(19) |
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(11) |
EP 0 443 301 A1 |
(12) |
EUROPEAN PATENT APPLICATION |
(43) |
Date of publication: |
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28.08.1991 Bulletin 1991/35 |
(22) |
Date of filing: 05.12.1990 |
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(51) |
International Patent Classification (IPC)5: F24C 15/20 |
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(84) |
Designated Contracting States: |
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CH DE DK ES FR GB IT LI |
(30) |
Priority: |
20.02.1990 SE 9000607
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(71) |
Applicant: AKTIEBOLAGET ELECTROLUX |
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S-105 45 Stockholm (SE) |
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(72) |
Inventor: |
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- Castwall, Lennart Wilhelm
S-183 35 Täby (SE)
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(74) |
Representative: Hagelbäck, Evert Isidor et al |
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c/o AB Electrolux
Corporate Patents & Trademarks S-105 45 Stockholm S-105 45 Stockholm (SE) |
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(57) A kitchen ventilator comprises a housing (10) provided with a suction fan (11). An
inlet member (16) is movably connected to the housing so as to be vertically adjustable
and has at least one inlet opening (17) connected to the suction fan (11) via a duct
(18). The inlet member (16) may optionally be provided with a heat radiant source
(20).
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[0001] The present invention relates to a kitchen ventilator comprising a housing having
a suction fan and a vertically adjustable inlet member provided with at least one
inlet opening connected via a duct to said suction fan.
[0002] Kitchen ventilators of this kind are used with cookers in order to suck in and purify
or remove fumes generated during cooking.
[0003] It is a problem in connection with such ventilators to catch the cooking fumes effectively
in order to prevent their spreading in the room. To this end it is customary to use
a hood or an extensible screen provided above the cooker. In order not to be an obstacle
during the cooking such devices must, however, be located relatively high above the
top of the cooker and have therefore proved to be unsatisfactory for the intended
purpose, at least if the gas flow through the ventilator is to be kept at a reasonable
level, which is of course preferable.
[0004] The object of the present invention is to provide a kitchen ventilator which ensures
a more effective catching of cooking fumes than has been possible by the constructions
used hitherto. This has been achieved by means of a kitchen ventilator of the kind
mentioned in the introductory, which according to the invention is characterized in
that the inlet member is pivotally connected to the housing.
[0005] The invention will be described in more detail below with reference to the accompanying
drawing which illustrates a cross-section of the kitchen ventilator according to the
invention.
[0006] The kitchen ventilator shown in the drawing comprises a housing 10 which contains
a suction fan 11, an odour filter 12 and a fat separator 13. As shown, the housing
is attached to a wall 15 but might as well be mounted on a cooker (not shown) by means
of suitable brackets and at an appropriate distance above the top of the cooker.
[0007] The housing has an inlet member 16 which is pivotally attached to the bottom portion
thereof and is provided with inlet openings 17 which are connected to the fat separator
13 via a duct 18. The inlet member 16 has such length and width as to generally cover
an underlying cooker top and comprises a first link arm 16a and a second link arm
16b. The two link arms are interconnected by means of a parallelogram mechanism which
allows the second, outer link arm 16b to be moved in parallel as is shown in broken
lines on the drawing. The link arms can be adjusted and latched in any preferred position
between the shown lower position in which they are mutually aligned, and the upper
position in which they are mutually perpendicular. For the adjustment, the latch is
released by means of a press button 19.
[0008] In the shown lower position, the inlet member 16 is at a relatively small distance
above the cooker top and the cooking vessels thereon, which ensures that cooking vapours
are effectively sucked in. From this position the inlet member can be raised easily
to a preferred position to facilitate the access of the cooking vessels. Air and vapour
entering through openings 17 flow through duct 18 to the fat separator 13 which comprises
a container filled with liquid. The duct 18 is shaped such as to bring the gas flow
into close contact with the liquid surface in order to obtain condension and separation
of fat and water vapour. The gas flow is subsequently passed through the odour filter
12 which contains for example carbon or some other odourants absorbing material. The
air thus purified can subsequently be recirculated to the room via the fan 11.
[0009] The described ventilator may optionally be combined with a heat radiant source 20
to be used for cooking together with a corresponding heat radiant source or conventional
hot-plate (not shown) on the underlying cooker top. Due to the fact that the heat
radiant source 20 is adjustable by means of the shown device to an appropriate distance
above the cooker top, a rapid and efficient cooking is provided. The heat radiant
source 20 preferably comprises a halogen lamp provided with a protective cover of
ceramic glass.
1. Kitchen ventilator comprising a housing (10) having a suction fan (11) and a vertically
adjustable inlet member (16) provided with at least one inlet opening (17) connected
via a duct (18) to said suction fan, characterized in that the inlet member (16) is pivotally connected to the housing (10).
2. Kitchen ventilator according to claim 1, characterized in that the inlet member (16) comprises a first link arm (16a) pivotally connected
to the housing (10), and a second link arm (16b) pivotally connected to said first
link arm by means of a parallelogram mechanism allowing a parallel displacement of
said second link arm.
3. Kitchen ventilator according to claim 1 or 2, characterized in that the inlet member (16) is adjustable to an optional position in relation to
the housing (10).
4. Kitchen ventilator according to any of claims 1 - 3, characterized in that the housing comprises a fat separator (13) and/or an odour filter (12).
5. Kitchen ventilator according to any of claims 1 - 4, characterized in that the inlet member (16) is provided with a heat radiant source (20).
