EP3249307A1 - Filter-/dunstabzugshaube verbesserter art für küchen - Google Patents

Filter-/dunstabzugshaube verbesserter art für küchen Download PDF

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Publication number
EP3249307A1
EP3249307A1 EP16425061.5A EP16425061A EP3249307A1 EP 3249307 A1 EP3249307 A1 EP 3249307A1 EP 16425061 A EP16425061 A EP 16425061A EP 3249307 A1 EP3249307 A1 EP 3249307A1
Authority
EP
European Patent Office
Prior art keywords
hood
screen
housing
filtering panel
filtering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP16425061.5A
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English (en)
French (fr)
Inventor
Walter Darini
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.)
Sil Fim A Responsabilita' Limitata Soc
Original Assignee
Sil Fim A Responsabilita' Limitata Soc
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 Sil Fim A Responsabilita' Limitata Soc filed Critical Sil Fim A Responsabilita' Limitata Soc
Publication of EP3249307A1 publication Critical patent/EP3249307A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • 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 filtering/extracting hood of improved type for kitchens.
  • all models of hood comprise a housing made of press-formed sheet metal, which is provided with an extraction inlet in lower position and a delivery outlet in upper position intended to be connected to a flue in order to discharge the extracted materials.
  • An electrical fan unit is disposed inside the housing, in intermediate position between said extraction inlet and said delivery outlet, said electrical fan unit comprising an electrical motor, normally of multi-speed type, and a fan intended to generate a depression in the space immediately behind said extraction inlet, in such a way to create a flow of forced air that is extracted from below and pushed upwards towards the delivery outlet.
  • said extracting hoods for kitchens also comprise a filtering panel disposed along the trajectory of said forced air current in order to intercept the impurities contained in it, which mainly consist in solid and fat particles; some of said filtering panels are also capable of absorbing odors in order to recycle the air that is extracted and perfectly purified in the kitchen-room.
  • Said phenomenon is especially accentuated in case of induction electric cooktops, where the air that surrounds the incandescent plates is poorly heated, and therefore the walls of the extracting hood remain at an ambient temperature value that is lower than the temperature of the vapors emitted by the food that is being cooked by several tens of degrees.
  • filtering panels directed in sub-vertical position have been used, in such a way to favor the sliding of the condensation drops along the highly inclined surface of the panel and concentrate the detachment point of the condensation drops on the lower edge of the filtering panel, under which a gutter-shaped collection tray is disposed.
  • the present invention has been generated from the critical observation of said models of hood of the prior art, with the main purpose of devising a hood that is not impaired by the drawbacks described above with reference to the prior art.
  • the purpose of the present invention is to devise an improved model of extracting hood capable of intercepting the condensation drops that drip from the walls of the hood or from the filtering panel contained in the hood, in such a way to protect the worktop or the cooktop installed under the hood from water or fat dripping.
  • Another purpose of the invention is to devise an extracting hood wherein the condensation water can be automatically evacuated outside the hood, in such a way to avoid the periodic manual emptying of the tray used to collect the condensation water, as it occurs in the case of the extracting hoods of the prior art as described above.
  • the hood of the invention comprises a sheet metal housing associated with an electrical fan unit and containing a filtering panel, wherein:
  • Said screen which is shaped as a tray, is suitable for intercepting and collecting the dripping coming from the components of the hood disposed above it.
  • the improved hood (1) of the invention traditionally comprises a sheet metal housing (2) that contains an electrical fan unit (3) and a filtering panel (4).
  • Said housing (2) is provided with an inlet (5) in lower position for the air extracted by the electrical fan unit (3) and with an outlet in upper position joined with the opening (3a) of said unit.
  • Said inlet (5) which specifically has a rectangular shape, is defined by four perimeter edges (5a).
  • Said inlet (5) is partially closed by a corresponding screen (6), which lies on a substantially horizontal plane, which leaves at least one slot (7) to let the air enter the housing (2).
  • said slot (7) is defined by a border (6a) of said screen (6) on one side and by the edges (5a) on the other sides.
  • a deflector partition (8) is disposed immediately above the slot (7), protruding like a shelf from one of the edges (5a) and extending above and beyond said border (6a), while leaving a window (9) to let the air enter the housing (2), as shown in Fig. 3 .
  • the filtering panel (4) is supported in inclined position in the area immediately above the screen (6) and extends astride the vertical walls (2a) of the housing (2) and the deflector partition (8), which practically represents the point of support of the lower edge (4a) of said filtering panel (4).
  • trajectory (A) of the extracted air has a sinuous direction, as shown in Fig. 5 , wherein the following can be identified:
  • a screen (6) having a box structure and configured like a tray in such a way to intercept and collect the dripping coming from the filtering panel (4) and from the deflector partition (8), on the lower surface of which frost is easily formed, given that the hot extracted air sharply hits said cold surface, being diverted by more than 90°.
  • the edge (6a) of the screen (6) has a rounded profile, with a radius of curvature at least equal to or higher than 3 mm. The same is true for the corners (5b) of the inlet (5).
  • the screen (6) is provided with one bottom wall (6b) and four perimeter edges (6c), as better shown in Fig. 4 .
  • Said screen (6) can be removed both to drain the condensation that is collected in it, and to access the filtering panel (4) disposed behind it, which need to be easily extracted from the housing (2) both for periodic cleaning and replacement purposes, if necessary.
  • the screen (6) is removably inserted in a niche (11) obtained in one of the edges (5a) and supported in horizontal position by magnetized shelves (12) obtained on said edges (5a).
  • said tray-shaped screen (6) is provided with a hole intended to drain the condensation automatically, wherein a flexible drain tube (13) to be conveyed into a wall draining pipe (not shown) is inserted, as shown in Fig. 3 .
  • the hood of the invention also comprises a drip surface (14) intended to intercept the condensation drops that slide along the internal walls of the housing (2) in order to convey and discharge them in the tray-shaped screen (6).
  • Said drip surface is preferably composed of an inclined plane provided with a perfectly vertical upper attachment border (14a), in such a way to be disposed in perfect contact with the internal surface of the vertical walls (2a) of the housing (2), so that the condensation drops that slide from said vertical walls are perfectly and completely intercepted and taken from said vertical upper attachment border (14a), starting from which the same drops can drip along the inclined plane, which is provided with a vertical lower detachment border (14b) disposed above the tray-shaped screen (6).
  • Figs. 5 and 6 show an alternative embodiment of the hood according to the present invention, which differs from the one shown in Fig. 3 only in that it is provided with a second filtering panel (40) that is especially effective in intercepting fat particles.
  • Said second filtering panel (40) is disposed above the screen (6) and arranged between the screen (6) and the first filtering panel (4).
  • said second filtering panel (40) has a Z-shaped profile, with the base wing that rests inside the tray-shaped screen (6), thus acting as a sort of insulation between the extracted air flow and the bottom wall (6b) of the screen (6).
  • the upper wing of said Z-shaped profile extends astride said niche (11) and said lower edge (8a) of the deflector partition (8).

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
EP16425061.5A 2016-05-27 2016-06-21 Filter-/dunstabzugshaube verbesserter art für küchen Withdrawn EP3249307A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUA20163868 2016-05-27

Publications (1)

Publication Number Publication Date
EP3249307A1 true EP3249307A1 (de) 2017-11-29

Family

ID=56990842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16425061.5A Withdrawn EP3249307A1 (de) 2016-05-27 2016-06-21 Filter-/dunstabzugshaube verbesserter art für küchen

Country Status (1)

Country Link
EP (1) EP3249307A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109631105A (zh) * 2018-11-26 2019-04-16 上海银烽能源科技有限公司 一种厨房用静电净化油烟机
IT202000004243A1 (it) * 2020-02-28 2021-08-28 B S Service S R L Cappa ad aspirazione perimetrale atta ad evitare il gocciolamento dovuto alla condensa.

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1033244A (en) * 1964-02-27 1966-06-22 Jan Prosvic Improvements in or relating to air purifiers
US6125841A (en) * 1997-04-23 2000-10-03 Boudreault; Jean-Pierre Method and apparatus for combined removal and in-situ biodegradation of grease material from a kitchen ventilator
WO2004016988A1 (en) * 2002-08-16 2004-02-26 Kim Lui So Self-cleaning exhaust system and method
DE102005019830A1 (de) * 2005-04-28 2006-11-02 BSH Bosch und Siemens Hausgeräte GmbH Filteranordnung für Haushaltsdunstabzugshaube
WO2008016739A2 (en) * 2006-08-02 2008-02-07 Unified Brands, Inc. Kitchen ventilation hood apparatus
DE102007055308A1 (de) * 2007-11-20 2009-05-28 BSH Bosch und Siemens Hausgeräte GmbH Filtervorrichtung
EP2265868A1 (de) * 2008-04-22 2010-12-29 BSH Bosch und Siemens Hausgeräte GmbH Filtereinheit für eine dunstabzugsvorrichtung und dunstabzugsvorrichtung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1033244A (en) * 1964-02-27 1966-06-22 Jan Prosvic Improvements in or relating to air purifiers
US6125841A (en) * 1997-04-23 2000-10-03 Boudreault; Jean-Pierre Method and apparatus for combined removal and in-situ biodegradation of grease material from a kitchen ventilator
WO2004016988A1 (en) * 2002-08-16 2004-02-26 Kim Lui So Self-cleaning exhaust system and method
DE102005019830A1 (de) * 2005-04-28 2006-11-02 BSH Bosch und Siemens Hausgeräte GmbH Filteranordnung für Haushaltsdunstabzugshaube
WO2008016739A2 (en) * 2006-08-02 2008-02-07 Unified Brands, Inc. Kitchen ventilation hood apparatus
DE102007055308A1 (de) * 2007-11-20 2009-05-28 BSH Bosch und Siemens Hausgeräte GmbH Filtervorrichtung
EP2265868A1 (de) * 2008-04-22 2010-12-29 BSH Bosch und Siemens Hausgeräte GmbH Filtereinheit für eine dunstabzugsvorrichtung und dunstabzugsvorrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109631105A (zh) * 2018-11-26 2019-04-16 上海银烽能源科技有限公司 一种厨房用静电净化油烟机
IT202000004243A1 (it) * 2020-02-28 2021-08-28 B S Service S R L Cappa ad aspirazione perimetrale atta ad evitare il gocciolamento dovuto alla condensa.

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