EP3380791A1 - Hotte à usage domestique - Google Patents

Hotte à usage domestique

Info

Publication number
EP3380791A1
EP3380791A1 EP16810053.5A EP16810053A EP3380791A1 EP 3380791 A1 EP3380791 A1 EP 3380791A1 EP 16810053 A EP16810053 A EP 16810053A EP 3380791 A1 EP3380791 A1 EP 3380791A1
Authority
EP
European Patent Office
Prior art keywords
hood
filter
filter holder
holder compartment
suction unit
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.)
Granted
Application number
EP16810053.5A
Other languages
German (de)
English (en)
Other versions
EP3380791B1 (fr
Inventor
Gennaro Buonomo
Marco CIMINO
Antonello Gargiulo
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.)
Elica SpA
Original Assignee
Elica SpA
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 Elica SpA filed Critical Elica SpA
Priority to PL16810053T priority Critical patent/PL3380791T3/pl
Publication of EP3380791A1 publication Critical patent/EP3380791A1/fr
Application granted granted Critical
Publication of EP3380791B1 publication Critical patent/EP3380791B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft
    • 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 a suction hood for household environments, according to the preamble of claim 1.
  • the present invention relates to a hood integrated in a stove, commercially known as down-draft hood.
  • Household hoods are now installed in all kitchens in homes, as their usefulness, in the suction of gases due to food preparation, is today undisputed.
  • Hoods have been developed for this purpose which can both suction and discharge outside the home, through a suction unit, the air sucked to filter it and then re-enter it in the house.
  • a fume discharge conduit is provided downstream of the forced suction unit, i.e. at the outlet thereof, which for example allows making the cooking fumes and steam sucked pass therein and discharge them, for example outside of the house.
  • the air taken must be subjected to the action of one or more filters that have the function of purifying the gases sucked.
  • the filters usually installed in a hood can for example be specific for filtering the grease or reducing unpleasant smells present in the gases.
  • Grease filters normally consist of a metal grid and are located upstream of the forced suction unit while odor filters normally consist of a filtering element comprising activated carbon and are usually arranged downstream of the suction unit and preferably within the path defined by the fume discharge conduit.
  • the filters arranged in the fume discharge conduits have a filtering efficiency lower than would their nominal value be, due to losses that occur along such a fume discharge conduit.
  • the technical task at the basis of the present invention is to provide a hood for household environments which allows improving the filtering performance as well as ensuring an easier maintenance of the filters, particularly of the filters arranged downstream of the forced suction unit.
  • the object of the present invention is to provide a hood for household environments that is more efficient in terms of filtering and that is easier to maintain.
  • a hood for household environments can be obtained by the present invention which is more efficient from the point of view of the filtering action of the gases sucked.
  • the present invention allows providing a hood for household environments which exhibits great ease of maintenance.
  • the present invention in a down-draft hood it is possible to remove the filters from the same side where the elements necessary for cooking food are provided, thereby improving the hood in terms of ergonomics and allowing the use of the space below the top also for an oven or other fixed installation.
  • FIG. 1 shows a perspective exploded view of a first embodiment of a hood for household environments with some parts removed to better highlight others, according to the present invention
  • FIG. 2 shows a perspective view of a second embodiment of a hood for household environments in a first configuration, according to the present invention
  • figure 3 shows the hood in figure 2 in a second configuration
  • FIG. 4 shows a perspective view of the hood in figure 2 in the first configuration with some parts removed to better highlight others;
  • FIG. 5 shows another perspective view of the hood in figure 2 in the first configuration with some parts removed to better highlight others;
  • figure 5 A shows a lateral sectional view along the section line V-V of the hood shown in figure 5;
  • figure 6 shows a perspective bottom view of the hood in figure 2;
  • FIG. 7A and 7B show a perspective view of a portion of the hood in figure 2, in the first and second configuration, respectively, with some parts removed to better highlight others.
  • a hood for household environments according to the present invention is globally indicated with reference numeral 1 in the figures.
  • Hood 1 comprises a containment frame 2, preferably made of metal material with any decorative parts made of plastic.
  • containment frame in the context of the present invention, it is meant a structural element designed to contain devices adapted to the functioning of the hood (as will be better explained hereinafter) including shaped elements and/or cover panels that give the hood a particular aesthetic shape.
  • the hood in figures 2 to 7B has a frame structure 2, different in shape from the one shown in figure 1.
  • Frame 2 of hood in figure 1 is intended to be fixed to a wall in an area of the same located above a hob having one or more burners.
  • Such a frame is mainly adapted to be used in the so-called inverted T hoods or more generally in box and decorative hoods, that is, all those which have a compartment within which the structure is accommodated.
  • frame 2 of the hood shown in figures 2 to 7B is intended to be integrated in or associated with a hob so that the functional components of the hood (including the suction unit, filters, fume discharge chimney, control elements, etc.) and of the hob (including heating means, electrical and electronic circuits, electronic control unit, etc.) may be associated with a top or a kitchen cabinet to obtain what is commonly known as concealed or down-draft hood.
  • hood 1 is configured to generate a cross current higher than the rising current of the cooking steam, so that such a steam is sucked towards the hob itself.
  • frame 2 comprises a first opening 3, preferably located in a top area of the frame, and at least a second opening 4, preferably located on a different portion of the containment frame 2.
  • Hood 1 comprises a forced suction unit 5 comprising a conveyor 5a, for example shaped as a screw, defining a suction section 5b, delimited by a grid 5 c which can be traversed by the aspirated gases, an outlet 5d in fluid communication with a fume discharge conduit 14 and a further closing grid 5e.
  • a forced suction unit 5 comprising a conveyor 5a, for example shaped as a screw, defining a suction section 5b, delimited by a grid 5 c which can be traversed by the aspirated gases, an outlet 5d in fluid communication with a fume discharge conduit 14 and a further closing grid 5e.
  • the first opening 3 is intended to be engaged by the fume discharge conduit 14 while the second opening 4 is in fluid communication with the suction section 5b.
  • the forced suction unit 5 is for example a fan (axial or centrifugal) 5f, i.e. an electrical operating machine provided with an impeller able to withdraw air from a suction zone, in the vicinity of the food cooking area, and deliver it to an outlet.
  • a fan axial or centrifugal
  • 5f an electrical operating machine provided with an impeller able to withdraw air from a suction zone, in the vicinity of the food cooking area, and deliver it to an outlet.
  • the fan (axial or centrifugal) 5f is arranged within the volume defined by conveyor 5 a.
  • first opening 3 and the second opening 4 are intended to be both in fluid communication for the discharge of the cooking fumes to the outside of the house (for example through a chimney), so as to implement a so-called suction configuration (air discharged outside the room where hood 1 is placed) or a filtering configuration (air fed back into the room properly filtered).
  • Hood 1 also comprises at least one filter 6a, 6b where the at least one filter 6a, 6b is operatively placed in fluid communication between the first opening 3 and the second opening 4 of frame 2 of hood 1.
  • hood 1 comprises two filters 6a and 6b, each of which has different filtering properties, and at least one filter holder compartment 8a, 8b, preferably two filter holder compartments as will be described hereinafter.
  • hood 1 comprises two filter holder compartments 8a, 8b and two filters 6a and 6b, i.e. one compartment for each filter 6a and 6b.
  • filters 6a and 6b are mutually placed operatively in series with respect to an input air flow in the suction section 5b of the forced suction unit 5.
  • “Operatively in series” means, in the context of the present invention, the inlet air flow in the suction section 5b of the suction unit 5 first passes through filter 6a and then through filter 6b .
  • hood 1 comprises two filters 6a and 6b placed operatively in series, and in particular, a grease filter 6a and an odor filter 6b operatively placed downstream of the grease filter.
  • the grease filter 6a is a metal grid filter.
  • Odor filter 6b means a filter capable of capturing and retaining the odors produced by cooking, for example by means of an active carbon filter.
  • the grease filter 6a is placed operatively upstream of the suction section 5 a and is directed towards the hob, when hood 1 is in use, as exemplified in figure 1, or it lies in a portion of the hob when hood 1 is in use, as exemplified in figures 2 to 7B;
  • the odor filter 6b is operatively placed downstream of outlet 5d, i.e. downstream of the first opening 3, and is directed towards the outside, when hood 1 is in use, as exemplified in figure 1, or lies in a portion of the hob when hood 1 is in use, as exemplified in figures 2 to 7B.
  • the odor filter 6b is, for example, made by implementing a single filtering element while in Figures 3 and 7B, the odor filter is made by using three separate filtering elements.
  • hood 1 is able to function even in the absence of one or more filters 6a, 6b.
  • hood 1 comprises a first filter holder compartment 8a arranged to hold the at least one filter 6a, 6b, preferably, the odor filter 6b.
  • the first filter holder compartment 8a is arranged between outlet 5d of the forced suction unit 5 and the fume discharge conduit 14.
  • Such a filter holder compartment 8a defines, also with reference to Figures 5 and 5A, a bottom 22 and a top 23 connected together by means of respective pairs of opposite side walls 24, 25, where top 23 defines an opening 21.
  • Such a filter holder compartment 8a is for example made of plastic material or, preferably, metal.
  • hood 1 comprises a closure 9 to close opening 21 of the filter holder compartment 8a being movable between:
  • closure 9 is at least partly, preferably completely, distanced from opening 21 of the first filter holder compartment 8a in such a way that filter 6a, 6b faces towards the external environment to the containment frame 2 to allow the removal of the filter itself from the filter holder compartment 8 (figure 1 and figures 7 A and 7B).
  • the extraction of the at least one filter 6a, 6b from the first filter holder compartment 8a is earned out manually by the user's intervention.
  • appropriate mechanical or magnetic aids are provided (not shown in the figures) such as, for example, an extraction band required to facilitate the extraction (and insertion) of the at least one filter 6a, 6b from/into the first filter holder compartment 8 a.
  • the mechanical or magnetic aids of the invention comprise a low- voltage electric motor (not shown) which transmits motion through a kinematic chain to the at least one filter 6a, 6b.
  • hood 1 achieves a filtration efficiency higher than conventional hoods since the entire gas flow sucked by the suction unit passes through the at least one filter 6a, 6b.
  • closure 9 in the second position of closure 9, a seal is formed between closure 9 and the fume discharge conduit that ensures few, if not absent, paths with lower resistance than the predetermined path for the discharge of the gases themselves.
  • hood 1 whether the one shown with reference to Figure 1 or that shown with reference to Figures 2 to 7B, provides for the first filter holder compartment 8 to comprise an under-frame 9a configured to removably hold said filter 6b.
  • Such under-frame 9a is preferably made of a plastic material, i.e. a nylon polymer charged with suitable particles of glass, ceramics or other minerals in order to ensure the proper resistance to temperatures that are achieved during the transit of the gases sucked by the suction unit 5 of hood 1.
  • first filter holder compartment 8a is also removably constrained to the containment frame 2 of hood 1 in a first portion of the same.
  • the first filter holder compartment 8a is accessible by a user when the hood is installed since it faces towards the side visible from the user (figure 1 and 3).
  • the first filter holder compartment 8a includes extraction members (not visible in the figures) for moving closure 9 between the first and the second position.
  • These extraction members comprising, for example, a user interface such as a knob 10a (figure 1) or screws 10b (figures 7A and 7B).
  • hood 1 comprises a second filter holder compartment 8b designed to contain a further filter, such as the one identified with reference numeral 6a, in the accompanying Figures, and such a second filter holder compartment 8b is arranged between the second opening 4 of frame 2 and the suction section 5 b of the forced suction unit 5.
  • the second filter holder compartment 8b is arranged within the containment frame 2 and, in particular, in the vicinity of opening 4 of the containment frame 2.
  • Such a second filter holder compartment 8b is configured to preferably accommodate the grease filter 6a while the odor filter 6b is an-anged in the first filter holder compartment 8a.
  • the two filters 6a and 6b are arranged so that the gases are first filtered by the grease filter 6a and then by the odor filter 6b without any paths with lower resistance along the way.
  • the second filter holder compartment 8b comprises a pit 8c ( Figure 5A) which serves as a seat for any collection of liquids or fluids that may overflow from the dishes while cooking the food.
  • filter 6a is preferably shaped to mate with the pattern of pit 8c in order to effectively exploit the volume of the pit itself. It should be noted, with particular reference to figure 6, that the forced suction unit 5 is arranged in a portion of frame 2 different from the one in which pit 8 c of the second filter holder compartment 8b is formed. In particular, the forced suction unit 5 is offset with respect to such a pit 8c.
  • the second filter holder compartment 8b is constrained to the containment frame 2 in a portion of the same accessible by a user when the hood is installed.
  • a protection grid 13 is provided, removably associated with the second filter holder compartment 8b, to protect filter 6a from any items that may be sucked in due to the transverse current generated by the forced suction unit 5 when hood 1 is in use.
  • hood 1 comprises a cover element 11 for covering closure 9 of the filter holder compartment 8a (figures 2 and 3); this cover element 1 1 is constrained to the containment frame 2 in a portion of the same that is accessible by a user when hood 1 is installed.
  • such a cover element 11 is configured in such a way as to be movable between a first position ( Figure 2) in which closure 9 of the first filter holder compartment 8a is concealed and a second position ( Figure 3) in which such a closure 9 is made accessible to the user.
  • the cover element 11 comprises mechanical constraint means operatively associated with the containment frame 2 to switch such a cover element between the first and the second position, and vice versa.
  • the mechanical constraint means comprise a pivot/hinge mechanism or the like by which door 9 of the filter holder compartment 8a can be made accessible.
  • Such a pivot/hinge mechanism allows rotates the covering element 11 about an axis of rotation X-X (figure 3).
  • hood 1 further comprises a containment body 12 for hold the filter holder compartments 8a and 8b, where Figures 2-4 show the containment body 12 of the hood in figure 2 when constrained to frame 2 while figures 5, 7 A, and 7B show it removed from frame 2.
  • the containment body 12 comprises a hob 12a associated with the containment frame 2, which defines a work surface or cooking area divided into a plurality of zones 12b intended to receive respective dishes for cooking the food.
  • Such a hob 12a comprises heating means 12c for heating said plurality of zones 12b intended to receive respective dishes for cooking food.
  • such plurality of zones 12b intended to receive respective dishes for cooking food are those zones in which the heat produced by the heating means 12c spreads.
  • hob 12a is a pane of glass and the heating means 12c are magnetic induction plates or electric resistors.
  • the cover element 11 of closure 9 of the first filter holder compartment 8a is arranged in the work surface where foods are prepared and particularly in a zone 12d not heated by the heating means 12c.
  • the cover element 11 lies in the same plane in which food is prepared.
  • the cover element 11 of closure 9 of the filter holder compartment 8a is arranged in the work surface where foods are prepared and particularly in a zone 12d not heated by the heating means 12c.
  • the odor filter 6b is arranged in the vicinity of the work surface where food is prepared and in particular in zone 12d not heated by the heating means 12c.
  • the protection grid 13 is arranged in the same work surface of the hob but in another zone 12d' not heated by the heating means 12c.
  • the filter holder compartments 8a and 8b and the respective filters 6b and 6a are facing towards the same work surface or cooking area of food.
  • hood 1 shown in Figures 2 to 7B allows the advantage over conventional down draft hood not to have occupied space above hob 12a, especially in the island configuration.
  • the containment body (not shown) is preferably removably constrained to the containment frame 2 in a portion thereof operatively located upstream of the suction section 5b of the forced suction unit 5.
  • hood 1 shown in Figure 1 the filter holder compartments 8a and 8b and filters 6a and 6b are facing towards a front wall of the containment body always accessible by the user.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)

Abstract

La présente invention concerne une hotte pour des environnements domestiques (1), la hotte comprenant un cadre de confinement (2), une unité d'aspiration forcée (5) comprenant une section d'aspiration (5b) et une sortie (5d), une première ouverture (3) dans le cadre de confinement placée en communication fluidique avec la sortie (5d) de l'unité d'aspiration forcée (5), la sortie (5d) étant conçue pour coopérer avec un conduit d'évacuation de fumée (14), une seconde ouverture (4) dans le cadre de confinement (2) placée en communication fluidique avec la sortie (5d) de l'unité d'aspiration forcée (5) et avec l'environnement externe au cadre de confinement (2), au moins un filtre (6a, 6b) placé fonctionnellement en communication fluidique avec la section d'aspiration (5b) de l'unité d'aspiration forcée (5) et avec l'environnement externe au cadre de confinement (2). La hotte est caractérisée en ce que cette dernière comprend un premier compartiment de porte-filtre (8a) conçu pour contenir ledit filtre (6a, 6b), disposé entre la sortie (5d) de l'unité d'aspiration forcée (5) et le conduit d'évacuation de fumée (14), le premier compartiment de porte-filtre (8a) comprenant une fermeture (9) mobile entre une première position dans laquelle le filtre (6a, 6b) est accessible afin de permettre le retrait dudit filtre (6a, 6b) du compartiment de porte-filtre (8a) et une seconde position dans laquelle la fermeture (9) assure une fermeture étanche du premier compartiment de porte-filtre (8a) entre la sortie (5d) de l'unité d'aspiration forcée (5) et le conduit d'évacuation de fumée (14).
EP16810053.5A 2015-11-27 2016-11-15 Hotte à usage domestique Active EP3380791B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16810053T PL3380791T3 (pl) 2015-11-27 2016-11-15 Okap do użytku domowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUB2015A005990A ITUB20155990A1 (it) 2015-11-27 2015-11-27 Cappa di aspirazione per ambienti domestici.
PCT/IB2016/056854 WO2017089925A1 (fr) 2015-11-27 2016-11-15 Hotte à usage domestique

Publications (2)

Publication Number Publication Date
EP3380791A1 true EP3380791A1 (fr) 2018-10-03
EP3380791B1 EP3380791B1 (fr) 2019-10-09

Family

ID=55588367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16810053.5A Active EP3380791B1 (fr) 2015-11-27 2016-11-15 Hotte à usage domestique

Country Status (6)

Country Link
EP (1) EP3380791B1 (fr)
EA (1) EA033434B1 (fr)
ES (1) ES2763775T3 (fr)
IT (1) ITUB20155990A1 (fr)
PL (1) PL3380791T3 (fr)
WO (1) WO2017089925A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4030104A1 (fr) * 2021-01-14 2022-07-20 Electrolux Appliances Aktiebolag Dispositif d'extraction

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3504482B2 (fr) 2016-08-26 2024-10-16 BSH Hausgeräte GmbH Appareil combiné comprenant une plaque de cuisson et un dispositif d'aspiration de vapeurs
IT201700095549A1 (it) * 2017-08-23 2019-02-23 Elica Spa Piano cottura
DE102017223828A1 (de) * 2017-12-27 2019-06-27 Wilhelm Bruckbauer Dunstabzugsvorrichtung zum Abzug von Kochdünsten nach unten
EP3677843A1 (fr) * 2019-01-03 2020-07-08 Miele & Cie. KG Système de plaque de cuisson
JP2022059687A (ja) * 2020-10-02 2022-04-14 シンポ株式会社 加熱調理器システム、及び脱臭方法
DE202022002854U1 (de) 2022-08-10 2023-10-05 3Defacto Gmbh Kochfeldabzug

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411254A (en) * 1981-04-24 1983-10-25 The Jenn-Air Corporation Countertop range with proximity ventilation and electronic air cleaner
US20120204855A1 (en) * 2011-02-04 2012-08-16 Huber John J Cooking Device with Ventilation and Filtration System
EP2581668A1 (fr) * 2011-10-10 2013-04-17 Gianni Borinato Unité de cuisson
US9175861B2 (en) * 2012-06-25 2015-11-03 Western Industries, Inc. Cook top with a ventilation system and a blower mount therefor
US9746188B2 (en) * 2013-03-27 2017-08-29 Electrolux Home Products, Inc. Recirculating downdraft system for a cooking appliance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4030104A1 (fr) * 2021-01-14 2022-07-20 Electrolux Appliances Aktiebolag Dispositif d'extraction
WO2022152440A1 (fr) * 2021-01-14 2022-07-21 Electrolux Appliances Aktiebolag Dispositif d'extraction

Also Published As

Publication number Publication date
WO2017089925A1 (fr) 2017-06-01
EA201891255A1 (ru) 2018-11-30
ITUB20155990A1 (it) 2017-05-27
EA033434B1 (ru) 2019-10-31
EP3380791B1 (fr) 2019-10-09
ES2763775T3 (es) 2020-06-01
PL3380791T3 (pl) 2020-06-15

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