EP1228335A1 - Extractor device for kitchen fumes - Google Patents
Extractor device for kitchen fumesInfo
- Publication number
- EP1228335A1 EP1228335A1 EP00972739A EP00972739A EP1228335A1 EP 1228335 A1 EP1228335 A1 EP 1228335A1 EP 00972739 A EP00972739 A EP 00972739A EP 00972739 A EP00972739 A EP 00972739A EP 1228335 A1 EP1228335 A1 EP 1228335A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filter
- extractor
- extractor hood
- stream
- hood device
- 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
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
Definitions
- the invention relates to an extractor device for kitchen extractor, comprising a filter device with at least one filter in the extractor path according to the preamble of claim 1.
- an extractor hood with an odor filter insert which consists of a sheet metal frame which is closed on both sides by a fine wire mesh and is filled with an odor filter material.
- This odor filter insert is arranged downstream of a grease filter in the extractor path.
- the odor filter material is of such a type that it can be heated by a heating device to such an extent that it releases its odorous substances and is then again able to absorb odorous substances.
- an odor filter is known which contains activated carbon as a filter material. Activated carbon cannot be regenerated and must therefore be replaced from time to time.
- Extractor hoods are available in the form of recirculation hoods and exhaust hoods as well as in the form of hoods, which can be switched to either recirculated air or exhaust air. They are placed over hobs, stoves, and other food cooking devices to peel away from those created during cooking
- the exhaust hoods release the extracted haze into the outside atmosphere through an exhaust duct (exhaust chimney) from the building in question.
- Recirculation hoods direct the air contained in the haze, cleaned by a filter device, back into the room (kitchen) from which they sucked in the air.
- the invention described here is particularly advantageous for ventilation hoods, but can also be used for ventilation hoods to avoid environmental pollution outside a building.
- the recirculation hoods known today by no means achieve the effect of exhaust hoods with regard to removing steam, grease and odors from the room or the kitchen, in which the hood is arranged above a hotplate, a stove or another device for cooking food , At the same time, however, there is a great need for good steam, grease and odor removal, also in the case of recirculation hoods, especially in rental apartments where wall breakthroughs are not permitted, or in low-energy houses where the warm kitchen air should not be blown into the outside atmosphere to avoid energy losses.
- Recirculation hoods today mainly work with activated carbon filters to remove odors.
- the known disadvantages are:
- the odor filter must be replaced every three to six months because the active surface is saturated with gases, also called "odors", and grease. It is expensive and pollutes the environment. The odor-eliminating effect is poor and decreases quickly, so that there is only a short service life (effective usage times).
- the object of the invention is to provide a possibility by which the use of disposable filters is avoided, odor removal is improved, overall extractor hood efficiency is improved and noise is reduced.
- the extractor hood device can have the shape of a hood or some other shape. It is therefore also generally referred to below as an extractor device.
- the invention is described below with reference to the drawing using preferred embodiments as examples. In the drawing shows
- Fig. 1 shows schematically an extractor hood device according to the invention.
- the fume extraction device 2 shown in FIG. 1 contains in its fume extraction path or air extraction path in the flow direction a grease filter 4, a regenerable odor filter 6, which are each easily removable and easy to use, a cooking steam 8 and a fan 12 sucking in ambient air 10, an air outlet 14 for cleaned air 16 back into the room in which the extractor device 2 is located, and / or an alternative air outlet 18 for dispensing cleaned air 20 (or of unpurified air 20 when using the extractor device 2 without the filters 4 and 6) out of the room where the extractor hood device 2 is located, into the outside atmosphere of the building in question.
- the odor filter 6 has catalyst material or consists of catalyst material which has a catalyzing effect on the fume extraction stream consisting of cooking vapor 8 and / or ambient air 10, in particular on the odors or smelling gases contained therein, which is caused by irradiation of the fume extraction stream 8, 10 immediately before or on the regenerable odor filter 6 with ultraviolet light 22 (UV light) of a UV light source 24.
- the UV light source 24 can be arranged and fastened on or in a housing 26 of the extractor device 2, or externally thereof, for example on a building wall.
- an ionizing device 24 for ionizing the fume extraction stream 8, 10 on the way to the odor filter 6 or directly on this odor filter 6 is provided instead of the UV light source 24.
- the odor filter 6 is a regenerative filter, the principle of which is based on adsorption and catalytic oxidation.
- the odor filter 6 preferably has a lattice structure, for example a honeycomb structure. This is preferably formed by a support structure made of metal or ceramic, on which a layer of catalyst material or of a Catalyst material doped other material, preferably zeolite ceramic or titanium dioxide is applied.
- Such a lattice-shaped odor filter 6 has only a low flow resistance for the cooking fumes 8 and the ambient air 10, and a good adsorption effect for collecting adsorbable constituents from this cooking fume air flow.
- the catalytic effect is only slight or limited to light molecular structures (CH X , CH 4 OH) at room temperature if no additional measures are provided. Heating the cooking vapor ambient air air flow to, for example, 300 ° C. in order to develop a catalytic effect is, however, uneconomical because of the energy required for this and unfavorable because of the high temperature.
- the invention therefore proposes the two methods “UV radiation” and “ionization”, which are used alternatively or simultaneously to excite the
- Catalyst process can be used.
- the UV light can be generated by a commercially available UV tube. This can be arranged behind a glass which is well permeable to UV light and thus outside of the steam area or vapor area of the cooking vapor 8.
- the proportion of the catalyzed gases in the fume extraction stream to be cleaned can also include heavier molecular structures, such as occur in cooking processes, for example.
- the catalytic material e.g. Titanium dioxide, is preferably doped in another material, e.g. in the manner mentioned in zeolite ceramic, which is based on a metallic or ceramic honeycomb structure or others
- the proportion of the odor filter 6 required for the active surface for adsorption is lower than in conventional activated carbon filters, or longer service lives are achieved with active adsorption surfaces of the odor filter 6 of the same size (longer times during which the odor filter can be used effectively).
- the odor filter 6 is saturated in terms of its adsorption capacity, which is estimated to be the case every 30 to 40 operating hours (similar to grease filters), then regeneration occurs possible.
- the fat can be removed from the odor filter 6 in a dishwasher in a first step, because the grid material used according to the invention, including the catalyst material, is dishwasher-safe.
- the odor filter 6 can be desorbed in the oven 30 of a baking oven 32 at approximately 150 ° C., ie the material adsorbed from the air stream to be cleaned can be detached again from the odor filter.
- adsorbed odors or odor particles can, as described above with reference to the irradiation with UV light, be desorbed in an oven at, for example, 150 ° C. Excess ozone is converted into diatomic oxygen by the catalytic component at room temperature.
- Disposable filters are no longer required, which is a cost advantage for customers and means a reduction in environmental pollution.
- the odor filter 6 can be regenerated in a simple manner, for example by washing the odor filter in a dishwasher and desorption in an oven. Better, more effective odor removal from the airflow to be cleaned. Because of the lower flow resistance of the odor filter 6, relative to an activated carbon filter, the electrical power required for the blower 12, the blower noise and the flow noise of the fume extraction stream 8, 10 to be cleaned are reduced.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Catalysts (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Processing Of Meat And Fish (AREA)
- Ventilation (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19949599A DE19949599A1 (en) | 1999-10-14 | 1999-10-14 | Extractor hood for kitchen extractor |
DE19949599 | 1999-10-14 | ||
PCT/EP2000/010032 WO2001027539A1 (en) | 1999-10-14 | 2000-10-11 | Extractor device for kitchen fumes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1228335A1 true EP1228335A1 (en) | 2002-08-07 |
EP1228335B1 EP1228335B1 (en) | 2006-08-02 |
Family
ID=7925666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00972739A Expired - Lifetime EP1228335B1 (en) | 1999-10-14 | 2000-10-11 | Extractor device for kitchen fumes |
Country Status (7)
Country | Link |
---|---|
US (1) | US20020157661A1 (en) |
EP (1) | EP1228335B1 (en) |
AT (1) | ATE335174T1 (en) |
DE (2) | DE19949599A1 (en) |
ES (1) | ES2267578T3 (en) |
TR (1) | TR200200742T2 (en) |
WO (1) | WO2001027539A1 (en) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1499836B1 (en) | 2002-04-29 | 2015-06-10 | RHT Limited | Air cleaner filter system capable of nano-confined catalytic oxidation |
DE10247194A1 (en) * | 2002-10-10 | 2004-04-22 | BSH Bosch und Siemens Hausgeräte GmbH | Mist extraction process for cooker involves separating out fat in fat filter, dividing fat-free air into two flows and separating out odor in one of them |
US6817356B2 (en) | 2003-04-18 | 2004-11-16 | Arlen W. Gallagher | Method and apparatus for removal of grease, smoke and odor from exhaust systems |
DE102005027292A1 (en) * | 2005-06-14 | 2006-12-28 | M+R Meß- und Regelungstechnik GmbH | Oxidative degradation device e.g. range hood, smell filtering regenerator for annoying smells and pollutants in e.g. kitchen, has structured functioning element with catalytic active layer consisting titanium dioxide |
DE102006030759A1 (en) * | 2006-06-27 | 2008-01-03 | E.G.O. Elektro-Gerätebau GmbH | Use of an ionization device in electrical appliances and such electrical appliances |
GB0618633D0 (en) * | 2006-09-21 | 2006-11-01 | Sideland Engineering Ltd | Air filtration systems |
NL1032593C2 (en) * | 2006-09-29 | 2008-04-01 | Randolph Beleggingen B V | Air cleaning device with UV lamp. |
US20080121224A1 (en) * | 2006-10-18 | 2008-05-29 | Giles Enterprises, Inc. | Ultra-violet recirculating exhaust hood system |
US20090042500A1 (en) * | 2007-08-07 | 2009-02-12 | Russell Robison | Hood and pollution control unit with ultra violet light and electro-static precipitator |
ES2375981B1 (en) * | 2009-10-29 | 2012-11-06 | Manuel Jiménez Subires | AUTOMATIC FIRE EXTINGUISHING SYSTEM IN EXTRACTOR HOODS. |
IT1398002B1 (en) * | 2010-02-08 | 2013-02-04 | Chies | FILTERING EQUIPMENT |
ES2400467B1 (en) * | 2010-07-05 | 2014-04-04 | Manuel JIMENEZ SUBIRES | AUTOMATIC FIRE EXTINGUISHING SYSTEM IN EXTRACTOR HOODS |
US9057527B2 (en) * | 2012-03-12 | 2015-06-16 | General Electric Company | Range hood appliance with combination recirculation and exterior venting options |
WO2013160517A1 (en) * | 2012-04-23 | 2013-10-31 | Oy Desinfinator Ltd | Degreaser unit |
GB2501715A (en) * | 2012-05-02 | 2013-11-06 | Richard Peter Greenwood | Cooker hood with photo-catalytic oxidation |
ES2467640B1 (en) * | 2012-08-21 | 2015-07-29 | Manuel Jiménez Subires | Automatic fire extinguishing system in extractor hoods, improved |
CN104896551A (en) * | 2014-03-06 | 2015-09-09 | 西安科弘厨房工程设备有限责任公司 | Kitchen cooking fume purification device |
FI129453B (en) | 2015-05-29 | 2022-02-28 | Jeven Oy | Air filter for grease filtering |
JP6514170B2 (en) * | 2016-09-27 | 2019-05-15 | 富士工業株式会社 | Range food |
CN106823650B (en) * | 2017-02-13 | 2019-03-29 | 美的集团股份有限公司 | Lampblack purifying system and fume extractor |
US10488056B2 (en) * | 2017-06-01 | 2019-11-26 | Illinois Tool Works Inc. | Cooking exhaust hood ventilation system |
JP6951942B2 (en) * | 2017-10-30 | 2021-10-20 | 大阪瓦斯株式会社 | Cooking exhaust exhaust device |
CN107869750A (en) * | 2017-11-14 | 2018-04-03 | 张静 | A kind of oil smoke stage purifying device and its application process |
CN110508130A (en) * | 2019-08-30 | 2019-11-29 | 新乐华家用电器(深圳)有限公司 | A kind of device and method of oil smoke removal |
SE2000013A1 (en) * | 2020-03-09 | 2021-09-10 | Soedergren David | Cooker hood with good catch and effective reduction of food |
DE102020127358A1 (en) | 2020-10-16 | 2022-05-05 | aptus 1752. GmbH | extractor hood |
JP7283773B2 (en) * | 2020-12-02 | 2023-05-30 | Jsw株式会社 | Air purification device and indoor air purification method |
CN112628819B (en) * | 2020-12-22 | 2022-01-04 | 张家口市杰星电子科技有限公司 | Online monitoring and purifying method and system for oil smoke |
US11648329B1 (en) | 2021-11-24 | 2023-05-16 | Rht Limited | Air purifiers |
EP4325123A1 (en) * | 2022-08-19 | 2024-02-21 | Electrolux Appliances Aktiebolag | Extraction device for extraction of air and household appliance |
DE102022212957A1 (en) | 2022-12-01 | 2024-06-06 | BSH Hausgeräte GmbH | Procedure for restoring a filter function of a filter and cooking appliance |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE363471B (en) * | 1969-07-24 | 1974-01-21 | Vortice Elettrosociali Spa | |
DE6941978U (en) * | 1969-10-29 | 1971-01-28 | Saalmann Fa Gerhard | Cooker hood |
DE2363820C3 (en) * | 1973-12-21 | 1980-02-21 | Licentia-Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Kitchen vapor filter device |
DE3146537C1 (en) * | 1981-11-24 | 1983-06-01 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Activated carbon filter for extractor hoods |
US5192423A (en) * | 1992-01-06 | 1993-03-09 | Hydro Processing & Mining Ltd. | Apparatus and method for separation of wet particles |
DE4207022A1 (en) * | 1992-03-06 | 1993-09-09 | Rolf Hertfelder | ELECTROSTATIC FILTER DEVICE FOR COOKER HOODS |
JP3038522B2 (en) * | 1993-03-15 | 2000-05-08 | ユーシンエンジニアリング株式会社 | Air purifying and deodorizing environmental purifier |
JPH094900A (en) * | 1995-06-20 | 1997-01-10 | Nisshin Steel Co Ltd | Range hood utilizing operation of photocatalyst of tio2 |
JP3388494B2 (en) * | 1995-09-11 | 2003-03-24 | 東芝キヤリア株式会社 | Range hood fan |
FR2739792B1 (en) * | 1995-10-16 | 1997-12-26 | Seb Sa | PHOTOCATALYSIS HOOD |
JPH10174827A (en) * | 1996-12-17 | 1998-06-30 | Nisshin Steel Co Ltd | Filter rotational range hood |
JPH10185264A (en) * | 1996-12-18 | 1998-07-14 | Nisshin Steel Co Ltd | Range hood having self-cleaning function |
US5912368A (en) * | 1998-03-30 | 1999-06-15 | Ford Motor Company | Air filter assembly for automotive fuel vapor recovery system |
-
1999
- 1999-10-14 DE DE19949599A patent/DE19949599A1/en not_active Withdrawn
-
2000
- 2000-10-11 WO PCT/EP2000/010032 patent/WO2001027539A1/en active IP Right Grant
- 2000-10-11 EP EP00972739A patent/EP1228335B1/en not_active Expired - Lifetime
- 2000-10-11 TR TR2002/00742T patent/TR200200742T2/en unknown
- 2000-10-11 DE DE50013273T patent/DE50013273D1/en not_active Expired - Lifetime
- 2000-10-11 ES ES00972739T patent/ES2267578T3/en not_active Expired - Lifetime
- 2000-10-11 AT AT00972739T patent/ATE335174T1/en not_active IP Right Cessation
-
2002
- 2002-04-15 US US10/122,616 patent/US20020157661A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO0127539A1 * |
Also Published As
Publication number | Publication date |
---|---|
TR200200742T2 (en) | 2002-08-21 |
ATE335174T1 (en) | 2006-08-15 |
US20020157661A1 (en) | 2002-10-31 |
ES2267578T3 (en) | 2007-03-16 |
DE19949599A1 (en) | 2001-04-19 |
WO2001027539A1 (en) | 2001-04-19 |
EP1228335B1 (en) | 2006-08-02 |
DE50013273D1 (en) | 2006-09-14 |
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