EP4124800A1 - Hotte aspirante dotée d'une partie d'extraction - Google Patents

Hotte aspirante dotée d'une partie d'extraction Download PDF

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Publication number
EP4124800A1
EP4124800A1 EP22186801.1A EP22186801A EP4124800A1 EP 4124800 A1 EP4124800 A1 EP 4124800A1 EP 22186801 A EP22186801 A EP 22186801A EP 4124800 A1 EP4124800 A1 EP 4124800A1
Authority
EP
European Patent Office
Prior art keywords
hood
pull
main body
out portion
opening
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
EP22186801.1A
Other languages
German (de)
English (en)
Inventor
Fabio PIERMARTIRI
Sandrino ROSCINI
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
Publication of EP4124800A1 publication Critical patent/EP4124800A1/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
    • F24C15/2078—Removing cooking fumes movable
    • F24C15/2092—Removing cooking fumes movable extendable or pivotable

Definitions

  • the present invention relates to a cooking fume extraction hood.
  • the hood of the present invention is advantageously used in the field of kitchen appliances, namely in food preparation, preferably but without limitation in home environments.
  • hoods may be extraction hoods, i.e. designed to channel the cooking fumes outside the building.
  • filter hoods are provided, which reintroduce the cooking fumes back into the same environment after filtering them.
  • hoods comprise a main body adapted to be fixed to a wall and having an intake opening designed to face a cooktop.
  • a channeling duct is in fluid communication with the intake opening.
  • One or more filters are interposed between the intake opening and the suction means, If the hood is a filter hood, it shall have a vent opening downstream of the suction means and able to directly vent the filtered fumes into the environment. If the hood is an extraction hood, the fumes are channeled to a chimney and to the outside environment.
  • Hybrid solutions are also known, which are able to operate in both filtering and extraction modes.
  • the prior art document DE2654170 discloses a fume extraction hood that can be built in a wall cabinet and used in both extraction and filtering modes.
  • the hood of DE'170 comprises a telescopic pull-out drawer having an inlet opening facing a cooktop and defining a compartment in which a suction unit is located.
  • the drawer is designed to alternate between a pulled-out configuration in which it projects out of the wall cabinet and leaves a top outlet opening exposed, and a retracted configuration in which the main body is recessed into the cabinet so that the latter will close the outlet opening.
  • DE7911714 is another prior at document, disclosing a fume extraction hood that can be built into a wall cabinet and be used in both extraction and filtering modes. Many of the features of this hood are similar to those of the above discussed document DE' 170.
  • the hood disclosed in DE'714 comprises indeed a telescopic pull-out drawer of a wall cabinet and contains a suction unit.
  • EP491146 is also known as part of the prior art. This document discloses a cooking fume extraction hood comprising a main body with an inlet opening and a compartment housing first suction means configured to generate a first suction flow.
  • the hood of EP'146 also comprises a pull-out drawer attached to the main body and adapted to alternate between a retracted configuration and a pulled-out configuration.
  • the drawer In the pulled-out configuration, the drawer defines a second intake opening that is fluid-dynamically connected with second suction means via a channel inside the drawer.
  • the solutions of DE' 714 and DE' 170 have a quite complex construction, as they comprise drawers having both intake and vent openings.
  • the hoods of these documents require displacement of substantially all the internal parts of the hood.
  • the solution of EP'146 seems simpler, but it should be noted that in this hood design the pull-out drawer has the purpose of widening the intake opening and allowing the use of an additional extractor.
  • the prior art documents AT325256B and DE2206904A1 also disclose cooking fume extraction hoods that can be built into a wall cabinet.
  • the hoods of AT'256 and DE'904 comprise a main body and a drawer that slides relative to the main body to alternate between a pulled-out configuration in which it projects out of the wall cabinet and leaves a top outlet opening open, and a retracted configuration in which the main body is recessed into the cabinet so that the latter will close the outlet opening.
  • the hoods of AT'256 and DE'904 comprise moving filter means. More in detail, these filter means are attached to the sliding drawer to be located in an intake opening when the sliding drawer is moved to the pulled-out position. It shall be noted that when the sliding drawer is in the retracted position, the filtering means are stacked one on top of the other.
  • the movement of the sliding drawer of the hood causes the filter means to rub against each other, and foul each other when sliding one on top of the other. More in detail, as the sliding drawer alternates between the pulled-out configuration and the retracted configuration, the bottom surface of one filter will slide on the top surface of the other filter, which will be likely fouled.
  • the top surface of the filter means is arranged inside an extraction chamber of the hood. Therefore, the next time the suction means of the hood will be turned on, the dirt deposited on the top surface of the filter means will be sucked in by the suction means.
  • the technical purpose of the present invention is to provide a cooking fume extraction hood that can obviate the aforementioned prior art drawbacks.
  • the object of the present invention is to provide a cooking fume extraction hood at least of filtering type, that has a pull-out drawer with a simplified structure.
  • a cooking fume extraction hood comprises a main body configured to be fixed to a wall and having an intake opening designed to face a cooktop to draw in cooking fumes.
  • Suction means are in fluid communication with the intake opening.
  • Filter means are located between the intake opening and the suction means.
  • a vent opening is located downstream of the suction means and is configured to vent filtered fumes directly into the environment and away from the cooktop.
  • the hood also comprises a pull-out portion that slides relative the main body and has a bottom wall facing the cooktop and a top wall opposite to the bottom wall.
  • the vent opening is located on the top wall of the pull-out portion.
  • the suction means are housed in the main body.
  • the hood of the invention solves the technical problem because it has a much simpler construction than prior art existing solutions.
  • numeral 1 designates a cooking fume extraction hood as defined in the present invention.
  • the hood 1 is preferably an extraction hood or hybrid extraction/filtering hood.
  • the hood 1 comprises a main body 2, which is configured to be fixed to a wall.
  • the wall-fixation may be of direct or indirect type, in particular the main body 2 can be built into a wall cabinet 100, which is fixed to the wall in a well-known manner.
  • the main body 2 of the hood 1 comprises an upper portion 18 and a lower portion 19.
  • Each of these portions 18, 19 substantially has the shape of a parallelepiped, and has a rear wall 18a, 19a that can face a wall of a room in which the hood 1 is installed.
  • the upper portion 18 also comprises a front wall 18b, opposite to the rear wall 18a.
  • Both portions 18, 19 comprise respective pairs of side walls 18c, 19c arranged transverse to the rear walls 18a, 19a.
  • the lower portion 19 of the main body 2 is hollow, and has a pair of inner side surfaces 20 defined on the side walls 19c and facing each other.
  • the main body 2 has an intake opening 3, which is designed to face a cooktop (not shown) to draw in cooking fumes.
  • the hood 1 also comprises suction means 4 in fluid communication with the intake opening 3.
  • These suction means 4 may be of well-known type, e.g. a centrifugal impeller 5 protected by a pair of side grilles (not shown). It shall be noted that, according to the present invention, the suction means 4 are entirely housed in the main body 2.
  • the hood 1 is a hybrid extraction/filter hood, it shall comprise switching means 7 for changing the direction of the air flow. These switching means 7 will not be further described, as they form the subject of a separate patent application by the Applicant hereof.
  • the hood 1 is also equipped with filter means 8, located between the intake opening 3 and the suction means 4.
  • These filter means comprise a grease filter 8a and preferably an odor filter 6.
  • the filter means 8 may be of a type that is known to the skilled person, and will not be further described herein.
  • the filter means 8 are attached to the main body 2, and are thus stationary with respect to the main body.
  • the filter means 8 will be stationary (fixed) with respect to the main body upon sliding of what will be later referred to as pull-out portion 9 of the hood 1.
  • the filter means 8 namely the grease filter 8a, are only attached to the main body 2.
  • the filter means 8 namely the grease filter 8a, are arranged in the intake opening 4 thereby completely occupying it.
  • the main body 2 comprises a lower edge, which peripherally bounds, at least in part, the intake opening having the filter means 8, namely the grease filter 8a, attached thereto.
  • the hood 1 has a vent opening 12 located downstream of the suction means 4. Such vent opening 12 is configured to vent filtered fumes directly into the environment and away from the cooktop.
  • the hood 1 comprises at a pull-out portion 9.
  • This pull-out portion has a bottom wall 10 that faces the cooktop and a top wall 11 opposite to the bottom wall 10.
  • the pull-out portion 9 is housed inside the lower portion 19 of the main body 2.
  • the pull-out portion 9 also has a front side 21, opposite to the rear wall 19a of the lower portion 19 of the main body 2.
  • vent opening 12 is located on the top wall 10 of the pull-out portion 9.
  • intake opening 3 is entirely located on the main body 2. In other words, the intake opening 3 is not located on the pull-out portion 9.
  • the pull-out portion 9 is slidable relative to the main body 2, in particular is switchable between a stored configuration and an operational configuration.
  • the pull-out portion 9 In the stored configuration, the pull-out portion 9 is at least partially and preferably entirely housed within the main body 2.
  • the pull-out portion 9 In the operational configuration, the pull-out portion 9 extends away from the front wall 18b of the first portion 18 of the main body 2.
  • the vent opening 12 is in fluid communication with the suction means 4 in the operational configuration but not in the stored configuration.
  • the filter means 8 are not placed on the pull-out portion 9 of the hood.
  • the filter means 8 are thus stationary with respect to the main body 2 upon alternation of the pull-out portion 9 between the stored configuration and the operational configuration. In other words, no filtering means 3 is arranged on the pull-out portion 9.
  • the hood 1 of the present invention does not comprise moving filter means 8. Therefore, all the filter means 8 are stationary and do not move during alternation of the pull-out portion 9 between the stored configuration and the operational configuration.
  • this allow to keep the interior of the main body (extraction chamber) clean, and hance to preserve the integrity of any odor filters 6 and of the components of the suction means 4 arranged downstream of the grease filter.
  • the hood comprises a vent conduit 13 located between the suction means 4 and the vent opening 12.
  • the vent conduit 13 is partially defined by the walls 10, 11 of the pull-out portion 9.
  • the exhaust duct 13 comprises a first portion 13a, located directly downstream of the suction means 4. This first portion 13a is fixed inside the main body 2, and is rigidly joined thereto.
  • the vent conduit 13 also includes a second portion 13b, downstream of the first portion 13a.
  • the second portion is defined inside the sliding portion 9.
  • first portion 13a of the exhaust duct 13 comprises a first intermediate opening 14 downstream of the suction means 4.
  • second portion 13b of the vent conduit 13 has a second intermediate opening 15 upstream of the vent opening 12.
  • the first 14 and second 15 intermediate openings are designed to substantially overlap when the pull-out portion 9 is in operational configuration. This allows the filtered fumes vented by the suction means 4 to flow out to the vent opening 12.
  • the hood 1 is equipped with a pair of guides 16 attached to the main body 2 and/or the pull-out portion 9.
  • the pull-out portion 9 slides along the guides 16, to alternate between the operational configuration and the stored configuration.
  • the guides 16 may comprise a rail 16a attached to the pull-out portion 9 and one or more wheels 16b attached to the main body 2.
  • the hood 1 is designed to be built into a wall cabinet 100.
  • this wall cabinet 100 has a rear surface 101 facing a wall and a front surface 102 opposite to the rear surface 101 and configured to face the outside environment.
  • the wall cabinet 100 may comprise a pair of doors 103, which define the front surface 102.
  • the main body 2 is then housed in the wall cabinet 100.
  • the pull-out portion 9 is placed proximate to the front surface 102.
  • the front side 21 of the sliding portion 9 is configured to be substantially coplanar with the front surface 102 of the wall cabinet 100 when the pull-out portion 9 is in the stored configuration.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Prevention Of Fouling (AREA)
EP22186801.1A 2021-07-26 2022-07-25 Hotte aspirante dotée d'une partie d'extraction Pending EP4124800A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102021000019823A IT202100019823A1 (it) 2021-07-26 2021-07-26 Cappa di aspirazione per fumi di cottura comprendente una porzione estraibile

Publications (1)

Publication Number Publication Date
EP4124800A1 true EP4124800A1 (fr) 2023-02-01

Family

ID=78333124

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22186801.1A Pending EP4124800A1 (fr) 2021-07-26 2022-07-25 Hotte aspirante dotée d'une partie d'extraction

Country Status (2)

Country Link
EP (1) EP4124800A1 (fr)
IT (1) IT202100019823A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2206904A1 (de) 1972-02-14 1973-09-06 Bauknecht Gmbh G Dunstabzugshaube
AT325256B (de) 1972-06-29 1975-10-10 Bauknecht Gmbh G Dunstabzugshaube
DE2654170A1 (de) 1976-11-30 1978-06-01 Licentia Gmbh Dunstabzugshaube zur anordnung ueber kuechenherden
DE7911714U1 (de) 1979-04-21 1979-07-26 G. Bauknecht Gmbh, 7000 Stuttgart Dunstabzugshaube
EP0491146A2 (fr) 1990-12-19 1992-06-24 Bosch-Siemens HausgerÀ¤te GmbH Epurateur d'air, notamment hotte aspirante de cuisine
WO2006009348A1 (fr) * 2004-07-21 2006-01-26 Dae Sung Engineering & Research Co., Ltd Hotte de cuisine de type coulissante
EP2829808A1 (fr) * 2013-07-23 2015-01-28 V-Zug AG Hotte aspirante

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496704A (en) * 1966-12-07 1970-02-24 Broan Mfg Co Inc Convertible hood for console range
KR100519857B1 (ko) * 2005-04-15 2005-10-07 (주)대성기연 슬라이드타입 레인지후드

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2206904A1 (de) 1972-02-14 1973-09-06 Bauknecht Gmbh G Dunstabzugshaube
AT325256B (de) 1972-06-29 1975-10-10 Bauknecht Gmbh G Dunstabzugshaube
DE2654170A1 (de) 1976-11-30 1978-06-01 Licentia Gmbh Dunstabzugshaube zur anordnung ueber kuechenherden
DE7911714U1 (de) 1979-04-21 1979-07-26 G. Bauknecht Gmbh, 7000 Stuttgart Dunstabzugshaube
FR2454341A1 (fr) * 1979-04-21 1980-11-14 Bauknecht Gmbh G Hotte d'evacuation de vapeurs ou buees
EP0491146A2 (fr) 1990-12-19 1992-06-24 Bosch-Siemens HausgerÀ¤te GmbH Epurateur d'air, notamment hotte aspirante de cuisine
WO2006009348A1 (fr) * 2004-07-21 2006-01-26 Dae Sung Engineering & Research Co., Ltd Hotte de cuisine de type coulissante
EP2829808A1 (fr) * 2013-07-23 2015-01-28 V-Zug AG Hotte aspirante

Also Published As

Publication number Publication date
IT202100019823A1 (it) 2023-01-26

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