EP2469188B1 - Dunstabzugshaube - Google Patents

Dunstabzugshaube Download PDF

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Publication number
EP2469188B1
EP2469188B1 EP11193694.4A EP11193694A EP2469188B1 EP 2469188 B1 EP2469188 B1 EP 2469188B1 EP 11193694 A EP11193694 A EP 11193694A EP 2469188 B1 EP2469188 B1 EP 2469188B1
Authority
EP
European Patent Office
Prior art keywords
filter unit
extractor
hood
housing
filter
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
EP11193694.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2469188A1 (de
Inventor
Christoph Ortmann
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2469188A1 publication Critical patent/EP2469188A1/de
Application granted granted Critical
Publication of EP2469188B1 publication Critical patent/EP2469188B1/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
    • F24C15/20—Removing cooking fumes
    • 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 an extractor hood, in particular for sucking and filtering the vapors produced during cooking.
  • a known type are the so-called down-draft or table extractor devices.
  • the suction and filter unit is located behind the hob or cooktop.
  • the filter unit is located in the rest position of the down-draft extractor device below the work surface, so that the inflow surface of the filter unit is not visible to the user.
  • By vertically moving the filter unit of the down-draft extractor device from the work surface up the filter surface is exposed and the vapor can be sucked and filtered.
  • the suction unit remains below the work surface.
  • Such an extractor hood is for example in the US 2008/0029081 A1 described.
  • a disadvantage of these extractor devices is that for sucking off the Wrasens due to the positioning of the suction unit, a deflection of the flow direction of Wrasens must be done by 180 ° down.
  • a further disadvantage is that a high suction power is required to implement this deflection in down-draft extractor devices. This usually requires a large dimensioning of the suction unit. In addition, it is not readily possible to retrofit existing hobs with such a fume extraction device.
  • a first channel element is mounted vertically displaceable in a guide.
  • the first channel element is in this case displaced from a first end position down.
  • the first channel element forms regardless of the relative position of the first channel element to the guide at any time a first air flow path and opens into a second channel element.
  • a disadvantage of this extractor hood is the complex and space-consuming construction of the hood, which is due to the required air flow.
  • the present invention is therefore based on the object to provide a cooker hood, in which the required deflection of the flow direction of the Wrasens for sucking and filtering the Wrasens is minimized.
  • the invention is based on the finding that this object can be achieved by providing an extractor hood, which is arranged above the cooking surface and whose filter unit is pulled out of the underside of the extractor hood only when required.
  • an extractor hood in particular for sucking and filtering the vapors produced during cooking, is provided.
  • the extractor hood has an extractor housing and at least one filter unit, which is arranged displaceably in relation to the extractor housing.
  • the at least one filter unit with respect to the extractor housing downwards over the underside of the extractor housing in addition drawer-like displaced.
  • the extractor hood is characterized in that the filter unit has a passage opening and the extractor housing an inlet opening, and that cover at least in one operating position of the filter unit, the passage opening and the inlet opening at least partially, that the filter unit with respect to the extractor housing in the vertical direction is displaceable and that the filter unit is arranged at the rear of the extractor housing.
  • Directional information such as top, bottom, front and back, as well as designations such as bottom, top, front and back, are hereinafter understood to refer to an extractor hood and its components in the assembled state.
  • the front of the hood and its components here is the side facing the user of the hood and the Rear side facing away.
  • the back is the side facing a room wall where the cooker hood is mounted and which is also called a mounting wall.
  • the extractor hood which can also be referred to as vapor withdrawal, it is a device for suction and preferably for filtering the resulting vapors during cooking.
  • the vapor describes the air in which, for example, water and / or fat particles are contained.
  • the extractor hood consists of a fume hood and a filter unit.
  • the suction unit or suction means for generating a negative pressure in the extractor housing and thus be arranged to suck the Wrasens.
  • the suction unit represents, in particular, the fan or the fan of the extractor hood.
  • At least one filter element is arranged in the filter unit.
  • On the filter unit an inflow surface or suction opening is formed, which is covered by at least a part of the at least one filter element.
  • the inflow surface is preferably provided on one of the surfaces of the filter unit, on which the dimensions of the filter unit are greatest. In a vertically oriented filter unit, the inflow surface is preferably located at the front of the filter unit.
  • the filter unit is arranged displaceably in relation to the extractor housing, that is to say the filter unit can be displaced relative to the extractor housing.
  • relative movement of the filter unit to the extractor housing is understood to mean both movement by movement of the filter unit and displacement by movement of the extractor housing.
  • the relative displacement of the two components relative to one another is preferably purely translatory, that is, it is a linear displacement. In such a translational displacement, the filter unit or the extractor housing in the two possible directions, in particular up and down, be moved. For this shift, the filter unit and the extractor housing are connected together in a suitable form.
  • the suitable shape can be realized for example by a guide device which can be arranged on the filter unit or on the extractor housing.
  • the guide device may comprise, for example, a guide rail.
  • the extractor housing of the hood is attached to the mounting wall.
  • the mounting wall is aligned vertically.
  • the filter unit can be displaced relative to the extractor housing. If, on the other hand, the extractor hood is fastened to a mounting wall via the filter unit, the extractor housing can be displaced with respect to the filter unit.
  • the first relative position is preferably the position at which the filter unit is preferably completely received in or covered by the extractor housing.
  • the top of the filter unit can be flush with the top of the extractor housing.
  • This first relative position which represents an extreme position, is also referred to below as the rest position or as the closed position. In the rest position preferably the entire inflow surface of the filter unit is not visible to the user, but is covered by the extractor housing.
  • the second relative position is a position in which the filter unit at least partially protrudes beyond the underside of the extractor housing.
  • an extreme position which is also referred to as the end position, the majority of the filter unit is outside the extractor housing. In this case, preferably, the entire inflow surface of the filter unit is outside of the extractor housing and can be flowed by vapors.
  • the second relative position is also referred to below as the operating position or open position. Several operating positions can be set, wherein at each of the operating positions, at least part of the filter unit protrudes beyond the underside of the extractor housing and, in particular, a portion of the inflow area can be flowed by vapor.
  • the change from the operating position of the extractor hood to the rest position of the extractor hood is achieved by a change of position of the filter unit, referred to as "insertion”, in which the filter unit is moved upwards.
  • the changeover from the rest position of the extractor hood into the operating position of the extractor hood is achieved by a change of position of the filter unit, which is referred to as “pulling out”, in which the filter unit is moved downwards.
  • the filter unit is displaceable downwards beyond the underside of the extractor housing with respect to the extractor housing.
  • the operating position of the hood is therefore adjusted by drawer-like moving the filter unit with respect to the extractor housing down over the bottom of the extractor housing. Since the filter unit extends in the operating position of the hood downward over the extractor housing, the hood according to the invention can be mounted above the hob.
  • Drawer-like in the sense of the present invention is understood to mean that the filter unit is displaced in its longitudinal direction, wherein the length of the filter unit designates the distance between the upper side and the lower side of the filter unit.
  • the filter unit in the operating position of the hood closer to the hotplate, so led to the origin of Wrasens.
  • the depth of the hood is slightly lower than is the case with the extractor hood, in which the filter unit is pulled forward from the extractor housing.
  • These extractor hoods, in which the filter unit is pulled out to the front are also referred to as Flachtalkhauben.
  • the hood can be attached to the mounting wall at a lower level than is possible with known flat-screen hoods without hindering the user.
  • the vapor to reach the suction unit does not have to be deflected by 180 °, as in a down-draft extractor device down. Rather, the vapor must be deflected only slightly from the main flow direction, which usually runs vertically upwards, so that the required suction unit can be made smaller.
  • a hotplate can be retrofitted with the extractor hood according to the invention, without a modification of the hotplate is required.
  • the filter unit is displaceable in the vertical direction with respect to the extractor housing.
  • the filter unit is therefore arranged vertically in the extractor hood, which means that the longitudinal direction of the filter unit lies in the vertical direction.
  • this vertical embodiment of the filter unit there is a right angle between the surface of the filter unit and the surface of the hob. Since an inflow surface is formed on the filter unit, preferably on its front side, through which vapors can enter the extractor hood, in this embodiment the vapor only has to be deflected by 90 ° from a vertical main flow direction in order to enter the vertically aligned inflow opening. Subsequently, the vapor or the purified air can be deflected by a further deflection by 90 ° back up into the vertical. It is thus in this embodiment, only an offset of the main flow direction of the vapors and not as in the prior art, a deflection by 180 ° down necessary.
  • the filter unit may extend beyond the underside of the extractor hood into a vertical position Direction, ie parallel to the mounting wall, are moved down.
  • Direction ie parallel to the mounting wall
  • the filter unit With an inclination angle of the displacement direction and thus the orientation of the filter unit of 0 °, the filter unit is arranged parallel to the vertical mounting wall, which allows a very space-saving design and arrangement of the hood.
  • the angle of inclination of the displacement direction and thus also of the filter unit is the smallest angle which is defined between the vertical and the direction of displacement of the filter unit.
  • the filter unit is arranged on the rear side of the extractor housing.
  • the extractor housing is arranged in front of the filter unit from the direction of view of the user of the extractor hood.
  • the filter unit at the rear of the extractor housing can be constructed simpler, since only on the back of the extractor housing guides, such as guide rails must be provided for drawer-like guiding the filter unit. Furthermore, it is advantageous in this arrangement that the filter unit is arranged concealed by the arrangement on the back of the extractor housing for the user in the rest position, so that the filter unit and in particular the filter element for the user is not visible.
  • the extractor housing in this embodiment, for example, have a cuboid shape whose height is greater than the depth.
  • the width of the extractor housing corresponds at least to the width of the filter unit.
  • the length of the filter unit is less than or equal to the height of the extractor housing.
  • the length of the filter unit is understood to mean the distance between the bottom side and the top side of the filter unit in the area of the filter unit.
  • the length of the filter unit is thus the area dimension of the filter unit which lies parallel to the direction of displacement of the filter unit.
  • the height of the extractor housing is understood in the context of the invention, the distance between the bottom and the top of the extractor housing.
  • the height of the extractor housing and the length of the filter unit preferably have the same spatial orientation.
  • the filter unit can be completely covered by the extractor housing in the rest position or is included in this and is not visible to the user. Only in the operating position of the hood, the filter unit is beyond the bottom of the extractor housing.
  • the filter unit has a passage opening and the extractor housing has an inlet opening, wherein the passage opening and the inlet opening overlap at least in regions, at least in an operating position of the filter unit.
  • the passage opening and the inlet opening are each provided on the sides of the filter unit and the extractor housing, which face each other.
  • the passage opening at the front of the filter unit and the inlet opening at the rear of the extractor housing or in a two-part extractor housing at the rear of the front extractor housing part are provided.
  • the inlet opening is in the lower region of the extractor housing and on the filter unit, the passage opening is provided in the upper region of the filter unit.
  • the filter unit For receiving and filtering the Wrasens, the filter unit has an inflow, through which the vapor can enter into the filter unit. At or in this inflow surface at least a part of the filter element of the filter unit is arranged. After filtering the Wrasens the Wrasen passes through the Passage opening from the filter unit and is sucked through the inlet opening of the extractor housing in the extractor housing.
  • the openings in the two components in at least one of the operating positions at least partially.
  • the two openings of the two components of the extractor hood preferably completely overlap. This overlap maximizes the area over which the vapor from the filter unit can enter the extractor housing.
  • the passage opening of the filter unit and the inlet opening of the extractor housing have the same size.
  • the filter unit may have a plurality of passage openings and the extractor housing may have a plurality of inlet openings.
  • the degree of overlap between the passage opening and the inlet opening can be varied, so that a targeted flow of air or the Wrasens can be adjusted.
  • a seal in particular a sealing lip, may be provided at one of the openings.
  • the suction power of the extractor hood is regulated by the drawer-like displacement of the at least one filter unit to the extractor hood.
  • the suction power of the hood can be regulated by the displacement of the filter unit so that with a maximum extraction of the filter unit from the extractor housing, the full suction of the hood is available.
  • a lower suction power of the extractor hood can be set.
  • the adjustment of the suction power can be achieved through contacts on the Filter unit or the extractor housing can be realized.
  • the regulation of the suction power can be infinitely or in stages.
  • the overlapping of openings provided in the components is adjusted by moving the filter unit to the extractor housing. In all operating positions, the design of the components of the extractor hood ensures that a passage opening of the filter unit and an inlet opening of the extractor hood cover at least in some areas.
  • the activation of the extractor hood takes place by pulling the filter unit out of the rest position.
  • the shutdown of the hood can be done by inserting the filter unit to the rest position.
  • the switching on and off of the hood can be realized for example by a magnetic switch, which can be provided on the guide unit for moving the filter unit, on the filter unit or the extractor housing.
  • the displacement of the filter unit can be done manually, hydraulically or electrically, in particular by a motor drive.
  • the at least one filter unit comprises at least one filter element and a filter housing, and the at least one filter element is arranged in the filter housing.
  • the filter element comprises the actual filter, which can be designed as an expanded metal filter, for example as a stainless steel filter, by means of which the vapor is cleaned of contaminants.
  • the filter element which may represent a filter cartridge, for example, is arranged in the filter housing, wherein the filter housing may be formed in different ways.
  • the filter element is arranged in the filter housing such that it covers an inflow area, which can also be referred to as an intake opening and is provided in the filter housing. Behind the filter element, there is preferably an intake space leading to the passage opening in the filter unit. Except for the suction opening and the passage opening, which are preferably provided on the same side of the filter unit are, the filter housing is closed. In particular, the filter housing on the side, which is directed to the mounting wall, closed and can protect the mounting wall from contamination.
  • FIG. 1 a is a schematic perspective view of a first embodiment of the extractor hood 1 according to the invention in the rest position and in FIG. 1b shown in an operating position.
  • the extractor hood 1 comprises a vapor extraction housing 2 and a filter unit 3.
  • the filter unit 3 is arranged behind the vapor extraction housing 2.
  • the width of the filter unit 3 corresponds to the width of the extractor housing 2
  • the length of the filter unit 3 corresponds to the height of the extractor housing 2.
  • the filter unit 3 is drawer-like arranged on the extractor housing 2 and can be pulled over the underside of the extractor housing 2 down and be pushed up behind this.
  • the filter unit 3 In the resting position, the in FIG. 1 a is shown, the filter unit 3 is completely covered by the extractor housing 2. In the in FIG. 1b shown operating position, the filter unit 3 is maximally pulled out of the extractor housing 2. When the filter unit 3 is pulled out of the extractor housing 2, the inflow surface A of the filter unit 3 is exposed and can thus be flown by vapors which enters the extractor hood 1 via this inflow surface A.
  • the hood 1 is an extractor hood 1, which can be mounted parallel to a vertical mounting wall (not shown) on the mounting wall.
  • the displacement of the filter unit 3 with respect to the extractor housing 2 extends parallel to the mounting wall, the filter unit 3 being arranged on the rear side of the extractor housing 2.
  • the filter unit 3 is thus moved along the mounting wall.
  • the construction volume of the extractor hood 1 is low, since the depth of the extractor hood 1 is also formed only in the operating state by the depth of the extractor hood 2 and the thickness of the filter unit 3.
  • the deterioration of the user is low.
  • FIG. 2 is a schematic perspective view of the hood 1 of the first embodiment shown in the rest position.
  • the extractor housing 2 is in this case shown transparent to allow an insight into the interior of the hood 1.
  • the filter unit 3 is pushed completely behind the extractor housing 2.
  • a passage opening D of the filter unit 3 which is introduced into the filter housing 30 is shown.
  • the extractor housing 2 has an inlet opening E.
  • the passage opening D is introduced in the upper region of the front side of the filter unit 3, which is above the inflow surface A.
  • the inlet opening E is introduced in the lower region of the rear side of the extractor housing 2.
  • the two openings represent slots that extend in the width direction. In the rest position shown, the passage opening D and the inlet opening E do not overlap.
  • extractor hood 1 corresponds to the length L of the filter unit 3, the height H of the extractor housing 2. That is, in the rest position, the filter unit 3 is completely covered by the extractor housing 2.
  • FIG. 3 is a schematic side view of the hood 1 of the first embodiment shown in an operating position.
  • the extractor hood 1 is arranged above a cooking point K on a mounting wall (not shown). On the cooking surface K, a cooking vessel in the form of a pot 50 is arranged from the vapor 4 rises.
  • the extractor hood 1 consists of the extractor housing 2 and the filter unit 3 and is in an operating position.
  • the filter unit 3 which is arranged at the rear of the extractor housing 2, relative to the extractor housing 2 so far down in the direction of the cooking point K shifted that the passage opening D of the filter unit 3 and the inlet opening E of the extractor housing 2 completely cover.
  • the ascending vapor 4 is sucked in by a negative pressure generated in the extractor housing 2 and flows to the inflow surface A of the filter unit 3.
  • the vapor 4 flows through the filter unit 3 and passes through the passage opening D and the inlet opening E into the extractor housing 2 of the extractor hood 1.
  • the hood 1 Due to the arrangement of the extractor hood 1 above the hob K, the hood 1 can be positioned close to the hob K, so that the vapor 4 can be sucked out immediately after exiting the pot 50.
  • the Wrasen 4 must experience no deflection down.
  • the suction power of the extractor hood 1 can be regulated by the displacement of the filter unit 3 relative to the extractor housing 2 when the passage opening D and the inlet opening E are covered.
  • FIG. 4 is a schematic perspective view of the hood 1 of the first embodiment shown in an operating position.
  • vapor 4 rises from a pot 50 from a cooking point K (in FIG. 4 not shown) and is sucked in by the extractor hood 1.
  • the inflow surface A of the filter unit 3 is directed towards the user of the extractor hood 1.
  • the filter element 31 for cleaning the Wrasens 4.
  • extractor housing 2 includes the fan (not shown) for sucking the Wrasens, so that the filter unit 3 can be designed as a flat component.
  • the fan can be made smaller, since the vapor 4, in contrast to known down-draft cooker hoods must be deflected only slightly laterally. Due to this smaller dimensioning of the fan, a significant reduction in the volume of the extractor hood 1 can be achieved.
  • a movable filter surface can be realized in flat wall meals. Since the filter surface is generally open, it is visible to the user. By cooking, the cooker hood can also pollute if the cooker hood is not needed.
  • the filter unit can be inserted when not in use in the hood and pulled out of this if necessary.
  • the suction surface of the filter element which is also referred to as a grease filter, closer to the hob to be brought.
  • the way the vapor must travel to the grease filter is reduced, so that the vapor can be sucked out more effectively.
  • the filter unit can be pushed into the cooker hood, hiding the dirty filter.
  • the baffle behind the hob is protected against dirt when the filter is pulled out.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Ventilation (AREA)
EP11193694.4A 2010-12-22 2011-12-15 Dunstabzugshaube Active EP2469188B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010063846 DE102010063846A1 (de) 2010-12-22 2010-12-22 Dunstabzugshaube

Publications (2)

Publication Number Publication Date
EP2469188A1 EP2469188A1 (de) 2012-06-27
EP2469188B1 true EP2469188B1 (de) 2017-11-22

Family

ID=45349388

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11193694.4A Active EP2469188B1 (de) 2010-12-22 2011-12-15 Dunstabzugshaube

Country Status (3)

Country Link
EP (1) EP2469188B1 (es)
DE (1) DE102010063846A1 (es)
ES (1) ES2651316T3 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107692535A (zh) * 2017-09-30 2018-02-16 福建金源泉科技发展有限公司 一种除油烟火锅桌及其使用方法
US11573010B2 (en) 2019-10-28 2023-02-07 Lg Electronics Inc. Self-cleaning kitchen hood
CN111109890A (zh) * 2019-12-31 2020-05-08 广州富港万嘉智能科技有限公司 一种空间紧凑的智能橱柜

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3102533A (en) * 1961-02-02 1963-09-03 Jenn Air Products Company Inc Counter-top range exhaust apparatus
US4945891A (en) * 1989-03-30 1990-08-07 General Electric Company Drive mechanism for retractable down draft vent
DE9313542U1 (de) * 1993-09-08 1993-11-18 Buercher Friedrich Ausfahrbare Dunst-Abzugshaube
ITMI20022319A1 (it) * 2002-10-31 2004-05-01 Stefano Basini Dispositivo di convogliamento di fumi e/o vapori per cappe da cucina
DE102004055947A1 (de) * 2004-11-19 2006-07-20 BSH Bosch und Siemens Hausgeräte GmbH Dunstabzugshaube mit Einzelstellenbesaugung
US8312873B2 (en) * 2005-08-01 2012-11-20 Western Industries, Inc. Low depth telescoping downdraft ventilator
ITMC20050132A1 (it) * 2005-12-13 2007-06-14 Sirius S P A Cappa aspirante per cucine dotata di un gruppo aspirante-filtrante di tipo retrattile.
US20100065038A1 (en) * 2008-09-13 2010-03-18 John Mills Davies Exhaust Canopy

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
EP2469188A1 (de) 2012-06-27
ES2651316T3 (es) 2018-01-25
DE102010063846A1 (de) 2012-06-28

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