EP4341615A1 - Flachpaneelhaube - Google Patents
FlachpaneelhaubeInfo
- Publication number
- EP4341615A1 EP4341615A1 EP22723424.2A EP22723424A EP4341615A1 EP 4341615 A1 EP4341615 A1 EP 4341615A1 EP 22723424 A EP22723424 A EP 22723424A EP 4341615 A1 EP4341615 A1 EP 4341615A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filter unit
- flat panel
- filter
- receiving space
- hood
- 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.)
- Pending
Links
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
- F24C15/20—Removing cooking fumes
- F24C15/2035—Arrangement or mounting of filters
Definitions
- the invention relates to a flat panel hood according to claim 1.
- the kitchen appliances include the extractor hoods, which can also be referred to as vapor extractors.
- This is a device for extracting and usually for filtering the vapors produced during cooking processes such as cooking or roasting, i.e. the cooking or roasting fumes.
- Such a device usually essentially consists of a housing with a suction screen directed downwards, in which a grease filter such as a disposable fleece mat or a washable metal filter is arranged.
- the fume extractor also has a fan to draw in an air flow with the fumes from the hob into the fume extractor and to guide it through the grease filter, so that the grease can be removed from the fumes as completely as possible.
- the strength of the air flow can be adjusted by the user via an operation, usually on the extractor hood itself, by selecting a power level for the blower motor of the fan that generates the air flow.
- extractor hoods can be designed as ceiling extractors, which are attached to the ceiling above the hob or to a wall in the kitchen.
- Ceiling extractors usually have lighting, which is directed onto the hob from above and can be switched on and off by the user via an operator, usually on the extractor hood itself.
- Extractor hoods are arranged in the vertical direction below a built-in kitchen furniture and, if necessary, to the Users can be pulled out to be operated. Extractor hoods or extractor hoods designed as flat panels can also be referred to as flat panel hoods.
- the filters must be cleaned or changed regularly by the user.
- the invention therefore faces the problem of providing a flat panel hood so that a filter can be kept in the operating state more easily and/or more securely than was previously known. Additionally or alternatively, the insertion and/or removal of the filter should be simplified. At least an alternative to such flat panel hoods should be created.
- the invention thus relates to a flat panel hood with an intake screen which is designed to hold a vapor, the intake screen having at least one filter unit which is designed to filter the vapor, the intake screen having at least one accommodation space which accommodates the filter unit in a removable manner.
- the flat panel hood according to the invention is characterized in that the receiving space is designed in such a way that the filter unit can be pushed into the receiving space and/or removed in the opposite direction by means of an assembly movement in the longitudinal direction.
- the filter unit can in particular be a grease filter.
- the present invention is based on the finding that the previously known open contour in the form of a notch in the base plate of the flat panel hood can lead to a deflection of the base plate of the suction screen of the flat panel hood. According to the invention, this can be avoided in that the receiving space of the filter unit has a closed contour downwards in the vertical direction, whereby the area moment of inertia and thus also the stability of the base plate of the intake screen can be increased.
- a corresponding opening is provided in the longitudinal direction, in particular through a front panel of the housing of the suction screen designed as a front panel, so that the filter unit can be moved horizontally and thus access to the receiving space of the suction screen in the vertical from below, as before, is no longer necessary. Therefore, the previously open contour of the accommodating space of the suction screen can be made closed, which can bring about the aforementioned advantages.
- the receiving space has at least one guide element which is designed to guide the filter unit during the assembly movement. This can facilitate the assembly movement for the person.
- a guide can avoid a blockage during the assembly movement.
- Such a guide can be implemented, for example, by an interaction of tongue and groove, which can extend in sections or continuously in the longitudinal direction. Such a guide can also cause a stop in the vertical direction.
- the receiving space has at least one pair of guide elements which are arranged opposite one another in the transverse direction and are designed to guide the filter unit during the assembly movement.
- the intake screen has at least two accommodation spaces, each of which accommodates a filter unit in a removable manner, the two accommodation spaces being arranged next to one another in the transverse direction.
- the intake screen has a front panel as a front panel, preferably as a fold of a floor panel, which faces the user in the longitudinal direction, the front panel having at least one opening through which the filter unit can enter the receiving space in the longitudinal direction can be pushed and/or removed in the opposite direction.
- a separate opening is provided in the front panel for each of the accommodation spaces.
- the openings are preferably arranged next to one another in one plane, in particular the openings are formed in a side of the front panel facing the user, so that the mounting direction of the filter units is through the openings towards or away from the user.
- the openings in the receiving spaces in the front panel are delimited by receiving elements.
- the outer openings are delimited on the outside by lateral receiving elements.
- Central receiving elements are provided between adjacent openings.
- the receiving elements extend partially or completely along the receiving spaces.
- guide/mounting elements are arranged on the receiving elements in the receiving spaces, which in pairs each guide and hold a filter unit, in particular a metal frame of the filter unit, on both sides when the filter unit is received in the receiving space or is being moved in the assembly direction.
- the contour of the opening in the front panel and the contour of the filter unit are matched to one another in such a way that the filter unit can only be pushed into the receiving space in a predetermined orientation. This can represent a simple and reliable way of ensuring the use of the filter unit only in the predetermined orientation.
- the front panel has at least one gripping element, preferably made of plastic, which is designed to be gripped by the user in order to remove the filter unit from the receiving space by an opposite assembly movement in the longitudinal direction. This can be a way of implementing the removal of the filter unit.
- the handle element is embedded in the front panel.
- the gripping element is flush with the front side of the front panel. This can save space. This can also avoid at least one projection which the user could perceive as haptically and/or optically disturbing.
- the grip element has a pair of grip recesses which are formed next to one another in the transverse direction and are separated from one another by a vertical partition element. This can represent a possibility to implement an embedded handle element.
- the filter unit has at least one, preferably conical, clamping edge in the transverse direction, preferably one, preferably conical, clamping edge on each side, which is designed to form a non-positive connection in the course of the assembly movement relative to a lateral receiving element of the receiving space to bring about a stop.
- a press fit brought about in this way as a non-positive hold can be a simple and effective way of positioning the filter unit in the receiving space of the intake screen.
- At least the clamping edge of the filter unit is made of plastic and the lateral receiving element of the receiving space is made of metal, preferably stainless steel.
- metal preferably stainless steel. This can keep the cost of the filter unit down as plastic is typically less expensive than metal and especially stainless steel. This can also keep the weight of the filter unit down. Furthermore, such a combination of materials can promote the implementation of a non-positive hold.
- the filter unit preferably a front panel of the filter unit, has at least one stop which is designed to limit the mounting movement of the filter unit in the receiving space in the longitudinal direction.
- the assembly movement can be limited in a predetermined manner.
- the front panel overlaps the contour of the opening in the front panel in all directions. This ensures that the opening is completely covered.
- the front panel of the filter unit rests with a side facing the filter element on a side of the front panel facing away from the receiving space.
- the filter unit has a filter frame, preferably made of metal, particularly preferably made of stainless steel, which accommodates at least one filter element, preferably a preferably multi-layer plug-in metal filter.
- a filter frame preferably made of metal, particularly preferably made of stainless steel, which accommodates at least one filter element, preferably a preferably multi-layer plug-in metal filter.
- the present invention also relates to a suction screen which is designed to be used with a flat panel hood as described above. In this way, a suction screen can be provided in order to implement a flat panel hood according to the invention and to be able to use its properties and advantages.
- the present invention also relates to a filter unit which is designed to be used with a flat panel hood as described above.
- a filter unit can be provided in order to implement a flat panel hood according to the invention and to be able to use its properties and advantages.
- the new development according to the invention can have a plastic handle that can be removed via two recessed grips. This can enable a closed contour of the floor panel.
- the closed contour can increase the area moment of inertia and thus the stability of the floor panel.
- the additional screwing points can be dispensed with.
- the grease filter can consist of ten layers of expanded metal, although it should be noted that a top layer is made of stainless steel and the grease filter may therefore need orientation.
- the plug-in metal layers can be enclosed in a stainless steel frame.
- a plastic handle can be provided for removing and inserting the grease filter, which can be connected to the stainless steel frame via riveting points.
- the plastic handle can have two recessed grips, which can be separated from one another by a bridge. This web can be used for removal and can be pulled out using two fingers (thumb/forefinger).
- the outer contour of the handle can be reflected in the cutout of the floor panel.
- a clear orientation of the fat filter can be given.
- the position of the grease filter can be determined by plastic mounts on which the grease filter can settle. For exact positioning and as feedback for the customer, the fit between the handle and the plastic mounts can be worked out as a press fit.
- the advantage of the invention can lie in the customer-friendly removal of the grease filter.
- the closed contour of the cut-out in the floor panel can enable a higher area moment of inertia and thus greater stability.
- FIG. 1 shows a plan view from above of a flat panel hood according to the invention with filter units accommodated;
- FIG. 2 shows a perspective view of a filter unit from the front at an angle from above;
- FIG. 3 shows a front view of the flat panel hood according to the invention without filter units
- FIG. 4 shows the representation of FIG. 3 with inserted filter units; and FIG. 5 shows a detailed view directly from above during insertion.
- a longitudinal direction X which can also be referred to as depth X or length X, extends.
- a transverse direction Y which can also be referred to as width Y, extends perpendicularly to the longitudinal direction X.
- a vertical direction Z which can also be referred to as the height Z and corresponds to the direction of gravity, extends perpendicularly both to the longitudinal direction X and to the transverse direction Y.
- the longitudinal direction X and the transverse direction Y together form the horizontal X, Y, which can also be referred to as the horizontal plane X, Y.
- a flat panel hood 1 according to the invention is considered, which represents a special design of a fume hood 1 or a fume hood 1 .
- the flat panel hood 1 has an intake screen 10, which can also be referred to as a vapor screen 10 and is designed so that a vapor can flow in from below in the vertical direction Z through two filter units 2 arranged next to one another in the transverse direction Y, in the form of grease filter units 2, and each to allow a filter element 24 of the respective filter unit 2 to pass through.
- the filter units 2 are each arranged in a removable or replaceable manner in corresponding receiving spaces 12 of the intake screen 10, which can also be referred to as receiving compartments 12 or as drawers 12.
- the suction screen 10 has a base plate (not shown), which forms the underside of the suction screen 10 and thus also of the flat panel hood 1 in the vertical direction Z.
- the intake screen 10 Forward in the longitudinal direction X, i.e. facing a user or a fitter, the intake screen 10 has a front panel 11 which closes the intake screen 10 or the flat panel hood 1 at the front and is designed as a fold of the floor panel.
- the receiving spaces 12 are each delimited laterally by a lateral receiving element 13 , with a central receiving element 13 delimiting both receiving spaces 12 .
- the openings of the receiving spaces 12 in the front panel 11 are delimited on the outside by the lateral receiving elements 13, while the central receiving element 13 is provided between the openings.
- the lateral receiving elements 13 each have a guide/mounting element 14 laterally opposite one another in the longitudinal direction X at their rear end in the transverse direction Y.
- the filter units 2 are of identical design and each have a front panel 20 as a front panel 20 made of plastic.
- the front panels 20 each have a handle element 21 in the center in the transverse direction Y, which is designed as a recess in the longitudinal direction X and is flush with the front panel 20 over its surface.
- the handle elements 21 are each formed by two recessed grips (not designated), which are separated from one another in the transverse direction Y by a web (not designated) so that a person as the user can grip one of the two recessed grips and the web with their index finger and thumb between index finger and thumb in order to grasp and in particular to pull the filter unit 2, as will be described in more detail below.
- the front panels 20 each have a conical clamping edge 25 pointing laterally outwards in the transverse direction Y, which will be described in more detail further below.
- the front panels 20 each extend laterally beyond the clamping edges 25 in the transverse direction Y and thus each form a stop 26 or a stop surface 26, the function of which will be described in more detail further below.
- the filter units 2 each have a rectangular filter frame 23 as a metal frame 23 which accommodates the already mentioned filter element 24 in the form of an expanded metal filter 24 .
- the metallic filter frame 23 is connected in a fixed manner to the plastic front panel 20 via connecting elements 22 in the form of screws 22 or else rivets.
- Each of the two filter units 2 can now be pushed through one of the two openings in the front panel 11 of the intake screen 10 in the longitudinal direction X in a mounting direction A into the corresponding receiving space 12 . This can only be done if the filter unit 2 is properly aligned with the opening of the front panel 11 of the intake screen 10 so that the use of the filter unit 2 in the correct or predetermined alignment can be ensured easily, safely and intuitively for the user.
- the filter unit 2 is guided laterally in the transverse direction Y and vertically in the vertical direction Z through the opening in the front panel 11 of the intake screen 10 .
- the metal frame 23 of the filter unit 2 is held on both sides by the guide / Support elements 14 of the receiving space 12 were added and guided and held in the further movement.
- the clamping edges 25 of the front plate 20 of the filter unit 2 come into contact with the lateral receiving elements 13 of the receiving space 12 of the intake screen 10, as a result of which the plastic material of the clamping edges 25 is pressed in the transverse direction Y and this results in a press fit or a non-positive hold of the filter unit 2 in the receiving space 12 of the suction screen 10 is effected.
- the stops 26 of the front panel 20 of the filter element 2 come to rest against the front (not numbered) of the corresponding lateral receiving element 13, thereby limiting the movement in the assembly direction A and defining the installation position of the filter unit 2 in the intake screen 10.
- the filter units 2 can each be introduced into closed contours of the base plate of the intake screen 10 of the flat panel hood 1 .
- the use of a closed contour of the base plate of the intake screen 10 can increase its stability.
- the filter unit 2 is removed from the suction screen 10 by pulling out the filter unit 2 in the opposite direction to the assembly direction A.
- front panel 20 front panel; front panel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE20215396A BE1029411B1 (de) | 2021-05-18 | 2021-05-18 | Flachpaneelhaube |
| PCT/EP2022/060283 WO2022242969A1 (de) | 2021-05-18 | 2022-04-19 | Flachpaneelhaube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4341615A1 true EP4341615A1 (de) | 2024-03-27 |
Family
ID=76217592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22723424.2A Pending EP4341615A1 (de) | 2021-05-18 | 2022-04-19 | Flachpaneelhaube |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4341615A1 (de) |
| BE (1) | BE1029411B1 (de) |
| WO (1) | WO2022242969A1 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE314788B (de) * | 1966-01-13 | 1969-09-15 | Electrolux Ab | |
| DE102005008373A1 (de) * | 2005-02-23 | 2006-08-31 | BSH Bosch und Siemens Hausgeräte GmbH | Dunstabzugshaube |
| DE102010005113A1 (de) * | 2010-01-19 | 2011-07-21 | Mann + Hummel GmbH, 71638 | Filteranordnung |
| DE102011084912B4 (de) * | 2011-10-13 | 2020-10-15 | BSH Hausgeräte GmbH | Umlufteinheit mit Umluftfilterelement für Dunstabzugshaube |
| CN203837062U (zh) * | 2014-04-30 | 2014-09-17 | 青岛兴邦电子电器有限公司 | 一种能快速拆装油网的抽油烟机 |
-
2021
- 2021-05-18 BE BE20215396A patent/BE1029411B1/de not_active IP Right Cessation
-
2022
- 2022-04-19 EP EP22723424.2A patent/EP4341615A1/de active Pending
- 2022-04-19 WO PCT/EP2022/060283 patent/WO2022242969A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022242969A1 (de) | 2022-11-24 |
| BE1029411B1 (de) | 2022-12-19 |
| BE1029411A1 (de) | 2022-12-12 |
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