EP2063189A2 - Hotte aspirante - Google Patents

Hotte aspirante Download PDF

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Publication number
EP2063189A2
EP2063189A2 EP08105667A EP08105667A EP2063189A2 EP 2063189 A2 EP2063189 A2 EP 2063189A2 EP 08105667 A EP08105667 A EP 08105667A EP 08105667 A EP08105667 A EP 08105667A EP 2063189 A2 EP2063189 A2 EP 2063189A2
Authority
EP
European Patent Office
Prior art keywords
filter unit
extractor
housing
suction opening
extractor 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.)
Withdrawn
Application number
EP08105667A
Other languages
German (de)
English (en)
Other versions
EP2063189A3 (fr
Inventor
Jochen Klemm
Volkmar Uebele
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2063189A2 publication Critical patent/EP2063189A2/fr
Publication of EP2063189A3 publication Critical patent/EP2063189A3/fr
Withdrawn legal-status Critical Current

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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
    • F24C15/2035—Arrangement or mounting of filters

Definitions

  • the present invention relates to an extractor hood for the extraction of air, in particular for the extraction of fumes and vapors.
  • hoods filter devices that serve to clean the sucked air.
  • These filter devices are usually provided at the intake opening of the housing of the hood and cover this suction from.
  • the suction opening is so inclined that it is placed towards the user.
  • a disadvantage of these cooker hoods is that the filter unit that covers this suction opening can be seen by the user. By absorbing the impurities from the air, it can lead to deposits of impurities on the material of the filter unit, whereby the visual appearance of the filter unit and thus the extractor hood is impaired.
  • Such an extractor hood is for example in the EP 1 239 226 B1 described.
  • a diaphragm is provided in front of the suction opening of the housing, are provided in the openings for the passage of air.
  • Inside the hood of the cooker hood is a grease filter that cleans the air entering the cooker hood housing.
  • the grease filter is arranged in this hood in the vertical area of the intake parallel to the hob.
  • a disadvantage of this arrangement is that the size of the grease filter is small due to the usually limited optical reasons usually dimensions of the suction and thus only a small amount of impurities can be included in this grease filter before it needs to be cleaned.
  • an extractor hood from the WO 03/073007 in which a housing enclosed by a Wrasenle filter unit is provided on the housing. This filter unit is mounted obliquely on the housing. In front of this filter unit, a shield is provided, which can also serve as a prefilter unit.
  • a disadvantage of this embodiment of an extractor hood is that run off in the filter unit due to their tendency deposited impurities and can reach the outside of the housing due to the arrangement in the suction opening.
  • Object of the present invention is therefore to provide a cooker hood, in which on the one hand, a deposition of contaminants from the intake air, a good service life of the deposition device, in particular the filter unit, can be ensured without negatively affecting the visual appearance and hygiene aspects of the hood ,
  • the invention is based on the finding that this object can be achieved by optimizing the position and orientation of the filter unit.
  • an extractor hood for extracting air with an extractor housing, which has at least one suction opening, which lies obliquely to the horizontal, a blower accommodated in the extractor housing, a flat filter unit for cleaning the air sucked in by the blower, and a baffle plate which at least partially covers the suction opening.
  • the extractor hood is characterized in that the filter unit is received in the interior of the extractor housing so that the surface of the filter unit is inclined to the horizontal.
  • the extractor hood according to the invention can be used in particular in kitchen technology, in clean room technology, at industrial workstations, in the field of machine tools or for air conditioning in smoking corners, or the like.
  • the suction opening is the opening of the extractor housing, is sucked or enters via the air due to the negative pressure caused by the fan in the extractor housing in the extractor housing.
  • the suction opening or the area defined by the suction opening is arranged on the extractor housing so that it faces a cooking point or worktop located underneath.
  • the surface of the suction opening is according to the invention obliquely to the horizontal. As a result, the headroom of the user of the hood can be increased.
  • the suction opening can in particular extend obliquely upward from the bottom of the extractor housing to the front of the extractor housing.
  • a screen serving to increase the catchment area can be arranged on the extractor housing around the suction opening.
  • the filter unit is preferably a filter cartridge.
  • the filter unit has a planar design and preferably has a rectangular shape.
  • the filter unit can have expanded metal or fleece as the filter material.
  • the expanded metal wires or fibers are arranged slightly offset one behind the other, so that the contaminated air must meander through the expanded metal wires or fibers arranged one behind the other, wherein components contained in the air, such as fat droplets, can not carry these deflections due to their increased inertia and thus stick to the wires or fibers and be deposited.
  • only one filter unit is provided in the extractor hood according to the invention. This simplifies the construction of the extractor hood and facilitates the removal of the filter unit, for example for cleaning purposes.
  • filter units in particular filter cartridges
  • they are preferably located in one plane and may be arranged adjacent to one another, for example.
  • By the same orientation of multiple filter units required for holding the filter units holding device can be easily configured.
  • the air sucked in via the blower is in particular vapor which rises from a hotplate below the extractor hood.
  • the extractor hood according to the invention but also, for example, contaminated air, which rises from a job, such as a workbench, aspirated and cleaned, that is freed of impurities.
  • the cleaning of the sucked air is the removal of impurities contained in the air at the filter unit.
  • the impurities may be oil, grease, water and the like.
  • the baffle plate can be a be air-impermeable plate. But it is also possible that the baffle plate is at least partially permeable to air and optionally contains filter material or is surrounded by filter material.
  • the size and arrangement of the baffle plate is chosen so that it at least partially covers the suction opening of the extractor housing.
  • the baffle plate may have a width and length which is smaller than the width and length of the suction opening.
  • the air enters the extractor housing via the gap formed between the outside of the baffle plate and the inside of the suction opening.
  • the baffle plate has the same width and length as the suction opening.
  • the baffle plate is arranged in front of the suction opening spaced therefrom and the air enters the extractor housing through the gap formed by the distance between the baffle plate and the suction opening.
  • the horizontal or horizontal when mounted extractor hood in the context of the invention is to be understood the horizontal or horizontal when mounted extractor hood.
  • the horizontal is usually perpendicular to the wall on which the hood is mounted.
  • the horizontal is parallel to the ceiling.
  • Slanted in the sense of the present invention means relative to the horizontal by an angle greater than zero pivoted.
  • the angle between the horizontal and the surface of the filter unit or between the horizontal and the surface of the suction opening is greater than 0 degrees and is preferably less than 90 °, more preferably less than 70 ° and may for example be 50 ° or 25 °.
  • the angle of the filter unit is preferably selected as a function of the installation location of the filter element within the extractor housing.
  • the surface of the filter unit is inclined to the horizontal, despite the inclusion of the filter unit in the extractor housing, the surface of the filter unit can be sized large. Thereby, the amount of contaminants that can be absorbed by the filter unit can be maximized. Furthermore, by the inclined position, a targeted drainage of the impurities in the filter unit can be realized and thereby the service life of the filter element can be further extended.
  • the filter unit is received in the interior of the extractor housing, it can be ensured that draining or dripping from the filter element Do not get dirt on a surface below the cooker hood, for example on a hob.
  • the visual appearance of the extractor hood is not adversely affected when providing a collecting container.
  • the filter unit is arranged at a distance from the suction opening.
  • the design options with respect to the orientation, in particular inclination and the provision of collecting containers are increased.
  • the filter unit does not have to correspond to the dimensions of the suction opening in this installation position.
  • the surface of the filter unit may be parallel to the surface of the suction opening.
  • the filter unit in which also the surface of the suction opening is inclined to the horizontal, the filter unit is preferably provided immediately behind the suction opening within the extractor housing.
  • the surface of the filter unit is inclined to the surface of the suction opening.
  • the filter unit can be accommodated obliquely offset in the extractor housing upwardly offset to the suction opening.
  • an obliquely arranged to the surface of the suction opening filter unit is advantageous.
  • the orientation of the filter unit can be chosen in this embodiment so that it is adapted to the dimensions and conditions within the extractor housing.
  • the filter unit is arranged obliquely to the intake opening, it is possible to divert the intake air stream, which reduces the speed with which the intake air moves through the filter unit, thereby avoiding a flow through it without or without sufficient cleaning.
  • the extractor hood has an inner housing with an inlet opening and the filter unit is arranged at the inlet opening.
  • the inner case is preferably arranged so that in this the blower of the extractor hood is received.
  • the suction opening is spaced from the rear of the extractor housing and the filter unit is located at the rear of the extractor housing.
  • the filter unit is located at the rear of the extractor housing.
  • only one edge of the filter unit abuts against the rear side.
  • the request can be direct or indirect.
  • the filter unit via intermediate elements, such as catching devices abut the rear wall.
  • the rear side of the extractor hood is the side to which it is attached to the wall of a wall-mounted extractor hood. If the extractor housing is open on the side facing the wall, the rear side of the extractor hood is formed by the room wall to which the extractor housing is fastened.
  • the rear wall In a ceiling-mounted extractor hood or dining the side of the extractor housing is referred to as the rear wall, which faces away from the side on which the controls for the hood are provided.
  • the side of the filter unit which bears against the rear wall is preferably the side at which the oblique filter unit has the lowest point. In this way it can be ensured that the impurities emerging from the filter unit, in particular leaking or dripping impurities, reach into a region of the extractor housing which is spaced from the exhaust opening and on which these can be easily removed from the extractor housing.
  • the filter unit spaced from the suction port and abutting the back wall the removal of contaminants from the filter unit can be accomplished without having to route conduits and the like through the space in which the contaminated air is present in the extractor housing.
  • the baffle plate can be configured and / or arranged for separating contaminants from the intake air.
  • the baffle plate can be designed so that this is an eddy current filter.
  • an eddy current filter for example, a cyclone, labyrinth or baffle filter is used.
  • an at least partially circumferential suction gap is formed by the baffle plate to the suction opening.
  • a filter may also be arranged, whereby Also, the air flowing through the suction gap is pre-cleaned before entering the extractor housing.
  • the extractor hood preferably has a collecting device for collecting impurities deposited in the filter unit.
  • the collecting device is preferably provided at least partially within the extractor housing. As a result, this is not visible to the user and can also be arranged in the vicinity or on the filter unit from which the impurities are discharged.
  • the collecting device is a part of the extractor housing.
  • the collecting device can in this case be attached to the extractor housing, or be formed, for example, by the bottom or another component of the extractor housing.
  • the advantage of this embodiment is, in particular, that the position of the collecting device is fixed in the hood and therefore, for example, a drain pipe or drain hose can be attached to this, over which the contaminants can be selectively removed from the fume hood.
  • the collecting device is formed by a component of the extractor housing, such as the bottom of the extractor housing, the entire structure of the extractor housing is simplified.
  • the collecting device can also be configured as a separate container from the extractor housing.
  • the container may be attached to the filter unit or may form part of the filter unit.
  • One embodiment of this structure is the provision of a gutter on the side of the filter unit, which in the assembled state forms the deep end of the filter unit.
  • the collecting device may, according to one embodiment, have a drain for discharging intercepted contaminants.
  • the drain may be a closable opening in the catcher. But it is also possible to form the drain through a projecting into the catcher tube or hose.
  • FIG. 1 shows a schematic sectional view of a first embodiment of the extractor hood according to the invention 1.
  • This comprises a fume hood housing 2, which comprises a bottom 21 and side walls.
  • the extractor housing 2 has a cover 24.
  • a fan 11 of the extractor hood 1 is received, can be sucked through the air in the extractor housing 2.
  • the cleaned air can leave the extractor housing 2 via an outlet 25 which is provided in the cover 24 of the extractor housing 2.
  • a suction opening 3 is provided in the slope 26, which extends between the bottom 21 and the front 23 of the extractor housing 2.
  • the suction opening 3 does not cover the entire surface of the slope 26, whereby there is a frame around the suction opening 3 in the slope. However, it is also possible that the suction opening extends over the entire surface of the slope 26.
  • a baffle plate 4 is arranged, which is arranged parallel to the suction opening 3 in the illustrated embodiment. This baffle plate 4 is attached to the extractor housing 2. The attachment is not shown in the figure. Between the baffle plate 4 and the slope 3, there is a gap S, can enter through the air in the interior of the extractor housing 2. But the baffle plate 4 can also be such dimensions have that in addition to or as an alternative to the existing between the slope 26 and the baffle plate 4 gap S around the baffle plate 4 peripheral edge gap (not shown) is formed.
  • a filter unit 5 is arranged behind the suction opening 3. This is in the illustrated embodiment, parallel to the slope 26, in which the suction opening 3 is provided, arranged.
  • the filter unit 5 is thus arranged inclined relative to the horizontal. In the FIG. 1 the filter unit 5 is swung out by an angle ⁇ of 47 ° from the horizontal.
  • the lower side of the filter unit 5 is in this case on the bottom 21 of the extractor housing 2.
  • the filter unit 5 may be held in the extractor housing 2, for example via rails or other fixing means.
  • the filter unit 5 has a length which is greater than the length of the bevel 26 or at least greater than the length of the suction opening 3. In order to be able to remove the filter unit 5 simply from the extractor housing 2, it can either be constructed in several parts and / or have a width that is smaller than the width of the suction opening 3.
  • Air W which rises, for example, from a cooking point arranged under the extractor hood 1 and is also referred to below as vapor or vapor, is loaded with impurities.
  • this air is deflected to the edge regions of the baffle plate 4 and enters via the gap S in the extractor housing 2 a. If the baffle plate 4 at least partially designed permeable to air, so a part of the air W will pass through the baffle plate 4 and possibly at least partially pre-cleaned.
  • the air W After entering the extractor housing 2, the air W impinges on the filter unit 5 and is there freed of impurities. The thus purified air is passed through the blower 11 to the outlet 25 and exits there from the extractor housing 2.
  • the impurities separated or precipitated from the air in the filter unit 5 are largely liquid materials such as oil, grease and water. These impurities can run due to the arrangement of the filter unit 5 in this to the lowest point of the filter unit 5. The impurities can thus reach the bottom 21 of the extractor housing 2 and collected or collected there become. At the bottom 21, an outlet opening (not shown) may be provided, via which the contaminants can be removed from the extractor housing 2. But it is also possible with the dashed line in the FIG. 1 indicated collecting container 6, for example in the form of a groove on the bottom 21 of the extractor housing 2 provide. The collecting container 6 may be attached to the ground or provided on the filter unit 5 and secured thereto.
  • FIG. 2 a second embodiment of the extractor hood 1 according to the invention is shown.
  • This embodiment has substantially the same structure as the first embodiment.
  • the filter unit 5 is arranged in the extractor housing 2 in a different manner.
  • the other components of the hood 1 correspond to those in FIG. 1 are shown, are provided with the same reference numerals and their structure, arrangement and function will not be described again.
  • the filter unit 5 of the second embodiment is spaced from the slope 26, in which the suction opening 3 is provided.
  • the filter unit 5 is in this embodiment by an angle ⁇ which is less than the angle ⁇ in the first embodiment and in the illustrated embodiment is 33 °, pivoted from the horizontal.
  • the length of the filter unit 5 is shorter in the second embodiment than in the first embodiment and is in particular smaller than the length of the suction opening third
  • an inner housing 7 is provided in the extractor housing 2 of the second embodiment.
  • the blower 11 of the hood 1 is added.
  • the front wall 72 of the inner housing may extend over the entire width of the extractor housing 2 and form the inner housing 7 with the side walls of the extractor housing 2.
  • the front wall 72 may have a smaller width.
  • further side walls of the inner housing 7 are provided.
  • the rear side of the inner housing 7 is formed by the rear wall 22 of the extractor housing 2.
  • an inlet opening 71 is formed by the front wall 72, the rear wall 22 and optionally further side walls of the inner housing 7.
  • the filter unit 5 In this inlet opening 71 is the filter unit 5 arranged and covers these.
  • the filter unit 5 thus extends from the front wall 72 of the inner housing 7 to the rear wall 22 of the extractor housing 2, wherein the lower side of the filter unit 5 faces the rear wall 22.
  • a collecting container 6 is provided at this point. This can be attached to the rear wall 22. Alternatively, the collecting container 6 may be attached to the filter unit 5.
  • the air to be purified W passes through the gap S and the suction opening 3 in the interior of the extractor housing 2, in the area between the extractor housing 2 and the inner housing 7.
  • the impurities deposited in the filter unit 5 can run in the filter unit 5 to their lowest point and are collected there in the collecting container 6.
  • FIG. 3 a third embodiment of the extractor hood 1 according to the invention is shown.
  • This embodiment has substantially the same structure as the second embodiment, only the filter unit 5 is arranged in the extractor housing 2 in another way in the third embodiment.
  • the other components of the hood 1 correspond to those in FIG. 2 are shown, are provided with the same reference numerals and their structure, arrangement and function will not be described again.
  • the filter unit 5 is pivoted in the third embodiment by an angle ⁇ out of the horizontal.
  • the angle ⁇ is smaller than the angle ⁇ of the second embodiment.
  • the angle ⁇ is 16 ° in the illustrated embodiment.
  • the collecting container 6 is formed as part of the filter unit 5, that is attached to this.
  • an inner housing may also be provided in the first embodiment.
  • the suction opening can also be in the second and third embodiment extend over the entire surface of the slope.
  • the extractor housing may have a different shape than that shown.
  • the extractor housing can be designed without bottom and the slope, in which the suction opening is provided, thus extending from the back of the extractor housing to the front of the extractor housing.
  • the collecting container may be attached to the filter unit or formed as part of the filter assembly, for example as a collecting channel on one of the edges of the filter assembly. Alternatively or additionally, the collecting container can be provided on the extractor housing, in particular attached thereto.

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  • 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)
EP08105667.3A 2007-11-26 2008-10-27 Hotte aspirante Withdrawn EP2063189A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007056715A DE102007056715A1 (de) 2007-11-26 2007-11-26 Dunstabzugshaube

Publications (2)

Publication Number Publication Date
EP2063189A2 true EP2063189A2 (fr) 2009-05-27
EP2063189A3 EP2063189A3 (fr) 2016-08-17

Family

ID=40377510

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08105667.3A Withdrawn EP2063189A3 (fr) 2007-11-26 2008-10-27 Hotte aspirante

Country Status (2)

Country Link
EP (1) EP2063189A3 (fr)
DE (1) DE102007056715A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102980229A (zh) * 2012-11-19 2013-03-20 宁波方太厨具有限公司 侧吸式吸油烟机的导油结构
DE102014208388A1 (de) 2013-12-18 2015-06-18 BSH Hausgeräte GmbH Dunstabzugshaube
DE102015202805A1 (de) 2015-02-17 2016-08-18 BSH Hausgeräte GmbH Dunstabzugshaube mit Sammelbehälter
DE102015202838A1 (de) 2015-02-17 2016-08-18 BSH Hausgeräte GmbH Dunstabzugshaube mit Sammelbehälter
CN106642260A (zh) * 2016-12-29 2017-05-10 宁波方太厨具有限公司 一种侧吸式吸油烟机的导油结构
USD952828S1 (en) 2020-07-28 2022-05-24 Whirlpool Corporation Vent hood
US11428419B2 (en) 2020-07-28 2022-08-30 Whirlpool Corporation Vent hood assembly

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010039411A1 (de) * 2010-08-17 2012-02-23 BSH Bosch und Siemens Hausgeräte GmbH Filtereinheit für eine Dunstabzugshaube sowie Dunstabzugshaube
DE102010039404A1 (de) * 2010-08-17 2012-02-23 BSH Bosch und Siemens Hausgeräte GmbH Filtereinheit für eine Dunstabzugshaube
DE102011110455A1 (de) 2010-08-17 2012-02-23 Adek Bauteile Gmbh Filterelement einer Dunstabzugshaube
DE102014108237A1 (de) * 2014-06-12 2015-12-17 Miele & Cie. Kg Dunstabzugshaube
DE102022132203A1 (de) 2022-12-05 2024-06-06 Miele & Cie. Kg Dunstabzug

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003073007A1 (fr) 2002-02-27 2003-09-04 BSH Bosch und Siemens Hausgeräte GmbH Hotte d'extraction et procede d'aspiration et/ou de purification de substances porteuses contaminees
EP1239226B1 (fr) 2001-03-05 2006-08-02 Imperial-Werke oHG Hotte aspirante

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DD142651B1 (de) * 1979-04-04 1984-12-05 Becker Rolf Dipl Ing Absaughaube mit variabler absaug- und filterwirkung
DE8303643U1 (de) * 1983-02-10 1983-08-11 Homeier, Max, 8411 Viehhausen Nischenluefter
GB2270638B (en) * 1992-09-18 1995-08-23 Fuji Industries Co Ltd Range hood
US5662097A (en) * 1996-11-13 1997-09-02 Panos; Mihail Stove hood with fluid filter cleaning means
US6878195B2 (en) * 2000-02-04 2005-04-12 Vent Master (Europe) Ltd. Air treatment apparatus
CA2593242C (fr) * 2005-01-06 2014-05-20 Oy Halton Group, Ltd Hotte d'extraction compacte

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1239226B1 (fr) 2001-03-05 2006-08-02 Imperial-Werke oHG Hotte aspirante
WO2003073007A1 (fr) 2002-02-27 2003-09-04 BSH Bosch und Siemens Hausgeräte GmbH Hotte d'extraction et procede d'aspiration et/ou de purification de substances porteuses contaminees

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102980229A (zh) * 2012-11-19 2013-03-20 宁波方太厨具有限公司 侧吸式吸油烟机的导油结构
CN102980229B (zh) * 2012-11-19 2015-07-29 宁波方太厨具有限公司 侧吸式吸油烟机的导油结构
DE102014208388A1 (de) 2013-12-18 2015-06-18 BSH Hausgeräte GmbH Dunstabzugshaube
DE102015202805A1 (de) 2015-02-17 2016-08-18 BSH Hausgeräte GmbH Dunstabzugshaube mit Sammelbehälter
DE102015202838A1 (de) 2015-02-17 2016-08-18 BSH Hausgeräte GmbH Dunstabzugshaube mit Sammelbehälter
CN105890001A (zh) * 2015-02-17 2016-08-24 Bsh家用电器有限公司 具有收集容器的抽油烟机
CN106642260A (zh) * 2016-12-29 2017-05-10 宁波方太厨具有限公司 一种侧吸式吸油烟机的导油结构
USD952828S1 (en) 2020-07-28 2022-05-24 Whirlpool Corporation Vent hood
US11428419B2 (en) 2020-07-28 2022-08-30 Whirlpool Corporation Vent hood assembly
USD1011505S1 (en) 2020-07-28 2024-01-16 Whirlpool Corporation Vent hood

Also Published As

Publication number Publication date
DE102007056715A1 (de) 2009-05-28
EP2063189A3 (fr) 2016-08-17

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