EP2333424B1 - Herdtür mit belüftung für einen haushaltsherd - Google Patents

Herdtür mit belüftung für einen haushaltsherd Download PDF

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Publication number
EP2333424B1
EP2333424B1 EP09015285.1A EP09015285A EP2333424B1 EP 2333424 B1 EP2333424 B1 EP 2333424B1 EP 09015285 A EP09015285 A EP 09015285A EP 2333424 B1 EP2333424 B1 EP 2333424B1
Authority
EP
European Patent Office
Prior art keywords
door
oven
channel
oven door
vented
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.)
Active
Application number
EP09015285.1A
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English (en)
French (fr)
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EP2333424A1 (de
Inventor
Cedric Catalogne
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
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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 EP09015285.1A priority Critical patent/EP2333424B1/de
Priority to PCT/EP2010/007530 priority patent/WO2011069667A1/en
Publication of EP2333424A1 publication Critical patent/EP2333424A1/de
Application granted granted Critical
Publication of EP2333424B1 publication Critical patent/EP2333424B1/de
Active 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
    • F24C15/006—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

Definitions

  • the present invention relates to a vented oven door for a domestic cooking oven according to the preamble of claim 1. Further, the present invention relates to a domestic cooking oven with a vented oven door according to the preamble of claim 7.
  • the vented oven door of the cooking oven allows low temperatures at the outer side of the oven door, so that there is no danger of being burnt for the user of the cooking oven.
  • the heat transfer from an inner glass panel being in contact with the oven cavity to an outer glass panel being in contact with the ambient is a combination of three different heat transfer modes. There is heat radiation from the surfaces of the inner glass panel, heat convection within the inner space of the oven door and heat conduction within the glasses of the glass panels.
  • EP 1 972 855 A1 discloses a cooking oven with an air cooled oven door.
  • the oven door includes an inner and outer door channel.
  • the inner door channel is connected to the suction side of air moving means, so that an air flow rises through said inner door channel to a suction duct of the air moving means. Then the air stream is blown out by the air moving means, wherein said air stream passes an upper end of the outer door channel without passing through the outer door channel.
  • EP 0 964 208 A1 discloses a cooking oven with an air cooled oven door including an inner and an outer door channel.
  • the inner and outer door channels are connected to the same components in each case.
  • the inner and outer door channels are both connected to a suction of a cooling channel.
  • the inner and outer door channels are both connected to the ambient and an exhaust of the cooling channel.
  • EP 1 726 883 A1 describes a cooking oven having at least three glass panels forming two air passages for cooling the door.
  • US 5 918 589 describes a broil oven with a door having a door partition which splits the incoming air so that the inner air goes through the oven door near the oven cavity. A portion of the airflow travels on the front side of the partition and exits the door through a plurality of slits.
  • EP 1 731 843 A2 describes an oven that is capable of discharging hot air generated when cooling a door and heat generated in a cooking chamber through the lower end of the door.
  • the object of the present invention is achieved by the vented oven door for a domestic cooking oven according to claim 1.
  • at least one upper opening of at least one inner door channel is connected or connectable to the ambient on the one hand and an exhaust of the cooling channel on the other hand in the closed state of the oven door, so that an inner air stream from the inner door channel is entrained by the air from the exhaust and runs into the ambient.
  • the main idea of the present invention is the forced heat convection in the outer door channel of the oven door on the one hand and the entrainment of the air stream from the inner door channel by the air stream from the cooling channel on the other hand. Additionally, the air stream from the inner door channel is driven by the natural heat convection flow due to the temperature gradient. This constellation allows an intensive cooling process in the outer portion of the oven door and prevents an intensive cooling down of the inner side of oven door, so that energy can be saved.
  • the oven door comprises a door cap defining at least one upper opening of the outer door channel.
  • the oven door may comprise a door cap defining at least one upper opening of the inner door channel.
  • the door cap is producible by low costs.
  • At least one of the door channels is aligned along a vertical direction. Further, at least one of the door channels may span nearly the complete width of the oven door. This contributes to an efficient cooling down.
  • the glass panels are arranged plane-parallel.
  • the glass panels may be slanted, so that the cross section of the door channels can vary.
  • the object of the present invention is further achieved by a domestic cooking oven according to claim 7.
  • the domestic cooking oven according to the present invention comprises a vented oven door and a cooling channel with air moving means, at least one suction and at least one exhaust, the cooking oven comprises at least one oven door as described above.
  • the cooling channel is arranged on a top wall of an oven cavity.
  • FIG 1 illustrates a schematic sectional side view of an upper portion of a vented oven door 10 for a domestic oven according to a preferred embodiment of the present invention.
  • the oven door 10 is a closed state.
  • the oven door 10 includes an outer glass panel 12, a central glass panel 14 and an inner glass panel 16.
  • the outer glass panel 12, the central glass panel 14 and the inner glass panel 16 are arranged plane-parallel to each other.
  • An outer door channel 18 is arranged between the outer glass panel 12 and the central glass panel 14.
  • an inner door channel 20 is arranged between the central glass panel 14 and the inner glass panel 16.
  • the outer door channel 18 and the inner door channel 20 are aligned along vertical directions within the oven door 10.
  • the outer door channel 18 and the inner door channel 20 span nearly the complete width of the oven door 10.
  • a door cap 22 is arranged on the upper side of the oven door 10.
  • the structure of the door cap 22 defines the upper openings of the outer door channel 18 and the inner door channel 20.
  • the upper opening of the outer door channel 18 is substantially directed to the inner side of the oven door 10.
  • the upper opening of the inner door channel 20 is directed to the outer side of the oven door 10 and to the ambient.
  • a cooling channel with air moving means is arranged on the top wall of the oven cavity.
  • a suction 24 and an exhaust 26 of the cooling channel are arranged above an opening of the oven cavity.
  • the suction 24 of the cooling channel is arranged besides the upper end of said oven door 10.
  • the exhaust 26 of the cooling channel is arranged above the upper end of the oven door 10 in the closed state of said oven door 10.
  • the suction 24 and the exhaust 26 of the cooling channel span nearly the complete width of the oven door 10.
  • the upper opening of the inner door channel 20 is connected to the ambient on the one hand and to the exhaust 26 of the cooling channel on the other in the closed state of the oven door 10.
  • This constellation results in an entrainment of the air from the inner door channel 20 by the air stream form the exhaust 26.
  • the air from the inner door channel 20 is entrained to the ambient.
  • FIG 2 illustrates the schematic sectional side view of the upper portion of the vented oven door 10 with pictured airstreams 28, 30 and 32 according to the preferred embodiment of the present invention.
  • FIG 2 clarifies the runs of the airstreams 28, 30 and 32 form the oven door 10 and in the cooling channel.
  • FIG 2 shows the same sectional side view of the upper portion of the oven door 10 as in FIG 1 .
  • An outer air stream 28 from the outer door channel 18 runs into the suction 24 of the cooling channel. Said outer air stream 28 is driven by the air moving means of the cooling channel, so that forced heat convection occurs in the outer door channel 18.
  • An inner air stream 30 from the inner door channel 20 runs into the ambient, wherein said inner air stream 30 is entrained by a cooling air stream 32 from the exhaust 26.
  • Said cooling air stream 32 is driven by the air moving means of the cooling channel.
  • This constellation more heat convection occurs in the outer door channel 18 than in the inner door channel 20.
  • This allows the efficient cooling down of the oven door 10 on the one hand and prevents the intensive cooling down of the inner side of oven door 10.
  • a simplified variation of the present invention would be an oven door without the outer door channel 18.
  • the oven door according to said variation includes only the central glass panel 14, the inner glass panel 16, the inner channel 20 and optionally the door cap 22.
  • the cooling effect will be obtained by the entrainment of the inner air stream 30 and by the natural convection flow in the inner channel 20.

Landscapes

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

Claims (8)

  1. Herdtür mit Belüftung für einen Haushaltsherd, wobei:
    - die Herdtür (10) mindestens drei Glasplatten (12, 14, 16) aufweist,
    - der Innenraum der Herdtür (10) durch die mindestens drei Glasplatten (12, 14, 16) in mindestens zwei Türkanäle (18, 20) unterteilt ist, und
    - mindestens eine obere Öffnung von mindestens einem äußeren Türkanal (18) mit einer Ansaugung (24) eines Kühlkanals mit Luftbewegungsmitteln in einem geschlossenen Zustand der Herdtür (10) verbunden oder verbindbar ist, sodass ein Außenluftstrom (28) vom äußeren Türkanal (18) in die Ansaugung (24) des Kühlkanals läuft,
    dadurch gekennzeichnet, dass
    - mindestens eine obere Öffnung von mindestens einem inneren Türkanal (20) im geschlossenen Zustand der Herdtür (10) mit der Umgebung auf der einen Seite und einem Auslass (26) des Kühlkanals auf der anderen Seite verbunden oder verbindbar ist, sodass ein Innenluftstrom (30) vom inneren Türkanal (20) durch die Luft vom Auslass (26) mitgenommen wird und in die Umgebung läuft.
  2. Herdtür mit Belüftung nach Anspruch 1,
    dadurch gekennzeichnet, dass
    die Herdtür (10) eine Türkappe (22) aufweist, die mindestens eine obere Öffnung des äußeren Türkanals (18) definiert.
  3. Herdtür mit Belüftung nach einem der Ansprüche 1 oder 2,
    dadurch gekennzeichnet, dass
    die Herdtür (10) eine Türkappe (22) aufweist, die mindestens eine obere Öffnung des inneren Türkanals (20) definiert.
  4. Herdtür mit Belüftung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass
    mindestens einer der Türkanäle (18, 20) entlang einer vertikalen Richtung ausgerichtet ist.
  5. Herdtür mit Belüftung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass
    mindestens einer der Türkanäle (18, 20) nahezu die vollständige Breite der Herdtür (10) überspannt.
  6. Herdtür mit Belüftung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass
    die Glasplatten (12, 14, 16) planparallel angeordnet sind.
  7. Haushaltsherd, aufweisend eine Herdtür mit Belüftung und einen Kühlkanal mit Luftbewegungsmitteln, mindestens einer Ansaugung (24) und mindestens einem Auslass (26),
    dadurch gekennzeichnet, dass
    der Herd mindestens eine Herdtür (10) nach einem der Ansprüche 1 bis 6 aufweist.
  8. Haushaltsherd nach Anspruch 7,
    dadurch gekennzeichnet, dass
    der Kühlkanal an einer oberen Wand eines Herdhohlraums angeordnet ist.
EP09015285.1A 2009-12-10 2009-12-10 Herdtür mit belüftung für einen haushaltsherd Active EP2333424B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09015285.1A EP2333424B1 (de) 2009-12-10 2009-12-10 Herdtür mit belüftung für einen haushaltsherd
PCT/EP2010/007530 WO2011069667A1 (en) 2009-12-10 2010-12-10 A vented oven door for a domestic cooking oven

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09015285.1A EP2333424B1 (de) 2009-12-10 2009-12-10 Herdtür mit belüftung für einen haushaltsherd

Publications (2)

Publication Number Publication Date
EP2333424A1 EP2333424A1 (de) 2011-06-15
EP2333424B1 true EP2333424B1 (de) 2018-09-05

Family

ID=42342568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09015285.1A Active EP2333424B1 (de) 2009-12-10 2009-12-10 Herdtür mit belüftung für einen haushaltsherd

Country Status (2)

Country Link
EP (1) EP2333424B1 (de)
WO (1) WO2011069667A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014201424A1 (de) * 2014-01-27 2015-07-30 BSH Hausgeräte GmbH Gargerät mit einem Luftschacht und einem Zuleitkanal
EP3333490B1 (de) * 2016-12-07 2021-07-14 Electrolux Appliances Aktiebolag Backofen mit einer tür
CN111096685B (zh) * 2018-10-25 2022-07-26 宁波方太厨具有限公司 一种嵌入式烤箱

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2720522B2 (ja) * 1989-06-09 1998-03-04 松下電器産業株式会社 加熱装置
US5918589A (en) * 1996-05-10 1999-07-06 Whirlpool Corporation Low moisture/closed door broil oven ventilation system
FR2779510B1 (fr) * 1998-06-09 2000-09-01 Europ Equip Menager Porte froide de four de cuisson
DE10307086A1 (de) * 2003-02-19 2004-09-09 Electrolux Home Products Corporation N.V. Garofen
FR2886378B1 (fr) * 2005-05-26 2007-08-03 Brandt Ind Sas Ventilation d'une porte de four
KR101207301B1 (ko) * 2005-06-10 2012-12-03 삼성전자주식회사 오븐
EP1972855B1 (de) 2007-03-22 2013-08-14 Franke Technology and Trademark Ltd Backofen mit luftgekühlter Tür

Also Published As

Publication number Publication date
EP2333424A1 (de) 2011-06-15
WO2011069667A1 (en) 2011-06-16

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