EP2035752B1 - Four - Google Patents

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Publication number
EP2035752B1
EP2035752B1 EP07765780.7A EP07765780A EP2035752B1 EP 2035752 B1 EP2035752 B1 EP 2035752B1 EP 07765780 A EP07765780 A EP 07765780A EP 2035752 B1 EP2035752 B1 EP 2035752B1
Authority
EP
European Patent Office
Prior art keywords
sealing element
profiles
oven
frame
door
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.)
Not-in-force
Application number
EP07765780.7A
Other languages
German (de)
English (en)
Other versions
EP2035752A2 (fr
Inventor
Levent Akdag
Asli Kayihan
Ahmet Bozgeyik
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP2035752A2 publication Critical patent/EP2035752A2/fr
Application granted granted Critical
Publication of EP2035752B1 publication Critical patent/EP2035752B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/021—Doors specially adapted for stoves or ranges sealings for doors or transparent panel

Definitions

  • the present invention relates to an oven wherein the efficiency is enhanced by decreasing thermal losses.
  • sealing elements of various geometric configurations made of various materials are used to block air inflow into the oven from the door and thus reduce thermal losses.
  • Sealing elements with complex profiles having cavities are preferred in order to maintain effective leak-proofing.
  • Attachment methods such as connection elements, adhesion, and snap-fitting can be used in order to mount the seals on the oven.
  • German patent no. DE10131009 a joining element is mounted in a trough formed all along the frame in contact with the door and the sealing element having a slit there along is engaged on this connection element.
  • This oven door provides effective leak-proofing.
  • the big joining element used gives rise to increase of costs and to assembly hardships.
  • German patent no. DE10119789 explains the service-opening (12) of the cooker (2) which is closed by a door (4) and has an elastic seal (6) on the front against an opening flange or on the inside of the door and fixed by fastenings (14).
  • the fastenings have a rail-part (26) and at least one hooked part (28) protruding from it and fitting into a cavity (30).
  • the seal covers the front side (34) of the rail-part which has a hooked reverse side (42).
  • the front side of the rail part has at least one bulge (46) over which the seal extends to form a door-fitting.
  • the object of the present invention is to design an oven comprising sealing elements that can be mounted rapidly and conveniently thus reducing thermal losses.
  • the oven designed to fulfill the objective of the present invention is an oven according to claim 1. It comprises a sealing element which is used to maintain an effective leak-proofing, having more than one profile with a thin band for connecting these together and a joining element that allows the assembly thereof such that the profiles will not slide and be parallel to each other along the frame of the oven.
  • the oven of the present invention comprises a cooking chamber wherein the food to be cooked is placed and a door that separates the cooking chamber from the outer environment, allowing the access of the user to the cooking chamber.
  • a door that separates the cooking chamber from the outer environment, allowing the access of the user to the cooking chamber.
  • a sealing element is mounted on the frame to provide an effective leak-proofing between the door and the frame.
  • the sealing element comprises at least two profiles and a connective band joining these together.
  • a groove is formed on the sealing element with at least some portion thereof corresponding to the connective band in order to mount the said sealing element on the frame.
  • At least one joining element is disposed in the groove.
  • the joining element comprises at least one arm inserted into the groove arranged on the sealing element and at least one tab that extends from the groove providing the joining element to be mounted on the frame.
  • the width of the joining element is approximately the same as the groove in which it will be placed. When the joining element is placed in the groove, it bears on the side walls of the groove, thus providing to secure the distance between the two profiles, hence preventing the movement of one profile with respect to the other.
  • Openings are formed at several points on the frame, preferably on the corners, sized and positioned such that the tabs can be inserted in order to mount the sealing element on the frame.
  • the oven (1) comprises a cooking chamber (2) wherein the food to be cooked is emplaced, a door (3) separating the cooking chamber (2) from the outside, providing access of the user to the cooking chamber (2), a frame (4) on which the door (3) bears when closed, a sealing element (6) mounted on the frame (4), to provide leak-proofing between the door (3) and the frame (4), having at least two profiles (7) and at least one connective band (11) joining the profiles (7) together and a joining element (12) providing the assembly of this sealing element (6) on the frame (4) ( Figure 1 ).
  • the sealing element (6) comprises at least one groove (10), with at least a portion thereof arranged on the connective band (11), into which the joining element (12) is disposed.
  • the connective band (11) where the approximate geometric and/or gravity center of the sealing element (6) is also situated.
  • the connective band (11) is supported by the joining element (12) which is preferably made of a harder material than the sealing element (6).
  • the joining element (12) comprises at least one arm (13) secured into the grooves (10) arranged on the sealing element (6) and at least one tab (14) disposed on the arm (13) that extends out from the groove (10) providing the joining element (12) to be fixed to the frame (4) ( Figures 3, 4, and 5 )
  • the width of the joining element (12) is such that it will bear on the side walls of the groove (10) when disposed into the groove (10) so that the distance between the two profiles (7) is secured, preventing the movement of one of the profiles (7) with respect to the other.
  • the joining element (12), and the sealing element (6) attached thereto, are fixed on the frame (4) at several places, preferably from the corners.
  • the oven (1) comprises at least one opening (5) at every fixing point on the frame (4) through which the tabs (14) can be inserted ( Figure 2 ).
  • the tab (14) is in the shape of a hook or a metal rod with the tip bent angularly.
  • the tab (14) is configured, for example like a mushroom, such that it can be fitted into the opening by snap-fitting.
  • the sealing element (6) comprises cavities (8) formed inside like cut-outs at each profile (7) for increasing insulation and providing savings in material costs.
  • the insulating property of air is taken advantage of in the cavities (8) filled with air ( Figures 6 and 8 ).
  • the sealing element (6) comprises at least one lip (9) arranged on its side contacting the door (3), with one end attached to the profile (7) and the other end shaped like a free extension, for the purpose of providing a better coupling between the door (3) and the frame (4) to prevent air flow from the outside into the cooking chamber (2).
  • the sealing element (6) is mounted relatively to the door (3) such that the lip (9) extends from the outer body of the oven (1) towards the cooking chamber (2) ( Figures 6 and 8 ).
  • the sealing element (6) includes two lips (9) thereon.
  • One of these lips (9) extends from one profile (7) to the other such that it will correspond to be on the connective band (11) situated between the two profiles (7).
  • this lip (9) forms an insulation volume by closing the region between the two profiles (7) that is, covering over the connective band (11). Consequently, less material is used than when the same volume is formed by another profile (7), however effective insulation is maintained by means of benefiting from the insulating property of air ( Figures 6 and 8 ).
  • the sealing element (6) comprises a groove (10) only formed inside the connective band (11).
  • the joining element (12) used in this embodiment comprises a single arm (13).
  • the arm (13) is fitted into the groove (10) in the connective band (11) thus limiting the movement of the profiles (7) with respect to each other ( Figure 6 ).
  • the groove (10) formed in the connective band (11) of the sealing element (6) also continues on towards the profiles (7) on the two sides of the connective band (11) or grooves (10) are provided in the profiles (7) as well as the groove (10) in the band (11).
  • the joining element (12) used in this embodiment comprises at least two arms (13) and a bridge (15) that joins these arms (13). As the arms (13) are fitted into the grooves (10) in the profiles (7), the bridge (15) is fitted into the groove (10) in the connective band (11).
  • the bridge (15) restricts the movement of the two profiles (7) with respect to each other thus prevents the probable losses in insulation due to the sliding of the profiles (7) ( Figure 7 ).
  • the sealing element (6) is produced as a single piece. It is mounted on the oven (1) such that the frame (4) is encircled from at least three sides.
  • the sealing element (6) used in another embodiment of the present invention has multiple pieces which are joined by a method such as adhesion etc. after the joining element (12) is inserted therein.
  • the sealing element (6) used in the oven (1) of the present invention is produced of a material such as plastic, rubber by the extrusion method; the joining element (12) is preferably made of metal.
  • thermal losses are reduced thus providing a more efficient operation by solving the problem of sliding in some portion of the sealing element (6) encountered during the assembly of double-cavity (8) or complex profiled (7) sealing elements (6).

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)

Claims (7)

  1. Un four (1) comprenant une chambre de cuisson (2) dans laquelle les aliments à cuire sont placés, une porte (3) qui sépare la chambre de cuisson (2) de l'extérieur et qui permet à l'utilisateur d'accéder la chambre de cuisson (2), un cadre (4) sur lequel la porte (3) s'appuie lorsqu'elle est fermée, un élément d'étanchéité (6) qui est monté sur le cadre (4) afin de permettre l'étanchéité entre la porte (3) et le cadre (4) et qui présente au moins deux profilés (7) et au moins une bande conjonctive (11) qui joint les profilés (7) les uns les autres, et un élément de liaison (12) qui permet à l'élément d'étanchéité (6) d'être monté sur le cadre (4), par lequel l'élément d'étanchéité (6) présente au moins une rainure (10) dont au moins une partie est arrangée sur l'au moins une bande conjonctive (11) pour la fixation de l'élément de liaison (12), caractérisé par l'élément d'étanchéité (6) comprenant des rainures indépendantes (10) dans l'au moins une bande conjonctif (11) et l'au moins deux profilés (7).
  2. Un four (1) selon l'une quelconque des revendications précédentes, caractérisé par l'élément de liaison (12) comprenant au moins un bras (13) qui est placé dans l'au moins une rainure (10) arrangée dans l'élément d'étanchéité (6) et au moins une languette (14) qui est disposée sur l'au moins un bras (13), qui s'étend vers l'extérieur à partir de l'au moins une rainure (10), permettant la fixation de l'élément de liaison (12) sur le cadre (4).
  3. Un four (1) selon l'une quelconque des revendications précédentes, caractérisé par l'élément de liaison (12) comprenant au moins deux bras (13) et un pont (15) qui joint les au moins deux bras (13) les uns les autres.
  4. Un four (1) selon la Revendication 2, caractérisé par le cadre (4) comprenant des ouvertures (5) dans lesquelles l'au moins une languette (14) peut être insérée.
  5. Un four (1) selon l'une quelconque des revendications précédentes, caractérisé par l'élément d'étanchéité (6) comprenant au moins une cavité (8) qui est formée dans au moins un de ses profilés (7), définie le long de l'au moins deux profilés (7) en forme de découpe afin d'augmenter l'isolation et permettre une réduction des coûts des matériaux.
  6. Un four (1) selon l'une quelconque des revendications précédentes, caractérisé par l'élément d'étanchéité (6) comprenant au moins une lèvre (9) qui est arrangée sur son côté en contact avec la porte (3), dont l'une extrémité est fixée aux au moins deux profilés (7) et l'autre extrémité est en forme d'une extension libre, s'étendant dans la chambre de cuisson afin de permettre un meilleur couplage entre la porte (3) et le cadre (4) dans le but d'empêcher l'écoulement de l'air à partir de l'extérieur dans la chambre de cuisson (2).
  7. Un four (1) selon la Revendication 6, caractérisé par l'au moins une lèvre (9) qui s'étend à partir d'un profilé (7) vers l'autre de manière à rester sur l'au moins une bande conjonctive (11) située entre les au moins deux profilés (7) et de telle sorte que, alors que la porte (3) s'appuie sur l'élément d'étanchéité (6), elle forme un volume d'isolation en fermant la région entre les au moins deux profilés (7), c'est-à-dire, couvrant l'au moins une bande conjonctive (11).
EP07765780.7A 2006-07-04 2007-07-04 Four Not-in-force EP2035752B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200603431 2006-07-04
PCT/EP2007/056705 WO2008003708A2 (fr) 2006-07-04 2007-07-04 Four

Publications (2)

Publication Number Publication Date
EP2035752A2 EP2035752A2 (fr) 2009-03-18
EP2035752B1 true EP2035752B1 (fr) 2015-10-14

Family

ID=38894919

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07765780.7A Not-in-force EP2035752B1 (fr) 2006-07-04 2007-07-04 Four

Country Status (2)

Country Link
EP (1) EP2035752B1 (fr)
WO (1) WO2008003708A2 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4417420A (en) * 1981-02-11 1983-11-29 Marsh Industries, Inc. Door seal
DE3439336A1 (de) * 1984-10-26 1986-05-07 Metzeler Kautschuk GmbH, 8000 München Tuerdichtung fuer einen backofen
DE3870467D1 (en) * 1987-01-21 1992-06-04 Giat S.R.L., Cinisello Balsamo, Mailand/Milano, It Gasket for cooking oven doors
DE10119789A1 (de) * 2001-04-23 2002-10-24 Bsh Bosch Siemens Hausgeraete Haushaltsgerät, insbesondere Gargerät

Also Published As

Publication number Publication date
WO2008003708A3 (fr) 2008-05-08
EP2035752A2 (fr) 2009-03-18
WO2008003708A2 (fr) 2008-01-10

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