EP2093498A1 - Backofen - Google Patents

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Publication number
EP2093498A1
EP2093498A1 EP08003178A EP08003178A EP2093498A1 EP 2093498 A1 EP2093498 A1 EP 2093498A1 EP 08003178 A EP08003178 A EP 08003178A EP 08003178 A EP08003178 A EP 08003178A EP 2093498 A1 EP2093498 A1 EP 2093498A1
Authority
EP
European Patent Office
Prior art keywords
door
cooking oven
oven
closing
sliding bars
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.)
Withdrawn
Application number
EP08003178A
Other languages
English (en)
French (fr)
Inventor
Tobias Weber
Dietmar Hildner
Bernd Heisswolf
Reinhold Hofmann
Harald Pörner
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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 Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP08003178A priority Critical patent/EP2093498A1/de
Publication of EP2093498A1 publication Critical patent/EP2093498A1/de
Withdrawn legal-status Critical Current

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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
    • F24C15/16—Shelves, racks or trays inside ovens; Supports therefor
    • F24C15/162—Co-operating with a door, e.g. operated by the door
    • 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

Definitions

  • the present invention relates to a cooking oven comprising a cabinet defining an oven cavity with a charging opening for charging the oven cavity with foodstuff to be cooked; a drawer-like door for optionally opening and closing said charging opening in a substantially horizontal direction; and a sealing gasket arranged between the door and the oven cavity.
  • Cooking ovens of the above-mentioned type are already known.
  • One problem to be solved with respect to such cooking ovens is to provide - in the closed state of the door - a tight sealing between the door and the cabinet by means of the sealing gasket in order to prevent the escape of moisture generated within the oven cavity during cooking procedures. Accordingly, a door closing force needs to be provided, which is high enough to guarantee a proper functioning of the sealing gasket.
  • DE-U-20 2007 007 450 describes a cooking oven comprising a cabinet defining an oven cavity with a charging opening for charging the oven cavity with foodstuff to be cooked; a drawer-like door for optionally opening and closing said charging opening in a substantially horizontal direction; and a sealing gasket arranged between the door and the oven cavity.
  • the door is fixed to sliding bars, which slide in guiding rails in order to realize the horizontal opening and closing movement of the door.
  • a closing device generating a closing force for closing the door is arranged at the guiding rails, which cooperates with the slide bars. This closing device comprises spring elements fixed to the rearmost portions of the guiding rails.
  • the cooking oven further comprises an attenuating means or damper, which counteracts the closing force of the closing device.
  • the extraction length of the door is shortened due to the fact, that the closing device is arranged between the back wall of the cabinet and the sliding bars. Moreover, since the installation space of the closing device is in turn limited due to a minimum extraction length of the door, it may happen, that the closing device cannot guarantee a closing force, which is strong enough to ensure a proper functioning of the sealing gasket, in particular when an attenuation means is provided, which counteracts the closing force of the closing device.
  • the present invention provides a cooking oven comprising a cabinet defining an oven cavity with a charging opening for charging the oven cavity with foodstuff to be cooked; a drawer-like door for optionally opening and closing said charging opening in a substantially horizontal direction; and a sealing gasket arranged between the door and the cabinet for sealing the cavity in the closed state of the door.
  • the cooking oven further comprises at least one magnet, which cooperates with at least one magnetic component of the cooking oven and is arranged in such a manner that it contributes to a closing force of the door in its closed state in order to assure a proper functioning of the sealing gasket.
  • magnets do not require as much installation space, which is advantageous with respect to the extraction length of the drawer-like door. Moreover, the strength and the number of the magnets can be easily adapted to the closing force of individual oven door designs, which is necessary for assuring a proper functioning of the sealing gasket. This adjustability of the door closing force is also advantageous with respect to the solution of DE A 102 53 158 .
  • the at least one magnet is a permanent magnet.
  • electromagnets could be used as well.
  • the at least one magnet - in the closed state of the door - is spaced from the cooperating magnetic component by a predetermined distance.
  • a distance between the at least one magnet and the cooperating component ensures a silent closing operation of the door, because there will be no noise generated due to an abutment of these elements.
  • these elements cannot form a stopper with respect to the closing movement of the door, which could interfere with a proper sealing of the door by means of the sealing gasket.
  • the distance is at least 0,5 to 2 mm.
  • the door is fixed to sliding bars, which slide in guiding rails in order to realize the essentially horizontal opening and closing movement of the door.
  • the door is fixed to the sliding bars in such a manner, that it substantially does not project from the sliding bars with respect to their longitudinal extension.
  • the door may be substantially arranged on the sliding bars, such that only the front wall of the door projects from the sliding bars with respect to their longitudinal extension to form a screen in order to achieve a nice appearance of the cooking oven.
  • the extension length of the drawer-like door is substantially not decreased in contrast to a construction, where the door is fixed to the front of the sliding bars.
  • At least one fin for receiving the door is preferably fixed to the end of each sliding bar, such that it projects upwards in a direction substantially at right angle to the longitudinal extension of the corresponding sliding bar. Accordingly, the door may be fixed to the fins by means of a plug-in connection or the like.
  • the cooking oven according to the present invention may have one or more additional closing means generating a closing force, which contributes to the closing force of the door achieved by the magnets.
  • each of the guiding rails may be at least partially inclined towards its rearmost free end in a downward direction relative to the horizontal, such that the self-weight of the door contributes to the closing force achieved by the magnets.
  • a closing means comprising a spring-like element, which draws the door in its closed position.
  • At least one attenuating means or damper is preferably provided, which attenuates the substantially horizontal opening and/or closing movement of the door in order to achieve a smooth operation thereof.
  • the at least one attenuating means comprises a stationary element and a movable element, which are moved relative to each other, when the door is opened or closed.
  • the stationary element preferably comprises a spring-like leg and the movable element is formed as a break shoe, which displaces the spring-like leg bit by bit during the relative movement of the elements. This arrangement can be realized as a simple construction with little installation room.
  • the stationary element may comprise a stopper for stopping the relative movement of the elements, in particular when the attenuating means is provided for damping the last part of the opening movement of the door.
  • the sealing gasket serves as the only stopper for limiting the closing movement of the drawer-like door. This ensures, that the closing movement of the door is not stopped by means of another stopper before the proper functioning of the sealing gasket is achieved.
  • a panel sheet is preferably provided between the sliding bars in order to receive foodstuff and/or fluids falling from baking trays, which are arranged above the panel sheet.
  • FIG 1 is a sectional side view of an embodiment of a cooking oven 10 according to the present invention
  • FIG 2 and 3 are enlarged views of the circular sections II and III shown in FIG 1
  • the cooking oven 10 comprises a cabinet 12 defining an oven cavity 14.
  • the oven cavity 14 has a charging opening 1 for charging and discharging food-items to be cooked into and out of the oven cavity 14.
  • the cooking oven 10 comprises a door 18 for opening and closing the charging opening 16.
  • the door 18 has a front wall 20 with a handle 21 and a back wall 22, which faces the oven cavity 14.
  • the door 18 is formed as a drawer-like door, which can be opened and closed in a substantially horizontal direction.
  • the door 18 is attached to the free ends of two sliding bars 24, which are received in two corresponding guiding rails 26 arranged beneath the oven cavity 14. Accordingly, the door 18 may perform a horizontal back and forth movement together with the sliding bars 24, which slide along the guiding rails 26.
  • each of sliding bars 24 has a U-shaped cross-section, in which rollers (not shown) are received, and each of the guiding rails 26 has a U-shaped cross-section sized to receive a sliding bar 24 therein.
  • the door 18 is attached to the top side of the sliding bars 24 in such a manner, that only the front wall 20 of the door 18 projects from the free ends of the sliding bars 24 with respect to their longitudinal extensions, whereas the front wall 20 serves as a screen for covering the sliding bars 24 and guiding rails 26 when the cooking oven 10 is viewed from the front. Accordingly, such an arrangement of the door 18 on top of the sliding bars 24 does not increase the length of the sliding bars 24 in contrast to a structure, where the door is fixed to the front side of the sliding bars. Accordingly, the installation space for the sliding bars 24 within the cabinet 12 of the oven can be optimally exploited.
  • FIG 4 is an enlarged front view
  • FIG 5 is an enlarged side view of the cooking oven 10 shown in FIG 1 , whereas the cabinet 12 and the door 18 are omitted for illustrative purposes.
  • the fins 28 extend upwards from the sliding bars 24 in such a manner, that the door 18 can be easily plugged on the fins 28 in order to firmly attach the door 18 at the sliding bars 24.
  • a sealing gasket 32 is fixed to the cabinet 12 around the charging opening 16 in order to provide a sealing between the back wall 22 of the door 18 and the oven cavity 14.
  • the sealing gasket 32 shall prevent, that moisture generated during a cooking procedure can escape from the inside of the oven cavity 14.
  • a door closing force needs to be provided in order to press the back wall 22 of the door 18 tightly against the sealing gasket to achieve a proper functioning of the sealing gasket 32.
  • This door closing force is generated by means of magnets 34, which are arranged at the rearmost end of guiding rails 26 and cooperate - when the door 18 is located in its closed position - with the rearmost free ends of the sliding bars 24 made of a magnetic material (magnetic components).
  • the magnets 34 and the rearmost free ends of the sliding bars 24 are spaced from each other by a predetermined distance d, e.g. 0,5 to 2 mm.
  • This distance d ensures a silent closing of the door 18, because the sliding bars 24 will not abut against the magnets 34.
  • the distance d eliminates the possibility, that the sliding bars 24 abut against the magnets 34 before the back wall 22 properly engages the sealing gasket 32 in order to guarantee the required sealing performance.
  • the door closing force provided by the magnets depends on the magnetic strength, the size and the number of the magnets 34, which are provided for this reason. Thus, the required closing force can be easily adjusted to different cooking oven designs.
  • two attenuation means 36 are provided, which are described in more detail below with reference to FIG 6 to 8 .
  • FIG 6 is an enlarged top view of the cooking oven 10 shown in FIG 1 in the closed state of the door 18
  • FIG.7 is an enlarged top view of the cooking oven 10 shown in FIG 1 in the opened state of the door 18, whereas the illustration of the cabinet 12 is omitted in FIG 6 and 7
  • FIG 8 is an enlarged view of the circular section VIII in FIG 7 .
  • Each of the attenuation means 36 comprises a stationary element 38 and a movable element 40.
  • Each stationary element 38 is made of a metal or plastic material and includes a spring-like elastic leg 42.
  • One end of the elastic leg 42 is fixed above an outer leg of a corresponding U-shaped guiding rail 26 at a position close to the front end of the guiding rail 26 in such a manner, that the elastic leg 42 extends to the front side of the cooking oven 10 in an angle ⁇ with respect to the guiding rail 42.
  • the elastic 42 leg increasingly projects from the outer leg of the corresponding U-shaped guiding rail 26 towards its free end 43. This free end of the elastic leg 42 is bent inwardly in order to create a stopper, as it will be explained below.
  • Each movable element 40 is fixed on top of the rearmost end of one of the sliding bars 24. Accordingly. The movable elements 40 follow the movements of the sliding bars 24.
  • Each of the movable elements 40 comprises a brake shoe 44 made of a plastic material, which is arranged at the same height as the elastic leg 42 of the stationary element 38.
  • a panel sheet 46 is fixed on the sliding bars 24, which also reinforces the structure of the sliding bars 24 and their relative position to each other.
  • the structure of the sliding bars and the guiding rails is not limited to the one described above.
  • the guiding rails may be inclined downwards towards the backside of the oven, as it is described in DE-A-102 53 158 -
  • additional closing means may be provided, which generate a force contributing to the closing force of the door.
  • Such additional closing means may comprise a spring-like element as the one disclosed in DE-U-20 2007 007 450 .
  • more or less than two attenuating means can be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)
EP08003178A 2008-02-21 2008-02-21 Backofen Withdrawn EP2093498A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08003178A EP2093498A1 (de) 2008-02-21 2008-02-21 Backofen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08003178A EP2093498A1 (de) 2008-02-21 2008-02-21 Backofen

Publications (1)

Publication Number Publication Date
EP2093498A1 true EP2093498A1 (de) 2009-08-26

Family

ID=39572756

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08003178A Withdrawn EP2093498A1 (de) 2008-02-21 2008-02-21 Backofen

Country Status (1)

Country Link
EP (1) EP2093498A1 (de)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2036827A1 (de) * 1970-07-24 1972-01-27 Siemens Elektrogeraete Gmbh Back- und Bratrohr
JPH02309135A (ja) 1989-05-23 1990-12-25 Matsushita Electric Ind Co Ltd 調理器の扉開閉装置
EP0443329A2 (de) * 1990-02-21 1991-08-28 BOSCH-SIEMENS HAUSGERÄTE GmbH Backofen
DE9211953U1 (de) * 1992-09-04 1992-10-22 Bosch-Siemens Hausgeräte GmbH, 8000 München Vorrichtung für eine Backofenmuffel
EP1420210A1 (de) * 2002-11-14 2004-05-19 BSH Bosch und Siemens Hausgeräte GmbH Backofen
DE10253158A1 (de) 2002-11-14 2004-05-27 BSH Bosch und Siemens Hausgeräte GmbH Backofen
JP2006308253A (ja) * 2005-04-28 2006-11-09 Matsushita Electric Ind Co Ltd 加熱調理器
JP2007139248A (ja) * 2005-11-16 2007-06-07 Matsushita Electric Ind Co Ltd ガス調理器
DE202007007450U1 (de) 2007-05-25 2007-08-02 BSH Bosch und Siemens Hausgeräte GmbH Einzugsdämpfung für Schienensystem
JP2008025903A (ja) 2006-07-20 2008-02-07 Toshiba Corp 加熱調理器

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2036827A1 (de) * 1970-07-24 1972-01-27 Siemens Elektrogeraete Gmbh Back- und Bratrohr
JPH02309135A (ja) 1989-05-23 1990-12-25 Matsushita Electric Ind Co Ltd 調理器の扉開閉装置
EP0443329A2 (de) * 1990-02-21 1991-08-28 BOSCH-SIEMENS HAUSGERÄTE GmbH Backofen
DE9211953U1 (de) * 1992-09-04 1992-10-22 Bosch-Siemens Hausgeräte GmbH, 8000 München Vorrichtung für eine Backofenmuffel
EP1420210A1 (de) * 2002-11-14 2004-05-19 BSH Bosch und Siemens Hausgeräte GmbH Backofen
DE10253158A1 (de) 2002-11-14 2004-05-27 BSH Bosch und Siemens Hausgeräte GmbH Backofen
JP2006308253A (ja) * 2005-04-28 2006-11-09 Matsushita Electric Ind Co Ltd 加熱調理器
JP2007139248A (ja) * 2005-11-16 2007-06-07 Matsushita Electric Ind Co Ltd ガス調理器
JP2008025903A (ja) 2006-07-20 2008-02-07 Toshiba Corp 加熱調理器
DE202007007450U1 (de) 2007-05-25 2007-08-02 BSH Bosch und Siemens Hausgeräte GmbH Einzugsdämpfung für Schienensystem

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