EP2040006A1 - Backofen mit mindestens zwei Backräumen - Google Patents

Backofen mit mindestens zwei Backräumen Download PDF

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Publication number
EP2040006A1
EP2040006A1 EP07018685A EP07018685A EP2040006A1 EP 2040006 A1 EP2040006 A1 EP 2040006A1 EP 07018685 A EP07018685 A EP 07018685A EP 07018685 A EP07018685 A EP 07018685A EP 2040006 A1 EP2040006 A1 EP 2040006A1
Authority
EP
European Patent Office
Prior art keywords
oven according
locking
bar element
coupling means
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.)
Withdrawn
Application number
EP07018685A
Other languages
English (en)
French (fr)
Inventor
Armin Pojda
Mirko Gummersbach
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 EP07018685A priority Critical patent/EP2040006A1/de
Publication of EP2040006A1 publication Critical patent/EP2040006A1/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Withdrawn legal-status Critical Current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
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/022—Latches
    • 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
    • F24C14/00—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning
    • F24C14/02—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning pyrolytic type

Definitions

  • the invention relates to an oven, having at least two cooking cavities which are closable by doors, wherein locking means are arranged for locking the doors, especially during a pyrolytic operation in the cavities.
  • Ovens with more than one cavity are well-known in the art. It is also known to employ a pyrolytic process in the cavity in certain time intervals to clean the cavity. As the pyrolytic process takes place at quite high temperatures it is a safety demand to lock the door of the oven to prevent an unintended opening of the door.
  • DE 197 05 821 C1 discloses a locking device for an oven with one cavity by which the door of the cavity can be secured against unintended opening during the pyrolytic process.
  • a bar element is inserted into a reception provided in the door.
  • the bar element is pushed into the reception the door cannot be opened.
  • the oven has more than one cavity a respective number of locking devices is necessary to secure all doors of the oven during the pyrolytic process.
  • the costs rise correspondingly with the number of cavities and doors which must be secured by locking means.
  • the solution of this object according to the invention is characterized in that the locking means comprise a bar element which can engage into a reception for locking one of the doors, wherein the locking means further comprise coupling means which are actuated by the bar element and which lock the at least one other door when being actuated.
  • the coupling means comprise a second bar element which can engage into a second reception for locking a second door.
  • the coupling means can have a rod-shaped form.
  • a preferred embodiment suggests that the coupling means have a straight extension.
  • An alternative solution is characterized in that the coupling means have hook-shaped section forming the second bar element.
  • the rod-shaped coupling means can be arranged in a linear bearing. This linear bearing is preferably a sliding guide.
  • the coupling means can be biased in a first, unlocked position by elastic means.
  • the elastic means are preferably a spring, especially a coil spring. Furthermore, the elastic means can be able to keep the coupling means in an unlocked position when not being actuated by the bar element.
  • the second bar element can be equipped with a predetermined breaking point.
  • the bar element can be actuated by means of an electrical engine.
  • At least one door can have two parallel glass panes, wherein the coupling means are arranged between the glass panes.
  • the doors can be pivoted around a horizontal axis.
  • an oven 1 is schematically shown which has two cooking cavities 2 and 3, one arranged on top of the other.
  • Each cavity 2, 3 is closable by a door 4 and 5.
  • the doors 4, 5 are pivotably arranged at the housing of the oven 1; the pivot axis are denoted with reference numeral 17, i. e. the axes 17 are arranged horizontally around which the door 4, 5 can be swivelled.
  • locking means 6 are provided.
  • the locking means 6 comprise a bar element 7 which can be moved translatorically by an electrical engine 16 which is only shown schematically.
  • an arrow indicates the translatorical movement of the bar element 7 when it is moved from the unlocked position A shown in FIG 1 in the locked position B shown in FIG 2 .
  • the bar element 7 is pushed into a reception 8 in the door 4 to prevent the opening of the door 4.
  • coupling means 9 which have a substantial rod-like shape.
  • the coupling means 9 are a rod having a hook-shaped section 12 at the distal end remote from the bar element 7.
  • This hook-shaped section 12 forms a second bar element 10 which can be pushed into a second reception 11 in the second door 5 to lock this door simultaneously with the locking of the upper door 4.
  • the coupling means 9 are arranged in a linear bearing 13 (shown only very schematically in FIG 2 and FIG 3 ) which is designed as a slide guide to allow the coupling means 9 so move forth and back translatorically from the locked into the unlocked position and vice versa.
  • the coupling means 9 are free from outer forces exerted by the bar element 7 it remains in the unlocked position A (see FIG 1 ). This is made sure by an elastic means 14 which is designed as a coil spring in the depicted embodiment.
  • the coil spring 14 is biasing the coupling means 9 in the most upper position, i. e. in the unlocked position A when no external forces are exerted on it. If the bar element 7 pushes down the coupling means 9 the coil spring 14 is stretched (compare FIG 1 and FIG 2 ).
  • the second bar element 10 is equipped with a predetermined breaking point 15 for the case of an unexpected operating condition.
  • the locking means 6 comprise a bar element 7 which can engage into the reception 8 for locking the upper door 4, wherein the locking means 6 further comprise coupling means 9 which are actuated by the bar element 7 and which lock the lower door 5 when being actuated.
  • the coupling means 9 are a straight rod-like element here without a hook-shaped section at one end. Beside this the explanation given for FIG 1 and FIG 2 applies as well for the embodiment according FIG 3 and FIG 4 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electric Ovens (AREA)
EP07018685A 2007-09-24 2007-09-24 Backofen mit mindestens zwei Backräumen Withdrawn EP2040006A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07018685A EP2040006A1 (de) 2007-09-24 2007-09-24 Backofen mit mindestens zwei Backräumen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07018685A EP2040006A1 (de) 2007-09-24 2007-09-24 Backofen mit mindestens zwei Backräumen

Publications (1)

Publication Number Publication Date
EP2040006A1 true EP2040006A1 (de) 2009-03-25

Family

ID=39047687

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07018685A Withdrawn EP2040006A1 (de) 2007-09-24 2007-09-24 Backofen mit mindestens zwei Backräumen

Country Status (1)

Country Link
EP (1) EP2040006A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469568A (en) * 1968-05-31 1969-09-30 Roper Corp Geo D Door locking means and associated control circuit for self-cleaning oven
US3625197A (en) * 1969-07-31 1971-12-07 Licentia Gmbh Control device
US4082078A (en) * 1976-10-06 1978-04-04 Litton Systems, Inc. Pyrolytic lock assembly
US4300524A (en) * 1979-01-15 1981-11-17 Stephanie Elsasser Safety device for child-proof gas stove
US4623781A (en) * 1985-02-08 1986-11-18 Raytheon Company Double wall oven with safe limit temperature control
DE19705821C1 (de) * 1996-11-29 1998-07-02 Soremam Snc Verriegelungsvorrichtung für die Tür eines Backofens, insbesondere eines Backofens mit pyrolytischer Selbstreinigung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469568A (en) * 1968-05-31 1969-09-30 Roper Corp Geo D Door locking means and associated control circuit for self-cleaning oven
US3625197A (en) * 1969-07-31 1971-12-07 Licentia Gmbh Control device
US4082078A (en) * 1976-10-06 1978-04-04 Litton Systems, Inc. Pyrolytic lock assembly
US4300524A (en) * 1979-01-15 1981-11-17 Stephanie Elsasser Safety device for child-proof gas stove
US4623781A (en) * 1985-02-08 1986-11-18 Raytheon Company Double wall oven with safe limit temperature control
DE19705821C1 (de) * 1996-11-29 1998-07-02 Soremam Snc Verriegelungsvorrichtung für die Tür eines Backofens, insbesondere eines Backofens mit pyrolytischer Selbstreinigung

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