EP3990833A1 - Vorrichtung zur absaugung von wrasen sowie verfahren zur absaugung von wrasen mittels der vorrichtung und verwendung der vorrichtung zur absaugung von wrasen - Google Patents
Vorrichtung zur absaugung von wrasen sowie verfahren zur absaugung von wrasen mittels der vorrichtung und verwendung der vorrichtung zur absaugung von wrasenInfo
- Publication number
- EP3990833A1 EP3990833A1 EP20734100.9A EP20734100A EP3990833A1 EP 3990833 A1 EP3990833 A1 EP 3990833A1 EP 20734100 A EP20734100 A EP 20734100A EP 3990833 A1 EP3990833 A1 EP 3990833A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air inlet
- housing
- opening
- inlet means
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
Definitions
- the invention relates to a device for sucking off vapors comprising a Ansaugge housing and a blower and a method for sucking off fumes over a hob by means of the device and a use of the device for sucking off fumes above a hob.
- DE 10 2017 1S1 168 A1 describes an extractor hood with a suction fan held in a frame, a suction opening, an air duct between the suction opening and the suction fan, and a guide surface arranged at an angle to the horizontal over a hob, in which the suction opening is formed.
- the disadvantage of the extractor hoods known from the prior art is that they are permanently installed in one place, in particular directly above the hob, in order to collect the rising vapors.
- vapors cannot be removed.
- permanently installed suction devices for vapors do not offer the possibility of mobility or cannot be used flexibly at different cooking facilities.
- the object of the present invention is to provide a device for sucking off vapors that avoids the disadvantages known from the prior art.
- the object of the invention is to provide a mobile device for extracting fumes.
- a device for sucking off Wra sen comprising an intake housing and a fan, in particular arranged in a fan housing, the intake housing comprising an air inlet means, the air inlet means having an upper wall and a lower wall which has an interior with an inlet opening, at least the upper wall having a wave shape on an inner side with at least two upwardly curved surface sections, the interior having widenings at least in the area of the upwardly curved surface sections.
- a device for sucking off fumes comprising an intake housing and a fan, in particular arranged in a fan housing, the intake housing comprising an air inlet means, the air inlet means having an upper wall and a lower wall, which form an inlet opening, the inlet opening being assigned a projection.
- an intake housing comprising an air inlet means, the air inlet means having an upper wall and a lower wall which form an interior space with an inlet opening, at least the upper wall having a wave shape with at least two upwardly curved surfaces on an inside Has surface sections, wherein at least in the area of the upwardly arched surface sections the interior has widenings.
- an intake housing which comprises an air inlet means, the air inlet means having an upper wall and a lower wall which form an inlet opening, the inlet opening being assigned a projection.
- the object is achieved according to the invention by means of a method for sucking off vapors over a hob by means of the device, wherein
- an air flow is generated by means of a fan in an intake housing with an air inlet means
- the air flow is at least partially applied to at least the upper wall, the air flow is passed at least via an outflow opening of the air inlet means, for example formed in a lower wall, into a fan, which is arranged in particular in a fan housing.
- the object is achieved according to the invention by means of a method for sucking off fumes over a hob by means of the device, wherein
- an air flow is generated by means of a fan in an intake housing with an air inlet means
- the air flow in front of an air inlet means is calmed and / or directed by means of a protrusion that extends in particular over an inlet opening of the intake housing,
- the air flow is drawn through the inlet opening into the intake housing and the air flow is passed at least via an outflow opening of the air inlet means, for example formed in a lower wall, into a fan, which is arranged in particular in a fan housing.
- the object is achieved according to the invention by means of a use of the device for sucking off vapors over a hob.
- the device has at least one upper wall with a wave shape and has no protrusion. In one embodiment it is provided that the device does not have an upper wall with a wave shape, but has a projection. In one embodiment it is provided that the device has at least one upper wall with a wave shape and a protrusion.
- the air flow is at least partially applied to at least the upper wall, but not by means of an in particular above an inlet opening of the intake housing he- stretching projection, the air flow is calmed and / or directed in front of an air inlet means.
- the air flow is not at least partially applied to at least the upper wall by means of an upper wall of the air inlet means, which has a wave shape at least on an inner side, but by means of a protrusion extending in particular over an inlet opening of the intake housing the air flow is calmed and / or directed in front of an air inlet means.
- the air flow is at least partially applied to at least the upper wall and additionally by means of a housing, in particular above an inlet opening of the intake extending projection the air flow is calmed and / or directed in front of an air inlet means.
- the proposed device is particularly mobile, that is to say designed to be movable and freely positionable. Another advantage is that the device does not necessarily have to be arranged above a hob, but can be arranged next to a hob and still sufficient vapors are drawn into the device and in particular are filtered or dried there.
- the device according to the invention can be used especially in places that usually have little or no technical kitchen equipment, such as cookshops or food trucks, or in private or commercial kitchens that do not allow the installation of extractor hoods due to technical, financial and / or building technology equipment can be used flexibly. In particular, it is possible to use the device on various cooking facilities, such as, for example, on a gas burner, on a grill, on an electric hob and / or on other cooking facilities.
- the intake housing and the fan housing can be moved together and / or separately from one another.
- the weight is designed such that the fan housing and / or the intake housing are easily portable, in particular a weight of less than about 25 kg, more preferably less than about 10 kg, more preferably between about 3 kg and about 10 kg, more preferred less than about 3 kg, more preferably un- ter about 1 kg for the device or for parts of the device.
- the intake housing weighs less than about 1 kg.
- the device can be placed on a movable and / or rollable underframe, for example a tea trolley, a serving trolley and / or a vehicle designed for the device.
- a movable and / or rollable underframe for example a tea trolley, a serving trolley and / or a vehicle designed for the device.
- the device can be used both indoors and outdoors.
- the device in particular has a top and a bottom and two sides, a front and a rear.
- the fan housing is assigned to the bottom and the housing Ansaugge the top.
- the fan housing is assigned to the upper side and the suction housing to the lower side.
- the intake housing is arranged above the fan housing. A reverse configuration can, however, be provided in each case.
- the intake housing has an operating element by means of which the device can be operated.
- the operating element preferably has at least one touch sensor and / or at least one button and / or at least one switch.
- an air flow into the device can be controlled by means of the operating element.
- at least one intensity of a fan arranged in the fan housing can be regulated or controlled by means of the operating element.
- the intake housing further preferably has a cover.
- the cover is preferably at least the top, more preferably the sides, more preferably the rear of the Assigned intake housing. In one embodiment it is provided that the cover forms the projection.
- the projection is assigned in particular to the front of the intake housing, which in particular has the inlet opening. In one embodiment it is provided that the projection is assigned to the inlet opening.
- the advantage of the projection is that the inflowing air is calmed before it flows in through the inlet opening into the intake housing.
- Another advantage of the projection is that the sucked in air flow is directed. In particular, a direction of the air flow can be generated essentially from below and from the front through the projection. It is furthermore advantageously provided that an air flow from above into the inlet opening is essentially prevented by the projection. Thus, there is an air flow into the A flow opening, which is either straight into the device or into the suction housing or from below into the suction housing.
- the term "essentially” indicates a tolerance range that is to be represented by those skilled in the field of suction devices for cooking vapors from an economic and technical point of view, so that the corresponding feature can still be recognized or implemented as such “Essentially from below and from the front” is to be understood as meaning that the air flow is directed towards the front of the intake housing.
- the front of the intake housing is defined in particular by the inlet opening.
- An air flow directed in this way passes the inlet opening with a horizontal vector or a vector
- the air flow directed in this way can also have a vector component that comes from above, only this is smaller than a horizontal and / or vector component that comes from below.
- At least one cover is assigned to an upper side of the device and at least partially envelops the air inlet means, the at least one cover having the protrusion.
- the air inlet means has a projection which is assigned in particular to the upper side of the intake housing. In particular, this means that the projection is arranged at least above the air inlet means or the air inlet opening.
- the projection on the top and / or at least on the side of the device extends away from the air inlet means or the air inlet opening.
- the projection extends both on the upper side and on the sides of the intake housing.
- the air flow can thus advantageously be directed.
- the protrusion arranged on the sides of the intake housing or the inlet opening has the advantage that a very precise orientation can be directed towards a vaporizing container, for example a saucepan, grill, wok or other cooking vessel. In particular, this optimizes the efficiency of vapor extraction.
- the inlet opening can be directed exactly at the cooking vessel that generates the vapors on the cooking facility.
- an expression of the protrusion decreases from the upper side in the direction of the lower side via the air inlet means.
- an angled configuration is provided in which more preferably an extension of the projection on the top protrudes further away from the inlet opening than on the underside. The extension away from the inlet opening is therefore smaller at the bottom than at the top, with an inflow direction of the air flow into the device advantageously being reduced or directed from obliquely below.
- it is advantageous to at least partially influence the inflow direction since the device has a certain height, the inlet opening possibly being above a cooking vessel. Cooking vapors can thus be drawn directly from the cooking vessel into the device by this directed air flow.
- the projection on the sides has an angle starting from a vertical of approximately 60 ° to approximately 85 °, preferably approximately 80 °. In one embodiment it is provided that no protrusion is provided below the inlet opening.
- the lower wall has the outflow opening.
- the outflow opening is arranged in such a way that the air flow is approximately 70 ° to approximately 120 °, preferably about 80 ° to about 100 °, more preferably about 90 °, deflected to the inflow direction from which the air inlet means flows out.
- the outflow opening is arranged in such a way that by means of it the air flow cannot be deflected or only about 0 ° to about 90 ° to the direction of flow.
- the outflow opening is arranged in a rear wall.
- the device has an adapter plate.
- the intake housing has the adapter plate.
- the adapter plate can be connected to a pipe socket which is in particular aligned with the outflow opening of the lower wall.
- the adapter plate has the tube attachment. It is particularly preferably provided that the adapter plate can be arranged on the lower wall or is designed in a uniform manner with this in particular material unit.
- the adapter plate is comprised of a housing encompassing the intake housing.
- the suction housing is adjustable in height.
- a distance between the intake housing and the fan housing can be adjusted.
- the pipe socket can be inserted into the fan housing at a variable distance, so that the intake housing can be positioned at different heights relative to the fan housing.
- the pipe extension is designed in the shape of a telescope, so that the intake housing can be positioned at different heights relative to the blower housing.
- the device has an inlet aperture upstream of the inflow opening in the inflow direction.
- the inlet aperture determines the width of the inflow opening, especially if it is arranged directly in front of the inflow opening.
- the inlet panel is preferably designed vertically, so that the surface of an opening in the inlet panel has a surface normal perpendicular to a vertical axis.
- the inlet aperture is arranged in front of the inlet opening at an angle to a vertical axis or the inlet opening, in particular adapted to an angle of the lateral projection.
- the inlet panel can In one embodiment, geometrically change the inlet opening, in particular reduce it, if this appears sensible.
- the device has the air inlet means.
- the inlet opening is formed by the upper wall and the lower wall.
- the upper wall has an upper inflow edge and the lower wall has a lower inflow edge, which are preferably each assigned to the inlet opening.
- the upper inflow edge and / or the lower inflow edge preferably have a radius. In particular, the radius is approximately 5 mm to approximately 15 mm, preferably approximately 10 mm. It is preferably provided that the upper inflow edge and the lower inflow edge adjoin one another and thus define an inlet opening or an opening mouth. It is further preferably provided that the upper inflow edge extends at least partially downwards and / or the lower inflow edge extends at least partially upwards.
- the inflow edge extending downwards and / or upwards also has the radius.
- the inlet opening is essentially rectangular or essentially oval.
- a particularly circumferential line on the inflow edge which has a tangent that is parallel to the vertical axis, defines the inlet opening.
- the upper inflow edge is more preferably designed as a downwardly curved surface section. More preferably, the lower inflow edge is designed as an upwardly curved surface section. It is further preferred that the upper inflow edge and / or the lower inflow edge are arranged in such a way that a widening is formed in the region of the inlet opening.
- the inflow edges extend at least partially into the interior of the air inlet means. More preferably, the inflow edges form part of the waveform.
- the intake housing has an air inlet means receptacle.
- the air inlet means can be inserted into the air inlet means receptacle and furthermore preferably releasably locked in this again by means of a latching element.
- the air inlet means receptacle and / or the intake housing has Openings by means of which the air inlet means can be removed or disengaged from the air inlet means receptacle, for example for cleaning.
- the openings are covered with flexible membranes, which advantageously simplify cleaning of the intake housing.
- the air inlet means also has a latching means, which is preferably designed as a latching receptacle.
- a latching means which is preferably designed as a latching receptacle.
- the Lufteinlassmit tel has an upper shell.
- the upper shell has the locking means, in particular the locking receptacle.
- the air inlet means has at least the upper wall which, in one embodiment, is at least partially encompassed or surrounded by the upper shell.
- the latching element and the latching means preferably form a snap connection.
- the air inlet means is preferably releasably or non-releasably connectable to the air inlet means receptacle in a form-fitting manner by means of the snap connection.
- the locking element has at least one locking lug which engages in the locking receptacle of the locking means.
- the locking element is also preferably deformed during joining and snaps into the locking receptacle. More preferably, the locking element can be deformed for removing the locking element and locking means.
- the air inlet means has the latching element and the air inlet means receptacle has the latching means.
- the wave shape of the upper wall has at least two upwardly curved surface sections, which can in particular be described as concave. More preferably, the wave shape has at least two downwardly curved surface sections, which can in particular be described as convex, with at least one convex surface section being further preferred between the upwardly curved surfaces.
- the waveform can be sinusoidally shaped in a section.
- the wave shape can be designed in any way, in particular continuously adjoining bulges upwards and downwards.
- the widenings of the interior are arranged upward in the region of the curvatures of the upper wall and are further preferably formed by them. This has the advantage that the air flow within the air inlet means is applied at least to the upper wall, more preferably also to the lower wall.
- At least one concave surface section has a radius between approximately 25 mm and approximately 150 mm, preferably approximately 50 mm to approximately 100 mm, more preferably approximately 50 mm, more preferably approximately 100 mm.
- the first concave surface section has a radius which differs from the radius of the second concave surface section.
- the radius of the first concave surface section is smaller than the second concave surface section.
- the first concave surface section has a radius of approximately 50 mm and the second surface section has a radius of approximately 100 mm.
- the radius of the first concave surface section is greater than the second concave surface section.
- the second concave surface section has a radius of approximately 50 mm and the first surface section has a radius of approximately 100 mm. Furthermore, it is provided in a preferred embodiment that the radius of the first concave surface section is approximately the same size as the second concave surface section. In particular, both concave surface sections have a radius of approximately 50 mm or approximately 100 mm.
- the interior of the air inlet means is optimally used, in particular to the effect that energy losses are avoided and thus energy can be saved or more efficient extraction of vapors can take place. Furthermore, due to the expansion caused by the wave shape, a deflection of the air flow in the direction of the fan housing is more energy-efficient.
- the upper wall has a wave shape such that a height of the interior space increases and decreases in the inflow direction.
- the interior space has at least a first widening and a second widening.
- the first widening is assigned immediately or shortly after the inlet opening. More preferably, the first widening is arranged downstream of the upper and / or lower inflow edge in the direction of flow and is further preferred is arranged essentially immediately behind this.
- the inflow edge is at least part of a downwardly curved surface section which is followed by an upwardly curved surface section.
- a second widening is assigned to an outflow opening.
- the second widening is arranged essentially above the outflow opening, that is, the wave shape is designed to be directed upwards above the outflow opening.
- the widening is at least above the outflow opening starting from a surface which defines a wall of the outflow opening and an apex of the wave shape is defined above the outflow opening.
- the advantage of this embodiment is that the losses that arise due to the deflection of the air flow into the outflow opening are reduced by the widenings.
- the wave shape or the widening of the housing reduces the losses in the event of a subsequent deflection, in particular by the fan rotated by approximately 90 °.
- the wave shape at least the upper wall causes a better application of the air flow to the upper wall and / or to the lower wall and thus more preferably a lower-loss flow than with a straight design of the walls.
- water in front of the inlet opening can advantageously be captured more broadly.
- the wave shape causes at least two widenings of the interior.
- the wave shape causes 2, 3, 4 or more than 4 widenings of the interior.
- the lower wall at least partially has a wave shape.
- the lower wall has at least one, preferably at least two, more preferably at least three, downwardly curved surface sections which can also be described as concave.
- the lower wall has at least one, preferably at least two, more preferably at least three, upwardly curved surface sections which can also be described as convex.
- the waveform amplifies the lower Wall at least partially widening the interior space through the wave shape of the upper wall or at least causing widening elsewhere.
- the upper wall and the lower wall have at least partially anti-parallel wave shapes.
- an upward undulating movement of the upper wall is essentially parallel to a downward undulation of the lower wall.
- an antiparallel wave shape can also be understood to mean that an upward wave curve of the upper wall is essentially parallel to a downward wave curve of the lower wall, with the geometric designs of the wave curves and / or the amplitude of the wave curves differing from one another.
- a wave shape is to be understood as the shape of a transverse wave in the inflow direction. It is further preferably provided that the interior space is widened and narrowed in the direction of flow by the wave shape. In particular, the interior space is alternately expanded and narrowed by the wave shape of at least the upper wall.
- the design of the second widening which is associated in particular with the outflow opening, improves flow from upper areas above a cooking field or can enlarge the detection area.
- a first widening in the inflow direction is provided in front of the lower and upper inflow edge in the area of the inlet opening.
- a narrowing through the downwardly curved inflow edge, which in particular forms the first downwardly curved surface section, is followed in the flow direction by a second widening through at least one first upwardly curved surface section of the upper wall.
- the upper wall has a second downwardly curved surface section which adjoins the first upwardly curved surface section and which causes a second narrowing of the interior.
- the upper wall has a second upwardly curved surface section which adjoins the second downwardly curved surface section and which has a third widening of the interior causes. More preferably, the upper wall extends into the closed rear wall in the inflow direction after the third widening.
- the air inlet means has a perpendicular opening angle.
- a first leg of the perpendicular opening angle is tangent to at least two convex surface sections and a second leg is arranged horizontally.
- the perpendicular opening angle is preferably about 1 ° to about 5 °, further preferably about 2 ° to about 4 °, more preferably about 2 °, more preferably about 4 °.
- the vertical opening angle preferably opens upwards.
- an apex of the first convex surface section is arranged higher than an apex of the second convex surface section.
- the air inlet means has a horizontal opening angle.
- the horizontal opening angle is an angle in a horizontal sectional view, the legs of which are attached to the lateral inner walls.
- the horizontal opening angle is approximately 30 ° to approximately 60 °, preferably approximately 40 ° to approximately 55 °, more preferably approximately 45 ° to approximately 50 °, more preferably approximately 46 ° and approximately 50 °, more preferably approximately 48 °.
- the horizontal opening angle is advantageously optimally designed for mobile use of the device.
- the horizontal opening angle allows the air flow to be drawn in to be easily aligned, high energy efficiency and a high volume flow, so that the device is especially designed for placing next to a cooking facility.
- the upper wall and the lower wall form a closed rear wall opposite the inlet opening in the direction of flow. It is further preferably provided that, preferably immediately in front of the closed rear wall, a narrowing of the interior of the air inlet means is brought about by the upper and / or lower wall.
- the closed rear wall is a surface section which is formed by the upper wall and the lower wall.
- the closed rear wall preferably has a surface section curved to the rear. More preferably, the air flow to the outflow opening is able to be guided by means of the closed rear wall.
- the wave shape is provided in connection with the projection, there is the advantage that both a direction of the air flow and an optimization and energy efficiency in the extraction of fumes are achieved.
- the intake housing has a lower shell which at least partially surrounds the lower wall.
- the lower shell and the upper shell can together produce a housing which at least partially, preferably completely, surrounds the air inlet means.
- the lower shell has an outflow opening, which is preferably aligned with the outflow opening of the lower wall.
- the device has a fan housing.
- the intake housing is releasably connected to the fan housing.
- releasably connected is to be understood as meaning that the intake housing can be separated from the fan housing without tools.
- the intake housing is not detachably connected to the fan housing without a tool.
- the fan housing has a fan.
- the fan is designed as an axial fan, radial fan or cross-flow fan, a design as a radial fan being preferred. It is also advantageous that the intake housing is releasably connected to the fan housing via the adapter plate.
- the intake housing is rotatably connected to the fan housing.
- the connection is suction housing connected to the fan housing so that it can be tilted.
- the intake housing can be inclined upwards and / or downwards to the fan housing. In this way, an alignment can advantageously be directed towards, for example, a steam-generating cooking vessel. The cooking vessel.
- the rotatable connection between the intake housing and the fan housing has the advantage that the inflow opening can be easily aligned, whereby the intake housing, which is preferably lighter than the fan housing, can be rotated without the entire device having to be rotated.
- the fan housing has an air inlet opening. This is preferably net angeord on the top of the fan housing.
- the air inlet opening preferably at least partially accommodates a pipe socket.
- the pipe socket can be part of the adapter plate.
- the pipe extension is part of the air inlet opening or is arranged in the air inlet opening.
- the adapter plate can be placed on the pipe socket. The adapter plate or the fan housing and the intake housing can be connected via the pipe socket.
- the fan housing has at least one safety switch.
- the safety switch is a proximity sensor, an induction sensor, a button, a contact closure that can be achieved, for example, via the pipe attachment, or another switching or touch device.
- the fan housing has the fan that can be switched by means of the safety switch.
- the advantage of providing at least one safety switch is that the fan stops or is switched off as soon as the intake housing is removed from the fan housing.
- one embodiment provides for the safety switch to be arranged in the area of the suction opening.
- the safety switch is arranged on the upper side of the fan housing or is assigned to the upper side.
- the safety switch can be switched by means of the suction housing and / or the pipe socket.
- the fan housing has air outlet openings.
- the fan housing has at least one air outlet opening.
- the housing preferably has at least two air outlet openings. It is further preferably provided that the air outlet openings are arranged on the sides, the rear and / or the front. Before given, the air outlet openings are arranged on the sides of the fan housing. In a further embodiment it is provided that filters are assigned to the air outlet opening which filter the air flow.
- the air flow is induced by the fan located in the fan housing.
- the blower sucks in air, which is guided through the inlet opening into the interior of the intake housing. If there is a protrusion, the air is directed into the interior and, if necessary, calmed before it flows in.
- the air flow is applied to the upper and / or lower wall when the upper and / or the lower wall has a wave shape with at least two arches, each of which widen the interior.
- the air flow is deflected in the direction of the fan housing, which is in particular about 90 ° downwards. The air flow flows through the outlet opening in the lower wall into the fan housing.
- the air flow is passed through a pipe extension arranged on the adapter plate, which is at least partially inserted into the suction opening, into the fan housing.
- the air flow passes through the blower and prefers a downstream filter.
- the air flow then exits through the air outlet openings on the fan housing.
- the fan housing has an electrical unit.
- the electrical unit is preferably arranged at the rear of the fan housing.
- the electrical unit is arranged in the fan housing.
- the electrical unit includes, in particular, the electrical supply, control and / or regulation of the fan.
- the inlet opening is assigned a projection which is formed in the, for example, by the covers.
- the projection protrudes above the inlet opening.
- the projection above the inlet opening extends further than below the inlet opening.
- no protrusion is provided below the inlet opening.
- the cover thus forms the inlet opening surrounding the cantilever at an angle to the horizontal.
- the upper or lower wall does not have a wave shape.
- the upper wall has a wave shape.
- the waveform forms, for example, a first widening and a second widening within the air inlet means.
- the first widening is preferably assigned to the air inlet opening and widens the air inlet means immediately behind the inflow edges provided with radii.
- An exemplary air flow flows in the inflow direction through the inlet opening into the air inlet means and is applied at least to the upper wall by the wave shape. Furthermore, the air flow is directed away downwards and backwards through the outflow opening.
- the lower wall has a shape that reinforces the widening and the interior.
- a recess is provided behind the lower inflow edge, which helps to shape the widening.
- the lower wall forms an upwardly extending bead around the outflow opening and extends downward within the bead to the outflow opening.
- the device has no protrusion.
- the upper wall has a wave shape.
- the waveform forms, for example, a first widening and a second widening within the air inlet means.
- the first widening is preferably assigned to the air inlet opening and widens the air inlet means immediately behind the inflow edges provided with radii.
- An exemplary air stream flows in the inflow direction through the inlet opening into the air inlet means and is applied at least to the upper wall by the wave shape. Furthermore, the air flow is then through the outflow opening led away downwards to the rear.
- the lower wall has a shape that reinforces the widening and the interior.
- the inlet opening is assigned a projection which is formed in the, for example, by the covers.
- the projection protrudes above the inlet opening. It can also be seen that the projection above the inlet opening extends further than below the inlet opening. For example, it is provided that no protrusion is provided below the inlet opening.
- the cover thus forms the projection surrounding the inlet opening at an angle to the horizontal.
- the device is designed with an intake housing and a fan housing.
- the intake housing includes an air inlet means.
- the device has a top and a bottom. Furthermore, the device comprises two sides and and a front and a rear. Air outlet openings are provided on the sides and the fan housing.
- the intake housing has air inlet means.
- the air inlet means has an upper wall with an inflow edge.
- a lower wall is connected to the upper wall and forms with this an interior space not further designated here.
- the lower inflow edge of the lower wall adjoins the upper inflow edge of the upper wall and forms with this a rounded, rectangular inlet opening.
- the lower wall has an outflow opening through which an air flow can be guided into an air inlet opening of the fan housing.
- An upper shell and a lower shell surround the air inlet means.
- the lower shell has an outflow opening which is aligned with the outflow opening of the lower wall and through which the air flow can be directed in the direction of the fan housing.
- the intake housing preferably also has two covers arranged one above the other and an air inlet means receptacle which surround and protect the air inlet means.
- at least one operating element is integrated into the intake housing, wherein at least one cover has an opening through which the at least one operating element can be operated.
- the air inlet means receptacle has at least one locking element which cooperates with at least one locking receptacle of the upper shell. In this way, the air inlet means together with the upper and lower shells can be detachably introduced into the suction housing.
- the releasability of the Lucaseinlassmit means facilitates the cleaning of the same.
- An adapter plate is arranged below the air inlet means receptacle and the cover.
- a pipe socket is preferably arranged below the adapter plate.
- the pipe socket is preferably designed to be flush with the outlet opening of the lower wall when the air inlet means is inserted into the air inlet means.
- An inlet panel is placed in front of the air inlet means or arranged in front of it, in order to further define the air inlet opening, in particular by shaping an inlet panel opening.
- the air inlet means has an upper wall and a lower wall.
- the upper wall has a wave shape on the inside.
- the lower wall has an outflow opening which is aligned with the Rohran set.
- the upper wall and the lower wall also have inflow edges and which define the inflow opening.
- the pipe socket is preferably part of the adapter plate and is fixed in this.
- the raw attachment of the adapter plate can be removed.
- the inflow edges each have a radius and are preferably not made sharp.
- the pipe extension of the intake housing can be inserted into the air inlet opening, whereby at least one safety switch is actuated by assembling the two housing parts.
- the at least one safety switch is preferably arranged in a wall section shaping the air inlet opening.
- the fan and the electrical unit are arranged in the fan housing.
- an intake housing comprising an air inlet means, the air inlet means having an upper wall and a lower wall which form an interior space with an inlet opening, at least the upper wall on an interior side has a wave shape with at least two upwardly curved surface sections, wherein at least in the area of the upwardly curved surface sections of the interior has widenings.
- an intake housing which comprises an air inlet means, the air inlet means having an upper wall and a lower wall which form an inlet opening, the inlet opening being assigned a projection.
- the intake housing comprises an air inlet means, the air inlet means having an upper wall and a lower wall which form an interior space with an inlet opening, at least the upper wall having a wave shape on an inner side with at least two upwardly curved surface sections, at least At least in the area of the upwardly curved surface sections the interior space has widenings and the inlet opening is assigned a projection.
- an air flow is generated by means of a fan in an intake housing with an air inlet means
- the air flow is applied to at least the upper wall
- the air flow is guided into a fan housing at least via an outflow opening in a lower wall of the air inlet means.
- an air flow is generated by means of a fan in an intake housing with an air inlet means, the air flow is calmed and / or directed by an air inlet means by means of a protrusion extending in particular over an inlet opening of the intake housing,
- the air flow is drawn into the intake housing through the inlet opening and the air flow is guided into a fan housing at least via an outlet opening in a lower wall of the air inlet means.
- the method provides that the air flow in front of an air inlet means is calmed and / or directed both by means of a protrusion extending in particular at an inlet opening of the intake housing and at least by means of an upper wall of the air inlet means which has a wave shape on at least one inside , the air flow is at least partially applied to at least the upper wall.
- Figure 2 is an exploded view of an alternative device
- FIG. 3 shows a sectional view of the device from FIG. 1, with an intake housing being separated from a fan housing;
- FIG. 4 shows a detailed view of the section from FIG. 3;
- Figure 5 is a bottom view of the air inlet means; 6 shows a front view of the device according to FIG. 2;
- FIG. 7 shows a side view of one of the device according to FIG. 6.
- FIG. 8 shows a top view of the device according to FIG.
- the intake housing 78 comprises an air inlet means 40.
- the device 10 has an upper side 16 and a lower side 17. Furthermore, the device comprises two sides 12 and 13 as well as a front 14 and a rear 15. Air outlet openings 24 are provided on the sides 12 and 13 of the fan housing 20.
- the intake housing 78 furthermore has at least one cover 82 in the embodiment shown here.
- the air inlet means 40 can be releasably inserted into the suction housing 78.
- the releasability of the air inlet means 40 facilitates its cleaning.
- FIG. 2 shows an exploded view of a further embodiment of the device 10, the individual parts of the intake housing 78 being discussed in particular below.
- the intake housing 78 has an air inlet means 40.
- the air inlet means 40 has an upper wall 54 with an inflow edge 56.
- a lower wall 62 is connected to the upper wall 54 and forms with this a not further designated in interior space.
- the lower inflow edge 66 of the lower wall 62 adjoins the upper inflow edge 56 of the upper wall 54 and forms with this a rounded, rectangular inlet opening 72, which can be seen in FIG. 3.
- the lower wall 62 has an outflow opening 64 through which an air flow 18 shown in FIG. 4 can be guided into an air inlet opening 22 of the fan housing 20.
- the intake housing 78 also has a cover 82. It is preferably provided in the embodiment shown here that a Operating element 86 is integrated into the intake housing 78, the cover 82 having an opening, not further designated here, through which the operating element 86 can be operated.
- An adapter plate 88 is arranged below the air inlet means receptacle 80 and the cover 82.
- An inlet screen 90 is placed in front of the air inlet means 40 or arranged in front of it, in order to further define the inlet opening 72, which can be taken from FIG. 3, in particular by shaping an inlet screen opening 92.
- the inlet panel 90 only frames the air inlet means 40 or the inlet panel 90 is completely omitted.
- FIG. 3 shows a longitudinal section through the device 10 from FIG. 1, the Ansauggenosu se 78 being separated from the fan housing 20.
- the inlet opening 72 is assigned a projection 83 which, in the embodiment shown, is formed by the covers 82.
- the projection 83 protrudes above the inlet opening 72 by approximately 23 mm.
- the protrusion 83 extends further above the inlet opening 72 than below the inlet opening 72.
- no protrusion 83 is provided below the inlet opening 72.
- the cover 82 thus forms the projection 83 surrounding the inlet opening 72 with an angle a to the horizontal of about 80 °.
- the device 10 can also be designed without projection 83 before.
- the air inlet means 40 has an upper wall 54 and a lower wall 62.
- the upper wall 54 has a wave shape 59 on the inside 60.
- the lower wall 62 has an outflow opening 64 which is aligned with the pipe socket 89.
- the upper wall 54 and the lower wall 62 also have inflow edges 56 and 58 which define the inflow opening 72.
- the pipe socket 89 is part of the adapter plate 88 and is fixed in it.
- the raw extension 89 of the adapter plate 88 can be removed.
- the inflow edges 56 and 66 each have a radius 58 and 68 and are preferably not made sharp.
- the blower housing 20 can be seen in a sectional view in FIG.
- the pipe extension 89 of the suction housing 78 can be inserted into the air inlet opening 22, a safety switch 23 being actuated by inserting the assembly of the two housing parts 78 and 20 .
- the safety switch 23 is preferably arranged in a non-designated air inlet opening 22 shaping wall section.
- the fan 96 and the electrical unit 98 are arranged in the fan housing 20.
- FIG. 4 shows a section of the intake housing 78 according to FIG. 1, in which it can be seen that the wave shape 59 of the upper wall 54 has at least two upwardly curved surface sections 75 and 77, which can in particular be described as concave. More preferably, the wave shape 59 has at least two downwardly curved surface sections 79 and 81, which can in particular be described as convex.
- the upwardly curved surface sections 75 and 77 lead to a first widening 61 and a second widening 63 in the interior 57 of the air inlet means 40.
- the first widening 61 is preferably assigned to the air inlet opening 72 and widens the air inlet means 40 immediately behind the ones with radii 58 and 68 provided inflow edges 56 and 66.
- An opening angle ⁇ is approximately 2 °.
- FIG. 4 also shows an exemplary air flow 18 which flows in the inflow direction 91 through the inlet opening 72 into the air inlet means 40 and is applied at least to the upper wall by the wave shape 59. It can also be seen that the air flow 18 is then directed away downwards through the outflow opening 64.
- FIG. 4 also shows that the lower wall 62 has a shape that reinforces the expansion 61 and 63 of the interior 57.
- the lower wall 62 has two downwardly curved surface sections 85 and 87 which can also be described as concave.
- the lower wall 62 has two upwardly curved surface sections te 93 and 95, which can also be described as convex.
- the inflow edges 56 and 66 are formed by the convex surface sections 79 and 93.
- An outward opening mouth is formed by this Formge environment.
- the downwardly curved surface section 85 is provided, which helps to shape the widening 61.
- the lower wall 62 forms around the outflow opening 64 an upwardly extending bead 65, which is formed by the upwardly curved surface portion 95, and extends within the bead 65 to the outflow opening 64 downwards.
- either only the wave shape 59 of the air inlet means 40 is configured without the projection 83, which can be seen in FIG. 3. And in a further embodiment it is provided that the device is designed with only one projection 83 without the wave shape 59 in the air inlet means 40.
- FIG. 5 shows a view of the air inlet means according to FIG. 1 from below.
- a horizontal opening angle Y has legs which are placed against the lateral inner walls, which are formed by the upper wall 54 and / or by the lower wall 62.
- the angle is approximately 48 ° and is therefore optimally designed for mobile use of the device 10.
- Fig. 6 shows the device 10 in the alternative embodiment of FIG. 2 in a front view.
- FIG. 7 shows the device 10 in the embodiment according to FIG. 2 in a side view.
- the intake housing 78 and the fan housing 20 can be seen there.
- the air outlet openings 24 are designed as a number of horizontal slots.
- FIG. 8 shows the device 10 in the embodiment according to FIG. 2 in a top view.
- the intake housing 78 with the operating unit 86 can be seen there.
- the device 10 described can draw in or suck in vapors in a very energy-efficient and directional manner, whereby it can be designed in particular to be mobile, so that it can also be used for many purposes in kitchens or at cooking areas outside of buildings.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Baking, Grill, Roasting (AREA)
- Ventilation (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019117148.2A DE102019117148B4 (de) | 2019-06-26 | 2019-06-26 | Ansauggehäuse und Vorrichtung umfassend ein Ansauggehäuse zur Absaugung von Wra-sen sowie Verfahren zur Absaugung von Wrasen mittels der Vorrichtung und Verwendung der Vorrichtung zur Absaugung von Wrasen |
| PCT/EP2020/067605 WO2020260344A1 (de) | 2019-06-26 | 2020-06-24 | Vorrichtung zur absaugung von wrasen sowie verfahren zur absaugung von wrasen mittels der vorrichtung und verwendung der vorrichtung zur absaugung von wrasen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3990833A1 true EP3990833A1 (de) | 2022-05-04 |
| EP3990833B1 EP3990833B1 (de) | 2024-02-14 |
Family
ID=71266643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20734100.9A Active EP3990833B1 (de) | 2019-06-26 | 2020-06-24 | Vorrichtung zur absaugung von wrasen sowie verfahren zur absaugung von wrasen mittels der vorrichtung und verwendung der vorrichtung zur absaugung von wrasen |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US12345421B2 (de) |
| EP (1) | EP3990833B1 (de) |
| JP (1) | JP7535544B2 (de) |
| KR (1) | KR102643335B1 (de) |
| CN (1) | CN114641656B (de) |
| DE (1) | DE102019117148B4 (de) |
| ES (1) | ES2984449T3 (de) |
| PL (1) | PL3990833T3 (de) |
| WO (1) | WO2020260344A1 (de) |
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-
2019
- 2019-06-26 DE DE102019117148.2A patent/DE102019117148B4/de active Active
-
2020
- 2020-06-24 ES ES20734100T patent/ES2984449T3/es active Active
- 2020-06-24 CN CN202080045997.6A patent/CN114641656B/zh active Active
- 2020-06-24 KR KR1020227002518A patent/KR102643335B1/ko active Active
- 2020-06-24 US US17/623,052 patent/US12345421B2/en active Active
- 2020-06-24 EP EP20734100.9A patent/EP3990833B1/de active Active
- 2020-06-24 PL PL20734100.9T patent/PL3990833T3/pl unknown
- 2020-06-24 JP JP2021577949A patent/JP7535544B2/ja active Active
- 2020-06-24 WO PCT/EP2020/067605 patent/WO2020260344A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102019117148B4 (de) | 2022-09-29 |
| KR20220056848A (ko) | 2022-05-06 |
| DE102019117148A1 (de) | 2020-12-31 |
| PL3990833T3 (pl) | 2024-08-05 |
| ES2984449T3 (es) | 2024-10-29 |
| JP7535544B2 (ja) | 2024-08-16 |
| CN114641656B (zh) | 2025-01-24 |
| CN114641656A (zh) | 2022-06-17 |
| EP3990833B1 (de) | 2024-02-14 |
| US12345421B2 (en) | 2025-07-01 |
| KR102643335B1 (ko) | 2024-03-07 |
| US20220252275A1 (en) | 2022-08-11 |
| WO2020260344A1 (de) | 2020-12-30 |
| JP2022543530A (ja) | 2022-10-13 |
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