EP2487423B1 - Suction hood - Google Patents
Suction hood Download PDFInfo
- 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
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Images
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)
- Filters For Electric Vacuum Cleaners (AREA)
- Prevention Of Fouling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12156548.5A EP2487423B1 (en) | 2008-12-10 | 2008-12-10 | Suction hood |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12156548.5A EP2487423B1 (en) | 2008-12-10 | 2008-12-10 | Suction hood |
EP08021414A EP2196736B1 (en) | 2008-12-10 | 2008-12-10 | Suction Hood |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08021414.1 Division | 2008-12-10 | ||
EP08021414A Division EP2196736B1 (en) | 2008-12-10 | 2008-12-10 | Suction Hood |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2487423A1 EP2487423A1 (en) | 2012-08-15 |
EP2487423B1 true EP2487423B1 (en) | 2014-02-12 |
Family
ID=40821681
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12156548.5A Not-in-force EP2487423B1 (en) | 2008-12-10 | 2008-12-10 | Suction hood |
EP08021414A Not-in-force EP2196736B1 (en) | 2008-12-10 | 2008-12-10 | Suction Hood |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08021414A Not-in-force EP2196736B1 (en) | 2008-12-10 | 2008-12-10 | Suction Hood |
Country Status (12)
Country | Link |
---|---|
US (1) | US20110232625A1 (zh) |
EP (2) | EP2487423B1 (zh) |
JP (1) | JP2012511684A (zh) |
KR (1) | KR20110094214A (zh) |
CN (1) | CN102282424B (zh) |
AT (1) | ATE549583T1 (zh) |
AU (1) | AU2009326527A1 (zh) |
BR (1) | BRPI0922449A2 (zh) |
CA (1) | CA2750832A1 (zh) |
MX (1) | MX2011006137A (zh) |
RU (1) | RU2526932C2 (zh) |
WO (1) | WO2010066421A2 (zh) |
Families Citing this family (9)
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 (en) * | 2017-02-28 | 2018-09-07 | Lien Fue Sang | Fume cyclonic-collection device, range hood, and kitchen fume-extracting and cooking equipment |
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 |
CN114729754A (zh) | 2019-08-07 | 2022-07-08 | 安创新有限公司 | 具有可变风扇驱动器的移动再循环烤架 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2793712A (en) * | 1954-02-26 | 1957-05-28 | Dohrmann Hotel Supply Co | Grease extracting attachment for ventilators for kitchen ranges |
US2889007A (en) * | 1955-12-27 | 1959-06-02 | Dohrmann Hotel Supply Co | Grease extracting ventilator for kitchen ranges |
DE1274081B (de) * | 1958-08-22 | 1968-08-01 | Siemens Ag | Drehstroemungswirbler zum Trennen von Medien unterschiedlicher Dichte |
US3664255A (en) * | 1970-07-06 | 1972-05-23 | Irvin R Kuechler | Apparatus and method for removing fumes from the space above a cooking appliance |
US3800689A (en) * | 1972-07-24 | 1974-04-02 | L Brown | Building ventilating system |
US4038912A (en) * | 1974-08-15 | 1977-08-02 | Vent-Cair, Inc. | Combination forced-flow and convective-flow grease-hood system and method having a low-level entry portion over a protruding cooking appliance |
US4506655A (en) * | 1981-02-03 | 1985-03-26 | Kuechler Irvin R | Compact double fan apparatus and method with grease-separating capabilities |
JPS62261842A (ja) * | 1986-05-09 | 1987-11-14 | Nippon Air Curtain Kk | 人工竜巻発生機構とその利用法 |
DK312288D0 (da) | 1988-06-08 | 1988-06-08 | Hansen & Raagaard Aps | Fremgangsmaade og anlaeg til mekanisk punktudsugning |
JPH0264840U (zh) * | 1988-11-05 | 1990-05-16 | ||
JP2538750B2 (ja) * | 1992-11-25 | 1996-10-02 | 鹿島建設株式会社 | 排気装置 |
FR2736567B1 (fr) * | 1995-07-13 | 1997-08-08 | Europ Equip Menager | Systeme d'aspiration d'emanations, notamment pour hotte aspirante |
CN2269543Y (zh) * | 1996-06-10 | 1997-12-03 | 彭大齐 | 灯罩式抽油烟机 |
CN1243934C (zh) * | 1998-03-30 | 2006-03-01 | 大金工业株式会社 | 吸气·送风装置 |
JP3327247B2 (ja) * | 1999-01-14 | 2002-09-24 | ダイキン工業株式会社 | 換気装置 |
JP2000234773A (ja) * | 1999-02-15 | 2000-08-29 | Daikin Ind Ltd | 換気装置 |
JP2001174037A (ja) * | 1999-07-01 | 2001-06-29 | Daikin Ind Ltd | トルネード型吸気・送風装置 |
US20110005507A9 (en) * | 2001-01-23 | 2011-01-13 | Rick Bagwell | Real-time control of exhaust flow |
DE10208488A1 (de) * | 2002-02-27 | 2003-09-04 | Bsh Bosch Siemens Hausgeraete | Abzugshaube und Verfahren zur Absaugung und/oder Aufreinigung kontaminierter Trägerstoffe |
JP3969536B2 (ja) * | 2002-12-27 | 2007-09-05 | 株式会社イトーキ | ヒュームフード |
JP4526780B2 (ja) * | 2003-04-30 | 2010-08-18 | 富士夫 堀 | フード装置 |
JP4366236B2 (ja) * | 2004-04-26 | 2009-11-18 | 邦昭 堀越 | 電磁誘導調理器具における換気補助装置 |
US7699051B2 (en) * | 2005-06-08 | 2010-04-20 | Westen Industries, Inc. | Range hood |
JP2006349237A (ja) * | 2005-06-15 | 2006-12-28 | Matsushita Electric Ind Co Ltd | レンジフード |
ITPN20060058A1 (it) * | 2006-07-27 | 2008-01-28 | Electrolux Professional Spa | Cappa di aspirazione a ventilazione perfezionata |
US20080127403A1 (en) * | 2006-11-30 | 2008-06-05 | Airex, Inc. | Ventilating fan with grill having high static pressure resistance |
CN201043775Y (zh) * | 2007-03-13 | 2008-04-02 | 杜崇福 | 环保型厨房脱排油烟装置 |
-
2008
- 2008-12-10 AT AT08021414T patent/ATE549583T1/de active
- 2008-12-10 EP EP12156548.5A patent/EP2487423B1/en not_active Not-in-force
- 2008-12-10 EP EP08021414A patent/EP2196736B1/en not_active Not-in-force
-
2009
- 2009-12-10 CN CN200980149206.8A patent/CN102282424B/zh not_active Expired - Fee Related
- 2009-12-10 JP JP2011539949A patent/JP2012511684A/ja not_active Ceased
- 2009-12-10 BR BRPI0922449A patent/BRPI0922449A2/pt not_active IP Right Cessation
- 2009-12-10 CA CA2750832A patent/CA2750832A1/en not_active Abandoned
- 2009-12-10 WO PCT/EP2009/008823 patent/WO2010066421A2/en active Application Filing
- 2009-12-10 KR KR1020117015940A patent/KR20110094214A/ko not_active Application Discontinuation
- 2009-12-10 US US13/132,361 patent/US20110232625A1/en not_active Abandoned
- 2009-12-10 MX MX2011006137A patent/MX2011006137A/es active IP Right Grant
- 2009-12-10 AU AU2009326527A patent/AU2009326527A1/en not_active Abandoned
- 2009-12-10 RU RU2011128298/03A patent/RU2526932C2/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2750832A1 (en) | 2010-06-17 |
BRPI0922449A2 (pt) | 2018-11-06 |
CN102282424B (zh) | 2014-08-20 |
WO2010066421A3 (en) | 2011-08-11 |
CN102282424A (zh) | 2011-12-14 |
RU2011128298A (ru) | 2013-01-20 |
JP2012511684A (ja) | 2012-05-24 |
US20110232625A1 (en) | 2011-09-29 |
EP2487423A1 (en) | 2012-08-15 |
KR20110094214A (ko) | 2011-08-22 |
RU2526932C2 (ru) | 2014-08-27 |
AU2009326527A1 (en) | 2011-06-23 |
ATE549583T1 (de) | 2012-03-15 |
EP2196736B1 (en) | 2012-03-14 |
MX2011006137A (es) | 2011-07-28 |
WO2010066421A2 (en) | 2010-06-17 |
EP2196736A1 (en) | 2010-06-16 |
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