WO2011085859A1 - Unité de filtre pour une hotte aspirante et hotte aspirante - Google Patents

Unité de filtre pour une hotte aspirante et hotte aspirante Download PDF

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Publication number
WO2011085859A1
WO2011085859A1 PCT/EP2010/068581 EP2010068581W WO2011085859A1 WO 2011085859 A1 WO2011085859 A1 WO 2011085859A1 EP 2010068581 W EP2010068581 W EP 2010068581W WO 2011085859 A1 WO2011085859 A1 WO 2011085859A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
baffle
filter unit
baffle plate
filter element
Prior art date
Application number
PCT/EP2010/068581
Other languages
German (de)
English (en)
Inventor
Ralf Grobleben
Dietmar Jordan
Ulmar Neumann
Original Assignee
BSH Bosch und Siemens Hausgeräte 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 Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to CN201080058834.8A priority Critical patent/CN102656409B/zh
Priority to EP10787389A priority patent/EP2516930A1/fr
Publication of WO2011085859A1 publication Critical patent/WO2011085859A1/fr

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

Definitions

  • Filter unit for an extractor hood and extractor hood
  • the invention relates to a filter unit for a cooker hood and an extractor hood.
  • Extraction hood in the inner region suction openings are provided with a small cross-section and in the edge region a slot is provided, through which an air inlet with high flow velocity is realized in the hood.
  • a disadvantage of this extractor hood is that the suction and the gap over which the air enters the extractor hood, are visible. At these suction, behind which optionally a filter may be provided, there are deposits of impurities and possibly also to a discoloration of the filter material after a certain period of use. As a result, the visual appearance of the
  • DE 10 2008 020 149 A1 discloses a filter unit which has a vapor guide plate which at least partially holds a filter element and which has a baffle region, and also has a peripheral suction region at least partially surrounding the baffle region of the vapor guide baffle.
  • the Randabsaug Scheme is formed in this filter unit by a part of the Wrasenleitblechs and / or by a part of the filter element.
  • Object of the present invention is therefore to provide a filter unit that allows reliable Randabsaugung on a cooker hood with reliable cleaning of the incoming vapors and steam and also has an improved visual appearance.
  • the filter unit that allows reliable Randabsaugung on a cooker hood with reliable cleaning of the incoming vapors and steam and also has an improved visual appearance.
  • Filter unit also easy to maintain.
  • the invention is based on the finding that this object can be achieved by the filter element comprises two components which serve to guide the air to a filter element and which are interconnected.
  • the object is therefore achieved by a filter unit for an extractor hood with a filter element which at least partially covers the suction opening of the extractor hood.
  • the filter unit is characterized in that the filter unit comprises an air guide plate which at least surrounds the filter element, and a baffle plate which completely covers the filter surface of the filter element, and the baffle plate is connected to the air guide plate.
  • directional information such as top, bottom, side, top, bottom and the like, unless otherwise stated, are used as they apply to a mounted in a cooker hood with a horizontal viewing hood filter unit.
  • a horizontal viewing hood filter unit For extractor hoods in which the viewing hood is arranged inclined to the horizontal, these are
  • a filter unit is understood to be a structural unit of an extractor hood, in which contaminated air is guided to a filter element and can be cleaned on the filter element.
  • the filter unit is a structural unit for filtering out particles, in particular of grease, oil or water particles.
  • the filter element is a planar element whose surface is at least partially for the Inlet of contaminated air is used in the filter material.
  • a filter material according to the invention for example, expanded metal can be used.
  • the suction opening of the extractor hood according to the invention is the opening, through the air from a viewing hood or a Wrasenconnect to a
  • Extractor hood is passed, in which a fan blower of the
  • Extractor hood is optionally provided in a fan housing.
  • baffle plate As a baffle plate according to the invention a deflecting understood that the direct, that is immediate, flow against the filter element prevented by flowing from below to the hood fumes. Furthermore, the baffle plate serves to guide the direct, that is immediate, flow against the filter element prevented by flowing from below to the hood fumes. Furthermore, the baffle plate serves to guide the direct, that is immediate, flow against the filter element prevented by flowing from below to the hood fumes. Furthermore, the baffle plate serves to guide the
  • the baffle plate and the air baffle are separate components, which are connected to one another via suitable connecting means.
  • the connection can be made directly, that is, via connecting means such as pins or rivets between the two components.
  • the connection takes place indirectly, for example via the filter element.
  • the filter element at least partially covers the suction opening of the extractor hood. This means that in projection of the filter element on the
  • the surface of the filter element Suction, preferably in a vertical projection on the suction, the surface of the filter element, the surface of the suction at least partially superimposed. If the projection surface of the filter element is smaller than the area of the suction opening, then the projection surface of the filter element is preferably located in the area of the suction opening.
  • the air baffle surrounds the filter element according to the invention at least.
  • the outer edge of the baffle is in a perpendicular projection on the filter element outside the edge of the flat filter element, that is, the surface of the filter element is surrounded by the outer edge of the baffle in a vertical projection.
  • the air baffle extends over the edges of the filter element laterally, forwards and backwards. This part of the air guide plate thus forms a flat frame around the flat filter element.
  • the baffle plate according to the invention completely covers the filter surface of the filter element.
  • a filter surface in this case the surface of the filter element is designated, via which can enter the filter material during use of the filter unit vapors.
  • the complete covering of this filter surface which can also be referred to as the active filter surface of the filter element, means that the filter surface lies in the surface of the baffle plate in a vertical projection of the filter surface onto the baffle plate.
  • the air guide plate at least surrounds the filter element, the vapor can be reliably conducted to the active filter surface of the filter element and cleaned there. Further, by the baffle plate completely covers the filter surface of the filter element, a direct flow of the filter element, which would promote a passage of uncleaned vapor through the filter element can be prevented. Finally, the air baffle and the baffle plate
  • Air baffle is arranged, can be prevented.
  • a targeted air line can be adjusted in the filter unit and also maintained by the connection of the baffle plate with the air baffle.
  • the area covered by the baffle plate is smaller than the area covered by the air baffle. This means that the width and depth of the baffle plate is less than the width and depth of the baffle.
  • the size of the baffle plate is particularly preferably larger than a base area of the air baffle.
  • Air baffle with the filter unit mounted only the baffle plate and a part of the edge region of the baffle plate are visible from below. Due to the difference between the size of the baffle plate and the size of the air baffle also an edge gap is formed, via which an extraction of Wrasens can take place.
  • the air guide plate has an inverted trough shape with an inclined edge region and a base surface.
  • the trough shape has a sloping edge region whose angle of inclination to the base is greater than 0 °, but preferably less than 45 °, more preferably less than 25 °, the vapor is reliably directed to the base, in or on the
  • the inclined edge region is preferably formed by plane or curved inclined surfaces of the air baffle. As a result, turbulences that could occur at edges or heels in this area and would lead to deposition of impurities can be prevented.
  • the baffle plate is received in the air baffle. As receiving the baffle plate in the air baffle is an arrangement of
  • Air baffle protrudes.
  • the baffle plate is arranged so that it is spaced apart from inner surfaces of the three-dimensional structure.
  • the underside of the baffle plate is preferably located on a plane with or above the underside of the air baffle.
  • the baffle plate can be accommodated in a trough-shaped air baffle. The baffle plate is thus not on the underside of the viewing cover over and thus improves the visual appearance on.
  • the baffle plate is arranged at a distance from the air baffle.
  • a distance from the air baffle.
  • the edge gap preferably formed between the edge of the baffle plate and the edge of the baffle plate.
  • a further area for the edge suction is formed.
  • the baffle plate is formed as a flat plate, a projection of the baffle plate on the underside of the hood is prevented, thus further improving the visual appearance.
  • the baffle plate has a trough shape which is aligned opposite to a trough shape of the air baffle.
  • air guide elements or other elements may be provided on the upper side of the baffle plate.
  • the edge of the baffle plate can be folded upwards.
  • the filter element is held on the air guide plate.
  • a separate filter holder is unnecessary.
  • the air baffle can do that
  • the filter element can be represented by a filter layers held by a frame.
  • the filter element preferably covers the base of the baffle.
  • the base can be formed by the filter element in this embodiment.
  • the air guide plate consists only of the inclined edge region in which the filter element is received in the middle.
  • the base surface of the air guide plate is a perforated plate with air passage openings.
  • the filter element can be placed on the top of the base and fixed there.
  • the baffle plate can be connected to the perforated plate.
  • the perforated plate, which forms the base surface, and the inclined edge region of the air baffle are preferably made of one part.
  • the air baffle can be brought by punching, bending and / or deep drawing in the desired shape and the
  • Air passage openings are provided therein.
  • the one-piece design of the air baffle improves the stability of the filter unit and thus also its assembly and handling.
  • the baffle plate is connected via connecting elements with the air guide plate, which are arranged in the surface of the filter element. As in the surface of the filter element are arranged according to the present invention
  • connecting elements which lie in a perpendicular projection on the surface of the filter element in its surface and spaced from the edge thereof.
  • the connecting elements may be on the filter element itself or else
  • the filter element is held on a perforated plate
  • the filter unit is a preassembled or preassembled unit.
  • the filter element and the baffle plate are already supplied as a preassembled unit, their installation in the hood is simplified.
  • the baffle plate and the air baffle according to the present invention preferably consist of a sheet metal material, in particular of stainless steel sheet.
  • the invention relates to an extractor hood, in which a filter unit is used according to the present invention.
  • the hood is according to one embodiment, a Schrägesse.
  • an extractor hood is referred to, in which pivoted at the bottom of a fireplace, a viewing hood to the horizontal, that is inclined to the horizontal, is arranged.
  • the advantages of the filter unit according to the invention can be particularly useful because the user in this embodiment has a direct view of the underside of the viewing hood, which is directed forward.
  • Advantages and features that are described with respect to the filter unit according to the invention apply - as applicable - according to the
  • Extractor hood according to the invention and vice versa.
  • FIG. 1 shows a schematic exploded view of the main components of the filter unit according to the invention.
  • FIG. 2 shows a schematic sectional view of a region of a viewing hood of a fume extraction device with a filter unit in accordance with FIG
  • FIG. 1 shows a schematic exploded view of the main components of the filter unit 2 according to the invention.
  • the filter unit 2 in this case comprises an air guide plate 21 and a baffle plate 22.
  • the air guide plate 21 has in the
  • a downwardly open trough shape a downwardly open trough shape.
  • the upper floor of the tub is formed by the base 21 1 of the baffle. In the base 21 1 are distributed over the surface
  • Air passage openings 212 are provided.
  • the flat base 21 1 is surrounded by an inclined edge region 213.
  • the edge region 213 is inclined so that it extends from the base 21 1 down and out. As a result, the trough shape is formed.
  • connecting webs 214 are formed. These can be formed by bending the edge of the inclined edge portion 213 upwards. The upper ends of the connecting webs 214 may further be bent inwardly from the connecting web 214 (see Figure 2).
  • the baffle plate 22 has a flat bottom.
  • the surface of the baffle plate 22 corresponds at least to the size of the base 21 1 of the baffle 21st.
  • Extractor hood 1 shown, in which an embodiment of the filter unit 2 according to the invention is integrated.
  • the viewing hood 1 1 forms the lower part of the
  • Extractor hood 1 Above the viewing hood 1 1, a non-illustrated fume hood housing is provided, which is optionally clad by a fireplace. In the extractor housing, a fan blower (not shown) is provided, via the steam and vapor from a below the
  • the viewing hood 1 1 has a box shape in the illustrated embodiment and has in the bottom of an air inlet opening 1 12, which is bounded at its edges by an upward, that is directed into the viewing hood 1 1 Abbug 1 13 of the material of the viewing hood 1 1 , At the Abbug 1 13, in particular on a flange provided thereon, the inner hood 1 1 1 of the hood 1 is attached.
  • the inner hood 1 1 1 has an inverted trough shape. In the bottom of the tub shape, the suction opening 1 1 1 is provided, can get over the air to the above the inner hood 1 1 1 provided in the extractor fan blower fan.
  • the filter unit 2 is introduced and covers the entire air inlet opening 1 12 of the sighting hood 1 1 from. This is provided so that the air baffle 21 with its connecting webs 214 at the Abbug 1 13 of the viewing hood 1 1 rest.
  • the filter unit 2 is so far in the
  • a filter element 23 is arranged on the base surface 21 1 of the air baffle 21.
  • air passage openings 212 are provided in the base area.
  • the filter element 23 consists in the illustrated embodiment of a plurality of filter layers 231, which on the
  • the filter layers 231 are held in the illustrated embodiment by fixing elements 232 on the base 21 1.
  • the fixing element 232 may be, for example, a plastic pin or a plastic rivet. In this case, the fixing element 232 holds both the individual filter layers 232 together and also fixes them to the air guide plate 21.
  • the baffle plate 22 is introduced from below.
  • the baffle plate 22 is connected via connecting elements 26 on the
  • the connecting element 26 represents in the illustrated embodiment, a pin whose lower end comprises a mounting plate.
  • the mounting plate 261 rests on the top of the baffle 22.
  • An edge of the mounting plate 261 extends to the edge of the baffle 22.
  • the edge of the baffle 22 is formed by a fold 221 in the illustrated embodiment. This is bent relative to the surface of the baffle 22 upwards and inwards. This is between the fold 221 and the
  • a further fixing element 232 for fixing the filter layers 23 is provided above the connecting element 26.
  • the connecting element 26 and the fixing element 232 can also be replaced by a single element that fulfills both functions.
  • baffle plate 22 is fastened by the connecting elements 26 on the air guide plate 21 and held to this at a defined distance down.
  • the width and depth of the baffle plate 22 correspond at least to the width and depth of the base 21 1 of the baffle 21st In the illustrated embodiment, the width of the baffle plate 22 is even greater than the width of the base 21 1.
  • the width and depth of the baffle plate 22 but also chosen so that they are less than the width and depth of the baffle 21st
  • the height of the fold 221 on the baffle plate 22 is kept small and their orientation, ie inclination is chosen so that this substantially corresponds to the inclination of the inclined edge portion 213 of the air baffle 21. As a result, an approximately constant channel between the inclined edge region 213 and the fold 221 is created.
  • Edge region 213 of the air baffle 21, an edge gap 25 is formed in the horizontal.
  • the edge of the baffle plate 22 lies between the outer edge of the base 21 1 and the outer edge of the inclined portion 213. Therefore, only the inclined portion 213 of the baffle 21 but the base 21 1 is visible to the user of the hood.
  • the edge suction region 24 extends upwards along the inclined edge region 213 and the fold 221.
  • the air flow within the filter unit 2 is indicated schematically in Figure 2 by arrows.
  • the vapors flowing from below to the extractor hood 1, in particular to the viewing hood 1 1, strikes the underside of the baffle plate 22 and is guided along the surface of the baffle plate 22 to the edge gap 25. There, the vapor can enter the filter unit 2. About the edge gap 25 reaches the
  • Connecting elements 26, in particular two or four may be sufficient and the dimensions, in particular the diameter of the connecting elements 26 is low, the Wrasenstrom is influenced only slightly by these connecting elements 26.
  • the vapor can thus over the entire base 21 1 and in particular by the provided in the base 21 1
  • Air passage openings 212 reach the mounted on the base 21 1 filter element 23. By passing through the filter layers 231 impurities are separated from the vapor and retained in the filter material. The thus cleaned air can then pass through the suction opening 1 1 1 1 of the inner hood 1 1 1 in the extractor housing and are passed through the fan fan to an air outlet on the hood 1.
  • the filter layers of the filter element are not visible to the user.
  • the filter elements tend to be more irregular
  • the filter unit according to the invention however, the user sees only one gap, namely the edge gap formed between the air guide plate and the baffle plate.
  • the filter element arranged behind the baffle plate has a large active filter area, via which vapors can be cleaned.
  • the filter surface is arranged in the immediate vicinity of the suction opening of the extractor hood and thereby a reliable onset of Wrasens be ensured in the filter element.

Landscapes

  • 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)
  • Separating Particles In Gases By Inertia (AREA)
  • Ventilation (AREA)

Abstract

L'invention concerne une unité de filtre pour une hotte aspirante (1) munie d'un élément de filtre (23) qui recouvre au moins en partie l'ouverture d'aspiration (1111) de la hotte aspirante (1). L'unité de filtre (2) est caractérisée en ce qu'elle comprend au moins en partie une tôle de guidage d'air (21) qui entoure au moins l'élément de filtre (23), et une plaque d'impact (22) qui recouvre complètement la surface de filtre de l'élément de filtre (23), et la plaque d'impact (22) est connectée à la tôle de guidage d'air (21). L'invention concerne en outre une hotte aspirante (1) munie d'une telle unité de filtre (2).
PCT/EP2010/068581 2009-12-21 2010-12-01 Unité de filtre pour une hotte aspirante et hotte aspirante WO2011085859A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201080058834.8A CN102656409B (zh) 2009-12-21 2010-12-01 用于排烟罩的过滤器单元和排烟罩
EP10787389A EP2516930A1 (fr) 2009-12-21 2010-12-01 Unité de filtre pour une hotte aspirante et hotte aspirante

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910059836 DE102009059836A1 (de) 2009-12-21 2009-12-21 Filtereinheit für eine Dunstabzugshaube und Dunstabzugshaube
DE102009059836.7 2009-12-21

Publications (1)

Publication Number Publication Date
WO2011085859A1 true WO2011085859A1 (fr) 2011-07-21

Family

ID=43629650

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/068581 WO2011085859A1 (fr) 2009-12-21 2010-12-01 Unité de filtre pour une hotte aspirante et hotte aspirante

Country Status (4)

Country Link
EP (1) EP2516930A1 (fr)
CN (1) CN102656409B (fr)
DE (1) DE102009059836A1 (fr)
WO (1) WO2011085859A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2662636A3 (fr) * 2012-05-11 2014-02-26 BSH Bosch und Siemens Hausgeräte GmbH Elément intermédiaire pour hotte aspirante, notamment cheminée et hotte aspirante

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010039408A1 (de) * 2010-08-17 2012-02-23 BSH Bosch und Siemens Hausgeräte GmbH Luftleiteinheit für Ansaugöffnung einer Dunstabzugshaube
DE102011083565A1 (de) 2011-09-27 2013-03-28 BSH Bosch und Siemens Hausgeräte GmbH Sichthaube für eine Dunstabzugsvorrichtung
DE102015100207B4 (de) * 2015-01-09 2021-09-30 Miele & Cie. Kg Dunstabzugshaube
DE102015203671A1 (de) * 2015-03-02 2016-09-08 BSH Hausgeräte GmbH Filtereinheit für eine dunstabzugshaube
US11885505B2 (en) 2018-04-10 2024-01-30 BSH Hausgeräte GmbH Filter device and fume extraction device comprising filter device
US20210348770A1 (en) * 2020-05-07 2021-11-11 Bsh Home Appliances Corporation Kitchen ventilation system

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US2868108A (en) * 1955-06-09 1959-01-13 Ulric K Petersen Ventilator
DE1454643A1 (de) 1964-06-11 1969-03-20 Siemens Elektrogeraete Gmbh Dunstabzugshaube
JP2004263908A (ja) * 2003-02-28 2004-09-24 Toshiba Kyaria Kk レンジフードファン
DE102005048986A1 (de) * 2005-10-11 2007-04-12 Uwe Pionati Dunstabzugshaube; Verfahren zur Verbesserung des Überschussdampf enthaltenden Raumklimas
WO2008099574A1 (fr) * 2007-02-14 2008-08-21 Panasonic Corporation Hotte de cuisine
CN201170627Y (zh) * 2008-01-24 2008-12-24 宁波市万茂电器有限公司 一种近吸式油烟机
DE102008020149A1 (de) 2008-04-22 2009-10-29 BSH Bosch und Siemens Hausgeräte GmbH Filtereinheit für eine Dunstabzugsvorrichtung und Dunstabzugsvorrichtung
US20090288655A1 (en) * 2008-05-20 2009-11-26 Chiung-Yao Tsai Grease filter assembly for
CN101592352A (zh) * 2009-07-10 2009-12-02 宁波方太厨具有限公司 一种不易在过滤装置上残留油污的吸油烟机

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CN2319716Y (zh) * 1997-12-19 1999-05-19 南京理工大学 家用内循环式除油烟机
DE19848394C1 (de) * 1998-10-21 2000-07-06 Rolf Obert Filteranordnung, insbesondere für den Einsatz als Fettfilter in Dunstabzügen bei Kochstellen
CN1333445A (zh) * 2000-07-07 2002-01-30 沈冬生 一种免拆洗厨用油烟净化机
CN2637948Y (zh) * 2003-01-27 2004-09-01 黎泽盛 厨房油烟净化机
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CN200979232Y (zh) * 2006-10-27 2007-11-21 张国苗 一种抽油烟机的隔油装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2868108A (en) * 1955-06-09 1959-01-13 Ulric K Petersen Ventilator
DE1454643A1 (de) 1964-06-11 1969-03-20 Siemens Elektrogeraete Gmbh Dunstabzugshaube
JP2004263908A (ja) * 2003-02-28 2004-09-24 Toshiba Kyaria Kk レンジフードファン
DE102005048986A1 (de) * 2005-10-11 2007-04-12 Uwe Pionati Dunstabzugshaube; Verfahren zur Verbesserung des Überschussdampf enthaltenden Raumklimas
WO2008099574A1 (fr) * 2007-02-14 2008-08-21 Panasonic Corporation Hotte de cuisine
CN201170627Y (zh) * 2008-01-24 2008-12-24 宁波市万茂电器有限公司 一种近吸式油烟机
DE102008020149A1 (de) 2008-04-22 2009-10-29 BSH Bosch und Siemens Hausgeräte GmbH Filtereinheit für eine Dunstabzugsvorrichtung und Dunstabzugsvorrichtung
US20090288655A1 (en) * 2008-05-20 2009-11-26 Chiung-Yao Tsai Grease filter assembly for
CN101592352A (zh) * 2009-07-10 2009-12-02 宁波方太厨具有限公司 一种不易在过滤装置上残留油污的吸油烟机

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Title
See also references of EP2516930A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2662636A3 (fr) * 2012-05-11 2014-02-26 BSH Bosch und Siemens Hausgeräte GmbH Elément intermédiaire pour hotte aspirante, notamment cheminée et hotte aspirante

Also Published As

Publication number Publication date
EP2516930A1 (fr) 2012-10-31
CN102656409A (zh) 2012-09-05
DE102009059836A1 (de) 2011-06-22
CN102656409B (zh) 2016-03-23

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