EP4368899A1 - Dunstabzugsanlage und verfahren zum betrieb einer abzugsvorrichtung - Google Patents

Dunstabzugsanlage und verfahren zum betrieb einer abzugsvorrichtung Download PDF

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Publication number
EP4368899A1
EP4368899A1 EP22207131.8A EP22207131A EP4368899A1 EP 4368899 A1 EP4368899 A1 EP 4368899A1 EP 22207131 A EP22207131 A EP 22207131A EP 4368899 A1 EP4368899 A1 EP 4368899A1
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EP
European Patent Office
Prior art keywords
air
extraction device
air guiding
wall
channelling element
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
EP22207131.8A
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English (en)
French (fr)
Inventor
Frank Benold
Nikolai SCHNEIDER
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 Appliances AB
Original Assignee
Electrolux Appliances AB
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 Appliances AB filed Critical Electrolux Appliances AB
Priority to EP22207131.8A priority Critical patent/EP4368899A1/de
Publication of EP4368899A1 publication Critical patent/EP4368899A1/de
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
    • F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft

Definitions

  • the present invention relates to an extraction device for removing air, specifically cooking vapours, from an area above a cooking hob according to the preamble of claim 1.
  • the present invention further relates to a method for operating an extraction device according to the preamble of claim 14.
  • cooking hobs comprise cooking zones for placement of cookware receiving the food to be cooked.
  • the cooking zones are generally arranged on a cooktop, in particular a glass ceramic cooktop, which forms an upper wall of the cooking hob.
  • cooking vapours are generated, which are distributed over the cooking area.
  • an extraction hood above the cooking area for an aspiration of these fumes.
  • such kind of a combination appliance comprises a cooking hob and an integrated downdraft extraction device with an extraction opening in the cooktop of the cooking hob.
  • a cooking hob and an extraction device With this combination of a cooking hob and an extraction device, a compact solution is provided.
  • Extraction hood or extraction device can be operated in parallel to the cooking hob, thereby sucking in those cooking vapours in order to filter out particles and tiny droplets and/or to blow the cooking vapours to the outside of the building.
  • the fume extraction system comprises an extraction device for removing air, specifically cooking vapours, from an area above a cooking hob, as well as an air guiding and/or channelling element.
  • the extraction device is in particular a downdraft extraction appliance and/or forms a combination appliance in combination with the cooking hob.
  • the extraction device of the combination appliance is preferably arranged below the cooking hob.
  • the extraction device comprises an air inlet opening, air conveying means for aspirating air from the area above the cooking hob through the air inlet opening, and an exhaust opening for exhausting air from the extraction device.
  • the air inlet opening is preferably arranged at or below a cutout or a recess of a worktop, particularly of a cooktop or glass plate of the cooking hob.
  • the air conveying means may be a fan.
  • the air is particularly aspirated through the cutout or recess of the worktop, more specifically through the cutout or recess of the cooktop or glass plate.
  • the air released from the exhaust opening is particularly passed on into the ambient air, more particularly into room air.
  • the extraction device preferably further comprises a filter element, which may comprise an odour filter and/or a carbon filter for removing odours from the aspirated air.
  • the extraction device may further comprise an electrostatic filter for removing particles, which are based on the electrostatic principle, from the aspirated air.
  • the air guiding and/or channelling element is connected to or cooperates with the exhaust opening of the extraction device, or, as an alternative, the air guiding and/or channelling element is configured to be connected to or to cooperate with the exhaust opening of the extraction device.
  • the air guiding and/or channelling element comprises an air distributing and/or diffusing means.
  • the air guiding and/or channelling element may further comprise an air deflecting wall and/or may be arranged outside of a housing of the extraction device.
  • the air distributing and/or diffusing means is configured to split the air up, which air flows along or inside the air guiding and/or channelling element.
  • the air distributing and/or diffusing means is configured to enlarge the contact area of the flowing air with a wall surface.
  • Said wall surface, or the related wall or wall section comprising said wall surface is particularly arranged or arrangeable next to or adjacent to a building wall, especially an external building wall, or a furniture wall.
  • an insulating means is arranged or arrangeable between a wall element or a wall section of the air guiding and/or channelling element and a building wall, especially an external building wall, or a furniture wall.
  • the insulating means may be sandwiched between the wall element or wall section and the building wall or furniture wall.
  • Said insulating means is in particular an insulating layer.
  • the air guiding and/or channelling element may be arranged outside of a housing of the extraction device.
  • the present invention is favourable in view of a reduction of the risk of damages to a wall behind the extraction device, specifically a wall facing the exhaust opening of the extraction device.
  • the fact that the airflow leaving the exhaust opening is distributed over a surface that is particularly enlarged in comparison with the area of the exhaust opening, with the effect of preventing a punctual focusing of the airflow with affecting a specifically limited area of the wall surface by a high concentration of moisture-laden air, a wall section staying moist over a longer period with a resulting mould formation is avoided.
  • Another advantage achieved by the present invention is founded in the fact of having an optimization, i. e. essentially a reduction, of the noise of the airflow.
  • the extraction device may alternatively be an extraction hood, which may be installed in a household kitchen, but an arrangement in an industrial or canteen kitchen may be possible as well.
  • the cooking hob being the source for the aspirated cooking vapours may be of any type including electric or gas cooking hobs.
  • the electric cooking hob is an induction cooking hob.
  • the cooking hob may further be an autarkic cooking appliance, particularly integrated in a countertop of kitchen furniture, or it may be part of a stove.
  • a top surface of the cooktop or glass plate which is accessible to a user, may be used for putting cookware thereon, specifically in order to perform a cooking process.
  • the cooking hob preferably comprises at least one heating element defining a cooking zone on the cooktop or glass plate, which is favourably made out of glass ceramics.
  • a preferred embodiment of the present invention provides for a filter element, which is arranged upstream of the air conveying means and removable through the air inlet opening, in particular through the cutout or recess of the worktop.
  • the air guiding and/or channelling element is or comprises a diffusor plate, the diffusor plate being arranged downstream of the air conveying means and facing the exhaust opening.
  • the diffusor plate particularly comprises at least one air guiding rib or blade, but preferably a plurality of air guiding ribs or blades is provided. Said at least one air guiding rib or blade is configured for distributing the airflow in an upward direction and/or in a downward direction and/or in a sideways direction.
  • the distribution direction is preferably configurable depending on a user's preference or installation conditions. For example, a rotatable plate or another rotatable means is provided for the modification and/or adaptation of the distribution direction.
  • the air guiding and/or channelling element in particular the diffusor plate, may be configured to be attached to the building wall and/or to the furniture wall.
  • the attachment may particularly be performed by gluing, wherein a thermally insulating glue layer may be applicable.
  • a diffusor means is arranged at an outlet opening of the air guiding and/or channelling element.
  • the diffusor means is rigidly designed or, alternatively, designed as an adjustable element configured for an adjustment of the direction of distribution by a user of the fume extraction system.
  • the extraction device may be characterized in that the air guiding and/or channelling element, in particular the diffusor plate, comprises an oleophobic and/or hydrophobic coating.
  • a material with rapid water-absorbing and subsequent water-releasing characteristics, in particular silica gel, may be included in the air guiding and/or channelling element supplementarily to or as a substitute for the oleophobic and/or hydrophobic coating.
  • the air guiding and/or channelling element in particular the diffusor plate, comprises an odour absorbing material or characteristic. This may be an alternative to an odour filter element, or it may further increase the odour reducing capacity of the extraction device.
  • the air guiding and/or channelling element in particular the diffusor plate, may also comprise mechanical means for collecting condensed water, in particular water drops.
  • a collection trough or gutter may be provided.
  • the air guiding and/or channelling element in particular the diffusor plate, is U-shaped in a cross-section. More specifically, the U-shaped air guiding and/or channelling element is open towards the exhaust opening. With such U-shaped design, the open side thereof facing the exhaust opening and being arranged in such way as to receive the air that is discharged from the exhaust opening, a fume extraction system is provided, with which the amount of air that will get uncontrolled to the reverse side of a kitchen cabinet, in which the extraction device is installed, is significantly reduced.
  • the air guiding and/or channelling element is advantageously an exhaust channel.
  • Said exhaust channel comprises two opposing U-shaped channel elements, which interlock and form a depth-adjustable pipe. That way, an adaptation to the installation conditions for the fume extraction system, more specifically to a distance between a rear wall of the related kitchen cabinet and the room or building wall, is enabled.
  • At least one sensor means is arranged downstream of the exhaust opening.
  • the sensor means is configured to measure the temperature and/or the humidity of the air. Additionally, or alternatively, the sensor means may detect or measure type and/or concentration of organic compounds, in particular volatile organic compounds, comprised in the air.
  • the at least one sensor means is particularly arranged in flow direction, which the air takes when passing through the exhaust opening.
  • the at least one sensor means is particularly arranged at a surface of the air guiding and/or channelling element, specifically at the diffusor plate.
  • One specific embodiment of the fume extraction system including the at least one sensor means is characterized in that the at least one sensor means is connected to a control unit of the extraction device, which control unit is configured to modify an operating program of the extraction device based on data received from the at least one sensor means.
  • the operating program is or comprises a breeze function with low airflow speed, which may be modifiable.
  • the air guiding and/or channelling element in particular the diffusor plate
  • the air guiding and/or channelling element is provided in different sizes. This allows for the air guiding and/or channelling element for being assignable to the width of the extraction device, which in particular has a width of at least approximately 60 cm, 68 cm, 80 cm or 90 cm.
  • the distance between exhaust opening and a rear wall of the air guiding and/or channelling element, in particular the diffusor plate may be between 10 and 180 mm, preferably between 25 and 115 mm.
  • the air guiding and/or channelling element in particular the diffusor plate, may also comprise purification means for a cleaning of the exhausted air.
  • Said purification means are preferably formed by an antibacterial coating, in particular including silver ions, which coating may be arranged at a surface of the air guiding and/or channelling element.
  • the object is further achieved for a method for operating an extraction device according to the preamble of claim 14 by the features of the characterizing part of claim 14.
  • a method for operating an extraction device which removes air, specifically cooking vapours, from an area above a cooking hob is provided.
  • the extraction device at least comprises an air inlet opening, an air conveying means for aspirating air from an area above a cooking hob through the air inlet opening, and an exhaust opening for exhausting air from the extraction device.
  • the air inlet opening is preferably arranged at or below a cutout or a recess of a worktop, particularly of a cooktop or glass plate of the cooking hob.
  • the air is particularly aspirated by a fan, more particularly through the cutout or recess of the worktop.
  • the air may be passed on into the ambient air, more particularly into room air, which is for example the ambient air in a kitchen, in which the extraction device is arranged.
  • the extraction device is particularly included in the fume extraction system as herein disclosed, more specifically as previously described.
  • the extraction device is operated based on data from at least one sensor means arranged downstream of an exhaust opening of the extraction device.
  • the at least one sensor means is in particular arranged at a surface, more specifically a wall surface, which faces the exhaust opening, and/or transmits data related to temperature conditions and/or humidity conditions and/or concentration of organic compounds, which may be volatile organic compounds.
  • the extraction device may be operated with a sensor-based operating program based on humidity data transmitted from a humidity sensor. More specifically, the operating program comprises a breeze function. In addition, or as an alternative, the extraction device may be operated with a sensor-based function or operating program based on temperature data transmitted from a temperature sensor.
  • the conveying velocity of the airflow and/or the duration of the sensor-based operating program is/are modified depending on the humidity data and/or depending on the temperature data.
  • any temperature data exceeding a predetermined temperature level may point to a fire risk, so that the air conveying means of the extraction device can be switched off and other security measure, such as switching off the cooking hob, may be triggered.
  • Figs. 1 to 3 illustrate a general construction and installation of a combination appliance 10, which comprises a cooking hob 12 and a downdraft extraction device 14 installed in a kitchen cabinet 16, as it is already known in the prior art.
  • the cooking hob 12 is implemented in a cutout of a kitchen countertop 18 forming a top cover plate of the kitchen cabinet 16.
  • the downdraft extraction device 14 is configured to take away cooking vapours occurring during cooking processes, in particular when cooking with uncovered cookware.
  • the cooking hob 12 comprises cooking regions 20a, 20b arranged on a left half and a right half of a cooktop 22 of the cooking hob 12, which left and right halves are separated from each other by a suction opening 24 for an intake of the cooking vapours, the suction opening 24 being arranged alongside a cooktop centreline.
  • the suction opening 24 is covered by a cover grid 26 for preventing items, e. g. cookware, to fall into the suction opening 24.
  • a lid may be used for entirely covering the suction opening when the extraction device 14 is out of use, but for the operation of the extraction device 14 the lid is pivotable into an upright open position.
  • a casing 28 of the extraction device 14 is shown in Fig. 1 in transparent illustration.
  • Said casing 28 provides a closed outer shell or first channel for a flow of the sucked-in cooking vapours on their way from the suction opening 24 to an exhaust opening 30 in a base area 32 of the kitchen cabinet 16.
  • Said exhaust opening 30 is also covered, namely by an outlet grille 34.
  • the flow of the sucked-in cooking vapours through the extraction device 14 is driven by the operation of an extraction fan 36 arranged inside of the casing 28.
  • Said extraction fan 36 comprises a bottom-sided intake opening 38 for sucking the cooking vapours from the interior space of the casing 28.
  • a rear-sided fan outlet 40 is arranged for a horizontal exit of the air blown out backwards from the extraction fan housing 42.
  • the fan outlet 40 is connected to a first end of an air duct 44 designed as a rectangular tube and forms a second channel arranged downstream of the above-mentioned first channel.
  • an air duct bending by 90 degrees is implemented, which redirects the airflow from horizontal to vertical downwards.
  • the air duct 44 is guided alongside a rear side of the kitchen cabinet 16 and is bent again by 90 degrees close to a rear lower edge of the kitchen cabinet 16 in order to direct the airflow towards exhaust opening 30 in the base area 32 of the kitchen cabinet 16. Accordingly, the second end of the air duct 44 is connected to the exhaust opening 30.
  • a filter assembly 48 which is arranged downstream directly behind the suction opening 24 for providing a purification of the conveyed air.
  • Said filter assembly 48 includes a filter carrier 50 supporting a filter element (not shown) that is usually configured for filtering out grease particles and droplets.
  • the cross-sectional view of Fig. 2 further shows two power boards 54, one for the left cooking region 20a and one for the right cooking region 20b, the power boards 54 providing cooking zones in the left and right cooking regions 20a, 20b with electrical power.
  • the cooking hob 12 is an induction cooking hob and the cooking zones are defined by induction coils (not shown) that are arranged below the cooktop 22 of the cooking hob 12. Attached to the bottom side of the power board 54 assigned to the right cooking region 20b, a further circuit board is arranged forming a control electronics 56 for the combination appliance 10.
  • Fig. 4 illustrates, by a schematic presentation, a combination appliance 10 similar to that one of Figs. 1 to 3 installed in a kitchen cabinet 16, which further comprises two kitchen drawers 60 arranged underneath the combination appliance 10.
  • this embodiment of a combination appliance 10 enables full utilization of the entire depth of the kitchen cabinet 16, i. e. there is no need to install drawers 60 with lower depth.
  • the extraction device 14 of the combination appliance 10 blows the air out backwards into the atmosphere through an exhaust opening 30 arranged at the rear of the extraction device 14.
  • the fan outlet 40 of the extraction device 14 is immediately followed by an outlet duct 58 replacing the air duct 44 and its air duct bending of the embodiment according to Fig. 1 . Consequently, rather than to convey the air through the interior of the kitchen cabinet 16 inside of the air duct 44, an immediate rearward air exhaustion shortly after the fan outlet 40 through the outlet duct 58 and, thereafter, through the exhaust opening 30 on the rear side of the exhaustion device 14 is provided.
  • a rear wall 62 of the kitchen cabinet 16 is provided with a cutout 64 in order to enable the exhaust air to be blown out towards a building wall 66, where the exhaust air spreads over the gap between rear wall 62 and building wall 66.
  • a cutout 64 in order to enable the exhaust air to be blown out towards a building wall 66, where the exhaust air spreads over the gap between rear wall 62 and building wall 66.
  • water droplets 68 which are created as a result of condensation of the humidity contained in the air that leaves the extraction device 14 through the exhaust opening 30, due to the focused airflow towards the building wall 66, which airflow is formed by the tubular outlet duct 58, condensation occurs at the focused area at the building wall 66 due to the high concentration of humid air, particularly when this area is cold, e. g. in the winter period.
  • the water droplets 68 which may also be created at the reverse side of the rear wall 62 of the kitchen cabinet 16, flow down at building wall 66 and cabinet rear wall 62 and may be collected on the kitchen floor 70.
  • a distribution means effecting the airflow to spread across an enlarged area is provided by a diffusor plate 72 leaned against the building wall 66.
  • this diffusor plate 72 is designed shell-like with a rectangular bottom plate 74, with which the diffusor plate 72 leans against the building wall 66. In this upright orientation, the upper rim section 76 of the shell-like diffusor plate 72 may touch the reverse side of the rear wall 62 of the kitchen cabinet 16 in order to avoid the airflow to be redirected upwards.
  • the diffusor plate 72 is made of plastic material, which has thermal insulation characteristics, but also an insulating layer 86 is arranged between the bottom plate 74 of the diffusor plate 72 and the inner surface of the building wall 66. That way, a sufficient thermal insulation is provided and it is not necessary for the installer of the combination appliance 10 to care about this question.
  • a backwall cover 88 which may also be made of plastic, and which leans against, in particular is glued on, the rear wall 62 of the kitchen cabinet 16.
  • said backwall cover 88 is slightly reduced in width compared to the diffusor plate 72 and is also U-shaped in cross-section, in the same way as the diffusor plate 72.
  • diffusor plate 72 and backwall cover 88 are arranged in that their U-shapes open in opposite directions, their lateral rim sections 78, 78' interlock and form a circumferentially closed air channel.
  • the lateral rim sections 78, 78' both of the diffusor plate and of the backwall cover are configured to slide along each other, hence forming a depth-adjustable channel formation, which allows an adaptation to installation conditions of the respective installation location.
  • the backwall cover 88 may be attached at the rear wall 62 of the kitchen cabinet 16 by an intermediated insulating layer (not shown), which may not only be for reasons of thermal insulation, but also provides an acoustic baffle reducing flow noises.
  • the diffusor plate 72 is also configured to spread the air moving along it.
  • diffusor ribs 90 are arranged, particularly integrally moulded. These diffusor ribs 90 are configured to distribute the air at the bottom end of the diffusor plate 72 to the entire width of the diffusor plate 72.
  • the height of the diffusor ribs 90 is selected by the same dimensional extension as the lateral rims 78 of the diffusor plate 72, which allows a maximum utilization of the depth adjustment of the channel formation.
  • the combination appliance 10 specifically described herein does not only comprise mechanical means for avoiding damages to the building wall 66 and/or the furniture wall, i. e. the rear wall 62 of the kitchen cabinet 16.
  • the combination appliance 10, more specifically the extraction device 14 of the combination appliance 10 comprises or cooperates with sensor means (not shown), which provide data input to a control unit of the extraction device 14 and/or of the cooking hob 12 and/or of the entire combination appliance 10.
  • the sensor means of the specifically described and illustrated embodiment include at least one temperature sensor, which measure(s) the temperature of the airflow and/or the temperature of the building wall 66, alternatively of the diffusor plate 72, and at least one humidity sensor, which provides information related to the moisture concentration of the airflow downstream of the exhaust opening 30.
  • additional or alternative sensor means detecting the concentration of organic compounds may be used.
  • Said sensor means, at least a temperature sensor detecting the temperature of the building wall 66, may be positioned at the diffusor plate 72 opposite the exhaust opening 30.
  • Another temperature sensor for measuring the temperature of the airflow may be arranged in the space between the building wall 66 or diffusor plate 72 and the rear wall 62 of the kitchen cabinet 16 or backwall cover 88.
  • the dew point of water i. e. when condensation at the building wall 66 or the diffusor plate 72 takes place, can be determined.
  • the control means or a process control application is enabled to determine a duration of a breeze function or program, working as a drying function for the building wall 66 or the diffusor plate 72, respectively, and/or the rear wall 62 of the kitchen cabinet 16 or the backwall cover 88, respectively, after finalizing the operating program for the extraction of cooking fumes.
  • a further function of the temperature sensor for temperature measurement of the wall may be provided by warning a user of the combination appliance 10 in case of low outdoor temperature. E. g. with a display of a message "Wall too cold", the user may be advised to not run the extraction device 14 at the present time.
  • the sensor data may be used to determine how long it will take to dry the wall, which estimated information may be given to the user in a display means of the combination appliance 10.
  • Information about the concentration of organic (e. g. carbon-based) compounds may be determined, too. This enables a determination of the concentration of odour-causing components in the exhaust air. By this means, i. e. any information about purity of the exhaust air, knowledge about any saturation of filter elements of the extraction device 14, indicating any need for a cleansing, may be perceived.
  • the sensor data may also be used for a sustainable operation of the extraction device 14. For example, if a warm wall, no humidity in the exhaust air, a sufficiently warm exhaust air and/or no organic compounds in the exhaust air may be detected, the extraction device 14 may be operated with a minimum amount of energy necessary to prevent mould growth, i. e. damage to the kitchen or house. Moreover, the user may actively be informed about such low-energy consumption and/or the user may determine the right time for a change of filter elements.
  • FIGs. 8 and 9 show specific flow charts for the extraction device using the described sensor data.
  • the flow chart illustrates an operating program for the extraction device 14 using humidity and temperature data.
  • Input data are provided to a control unit, by operation box 100, transmitting temperature information from a temperature sensor attached to the diffusor plate 72, which has physical contact to the building wall 66 behind the kitchen cabinet 16, in which the combination appliance 10 is installed. Further data are provided by 120 transmitting air humidity information from a humidity sensor positioned in the airflow downstream of the exhaust opening 30.
  • the dew point of the water of the cooking fumes in the airstream is determined using Mollier-h-x-diagram information. If the temperature of the wall is too cold, decision box 130, a message is displayed, e. g.
  • room temperature is too cold as well as a recommendation to not use the extraction device 14 until sufficient room temperature is reached, see operation box 140.
  • operation box 150 normal operation is allowed.
  • decision box 160 the operation is continued by operation box 170, without any amendment to operational parameters. If humidity increase, by operation box 160, is measured, with respective sensor information from operation box 120, by next decision box 180, determination takes place if the diffusor plate 72 is already humid, i. e. whether already condensation effect occurs. If this is not the case, no specific action takes place, by operation box 190, and the extraction device 14 operation continues without any modification. Otherwise the extraction device 14 will be operated on a low level, i.
  • the flow chart according to Fig. 9 illustrates a safety function for the extraction device 14 and any impact on a corresponding cooking hob 12 und use of temperature data.
  • Input data are provided to a control unit, by operation box 300, transmitting temperature information from a temperature sensor positioned in the airflow downstream of the exhaust opening 30. If the air temperature in the airflow is substantially higher than an expected level that corresponds to a user's normal cooking behaviour, decision box 310, the danger of fire generation is growing, so that the combination appliance 10 will shut down all operations, i. e. all heating units of the cooking hob 12 will be switched off and the operation of the extraction device 14 will be terminated, operation box 330. Otherwise, no safety action is required, operation box 320, and the extraction device 14 as well as the cooking hob 12 are operated as configured by the user, and the safety monitoring is continued until the combination appliance 10 is entirely switched off.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
EP22207131.8A 2022-11-14 2022-11-14 Dunstabzugsanlage und verfahren zum betrieb einer abzugsvorrichtung Pending EP4368899A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22207131.8A EP4368899A1 (de) 2022-11-14 2022-11-14 Dunstabzugsanlage und verfahren zum betrieb einer abzugsvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22207131.8A EP4368899A1 (de) 2022-11-14 2022-11-14 Dunstabzugsanlage und verfahren zum betrieb einer abzugsvorrichtung

Publications (1)

Publication Number Publication Date
EP4368899A1 true EP4368899A1 (de) 2024-05-15

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EP22207131.8A Pending EP4368899A1 (de) 2022-11-14 2022-11-14 Dunstabzugsanlage und verfahren zum betrieb einer abzugsvorrichtung

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107504541A (zh) * 2017-10-19 2017-12-22 沈宏 一种抽油烟机
US20190186758A1 (en) * 2016-08-26 2019-06-20 BSH Hausgeräte GmbH Combined appliance and a kitchen device with the combined appliance
WO2020163443A1 (en) * 2019-02-05 2020-08-13 Oy Halton Group Ltd. Cooking pollutant control methods devices and systems
WO2021160431A1 (de) * 2020-02-14 2021-08-19 BSH Hausgeräte GmbH Dunstabzugsvorrichtung, system zur installation und montagesatz für eine dunstabzugsvorrichtung
WO2022112062A1 (en) * 2020-11-30 2022-06-02 Electrolux Appliances Aktiebolag Extraction system for removing air and cabinet
US20220282873A1 (en) * 2021-03-08 2022-09-08 Whirlpool Corporation Automatic sensing vent hood
CN115247824A (zh) * 2022-06-30 2022-10-28 宁波方太厨具有限公司 风机外置式集成灶系统及其控制方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190186758A1 (en) * 2016-08-26 2019-06-20 BSH Hausgeräte GmbH Combined appliance and a kitchen device with the combined appliance
CN107504541A (zh) * 2017-10-19 2017-12-22 沈宏 一种抽油烟机
WO2020163443A1 (en) * 2019-02-05 2020-08-13 Oy Halton Group Ltd. Cooking pollutant control methods devices and systems
WO2021160431A1 (de) * 2020-02-14 2021-08-19 BSH Hausgeräte GmbH Dunstabzugsvorrichtung, system zur installation und montagesatz für eine dunstabzugsvorrichtung
WO2022112062A1 (en) * 2020-11-30 2022-06-02 Electrolux Appliances Aktiebolag Extraction system for removing air and cabinet
US20220282873A1 (en) * 2021-03-08 2022-09-08 Whirlpool Corporation Automatic sensing vent hood
CN115247824A (zh) * 2022-06-30 2022-10-28 宁波方太厨具有限公司 风机外置式集成灶系统及其控制方法

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