1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3220725B1 (en) | 2016-03-15 | 2019-05-22 | Manfred H. Langner | Air purification module with a plasma-generating device and method for the preparation of a plasma-generating device |
WO2024072213A1 (en) * | 2022-09-26 | 2024-04-04 | Bos Fornuizen B.V. | Extractor assembly for a domestic cooker, cooker arrangement, and method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11059080B2 (en) | 2017-11-06 | 2021-07-13 | Novarc Technologies Inc. | Hood for fume extractor |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0940633A2 (en) * | 1998-03-05 | 1999-09-08 | BSH Bosch und Siemens Hausgeräte GmbH | Extraction hood for kitchens |
DE19814000A1 (en) * | 1998-03-28 | 1999-09-30 | Aeg Hausgeraete Gmbh | Fume removal hood with chimney connected in drought flue in flow direction for mounting above cookers in kitchens |
EP1055883A2 (en) * | 1999-05-26 | 2000-11-29 | BSH Bosch und Siemens Hausgeräte GmbH | Smoke extracting hood |
DE102005004692A1 (en) | 2005-02-02 | 2006-08-10 | Berbel Ablufttechnik Gmbh | Vapor departure hood for use in kitchen, has filter arranged in region of blow opening and/or in exhaust pipe, in course of air duct, where part of air flow fed through air duct is blowable by filter |
DE102006024658A1 (en) * | 2006-05-22 | 2007-11-29 | Werner Pauen | Device for extractor hoods for alternating operation between circulating air and extract air, depending on the outside temperature |
EP2151632A1 (en) * | 2008-08-06 | 2010-02-10 | Faber S.p.A. | Ecological kitchen hood and method for reducing thermal energy dispersion |
EP2290298A2 (en) * | 2009-09-01 | 2011-03-02 | Wesco Ag | Device for diverting an air flow, in particular for an extractor hood |
DE102009042222A1 (en) * | 2009-09-18 | 2011-04-21 | Berbel Ablufttechnik Gmbh | Fan unit for exhaust hood arrangement in kitchen for removing dirt particles from exhaust air flow, has drive unit moving cover from closed position in which cover covers housing to open position in which cover defines opening for air flow |
EP2487424A1 (en) * | 2011-02-11 | 2012-08-15 | Miele & Cie. KG | Vapour extractor for an oven, a hotplate or similar |
EP2570735A1 (en) * | 2011-09-19 | 2013-03-20 | BSH Bosch und Siemens Hausgeräte GmbH | Vapour extractor system and method for operating same |
-
2013
- 2013-04-09 EP EP13162859.6A patent/EP2789921B1/en active Active
- 2013-06-04 DE DE202013005044.6U patent/DE202013005044U1/en not_active Expired - Lifetime
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0940633A2 (en) * | 1998-03-05 | 1999-09-08 | BSH Bosch und Siemens Hausgeräte GmbH | Extraction hood for kitchens |
DE19814000A1 (en) * | 1998-03-28 | 1999-09-30 | Aeg Hausgeraete Gmbh | Fume removal hood with chimney connected in drought flue in flow direction for mounting above cookers in kitchens |
EP1055883A2 (en) * | 1999-05-26 | 2000-11-29 | BSH Bosch und Siemens Hausgeräte GmbH | Smoke extracting hood |
DE102005004692A1 (en) | 2005-02-02 | 2006-08-10 | Berbel Ablufttechnik Gmbh | Vapor departure hood for use in kitchen, has filter arranged in region of blow opening and/or in exhaust pipe, in course of air duct, where part of air flow fed through air duct is blowable by filter |
DE102006024658A1 (en) * | 2006-05-22 | 2007-11-29 | Werner Pauen | Device for extractor hoods for alternating operation between circulating air and extract air, depending on the outside temperature |
EP2151632A1 (en) * | 2008-08-06 | 2010-02-10 | Faber S.p.A. | Ecological kitchen hood and method for reducing thermal energy dispersion |
EP2290298A2 (en) * | 2009-09-01 | 2011-03-02 | Wesco Ag | Device for diverting an air flow, in particular for an extractor hood |
DE102009042222A1 (en) * | 2009-09-18 | 2011-04-21 | Berbel Ablufttechnik Gmbh | Fan unit for exhaust hood arrangement in kitchen for removing dirt particles from exhaust air flow, has drive unit moving cover from closed position in which cover covers housing to open position in which cover defines opening for air flow |
EP2487424A1 (en) * | 2011-02-11 | 2012-08-15 | Miele & Cie. KG | Vapour extractor for an oven, a hotplate or similar |
EP2570735A1 (en) * | 2011-09-19 | 2013-03-20 | BSH Bosch und Siemens Hausgeräte GmbH | Vapour extractor system and method for operating same |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3220725B1 (en) | 2016-03-15 | 2019-05-22 | Manfred H. Langner | Air purification module with a plasma-generating device and method for the preparation of a plasma-generating device |
WO2024072213A1 (en) * | 2022-09-26 | 2024-04-04 | Bos Fornuizen B.V. | Extractor assembly for a domestic cooker, cooker arrangement, and method |
Also Published As
Publication number | Publication date |
---|---|
DE202013005044U1 (en) | 2014-08-04 |
EP2789921B1 (en) | 2017-04-05 |
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