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EP3710755B1 - Dispositif d'aspiration de fumées pour une plaque de cuisson et meuble de cuisine avec dispositif d'aspiration de fumées - Google Patents

Dispositif d'aspiration de fumées pour une plaque de cuisson et meuble de cuisine avec dispositif d'aspiration de fumées Download PDF

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Publication number
EP3710755B1
EP3710755B1 EP18796688.2A EP18796688A EP3710755B1 EP 3710755 B1 EP3710755 B1 EP 3710755B1 EP 18796688 A EP18796688 A EP 18796688A EP 3710755 B1 EP3710755 B1 EP 3710755B1
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EP
European Patent Office
Prior art keywords
fan
extraction apparatus
air outlet
vapour extraction
floor
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
EP18796688.2A
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German (de)
English (en)
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EP3710755A1 (fr
Inventor
Aurélien CHARTREL
Priscilla HYDIER
Henri Klein
Florent LAGORGETTE
Guillaume LAURENT
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
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3710755A1 publication Critical patent/EP3710755A1/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
    • F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft

Definitions

  • the invention relates to an extractor device for a hob and a kitchen furniture with an extractor device.
  • extractor hood for cooktops. This extractor hood extracts the fumes and vapors that arise during cooking. In addition to extractor hoods designed as extractor hoods located above the cooktop, extractor hoods are also known that extract the fumes and vapors into the piece of furniture on or in which the cooktop is located.
  • Such an extractor fan is used, for example, in the DE 20 2016 104 769 U1 described.
  • an extraction opening is provided, which is connected via a duct to an extraction device for sucking the vapors into the duct and expelling them outside the unit through an outlet opening.
  • the extraction device has a box-shaped body in which a centrifugal fan is housed. The rotation axis of the centrifugal fan is parallel to the vertical axis of the unit. The vapors are extracted vertically from the duct and directed radially to an opening through which the vapors are expelled.
  • a disadvantage of this extractor hood is that the noise from the centrifugal fan can escape through the exhaust opening when the hood is in operation. Furthermore, the space required for the extractor hood within the furniture is considerable.
  • the DE 10 2008 033 792 A1 A recirculation module for use with such an extractor device is described.
  • the recirculation module has a housing with an air inlet and at least one air outlet opening.
  • Another extractor device is described in DE7203902U In particular, a stove unit with cooking zones and an extraction system. In these extractor hoods, the extraction opening is located in the front of a part of the extractor hood placed behind the hob and thus at a distance from the hob.
  • An external fan for a fume extraction device is described, comprising a fan housing and a fan casing housed in the fan housing.
  • the external fan has at least one sound-damping element opposite the air outlet of the fan casing.
  • the air inlet opening is provided at the rear of the fan casing.
  • the external casing is arranged on the exterior wall of a building or on the roof of a building.
  • the object of the present invention is therefore to provide a solution by means of which fumes and vapors can be reliably extracted from a hob and with which a low noise level emerges from the extractor hood.
  • the invention is based on the finding that this object can be achieved by arranging the fan at a distance from the air outlet of the extractor hood and by installing a sound-damping material downstream of the fan of the extractor hood.
  • the object is achieved by an extractor device for a hob, which has at least one extraction opening in the top side, a fan arranged offset downwards relative to the extraction opening, and a connecting duct between the extraction opening and the fan.
  • the extractor device is characterized in that a distribution chamber is provided downstream of the fan in the flow direction, which has at least one air outlet opening and is at least partially delimited by sound-damping material.
  • a cooktop extractor is a device that extracts fumes and vapors from a cooktop.
  • the extractor has an extraction opening, preferably located in or near the cooktop.
  • the extraction opening is located on the top of the cooktop. This means that air enters the cooktop from above via the cooktop extractor, and in particular the extraction opening.
  • a blower is arranged offset downwards from the extraction opening.
  • the blower is preferably offset horizontally from the extraction opening, i.e. the blower is not located in the area of the extraction opening when projected vertically onto the extraction opening.
  • the blower is preferably a radial blower.
  • the blower comprises a fan which is accommodated in a fan housing.
  • the fan housing has at least one air inlet opening, which is also referred to as the air inlet opening of the blower.
  • the fan housing is preferably a screw housing or spiral housing.
  • the axis of rotation of the fan is perpendicular to the air inlet opening of the fan housing.
  • An air outlet opening is also provided on the fan housing, through which air can escape from the fan housing in a radial direction.
  • the air outlet opening of the fan housing is also referred to as the air outlet opening of the blower.
  • a connecting duct of the extractor hood runs between the fan and the extraction opening.
  • the connecting duct can be located directly next to the extraction opening.
  • a grease filter unit to be provided at the extraction opening, which extends downwards and the connecting duct is connected to the extraction opening via the grease filter unit. Air is guided from the extraction opening to the fan via the connecting duct.
  • the connecting duct can be a one-piece duct, which can be made of plastic, for example.
  • the connecting duct can consist of duct or pipe sections that are connected to one another. These duct or pipe sections can also be made of plastic.
  • the connecting duct can have hose elements or consist of a hose.
  • the extractor hood is preferably installed in a piece of furniture, also known as kitchen furniture.
  • the extractor hood's exhaust opening is located on the top of the piece, where the hob is usually installed.
  • directions such as top, bottom, front and back refer to the extractor and its components in the assembled state, i.e., when installed in a piece of furniture, also known as kitchen furniture.
  • the extraction opening of the extractor is preferably located in the horizontal.
  • the front of the furniture and the extractor hood, and their components, is the side facing the user.
  • the back is the side opposite the front and is usually facing or adjacent to a wall.
  • the dimension in the direction between the front and back is called the depth, and the horizontal dimension perpendicular to it is called the width.
  • the vertical dimension is called the height.
  • the extractor device is characterized in that a distribution chamber is provided downstream of the fan in the flow direction, which has at least one air outlet opening and which is at least partially delimited by sound-damping material.
  • the air is directed from the fan to at least one air outlet opening of the extractor extraction device.
  • the air outlet opening of the extractor extraction device is an opening through which the air is discharged from the extractor extraction device.
  • the air outlet opening of the fan is arranged on or in the distribution space.
  • the at least one air outlet opening of the extractor extraction device is arranged perpendicular to the air outlet opening of the fan on the distribution space.
  • the distribution space can also be referred to as an air outlet duct.
  • the air exiting the air outlet opening of the fan is preferably deflected in order to reach the air outlet opening.
  • the distribution chamber is at least partially delimited by sound-damping material.
  • sound-damping material is arranged on at least a portion of at least one of the walls of the distribution chamber.
  • the sound-damping material can also be referred to as sound-insulating material.
  • the sound-damping material can be configured as a plate or mat, or as a molded body.
  • the sound-damping material is preferably made of foam.
  • the distribution space is located downstream of the fan in the flow direction, has at least one air outlet opening of the extractor device and is at least partially delimited by sound-damping material, a number of advantages can be achieved
  • the fan is positioned at a distance from the air outlet of the extractor fan, preventing noise generated by the fan from escaping directly through the air outlet.
  • the sound-damping material can also absorb at least some of the noise generated by the fan.
  • the sound-damping material can also absorb noise caused by a redirection of the air flow after the fan.
  • the distribution chamber has a floor opposite the air outlet opening of the fan.
  • the sound-damping material is preferably arranged on the floor.
  • the lower surface of the distribution chamber is referred to as the floor of the distribution chamber.
  • the floor of the distribution chamber simultaneously forms the lower surface of the extractor hood, which preferably rests on a room floor, in particular a kitchen floor.
  • the floor of the distribution chamber therefore preferably represents a flat surface.
  • the air outlet opening of the fan of the extractor hood is opposite the floor.
  • the fan is therefore arranged such that the air outlet opening of the fan points downwards. The air exiting through the air outlet opening of the fan is thus directed towards the floor.
  • the sound-damping material is arranged on the floor of the distribution chamber.
  • the sound-damping material is preferably provided on the floor in the area opposite the air outlet opening of the fan.
  • the sound-damping material covers at least the area on the floor corresponding to the vertical projection of the fan's air outlet opening onto the floor.
  • the area of the floor covered by the sound-damping material can also be larger than the area of the projection of the fan's air outlet opening.
  • the air exiting the fan's air outlet is directed toward the floor of the distribution room and is deflected by impact with the floor. This deflection can generate noise.
  • sound-damping material is provided at least in the area where the air outlet projects onto the floor.
  • the floor of the distribution space is completely covered by the sound-damping material.
  • the at least one air outlet opening of the extractor device is preferably located at the outer edge of the floor of the distribution space.
  • the distribution chamber has a cover plate opposite the floor, in which the air outlet opening of the fan is located.
  • the cover plate can be aligned parallel to the floor.
  • the air outlet opening of the fan can be located in the surface of the cover plate.
  • the air outlet opening of the fan can, for example, represent the end of an outlet nozzle that extends through the cover plate of the distribution chamber.
  • sound-damping material is arranged on the cover plate in the interior of the distribution chamber.
  • “Arranged in the interior of the distribution chamber” refers to sound-damping material that is arranged on the side of the cover plate facing the interior of the distribution chamber. By providing sound-damping material on the cover plate, noise in the distribution chamber can be absorbed even better.
  • the sound-damping material can, for example, be arranged around the air outlet opening of the fan. For example, a ring of foam material can be placed around the air outlet opening.
  • the sound-damping material it is also possible for the sound-damping material to completely cover the cover plate around the fan's air outlet opening.
  • the sound-damping material extends from the air outlet opening to the outer edges of the cover plate.
  • the air outlet opening of the extractor device is preferably located on at least one side of the distribution space.
  • the distribution chamber can have a box shape.
  • the base area of the box shape which is preferably formed by the floor of the distribution chamber, can be rectangular.
  • the air outlet opening of the fan is located in the box-shaped distribution chamber, preferably centrally in the top side of the box shape. If the top side is formed by a cover plate, the air outlet opening is located centrally in the cover plate.
  • the distribution chamber extends from the air outlet opening of the fan in at least two horizontal directions. This allows the air that exits vertically from the air outlet opening of the fan to be deflected in two horizontal directions. The horizontal directions are preferably opposite one another.
  • the distribution chamber can be formed, for example, by a duct with a rectangular cross-section.
  • the air outlet openings in the extractor hood are located at the open ends of the duct.
  • the underside of the rectangular cross-section of the duct forms the floor, and the top side of the rectangular cross-section forms the cover plate of the distribution chamber. If this duct with a rectangular cross-section is arranged so that its longitudinal extension is parallel to the rear wall of the kitchen unit in which the extractor hood is installed, the air outlet openings are located in the sides of the extractor hood.
  • the distribution space can extend from the air outlet opening of the fan in three or four horizontal directions that are perpendicular to one another.
  • the distribution space can be formed, for example, by the floor and the cover plate, which are connected to one another at three or four edges via struts or grilles.
  • the air outlet openings of the extractor device are formed by the distance between the struts or between grille elements. If the struts or grille are provided on only three of the four edges of the floor and cover plate, a side wall can be provided on the fourth edge. This side wall is preferably located at the rear edge of the floor of the distribution space. With such a configuration, the air exiting the air outlet opening of the fan can be discharged to the front and to the sides. In this embodiment, the air outlet opening of the fan can be located centrally in the cover plate in the width direction.
  • the distribution chamber can either form part of a blower housing and be designed as a single piece with it, or it can be connected to the blower housing as a separate component at the bottom, in which the blower and at least one odor filter are provided.
  • the extractor hood has a fan housing, and the distribution chamber is formed in the lower region of the fan housing. At least the fan of the extractor hood is accommodated in the fan housing.
  • the fan housing has an air inlet opening that is connected to the connecting duct, so that air that has been sucked in from the cooktop via the extraction opening of the extractor hood can enter the fan housing via the air inlet opening.
  • the fan housing can have a box shape.
  • the air inlet opening is preferably provided in the top side of the fan housing.
  • the distribution chamber is formed in the lower region of the fan housing.
  • the air outlet openings of the extractor hood can be incorporated into the outer wall of the fan housing.
  • the bottom of the fan housing forms the bottom of the distribution chamber.
  • the distribution chamber can be delimited at the top by an intermediate floor, which represents the cover plate of the distribution chamber.
  • the intermediate floor separates the fan housing area from the distribution chamber.
  • An opening is provided in the intermediate floor, which houses the fan's air outlet or through which a fan outlet nozzle protrudes, the lower end of which forms the fan's air outlet.
  • a reliable supply of air to the at least one air inlet of the fan housing and thus into the fan can be ensured.
  • the air can be directed in the fan housing to the at least one air inlet of the fan housing.
  • the distribution chamber can be a separate component that is attached to the fan housing of the extractor is attached.
  • the air flow in the distribution space also occurs via the air outlet opening of the fan.
  • the distribution space can be formed by a floor with walls, struts, or grilles projecting upwards at the edges. This floor can be connected to the underside or floor of the fan housing.
  • the floor of the fan housing forms the cover plate of the distribution space. This embodiment further simplifies the structure of the extractor fan.
  • At least one odor filter is arranged in the extractor device upstream of the fan in the direction of flow.
  • the direction of flow is the direction from the extraction opening to the fan.
  • the at least one odor filter is thus located between the extraction opening and the fan.
  • the at least one odor filter is arranged upstream of an air inlet opening of the fan.
  • An activated carbon filter for example, can be used as the odor filter. This can, for example, have the form of a mat or a shaped body.
  • the odor filter is a pleated activated carbon filter mat held in a frame. Odorous substances can be removed from the sucked-in vapors and steam via the odor filter.
  • the escape of odorous substances from the extractor extraction device can be reliably prevented.
  • the odor filter is arranged upstream of the air inlet opening of the fan and preferably close to the fan, it can also be easily accessible to the user.
  • the fan is provided below the extraction opening in the extractor extraction device. The fan is thus located in the area of the piece of furniture in which the hob and thus the extraction opening of the extractor extraction device are located in the top. By opening the piece of furniture, for example by pulling out a drawer, the fan and thus the at least one odor filter can be made accessible to the user.
  • the odor filter provided in the fan housing can be arranged near the air inlet opening of the fan and in particular of the fan housing, thereby improving the noise attenuation by the odor filter.
  • the at least one odor filter can reduce noises that The odor filter material dampens the noise generated by the fan when it draws in air. This minimizes the noise level perceived by the user through the extractor's exhaust opening.
  • the at least one odor filter is preferably arranged in the fan housing of the extractor device.
  • the odor filter can be attached to the fan and/or to a wall of the fan housing.
  • the odor filter is preferably detachably attached.
  • the odor filter can be inserted into a holder in the fan housing.
  • the odor filter preferably completely covers the air inlet opening of the fan in the direction of flow.
  • the odor filter has a size that is equal to or larger than the area of the air inlet opening of the fan.
  • the odor filter completely covers the air inlet opening in a vertical projection onto the air inlet opening.
  • the odor filter is preferably provided in the immediate vicinity of the air inlet opening.
  • the at least one odor filter can be arranged at an angle to the area of the air inlet opening of the fan.
  • An inclined arrangement of the odor filter refers to an orientation in which the angle between the fan axis and the surface of the odor filter is not equal to 90°.
  • the fan is a radial fan, and the fan axis of the fan, i.e., the fan of the fan, is horizontal.
  • the diameter of the fan is vertical and thus perpendicular to a hob that is incorporated into the top of a piece of furniture in which the extractor hood is integrated.
  • the fan axis can be horizontal, parallel or perpendicular to a wall of the piece of furniture, in particular to the rear wall of the piece of furniture in which the extractor hood is integrated.
  • the dimensions of the fan in the direction of the fan axis can be smaller than the dimensions of the fan in the radial direction or in the direction of the diameter.
  • the fan can be arranged in the extractor device
  • the fan axis should be perpendicular to the rear wall of the piece of furniture, horizontally.
  • the fan's air inlet opening is parallel to the rear wall of the piece of furniture.
  • an odor filter is preferably provided in front of the fan, i.e., on the side of the fan facing away from the rear wall. This allows the user of the extractor to reach the odor filter from the front.
  • the fan axis of the blower is parallel to the rear wall of the piece of furniture.
  • the at least one air inlet opening of the blower is perpendicular to the rear wall of the piece of furniture.
  • the at least one odor filter is thus located next to the blower and is also accessible to the user of the extractor hood from the front.
  • the installation space required in the depth direction of the piece of furniture is small, since, if an odor filter is provided upstream of the blower in the direction of flow, this odor filter is located next to the blower and thus does not increase the dimensions of the extractor hood in the depth direction in the area of the blower.
  • the fan is a double-flow fan.
  • a fan is referred to as a double-flow fan if it has two air inlet openings. These air inlet openings are perpendicular to the fan axis and are provided on opposite sides of the fan housing.
  • the double-flow fan preferably has only one fan.
  • the double-flow fan is preferably arranged so that the fan axis is horizontal and parallel to the rear wall of the piece of furniture. The air inlet openings of the fan are therefore perpendicular to the rear wall of the piece of furniture.
  • the odor filter(s) which are arranged in front of the respective air inlet opening in the direction of flow, are thus located laterally next to the fan and are accessible to the user of the extractor hood from the front.
  • a smaller diameter fan can be used while maintaining the same performance. This further maximizes the storage space in the furniture in which the extractor is integrated.
  • a dual-flow fan allows for reliable extraction of fumes and vapors even at lower fan power. This further reduces the noise generated when air is drawn into the fan.
  • At least one wall of the fan housing is detachably attached.
  • the front wall of the fan housing is detachably connected to the other side walls of the fan housing.
  • the front wall is the wall that is closest to the user of the extractor hood when installed. In an extractor hood integrated into a piece of furniture, the front wall of the fan housing thus faces away from the rear wall of the piece of furniture.
  • the present invention relates to a piece of kitchen furniture with at least one cooking hob.
  • the kitchen furniture is characterized in that at least one extractor device according to the invention is integrated into the kitchen furniture.
  • kitchen furniture refers to a kitchen cabinet, specifically a kitchen base unit.
  • the kitchen cabinet can be integrated into a kitchen unit or represent a cooking block.
  • the kitchen furniture is also referred to below as a piece of furniture.
  • a hob is provided in the kitchen furniture.
  • the hob is preferably inserted into a worktop of the kitchen furniture or placed on top of it.
  • the hob can, for example, be an induction hob.
  • At least one extractor hood device configured according to the present invention is integrated into the kitchen furniture.
  • “Integration” refers to the installation of the extractor hood device in the kitchen furniture.
  • the extractor hood device can protrude beyond the boundary walls of the kitchen furniture, in particular the floor, at least in some areas.
  • the extractor device has an extraction opening.
  • the extraction opening can be located within the hob, for example, centrally located within the hob.
  • the extraction opening can extend across the depth of the hob.
  • the extraction opening can have a rectangular or round shape. According to the present invention, however, it is also possible for the extraction opening to be arranged adjacent to the hob.
  • an extraction opening of the extractor device can be provided on each side edge of the hob. Providing an extraction opening on the front or rear edge of the hob is also possible.
  • the hob is arranged in the upper side of the kitchen unit and the extraction opening of the extractor device is located in the area of the hob.
  • the fan is located in the rear area of the kitchen unit.
  • the fan is therefore preferably offset rearward relative to the extraction opening of the extractor hood.
  • the fan is particularly preferably located near the rear wall of the kitchen unit.
  • a connecting duct is provided between the extraction opening and the fan. With a fan offset rearward relative to the extraction opening, the connecting duct therefore has a course in which deflections are present.
  • the connecting duct preferably extends downwards from the extraction opening and then merges into a region running rearward parallel to the extraction opening. Adjacent to the parallel region is a further deflection, via which the connecting duct merges into a region running vertically downwards.
  • the vertically downwards region is parallel to the rear wall of the kitchen unit.
  • the lower end of the vertically running region of the connecting duct is preferably connected to a fan housing.
  • the distribution chamber of the extractor device projects downwards above the floor of the kitchen furniture.
  • the side walls of this distribution chamber have openings that serve as air outlets on the extractor device.
  • the air outlet openings can be incorporated in the side walls of the distribution chamber and/or in the front of the distribution chamber. If the piece of furniture is not arranged against a mounting wall, the air outlet openings can also be provided in the rear of the distribution chamber.
  • the floor of the distribution chamber can stand on the room floor, i.e., the kitchen floor. Because the distribution chamber, which is provided by the extractor device, projects downwards above the floor of the kitchen furniture, the air discharged from the extractor device via the air outlet openings can exit below the kitchen furniture.
  • Kitchen furniture usually has feet, by means of which the floor of the kitchen furniture is created at a distance from the floor of the room in which the kitchen furniture is located, i.e., a kitchen floor.
  • the distribution room is preferably located at this distance.
  • the fan housing preferably extends through the floor of the kitchen unit, so that the distribution chamber is located below the floor of the kitchen unit. If the distribution chamber is a separate component connected to a fan housing, the fan housing can be completely incorporated into the kitchen unit.
  • the fan is preferably arranged according to the invention inside the kitchen furniture, i.e. above the floor of the kitchen furniture.
  • the noise generated by the fan is dampened by the walls of the kitchen furniture. This reduces the overall noise level generated by the fan and perceptible to the user.
  • the odor filter or odor filters prevent noise from escaping via the extraction opening of the extractor fan, and other noises from the fan, such as vibration noise, are dampened by the walls of the kitchen furniture.
  • the air outlet opening of the extractor fan is at a distance from the air outlet opening of the fan. This prevents fan noise from escaping directly through the air outlet. Since, according to the invention, sound-damping material is also provided in the distribution space extending between the fan's air outlet and the extractor's air outlet, the noise generated by the fan can be absorbed.
  • FIG. 1 A schematic perspective view of an embodiment of the extractor device 3 according to the invention is shown.
  • the extractor device 3 has an extraction opening 30, a connecting duct 34, a fan (not visible) accommodated in a fan housing 31, and a distribution space 312.
  • a grease filter unit 35 extends downwards from the extraction opening 30.
  • a connecting duct 34 is connected to the grease filter unit 35.
  • the extractor device 3 can also be formed without a separate grease filter unit; in this case, the grease filter unit can be integrated into the connecting duct 34.
  • the connecting duct 34 initially has a horizontally extending section.
  • connecting channel 34 transitions into a vertically downwardly extending section.
  • the lower end of the connecting channel 34 rests on the top side of a fan housing 31.
  • the air inlet opening 314 of the fan housing 31 is accommodated inside the lower end of the connecting channel 34.
  • the blower housing 31 has a box shape in the illustrated embodiment.
  • a shoulder is provided in the front of the blower housing 31. This shoulder increases the depth of the blower housing 31 from the top, where the air inlet opening 314 is provided, downwards.
  • An air guide element 311 is provided at the top in the blower housing 31.
  • the air guide element 311 has a roof shape and is arranged centrally below the air inlet opening 314. The air flow that enters the blower housing 31 via the air inlet opening 314 is thus split via the air guide element 311.
  • the blower in Figure 3 not visible
  • two odor filters 33 In the part of the blower housing 31 that has a greater depth, the blower (in Figure 3 not visible) and two odor filters 33.
  • the distribution chamber 312 is arranged below the fan 33. In the illustrated embodiment, this represents a separate component.
  • the distribution chamber 312 is formed by a frame having a base 317 and struts projecting upwards at the corners.
  • the air outlet opening 313 of the fan housing 31 and thus of the extractor hood 3 extends across the entire depth of the fan housing 31, as well as across the front and rear of the distribution chamber 312.
  • a panel 36 is shown in the front central area of the distribution chamber 312, which prevents air from escaping via the central front area of the distribution chamber 312. This protects the user from drafts.
  • Upper and lower sound-damping materials 315, 316 are arranged in the distribution space 312.
  • the lower sound-damping material 316 covers the bottom 317 of the distribution space 312, and the upper sound-damping material 315 is at the top of the distribution space. 312.
  • the top of the distribution chamber is also referred to as the cover plate and, in the illustrated embodiment, is formed by the bottom of the blower housing 31.
  • the sound-damping material 315, 316 is formed by mats or plates, which are preferably made of foam material.
  • FIG 2 is a schematic representation of the fan housing 31 of an embodiment of the extractor device 3 according to the invention.
  • Figure 2 only the lower part of the blower housing is shown and the components in the blower housing 31 are shown in a schematic front view.
  • a blower 32 is accommodated in the blower housing 31.
  • the blower 32 is a double-flow blower.
  • Two air inlet openings 321 are therefore provided in the fan housing 320 of the blower 32.
  • the air inlet openings 321 are perpendicular to the fan axis 322 of the blower 32.
  • the fan axis 322 lies horizontally. Adjacent to the air inlet openings 321, outside the fan housing 320, in front of each air inlet opening 321, is an odor filter 33.
  • the odor filters 33 each have a box shape.
  • the odor filters 33 are arranged at an angle to the respective air inlet opening 321.
  • the upper edge of the odor filter 33 rests above the air inlet opening 321 on the fan housing 320 of the blower 32.
  • the distribution chamber 312 is integrated into the fan housing 31.
  • an intermediate floor 318 of the fan housing 31, which closes off the area in which the fan 32 is accommodated in the fan housing 31, forms the top or cover plate of the distribution chamber 312.
  • the floor 317 of the fan housing 31 forms the floor of the distribution chamber 312 in this embodiment.
  • the air outlet openings 313 in the distribution chamber 312 are formed by openings in the wall of the fan housing 31.
  • the fan housing 320 has an outlet nozzle through which the air outlet opening 323 of the fan housing 320 is formed.
  • the outlet nozzle of the fan housing 320 protrudes through the intermediate floor 318 of the blower housing 31.
  • Below the intermediate floor 318 of the blower housing 31 is the Distribution chamber 312.
  • the distribution chamber 312 is fluidically connected to the interior of the fan housing 320 via the air outlet opening 323 of the fan housing 320.
  • the floor 317 of the distribution chamber 312 is covered by sound-damping material 316.
  • Sound-damping material 315 is also provided on the top of the distribution chamber 312. The sound-damping material 315 extends over the entire surface of the top of the distribution chamber 312 inside the distribution chamber 312 and is penetrated by the outlet nozzle of the fan housing 320.
  • the arrows S indicate in the Figure 2 the air flow that results in the fan housing 31.
  • air is sucked in by the fan 32.
  • the air first passes through the two odor filters 33 before entering the air inlet openings 321 of the fan housing 320.
  • the air is conveyed to the outlet nozzle via the fan wheel (not shown) and leaves the fan housing 320 via the air outlet opening 323.
  • the air thus emitted is deflected in the distribution chamber 312 and directed horizontally to the air outlet openings 313 of the fan housing 31 and thus to the air outlet openings 313 of the extractor device 3.
  • FIG 3 is a schematic sectional view of an embodiment of the kitchen furniture 1 according to the invention with an extractor device 3 according to the invention.
  • the vertically running section of the connecting duct 34 lies in the rear area of the kitchen furniture 1.
  • the depth of the connecting duct is small.
  • the fan housing 31 is arranged below the connecting duct 34. In the embodiment shown, this extends through the floor 13 of the kitchen furniture 1 to the floor B of the kitchen.
  • the kitchen furniture 1 has a worktop 10 in which a hob 20 is accommodated.
  • Drawers are provided in the front of the kitchen furniture 1.
  • the drawers comprise drawers 11, 12 which extend into the interior of the kitchen furniture 1 and are slidably mounted.
  • the depth of the upper drawer 11 is greater than the depth of the lower drawer 12.
  • the upper drawer 11 is at the height at which the vertical section of the connecting duct 34 runs in the rear area of the kitchen furniture 1.
  • the lower drawer 12 is located at the height at which the fan housing 31 of the extractor fan 3 runs inside the kitchen unit 1.
  • the floor 13 of the kitchen unit is offset upwards relative to the floor B of the kitchen and is held by a foot 14.
  • Figure 3 only one foot 14 is visible.
  • at least two feet, preferably four feet 14, are provided on the base 13 of the kitchen furniture 1.
  • the distribution chamber 312 is shown as an integral component of the fan housing 31. However, the distribution chamber 312 can also be provided as a separate component in this embodiment.
  • the distribution chamber 312 is arranged in the area in which the fan housing 31 extends downwards over the floor 13 of the kitchen furniture 1. Thus, air can be blown out from below the floor 13 of the kitchen furniture 1 via the air outlet openings (not shown).
  • FIG 4 An embodiment of an extractor device 3 is shown in the area of the fan housing 31 as a schematic perspective view.
  • This embodiment shows the fan housing 31 as it is in the embodiment of the extractor device 3 in Figure 1 is shown.
  • an inlet nozzle is provided on the top side of the blower housing 31, the upper end of which serves as the air inlet opening 314 of the blower housing 31.
  • an electronics 324 of the blower 32 is indicated.
  • the electronics 324 is arranged above the blower housing 320.
  • the odor filter 33 is a pleated odor filter.
  • the frame of the left odor filter 33 which is visible on the right odor filter 33, is not shown.
  • Figure 4 that the walls of the distribution chamber 312 are formed by a grid.
  • the air outlet openings 313 are thus in the embodiment according to Figure 4 formed by the spaces between the bars of the grid.
  • FIG 5 is a schematic perspective sectional view of the embodiment of the extractor device 3 in the area of the fan housing 31 according to Figure 4 shown.
  • the air guide element 311 is arranged centrally below the air inlet opening 314.
  • the roof-shaped air guide element 311 covers the electronics 324 at the top.
  • Below the electronics 324 is the fan 32.
  • the air outlet opening 323 of the fan housing 320 is formed by an outlet nozzle.
  • the outlet nozzle projects into the distribution chamber 312.
  • the outlet nozzle projects through the upper sound-damping material 315.
  • the bottom 317 of the distribution chamber 312 is covered by the lower sound-damping material 316.
  • the odor filters 33 are connected to the air inlet openings (in Figure 5 not visible) arranged at an angle.
  • the present invention preferably uses a double-flow fan installed in a fan housing.
  • a sound absorption mat is integrated at the fan outlet. This mat is positioned perpendicular to the air flow from the fan.
  • Two odor filters, particularly activated carbon filters, can be installed in front of the fan's air inlet.
  • the depth of the kitchen furniture can be 600 mm, for example.
  • the extraction opening can be located, for example, in a recess in a hob and have a depth of 520 mm.
  • the distance between the rear wall of the kitchen furniture and the extraction opening can be 50 mm, for example.
  • the height between the extraction opening and the lower end of a horizontally running section of the connecting duct can be 170 mm, for example.
  • the depth of the vertically running section of the connecting duct can be 100 mm, for example.
  • the depth of the fan housing can be 230 mm, for example.
  • an upper drawer can have a depth of 450 mm, for example, and a lower drawer can have a depth of 340 mm. If the depth of the kitchen unit, in particular the depth of the worktop, is 700 mm or more than 900 mm, the upper drawer can be either 550 or 600 mm deep. The lower drawer in this configuration can be 440 or 600 mm deep, for example.
  • the present invention offers an integrated solution.
  • a very low noise level can be achieved with the present invention.
  • this is achieved through sound-damping material provided in the distribution space.
  • the sound-damping material can also be referred to as absorption material and can, for example, be a mat.
  • the extractor hood according to the invention can use a fan which, on the one hand, produces little noise and, on the other hand, can be easily provided with sound insulation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Ventilation (AREA)

Claims (17)

  1. Dispositif d'aspiration de vapeur pour un champ de cuisson, qui présente dans la face supérieure au moins un orifice d'aspiration (30), un ventilateur (32) disposé de façon décalée vers le bas par rapport à l'orifice d'aspiration (30) et un conduit de liaison (34) entre l'orifice d'aspiration (30) et le ventilateur (32), dans lequel une chambre de répartition (312), qui présente au moins un orifice de sortie d'air (313), est prévue en aval du ventilateur (32) dans le sens d'écoulement, caractérisé en ce que la chambre de répartition (312) est au moins partiellement délimitée par du matériau d'insonorisation (315, 316), dans lequel au moins un filtre à odeurs (33) est disposé en amont du ventilateur (32) dans le sens d'écoulement.
  2. Dispositif d'aspiration de vapeur selon la revendication 1, caractérisé en ce que la chambre de répartition (312) présente un fond (317) qui fait face à l'orifice d'évacuation d'air (323) du ventilateur (32), et le matériau d'insonorisation (316) est disposé sur le fond (317).
  3. Dispositif d'aspiration de vapeur selon la revendication 2, caractérisé en ce que le matériau d'insonorisation (316) couvre intégralement le fond (317) de la chambre de répartition (312).
  4. Dispositif d'aspiration de vapeur selon l'une des revendications 1 à 3, caractérisé en ce que la chambre de répartition (312) présente une plaque de recouvrement qui fait face au fond (317) et dans laquelle l'orifice d'évacuation d'air (323) du ventilateur (32) se trouve, et le matériau d'insonorisation (315) est disposé sur la plaque de recouvrement, dans l'espace intérieur de la chambre de répartition (312).
  5. Dispositif d'aspiration de vapeur selon la revendication 4, caractérisé en ce que le matériau d'insonorisation (315) couvre intégralement la plaque de recouvrement autour de l'orifice d'évacuation d'air (323) du ventilateur (32).
  6. Dispositif d'aspiration de vapeur selon l'une des revendications 1 à 5, caractérisé en ce que la chambre de répartition (312) s'étend de l'orifice d'évacuation d'air (323) du ventilateur (32) dans au moins deux directions horizontales.
  7. Dispositif d'aspiration de vapeur selon l'une des revendications 1 à 6, caractérisé en ce que le matériau d'insonorisation (315, 316) se compose de mousse.
  8. Dispositif d'aspiration de vapeur selon l'une des revendications 1 à 7, caractérisé en ce que le dispositif d'extraction de vapeur (3) présente un carter de ventilateur (31) et la chambre de répartition (312) est formée dans la zone inférieure du carter de ventilateur (31).
  9. Dispositif d'aspiration de vapeur selon la revendication 8, caractérisé en ce que la chambre de répartition (312) est séparée, par un fond intermédiaire (318) du carter de ventilateur (31), de la zone supérieure du carter de ventilateur (31), dans laquelle est logé au moins le ventilateur (32) du dispositif d'aspiration de vapeur (3) et le fond intermédiaire (318) forme la plaque de recouvrement de la chambre de répartition (312).
  10. Dispositif d'aspiration de vapeur selon l'une des revendications 1 à 9, caractérisé en ce que le dispositif d'aspiration de vapeur (3) présente un carter de ventilateur (31), la chambre de répartition (312) constitue un composant séparé, qui est fixé au carter de ventilateur (31) du dispositif d'aspiration de vapeur (3) et l'écoulement d'air dans la chambre de répartition (312) s'effectue via l'orifice d'évacuation d'air (323) du ventilateur.
  11. Dispositif d'aspiration de vapeur selon l'une des revendications 1 à 10, caractérisé en ce que l'au moins un filtre à odeurs (33) couvre intégralement l'orifice d'entrée d'air (321) du ventilateur (32) dans le sens d'écoulement.
  12. Dispositif d'aspiration de vapeur selon l'une des revendications 1 à 11, caractérisé en ce que le ventilateur (32) constitue un ventilateur radial et l'axe de ventilateur (322) du ventilateur (32) se trouve à l'horizontale dans le dispositif d'aspiration de vapeur (3).
  13. Dispositif d'aspiration de vapeur selon l'une des revendications 1 à 12, caractérisé en ce que l'au moins un orifice de sortie d'air (313) est disposé perpendiculairement à l'orifice d'évacuation d'air (323) du ventilateur dans la chambre de répartition (312).
  14. Meuble de cuisine avec au moins un champ de cuisson, caractérisé en ce qu'au moins un dispositif d'aspiration de vapeur (3) selon l'une des revendications 1 à 13 est intégré au meuble de cuisine (1).
  15. Meuble de cuisine selon la revendication 14, caractérisé en ce que le champ de cuisson (2) est disposé dans la face supérieure du meuble de cuisine (1), l'orifice d'aspiration (30) du dispositif d'aspiration de vapeur (3) se trouve dans la zone du champ de cuisson (2) et le ventilateur (32) se trouve dans la zone arrière du meuble de cuisine (1).
  16. Meuble de cuisine selon l'une des revendications 14 ou 15, caractérisé en ce qu'au moins la chambre de répartition (312) du dispositif d'aspiration de vapeur (3) fait saillie vers le bas par-dessus le fond du meuble de cuisine.
  17. Meuble de cuisine selon l'une des revendications 14 à 16, caractérisé en ce que le ventilateur (32) du dispositif d'aspiration de vapeur (3) se trouve au-dessus du fond (13) du meuble de cuisine (1).
EP18796688.2A 2017-11-17 2018-11-09 Dispositif d'aspiration de fumées pour une plaque de cuisson et meuble de cuisine avec dispositif d'aspiration de fumées Active EP3710755B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17290152 2017-11-17
PCT/EP2018/080798 WO2019096699A1 (fr) 2017-11-17 2018-11-09 Dispositif d'une hotte aspirante destiné à une table de cuisson et meuble de cuisine équipé d'un dispositif de hotte aspirante

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EP3710755B1 true EP3710755B1 (fr) 2025-04-09

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ES3021057T3 (en) * 2019-08-07 2025-05-26 Anh Innovation Inc Mobile recirculation grill with plenum and diffuser
CN112240582B (zh) * 2020-09-15 2021-11-26 宁波方太厨具有限公司 风机、吸油烟机及风机的降噪方法

Citations (1)

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Publication number Priority date Publication date Assignee Title
US3503465A (en) * 1966-08-05 1970-03-31 Chiyoda Chem Eng Construct Co Silencer for suction or discharge of fluids under pressure

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Publication number Priority date Publication date Assignee Title
DE7203902U (de) * 1973-09-20 Zenkner K Herdeinheit
DE102008033792B4 (de) * 2008-07-18 2021-04-29 BSH Hausgeräte GmbH Umluftmodul und Dunstabzugsvorrichtung
DE102009027170A1 (de) * 2009-06-24 2010-12-30 BSH Bosch und Siemens Hausgeräte GmbH Externes Gebläse für Dunstabzugsvorrichtung
DE202016104769U1 (de) 2015-09-03 2016-09-15 Faber S.P.A. Vorrichtung mit einstellbarer Länge zum Absaugen von Dämpfen von einem Kochfeld und das in einem Möbelstück integriert ist, das dieses Kochfeld trägt

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
US3503465A (en) * 1966-08-05 1970-03-31 Chiyoda Chem Eng Construct Co Silencer for suction or discharge of fluids under pressure

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WO2019096699A1 (fr) 2019-05-23

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