EP3904772A1 - Hotte aspirante pourvue de calotte de visibilité et d'élément interne - Google Patents

Hotte aspirante pourvue de calotte de visibilité et d'élément interne Download PDF

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Publication number
EP3904772A1
EP3904772A1 EP21175888.3A EP21175888A EP3904772A1 EP 3904772 A1 EP3904772 A1 EP 3904772A1 EP 21175888 A EP21175888 A EP 21175888A EP 3904772 A1 EP3904772 A1 EP 3904772A1
Authority
EP
European Patent Office
Prior art keywords
inner element
hood
extractor hood
viewing
extractor
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
Application number
EP21175888.3A
Other languages
German (de)
English (en)
Inventor
Alexander Roemmelt
Thomas Kotlinski
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 EP3904772A1 publication Critical patent/EP3904772A1/fr
Pending 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

Definitions

  • Extractor hoods are known in which the extractor hood comprises a viewing hood.
  • the hood is the part of the extractor hood in which the suction opening through which air can enter the extractor hood and at least one outlet opening through which air can reach the fan of the extractor hood is provided.
  • the viewing hood usually has a box shape, the top side, side walls and part of the bottom side are formed by a bent sheet metal.
  • an inner frame in the viewing hood.
  • Such an inner frame is for example in the WO 2011 020803 A1 described.
  • This inner frame is attached to the fan box, that is to say to the housing surrounding the fan, and forms a basic structure with the fan box.
  • a disadvantage of such known extractor hoods is that the extractor hood is difficult to clean.
  • the invention is therefore based on the object of creating an extractor hood which has a simple structure and yet allows easy cleaning.
  • the invention is based on the knowledge that this object can be achieved in that the vapor is kept away from housing parts that are difficult to access by means of an inner element which can be cleaned in a simple manner.
  • an extractor hood which comprises a viewing hood and at least one inner element.
  • the inner element serves to cover the distance between a suction opening and an outlet opening of the viewing hood to a fan of the extractor hood.
  • the extractor hood is thereby characterized in that the inner element is connected to the viewing hood and the inner element is at least partially movable with respect to the viewing hood.
  • an extractor hood is referred to as an extractor hood which comprises a viewing hood and at least one inner element.
  • the extractor hood preferably also has a fan box in which the fan of the extractor hood is accommodated, and optionally a chimney which surrounds the fan box.
  • the extractor hood is therefore also known as a forge.
  • the viewing hood preferably has an outer hood, for example made of bent sheet metal.
  • at least one inner element is provided in the viewing hood.
  • the inner element is preferably received in the outer hood of the viewing hood and can be fastened to the outer hood at least in some areas.
  • the inner element can also be attached to the fan box.
  • a body is referred to as an inner element, which can preferably be a tub or mat and can also be referred to as an apron or vapor trap.
  • the inner element has an air passage through which air from the space defined by the inner element can exit the viewing hood, in particular through the outlet opening.
  • the inner element serves to cover the distance between the suction opening and an outlet opening of the viewing hood to the fan of the extractor hood.
  • the inner element preferably runs from the underside or in the vicinity of the underside of the viewing hood to the upper side thereof to the outlet opening of the viewing hood located there.
  • the inner element covers the entire suction opening apart from an air passage for supplying air to the outlet opening of the viewing hood.
  • the opening in the underside of the viewing hood through which air can enter the interior of the extractor hood and in particular the viewing hood is referred to as the suction opening.
  • one or more filter elements are inserted in the suction opening. These can be attached to the viewing hood, in particular the outer hood of the viewing hood and / or to the inner element.
  • An opening in the viewing hood, in particular the outer hood, via the air to the fan is referred to as an outlet opening the cooker hood.
  • the blower is also referred to as a fan and the housing in which the blower is accommodated is also referred to as a fan box.
  • the air passage of the inner element preferably has a size and shape that corresponds to the size and shape of the outlet opening of the viewing hood and is preferably the same as this.
  • the inner element is connected to the viewing hood and the inner element is movable with respect to the viewing hood.
  • the operating position of the inner element denotes the position in which the inner element is held firmly on the viewing hood and, in particular, is received in the outer hood.
  • the inner element in the operating position, preferably completely covers the distance between the suction opening and the outlet opening.
  • the underside of the inner element is generally horizontal.
  • the movement that the inner element can execute with respect to the viewing hood is preferably understood to be a movement away from the viewing hood, in particular downward.
  • a position into which the inner element can be moved out of the operating position with respect to the viewing hood is also referred to as the cleaning position.
  • the cleaning position at least part of the underside of the inner element is preferably directed forwards, that is to say facing the user of the extractor hood.
  • the inner element is movable with respect to the viewing hood in the extractor hood according to the invention, the access of the user to the inner element can be simplified.
  • the underside of the inner element which is generally exposed to air and on which impurities can settle, can be caused by movement at least a part of the inner element can be made more easily accessible to the user.
  • the inner element is connected to the viewing hood, it is not necessary in the case of the extractor hood according to the invention for the user to bear the entire weight of the inner element. Rather, the connection to the viewing hood can also be at least partially maintained when the inner element is moved out of the operating position.
  • the inner element can be made of plastic or metal.
  • the problem can be taken into account that in the course of operation of an extractor hood, it is wetted with grease.
  • functional parts such as electronics boxes that are provided in the viewing hood, including any protective cover that may be provided for this purpose, are also contaminated.
  • an inner element is used according to the invention that covers these elements and can be cleaned in a simple manner.
  • an inner frame forms part of the supporting structure of the extractor hood as a fixed element and in which the inner frame usually occupies a horizontal position above the hob, cleaning is simplified in the present invention.
  • the inner element is pivotably connected to the viewing hood.
  • the inner element can be connected to the viewing hood, in particular the outer hood, via a hinge.
  • pins or other bearing means provided in the pivot axis can also be used.
  • at least one locking element for example a latching element, is preferably provided. The locking element is used to fix the inner element in the operating position in the viewing hood.
  • the pivot axis of the pivotable inner element lies in the area of the front of the viewing hood, in particular the outer viewing hood, and runs through the front area, in particular through the front edge of the inner element.
  • the underside of the inner element which is directed downwards in the operating position, faces completely forward in a cleaning position in which the inner element is folded down about the pivot axis and the user of the extractor hood can therefore easily access the inner element Clean way.
  • the pivot axis runs through the front edge of the inner element, there is no upward protrusion of the inner element beyond the pivot axis, even in the pivoted position.
  • the inner element can be prevented from snagging or hitting the inside of the outer hood during pivoting.
  • the pivot axis is, for example, in the form of a hinge on the front side of the inner element
  • locking elements are preferably located on the rear side of the inner element, that is to say on the rear edge of the inner element.
  • laterally positioned locking elements can also be provided. Unintentional swinging open of the inner element can also be prevented, for example, by a safety chain.
  • the pivot axis can lie in the front edge of the viewing hood, in particular the outer hood. If a light bar is provided in the front area of the outer hood, the pivot axis is preferably offset to the rear by the depth of the light bar in the outer hood.
  • the inner element represents an element that is separate from a grease filter of the extractor hood.
  • one or more filter elements can be accommodated in the viewing hood. Since these represent separate elements to the inner element in the embodiment, the filters can be removed separately from the inner element of the extractor hood, for example for cleaning in the dishwasher.
  • the inner element on the other hand, can remain on the extractor hood and only be brought into a cleaning position when required, for example can be folded down or removed from the viewing hood.
  • the user of the extractor hood does not have to hold the weight of the filter together with the inner element if both components are to be cleaned. This further simplifies the cleaning of the extractor hood.
  • the inner element is constructed in several parts.
  • an inner element whose covered surface is formed by at least two adjacent parts is referred to as multi-part.
  • the inner element which represents a tub
  • the inner element can consist of two tub halves, a left and a right tub half.
  • a part of the air passage of the inner element is formed in each part of the inner element.
  • This configuration further simplifies the cleaning of the extractor hood.
  • the parts of the inner element can be released using less force and the weight of the individual parts is reduced compared to the total weight of the inner element and is thus easier to handle for the user.
  • the inner element can be removed from the extractor hood.
  • An inner element that can be detached from the extractor hood and in particular from the viewing hood and there particularly preferably from the outer viewing hood is referred to as removable. The loosening takes place here preferably without tools having to be used. Such a tool-free release of the inner element can be achieved, for example, by shifting, levering or some other movement of the inner element.
  • the mounting of the inner element can be released in order to remove the inner element.
  • the inner element can be removed from the extractor hood, it can be cleaned, for example, in a dishwasher or by the user, for example be cleaned in a sink. Since the user can loosen the inner element without tools, cleaning is further simplified.
  • the inner element can be fastened to the extractor hood at least in some areas via a form fit, magnetic connection and / or clamp connection.
  • the inner element can for example be held on the axis of rotation by a corresponding bearing and connected to the outer hood on the opposite side, in particular the rear side, of the inner element via latching means.
  • magnetic connection mechanisms can also be used in all embodiments of the inner element.
  • one or more magnets can be arranged on the outer hood and / or the inner element.
  • the inner element consists at least in some areas of a refractory material, in particular of silicone. It is particularly preferred in this embodiment if the entire inner element consists of silicone.
  • Fastening devices such as magnets, can be fastened to such an inner element.
  • the use of silicone has a number of advantages. In particular, the contaminants from the air can be reliably retained on the surface of a silicone element.
  • the surface of the inner element can be modified by surface treatment in such a way that the retention of the impurities is improved.
  • Such a surface treatment can take place in the case of interior elements made of silicone but also in the case of interior elements made of other plastics or metal.
  • the surface treatment can also be used to improve the aerodynamic properties of the surface by preventing turbulence.
  • At least one air guide element is provided on the inner element.
  • Parts that are at an angle to the respective surface on the top and / or bottom of the inner element on which they are provided are referred to as air guiding elements, that is to say are inclined to this.
  • one or more webs can be provided.
  • the air guiding element or elements are preferably aligned in such a way that they extend over at least part of the distance from the outer edge of the inner element extend to the air passage.
  • the air guiding element or elements preferably have an aerodynamically optimized shape and position.
  • the air guiding element or elements are preferably molded onto the inner element, that is to say formed in one piece with the body of the inner element, for example a trough shape.
  • the at least one air guide element is provided at least on the underside of the inner element. Additionally or alternatively, the at least one air guiding element can be provided on the edge of an air passage of the inner element to the outlet opening of the viewing hood.
  • the air guide elements By providing the air guide elements on the underside of the inner element, a reliable flow of air against the air guide elements can be ensured.
  • the provision of air guiding elements at the edge of the passage can additionally or alternatively prevent the tearing off of a laminar flow when flowing along the edge and thus likewise lead to an improved air flow.
  • the arrangement of the air guiding elements on the underside of the inner element is possible in the present invention, since the cleaning of these structures can be cleaned in a simple manner by moving the inner element into a cleaning position or by removing the inner element.
  • FIG. 1 is a schematic, perspective side view of a first embodiment of the extractor hood 1 according to the invention with an inner element 101 in the cleaning position.
  • the embodiment of the extractor hood 1 shown represents a so-called boxesse.
  • the extractor hood 1 comprises a chimney 11 and an adjoining viewing hood 10 which, in the embodiment shown, has a box shape.
  • the viewing hood 10 comprises an outer hood 100, which can for example consist of a bent sheet metal.
  • a suction opening 102 is formed in the underside of the viewing hood 10 and thus the outer hood 100.
  • the suction opening 102 is limited to the sides and to the rear by the underside of the outer hood.
  • the suction opening 102 is delimited to the front by a light strip 1000.
  • An inner element 101 is fastened to the viewing hood 10 and in particular to the outer hood 100.
  • the inner element 101 represents a frame which has the shape of a trough. The bottom of the tub shape is directed upwards in the operating position.
  • An air passage 1010 which can also be referred to as an air passage opening, is made in the bottom of the tub. The air passage 1010 is introduced in the rear, central region of the inner element 101.
  • the inner element 101 is attached to the outer hood 100.
  • the inner element 101 is connected to the viewing hood 10 and is movable with respect to the viewing hood 10.
  • the inner element 101 is in particular pivotably mounted.
  • the pivoting mounting can be done by a hinge (not shown).
  • the inner element 101 is pivotably mounted in the front region of the suction opening 102, that is to say adjacent to the light strip 1000.
  • the pivot axis of the pivotable inner element is thus in the area of the front of the viewing hood 10.
  • the pivot axis runs through the front edge of the inner element 101.
  • the inner element 101 is in Figure 1 shown in a cleaning position. In this position, the inner element 101 is pivoted downward from the horizontal and the rear side of the inner element 101 points downward. In Figure 1 In addition, securing elements 1013 are shown in the form of chains, which prevent further pivoting of the inner element 101 forwards. From the in Figure 1 The cleaning position shown, the inner element 101 can be brought into an operating position. In the operating position (not shown) the inner element 101 lies in the outer hood 100. In particular, the rear side of the inner element 101 is made from the FIG Figure 1 The cleaning position shown is pivoted upward about the axis of rotation until the edge 1012 of the inner element 101 lies in the viewing hood 10, in particular the outer hood 100.
  • latching means for example latching lugs (not shown) can be provided on the rear side of the inner element 101, which can interact with corresponding latching means, for example latching openings (not shown) in the rear inside of the outer hood 100.
  • Figure 2 is a schematic perspective top view of the first embodiment of the extractor hood 1 according to the invention with the inner element 101 in the cleaning position accordingly Figure 1 shown.
  • FIG 3 a schematic view of two embodiments of inner elements 101 is shown.
  • the inner element 101 is constructed in one piece and in the lower embodiment in two parts.
  • the other features of the embodiments according to Figure 3 are identical.
  • the inner element 101 has a tub shape, the bottom of which is directed upwards in the operating position of the inner element 101 in the extractor hood.
  • An air passage 1010 in the form of a square opening, which is located in the rear, central region of the inner element 101, is made in the floor.
  • the outer edge 1012 of the inner element is formed by a horizontal flange along the front and both sides of the inner element 101.
  • Air guide elements 1011 are provided on the underside of the inner element 101. In the embodiment shown, two types of air guiding elements 1011 are provided.
  • air guiding elements 1011 are provided in the form of webs which radiate out from the outer edge of the inner element 101 in the direction of the air passage 1012. Furthermore, air guide elements 1011 are provided, which are designed as short noses on the edge of the air passage 1012. The air guiding elements 1011 on the air passage 1012 extend partially into the surface of the air passage 1012. In the embodiment shown, the air guiding elements 1011 have a material thickness that is constant over the length and height. However, it is also within the scope of the invention to configure the air guiding elements 1011 in such a way that their material thickness changes over the length and / or height of the air guiding element 1011.
  • the rear side of the inner element 101 is formed by a vertically extending rear wall which is designed in one piece with the rear side of the tub bottom and the side walls of the tub.
  • the inner element 101 consists of a left and a right half. That is, the inner member 101 is separated along a parting line running in the center of the inner member 101 from the front to the rear.
  • the two halves can be fastened to one another via latching means (not shown).
  • FIG 4 a schematic bottom view of a further embodiment of the extractor hood 1 according to the invention is shown.
  • the inner element 101 lies in the viewing hood 10 of the extractor hood 1.
  • the inner element 101 is introduced into the underside of the outer hood 100 of the viewing hood 10.
  • a light strip 1000 is provided in the front area of the underside of the outer hood 100.
  • the inner element 101 covers the suction opening 102 of the extractor hood 1, which is delimited by the outer hood 100 and light strip 1000.
  • the air passage 1010 is aligned with the outlet opening 103 of the viewing hood 10.
  • the walls of the chimney 11 of the extractor hood 1 adjoin the outlet opening 103 at the top.
  • the size of the air passage 1010 is smaller than the outlet opening 103.
  • the size of the air passage 1010 can, however, also be the same as the size of the outlet opening 103.
  • the present invention has a number of advantages.
  • the inner element is preferably no longer designed as a load-bearing element.
  • the inner element which can also be referred to as the inner frame, can have flat surfaces, as a result of which cleaning by wiping is made easier. Cable guides, electronic components and construction elements can be covered by the inner element and are therefore not visible to the user and also protected from contamination.
  • the inner element can be an additively attached surface element which consists of light, flexible materials on which the vapor can condense.
  • the surface of an inner element made from this material or also from a rigid material can have aerodynamically positive and noise-insulating properties.
  • the inner element which can also be referred to as a fat apron, can be removed from the viewing hood, it can be cleaned in the dishwasher or washing machine. This means that there is no need for a laborious cleaning process underneath the extractor hood.
  • the inner element used according to the invention can be cost-effectively adapted and / or retrofitted to all common hood shapes. Construction elements and screws can be covered by the inner element and do not have to be hidden in a laborious and costly manner.
  • the fat deposited on them is added to the filter capacity of the extractor hood and the so-called fat filter ranking is improved as a result.
  • the calmed and / or optimized air flow can ensure a higher air throughput without the need to increase the fan output, i.e. the fan output. In this way, the energy requirement can also be reduced. In addition, the fan power remains the same due to the calmed and / or optimized air flow, lower flow noise is generated.
  • the present invention saves time and labor for the user when cleaning the extractor hood and improves the cleaning result. In particular, easier cleanability is ensured without the user having to be in an uncomfortable position under the extractor hood for an extended period of time.

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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)
EP21175888.3A 2016-03-23 2017-02-24 Hotte aspirante pourvue de calotte de visibilité et d'élément interne Pending EP3904772A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016204819.8A DE102016204819A1 (de) 2016-03-23 2016-03-23 Dunstabzugshaube mit Sichthaube und Innenelement
EP17157814.9A EP3222919B1 (fr) 2016-03-23 2017-02-24 Hotte aspirante comprenant un couvercle transparent et élément interne

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP17157814.9A Division EP3222919B1 (fr) 2016-03-23 2017-02-24 Hotte aspirante comprenant un couvercle transparent et élément interne
EP17157814.9A Division-Into EP3222919B1 (fr) 2016-03-23 2017-02-24 Hotte aspirante comprenant un couvercle transparent et élément interne

Publications (1)

Publication Number Publication Date
EP3904772A1 true EP3904772A1 (fr) 2021-11-03

Family

ID=58158979

Family Applications (2)

Application Number Title Priority Date Filing Date
EP17157814.9A Active EP3222919B1 (fr) 2016-03-23 2017-02-24 Hotte aspirante comprenant un couvercle transparent et élément interne
EP21175888.3A Pending EP3904772A1 (fr) 2016-03-23 2017-02-24 Hotte aspirante pourvue de calotte de visibilité et d'élément interne

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP17157814.9A Active EP3222919B1 (fr) 2016-03-23 2017-02-24 Hotte aspirante comprenant un couvercle transparent et élément interne

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EP (2) EP3222919B1 (fr)
DE (1) DE102016204819A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111853893B (zh) * 2020-07-13 2021-11-26 宁波方太厨具有限公司 一种吸油烟机及其控制方法
CN114576670A (zh) * 2022-05-09 2022-06-03 杭州老板电器股份有限公司 吸油烟机及其控制方法
CN114576674A (zh) * 2022-05-09 2022-06-03 杭州老板电器股份有限公司 吸油烟机及其控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3519169A1 (de) * 1985-05-29 1986-12-04 Landgraf GmbH, 3104 Unterlüß Randsaughaube
DE102004043069A1 (de) * 2004-09-06 2006-03-09 BSH Bosch und Siemens Hausgeräte GmbH Dunstabzugshaube
WO2011020803A1 (fr) 2009-08-21 2011-02-24 BSH Bosch und Siemens Hausgeräte GmbH Cadre intérieur pour hotte aspirante et hotte aspirante
EP2546578A1 (fr) * 2011-07-13 2013-01-16 BSH Bosch und Siemens Hausgeräte GmbH Hotte aspirante
DE102014209953A1 (de) * 2014-05-26 2015-11-26 BSH Hausgeräte GmbH Filteranordung für Dunstabzugshaube und Dunstabzugshaube

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES1053705Y (es) * 2003-01-09 2003-08-16 Inoxpan S A Campana extractora.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3519169A1 (de) * 1985-05-29 1986-12-04 Landgraf GmbH, 3104 Unterlüß Randsaughaube
DE102004043069A1 (de) * 2004-09-06 2006-03-09 BSH Bosch und Siemens Hausgeräte GmbH Dunstabzugshaube
WO2011020803A1 (fr) 2009-08-21 2011-02-24 BSH Bosch und Siemens Hausgeräte GmbH Cadre intérieur pour hotte aspirante et hotte aspirante
EP2546578A1 (fr) * 2011-07-13 2013-01-16 BSH Bosch und Siemens Hausgeräte GmbH Hotte aspirante
DE102014209953A1 (de) * 2014-05-26 2015-11-26 BSH Hausgeräte GmbH Filteranordung für Dunstabzugshaube und Dunstabzugshaube

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Publication number Publication date
EP3222919A1 (fr) 2017-09-27
DE102016204819A1 (de) 2017-09-28
EP3222919B1 (fr) 2022-04-06

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