EP0660048B1 - Cooking chamber - Google Patents

Cooking chamber Download PDF

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Publication number
EP0660048B1
EP0660048B1 EP94119594A EP94119594A EP0660048B1 EP 0660048 B1 EP0660048 B1 EP 0660048B1 EP 94119594 A EP94119594 A EP 94119594A EP 94119594 A EP94119594 A EP 94119594A EP 0660048 B1 EP0660048 B1 EP 0660048B1
Authority
EP
European Patent Office
Prior art keywords
wall part
baking oven
oven muffle
muffle
ceiling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP94119594A
Other languages
German (de)
French (fr)
Other versions
EP0660048A3 (en
EP0660048A2 (en
Inventor
Klaus Dipl.-Ing. Erdmann (Fh)
Karl Herzer
Manfred Hintermayer
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.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP0660048A2 publication Critical patent/EP0660048A2/en
Publication of EP0660048A3 publication Critical patent/EP0660048A3/en
Application granted granted Critical
Publication of EP0660048B1 publication Critical patent/EP0660048B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/08Foundations or supports plates; Legs or pillars; Casings; Wheels

Definitions

  • the present invention relates to an oven muffle, consisting of individual, overlapping connected Wall parts and a front opening (see, e.g., FR-A-2 561 357). From a manufacturing point of view, it makes sense to use such oven muffle not to deep-draw from a sheet metal part, but from individual stamped sheet metal parts with less deformation to form and, if necessary, to form sheath-shaped bends Form parts of the oven muffle. The items will be then finally welded together to form the oven muffle and then enamelled.
  • Pre-trained Cutouts and breakthroughs are used for recording and implementation of functional units from the outside to the inside of the Oven muffle. These include, for example, the upper heating elements, that generate the upper heat and / or grill heat, as well as lighting and sensors, in particular for temperature detection. This also includes bushings for ventilation, i.a. for vapor removal.
  • the present invention is based on the object the original individual parts of the oven muffle like this to design and prefabricate that on the one hand cheap Requirements for the production and for the other Expediency of use are given.
  • the design of the bottom wall part provides sure that the welds towards the side wall parts and the rear wall part in relation to the floor level is raised. Accumulating on the bottom of the oven muffle or deliberately introduced liquid thus arrives safely not in the joints of the welded together Wall parts, so that a major cause of corrosion is no longer given.
  • the tub-like design of the Ceiling wall part in turn opens the possibility according to a further development of the invention all functional parts through the ceiling wall part into the oven muffle or to supply.
  • the back, angled section of the ceiling wall part assumes that the bushings for the overhead Radiators and the thermal sensor are provided. Due to the curvature, this area is also rather stiffened and the back wall part requires appropriate treatments Not.
  • oven muffle can also be seen in the fact that the rather more complex wall parts to create, namely that Ceiling wall part and the bottom wall part for different high variants of oven muffle manufactured uniformly can be and only the essentially board-like trained side wall parts and the rear wall part manufactured and stocked in different heights Need to become.
  • the invention is Oven muffle characterized in that the side wall parts on the edges facing the rear wall into the Level of the rear wall angled wall sections have and that the back wall part with essentially flat edge sections is designed.
  • the floor, ceiling and side wall parts at the opening facing the front Have edges directed away from this, edge sections and that these edge sections with a in this area in essential plane opening frame member are connected.
  • a particular advantage of these measures is that the rear wall part is formed from the opening frame element can be avoided so that punching waste as far as possible are.
  • the oven muffle according to the invention can also preferably do so be trained that parallel in the ceiling wall running to the front edge and into the interior of the muffle directed a bead is embossed. Behind this The upper radiator is then especially in the bead the muffle, so that a certain protection against contact and damage is given and also in the upper area the oven muffle fumes accumulating from the door area held and rather directed to the vapor outlet opening becomes.
  • the wall parts of an oven muffle are shown in FIG shown in a state in which this has not yet become finished oven muffle assembled and welded are. This makes their basic design clearly visible.
  • the bottom wall part 1 and the top wall part 2 are designed essentially the same, i.e. the the Side wall parts 3 and 4 facing edges 5 and 6 or 7 and 8 and the edges facing the rear wall part 9 10 or 11 from the bottom wall part 1 and from the ceiling wall part 2 are angled facing these further wall parts, so that a kind of tub with an open side to the Door front is formed in each case.
  • a bead 12 running along the front opening arranged which protrudes into the oven muffle from above and - as can be seen from FIG. 3 - an inserted one covers the upper radiator towards the front.
  • the two side wall parts 3 and 4 are designed similarly and only on their front and Angled backs, with sections on the back 17 and 18, which are directed in the plane of the rear wall 9 inwards are and the front with sections 19 and 20, the are directed away from the muffle opening.
  • FIG. 1 A variant of FIG. 1 is also shown in FIGS. 2 and 3 indicated.
  • the rear wall is like a board trained throughout and closes the furnace sleeve definitely.
  • this rear wall 9 'as Partition wall provided, behind which is still a hot air box 23 is added. So in this case too Back wall with perforations or slots for the passage of the Air to and from the hot air blower.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Baking, Grill, Roasting (AREA)
  • Electric Stoves And Ranges (AREA)

Description

Die vorliegende Erfindung bezieht sich auf eine Backofenmuffel, bestehend aus einzelnen, überlappend miteinander verbundenen Wandungsteilen und einer frontseitigen Öffnung (s., z.B., die FR-A-2 561 357). Fertigungstechnisch bietet es sich an, derartige Backofenmuffeln nicht aus einem Blechteil tiefzuziehen, sondern aus einzelnen gestanzten Blechteilen mit geringeren Verformungen vorzubilden und ggf. durch Abknickungen zu mantelförmigen Teilen der Backofenmuffel auszubilden. Die Einzelteile werden dann endgültig zu der Form der Backofenmuffel zusammengeschweißt und anschließend emailliert. Vorab ausgebildete Ausschnitte und Durchbrüche dienen der Aufnahme und Durchführung von Funktionseinheiten von außen ins Innere der Backofenmuffel. Dazu gehören beispielsweise die oberen Heizelemente, die die Oberwärme und/oder Grillhitze erzeugen, sowie Beleuchtung und Sensoren, insbesondere zur Temperaturerfassung. Dazuzuzählen sind auch Durchführungen zur Belüftung, u.a. zur Wrasenabführung.The present invention relates to an oven muffle, consisting of individual, overlapping connected Wall parts and a front opening (see, e.g., FR-A-2 561 357). From a manufacturing point of view, it makes sense to use such oven muffle not to deep-draw from a sheet metal part, but from individual stamped sheet metal parts with less deformation to form and, if necessary, to form sheath-shaped bends Form parts of the oven muffle. The items will be then finally welded together to form the oven muffle and then enamelled. Pre-trained Cutouts and breakthroughs are used for recording and implementation of functional units from the outside to the inside of the Oven muffle. These include, for example, the upper heating elements, that generate the upper heat and / or grill heat, as well as lighting and sensors, in particular for temperature detection. This also includes bushings for ventilation, i.a. for vapor removal.

Der vorliegenden Erfindung liegt nunmehr die Aufgabe zugrunde, die ursprünglichen Einzelteile der Backofenmuffel so auszugestalten und vorzufertigen, daß zum einen günstige Voraussetzungen für die Herstellung und zum anderen für die Zweckmäßigkeit einer Nutzung gegeben sind.The present invention is based on the object the original individual parts of the oven muffle like this to design and prefabricate that on the one hand cheap Requirements for the production and for the other Expediency of use are given.

Eine Backofenmuffel, die diesen Anforderungen entspricht, ist erfindungsgemäß durch die Merkmale des Anspruchs 1 gekennzeichnet.An oven muffle that meets these requirements is characterized according to the invention by the features of claim 1.

Die Ausgestaltung des Bodenwandungsteils stellt sicher, daß die Schweißnähte hin zu den Seitenwandungsteilen und dem Rückwandungsteil gegenüber der Bodenebene wesentlich angehoben wird. Sich am Boden der Backofenmuffel ansammelnde oder bewußt eingebrachte Flüssigkeit gelangt somit gesichert nicht in die Verbindungsfugen der miteinander verschweißten Wandungsteile, so daß eine wesentliche Ursache für Korrosion nicht mehr gegeben ist. Die wannenartige Ausgestaltung des Deckenwandungsteils eröffnet ihrerseits die Möglichkeit, gemäß einer Weiterbildung der Erfindung alle Funktionsteile durch das Deckenwandungsteil in die Ofenmuffel hineinzuführen bzw. zu versorgen. Insbesondere bietet sich der rückseitige, abgewinkelte Abschnitt des Deckenwandungsteils dazu an, daß in diesem Bereich die Durchführungen für den obenliegenden Heizkörper und den Thermofühler vorgesehen werden. Durch die Abkrümmung ist dieser Bereich auch eher versteift und das Rückwandungsteil bedarf entsprechender Behandlungen nicht. Ein besonderer Vorteil der erfindungsgemäßen Ausgestaltung der Backofenmuffel ist auch darin zu sehen, daß die eher aufwendiger zu erstellenden Wandungsteile, nämlich das Deckenwandungsteil und das Bodenwandungsteil für verschieden hohe Varianten von Backofenmuffeln einheitlich gefertigt werden können und lediglich die im wesentlichen platinenartig ausgebildeten Seitenwandungsteile und das Rückwandungsteil in unterschiedlichen Höhen gefertigt und bevorratet werden müssen.The design of the bottom wall part provides sure that the welds towards the side wall parts and the rear wall part in relation to the floor level is raised. Accumulating on the bottom of the oven muffle or deliberately introduced liquid thus arrives safely not in the joints of the welded together Wall parts, so that a major cause of corrosion is no longer given. The tub-like design of the Ceiling wall part in turn opens the possibility according to a further development of the invention all functional parts through the ceiling wall part into the oven muffle or to supply. In particular, the back, angled section of the ceiling wall part assumes that the bushings for the overhead Radiators and the thermal sensor are provided. Due to the curvature, this area is also rather stiffened and the back wall part requires appropriate treatments Not. A particular advantage of the configuration according to the invention The oven muffle can also be seen in the fact that the rather more complex wall parts to create, namely that Ceiling wall part and the bottom wall part for different high variants of oven muffle manufactured uniformly can be and only the essentially board-like trained side wall parts and the rear wall part manufactured and stocked in different heights Need to become.

Nach einer zweckmäßigen Weiterbildung ist die erfindungsgemäße Backofenmuffel dadurch gekennzeichnet, daß die Seitenwandungsteile an den der Rückwand zugwandten Rändern in die Ebene der Rückwand abgewinkelt ausgebildete Wandungsabschnitte aufweisen und daß das Rückwandungsteil mit im wesentlichen ebenen Randabschnitten ausgestaltet ist. Weiterhin ist es zweckmäßig, daß die Boden-, Decken- und Seitenwandungsteile an den der frontseitigen Öffnung zugewandten Rändern von dieser weggerichtete, Randabschnitte aufweisen und daß diese Randabschnitte mit einem in diesem Bereich im wesentlichen ebenen Öffnungsrahmenelement verbunden sind. Ein besonderer Vorteil dieser Maßnahmen besteht darin, daß das Rückwandungsteil aus dem Öffnungsrahmenelement gebildet werden kann, so daß Stanzabfälle weitestgehend vermieden sind.After an expedient development, the invention is Oven muffle characterized in that the side wall parts on the edges facing the rear wall into the Level of the rear wall angled wall sections have and that the back wall part with essentially flat edge sections is designed. Farther it is appropriate that the floor, ceiling and side wall parts at the opening facing the front Have edges directed away from this, edge sections and that these edge sections with a in this area in essential plane opening frame member are connected. A particular advantage of these measures is that the rear wall part is formed from the opening frame element can be avoided so that punching waste as far as possible are.

Die erfindungsgemäße Backofenmuffel kann auch bevorzugt dahingehend weitergebildet sein, daß in der Deckenwandung parallel zu deren frontseitigem Rand verlaufend und in das Muffelinnere gerichtet eine Sicke eingeprägt ist. Hinter dieser Sicke liegt dann insbesondere der obere Heizkörper innerhalb der Muffel, so daß ein gewisser Berührungs- und Beschädigungsschutz gegeben ist und sich auch der im oberen Bereich der Backofenmuffel sich ansammelnde Wrasen vom Türbereich abgehalten und eher zur Wrasenaustrittsöffnung geleitet wird.The oven muffle according to the invention can also preferably do so be trained that parallel in the ceiling wall running to the front edge and into the interior of the muffle directed a bead is embossed. Behind this The upper radiator is then especially in the bead the muffle, so that a certain protection against contact and damage is given and also in the upper area the oven muffle fumes accumulating from the door area held and rather directed to the vapor outlet opening becomes.

Die Erfindung ist anhand eines in der Zeichnung dargestellten Ausführungsbeispiels im folgenden näher beschrieben. Es zeigen:

Fig. 1
eine Backofenmuffel in Explosions-Darstellung der Einzelteile,
Fig. 2
eine abgebrochene Seitenansicht der Backofenmuffel im Bodenbereich und
Fig. 3
eine abgebrochene Darstellung der Backofenmuffel im Deckenbereich.
The invention is described below with reference to an embodiment shown in the drawing. Show it:
Fig. 1
an oven muffle in an exploded view of the individual parts,
Fig. 2
a broken side view of the oven muffle in the floor area and
Fig. 3
a broken view of the oven muffle in the ceiling area.

Aus der Figur 1 sind die Wandungsteile einer Backofenmuffel in einem Zustand dargestellt, in dem diese noch nicht zu einer fertigen Backofenmuffel zusammengefügt und geschweißt sind. Dadurch ist deren prinzipielle Gestaltung gut ersichtlich. Das Bodenwandungsteil 1 und das Deckenwandungsteil 2 sind im wesentlichen gleichartig ausgestaltet, d.h. die den Seitenwandungsteilen 3 und 4 zugewandten Ränder 5 und 6 bzw. 7 und 8 und die dem Rückwandungsteil 9 zugewandten Ränder 10 bzw. 11 vom Bodenwandungsteil 1 und vom Deckenwandungsteil 2 sind diesen weiteren Wandungsteilen zugewandt abgewinkelt, so daß eine Art Wanne mit einer offenen Seite zur Türfront hin jeweils gebildet ist. Im Deckenwandungsteil ist eine längs der frontseitigen Öffnung verlaufende Sicke 12 angeordnet, die in die Backofenmuffel von oben hereinragt und - wie aus Figur 3 ersichtlich ist - einen eingesetzten oberen Heizkörper zur Frontseite hin abdeckt. Außerdem sind in das Deckenwandungsteil 2 Durchbrüche 13 und 14 zum einen für die Durchführung des oben in die Muffel eingebrachten Heizkörpers 15 und andererseits für eine Beleuchtung 16 eingebracht. Die beiden Seitenwandungsteile 3 und 4 sind gleichartig ausgestaltet und lediglich an ihren Front- und Rückseiten abgewinkelt, und zwar rückseitig mit Abschnitten 17 und 18, die in die Ebene der Rückwand 9 nach innen gerichtet sind und frontseitig mit Abschnitten 19 und 20, die von der Muffelöffnung weggerichtet sind.The wall parts of an oven muffle are shown in FIG shown in a state in which this has not yet become finished oven muffle assembled and welded are. This makes their basic design clearly visible. The bottom wall part 1 and the top wall part 2 are designed essentially the same, i.e. the the Side wall parts 3 and 4 facing edges 5 and 6 or 7 and 8 and the edges facing the rear wall part 9 10 or 11 from the bottom wall part 1 and from the ceiling wall part 2 are angled facing these further wall parts, so that a kind of tub with an open side to the Door front is formed in each case. In the ceiling wall part a bead 12 running along the front opening arranged, which protrudes into the oven muffle from above and - as can be seen from FIG. 3 - an inserted one covers the upper radiator towards the front. Also are in the ceiling wall part 2 openings 13 and 14 on the one hand for the implementation of the inserted into the muffle above Radiator 15 and on the other hand introduced for lighting 16. The two side wall parts 3 and 4 are designed similarly and only on their front and Angled backs, with sections on the back 17 and 18, which are directed in the plane of the rear wall 9 inwards are and the front with sections 19 and 20, the are directed away from the muffle opening.

Mit ähnlich ausgerichteten Ansätzen 24, 25 sind auch die Boden- und Deckenwandungsteile 1 und 2 ausgestattet. Daran wird ein in diesem Bereich im wesentlichen ebenes Öffnungsrahmenelement 21 flächig angesetzt und angeschweißt. Figur 2 zeigt, daß dieser Zusammenfügungsbereich ggf. mit einer Ofentürdichtung 22 abgedeckt ist.With similarly oriented approaches 24, 25, the bottom and ceiling wall parts 1 and 2. That becomes an essentially flat opening frame element in this area 21 flat and welded. Figure 2 shows that this merging area with a Oven door seal 22 is covered.

Aus den Figuren 2 und 3 ist auch eine Variante zur Figur 1 angedeutet ersichtlich. Gemäß Figur 1 ist die Rückwand platinenartig durchgehend ausgebildet und schließt die Ofenmuffei endgültig ab. Gemäß Figur 2 ist diese Rückwand 9' als Zwischenwandung vorgesehen, hinter der noch ein Heißluftkasten 23 angefügt wird. Somit muß auch in diesem Falle die Rückwand mit Lochungen bzw. Schlitzen für den Durchtritt der Luft zum und vom Heißluftgebläse ausgestattet sein.A variant of FIG. 1 is also shown in FIGS. 2 and 3 indicated. According to Figure 1, the rear wall is like a board trained throughout and closes the furnace sleeve definitely. According to Figure 2, this rear wall 9 'as Partition wall provided, behind which is still a hot air box 23 is added. So in this case too Back wall with perforations or slots for the passage of the Air to and from the hot air blower.

Claims (5)

  1. Baking oven muffle, consisting of individual wall parts connected together in overlapping manner and an opening at the front, characterised in that the base wall part (1) and/or the ceiling wall part (2) of the baking oven muffle has or have juxtaposed portions (5, 6, 10; 7, 8, 11) constructed to be drawn up towards to the interior of the muffle in the manner of a tub edge in the edges, which face the side wall parts (3, 6) and back wall part (9), to the said wall parts (3, 4, 9), and that the edge portions, which face the ceiling wall part (2) and/or the base wall part (1), of the side wall parts (3, 4) and the back wall part (9) are constructed to be substantially flat.
  2. Baking oven muffle according to claim 1, characterised in that the base, ceiling and side wall parts (1, 2, 3, 4) at the edges facing the frontal opening have edge portions (19, 20, 24, 25) directed at right angles away from these, and that these edge portions (19, 20, 24, 25) are connected with an opening frame element (21) substantially in this region.
  3. Baking oven muffle according to one of claims 1 and 2, characterised in that the side wall parts (3, 4) have wall portions (17, 18), which are oriented to be angled away in the plane to the back wall part (9), in the edges facing the back wall part (9), and that the back wall part (9) is formed with substantially flat edge portions.
  4. Baking oven muffle according to one of claims 1 to 3, characterised in that mounting openings (13, 14) for baking oven functional elements, such as grill heater body, thermosensor and lighting device, are arranged in the back wall part (3, 4) or the angled-away wall portions thereof.
  5. Baking oven muffle according to one of claims 1 and 4, characterised in that a corrugation (12), which is directed into the muffle interior, is impressed into the ceiling wall parallel to the frontal edge thereof.
EP94119594A 1993-12-23 1994-12-12 Cooking chamber Expired - Lifetime EP0660048B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4344336 1993-12-23
DE4344336A DE4344336A1 (en) 1993-12-23 1993-12-23 Oven muffle

Publications (3)

Publication Number Publication Date
EP0660048A2 EP0660048A2 (en) 1995-06-28
EP0660048A3 EP0660048A3 (en) 1998-12-02
EP0660048B1 true EP0660048B1 (en) 2001-03-14

Family

ID=6506109

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94119594A Expired - Lifetime EP0660048B1 (en) 1993-12-23 1994-12-12 Cooking chamber

Country Status (3)

Country Link
EP (1) EP0660048B1 (en)
DE (2) DE4344336A1 (en)
ES (1) ES2157235T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19813786C2 (en) * 1998-03-27 2000-04-27 Bsh Bosch Siemens Hausgeraete Oven with one-piece oven muffle
DE10314500C5 (en) * 2003-03-31 2020-06-04 BSH Hausgeräte GmbH Cooking appliance muffle
DE102007047003A1 (en) * 2007-10-01 2009-04-02 BSH Bosch und Siemens Hausgeräte GmbH Stackable molding
EP2381176B1 (en) * 2010-03-31 2019-01-09 Electrolux Home Products Corporation N.V. A method for producing oven muffles, an oven muffle and an oven comprising such oven muffle
EP2436986B1 (en) * 2010-09-30 2017-12-13 Electrolux Home Products Corporation N.V. Oven muffle with welding connection
IT201800005188A1 (en) * 2018-05-09 2019-11-09 Method of forming a coupling flange on a muffle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245615A (en) * 1979-04-30 1981-01-20 Magic Chef, Inc. Modular range construction
FR2561357B1 (en) * 1984-03-14 1989-06-16 Sofedem HOUSEHOLD OVEN CABINET AND MANUFACTURING METHOD THEREOF
DE3840344A1 (en) * 1988-11-30 1990-05-31 Bauknecht Hausgeraete Baking oven housing

Also Published As

Publication number Publication date
DE59409682D1 (en) 2001-04-19
ES2157235T3 (en) 2001-08-16
EP0660048A3 (en) 1998-12-02
EP0660048A2 (en) 1995-06-28
DE4344336A1 (en) 1995-06-29

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