(19) |
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(11) |
EP 2 072 904 A2 |
(12) |
EUROPEAN PATENT APPLICATION |
(43) |
Date of publication: |
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24.06.2009 Bulletin 2009/26 |
(22) |
Date of filing: 01.12.2008 |
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(51) |
International Patent Classification (IPC):
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(84) |
Designated Contracting States: |
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AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL
PT RO SE SI SK TR |
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Designated Extension States: |
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AL BA MK RS |
(30) |
Priority: |
20.12.2007 SI 200700334
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(71) |
Applicant: Gorenje Gospodinjski aparati d.d. |
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3503 Velenje (SI) |
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(72) |
Inventors: |
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- Zaverla, Ales
3320 Velenje (SI)
- Rudolf, Mitja
3320 Velenje (SI)
- Krajnc, Tomaz
2382 Mislinja (SI)
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(74) |
Representative: Ivancic, Bojan |
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Inventio d.o.o.
Dolenjska cesta 11
P.O. Box 2410 1001 Ljubljana 1001 Ljubljana (SI) |
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(54) |
An oven with a door cooling system |
(57) The present invention refers to an oven with a door (1) cooling system comprising
at least two panels of glass, namely an external glass (2) provided on the exterior
of the oven, facing the user, and an internal glass (3) provided in the interior of
the oven, said door (1) being tightly pressed against the front wall (4) of the oven
when closed. The essence of the invention is represented by the fact that the front
wall (4) of the oven is formed in the area above the upper side (5) of the door (1)
with a plurality of ventilating apertures (10, 11, 12) and that the door (1) is formed
with ventilating apertures (13, 14) extending into the spacing between said two panels
of glass (2, 3) of the door (1). Here, the cooling air stream flows from the interior
of the oven through the ventilating apertures (10, 11, 12) and further through the
ventilating apertures (13, 14) into the spacing between said two panels of glass (2,
3) of the door (1) to the surroundings.
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[0001] The present invention refers to the field of household appliances, in particular
in the field of ovens and within this field to the cooling of the oven door.
[0002] An oven is disclosed in the publication of the European patent No.
EP 1 382 913 A1 comprising a body closed by a door, and a first and second air channel. Here, the
first channel extends at least in sections above both the oven and the door, and there
it reaches the interior where the first air stream is directed that has been created
by a fan. The second channel extends over the interior of the front door glass and
ends in the first channel, thus directing au upwardly flowing second air stream being
sucked out to the surroundings by the first air stream. The first inclined plane is
provided on the oven door rising from the direction of the oven towards the exterior
and all the way to the entrance of the second channel into the first channel. Said
inclined plane narrows the first channel at the highest point thereof and exceeds
the height of the front glass of the oven door.
[0003] A drawback of said known solution is that a stream of a clean cooling air and a stream
of air mixed with gases and vapours that are being sucked out of the oven mix together.
[0004] It is the object of the present invention to create an oven where the drawbacks relating
to the cooling of the oven door will be remedied.
[0005] The object as set above is solved in a manner that the front wall of the oven is
formed in the area above the upper side of the door with a plurality of ventilating
apertures through which flows both the stream of cooling air and the stream of air
that is mixed with the gases and vapours from the oven. The oven door is formed in
the area of the upper side thereof and over the entire width thereof with at least
one bulge being raised above said upper side.
[0006] It is provided for, according to the invention, that each said bulge is formed on
the side facing the front wall of the oven with a ventilating aperture extending into
the spacing between the two panels of glass in the oven door. The central ventilating
aperture of said plurality of ventilating apertures is arranged in the area between
said bulges of the oven door, whereas each lateral ventilating aperture of said plurality
of ventilating apertures is arranged in the front of each bulge on the door. Each
said ventilating aperture formed in each bulge is aligned with each lateral ventilating
aperture in the front wall of the door.
[0007] The invention will be more readily understood on reading the following description
with reference to the accompanying drawing where
- Fig. 1
- shows the door of an oven according to the invention, viewed from the interior of
the oven,
- Fig. 2
- shows the cross-section of the oven door according to the invention along the line
II-II,
- Fig. 3
- shows the cross-section of the oven door according to the invention along the line
III-III.
[0008] An oven according to the invention comprises a door 1 with at least two panels of
glass namely an external glass 2 provided on the exterior of the oven, facing the
user, and an internal glass 3 provided in the interior of the oven, said door 1 being
tightly pressed against the front wall 4 of the oven when closed. The door 1 is provided
in the area of the upper side 5 and over the entire width thereof with at least one
bulge and preferably with two bulges 6, 7 raised above said upper side 5 of the door
1 and arranged in the area of each vertical edge 8, 9 of the door 1. The front wall
4 of the oven is provided in the area above the upper side 5 of the door 1 with a
central ventilating aperture 10 and lateral ventilating apertures 11, 12, said central
ventilating aperture 10 being located in the area between said bulges 6, 7, whereas
each lateral ventilating aperture 11, 12 being located in front of each bulge 6, 7
of the door 1. Each bulge 6, 7 is formed on the side facing the front wall 4 of the
oven with a ventilating aperture 13, 14 extending into the spacing between said two
panels of glass 2, 3 of the door 1, said each ventilating aperture 13, 14 being aligned
with each lateral ventilating aperture 11, 12 in the front wall 4 of the door 1.
[0009] The cooling of the oven door according to the invention is carried out in the following
manner. A unit for conveying the cooling air and the sucking of the air mixed with
the gases and vapours from the oven, which is not described in detail since it is
the subject of another patent application, forces the stream of the air mixed with
the gases and vapours from the oven through the central ventilating aperture 10 in
the front wall 4 of the oven and into the surroundings. On the other hand, however,
said unit for conveying the cooling air and the sucking of the air mixed with the
gases and vapours from the oven, forces the cooling air stream through lateral ventilating
apertures 11, 12 in the front wall 4 of the oven, where said stream enters the spacing
between said two panels of glass 2, 3 of the door 1 through said ventilating apertures
13, 14 formed in the bulges 6, 7 in the upper side 5 of the oven door 1. The cooling
air stream flows downwardly along said two panels of glass 2, 3 of the door and exits
through an aperture not shown in the lower edge of the door 1 into the surrounding.
In this manner, an optimal cooling of the two panels of glass 2, 3 of the oven door
1 is achieved and prevents the user from accidentally burning himself on the hot glass.
According to the invention, mixing of the stream of clean cooling air and the stream
of the air mixed with gases and vapours being sucked out of the oven, is also prevented.
1. An oven with a door (1) cooling system comprising at least two panels of glass, namely
an external glass (2) provided on the exterior of the oven, facing the user, and an
internal glass (3) provided in the interior of the oven, said door (1) being tightly
pressed against the front wall (4) of the oven when closed, characterized in that the front wall (4) of the oven is formed in the area above the upper side (5) of
the door (1) with a plurality of ventilating apertures (10, 11, 12), that the door
(1) is formed in the area of the upper side (5) thereof and over the entire width
thereof with at least one bulge (6, 7) being raised above said upper side (5) of the
door (1), that each said bulge (6, 7) is provided on the side facing the front wall
84) of the oven with a ventilating aperture (13, 14) extending into the spacing between
said two panels of glass (2, 3) of the door (1), and that the central ventilating
aperture (10) is located in the area between said bulges (6, 7) and each lateral ventilating
aperture (11, 12) is located in front of each bulge (6, 7) of the door (1), said each
ventilating aperture (13, 14) is aligned with each lateral ventilating aperture (11,
12) in the front wall (4) of the door (1).

REFERENCES CITED IN THE DESCRIPTION
This list of references cited by the applicant is for the reader's convenience only.
It does not form part of the European patent document. Even though great care has
been taken in compiling the references, errors or omissions cannot be excluded and
the EPO disclaims all liability in this regard.
Patent documents cited in the description