EP2817569B1 - Hob extractor with a closure element which can be oriented horizontally and centrally vertically - Google Patents

Hob extractor with a closure element which can be oriented horizontally and centrally vertically Download PDF

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Publication number
EP2817569B1
EP2817569B1 EP13708658.3A EP13708658A EP2817569B1 EP 2817569 B1 EP2817569 B1 EP 2817569B1 EP 13708658 A EP13708658 A EP 13708658A EP 2817569 B1 EP2817569 B1 EP 2817569B1
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EP
European Patent Office
Prior art keywords
closure element
inlet opening
shaped
vapor inlet
cooking
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EP13708658.3A
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German (de)
French (fr)
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EP2817569A2 (en
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Wilhelm Bruckbauer
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Individual
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Individual
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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
    • F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft

Definitions

  • the present invention relates to a cooktop extractor for removing cooking fumes in a vertically downward direction with a cooking fume inlet opening and a device for reversibly closing and opening the cooking fume inlet opening, with the features specified in the preamble of claim 1.
  • the cooking fume inlet opening of a cooking fume extractor downwards cooking - especially to avoid an upward leakage of odors when the fan motor - after using the trigger function with a to the shape of the cooking fume inlet opening adapted to close up removable lid.
  • the lid In order to allow an upward lifting of the local lid of the cooking fume inlet opening, the lid usually has at least one opening for engagement of a finger of the user.
  • Such turbulence in the aspirated vertically downwardly directed cooking fume stream is disadvantageous because it is accompanied by increased flow resistance, which requires the use of more powerful and thus louder and more expensive fan motors and higher amounts of electrical power.
  • the object of the present invention is therefore to provide a cooktop extractor for removing cooking fumes in a vertically downward direction with a cooking fume inlet opening and with a device for reversibly closing and opening the cooking fume inlet opening, which eliminates the problem of turbulence within the sucked cooking fume stream even at the height of the cooking fume inlet opening or just downstream thereof, which does not allow the use of particularly small, quiet and cost and low electrical energy consuming fan motors, which does not know the problem of rising of odors through engaging openings of the cover of the cooking fume inlet opening, which even with active Deduction does not require the use of the already mostly scarce area of the worktop for storing a cooking fume inlet opening closure and thereby leaves the entire surface of the countertop fully usable and which a risk of injury and a risk of damage to the floor covering and / or the device for closing and Opening the cooking fume inlet opening by falling down the device for closing and opening the cooking fume inlet opening safely avoids.
  • the present invention relates to a cooktop extractor (4) for removing cooking fumes (3) in a vertically downward direction with a cooking fume inlet opening (2) and a device (1) for reversibly closing and opening the cooking fume inlet opening ( 2).
  • the device (1) for reversibly closing and opening the cooking fume inlet opening (2) comprises - in the plan view - rectangular or square and - considering the cross-sectional area - plate-shaped closure element (5) (see FIGS. 1 to 12 and 17 to 20 ).
  • the closure element (5) between a horizontal orientation - under closure of the cooking fume inlet opening (2) - and a vertical orientation - under opening of the cooking fume inlet opening (2) - reversibly back and forth be rotatable.
  • This back and forth rotation of the closure element (5) can, for example, by turning and / or pivoting and / or moving and / or moving the closure element (5) about its horizontal, parallel to the longitudinal axis (13) of the cooking vapor inlet opening (2). running or coincident with this axis of rotation (14).
  • one side of the closure element (5) faces in one direction (for example up or down or to the left or to the right) while the other side of the closure element (5) Closing element (5) in the opposite direction.
  • the closure element (5) in the central region (11) of the width (7) of the cooking vapor inlet opening (2) in the vertical orientation be reversibly fixed.
  • the closure element (5) can also be reversibly fixable in a horizontal orientation - obstructing the cooking-steam inlet opening (2).
  • the rotational axis (14) of the closure element (5) during the reversible rotation of the closure element (5) from its horizontal to its vertical position undergo a vertical and / or horizontal, guided or non-guided change in position.
  • first U-shaped groove ( 19) and in the region of the center (11) of the cover (16) located may be provided.
  • both opposite end faces (26) of the closure element (5) can each - in a longitudinal edge region (12) of the end face (26) - each have a pin-like projection (22) for engaging in the first groove (19) or in the second groove ( 21) may be provided.
  • edge region of the horizontal closure element (5) lying opposite the pin-shaped projection (21) then rests on the adjacent longitudinal side edge (12) of the cover frame (16).
  • the free edge region of the closure element (5) lying opposite the pin-shaped projection (22) then generally points vertically downwards.
  • FIGS. 7 to 16 show that - in a first alternative embodiment - one or more pin-shaped or bolt-shaped or sword-shaped projections (22) can be provided on each of the two end faces (26) of the closure element (5).
  • one or more straight or curved, web-shaped grooves (27) for each of the width (18) of the cover frame (16) extending end faces (24) of the cover frame (16) on the two inner surfaces (17) Engagement and to guide the projections (22) of the closure element (5) may be provided.
  • the dimensions and the shapes of the web-shaped grooves (27) are further, for example, such that when a vertical orientation of the closure element (5) this at least partially releases the cooking vapor inlet opening (2).
  • the one or more pin-shaped or bolt-shaped or sword-shaped projections (22) on the inner surfaces (17) of the end faces (24) of the cover frame (16) may be provided.
  • the one or more straight or curved, web-like grooves (27) for guiding the projections (22) - with rotation of the closure element (5) about its axis of rotation (14) and under horizontal and / or vertical change in position of the axis of rotation (14) of the closure element (5) - be provided on the end faces (26) of the closure element (5).
  • FIGS. 7 and 8th shows that in the case of the cooktop extractor (4) according to the invention, the web-shaped grooves (27) in the central region (11) of the cover frame (16) and in the form of straight, obliquely oriented longitudinal holes can be formed.
  • the pin-shaped projections (22) can then be formed, for example, in the middle region (11) of the cross-sectional surface of the closure element (5) on the end faces (26) of the rectangular, plate-shaped closure element (5).
  • the shape, the course and the arrangement of the grooves (27) can be designed such that the closure element (5) rests in its horizontal closure position on the longitudinal edges (12) of the cover frame (16) on both sides.
  • the shape, the course and the arrangement of the grooves (27) can also be designed such that the closure element (5) is at least as far liftable by displacement that it then around its central axis of rotation (14) in a vertical cooking fume inlet opening Release position is rotatable.
  • a substantially vertically or obliquely oriented, circular arc segment-shaped second groove (27) may be provided.
  • two spaced-apart pin-shaped projections (22) for engagement in the grooves (27) may be provided at the edge regions of the end faces (26) of the rectangular, plate-shaped closure element (5).
  • the ends of the grooves (27) each have an L-shaped angled portion (28) for locking and locking the projections (22) of the closure element (5) in the horizontal and vertical stop position of the closure element (5).
  • a sword-shaped projection (22) in a lateral edge region of the cross-sectional area of the rectangular, plate-shaped closure element (5) on the end face (26) of the closure element (5) may be formed.
  • the web-shaped groove (27) on the end face (26) of the closure element (5) of a - in view of the cross-sectional area of the closure element (5) - in the form of a fully symmetrical profile designed closure element (5 ) may be formed in the shape of a straight slot extending from the profile center to the profile nose.
  • FIGS. 15 and 16 show that in the cooktop extractor (4) according to the invention, the closure element (5) for laminar deflection of the extracted cooking fumes (3) in the direction of the laterally or rearwardly discharging exhaust duct (20) may be formed in the form of a curved wing profile.
  • the web-shaped groove (27) on the end face (26) of the closure element (5) can then extend in a curved shape, starting from the nose region over the middle region of the profile.
  • a pin-shaped projection (22) for engaging the sheet-shaped groove (27) may be provided in the overhead center portion (11) of the inner side (17) of the end face (24) of the cover frame (16).
  • the closure element (5) is plate-shaped and rectangular or square and can close the cooking fume inlet opening (2) in a horizontal orientation.
  • the closure element (5) can be designed in the form of a rectangular or square plate.
  • the closure element (5) about its axis of rotation (14) between a horizontal and a vertical orientation reversibly rotatable with the central region (11) of the cover frame (16) are in communication.
  • the axis of rotation (14) in this case runs horizontally through the middle region of the width (8) of the closure element (5).
  • the closure element (5) preferably releases the cooking-steam inlet opening (2) in a vertical orientation.
  • the rotation axis (14) during the rotation of the closure element (5) from its horizontal position to its vertical position - excluding vertical displacement - remain stationary at the level of the cover frame (16).
  • a cooktop extractor (4) for removing cooking fumes (3) in a vertically downward direction with a cooking fume inlet opening (2) and with a device (1) for reversibly closing and opening the cooking fume Inlet opening (2) is provided, which does not know the problem of turbulence within the sucked cooking vapor stream even at the level of cooking fume inlet or just downstream thereof.
  • the closure element (5) of the cooktop extractor (4) for its movement on a handle bar, a tab or a projection.
  • the cooktop extractor (4) according to the invention thus does not know the problem of the rising of odors by means of engagement openings of the cover of the cooking-steam inlet opening (2).
  • Another advantage of the cooktop extractor (4) according to the invention is that even with active deduction an area unrestricted use of most scarce area of the worktop is possible, in particular a space-consuming occupy the worktop by a cooking fume inlet opening closure is no longer required.
  • the cooktop extractor (4) according to the invention is also advantageous because a risk of injury and a risk of damage to the floor covering and / or a lid-shaped device for closing the cooking fume inlet opening are excluded by dropping the device for closing and opening the cooking fume inlet opening.
  • the cooktop extractor (4) according to the invention is advantageous because - with the cooking surface flush design - the problem of sticking of cookware - during its displacement on the hob - on above the hob upstanding components of cooktop extractor, especially on the device for Opening and closing the cooking fume inlet opening, then does not know.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)
  • Cookers (AREA)

Description

Die vorliegende Erfindung betrifft einen Kochfeldabzug zum Abziehen von Kochdünsten in vertikal nach unten weisender Richtung mit einer Kochdunst-Eintrittsöffnung und einer Vorrichtung zum reversiblen Verschließen und Öffnen der Kochdunst-Eintrittsöffnung, mit den im Oberbegriff des Patentanspruches 1 angegebenen Merkmalen.The present invention relates to a cooktop extractor for removing cooking fumes in a vertically downward direction with a cooking fume inlet opening and a device for reversibly closing and opening the cooking fume inlet opening, with the features specified in the preamble of claim 1.

Aus der US 3 756 217 A ist ein Verschlusselement für eine Abzugsvorrichtung für Kochdünste bekannt. Aus der DE 10 2009 025 038 A1 ist ein Kochfeldabzug mit einer abnehmbaren deckelförmigen Verschließeinrichtung bekannt.From the US 3 756 217 A is a closure element for a hood for cooking fumes known. From the DE 10 2009 025 038 A1 a cooktop extractor with a removable lid-shaped closing device is known.

Aus dem Stand der Technik ist es bekannt, die Kochdunst-Eintrittsöffnung eines nach unten Kochdünste abziehenden Kochfeldabzuges - insbesondere zur Vermeidung eines nach oben gerichteten Austrittes von Gerüchen bei ausgeschaltetem Lüftermotor - nach der Benutzung der Abzugs-Funktion mit einem an die Form der Kochdunst-Eintrittsöffnung angepassten, nach oben abnehmbaren Deckel zu verschließen.From the prior art, it is known, the cooking fume inlet opening of a cooking fume extractor downwards cooking - especially to avoid an upward leakage of odors when the fan motor - after using the trigger function with a to the shape of the cooking fume inlet opening adapted to close up removable lid.

Um ein nach oben gerichtetes Abheben des dortigen Deckels von der Kochdunst-Eintrittsöffnung zu ermöglichen, weist der Deckel in der Regel zumindest eine Öffnung zum Eingriff eines Fingers des Benutzers auf.In order to allow an upward lifting of the local lid of the cooking fume inlet opening, the lid usually has at least one opening for engagement of a finger of the user.

Durch diese Eingriffs-Öffnung des Deckels können jedoch von Fetten und anderen Rückständen ausgehende Gerüche aufsteigen und die Luft oberhalb der Kochdunst-Eintrittsöffnung nachteilig beeinflussen.However, through this engaging opening of the lid, fumes emanating from fats and other residues may rise and adversely affect the air above the cooking fume inlet.

Ein weiterer Nachteil dieses aus dem Stand der Technik bekannten Kochfeldabzuges mit abnehmbarem Deckel zum Verschließen der Kochdunst-Eintrittsöffnung liegt darin, dass dort insbesondere die von der Seite her angesaugten Kochdünste die breite Strömung von vertikal nach unten angesaugten Kochdünsten gegebenenfalls unter Ausbildung von Turbulenzen beeinflussen können.Another disadvantage of this known from the prior art cooktop extractor with removable cover for closing the cooking fume inlet opening is that there especially the sucked from the side cooking fumes can influence the broad flow of vertically sucked down cooking fumes, where appropriate, to form turbulence.

Derartige Turbulenzen in dem angesaugten, vertikal nach unten gerichteten Kochdunst-Strom sind deswegen nachteilig, weil sie mit einem erhöhten Strömungswiderstand einhergehen, welcher den Einsatz leistungsstärkerer und damit lauterer und teurerer Lüftermotoren und höherer Mengen an elektrischem Strom erfordert.Such turbulence in the aspirated vertically downwardly directed cooking fume stream is disadvantageous because it is accompanied by increased flow resistance, which requires the use of more powerful and thus louder and more expensive fan motors and higher amounts of electrical power.

Wird der aus dem Stand der Technik bekannte Deckel - unter Freigabe der Kochdunst-Eintrittsöffnung - auf der das Kochfeld tragenden Arbeitsplatte abgelegt, so nimmt der Deckel dort einen Teil der meist knapp bemessenen Arbeitsfläche störend in Anspruch.If the cover known from the prior art is deposited on the cooking surface carrying the hob, releasing the cooking-steam inlet opening, then the lid takes up a portion of the workspace, which is usually tightly dimensioned.

Außerdem besteht die Gefahr, dass der auf der Arbeitsplatte abgelegte Deckel von der Arbeitsplatte - beispielsweise während des Hantierens mit Kochgeschirr - nach unten in Richtung des Bodens fällt.In addition, there is a risk that the lid placed on the worktop falls from the worktop - for example while handling cookware - down towards the floor.

Hierbei kann eine Verletzungsgefahr für die Beine und die Füße der Benutzerin oder des Benutzers gegeben sein.This may be a risk of injury to the legs and feet of the user or the user.

Darüber hinaus kann hierbei die Gefahr einer Beschädigung des Deckels und/oder des Bodenbelages bestehen.In addition, in this case there is the risk of damage to the lid and / or the floor covering.

Aufgabe der vorliegenden Erfindung ist daher die Bereitstellung eines Kochfeldabzuges zum Abziehen von Kochdünsten in vertikal nach unten weisender Richtung mit einer Kochdunst-Eintrittsöffnung und mit einer Vorrichtung zum reversiblen Verschließen und Öffnen der Kochdunst-Eintrittsöffnung, welcher das Problem von Turbulenzen innerhalb des angesaugten Kochdunst-Stromes selbst auf Höhe der Kochdunst-Eintrittsöffnung oder knapp stromabwärts hiervon nicht kennt, welcher den Einsatz besonders kleiner, leiser und kostengünstiger sowie wenig elektrische Energie verbrauchender Lüftermotoren gestattet, welcher das Problem des Aufsteigens von Geruchsstoffen durch Eingriffsöffnungen der Abdeckung der Kochdunst-Eintrittsöffnung nicht kennt, welcher auch bei aktivem Abzug nicht eine Inanspruchnahme der ohnehin meist knapp bemessenen Fläche der Arbeitsplatte zur Ablage eines Kochdunst-Eintrittsöffnungs-Verschlusses erfordert und dadurch die gesamte Fläche der Arbeitsplatte uneingeschränkt nutzbar belässt und welcher eine Verletzungsgefahr und eine Gefahr der Beschädigung des Bodenbelages und/oder der Vorrichtung zum Verschließen und Öffnen der Kochdunst-Eintrittsöffnung durch ein Herunterfallen der Vorrichtung zum Verschließen und Öffnen der Kochdunst-Eintrittsöffnung sicher vermeidet.The object of the present invention is therefore to provide a cooktop extractor for removing cooking fumes in a vertically downward direction with a cooking fume inlet opening and with a device for reversibly closing and opening the cooking fume inlet opening, which eliminates the problem of turbulence within the sucked cooking fume stream even at the height of the cooking fume inlet opening or just downstream thereof, which does not allow the use of particularly small, quiet and cost and low electrical energy consuming fan motors, which does not know the problem of rising of odors through engaging openings of the cover of the cooking fume inlet opening, which even with active Deduction does not require the use of the already mostly scarce area of the worktop for storing a cooking fume inlet opening closure and thereby leaves the entire surface of the countertop fully usable and which a risk of injury and a risk of damage to the floor covering and / or the device for closing and Opening the cooking fume inlet opening by falling down the device for closing and opening the cooking fume inlet opening safely avoids.

Erfindungsgemäß wird diese Aufgabe bei einem gattungsgemäßen Kochfeldabzug durch die im Patentanspruch 1 angegebenen Merkmale gelöst.This object is achieved in a generic cooktop extractor by the features specified in claim 1.

Besonders bevorzugte Ausführungsformen sind Gegenstand der Unteransprüche.Particularly preferred embodiments are the subject of the dependent claims.

Ausführungsbeispiele der Erfindung werden anhand der Zeichnungen näher beschrieben. Es zeigen:

  • Figur 1 eine schematische perspektivische Ansicht von schräg oben auf einen erfindungsgemäßen Kochfeldabzug (4) mit durch ein horizontales Verschlusselement (5) geschlossener Kochdunst-Eintrittsöffnung (2), wobei in der Stirnseite (24) des Abdeckrahmens (16) eine erste U-förmige Nut (19) und eine zweite U-förmige Nut (21) vorgesehen sind und wobei an den Stirnseiten (26) des Verschlusselementes (5) jeweils ein stiftartiger Vorsprung (22) zum Eingreifen in die erste Nut (19) oder in die zweite Nut (21) vorgesehen ist;
  • Figur 2 eine schematische perspektivische Ansicht von schräg oben auf den in Figur 1 dargestellten erfindungsgemäßen Kochfeldabzug (4), dessen Verschlusselement (5) vertikal ausgerichtet und in dem Mitten-Bereich (11) der Stirnseiten (24) des Abdeckrahmens (16) vorgesehen ist;
  • Figur 3 eine Ausschnittsvergrößerung des Stirnseitenbereiches des in Figur 2 dargestellten erfindungsgemäßen Kochfeldabzuges (4) mit vertikal ausgerichtetem Verschlusselement (5);
  • Figur 4 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen, in den Figuren 2 und 3 dargestellten Kochfeldabzug (4) mit vertikal ausgerichtetem Verschlusselement (5);
  • Figur 5 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen, in Figur 1 dargestellten Kochfeldabzug (4) mit horizontal ausgerichtetem Verschlusselement (5);
  • Figur 6 eine schematische Draufsicht auf einen erfindungsgemäßen, in den Figuren 2, 3 und 4 dargestellten Kochfeldabzuges (4) mit vertikal ausgerichtetem Verschlusselement (5) und freigegebener Kochdunst-Eintrittsöffnung (2);
  • Figur 7 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen Kochfeldabzug (4) mit vertikal ausgerichtetem, die Kochdunst-Eintrittsöffnung (2) freigebendem Verschlusselement (5) und einer Führungsnut (27);
  • Figur 8 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen, in Figur 7 dargestellten Kochfeldabzug (4) mit horizontal ausgerichtetem, die Kochdunst-Eintrittsöffnung (2) verschließendem Verschlusselement (5) und einer Führungsnut (27);
  • Figur 9 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen Kochfeldabzug (4) mit vertikal ausgerichtetem Verschlusselement (5) und zwei Führungsnuten (27);
  • Figur 10 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen Kochfeldabzug (4) mit horizontal ausgerichtetem Verschlusselement (5) und zwei Führungsnuten (27);
  • Figur 11 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen Kochfeldabzug (4) mit einer bahnförmigen, gekrümmten Nut (27) und einem schwertförmigen Vorsprung (22), wobei das Verschlusselement (5) vertikal ausgerichtet ist;
  • Figur 12 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen Kochfeldabzug (4) mit einer bahnförmigen, gekrümmten Nut (27) und einem schwertförmigen Vorsprung (22), wobei das Verschlusselement (5) horizontal ausgerichtet ist;
  • Figur 13 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen Kochfeldabzug (4) mit einer längslochförmigen, geraden Nut (27) und einem stiftartigen Vorsprung (22), wobei das Verschlusselement (5) - im Querschnitt - die Form eines vollsymmetrischen Tragflächenprofiles aufweist und vertikal ausgerichtet ist;
  • Figur 14 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen Kochfeldabzug (4) mit einer längslochförmigen, geraden Nut (27) und einem stiftartigen Vorsprung (22), wobei das Verschlusselement (5) - im Querschnitt - die Form eines vollsymmetrischen Tragflächenprofiles aufweist und horizontal ausgerichtet ist;
  • Figur 15 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen Kochfeldabzug (4) mit einer längslochförmigen, gekrümmten Nut (27) und einem stiftartigen Vorsprung (22), wobei das Verschlusselement (5) - im Querschnitt - die Form eines gewölbten Tragflächenprofiles aufweist und horizontal ausgerichtet ist;
  • Figur 16 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen Kochfeldabzug (4) mit einer längslochförmigen, gekrümmten Nut (27) und einem stiftartigen Vorsprung (22), wobei das Verschlusselement (5) - im Querschnitt - die Form eines gewölbten Tragflächenprofiles aufweist und vertikal ausgerichtet ist;
  • Figur 17 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen Kochfeldabzug (4) mit einer im Mittenbereich (11) der Kochdunst-Eintrittsöffnung (2) vorgesehenen Vorsprungs- oder Aussparungs-Halterung (29) zum Einstecken des vertikal ausgerichteten Verschlusselementes (5), wobei das Verschlusselement (5) in diese Halterung (29) unter vertikaler Ausrichtung sowie unter Freigabe der Kochdunst-Eintrittsöffnung (2) eingesteckt ist;
  • Figur 18 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen Kochfeldabzug (4) mit einer im Mittenbereich (11) der Kochdunst-Eintrittsöffnung (2) vorgesehenen Vorsprungs- oder Aussparungs-Halterung (29) zum Einstecken des vertikal ausgerichteten Verschlusselementes (5), wobei das Verschlusselement (5) in horizontaler Ausrichtung die Kochdunst-Eintrittsöffnung (2) verschließend auf dem Abdeckrahmen (16) aufgelegt ist;
  • Figur 19 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen Kochfeldabzug (4) mit einem Verschlusselement (5), dessen Drehachse (14) auf Höhe des Abdeckrahmens (16) und im Mittenbereich (11) des Abdeckrahmens (16) liegt, wobei das Verschlusselement (5) unter Freigabe der Kochdunst-Eintrittsöffnung (2) vertikal ausgerichtet ist;
  • Figur 20 einen schematischen Querschnitt entlang der in Figur 1 dargestellten Linie A-A durch einen erfindungsgemäßen Kochfeldabzug (4) mit einem Verschlusselement (5), dessen Drehachse (14) auf Höhe des Abdeckrahmens (16) und im Mittenbereich (11) des Abdeckrahmens (16) liegt, wobei das Verschlusselement (5) unter Verschluss der Kochdunst-Eintrittsöffnung (2) horizontal ausgerichtet ist.
Embodiments of the invention will be described in more detail with reference to the drawings. Show it:
  • FIG. 1 a schematic perspective view obliquely from above of a hob extractor according to the invention (4) closed by a horizontal closure element (5) cooking fume inlet opening (2), wherein in the end face (24) of the cover frame (16) has a first U-shaped groove (19 ) and a second U-shaped groove (21) are provided and wherein at the end faces (26) of the closure element (5) each have a pin-like projection (22) for engaging in the first groove (19) or in the second groove (21) is provided;
  • FIG. 2 a schematic perspective view obliquely from above on the in FIG. 1 illustrated cooktop extractor (4) according to the invention, the closure element (5) is vertically aligned and provided in the central region (11) of the end faces (24) of the cover frame (16);
  • FIG. 3 an enlarged detail of the front side area of in FIG. 2 illustrated hob hob (4) according to the invention with vertically aligned closure element (5);
  • FIG. 4 a schematic cross section along in FIG. 1 represented line AA by an inventive, in the Figures 2 and 3 illustrated cooktop extractor (4) with vertically aligned closure element (5);
  • FIG. 5 a schematic cross section along in FIG. 1 represented line AA by an inventive, in FIG. 1 illustrated cooktop extractor (4) with horizontally aligned closure element (5);
  • FIG. 6 a schematic plan view of an inventive, in the Figures 2 . 3 and 4 illustrated cooktop extractor (4) with vertically aligned closure element (5) and released cooking fume inlet opening (2);
  • FIG. 7 a schematic cross section along in FIG. 1 represented line AA by a hob invention (4) with vertically aligned, the cooking fume inlet opening (2) releasing closure element (5) and a guide groove (27);
  • FIG. 8 a schematic cross section along in FIG. 1 represented line AA by an inventive, in FIG. 7 Cooker hood (4) shown with horizontally aligned, the cooking fume inlet opening (2) closing closure element (5) and a guide groove (27);
  • FIG. 9 a schematic cross section along in FIG. 1 represented line AA by a hob invention (4) with vertically aligned closure element (5) and two guide grooves (27);
  • FIG. 10 a schematic cross section along in FIG. 1 represented line AA by a hob invention (4) with horizontally aligned closure element (5) and two guide grooves (27);
  • FIG. 11 a schematic cross section along in FIG. 1 represented line AA by a cooktop extractor (4) according to the invention with a web-shaped, curved groove (27) and a sword-shaped projection (22), wherein the closure element (5) is vertically aligned;
  • FIG. 12 a schematic cross section along in FIG. 1 represented line AA by a cooktop extractor (4) according to the invention with a web-shaped, curved groove (27) and a sword-shaped projection (22), wherein the closure element (5) is oriented horizontally;
  • FIG. 13 a schematic cross section along in FIG. 1 represented line AA by a cooktop extractor (4) according to the invention with a longitudinal hole-shaped, straight groove (27) and a pin-like projection (22), wherein the closure element (5) - in cross-section - has the shape of a fully symmetrical airfoil profile and is vertically aligned;
  • FIG. 14 a schematic cross section along in FIG. 1 represented line AA by a cooktop extractor (4) according to the invention with a longitudinal hole-shaped, straight groove (27) and a pin-like projection (22), wherein the closure element (5) - in cross-section - has the shape of a fully symmetrical airfoil profile and is oriented horizontally;
  • FIG. 15 a schematic cross section along in FIG. 1 represented line AA by a cooktop extractor (4) according to the invention with a longitudinal hole-shaped, curved groove (27) and a pin-like projection (22), wherein the closure element (5) - in cross-section - has the shape of a curved airfoil profile and is oriented horizontally;
  • FIG. 16 a schematic cross section along in FIG. 1 represented line AA by a cooktop extractor (4) according to the invention with a longitudinally-shaped, curved groove (27) and a pin-like projection (22), wherein the closure element (5) - in cross section - has the shape of a curved airfoil profile and is vertically aligned;
  • FIG. 17 a schematic cross section along in FIG. 1 A line AA shown by a hob extractor according to the invention (4) with a in the central region (11) of the cooking fume inlet opening (2) provided projection or recess holder (29) for inserting the vertically aligned closure element (5), wherein the closure element (5) is inserted in this holder (29) under vertical orientation and releasing the cooking fume inlet opening (2);
  • FIG. 18 a schematic cross section along in FIG. 1 A line AA shown by a hob extractor according to the invention (4) with a in the central region (11) of the cooking fume inlet opening (2) provided projection or recess holder (29) for inserting the vertically aligned closure element (5), wherein the closure element (5) in a horizontal orientation, the cooking-vapor inlet opening (2) is placed on the cover frame (16) in a sealing manner;
  • FIG. 19 a schematic cross section along in FIG. 1 represented line AA by a cooktop extractor (4) according to the invention with a closure element (5) whose axis of rotation (14) at the level of the cover frame (16) and in the central region (11) of the cover (16), wherein the closure element (5) under release the cooking fume inlet opening (2) is vertically aligned;
  • FIG. 20 a schematic cross section along in FIG. 1 represented line AA by a cooktop extractor (4) according to the invention with a closure element (5) whose axis of rotation (14) at the height of the cover frame (16) and in the central region (11) of the cover (16), wherein the closure element (5) under closure the cooking fume inlet opening (2) is aligned horizontally.

Wie den Figuren 1 bis 20 zu entnehmen ist, betrifft die vorliegende Erfindung einen Kochfeldabzug (4) zum Abziehen von Kochdünsten (3) in vertikal nach unten weisender Richtung mit einer Kochdunst-Eintrittsöffnung (2) und einer Vorrichtung (1) zum reversiblen Verschließen und Öffnen der Kochdunst-Eintrittsöffnung (2).Like that FIGS. 1 to 20 it can be seen, the present invention relates to a cooktop extractor (4) for removing cooking fumes (3) in a vertically downward direction with a cooking fume inlet opening (2) and a device (1) for reversibly closing and opening the cooking fume inlet opening ( 2).

In der Regel umfasst die Vorrichtung (1) zum reversiblen Verschließen und Öffnen der Kochdunst-Eintrittsöffnung (2) ein - in der Draufsicht - rechteckiges oder quadratisches und - bei Betrachtung der Querschnittsfläche - plattenförmiges Verschlusselement (5) (siehe Figuren 1 bis 12 und 17 bis 20).In general, the device (1) for reversibly closing and opening the cooking fume inlet opening (2) comprises - in the plan view - rectangular or square and - considering the cross-sectional area - plate-shaped closure element (5) (see FIGS. 1 to 12 and 17 to 20 ).

Alternativ hierzu kann das Verschlusselement (5) - in der Draufsicht - rechteckig oder quadratisch und - bei Betrachtung der Querschnittsfläche - vollsymmetrisch oder einem tragenden oder einem gewölbten Tragflächenprofil entsprechend ausgebildet sein (siehe Figuren 13 bis 16).Alternatively, the closure element (5) - in plan view - rectangular or square and - in view of the cross-sectional area - fully symmetrical or a supporting or a curved wing profile to be designed accordingly (see FIGS. 13 to 16 ).

In bevorzugten Ausführungsformen des erfindungsgemäßen Kochfeldabzuges (4) kann das Verschlusselement (5) zwischen einer horizontalen Ausrichtung - unter Verschluss der Kochdunst-Eintrittsöffnung (2) - und einer vertikalen Ausrichtung - unter Öffnung der Kochdunst-Eintrittsöffnung (2) - reversibel hin- und her-drehbar sein.In preferred embodiments of the cooktop extractor (4) according to the invention, the closure element (5) between a horizontal orientation - under closure of the cooking fume inlet opening (2) - and a vertical orientation - under opening of the cooking fume inlet opening (2) - reversibly back and forth be rotatable.

Diese Hin- und Her-Drehbarkeit des Verschlusselementes (5) kann beispielsweise durch Drehen und/oder Schwenken und/oder Verschieben und/oder Verbringen des Verschlusselementes (5) um seine horizontale, parallel zur Längsachse (13) der Kochdunst-Eintrittsöffnung (2) verlaufende oder mit dieser zusammenfallende Drehachse (14) erfolgen.This back and forth rotation of the closure element (5) can, for example, by turning and / or pivoting and / or moving and / or moving the closure element (5) about its horizontal, parallel to the longitudinal axis (13) of the cooking vapor inlet opening (2). running or coincident with this axis of rotation (14).

Dies hat zur Folge, dass - bei Betrachtung eines Querschnittes des Verschlusselementes (5) - eine Seite des Verschlusselementes (5) in die eine Richtung weist (zum Beispiel nach oben oder nach unten oder nach links oder nach rechts), während die andere Seite des Verschlusselementes (5) in die entgegengesetzte Richtung zeigt.As a result, when viewing a cross-section of the closure element (5), one side of the closure element (5) faces in one direction (for example up or down or to the left or to the right) while the other side of the closure element (5) Closing element (5) in the opposite direction.

In besonders bevorzugten Ausführungsformen des erfindungsgemäßen Kochfeldabzuges (4) kann das Verschlusselement (5) in dem Mitten-Bereich (11) der Breite (7) der Kochdunst-Eintrittsöffnung (2) in vertikaler Ausrichtung reversibel fixierbar sein.In particularly preferred embodiments of the hob extractor according to the invention (4), the closure element (5) in the central region (11) of the width (7) of the cooking vapor inlet opening (2) in the vertical orientation be reversibly fixed.

In diesem Falle kommt es vorzugsweise zu der Erzeugung von zwei laminaren, beidseitig von dem vertikal ausgerichteten Verschlusselement (5) ausgebildeten Kochdunst-Abzugsströmen (3) bereits im Bereich des Abdeckrahmens (16) oder knapp stromabwärts hiervon.In this case, it is preferable to produce two laminar extractor streams (3) formed on both sides of the vertically aligned closure element (5), already in the region of the cover frame (16) or just downstream thereof.

In besonders bevorzugten Ausführungsformen des erfindungsgemäßen Kochfeldabzuges (4) kann das Verschlusselement (5) auch in horizontaler Ausrichtung - die Kochdunst-Eintrittsöffnung (2) versperrend - reversibel fixierbar sein.In particularly preferred embodiments of the cooktop extractor (4) according to the invention, the closure element (5) can also be reversibly fixable in a horizontal orientation - obstructing the cooking-steam inlet opening (2).

Wie insbesondere aus den Figuren 19 und 20 hervorgeht, kann die Drehachse (14) des Verschlusselementes (5) während der reversiblen Drehung des Verschlusselementes (5) von seiner horizontalen in seine vertikale Stellung ortsfest verbleiben.As in particular from the Figures 19 and 20 shows, the axis of rotation (14) of the closure element (5) during the reversible rotation of the closure element (5) from its horizontal to its vertical position remain stationary.

Alternativ hierzu kann die Drehachse (14) des Verschlusselementes (5) während der reversiblen Drehung des Verschlusselementes (5) von seiner horizontalen in seine vertikale Stellung eine vertikale und/oder horizontale, geführte oder nichtgeführte Lageveränderung erfahren.Alternatively, the rotational axis (14) of the closure element (5) during the reversible rotation of the closure element (5) from its horizontal to its vertical position undergo a vertical and / or horizontal, guided or non-guided change in position.

Wie aus den Figuren 1 bis 6 hervorgeht, kann im Falle des erfindungsgemäßen Kochfeldabzuges (4) an der innenliegenden Seite (17) der Stirnseite (24) des Abdeckrahmens (16) eine im Bereich des längsseitigen Randes (12) des Abdeckrahmens (16) befindliche, erste U-förmige Nut (19) und eine im Bereich der Mitte (11) des Abdeckrahmens (16) befindliche, zweite U-förmige Nut (21) vorgesehen sein.Like from the FIGS. 1 to 6 It can be seen in the case of the cooktop extractor (4) according to the invention on the inner side (17) of the end face (24) of the cover frame (16) in the region of the longitudinal edge (12) of the cover (16) located, first U-shaped groove ( 19) and in the region of the center (11) of the cover (16) located, second U-shaped groove (21) may be provided.

An beiden gegenüberliegenden Stirnseiten (26) des Verschlusselementes (5) kann - jeweils in einem längsseitigen Randbereich (12) der Stirnseite (26) - jeweils ein stiftartiger Vorsprung (22) zum Eingreifen in die erste Nut (19) oder in die zweite Nut (21) vorgesehen sein.At both opposite end faces (26) of the closure element (5) can each - in a longitudinal edge region (12) of the end face (26) - each have a pin-like projection (22) for engaging in the first groove (19) or in the second groove ( 21) may be provided.

Bei dieser Ausführungsform kann - in die Kochdunst-Eintrittsöffnung (2) verschließendem Zustand - der randseitige stiftartige Vorsprung (22) des horizontal ausgerichteten Verschlusselementes (5) arretierend in die randseitige erste Nut (19) des Abdeckrahmens (16) reversibel eingreifen.In this embodiment, - the cap-like projection (22) of the horizontally oriented closure element (5) lockingly engage in the edge-side first groove (19) of the cover frame (16) reversibly in the cooking vapor inlet opening (2).

Der dem stiftförmigen Vorsprung (21) gegenüberliegende Randbereich des horizontalen Verschlusselementes (5) liegt dann auf dem diesem benachbarten Längsseiten-Rand (12) des Abdeckrahmens (16) auf.The edge region of the horizontal closure element (5) lying opposite the pin-shaped projection (21) then rests on the adjacent longitudinal side edge (12) of the cover frame (16).

Vorzugsweise kann - nach Drehen des Verschlusselementes (5) um seine Drehachse (14) - in die vertikale und die Kochdunst-Eintrittsöffnung (2) freigebende Stellung und Verbringung der Drehachse (14) nach unten - der randseitige stiftförmige Vorsprung (22) des dann vertikal ausgerichteten Verschlusselementes (5) arretierend in die mittlere, zweite Nut (21) der Stirnseite (24) des Abdeckrahmens (16) reversibel eingreifen.Preferably - after turning the closure element (5) about its axis of rotation (14) - in the vertical and the cooking fume inlet opening (2) releasing position and movement of the rotation axis (14) down - the edge-side pin-shaped Projection (22) of the then vertically oriented closure element (5) lockingly engage in the middle, second groove (21) of the end face (24) of the cover frame (16) reversibly.

Der dem stiftförmigen Vorsprung (22) gegenüberliegende freie Randbereich des Verschlusselementes (5) weist dann in der Regel vertikal nach unten.The free edge region of the closure element (5) lying opposite the pin-shaped projection (22) then generally points vertically downwards.

Die Figuren 7 bis 16 zeigen, dass - in einer ersten Ausführungsalternative - an jeder der beiden Stirnseiten (26) des Verschlusselementes (5) jeweils ein oder mehrere stiftförmige oder bolzenförmige oder schwertförmige Vorsprünge (22) vorgesehen sein können.The FIGS. 7 to 16 show that - in a first alternative embodiment - one or more pin-shaped or bolt-shaped or sword-shaped projections (22) can be provided on each of the two end faces (26) of the closure element (5).

In diesen Fällen können an den beiden innenliegenden Flächen (17) der sich jeweils über die Breite (18) des Abdeckrahmens (16) erstreckenden Stirnseiten (24) des Abdeckrahmens (16) jeweils eine oder mehrere gerade oder gekrümmte, bahnförmige Nuten (27) zum Eingriff und zur Führung der Vorsprünge (22) des Verschlusselementes (5) vorgesehen sein.In these cases, one or more straight or curved, web-shaped grooves (27) for each of the width (18) of the cover frame (16) extending end faces (24) of the cover frame (16) on the two inner surfaces (17) Engagement and to guide the projections (22) of the closure element (5) may be provided.

Während des Führungs-Weges der Vorsprünge (22) in den bahnförmigen Nuten (27) kann es zu einer Drehung des Verschlusselementes (5) um seine Drehachse (14) kommen.During the guide path of the projections (22) in the web-shaped grooves (27), there may be a rotation of the closure element (5) about its axis of rotation (14).

Während des Führungs-Weges der Vorsprünge (22) in den bahnförmigen Nuten (27) kann es darüber hinaus zu einer horizontalen und/oder vertikalen Lageveränderung der Drehachse (14) des Verschlusselementes (5) kommen.During the guide path of the projections (22) in the web-shaped grooves (27) can also lead to a horizontal and / or vertical position change of the axis of rotation (14) of the closure element (5).

In der Regel sind die Abmessungen und die Formen der bahnförmigen Nuten (27) beispielsweise derart beschaffen, dass bei einer horizontalen Ausrichtung des Verschlusselementes (5) dieses die Kochdunst-Eintrittsöffnung (2) verschließt.In general, the dimensions and the shapes of the web-shaped grooves (27), for example, such that when a horizontal orientation of the closure element (5) this closes the cooking fume inlet opening (2).

In der Regel sind die Abmessungen und die Formen der bahnförmigen Nuten (27) ferner beispielsweise derart beschaffen, dass bei einer vertikalen Ausrichtung des Verschlusselementes (5) dieses die Kochdunst-Eintrittsöffnung (2) zumindest teilweise freigibt.In general, the dimensions and the shapes of the web-shaped grooves (27) are further, for example, such that when a vertical orientation of the closure element (5) this at least partially releases the cooking vapor inlet opening (2).

In einer zweiten, weiteren Ausführungsalternative des erfindungsgemäßen Kochfeldabzuges (4) können der eine oder die mehreren stiftförmigen oder bolzenförmigen oder schwertförmigen Vorsprünge (22) an den innenliegenden Flächen (17) der Stirnseiten (24) des Abdeckrahmens (16) vorgesehen sein.In a second, further alternative embodiment of the cooktop extractor (4) according to the invention, the one or more pin-shaped or bolt-shaped or sword-shaped projections (22) on the inner surfaces (17) of the end faces (24) of the cover frame (16) may be provided.

Im Falle dieser zweiten Ausführungsalternative des erfindungsgemäßen Kochfeldabzuges (4) können die eine oder die mehreren geraden oder gekrümmten, bahnförmigen Nuten (27) zur Führung der Vorsprünge (22) - unter Drehung des Verschlusselementes (5) um seine Drehachse (14) sowie unter horizontaler und/oder vertikaler Lageveränderung der Drehachse (14) des Verschlusselementes (5) - an den Stirnseiten (26) des Verschlusselementes (5) vorgesehen sein.In the case of this second alternative embodiment of the cooktop extractor (4) according to the invention, the one or more straight or curved, web-like grooves (27) for guiding the projections (22) - with rotation of the closure element (5) about its axis of rotation (14) and under horizontal and / or vertical change in position of the axis of rotation (14) of the closure element (5) - be provided on the end faces (26) of the closure element (5).

In der Regel entsprechen sowohl in der ersten als auch in der zweiten Ausführungsalternative die Form und der Verlauf der bahnförmigen Nut (27) der Form und dem Verlauf derjenigen Fläche, welche die stiftförmigen oder bolzenförmigen oder schwertförmigen Vorsprünge (22) während der Verbringung des Verschlusselementes (5) von der horizontalen Kochdunst-Eintrittsöffnungs-Verschluss-Stellung in die vertikale Kochdunst-Eintrittsöffnungs-Freigabe-Stellung und/oder während der horizontalen oder vertikalen Lageveränderung der Drehachse (14) des Verschlusselementes (14) überstreichen.In general, both in the first and in the second alternative embodiment, the shape and the course of the web-shaped groove (27) of the shape and the course of that surface which the pin-shaped or bolt-shaped or sword-shaped projections (22) during the movement of the closure element ( 5) from the horizontal cooking fume inlet closure position to the vertical cooking fume inlet opening release position and / or during horizontal or vertical displacement of the axis of rotation (14) of the closure element (14).

Insbesondere aus den Figuren 7 und 8 geht hervor, dass im Falle des erfindungsgemäßen Kochfeldabzuges (4) die bahnförmigen Nuten (27) in dem Mitten-Bereich (11) des Abdeckrahmens (16) und in Form von geraden, schräg ausgerichteten Längslöchern ausgebildet sein können.In particular from the FIGS. 7 and 8th shows that in the case of the cooktop extractor (4) according to the invention, the web-shaped grooves (27) in the central region (11) of the cover frame (16) and in the form of straight, obliquely oriented longitudinal holes can be formed.

Die stiftförmigen Vorsprünge (22) können dann beispielsweise im Mittenbereich (11) der Querschnittsfläche des Verschlusselementes (5) an den Stirnseiten (26) des rechteckigen, plattenförmigen Verschlusselementes (5) ausgebildet sein.The pin-shaped projections (22) can then be formed, for example, in the middle region (11) of the cross-sectional surface of the closure element (5) on the end faces (26) of the rectangular, plate-shaped closure element (5).

Die Form, der Verlauf und die Anordnung der Nuten (27) können derart gestaltet sein, dass das Verschlusselement (5) in seiner horizontalen Verschluss-Stellung auf den längsseitigen Rändern (12) des Abdeckrahmens (16) beidseitig aufliegt.The shape, the course and the arrangement of the grooves (27) can be designed such that the closure element (5) rests in its horizontal closure position on the longitudinal edges (12) of the cover frame (16) on both sides.

Die Form, der Verlauf und die Anordnung der Nuten (27) können ferner derart gestaltet sein, dass das Verschlusselement (5) durch Verschieben zumindest so weit anhebbar ist, dass es dann um seine mittige Drehachse (14) in eine vertikale Kochdunst-Eintrittsöffnungs-Freigabe-Stellung drehbar ist.The shape, the course and the arrangement of the grooves (27) can also be designed such that the closure element (5) is at least as far liftable by displacement that it then around its central axis of rotation (14) in a vertical cooking fume inlet opening Release position is rotatable.

Aus den Figuren 9 und 10 geht hervor, dass im Falle des erfindungsgemäßen Kochfeldabzuges (4) an den Innenseiten (17) der beiden Stirnseiten (24) des Abdeckrahmens (16) jeweils eine obenliegende, horizontal ausgerichtete, im wesentlichen gerade erste Nut (27) vorgesehen sein kann.From the Figures 9 and 10 shows that in the case of the cooktop extractor (4) according to the invention on the inner sides (17) of the two end faces (24) of the cover frame (16) each have an overhead, horizontally oriented, substantially straight first groove (27) can be provided.

Dann kann seitlich hiervon und tieferliegend, eine im wesentlichen vertikal oder schräg ausgerichtete, kreisbogensegmentförmige zweite Nut (27) vorgesehen sein.Then, laterally thereof and lower lying, a substantially vertically or obliquely oriented, circular arc segment-shaped second groove (27) may be provided.

In diesem Falle können an den Randbereichen der Stirnseiten (26) des rechteckigen, plattenförmigen Verschlusselementes (5) zwei voneinander beabstandete stiftförmige Vorsprünge (22) zum Eingriff in die Nuten (27) vorgesehen sein.In this case, two spaced-apart pin-shaped projections (22) for engagement in the grooves (27) may be provided at the edge regions of the end faces (26) of the rectangular, plate-shaped closure element (5).

Vorzugsweise tragen die Enden der Nuten (27) jeweils eine L-förmige Abwinkelung (28) zum Einrasten und Arretieren der Vorsprünge (22) des Verschlusselementes (5) in der horizontalen und vertikalen Anschlagstellung des Verschlusselementes (5).Preferably, the ends of the grooves (27) each have an L-shaped angled portion (28) for locking and locking the projections (22) of the closure element (5) in the horizontal and vertical stop position of the closure element (5).

Wie den Figuren 11 und 12 zu entnehmen ist, kann im Falle des erfindungsgemäßen Kochfeldabzuges (4) die bahnförmige Nut (27) an der Innenseite (17) der Stirnseite (24) des Abdeckrahmens (16) in Form eines sich horizontal erstreckenden, beidseitig nach unten gekrümmten Schlitzes ausgebildet sein.Like that Figures 11 and 12 it can be seen, in the case of the cooktop extractor (4) according to the invention, the web-shaped groove (27) on the inside (17) of the end face (24) of the cover frame (16) in the form of a horizontally extending, both sides curved downward slot.

Dann kann ein schwertförmiger Vorsprung (22) in einem seitlichen Randbereich der Querschnittsfläche des rechteckigen, plattenförmigen Verschlusselementes (5) an der Stirnseite (26) des Verschlusselementes (5) ausgebildet sein.Then, a sword-shaped projection (22) in a lateral edge region of the cross-sectional area of the rectangular, plate-shaped closure element (5) on the end face (26) of the closure element (5) may be formed.

Aus den Figuren 13 und 14 geht hervor, dass bei dem erfindungsgemäßen Kochfeldabzug (4) die bahnförmige Nut (27) an der Stirnseite (26) des Verschlusselementes (5) eines - bei Betrachtung der Querschnittsfläche des Verschlusselementes (5) - in der Form eines vollsymmetrischen Profiles gestalteten Verschlusselementes (5) in der Form eines sich von der Profil-Mitte bis zur Profil-Nase erstreckenden geraden Schlitzes ausgebildet sein kann.From the Figures 13 and 14 shows that in the cooktop extractor (4) according to the invention the web-shaped groove (27) on the end face (26) of the closure element (5) of a - in view of the cross-sectional area of the closure element (5) - in the form of a fully symmetrical profile designed closure element (5 ) may be formed in the shape of a straight slot extending from the profile center to the profile nose.

In dem obenliegenden Mitten-Bereich (11) der Innenseite (17) der Stirnseite (24) des Abdeckrahmens (16) kann dann ein stiftförmiger Vorsprung (22) für den Eingriff in die Nut (27) vorgesehen sein.In the overhead center region (11) of the inner side (17) of the end face (24) of the cover frame (16) may then be provided a pin-shaped projection (22) for engagement in the groove (27).

Die Figuren 15 und 16 zeigen, dass bei dem erfindungsgemäßen Kochfeldabzug (4) das Verschlusselement (5) zur laminaren Umlenkung der abgesaugten Kochdünste (3) in Richtung des seitlich oder rückwärtig abführenden Abluftkanales (20) in Form eines gewölbten Tragflächenprofiles ausgebildet sein kann.The FIGS. 15 and 16 show that in the cooktop extractor (4) according to the invention, the closure element (5) for laminar deflection of the extracted cooking fumes (3) in the direction of the laterally or rearwardly discharging exhaust duct (20) may be formed in the form of a curved wing profile.

Die bahnförmige Nut (27) an der Stirnseite (26) des Verschlusselementes (5) kann sich dann ausgehend vom Nasenbereich bis über den Mittenbereich des Profiles in gekrümmter Form erstrecken.The web-shaped groove (27) on the end face (26) of the closure element (5) can then extend in a curved shape, starting from the nose region over the middle region of the profile.

Bei dieser Ausführungsform kann im obenliegenden Mitten-Bereich (11) der Innenseite (17) der Stirnseite (24) des Abdeckrahmens (16) ein stiftförmiger Vorsprung (22) für den Eingriff in die bahnförmige Nut (27) vorgesehen sein.In this embodiment, in the overhead center portion (11) of the inner side (17) of the end face (24) of the cover frame (16), a pin-shaped projection (22) for engaging the sheet-shaped groove (27) may be provided.

Aus den Figuren 17 und 18 geht hervor, dass bei dem erfindungsgemäßen Kochfeldabzug (4) vertikal unterhalb der Ebene der Kochfelder (9) in dem Mittenbereich (11) der Breite (7) der Kochdunst-Eintrittsöffnung (2) an der Wand des Abluftkanales (20) oder an der hierzu korrespondierenden Stirnseite (24) des Abdeckrahmens (16) eine im Querschnitt U-förmige Vorsprungs- oder Aussparungs-Halterung (29) zum Einstecken des vertikal ausgerichteten Verschlusselementes (5) von oben vorgesehen sein kann.From the Figures 17 and 18 shows that in the inventive cooktop extractor (4) vertically below the plane of the cooktops (9) in the central region (11) of the width (7) of the cooking fume inlet opening (2) on the wall of the exhaust duct (20) or at this Corresponding end face (24) of the cover frame (16) may be provided in cross-section U-shaped projection or recess holder (29) for insertion of the vertically oriented closure element (5) from above.

In der Regel ist dann das Verschlusselement (5) plattenförmig und rechteckig oder quadratisch ausgebildet und kann in horizontaler Ausrichtung die Kochdunst-Eintrittsöffnung (2) verschließen.In general, then, the closure element (5) is plate-shaped and rectangular or square and can close the cooking fume inlet opening (2) in a horizontal orientation.

Den Figuren 19 und 20 ist zu entnehmen, dass bei dem erfindungsgemäßen Kochfeldabzug (4) das Verschlusselement (5) in Form einer rechteckigen oder quadratischen Platte ausgebildet sein kann.The Figures 19 and 20 It can be seen that in the cooktop extractor (4) according to the invention, the closure element (5) can be designed in the form of a rectangular or square plate.

Vorzugsweise kann dann das Verschlusselement (5) um seine Drehachse (14) zwischen einer horizontalen und einer vertikalen Ausrichtung reversibel drehbar mit dem Mitten-Bereich (11) des Abdeckrahmens (16) in Verbindung stehen.Preferably, then, the closure element (5) about its axis of rotation (14) between a horizontal and a vertical orientation reversibly rotatable with the central region (11) of the cover frame (16) are in communication.

In der Regel verläuft die Drehachse (14) in diesem Falle horizontal durch den Mittenbereich der Breite (8) des Verschlusselementes (5).As a rule, the axis of rotation (14) in this case runs horizontally through the middle region of the width (8) of the closure element (5).

Auch in dieser Ausführungsform kann das Verschlusselement (5) in horizontaler Ausrichtung die Kochdunst-Eintrittsöffnung (2) verschließen.Also in this embodiment, the closure element (5) in a horizontal orientation, the cooking fume inlet opening (2) close.

Vorzugsweise gibt das Verschlusselement (5) in vertikaler Ausrichtung die Kochdunst-Eintrittsöffnung (2) frei.The closure element (5) preferably releases the cooking-steam inlet opening (2) in a vertical orientation.

Im Falle dieser Ausführungsform kann die Drehachse (14) während der Drehung des Verschlusselementes (5) von seiner horizontalen Stellung in seine vertikale Stellung - unter Ausschluss einer vertikalen Verschiebung - ortsfest auf Höhe des Abdeckrahmens (16) verbleiben.In the case of this embodiment, the rotation axis (14) during the rotation of the closure element (5) from its horizontal position to its vertical position - excluding vertical displacement - remain stationary at the level of the cover frame (16).

Zusammenfassend ist festzustellen, dass im Rahmen der vorliegenden Erfindung ein Kochfeldabzug (4) zum Abziehen von Kochdünsten (3) in vertikal nach unten weisender Richtung mit einer Kochdunst-Eintrittsöffnung (2) und mit einer Vorrichtung (1) zum reversiblen Verschließen und Öffnen der Kochdunst-Eintrittsöffnung (2) bereitgestellt wird, welcher das Problem von Turbulenzen innerhalb des angesaugten Kochdunst-Stromes selbst auf Höhe der Kochdunst-Eintrittsöffnung oder knapp stromabwärts hiervon nicht kennt.In summary, it should be noted that in the context of the present invention, a cooktop extractor (4) for removing cooking fumes (3) in a vertically downward direction with a cooking fume inlet opening (2) and with a device (1) for reversibly closing and opening the cooking fume Inlet opening (2) is provided, which does not know the problem of turbulence within the sucked cooking vapor stream even at the level of cooking fume inlet or just downstream thereof.

Denn im Falle des erfindungsgemäßen Kochfeldabzuges (4) bewirkt das in vertikaler Ausrichtung in der Mitte (11) des nach unten abgesaugten Kochdunst-Strom vorgesehene Kochdunst-Eintrittsöffnungs-Verschlusselement (5) eine Aufspaltung des einen turbulent verwirbelten Hauptstromes in zwei kleinere Kochdunst-Ströme, wobei jeder dieser beiden kleineren Kochdunst-Ströme - auch aufgrund der jeweiligen Führung und Ausrichtung durch das mittige, vertikale Verschlusselement (5) - bereits auf Höhe des Abdeckrahmens (16) oder knapp stromabwärts hiervon laminar strömt.Because in the case of the cooktop extractor (4) according to the invention causes the vertical in alignment in the middle (11) of the extracted downward cooking steam stream cooking fume inlet opening closure element (5) splitting the one turbulent entangled main stream into two smaller cooking fumes streams, wherein each of these two smaller cooking vapor streams - also due to the respective guidance and orientation through the central, vertical closure element (5) - laminar flows already at the level of the cover frame (16) or just downstream thereof.

Dieses durchgängig laminare Strömungsverhalten des mittels des erfindungsgemäßen Kochfeldabzuges abgesaugten Kochdunst-Stromes führt zu dem Vorteil, dass erstmalig der Einsatz besonders kleiner, leiser und kostengünstiger sowie wenig elektrische Energie verbrauchender Lüftermotoren möglich ist.This continuous laminar flow behavior of extracted by means of the cooktop extractor cooking cooking stream according to the invention leads to the advantage that for the first time the use of particularly small, quiet and cost-effective and little electric energy consuming fan motors is possible.

In der Regel weist das Verschlusselement (5) des erfindungsgemäßen Kochfeldabzuges (4) für seine Bewegung eine Griffleiste, eine Lasche oder einen Vorsprung auf.In general, the closure element (5) of the cooktop extractor (4) according to the invention for its movement on a handle bar, a tab or a projection.

Der erfindungsgemäße Kochfeldabzug (4) kennt somit das Problem des Aufsteigens von Geruchsstoffen durch Eingriffsöffnungen der Abdeckung der Kochdunst-Eintrittsöffnung (2) vorteilhafter Weise nicht.The cooktop extractor (4) according to the invention thus does not know the problem of the rising of odors by means of engagement openings of the cover of the cooking-steam inlet opening (2).

Ein weiterer Vorteil des erfindungsgemäßen Kochfeldabzuges (4) besteht darin, dass auch bei aktivem Abzug eine flächenmäßig uneingeschränkte Benutzung der meist knapp bemessenen Fläche der Arbeitsplatte möglich ist, wobei insbesondere ein platzraubendes Belegen der Arbeitsplatte durch einen Kochdunst-Eintrittsöffnungs-Verschluss nicht mehr erforderlich ist.Another advantage of the cooktop extractor (4) according to the invention is that even with active deduction an area unrestricted use of most scarce area of the worktop is possible, in particular a space-consuming occupy the worktop by a cooking fume inlet opening closure is no longer required.

Der erfindungsgemäße Kochfeldabzug (4) ist auch deswegen vorteilhaft, weil eine Verletzungsgefahr und eine Gefahr der Beschädigung des Bodenbelages und/oder einer deckelförmigen Einrichtung zum Verschließen der Kochdunst-Eintrittsöffnung durch ein Herunterfallen der Vorrichtung zum Verschließen und Öffnen der Kochdunst-Eintrittsöffnung ausgeschlossen sind.The cooktop extractor (4) according to the invention is also advantageous because a risk of injury and a risk of damage to the floor covering and / or a lid-shaped device for closing the cooking fume inlet opening are excluded by dropping the device for closing and opening the cooking fume inlet opening.

Weiterhin ist der erfindungsgemäße Kochfeldabzug (4) vorteilhaft, weil er - bei mit der Kochfeldebene bündiger Ausgestaltung - das Problem des Hängenbleibens von Kochgeschirr - während dessen Verschiebung auf dem Kochfeld - an über das Kochfeld nach oben aufragenden Bestandteilen des Kochfeldabzuges, insbesondere an der Vorrichtung zum Öffnen und Verschließen der Kochdunst-Eintrittsöffnung, dann nicht kennt.Furthermore, the cooktop extractor (4) according to the invention is advantageous because - with the cooking surface flush design - the problem of sticking of cookware - during its displacement on the hob - on above the hob upstanding components of cooktop extractor, especially on the device for Opening and closing the cooking fume inlet opening, then does not know.

Claims (10)

  1. Hob extractor (4) for extracting cooking vapors (3) in a vertically downward direction, comprising
    1.1. a cooking vapor inlet opening (2) and
    1.2. a device (1) for closing and opening the cooking vapor inlet opening (2),
    1.3. wherein the device (1) for closing and opening the cooking vapor inlet opening (2) comprises a -from the top view - rectangular or square and - viewing the cross-sectional area - plate-shaped closure element (5) or a closure element corresponding to a fully symmetrical or a curved bearing surface profile, the closure element being rotatable back and forth between a horizontal orientation - when the cooking vapor inlet opening (2) is closed - and a vertical orientation - when the cooking vapor inlet opening (2) is open - by rotating and/or pivoting and/or shifting and/or displacing around its horizontal axis of rotation (14) running in parallel to the longitudinal axis (13) of the cooking vapor inlet opening (2) or coinciding with same,
    1.4. wherein the closure element (5) is reversibly fixable in a central region (11) of a with (7) of the cooking vapor inlet opening (2) in vertical orientation,
    1.5. wherein the closure element (5) is also reversibly fixable in horizontal orientation - blocking the cooking vapor inlet opening (2) - and
    1.6. wherein the axis of rotation (14) of the closure element (5), during the rotation of the closure element (5) from its horizontal into its vertical position, is subject to a dislocation.
  2. Hob extractor (4) according to claim 1, characterized by a projection or slot support (29), having a U shape in cross section, for inserting the vertically oriented closure element (5) from above.
  3. Hob extractor (4) according to claim 2, characterized in that the support (29) is arranged in the central region (11) of the width (7) of the cooking vapor inlet opening (2) vertically below a hob level.
  4. Hob extractor (4) for extracting cooking vapors (3) in a vertically downward direction comprising a cooking vapor inlet opening (2) a device (1) for closing and opening the cooking vapor inlet opening (2) according to claim 1, characterized in that on the inside (17) of the front side (24) of the cover frame (16), a first U-shaped groove (19) located in the region of the longitudinal side edge (12) of the cover frame (16) and a second U-shaped groove (21) located in the region of the center (11) of the cover frame (16) are provided, wherein on the two opposite front sides (26) of the closure element (5) - respectively in a longitudinal side edge region of the front side (26) - one pin-like projection (22) each is provided to mesh with the first groove (19) or with the second groove (21) such that - in a state of the closure element (5) closing the cooking vapor inlet opening (2) - the pin-like projection (22) on the side of the edge of the horizontally oriented closure element (5) lockingly meshes with the first groove (19) on the side of the edge of the cover frame (16), whereas the edge region opposing the pin-shaped projection (22) of the horizontal closure element (5) rests on the then adjacent longitudinal side edge (12) of the cover frame (16), and wherein - after rotating the closure element (5) around its axis of rotation (14) - into the vertical position releasing the cooking vapor inlet opening (2) and displacing the axis of rotation (14) downwards - the pin-shaped projection (22) on the side of the edge of the then vertically oriented closure element (5) lockingly meshes with the central, second groove (21) of the front side (24) of a cover frame (16), whereas the free edge region of the closure element (5), opposite to the pin-shaped projection (22), points vertically downwards.
  5. Hob extractor (4) for extracting cooking vapors (3) in a vertically downward direction comprising a cooking vapor inlet opening (2) and a device (1) for closing and opening the cooking vapor inlet opening (2) according to claim 1, characterized in that - in a first embodiment alternative - on each of the two front sides (26) of the closure element (5), respectively, one or several pin-shaped or bolt-shaped or sword-shaped projections (22) and on the two inside surfaces (17) of the front sides (24) of the cover frame (16), each extending across the width (18) of the cover frame (16), respectively, one or several straight or curved, web-shaped grooves (27) are provided for meshing with and guiding the projections (22) of the closure element (5) while rotating the closure element (5) around its axis of rotation (14) and while changing the position of the axis of rotation (14) of the closure element (5) horizontally and/or vertically, wherein the dimensions and the shapes of the web-shaped grooves (27) are configured such that in case of a horizontal orientation of the closure element (5), same closes the cooking vapor inlet opening (2) and in case of a vertical orientation of the closure element (5), same at least partially releases the cooking vapor inlet opening (2) or that - in a second embodiment alternative - the one or several pin-shaped or bolt-shaped or sword-shaped projections (22) are provided on the inside surfaces (17) of the front sides (24) of the cover frame (16) and the one or several straight or curved, web-shaped grooves (27) for guiding the projections (22) - while rotating the closure element (5) around its axis of rotation (14) and while displacing the axis of rotation (14) of the closure element (5) horizontally and/or vertically - are provided on the front sides (26) of the closure element (5), wherein both in the first and in the second embodiment alternative, the shape and the course of the web-shaped groove (27) correspond to the shape and the course of the very surface passing over the pin-shaped or bolt-shaped or sword-shaped projections (22) during the displacement of the closure element (5) from the horizontal cooking vapor inlet opening closure position into the vertical cooking vapor inlet opening release position and/or during the horizontal or vertical dislocation of the axis of rotation (14) of the closure element (5).
  6. Hob extractor (4) for extracting cooking vapors (3) in a vertically downward direction comprising a cooking vapor inlet opening (2) and a device (1) for closing and opening the cooking vapor inlet opening (2) according to claim 5, characterized in that the web-shaped grooves (27) are configured in the central region (11) of the cover frame (16) and in the form of straight, transversely oriented oblong holes, whereas the pin-shaped projections (22) are configured in the central region (11) of the cross-sectional area of the closure element (5), on the front sides (26) of the rectangular, plate-shaped closure element (5), wherein the shape, the course and the arrangement of the grooves (27) are configured such that the closure element (5) in its horizontal closure position rests on both sides of the longitudinal side edges (12) of the cover frame (16) and can be lifted by means of shifting at least as much as to be rotatable around its central axis of rotation (14) into a vertical cooking vapor inlet opening release position.
  7. Hob extractor (4) for extracting cooking vapors (3) in a vertically downward direction comprising a cooking vapor inlet opening (2) and a device (1) for closing and opening the cooking vapor inlet opening (2) according to claim 5, characterized in that on the insides (17) of the two front sides (24) of the cover frame (16), respectively, an upper, horizontally oriented, essentially straight first groove (27) and laterally thereof and lower, an essentially vertically or transversely oriented, circular-arc-segment-shaped second groove (27) are provided, whereas in the edge regions of the front sides (26) of the rectangular, plate-shaped closure element (5), two pin-shaped projections (22), spaced from one another, are provided for meshing with the grooves (27), wherein the ends of the grooves (27) each have an L-shaped angled portion (28) for latching and locking the projections (22) of the closure element (5) in the horizontal and vertical stop position of the closure element (5).
  8. Hob extractor (4) for extracting cooking vapors (3) in a vertically downward direction comprising a cooking vapor inlet opening (2) and a device (1) for closing and opening the cooking vapor inlet opening (2) according to claim 5, characterized in that the web-shaped groove (27) is configured on the inside (17) of the front side (24) of the cover frame (16) in the form of a horizontally extending slot curved downwards on both sides, whereas a sword-shaped projection (22) is configured in a lateral edge region of the cross-sectional area of the rectangular, plate-shaped closure element (5), on the front side (26) of the closure element (5).
  9. Hob extractor (4) for extracting cooking vapors (3) in a vertically downward direction comprising a cooking vapor inlet opening (2) and a device (1) for closing and opening the cooking vapor inlet opening (2) according to claim 5, characterized in that the web-shaped groove (27) is configured on the front side (26) of the closure element (5) of a - viewing the cross-sectional area of the closure element (5) - closure element (5) configured in the form of a fully symmetrical profile, in the form of a straight slot extending from the center of the profile to the leading edge of the profile, whereas in the upper central region (11) of the inside (17) of the front side (24) of the cover frame (16), a pin-shaped projection (22) is provided for meshing with the groove (27).
  10. Hob extractor (4) for extracting cooking vapors (3) in a vertically downward direction comprising a cooking vapor inlet opening (2) and a device (1) for closing and opening the cooking vapor inlet opening (2) according to claim 5, characterized in that the closure element (5), for the laminar deflection of the extracted cooking vapors (3) in the direction of a laterally or rearwardly dissipating air outlet duct (20), is configured in the form of a curved bearing surface profile, wherein the web-shaped groove (27) extends on the front side (26) of the closure element (5), starting from the leading edge region to the central region of the profile, in a curved manner, whereas in the upper central region (11) of the inside (17) of the front side (24) of the cover frame (16), a pin-shaped projection (22) is provided for meshing with the web-shaped groove (27).
EP13708658.3A 2012-02-25 2013-02-21 Hob extractor with a closure element which can be oriented horizontally and centrally vertically Active EP2817569B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13708658T PL2817569T3 (en) 2012-02-25 2013-02-21 Hob extractor with a closure element which can be oriented horizontally and centrally vertically

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202012001839U DE202012001839U1 (en) 2012-02-25 2012-02-25 Cooktop extractor with horizontal and center-vertically alignable closing element
PCT/DE2013/000090 WO2013123928A2 (en) 2012-02-25 2013-02-21 Hob extractor with a closure element which can be oriented horizontally and centrally vertically

Publications (2)

Publication Number Publication Date
EP2817569A2 EP2817569A2 (en) 2014-12-31
EP2817569B1 true EP2817569B1 (en) 2019-10-09

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EP (1) EP2817569B1 (en)
DE (2) DE202012001839U1 (en)
ES (1) ES2761929T3 (en)
PL (1) PL2817569T3 (en)
WO (1) WO2013123928A2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012206255A1 (en) * 2012-04-17 2013-10-17 BSH Bosch und Siemens Hausgeräte GmbH Vapor extraction device, in particular trough ventilation device
BE1021767B1 (en) * 2012-10-12 2016-01-15 BSH Hausgeräte GmbH DUNTSTABZUGSVORRICHTUNG, ESPECIALLY MULDEN VENTILATION DEVICE
WO2017029128A1 (en) * 2015-08-19 2017-02-23 BSH Hausgeräte GmbH Combined device with cooking surface and fume extractor
DE102015119322A1 (en) * 2015-11-10 2017-05-11 Miele & Cie. Kg Device for extracting cooking fumes
DE102016211207A1 (en) 2016-06-22 2017-12-28 Wilhelm Bruckbauer Device for extracting cooking fumes
DE102016117791A1 (en) * 2016-09-21 2018-03-22 Miele & Cie. Kg Covering device for a tray ventilator and tray ventilator inlet unit with a cover device
IT201700066244A1 (en) * 2017-06-14 2018-12-14 Concept Swiss Ag Kitchen Systems COOKTOP INCLUDING A OPENING / CLOSING MECHANISM OF A SMOKE INTAKE MOUTH
EP4390236A1 (en) * 2022-12-22 2024-06-26 Electrolux Appliances Aktiebolag Extraction device

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US3756217A (en) * 1971-11-23 1973-09-04 Jenn Air Corp Damper for ventilating air flow control for indoor open-air cooking device
DE3601460A1 (en) * 1986-01-20 1987-07-23 Gaggenau Werke DEVICE FOR THE EXTRACTION OF WASTS FROM KITCHEN EQUIPMENT
DE102007002241B4 (en) * 2007-01-10 2021-11-18 Wilhelm Bruckbauer Device for the extraction of cooking vapors
DE102009025038B4 (en) * 2009-06-10 2020-07-16 Wilhelm Bruckbauer Cooking fume inlet device with removable lid-shaped closing device

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Publication number Publication date
WO2013123928A2 (en) 2013-08-29
DE112013001149A5 (en) 2014-10-30
EP2817569A2 (en) 2014-12-31
ES2761929T3 (en) 2020-05-21
WO2013123928A3 (en) 2013-10-10
DE202012001839U1 (en) 2012-04-03
PL2817569T3 (en) 2020-05-18

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