EP2487423B1 - Hotte de cuisine - Google Patents

Hotte de cuisine Download PDF

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Publication number
EP2487423B1
EP2487423B1 EP12156548.5A EP12156548A EP2487423B1 EP 2487423 B1 EP2487423 B1 EP 2487423B1 EP 12156548 A EP12156548 A EP 12156548A EP 2487423 B1 EP2487423 B1 EP 2487423B1
Authority
EP
European Patent Office
Prior art keywords
suction
area
sucking means
air
suction hood
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.)
Not-in-force
Application number
EP12156548.5A
Other languages
German (de)
English (en)
Other versions
EP2487423A1 (fr
Inventor
Francesco Corleoni
Cedric Catalogne
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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 Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP12156548.5A priority Critical patent/EP2487423B1/fr
Publication of EP2487423A1 publication Critical patent/EP2487423A1/fr
Application granted granted Critical
Publication of EP2487423B1 publication Critical patent/EP2487423B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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

  • the invention relates to a suction hood, which sucks air from a first area to a second area.
  • suction hoods which also can be denominated as destructor hoods, range hoods, kitchen hoods, stove hoods, exhaust hoods, cooker hoods, extraction hoods, cooking canopy or ventilation hoods, are used to remove airborne grease, combustion products, smoke, odours and/or heat and steam, which is generated usually by a cooking process on a cooktop, normally by a combination of filtration and evacuation of the air. They usually comprise three main components: A skirt or capture panel to contain the rising gases (also known as the "effluent plume"), one or more grease filters, and a fan or tangential blower for forced ventilation.
  • ventor hoods There are two major applications of extractor hoods: vented application, and recirculating application.
  • vented application the output collar of the extractor hood's blower motor is attached to a duct system, which terminates outside of the kitchen.
  • a filter containing activated charcoal is used to remove odour and smoke particles from the air, before releasing the cleaned air back into the kitchen environment.
  • the fans or blowers create, when activated, an area of low pressure which takes effect spherically around the hood.
  • the airborne grease, combustion products, smoke, odours, heat and steam generated by the cooking of food on the cooktop rise naturally in a vertical motion due to gravity effect, and enter the effective area of the hood to be captured by the low pressure area.
  • FIG la shows such a hood 1', where the gas is sucked in from all sides along paths shown by arrows 74'.
  • the pressure field 71' of a traditional hood 1' over a cooktop 7' is shown in FIG 1b .
  • the pressure field represents the effective suction volume of the hood.
  • a ventilating system has been proposed with nozzles and/or blowers mounted around one or more centrally located exhaust channels.
  • ventilating systems comprising a first sucking means for sucking the fume from a cooking area and a second sucking means for generating an air flow, the second sucking means having an internally located channel system with plurality of outflow ports in order to create a hollow cylindrical air flow characteristics.
  • the invention relates to a suction hood, which sucks air from a first area to a second area, wherein the hood comprises a first sucking means which pulls the air to the suction hood by generating an at least substantially direct suction to the suction hood and a second sucking means which pulls the air to the suction hood by generating an at least substantially circular, cyclone or helix movement.
  • An outer suction area surrounds an inner suction area wherein
  • suction areas are provided for both suction means so that the suction areas can complement one another without interfering or cancelling each other too much.
  • the second sucking means preferably generates a tornado suction in the area underneath of it which allows an improved and focussed suction.
  • the combination of a first sucking means and a second sucking means according to the invention enables an improvement of the suction characteristics of the suction hood, as the addition of the second sucking means especially allows an improvement and/or a focusing of the suction in the area underneath the second sucking means which is preferably used for cooking.
  • the second sucking means are operatable in a boost mode, so that the second sucking means temporarily boosts the suction of the first sucking means. This allows to boost the suction in cases wherein, for example, a lot of fumes are generated. By activating the boost mode, the fumes normally can be exhausted or reduced more rapidly.
  • the first and the second sucking means are operatable in a pulse working mode and/or alternatively. This enables that, on the one hand, fumes underneath of the second sucking means can be exhausted or reduced more rapidly, when this suction means is active, whereas also fumes from the surrounding area are removed when the first sucking means is active.
  • the first and the second sucking means are operatable together, so that the second sucking means continuously boosts the suction of the first sucking means. This enables an improved suction in the area underneath the second sucking means whereas also air is sucked from the surrounding area by the first suction means.
  • the air for operating the vortex is sucked in laterally, preferably through lateral openings and/or from the outer suction area. This allows an at least relatively easy feeding of the required air while not affecting the circular, cyclone or helix movement more than necessary.
  • the second sucking means is addable by a adding means, preferably dependent on noise, efficiency and/or fumes, the adding means is preferably a switch and/or a sensor driven device. By this, the second sucking means can be added only when necessary.
  • the suction hood is a vented and/or a recirculating suction hood. Both embodiments can be used in a preferred way with the suction means.
  • the invention relates to a method for generating a air suction by means of a suction hood according to one of the preceding claims.
  • FIG 1c outlines the concept of a tornado suction hood 1.
  • the arrows 75 represent the rotating column of air and the arrows 74 represent the suction draft. The combination of these two flows generates the tornado. The air is sucked in through air inlets 101, 102 and therefore pushed into the suction channel 13.
  • the pressure field 71 of such a hood system 1 is shown in FIG 1d .
  • the pressure field represents the effective suction volume of the hood.
  • the generated vortex between the cooktop 7 and the hood 1 sucks in the fume from the cooktop 7 in a swirling motion.
  • FIG 2a to 2c show an embodiment of the invention.
  • FIG 2a shows a perspective view of the hood with the vortex module 62.
  • FIG 2b shows a cross sectional view of the hood, whereas
  • FIG 2c shows a bottom view of the hood with the vortex module 62.
  • the suction hood 6 comprises a first sucking means 64 which pulls the air to the suction hood by generating an at least substantially direct suction to the suction hood 6 and a second sucking means 62 which pulls the air to the suction hood 6 by generating an at least substantially circular, cyclone or helix movement.
  • the suction hood 6 comprises a cuboidal upper part 681 under which a lower part 682 with an at least nearly square shaped upper and lower surface, between which four longish side surfaces are arranged. At the sides of the lower part 682, air inlets 601 and 602 are shown.
  • the upper part 681 and the lower part 682 are arranged directly adjacent, where the common surface is left out to allow the air to flow through.
  • FIG 2b shows a number of suction channels 623 of the vortex module 62 arranged tangentially around the ring shaped area 622.
  • engines blow the air tangentially from the air inlets 601 and 602 through the outer suction area 634 into the inner suction area 631 of the hood 6 and thus generate the circulating air.
  • the circulating air in turn, generates a suction which sucks the air into and through the inner suction area 631.
  • the air escapes the suction area at the outlet 633. This is also called tornado aspiration.
  • a suctions means 64 is arranged centrally in the upper part 681 which is able to suck the air directly upwards through the inner suction area 631 and the outer suction area 634. This is also called standard aspiration.
  • the hood 6 can be operated with standard aspiration as well as with Tornado aspiration. This can be done in three different ways:
  • the tornado aspiration can be operated in a boost mode to amplify the effect of the standard aspiration. This means that, in a normal mode, only the standard aspiration runs, whereas for boosting, the tornado aspiration is added and boosts the suction mostly in the inner suction area 631.
  • the tornado aspiration is operated together with the standard aspiration so that both modes are operated at the same time.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Cyclones (AREA)
  • Seal Device For Vehicle (AREA)
  • Superstructure Of Vehicle (AREA)
  • Prevention Of Fouling (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Claims (8)

  1. Hotte d'aspiration, qui aspire l'air d'une première zone à une seconde zone, où la hotte comprend
    un premier moyen d'aspiration (64) qui aspire l'air dans la hotte d'aspiration en produisant une aspiration au moins sensiblement directe vers la hotte d'aspiration et
    un deuxième moyen d'aspiration (62) qui aspire l'air dans la hotte d'aspiration en produisant un mouvement au moins sensiblement circulaire, de cyclone ou d'hélice,
    caractérisé en ce qu'
    une zone d'aspiration extérieure (634) entoure une zone d'aspiration intérieure (631), où
    a) le premier moyen d'aspiration (64) aspire l'air vers la hotte d'aspiration essentiellement à travers la zone d'aspiration extérieure (634) ou
    b) le deuxième moyen d'aspiration (62) aspire l'air vers la hotte d'aspiration au moins sensiblement uniformément à travers la zone d'aspiration extérieure (634) et la zone d'aspiration intérieure (631).
  2. Hotte d'aspiration selon la revendication 1, dans laquelle le deuxième moyen d'aspiration (62) est actionnable en mode intensifié de sorte que le deuxième moyen d'aspiration (62) renforce temporairement l'aspiration du premier moyen d'aspiration (64).
  3. Hotte d'aspiration selon l'une des revendications précédentes, dans laquelle les premier (64) et deuxième (62) moyens d'aspiration sont actionnables selon un mode à impulsions et/ou alternativement.
  4. Hotte d'aspiration selon l'une des revendications précédentes, dans laquelle les premier (64) et deuxième (62) moyens d'aspiration sont actionnables ensemble de sorte que le deuxième moyen d'aspiration (62) renforce continuellement l'aspiration du premier moyen d'aspiration (64).
  5. Hotte d'aspiration selon l'une des revendications précédentes, dans laquelle l'air pour faire fonctionner le deuxième moyen d'aspiration (62), qui est de préférence un module de vortex, est aspiré latéralement, de préférence
    a) à travers des ouvertures latérales (601, 602) et/ou
    b) de la zone d'aspiration extérieure (634).
  6. Hotte d'aspiration selon l'une des revendications précédentes,
    a) dans laquelle le deuxième moyen d'aspiration (62) peut être ajouté par un moyen d'ajout, de préférence en fonction du bruit, de l'efficience et/ou des fumées,
    b) où le moyen d'ajout est de préférence un commutateur et/ou un dispositif entraîné par un capteur.
  7. Hotte d'aspiration selon l'une des revendications précédentes,
    dans laquelle la hotte d'aspiration est
    a) une hotte d'aspiration aérée, où de préférence la première zone est à l'intérieur d'une pièce et la deuxième zone est à l'extérieur de la pièce, et/ou
    b) une hotte d'aspiration à recirculation, dans laquelle de préférence, la première zone est à l'intérieur d'une pièce, et la deuxième zone est à l'intérieur de la pièce.
  8. Procédé de production d'une aspiration d'air au moyen d'une hotte d'aspiration selon l'une des revendications précédentes.
EP12156548.5A 2008-12-10 2008-12-10 Hotte de cuisine Not-in-force EP2487423B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12156548.5A EP2487423B1 (fr) 2008-12-10 2008-12-10 Hotte de cuisine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08021414A EP2196736B1 (fr) 2008-12-10 2008-12-10 Hotte de cuisine
EP12156548.5A EP2487423B1 (fr) 2008-12-10 2008-12-10 Hotte de cuisine

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP08021414.1 Division 2008-12-10
EP08021414A Division EP2196736B1 (fr) 2008-12-10 2008-12-10 Hotte de cuisine

Publications (2)

Publication Number Publication Date
EP2487423A1 EP2487423A1 (fr) 2012-08-15
EP2487423B1 true EP2487423B1 (fr) 2014-02-12

Family

ID=40821681

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12156548.5A Not-in-force EP2487423B1 (fr) 2008-12-10 2008-12-10 Hotte de cuisine
EP08021414A Not-in-force EP2196736B1 (fr) 2008-12-10 2008-12-10 Hotte de cuisine

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08021414A Not-in-force EP2196736B1 (fr) 2008-12-10 2008-12-10 Hotte de cuisine

Country Status (12)

Country Link
US (1) US20110232625A1 (fr)
EP (2) EP2487423B1 (fr)
JP (1) JP2012511684A (fr)
KR (1) KR20110094214A (fr)
CN (1) CN102282424B (fr)
AT (1) ATE549583T1 (fr)
AU (1) AU2009326527A1 (fr)
BR (1) BRPI0922449A2 (fr)
CA (1) CA2750832A1 (fr)
MX (1) MX2011006137A (fr)
RU (1) RU2526932C2 (fr)
WO (1) WO2010066421A2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102954515A (zh) * 2011-08-27 2013-03-06 博西华电器（江苏）有限公司 龙卷风产生装置和设置有该龙卷风产生装置的抽油烟机
KR101934457B1 (ko) * 2011-11-17 2019-01-04 삼성전자주식회사 환기 장치와 이를 포함한 환기 시스템
KR102075916B1 (ko) * 2013-02-21 2020-02-11 웅진코웨이 주식회사 소음 방지 후드
CN105928031B (zh) * 2014-07-16 2017-11-10 侯春景 一种抽油烟机
CN106091060A (zh) * 2016-07-26 2016-11-09 广东万家乐燃气具有限公司 一种带有轴流风扇的离心式抽油烟机
WO2018157664A1 (fr) * 2017-02-28 2018-09-07 Lien Fue Sang Dispositif de collecte cyclonique de fumées, hotte de cuisine et équipement de cuisson et d'extraction de fumées de cuisine
CN106949520A (zh) * 2017-05-23 2017-07-14 成都工业职业技术学院 一种旋流式集排油烟机
JP7349597B2 (ja) * 2019-04-18 2023-09-25 パナソニックＩｐマネジメント株式会社 サイクロン分離装置
EP4010634A4 (fr) 2019-08-07 2023-09-13 ANH Innovation, Inc. Grille de recirculation mobile avec plénum et diffuseur

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Also Published As

Publication number Publication date
CN102282424A (zh) 2011-12-14
AU2009326527A1 (en) 2011-06-23
WO2010066421A2 (fr) 2010-06-17
RU2526932C2 (ru) 2014-08-27
MX2011006137A (es) 2011-07-28
EP2196736A1 (fr) 2010-06-16
US20110232625A1 (en) 2011-09-29
CN102282424B (zh) 2014-08-20
EP2196736B1 (fr) 2012-03-14
EP2487423A1 (fr) 2012-08-15
KR20110094214A (ko) 2011-08-22
BRPI0922449A2 (pt) 2018-11-06
JP2012511684A (ja) 2012-05-24
RU2011128298A (ru) 2013-01-20
CA2750832A1 (fr) 2010-06-17
WO2010066421A3 (fr) 2011-08-11
ATE549583T1 (de) 2012-03-15

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