EP2416072A1 - Oven - Google Patents

Oven Download PDF

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Publication number
EP2416072A1
EP2416072A1 EP11174503A EP11174503A EP2416072A1 EP 2416072 A1 EP2416072 A1 EP 2416072A1 EP 11174503 A EP11174503 A EP 11174503A EP 11174503 A EP11174503 A EP 11174503A EP 2416072 A1 EP2416072 A1 EP 2416072A1
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EP
European Patent Office
Prior art keywords
cover element
oven
baking oven
door
oven according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11174503A
Other languages
German (de)
French (fr)
Other versions
EP2416072B1 (en
Inventor
Hans Lappat
Jörg ROSENBAUER
Rainer Schwoshuber
Stefan Sojer
Christine Thaller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL11174503T priority Critical patent/PL2416072T3/en
Publication of EP2416072A1 publication Critical patent/EP2416072A1/en
Application granted granted Critical
Publication of EP2416072B1 publication Critical patent/EP2416072B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/006—Arrangements for circulation of cooling air
    • 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
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/04—Doors specially adapted for stoves or ranges with transparent panels
    • 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
    • F24C15/2007—Removing cooking fumes from oven cavities

Definitions

  • the invention relates to an oven with a closable by an oven door cooking chamber and with a particular above the preferably designed as a glass plate front surface of the oven door and / or other front surfaces existing flow channel for the forced discharge of heated operating air from the oven.
  • a well-known oven ( DE 102006042173 A1 ) is equipped with an oven door, which is delimited by an inner disc and by an outer disc and has a flow channel which is bounded at the top by a cover having an inclined leg, in which at least one discharge opening is provided which in a horizontal flow channel for the exhaust air from a switch room of the oven opens.
  • the discharged from a horizontal flow channel and from the interior of the oven door to the outside, especially in self-cleaning operation strongly heated operating air, for. with a temperature of about 120 ° C can in such a front-side discharge system, the upper edge of the door front surface, for. in the form of a glass plate and so heat exchange with impermissibly high surface temperature, in particular at the e.g. effect glassy upper front surface of the oven door and this in particular at operating temperatures of 400 ° C in pyrolytic self-cleaning ovens.
  • Object of the present invention is to prevent by simple design means an unacceptably high temperature on the front, in particular the door front of the oven and / or contamination.
  • this provides direct flow contact between the potentially highly heated and / or polluted operating air and the adjacent respective end of the front surface, e.g. prevented the glass plate of the oven door, so that in particular an intense heat exchange and an unacceptably high heating of the same can not take place.
  • This applies in particular to the said door front surface made of vitreous or metallic material, but also to other front surfaces immediately adjacent to the flow channel, e.g. in the form of a glass-like front panel in front of the display and operating unit of the oven.
  • the present invention provided Strömungsleitiata may be provided as part of the oven door and / or the stationary oven housing, if they are only able to prevent direct contact between the heated, flowing to the outside operating air and the adjacent respective front surface.
  • the boundary edge of the oven door has a cover element which has at least one outflow opening assigned to flow channels within the oven door which faces a preferably horizontal flow channel above the oven door and forms or has flow guide elements.
  • the cover element with its flow guide elements preferably consists wholly or partially of a heat poorly conductive plastic, so that even over this cover element and its flow guide no significant heat exchange between this cover element and its flow guide and the front surfaces of the oven can take place.
  • the cover element engages over the front surface of the oven door, preferably engages around with a vertical flange.
  • all devices arranged in the flow path are suitable as flow guide elements according to the invention, which prevent direct contact between the heated operating air and the respective front surface, for example in the form of the respective front surface overlapping or excessively abutting the flow guide elements or else in the form of flow separation edges in the course of the flow path, which is a targeted Flow line even without drawn up to the front surface flow channel walls allow.
  • the cover element may consist of at least two parts of different material, preferably of plastic and metal.
  • a component of the cover element having the outflow opening can consist of a metallic material which is preferably coated with plastic.
  • the part of the cover element directly or adjoining the heated exhaust air from the oven door has a high thermal dimensional stability and is therefore more expensive, e.g. Siemensiger shaping cost-saving than metal part to produce.
  • a flow guide fastened to the housing of the oven and in the course of the flow channel covers the boundary edge of the oven door and is provided with a flow opening adjacent to the outflow opening of the cover element and with flow guide elements. serves as such.
  • FIG. 1 The partial view of an oven according to FIG. 1 shows the upper stationary part of an oven housing 1 with a limited by a cooking chamber flange 2 cooking chamber 3 of conventional design, with a distance above the cooking chamber 3 fixed housing switch room unit 4 with front arrow according to 7 as glass plate trained control panel 5 and with a arranged between the cooking chamber 3 and switch room unit 4 horizontal flow channel 6, the front is limited on the one hand by the control panel 5 and on the other hand by an oven door 8 shown in the figures in the closed state, consisting of a three-piece, heat-insulating glass panel composite 9 and a For example, also made of glass material windshield 10 with front surface 11 and attached thereto door handle 12. Not shown is a between cooking chamber flange 2 and oven door 8 in usually arranged, the cooking chamber opening moving gasket.
  • a carrier of the outflow openings 14 is a cover member 15, the according to FIG. 1 has a backwards, ie in the direction of the cooking chamber 3 beveled element part 15.1.
  • the cover element 15 is coated at the front end with a heat poorly conductive, but temperature-resistant plastic part 16, which projects beyond the front window 10 of the oven door 8 and thus represents a boundary of the flow channel 6 and a direct contact of the heated operating air with the upper edge of the windshield 10 and thus prevents a substantial heat exchange with the same.
  • FIG. 2 dominates in substantial accordance with FIG. 1
  • the at least one outflow opening 14 is arranged in a chamfered element part of the cover element 15.2.
  • FIG. 3 is re FIGS. 1 and 2 different that the cover element 15.3 does not overlap the front panel or windshield 10, but this protruding abuts against this rear side, whereby a flow guide is formed, which prevents direct contact between the heated operating air and the windshield 10.
  • the cover element 15.4 again engages over the windshield 10 and engages around the same with a vertical flange 15.5.
  • the cover element 15.6 integrally provided with a hump-like, increased flow-trailing edge 15.7, in the flow channel 6 (Fig. Figure 1 to 4 protrudes and which directs the exhaust air flow of the heated operating air in a remote from the upper edge of the windshield 10 flow path.
  • a trailing edge 15.8 may be attached to the upstream side of the cover element 15.6, which also has the task to divert the exhaust air flow from the windshield 10.
  • FIG. 6 is on the oven housing, ie stationary, an elongated, for example formed of sheet metal flow guide 17 is attached, which covers the upper boundary edge of the oven door 8 and has a flow opening 18 which is aligned with the outflow opening 14 'of the cover member 15.7, so that from the Flow channels 13 in the direction of arrow incoming heated operating air passes through the flow opening 18 into the horizontal flow channel 6 and is discharged to the outside in the direction of the arrow. Also provides an increase 19 as a kind of trailing edge for a deflection of the coming from the switch room of the oven operating air.
  • the cover element 20.1, 20.2 and 20.3 from two parts of different material, ie for example made of plastic on the one hand and of metal or plastic coated metal sheet on the other hand.
  • the cover element 20.1 has at least one outflow opening 14 formed by in the Frame of a bevelled virtual element part 20.1.1 by the extent of the outflow opening 14 almost parallel to each other extending tabs 20.1.1.1 and 20.1.1.2.
  • the metal component 21.3 is even more extensive, has the discharge opening 14 'and is connected at the point 23 with a front, made of plastic, the front glass pane 10 cross-part 20.4 of the cover element 20.3, otherwise similar to the component 21.2 according to FIG. 8 designed.

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

Abstract

The oven has a cooking chamber (3) closed by a mobile oven door (8). Front surfaces (5, 11) of the oven door are formed as a glass plate, where the front surfaces include a flow channel (6) for forced-payment of heated and/or polluted operating air from the oven. Air flow guiding elements (15) e.g. covering elements, are provided in the flow channel to reduce contact between the front surfaces and the operating air that exhausts from the flow channel. The air flow guiding elements are arranged on the oven door and at a stationary housing (1). The covering element is made of two differential materials selected from plastic and metal.

Description

Die Erfindung bezieht sich auf einen Backofen mit einem durch eine Ofentür verschließbaren Garraum sowie mit einem insbesondere oberhalb der bevorzugt als Glasplatte ausgebildeten Frontfläche der Ofentür und/oder weiterer Frontflächen vorhandenen Strömungskanal für die erzwungene Abführung von erwärmter Betriebsluft aus dem Backofen.The invention relates to an oven with a closable by an oven door cooking chamber and with a particular above the preferably designed as a glass plate front surface of the oven door and / or other front surfaces existing flow channel for the forced discharge of heated operating air from the oven.

Ein bekannter Backofen ( DE 102006042173 A1 ) ist mit einer Ofentür ausgerüstet, die durch eine innere Scheibe und durch eine äußere Scheibe begrenzt ist und einen Strömungskanal besitzt, der nach oben begrenzt ist durch eine Abdeckung, die einen geneigten Schenkel aufweist, in welchem zumindest eine Ausströmöffnung vorgesehen ist, die in einen horizontalen Strömungskanal für die Abluft aus einem Schalterraum des Backofens einmündet.A well-known oven ( DE 102006042173 A1 ) is equipped with an oven door, which is delimited by an inner disc and by an outer disc and has a flow channel which is bounded at the top by a cover having an inclined leg, in which at least one discharge opening is provided which in a horizontal flow channel for the exhaust air from a switch room of the oven opens.

Die aus einem horizontalen Strömungskanal sowie aus dem Inneren der Ofentür ins Freie abgeführte, insbesondere bei Selbstreinigungsbetrieb stark erwärmte Betriebsluft z.B. mit einer Temperatur von ca. 120° C kann bei einem derartigen frontseitigen Abführungssystem die Oberkante der Türfrontfläche z.B. in Form einer Glasplatte berühren und so einen Wärmeaustausch mit unzulässig hoher Oberflächentemperatur insbesondere an der z.B. glasartigen oberen Frontfläche der Ofentür bewirken und dies insbesondere bei Betriebstemperaturen von 400° C bei pyrolytisch selbstreinigenden Backöfen.The discharged from a horizontal flow channel and from the interior of the oven door to the outside, especially in self-cleaning operation strongly heated operating air, for. with a temperature of about 120 ° C can in such a front-side discharge system, the upper edge of the door front surface, for. in the form of a glass plate and so heat exchange with impermissibly high surface temperature, in particular at the e.g. effect glassy upper front surface of the oven door and this in particular at operating temperatures of 400 ° C in pyrolytic self-cleaning ovens.

Aufgabe der vorliegenden Erfindung ist es, mit einfachen konstruktiven Mitteln eine unzulässig hohe Temperatur an der Frontseite insbesondere der Türfrontseite des Backofens und/oder eine Verschmutzung zu verhindern.Object of the present invention is to prevent by simple design means an unacceptably high temperature on the front, in particular the door front of the oven and / or contamination.

Diese Aufgabe wird bei einem Backofen der eingangs genannten Art erfindungsgemäß dadurch gelöst, dass im Strömungskanal Strömungsleitelemente vorgesehen sind, die einen Kontakt zwischen der mindestens einen angrenzenden Frontfläche und der aus dem Strömungskanal ausströmenden Betriebsluft verhindern.This object is achieved in an oven of the type mentioned according to the invention in that flow guide elements are provided in the flow channel, which prevent contact between the at least one adjacent front surface and the effluent from the flow channel operating air.

In vorteilhafter Weise wird hierdurch ein unmittelbarer Strömungskontakt zwischen der eventuell stark erhitzten und/oder verschmutzten Betriebsluft und dem benachbarten jeweiligen Ende der Frontfläche z.B. der Glasplatte der Ofentür verhindert, so dass insbesondere ein intensiver Wärmetausch und eine unzulässig hohe Erhitzung derselben nicht stattfinden kann. Dies gilt insbesondere für die genannte Tür-Frontfläche aus glasartigem oder metallischem Material, aber auch für andere, dem Strömungskanal unmittelbar benachbarte Frontflächen z.B. in Form einer glasartigen Frontplatte vor der Anzeige- und Bedienungseinheit des Backofens.Advantageously, this provides direct flow contact between the potentially highly heated and / or polluted operating air and the adjacent respective end of the front surface, e.g. prevented the glass plate of the oven door, so that in particular an intense heat exchange and an unacceptably high heating of the same can not take place. This applies in particular to the said door front surface made of vitreous or metallic material, but also to other front surfaces immediately adjacent to the flow channel, e.g. in the form of a glass-like front panel in front of the display and operating unit of the oven.

Die erfindungsgemäß vorgesehenen Strömungsleitelemente können als Bestandteil der Ofentür und/oder des stationären Ofengehäuses vorgesehen sein, wenn sie nur im Stande sind, eine direkte Berührung zwischen der erhitzten, ins Freie strömenden Betriebsluft und der angrenzenden jeweiligen Frontfläche zu verhindern.The present invention provided Strömungsleitelemente may be provided as part of the oven door and / or the stationary oven housing, if they are only able to prevent direct contact between the heated, flowing to the outside operating air and the adjacent respective front surface.

Gemäß einer bevorzugten Ausgestaltung der Erfindung weist die Begrenzungskante der Ofentür ein Deckelement auf, das mindestens eine, Strömungskanälen innerhalb der Ofentür zugeordnete Ausströmöffnung aufweist, die einem vorzugsweise horizontalen Strömungskanal oberhalb der Ofentür zugewandt ist und Strömungsleitelemente bildet bzw. aufweist.In accordance with a preferred embodiment of the invention, the boundary edge of the oven door has a cover element which has at least one outflow opening assigned to flow channels within the oven door which faces a preferably horizontal flow channel above the oven door and forms or has flow guide elements.

Das Deckelement mit seinen Strömungsleitelementen besteht vorzugsweise insgesamt oder teilweise aus einem Wärme schlecht leitenden Kunststoff, so dass auch über dieses Deckelement und über seine Strömungsleitelemente kein wesentlicher Wärmetausch zwischen diesem Deckelement und seinen Strömungsleitelementen und den Frontflächen des Backofens stattfinden kann.The cover element with its flow guide elements preferably consists wholly or partially of a heat poorly conductive plastic, so that even over this cover element and its flow guide no significant heat exchange between this cover element and its flow guide and the front surfaces of the oven can take place.

Erfindungsgemäß ist vorgesehen, dass das Deckelement die Frontfläche der Ofentür übergreift, vorzugsweise mit einem vertikalen Flansch umgreift. Als erfindungsgemäße Strömungsleitelemente sind im Übrigen alle im Strömungsweg angeordneten Einrichtungen geeignet, die einen unmittelbaren Kontakt zwischen der erhitzten Betriebsluft und der jeweiligen Frontfläche verhindern, z.B. in Form von die jeweilige Frontfläche übergreifenden oder überhöht daran anstoßenden Gestaltungen der Strömungsleitelemente oder aber in Form von Strömungs-Abrisskanten im Verlauf des Strömungsweges, die eine gezielte Strömungsleitung auch ohne bis zur Frontfläche gezogene Strömungskanalwände ermöglichen.According to the invention it is provided that the cover element engages over the front surface of the oven door, preferably engages around with a vertical flange. Incidentally, all devices arranged in the flow path are suitable as flow guide elements according to the invention, which prevent direct contact between the heated operating air and the respective front surface, for example in the form of the respective front surface overlapping or excessively abutting the flow guide elements or else in the form of flow separation edges in the course of the flow path, which is a targeted Flow line even without drawn up to the front surface flow channel walls allow.

Gemäß einer Ausgestaltung der Erfindung kann das Deckelement aus mindestens zwei Teilen unterschiedlichen Materials, vorzugsweise aus Kunststoff und Metall bestehen. Beispielsweise kann ein die Ausströmöffnung aufweisender Bauteil des Deckelements aus einem vorzugsweise mit Kunststoff beschichteten metallischen Material bestehen. Damit weist das unmittelbar der Abströmung der erhitzten Abluft aus der Ofentür dienende oder daran angrenzende Teil des Deckelements eine hohe thermische Formbeständigkeit auf und ist aufgrund dessen aufwändiger, z.B. vielwinkeliger Formgebung kostensparender als Metallteil herstellbar.According to one embodiment of the invention, the cover element may consist of at least two parts of different material, preferably of plastic and metal. For example, a component of the cover element having the outflow opening can consist of a metallic material which is preferably coated with plastic. Thus, the part of the cover element directly or adjoining the heated exhaust air from the oven door has a high thermal dimensional stability and is therefore more expensive, e.g. mehrwinkeliger shaping cost-saving than metal part to produce.

Als Alternative zu Ausführungsformen mit unmittelbar an der Ofentür befestigten Strömungsleitelementen kann erfindungsgemäß vorgesehen sein, dass ein am Gehäuse des Backofens und im Verlauf des Strömungskanals befestigtes Strömungsleitelement die Begrenzungskante der Ofentür überzieht und mit einer der Ausströmöffnung des Deckelements benachbarten Strömungsöffnung sowie mit Strömungsleitelementen versehen ist bzw. als solches dient.As an alternative to embodiments with flow guide elements fastened directly to the oven door, it may be provided that a flow guide fastened to the housing of the oven and in the course of the flow channel covers the boundary edge of the oven door and is provided with a flow opening adjacent to the outflow opening of the cover element and with flow guide elements. serves as such.

Die Erfindung ist anhand von in der Zeichnung dargestellten Ausführungsbeispielen nachstehend erläutert.The invention is explained below with reference to exemplary embodiments illustrated in the drawing.

Es zeigt:

Figur 1
Die Schnittansicht eines Teils eines Backofens mit Darstellung der oberen Begrenzungskante der Ofentür und der peripheren Teile des Ofengehäuses;
Figur 2 bis 5
Unterschiedliche Ausführungsformen eines die Begrenzungskante der Ofentür überziehenden Deckelements in einer der Figur 1 ähnlichen DetailSchnittansicht;
Figur 6
Eine weitere Detail-Schnittansicht mit einer von den Ausführungsbeispielen gemäß Figur 1 bis 5 abweichenden Ausgestaltung von gehäusefest angeordneten Strömungsleitelementen;
Figur 7 bis 9
Weitere Ausführungsformen des Deckelements gemäß Figur 1 bis 5, bestehend aus mehreren Teilen.
It shows:
FIG. 1
The sectional view of a portion of a baking oven showing the upper boundary edge of the oven door and the peripheral parts of the oven housing;
FIGS. 2 to 5
Different embodiments of the boundary edge of the furnace door covering cover member in one of FIG. 1 similar detailCutting view;
FIG. 6
Another detail sectional view with one of the embodiments according to Figure 1 to 5 deviating embodiment of housing fixedly arranged flow guide elements;
FIGS. 7 to 9
Further embodiments of the cover element according to Figure 1 to 5 , consisting of several parts.

Die Teilansicht eines Backofens gemäß Figur 1 zeigt den oberen stationären Teil eines Backofen-Gehäuses 1 mit einem durch einen Garraum-Flansch 2 begrenzten Garraum 3 üblicher Bauart, mit einer mit Abstand oberhalb des Garraumes 3 platzierten gehäusefesten Schalterraum-Einheit 4 mit gemäß Pfeil 7 frontseitigem z.B. als Glasplatte ausgebildeten Bedienpaneel 5 sowie mit einem zwischen Garraum 3 und Schalterraum-Einheit 4 angeordneten horizontalen Strömungskanal 6, der frontseitig begrenzt ist einerseits durch das Bedienpaneel 5 und andererseits durch eine in den Figuren in geschlossenem Zustand gezeigte Ofentür 8, bestehend aus einem dreiteiligen, wärmedämmenden Glasplatten-Verbund 9 und einer z.B. ebenfalls aus Glasmaterial bestehenden Frontscheibe 10 mit Frontfläche 11 sowie mit daran befestigtem Türgriff 12. Nicht dargestellt ist eine zwischen Garraum-Flansch 2 und Ofentür 8 in üblicherweise angeordnete, die Garraumöffnung umziehende Dichtung. Zwischen den Glasplatten des Glasplatten-Verbundes 9 sind Strömungskanäle 13 ausgebildet, die eine Durchströmung der Ofentür 8 z.B. vom unteren, offenen Ende bis zu den oberen Ausströmöffnungen 14 bewirken und damit eine Abführung der erhitzten Abluft in der, den stark erhitzten Garraum 3 abschließenden Ofentür 8 in Richtung des horizontalen Strömungskanals 6 gemäß den in den Figuren dargestellten Pfeilen ermöglichen.The partial view of an oven according to FIG. 1 shows the upper stationary part of an oven housing 1 with a limited by a cooking chamber flange 2 cooking chamber 3 of conventional design, with a distance above the cooking chamber 3 fixed housing switch room unit 4 with front arrow according to 7 as glass plate trained control panel 5 and with a arranged between the cooking chamber 3 and switch room unit 4 horizontal flow channel 6, the front is limited on the one hand by the control panel 5 and on the other hand by an oven door 8 shown in the figures in the closed state, consisting of a three-piece, heat-insulating glass panel composite 9 and a For example, also made of glass material windshield 10 with front surface 11 and attached thereto door handle 12. Not shown is a between cooking chamber flange 2 and oven door 8 in usually arranged, the cooking chamber opening moving gasket. Between the glass plates of the glass plate composite 9 flow channels 13 are formed, which cause a flow through the oven door 8, for example, from the lower, open end to the upper outflow 14 and thus a discharge of the heated exhaust air in the strongly heated cooking chamber 3 final oven door. 8 in the direction of the horizontal flow channel 6 according to the arrows shown in the figures.

Als Träger der Ausströmöffnungen 14 dient ein Deckelement 15, das gemäß Figur 1 einen nach hinten, also in Richtung des Garraumes 3 abgeschrägten Elementeteil 15.1 aufweist. Das Deckelement 15 ist am frontseitigen Ende beschichtet mit einem Wärme schlecht leitenden, aber temperaturresistenten Kunststoffteil 16, der die Frontscheibe 10 der Ofentür 8 überragt und insofern eine Begrenzung des Strömungskanals 6 darstellt und eine direkte Berührung der erhitzten Betriebsluft mit der Oberkante der Frontscheibe 10 und damit einen wesentlichen Wärmetausch mit derselben verhindert.As a carrier of the outflow openings 14 is a cover member 15, the according to FIG. 1 has a backwards, ie in the direction of the cooking chamber 3 beveled element part 15.1. The cover element 15 is coated at the front end with a heat poorly conductive, but temperature-resistant plastic part 16, which projects beyond the front window 10 of the oven door 8 and thus represents a boundary of the flow channel 6 and a direct contact of the heated operating air with the upper edge of the windshield 10 and thus prevents a substantial heat exchange with the same.

Beim Ausführungsbeispiel gemäß Figur 2 überragt in wesentlicher Übereinstimmung mit Figur 1 das z.B. voll aus Kunststoff bestehende Deckelement 15.2 die Frontscheibe 10 und deren Frontfläche 11 mit einer mehrfach winkeligen Kontur. Auch hierbei ist die mindestens eine Ausströmöffnung 14 in einem abgeschrägten Elementeteil des Deckelements 15.2 angeordnet. Bei Figur 3 ist bezüglich Figur 1 und 2 unterschiedlich, dass das Deckelement 15.3 nicht die Frontplatte oder Frontscheibe 10 übergreift, sondern diese überragend an diese rückseitig anstößt, wodurch ein Strömungsleitelement gebildet ist, das eine direkte Berührung zwischen der erhitzten Betriebsluft und der Frontscheibe 10 verhindert.According to the embodiment FIG. 2 dominates in substantial accordance with FIG. 1 For example, the fully made of plastic cover member 15.2 the windshield 10 and the front surface 11 with a multi-angled contour. Here, too, the at least one outflow opening 14 is arranged in a chamfered element part of the cover element 15.2. at FIG. 3 is re FIGS. 1 and 2 different that the cover element 15.3 does not overlap the front panel or windshield 10, but this protruding abuts against this rear side, whereby a flow guide is formed, which prevents direct contact between the heated operating air and the windshield 10.

Beim Ausführungsbeispiel gemäß Figur 4 übergreift das Deckelement 15.4 wiederum die Frontscheibe 10 und umgreift dieselbe mit einem vertikalen Flansch 15.5.According to the embodiment FIG. 4 the cover element 15.4 again engages over the windshield 10 and engages around the same with a vertical flange 15.5.

Unterschiedlich zu den vorhergehenden Ausführungsbeispielen ist bei Figur 5 das Deckelement 15.6 einstückig versehen mit einer höckerartigen, erhöhten Strömungs-Abrisskante 15.7, die in den Strömungskanal 6 (Figur 1 bis 4) hineinragt und welche die Abluftströmung der erhitzten Betriebsluft in eine von der Oberkante der Frontscheibe 10 entfernte Strömungsbahn lenkt. Zusätzlich oder alternativ kann eine Abrisskante 15.8 am anströmseitigen Beginn des Deckelements 15.6 angebracht sein, die auch die Aufgabe hat, die Abluftströmung von der Frontscheibe 10 wegzuleiten.Different from the previous embodiments is at FIG. 5 the cover element 15.6 integrally provided with a hump-like, increased flow-trailing edge 15.7, in the flow channel 6 (Fig. Figure 1 to 4 protrudes and which directs the exhaust air flow of the heated operating air in a remote from the upper edge of the windshield 10 flow path. Additionally or alternatively, a trailing edge 15.8 may be attached to the upstream side of the cover element 15.6, which also has the task to divert the exhaust air flow from the windshield 10.

Beim Ausführungsbeispiel gemäß Figur 6 ist am Ofengehäuse, also stationär, ein langgestrecktes z.B. aus Metallblech gebildetes Strömungsleitelement 17 befestigt, das mit geringem Abstand die obere Begrenzungskante der Ofentür 8 überzieht und eine Strömungsöffnung 18 aufweist, die mit der Ausströmöffnung 14' des Deckelements 15.7 fluchtet, so dass die aus den Strömungskanälen 13 in Pfeilrichtung ankommende erhitzte Betriebsluft durch die Strömungsöffnung 18 hindurch in den horizontalen Strömungskanal 6 gelangt und in Pfeilrichtung nach außen abgeführt wird. Auch sorgt eine Erhöhung 19 als eine Art Abrisskante für eine Umlenkung der vom Schalterraum des Backofens herkommenden Betriebsluft.According to the embodiment FIG. 6 is on the oven housing, ie stationary, an elongated, for example formed of sheet metal flow guide 17 is attached, which covers the upper boundary edge of the oven door 8 and has a flow opening 18 which is aligned with the outflow opening 14 'of the cover member 15.7, so that from the Flow channels 13 in the direction of arrow incoming heated operating air passes through the flow opening 18 into the horizontal flow channel 6 and is discharged to the outside in the direction of the arrow. Also provides an increase 19 as a kind of trailing edge for a deflection of the coming from the switch room of the oven operating air.

Bei den Ausführungsbeispielen gemäß den Figuren 7, 8 und 9 besteht das Deckelement 20.1, 20.2 und 20.3 aus jeweils zwei Teilen unterschiedlichen Materials, also z.B. aus Kunststoff einerseits und aus Metall bzw. mit Kunststoff beschichtetem Metallblech andererseits. Bei Figur 7 ist ein z.B. aus Kunststoff bestehendes Deckelement 20.1 durch ein laschenartiges Bauteil 21.1 mit der inneren Glasscheibe der Ofentür 8 des Scheiben-Verbundes 9 verbunden, z.B. mittels einem nietartigen oder verschränkten Verbindungselements 22. Das Deckelement 20.1 weist wiederum mindestens eine Ausströmöffnung 14 auf, gebildet durch im Rahmen eines abgeschrägten virtuellen Elementeteils 20.1.1 um das Maß der Ausströmöffnung 14 nahezu parallel gegeneinander verlaufenden Laschen 20.1.1.1 und 20.1.1.2.In the embodiments according to the FIGS. 7, 8 and 9 consists of the cover element 20.1, 20.2 and 20.3 from two parts of different material, ie for example made of plastic on the one hand and of metal or plastic coated metal sheet on the other hand. at FIG. 7 For example, by means of a rivet-like or entangled connection element 22, the cover element 20.1 has at least one outflow opening 14 formed by in the Frame of a bevelled virtual element part 20.1.1 by the extent of the outflow opening 14 almost parallel to each other extending tabs 20.1.1.1 and 20.1.1.2.

Bei Figur 8 ist die Ausströmöffnung 14' Bestandteil des metallischen Bauteils 21.2 des Deckelements 20.2, welches Bauteil 21.2 einerseits mit dem aus Kunststoff bestehenden verkürzten Deckelement 20.2 an der Stelle 22 verbunden ist und andererseits sich an die innere Glasscheibe des Scheiben-Verbundes 9 anschmiegt.at FIG. 8 is the discharge opening 14 'part of the metallic component 21.2 of the cover element 20.2, which component 21.2 on the one hand with the plastic shortened cover element 20.2 is connected to the point 22 and on the other hand conforms to the inner glass pane of the disk composite 9.

Bei Figur 9 ist der aus Metall bestehende Bauteil 21.3 noch ausgedehnter gestaltet, weist die Ausströmöffnung 14' auf und ist an der Stelle 23 mit einem frontseitigen, aus Kunststoff bestehenden, die frontseitige Glasscheibe 10 übergreifenden Teil 20.4 des Deckelements 20.3 verbunden, im übrigen ähnlich dem Bauteil 21.2 gemäß Figur 8 ausgestaltet.at FIG. 9 if the metal component 21.3 is even more extensive, has the discharge opening 14 'and is connected at the point 23 with a front, made of plastic, the front glass pane 10 cross-part 20.4 of the cover element 20.3, otherwise similar to the component 21.2 according to FIG. 8 designed.

Claims (14)

Backofen mit einem durch eine Ofentür (8) verschließbaren Garraum (3) sowie mit einem insbesondere oberhalb der bevorzugt als Glasplatte ausgebildeten Frontfläche (11) der Ofentür (8) und/oder weiterer Frontflächen (5) vorhandenen Strömungskanal (6) für die erzwungene Abführung von erwärmter und/oder verschmutzter Betriebsluft aus dem Backofen, dadurch gekennzeichnet, dass im Strömungskanal (6) Strömungsleitelemente (15, 15.2, 15.3, 15.4, 15.7, 17/19, 20.1, 20.2, 20.3/20.4) vorgesehen sind, die einen Kontakt zwischen der Frontfläche (11,5) und der aus dem Strömungskanal (6) ausströmenden Betriebsluft verhindern.Oven having a cooking chamber (3) which can be closed by an oven door (8) and a flow channel (6) for the forced discharge which is present in particular above the front surface (11) of the oven door (8) and / or further front surfaces (5) of heated and / or polluted operating air from the oven, characterized in that in the flow channel (6) Strömungsleitelemente (15, 15.2, 15.3, 15.4, 15.7, 17/19, 20.1, 20.2, 20.3 / 20.4) are provided, the one contact prevent between the front surface (11,5) and the outflow of the flow channel (6) operating air. Backofen nach Anspruch 1, dadurch gekennzeichnet, dass die Strömungsleitelemente an der mobilen Ofentür (8) angeordnet sind.Baking oven according to claim 1, characterized in that the flow guide elements are arranged on the mobile oven door (8). Backofen nach Anspruch 1, dadurch gekennzeichnet, dass die Strömungsleitelemente am stationären Gehäuse (1) des Backofens angeordnet sind.Baking oven according to claim 1, characterized in that the flow guide elements are arranged on the stationary housing (1) of the oven. Backofen nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Begrenzungskante der Ofentür (8) ein Deckelement (15, 15.1, 15.2, 15.3, 15.4, 15.6, 20.1, 20.2, 20.3) aufweist, das mindestens eine Strömungskanälen (13) innerhalb der Ofentür (8) zugeordnete Ausströmöffnung (14, 14') aufweist, die einem vorzugsweise horizontalen Strömungskanal (6) oberhalb der Ofentür (8) zugewandt ist und ein Strömungsleitelement bildet bzw. aufweist.Baking oven according to one of the preceding claims, characterized in that the boundary edge of the oven door (8) has a cover element (15, 15.1, 15.2, 15.3, 15.4, 15.6, 20.1, 20.2, 20.3), the at least one flow channels (13) within the Furnace door (8) associated discharge opening (14, 14 ') which faces a preferably horizontal flow channel (6) above the oven door (8) and forms or has a flow guide. Backofen nach Anspruch 4, dadurch gekennzeichnet, dass das Deckelement (15, 15.1, 15.2, 15.3, 15.4, 20.1.1) in einem in Richtung des Garraumes (3) abgeschrägten Elementeteil (15.1) die mindestens eine Ausströmöffnung (14, 14') aufweist.Baking oven according to claim 4, characterized in that the cover element (15, 15.1, 15.2, 15.3, 15.4, 20.1.1) in an in the direction of the cooking chamber (3) beveled element part (15.1) the at least one outflow opening (14, 14 ') having. Backofen nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Deckelement als diskreter, vorzugsweise aus Wärme schlecht leitendem Kunststoff bestehender Bauteil ausgebildet ist.Baking oven according to one of the preceding claims, characterized in that the cover element is designed as a discrete, preferably made of heat poorly conductive plastic existing component. Backofen nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Deckelement zumindest teilweise Bestandteil eines die Ofentür (8) zum Garraum (3) hin begrenzenden Türbodens ist.Baking oven according to one of claims 1 to 5, characterized in that the cover element is at least partially part of the oven door (8) to the cooking chamber (3) towards limiting door bottom. Backofen nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Deckelement (15, 15.1, 15.2, 15.3, 15.4, 15.6, 20.1, 20.2, 20.3) die Frontfläche (11) der Ofentür (8) übergreift, vorzugsweise mit einem vertikalen Flansch (15.5) umgreift.Baking oven according to one of the preceding claims, characterized in that the cover element (15, 15.1, 15.2, 15.3, 15.4, 15.6, 20.1, 20.2, 20.3), the front surface (11) of the oven door (8) engages over, preferably with a vertical flange ( 15.5) encompasses. Backofen nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Deckelement (15.3) an die, die Frontfläche (11) bildende Frontplatte (10), diese überragend, anstößt.Baking oven according to one of the preceding claims, characterized in that the cover element (15.3) to the, the front surface (11) forming front plate (10), this outstanding, abuts. Backofen nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Deckelement (15.6, 17) im Verlauf des horizontalen Strömungskanals (6) eine Strömungs-Abrisskante (15.7, 15.8, 19) aufweist.Baking oven according to one of the preceding claims, characterized in that the cover element (15.6, 17) in the course of the horizontal flow channel (6) has a flow-breaking edge (15.7, 15.8, 19). Backofen nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Deckelement (20.1, 20.2, 20.3) aus mindestens zwei Teilen unterschiedlichen Materials, vorzugsweise aus Kunststoff und Metall besteht.Baking oven according to one of the preceding claims, characterized in that the cover element (20.1, 20.2, 20.3) consists of at least two parts of different material, preferably made of plastic and metal. Backofen nach Anspruch 11, dadurch gekennzeichnet, dass ein die Ausströmöffnung (14') aufweisender Bauteil (21.2, 21.3) des Deckelements (20.2, 20.3) aus einem vorzugsweise mit Kunststoff beschichtetem metallischen Material besteht.Baking oven according to claim 11, characterized in that a component (21.2, 21.3) of the cover element (20.2, 20.3) having the outflow opening (14 ') consists of a preferably plastic-coated metallic material. Backofen nach einem der Ansprüche 11 und 12, dadurch gekennzeichnet, dass das metallische Bauteil (21.3) frontseitig mit einem aus Kunststoff bestehenden, die Frontfläche (11) der Ofentür (8) über- oder umgreifenden Bauteil (20.4) verbunden ist.Baking oven according to one of claims 11 and 12, characterized in that the metallic component (21.3) at the front with a plastic, the front surface (11) of the oven door (8) over or encompassing member (20.4) is connected. Backofen nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein am Gehäuse (1) des Backofens und im Verlauf des Strömungskanals (6) befestigtes Strömungsleitelement (17) die Begrenzungskante der Ofentür (8) überzieht und mit einer der Ausströmöffnung (14') des Deckelements (15.7) benachbarten Strömungsöffnung (18) sowie mit Strömungsleitelementen (19) versehen ist bzw. als solches dient.Baking oven according to one of the preceding claims, characterized in that a on the housing (1) of the oven and in the course of the flow channel (6) fixed flow guide (17) covers the boundary edge of the oven door (8) and with one of the outflow opening (14 ') of the Deckelements (15.7) adjacent flow opening (18) and with flow guide elements (19) is provided or serves as such.
EP11174503.0A 2010-08-03 2011-07-19 Baking oven Active EP2416072B1 (en)

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EP2921782A2 (en) 2014-03-19 2015-09-23 BSH Hausgeräte GmbH Door for a domestic appliance with a cover for at least one door panel used as a hybrid component and household appliance having such a door
WO2019096648A1 (en) * 2017-11-14 2019-05-23 BSH Hausgeräte GmbH Door for a cooking appliance with a specific panel holder, and cooking appliance
EP3772619A1 (en) * 2019-08-09 2021-02-10 Electrolux Appliances Aktiebolag Oven door for a cooking oven

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DE102014201424A1 (en) * 2014-01-27 2015-07-30 BSH Hausgeräte GmbH Cooking appliance with an air duct and a supply duct

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EP2921782A2 (en) 2014-03-19 2015-09-23 BSH Hausgeräte GmbH Door for a domestic appliance with a cover for at least one door panel used as a hybrid component and household appliance having such a door
DE102014216548A1 (en) 2014-03-19 2015-09-24 BSH Hausgeräte GmbH Door for a household appliance and designed as a hybrid component cover for at least one door glass and household appliance with such a door
EP2921782A3 (en) * 2014-03-19 2016-01-06 BSH Hausgeräte GmbH Door for a domestic appliance with a cover for at least one door panel used as a hybrid component and household appliance having such a door
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GB2582503A (en) * 2017-11-14 2020-09-23 Bsh Hausgeraete Gmbh Door for a cooking appliance with a specific panel holder, and cooking appliance
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EP3772619A1 (en) * 2019-08-09 2021-02-10 Electrolux Appliances Aktiebolag Oven door for a cooking oven
WO2021028200A1 (en) * 2019-08-09 2021-02-18 Electrolux Appliances Aktiebolag Oven door for a cooking oven

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ES2745731T3 (en) 2020-03-03
PL2416072T3 (en) 2020-03-31
DE102010038806A1 (en) 2012-02-09
EP2416072B1 (en) 2019-09-11

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