EP2282126B1 - Hotte aspirante dotée d'une unité de commande - Google Patents

Hotte aspirante dotée d'une unité de commande Download PDF

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Publication number
EP2282126B1
EP2282126B1 EP10170060.7A EP10170060A EP2282126B1 EP 2282126 B1 EP2282126 B1 EP 2282126B1 EP 10170060 A EP10170060 A EP 10170060A EP 2282126 B1 EP2282126 B1 EP 2282126B1
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EP
European Patent Office
Prior art keywords
extractor hood
panel
operating
operating state
control
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.)
Active
Application number
EP10170060.7A
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German (de)
English (en)
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EP2282126A3 (fr
EP2282126A2 (fr
Inventor
Gerd Wilsdorf
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2282126A2 publication Critical patent/EP2282126A2/fr
Publication of EP2282126A3 publication Critical patent/EP2282126A3/fr
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Publication of EP2282126B1 publication Critical patent/EP2282126B1/fr
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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
    • F24C15/2021—Arrangement or mounting of control or safety systems

Definitions

  • control units are known in which individual operating elements, in particular in the form of keys, are provided for operating different functional units of the extractor hood, in particular of the fan blower and the lighting device.
  • Such a control unit is for example in the DE 10 2004 055 943 A1 described. Different fan levels are set in this cooker hood, for example, by repeatedly pressing a corresponding button.
  • a disadvantage of these extractor hoods lies in particular in the complex structure of the extractor hood in the area of the operating unit.
  • the cooker hood has a fan and lighting for an underlying hob.
  • Non-contact switching sensors allow the fan and lighting to be operated without the need for additional remote control.
  • the sensor is designed as a motion detector.
  • the extractor hood can also be switched on or off by pressing a switch on the hob.
  • a control panel assembly for household machines is described.
  • the control panel arrangement is described in particular for washing machines, tumble dryers or dishwashers.
  • the operating panel arrangement comprises at least three electrodes, which are arranged distributed approximately parallel to the control panel, and evaluation means, which are adapted to calculate the spatial position of an operating means, which can represent a finger, with respect to the position of the three electrodes.
  • the operating sections as positions of the operating means in the region of the outside of the control panel are freely definable.
  • the household appliance may for example be an extractor hood.
  • the post-published EP 2 261 568 A1 discloses a control device for a kitchen appliance.
  • the kitchen appliance includes one or more electrical and / or electromechanical devices.
  • a touch-sensitive control device which is designed to operate the one or more electrical and / or electromechanical devices of the same kitchen appliance or of one or more further kitchen appliances.
  • the kitchen appliance may be an extractor hood and the touch-sensitive control device may be operated by sliding a finger along it.
  • a selection device comprising keys arranged on the side surface of the kitchen appliance adjacent to the touch-sensitive control device.
  • Object of the present invention is therefore to provide a cooker hood, which allows a simple operation in the control unit, a flexible operation of functional units of the hood.
  • the functional units of the extractor hood are units that directly or indirectly influence the functions of the extractor hood.
  • the functions of an extractor hood are in particular the suction of air, steam and vapor from a space below the hood and the lighting of a room, especially below the hood.
  • the functional units are therefore according to the invention in particular the fan blower unit, the lighting device, sensors, time measuring and monitoring units or the hood control.
  • These functional units usually include several Functional elements, such as a blower motor, the fan blower, lighting elements, lighting control, sensor elements, time detection elements, a timer, signal processing elements for signal processing for the extractor hood control.
  • connection between the actuating element and the at least one functional unit can be direct or indirect, that is, consist of further units or components.
  • the connection between the actuating element and the fan blower unit and the lighting unit can consist of a control unit.
  • the control unit may in this case be a central extractor hood control or a fan control and a lighting control.
  • the connection can also be formed mechanically by wires or other signal transmission means or electronically by means of circuits. In particular, in the latter case, the connection with a functional unit is made only if there are operating conditions to be set at this.
  • the operating state of the extractor hood is a state in which at least one of the functions of the extractor hood is carried out at least temporarily.
  • the functions of the extractor hood are executed in different operating conditions according to different rules.
  • the extractor hood can be located, for example, in the following operating states or brought into this.
  • An operating state of the extractor hood is the normal ventilation, in which a fan level is usually selected or specified by the user.
  • Another operating state is the interval ventilation, in which the fan blower is operated only at intervals spaced at intervals.
  • the after-ventilation also represents an operating state of the extractor hood. In this case, the fan blower is still operated for a predetermined period of time after switching off the extractor hood.
  • the fan power or fan level is determined by sensor signals that have been detected, for example, by an ultrasonic sensor.
  • the above-mentioned operating conditions of the extractor hood all relate to the function of the extractor hood of the suction of air, vapors and steam.
  • the extractor hood can also be brought into a further operating state in which a space or a surface is illuminated by the lighting device.
  • Another operating state is the Function of an integrated in the hood short-time alarm clock, colloquially also called egg timer.
  • the different operating states of the extractor hood which relate to the intake of air, vapor and steam, as well as the operating state of the lighting and the operating state as a short-term alarm clock can also be set in combination with each other.
  • each operating condition there are several operating conditions, which in particular describe the duration and intensity of the function to be performed by the extractor hood in this operating state.
  • the operating conditions are thus in particular the intensity of the fan power and / or the lighting, the duration of the ventilation and / or lighting, the times of ventilation and / or lighting, the generation of sensor signals by sensors and programs that the operating conditions of the other functional units to adjust.
  • the operating condition is, for example, the fan power.
  • the run-on duration and the follow-up fan power of the fan blower can be set as operating conditions.
  • the interval time (duration for which ventilation is turned on per interval), interval distances (time period for which ventilation is turned off per interval), and fan ventilation interval fan output can be set as operating conditions.
  • the illumination intensity of the illumination device can be set as an operating condition.
  • the alarm running time can be set as the operating condition.
  • the fan power and duration of the ventilation can be set as the operating condition.
  • the fan power at normal ventilation can be set by selecting a fan level.
  • the operating conditions can also be set by setting values.
  • the fan power can be finely adjusted to different values. These values do not have to be specified in contrast to the fan levels mentioned. Thus, practically a stepless adjustment of the operating conditions can be achieved.
  • the operating conditions in some programs can partially be summarized. This applies in particular to the interval ventilation, the after-ventilation and the automatic mode.
  • the selection of the operating state and the setting of the operating condition or operating conditions of the operating state is understood according to the invention.
  • the setting of the operating conditions is understood as the selection or definition of parameters of the operating condition, wherein the setting preferably takes place by selecting a fixed program with fixed parameter values.
  • the functional units, with which the central control element is connected may be a fan blower unit, a lighting unit, a control unit and / or a measuring unit of the extractor hood. Through the connection with these units, all operating conditions required for the different operating conditions can be set via the central control element.
  • the central control element is connected to a control unit as a functional unit, which adjusts the conditions, such as the fan speed and ventilation time depending on the operation of the central control element.
  • programs may be stored in the control unit for this purpose, in which the values of the individual conditions are defined.
  • the appropriate conditions on the appropriate functional unit such as the fan blower set.
  • control unit By the control unit is arranged behind a panel in the hood according to the invention, openings or passages in the aperture, as they are required in the prior art for key plunger, not necessary. As a result, a flat continuous surface or front surface of the panel is created or obtained and thereby simplifies the construction of the hood. In addition to the ease of manufacture, the continuous aperture also has the advantage that it can be easily cleaned.
  • control elements via which the operating states can be selected can be simply designed. In particular, these require no additional function, such as the multiple operation to select a fan level. This further simplifies the construction of the extractor hood in the area of the operating unit.
  • the adjusting element can in particular comprise capacitive proximity switches or nutrient sensors.
  • the use of such a control element allows the arrangement of the control element as part of the control unit behind a continuous panel. As a result, the actuator is protected from contamination and mechanical loads without separate seals or covers are necessary.
  • the construction of the hood in the control unit is further simplified.
  • the control element is a slide switch without mechanically displaceable elements.
  • the control element is formed by a control strip, in particular capacitive control strip.
  • a control strip in particular capacitive control strip.
  • By approaching the control strip or movement along the control strip different control values can be generated, which can serve as parameters for the individual operating conditions.
  • the advantage of this embodiment is, in particular, that a large number of different parameter values can be generated and thus also a fine-level setting, which is also referred to as infinitely variable adjustment of operating conditions of the operating states, can be realized.
  • a corresponding advantage can also be achieved with an actuating element, in which a rotation or an angle value of the approach is detected.
  • control element is designed so that when the control element is actuated, it jumps from a predetermined value or program to another predetermined value or another predetermined program.
  • the after-ventilation can first be selected as the operating state and then the desired parameters can be entered via the control element. This can be done, for example, by selecting a program in which the default setting is that the after-ventilation takes place for 5 minutes at fan level 3.
  • the actuator of the control unit is inventively be connected to at least two selection elements for selecting at least one operating state of the hood.
  • These selection elements are arranged separately from the central control element and can be actuated separately from the central control element. By selecting an operating state of the extractor hood by means of the selection element, it is ensured that input values which are generated via the actuating element are used for the corresponding operating state.
  • the one or more separate selection elements are designed according to the invention as touch or proximity sensor elements. By such an embodiment of the selection elements a passage, for example for key tappet, in the panel is not required in this area.
  • the extractor hood preferably has a DC motor as the drive of the fan blower of the extractor hood.
  • the DC motor can be finely adjusted via the actuator.
  • the setting of the DC motor in particular represents the setting of operating conditions of the DC motor to different values. These values need not be predetermined but can be freely selected by the user. Thus, practically a stepless adjustment of the operating conditions of the operating state of the ventilation can be achieved.
  • This embodiment has the advantage that the performance of the fan blower can be adjusted precisely to the current conditions in the room in which the extractor hood is operated and thus the energy requirement can be minimized.
  • the extractor hood comprises a lighting unit which is connected to the actuating element so that at least one operating condition of the operating state of the lighting can be adjusted in a finely graduated manner.
  • the values of the operating conditions of the lighting can be freely selected by the user. The fine-tuning of the operating conditions therefore corresponds to a virtually continuous adjustment of the values. If the operating condition of the intensity of the illumination is set by the user via the adjusting element, then the fine-level setting represents a dimming of the illumination.
  • the aperture is divided by different surface treatment into an operating area, behind which the operating unit is arranged, and an information output area. Due to the different treatment of the surfaces in the operating area and the information output area, the different requirements for these areas can be taken into account. Thus, it is important for a continuous diaphragm that it has information areas in the information output area, via which status information or settings information can be output, in particular displayed.
  • the control unit is provided behind the panel. In this area, the operating unit and its components should therefore be largely concealed with a transparent panel.
  • the areas by surface treatment it is not necessary to provide a separate cladding, for example a cover panel for the operating area.
  • the panel divided into two areas according to this embodiment is one-piece and thus can be easily used and removed for assembly and repair purposes, which is not the case with a separate cover plate.
  • the surface treatment is in particular a coating.
  • the surface treatment preferably represents the application of a layer by means of printing, in particular screen printing, or gluing, in particular laminating or laminating.
  • the advantage of these types of coatings is that the regions can be designed individually, for example in the operating area in a foil or layer symbols for selection elements or other symbols are introduced or omitted. The production of such a layer can be effected by printing processes.
  • the layer with which the diaphragm is coated in the operating region a metallic layer.
  • the metallic layer may be a stainless steel sheet or aluminum sheet of small thickness or a printing layer or film containing metallic color pigments.
  • a metallic material By choosing a metallic material, the insight into the interior of the hood through the aperture can be prevented.
  • such a coating adds to the overall appearance of the hood, which is usually made of sheet metal, a. If the layer thickness of the metallic layer is sufficiently thin, this is for example 2mm or less, the coating of the operating area may be continuous.
  • the actuation of the elements can take place through the diaphragm provided with the layer with a small layer thickness.
  • recesses it is also possible for recesses to be provided in the layer in the region of the adjusting element and of selection elements.
  • the bezel may be surface treated in the operating areas on the front side and / or the rear side.
  • the applied layer will be a metallic layer. If the panel in the operating area is surface-treated both on the front side and on the rear side, a black-and-white backprint can additionally be provided on the rear side. This has the advantage that the transition between the operating area and the information output area on the rear side is not taken into account in the surface treatment and that it can be provided with a layer over its entire area.
  • the diaphragm used in the invention consists of a material which can serve as a dielectric.
  • a transparent dielectric is used.
  • the panel can therefore be made of glass or plastic, for example.
  • the adjusting element and possibly provided selection elements can be designed as proximity sensors for which the diaphragm serves as a dielectric.
  • the hood is a dining and the panel forms the entire front of the screen of the Esse. This further simplifies the construction of the extractor hood.
  • FIG. 1 shows part of an extractor hood 1 according to an embodiment of the present invention.
  • the extractor hood 1 comprises a viewing screen 2, which is also referred to as Wrasentub or screen, as well as from the viewing screen 2 upwardly extending chimney 3.
  • the section of the screen 2 is shown in the area below the chimney.
  • the extractor hood 1 represents a dining, in particular a island fair or a Wandesse.
  • the viewing screen 2 has a flat box shape.
  • the front of the viewing screen 2 is formed by a diaphragm 20 which extends over the entire height and width of the viewing screen 2.
  • the bezel 20 is a continuous glass plate in which an upper information output section 21 and a lower operation section 22 are provided.
  • the information output area 21 and the operation area 22 extend over the entire width of the viewing screen 2.
  • a display area 211 is provided in the information output area 21, a display area 211 is provided.
  • this area 211 20 incorporated behind the panel 20 or in the aperture 20 display devices 2111 are provided.
  • the display devices may be seven-segment displays, symbol displays or plain text displays.
  • the display device 2111 is designed such that it displays both the set fan level and the set illumination intensity.
  • an adjusting element 221 is provided in the operating area. This forms the part of an operating device.
  • the actuator 221 is disposed behind the panel 2 and its position is marked on the front side 201 of the panel 2 by markings.
  • selection elements 222, 223, 224, 225 are arranged on the side of the adjusting element 221 . These selection elements 222, 223, 224, 225 are formed in particular by sensor elements arranged behind the diaphragm 2.
  • the selection element 222 serves to switch the extractor hood 1 on and off.
  • the selection element 223 serves to select the operating state of the normal ventilation, and the selection element 224 serves to select the operating state of the lighting.
  • the selection element 225 is used to set the operating state of the after-ventilation.
  • operating conditions for the selected operating state can be set via the adjusting element 221. If, for example, the selection element 223 is actuated, the values entered via the control element 221 are used to set the fan level, the fan power or a fan program. The fact that the normal ventilation is selected can be indicated, for example, by lighting the symbol in the operating area 22. In the display area 211, moreover, the currently selected or set fan level is displayed. If, on the other hand, the selection element 224 is actuated, the intensity of the illumination is set when the adjustment element 221 is actuated.
  • the time period and / or the intensity of the ventilation and / or the illumination during a follow-up phase can be adjusted by the adjusting element 221.
  • the parameters for the operating conditions during the after-ventilation are stored in the form of programs, so that only one program is selected via the control element 221 and the duration and intensity of the after-ventilation is set in accordance with the program.
  • the selection element 223 is actuated, the fan power is adjusted steplessly or finely stepped upon actuation of the adjusting element 221.
  • the set fan power is displayed in the display area 211.
  • the selection element 224 is actuated, the light intensity is varied upon actuation of the adjusting element 221.
  • the set light intensity is displayed in the display area 211.
  • the fan power and the illumination intensity can be displayed and displayed by a common display area 211 with the hood according to the invention via a single non-contact actuable actuator.
  • FIG. 4 a schematic block diagram of functional units of an extractor hood 1 is shown and illustrated how, according to one embodiment of the invention, the connection between the actuator 221 and the functional units can be configured.
  • the extractor hood 1 is connected to the central actuating element 221 with a control unit 10, which in the illustrated embodiment is a central extractor hood control.
  • the control element 4 is further connected to the fan blower unit 11, the lighting unit 12 and a timer unit 13 and a sensor unit 14.
  • the fan intensity can be selected via the control element 221 by selecting a program stored in the control unit 10.
  • the corresponding fan power is then set via the controller 10 to the fan blower unit 11.
  • the operating conditions of the other operating conditions of the hood 1 can be adjusted in this way.
  • FIGS. 2 and 3 the construction of the aperture 20 of the hood 1 of different embodiments is shown.
  • the panel 20 is backprinted black on the rear side 202 in the upper area.
  • the layer applied by printing is designated by the reference numeral 212.
  • the back 202 of the panel 20 is printed metallic or laminated with a thin stainless steel sheet. This metallic layer is designated by reference numeral 226.
  • the rear side 202 of the panel 20 is completely black-backed. As a result, a continuous layer 2021 is formed on the rear side 202 of the diaphragm 20.
  • a stainless steel sheet 227 is laminated in the lower area.
  • the thickness of the stainless steel sheet is small and may be, for example, 2mm or less.
  • the layer thickness of a laminated sheet is chosen according to the invention as low as technically feasible.
  • the areas 21 and 22 are produced only by surface treatment, in particular by the application of thin layers on the front side 201 and / or the back 202 of the panel 20, it is not necessary to provide on the front side 201 additional operating recesses or display recesses, as in a Covering the aperture 20 by a metal sheet would be the case. Due to the small thickness of the metallic and / or the pressure layer, in particular in the operating region 22, the diaphragm material can serve as a dielectric for sensors of the actuating element 221 or of the selection elements 223, 224, 225 arranged behind the diaphragm.
  • the extractor hood has a simple structure in the area of the operating unit.
  • the front side of the viewing screen can be formed by a continuous plate which has been treated only on its surface or on its surfaces.
  • the design of the selection elements is easy to implement. These can be formed by simple proximity sensors, which are activated when approaching the finger of an operator. The actuator is then after the selection of an operating state of the setting of parameters of the corresponding operating state of the hood. It can thus be made by the actuator settings for different operating conditions.
  • the set parameters are displayed in the display area of the information output area.

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  • Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Percussion Or Vibration Massage (AREA)

Claims (10)

  1. Hotte aspirante, qui présente au moins une unité fonctionnelle (10, 11, 12, 13, 14) pour l'exécution de fonctions de la hotte aspirante (1) et au moins une unité de commande pour le réglage d'un état de fonctionnement de la hotte aspirante (1), dans laquelle l'unité de commande est disposée derrière un bandeau (20) et comprend un élément de réglage actionnable sans contact (221), lequel représente un interrupteur à coulisse sans élément déplaçable mécaniquement et relié à au moins une unité fonctionnelle (10, 11, 12, 13, 14) pour le réglage de conditions d'exploitation d'au moins deux états de fonctionnement de la hotte aspirante (1), caractérisée en ce qu'une des unités fonctionnelles représente l'unité de ventilateur (10) de la hotte aspirante, l'unité de commande présente au moins deux éléments de sélection (223, 224, 225) pour la sélection d'un état de fonctionnement, exécutés sous la forme d'éléments à effleurement ou à capteur de proximité, et l'élément de réglage de l'unité de commande est liée à au moins deux éléments de sélection pour la sélection d'au moins un état de fonctionnement de la hotte aspirante et l'unité de commande est intégralement disposée derrière le bandeau continu (20) et les états de fonctionnement comprennent la ventilation normale, la post-ventilation ou la ventilation par intervalle de la hotte aspirante.
  2. Hotte aspirante selon la revendication 1, caractérisée en ce que la hotte aspirante (1) présente un moteur à courant continu pour l'actionnement du ventilateur (11) de la hotte aspirante (1), lequel moteur peut être réglé avec précision via l'élément de réglage (221).
  3. Hotte aspirante selon l'une des revendications 1 ou 2, caractérisée en ce que la hotte aspirante (1) comprend une unité d'éclairage (12) reliée à l'élément de réglage (221) de telle sorte qu'au moins une condition d'exploitation de l'éclairage peut être réglée avec précision.
  4. Hotte aspirante selon l'une des revendications 1 à 3, caractérisée en ce que le bandeau (20) est divisé par un traitement de surface différent en une zone de commande (22) et une zone d'émission d'informations (21).
  5. Hotte aspirante selon la revendication 4, caractérisée en ce que le traitement de surface représente la mise en place d'une couche (212, 226, 2021, 227) par impression ou collage.
  6. Hotte aspirante selon la revendication 5, caractérisée en ce que la couche (226, 227) représente une couche métallique dans la zone de commande (22).
  7. Hotte aspirante selon l'une des revendications 4 à 6, caractérisée en ce que le bandeau (20) est traité en surface dans la zone de commande (22) sur le côté avant (201) ou le côté arrière (202).
  8. Hotte aspirante selon l'une des revendications 4 à 7, caractérisée en ce que l'élément de réglage (221) et le cas échéant des éléments à capteur supplémentaires sont disposés sur le côté arrière (202) du bandeau (20) dans la zone de commande (22).
  9. Hotte aspirante selon l'une des revendications 1 à 8, caractérisé en ce que le bandeau (20) est en verre.
  10. Hotte aspirante selon l'une des revendications 1 à 8, caractérisée en ce que la hotte aspirante (1) représente une cheminée et le bandeau (20) constitue l'ensemble du côté avant de l'écran de visualisation (2) de la cheminée.
EP10170060.7A 2009-08-04 2010-07-20 Hotte aspirante dotée d'une unité de commande Active EP2282126B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910028221 DE102009028221A1 (de) 2009-08-04 2009-08-04 Dunstabzugshaube mit Bedieneinheit

Publications (3)

Publication Number Publication Date
EP2282126A2 EP2282126A2 (fr) 2011-02-09
EP2282126A3 EP2282126A3 (fr) 2017-05-03
EP2282126B1 true EP2282126B1 (fr) 2019-01-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10170060.7A Active EP2282126B1 (fr) 2009-08-04 2010-07-20 Hotte aspirante dotée d'une unité de commande

Country Status (3)

Country Link
EP (1) EP2282126B1 (fr)
CN (1) CN101988715B (fr)
DE (1) DE102009028221A1 (fr)

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DE102023111083A1 (de) * 2023-04-28 2024-10-31 Berbel Ablufttechnik Gmbh Dunstabzugshaube mit Präsenzsensor

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WO2014166835A1 (fr) * 2013-04-08 2014-10-16 Elmos Semiconductor Ag Procédé de mesure par ultrasons servant en particulier d'assistance au stationnement de véhicules, et système de mesure par ultrasons
NL2016214B1 (en) 2016-02-03 2017-08-11 Intell Properties B V Cooker hood and power supply arrangement thereof.
DE102016202786B4 (de) * 2016-02-23 2017-11-02 BSH Hausgeräte GmbH Dunstabzugshaube mit Näherungsschalter und Verfahren zur Steuerung einer Dunstabzugshaube
EP3553386A1 (fr) * 2018-04-13 2019-10-16 Whirlpool Corporation Système de hotte de cuisine domestique, procédé de commande d'une hotte de cuisine domestique et dispositif en communication avec une hotte de cuisine domestique
EP3553384B1 (fr) 2018-04-13 2021-01-27 Whirlpool Corporation Système domestique électrique et procédé de commande d'un système domestique électrique
CN108561936A (zh) * 2018-07-19 2018-09-21 杭州博易环境技术有限公司 一种可拼装的油烟净化机
CN113432161B (zh) * 2020-03-23 2022-08-12 宁波方太厨具有限公司 一种吸油烟机的非接触控制装置
DE102020205972A1 (de) * 2020-05-12 2021-11-18 BSH Hausgeräte GmbH Dunstabzugshaube mit Bedienmodul
EP4092334A3 (fr) * 2021-05-21 2023-02-22 Berbel Ablufttechnik GmbH Hotte, en particulier hotte aspirante

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CN101988715A (zh) 2011-03-23
EP2282126A3 (fr) 2017-05-03
EP2282126A2 (fr) 2011-02-09
DE102009028221A1 (de) 2011-02-17
CN101988715B (zh) 2014-12-31

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