EP2772695A2 - Extractor hood - Google Patents
Extractor hood Download PDFInfo
- Publication number
- EP2772695A2 EP2772695A2 EP14002209.6A EP14002209A EP2772695A2 EP 2772695 A2 EP2772695 A2 EP 2772695A2 EP 14002209 A EP14002209 A EP 14002209A EP 2772695 A2 EP2772695 A2 EP 2772695A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hood
- air
- extractor
- insert
- cover plate
- 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
- 239000004519 grease Substances 0.000 claims description 43
- 239000003517 fume Substances 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000010411 cooking Methods 0.000 description 10
- KMXPHBJUGYLXDM-LSDHHAIUSA-N 1-[(7r,8s)-7-hydroxy-6,6-dimethyl-7,8-dihydropyrano[2,3-f][2,1,3]benzoxadiazol-8-yl]piperidin-2-one Chemical compound N1([C@H]2C3=CC4=NON=C4C=C3OC([C@@H]2O)(C)C)CCCCC1=O KMXPHBJUGYLXDM-LSDHHAIUSA-N 0.000 description 7
- 239000002184 metal Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
Definitions
- the present invention relates to a fume hood with a grease filter, a suction system for applying this grease filter with negative pressure to gases to be purified, especially by cooking fumes contaminated air to promote through this grease filter, and with a cover, which the suction effect of the suction system to slit-shaped Limited openings at the edge of the trigger.
- Extractor hoods with edge extraction are well-known products for private kitchen equipment and are commercially available. Extractor hoods of this kind are typically mounted on a wall above the hob or attached to the ceiling above the hob.
- fume hoods for home kitchen appliances are usually not designed to be cleaned (daily), for example, by spraying and / or by the use of scouring agents.
- a vapor extraction device with edge suction which has at least one slit-shaped intake opening for sucked air, which extends along an outer Rands a central air-impermeable cover plate extends, a hood screen with at least one central air-permeable grease filter, which closes a flue or chimney, wherein at least a central portion of the grease filter (and the hood screen) is shielded in operation by the cover plate from a cooking area and the gap-shaped inlet opening is connected by an air channel, the inner boundary surfaces are impermeable surfaces of the hood shield and the airtight cover plate, wherein the boundary surfaces are shaped so that the gap-shaped intake opening opposite boundary surfaces deflecting a entering into the slit-shaped intake air flow by at least 45 degrees, wherein the deflecting parts the boundary surfaces of the air duct opposite the slot-shaped intake opening are at least partially separated from one from the rest of the hood screen and / or the cover plate form the reusable insert part.
- An element has a shielding effect within the meaning of the invention, if the rectilinear motion of the cooking fumes from the place of its formation, i. the hotplate, the shielded element interrupts and thus forces the sucked air to make a detour through the gap-shaped intake opening.
- the extractor device is preferably an extractor hood without moving extension, so a hood in which the cover plate and the rest of the hood screen are not moved during operation relative to each other, or in which the gap-shaped intake opening has a constant distance to the grease filter.
- the cover plate on the extractor device can be movably mounted or disconnected and reusable mounted, in particular in embodiments in which the insert part is partially covered by the cover plate in the ready state, and the separation or re-insertion of the Insert is blocked by the cover plate in its closed ready state.
- the insert part can not be separated from the rest of the extractor device in the closed, ready-for-use position. Therefore, for cleaning, first the cover plate is moved from an operating position to a maintenance position or separated from the extractor device.
- the surfaces which limit the air gap and thus deposit more fat residue can be cleaned with the insert separately from the rest of the extractor.
- the material of the insert is preferably dishwasher safe, e.g. made of stainless steel or a durable plastic.
- the insert preferably comprises magnetic fasteners which connect the insert releasably to the remainder of the extractor.
- the attachment means are preferably shaped to prevent slippage of the insert along the hood screen.
- the insert part preferably has positioning means which cooperate with positioning means on the remainder of the extractor hood and define the position of the insert part during insertion and preferably prevent slippage of the insert part in the inserted state.
- These positioning means may be, for example, matched positive and negative profiles or contour surfaces on the insert part and the corresponding contact surfaces of the hood screen.
- the fastening means and the positioning means are combined in one place.
- the insert becomes accessible and can be cleaned by the user by simply pulling on the magnetic fixture be separated from the extractor device.
- the insert preferably still has one or more handles.
- the slot-shaped intake opening is longer and extends, for example, around the cover plate or consists of several sections
- several insert parts can be used instead of an insert part.
- the inserts are identical and interchangeable.
- a longer section of the intake opening for example a circumferential intake gap of a cooker hood suspended over the cooking area, can thus have two or more identical insert parts.
- the insert part or the insert parts and the grease filter or the grease filter of the extractor device are preferably designed as separate components of the extractor device. However, it may be advantageous for some extractor devices if the grease filter and the insert form a single component, so that the insert forms a preferably air-impermeable extension of the grease filter and is separated with this for cleaning the rest of the extractor device.
- the insert Due to its function, the insert is arranged at the entrance of the air duct to the central grease filter. It may therefore also have grease, for example in the form of meshes of expanded metal, which extend into the air duct or are arranged transversely to the air duct.
- the extractor device according to this invention an extractor hood with peripheral edge suction and designed so that it is mounted in the operating state above the cooking position.
- the cover plate is preferably connected by means of hinges with the rest of the extractor device and is the Cleaning the inserts folded down by the user.
- the device according to the invention can also be applied to other types of extractor devices, such as table hoods or downdraft hoods.
- the cover plate can also consist of several sections.
- the extractor device still has in a known manner in the exhaust duct or chimney on a blower for generating a negative pressure. Furthermore, it can also have further filters mounted in the exhaust duct, particularly in recirculation mode.
- FIG. 1A A schematic perspective full view of a known extractor hood 10 is in the Figures 1A and 1B shown.
- the hood consists of a duct or chimney part 11, and a lower, firmly connected to the outlet shaft 11 hood screen 12, to which a hinged cover plate 13 is fixed by hinges. It shows FIG. 1A the extractor hood in the closed state and FIG. 1B the extractor hood in the open state.
- a cooker hood of this type is installed above a cooking range and may typically be configured in a draft mode or in a recirculation mode. In recirculation mode, the intake air is conveyed through an opening 111 with additional odor-binding filter in the chimney 11 back into the room.
- the hood shade 12 has an outer frame 120 which on one side (in the example shown, the underside) protrudes beyond the central inner surface and thus forms a peripheral edge on this side.
- the cover plate 13 serves as an air-impermeable baffle surface, so that in the closed state ( FIG. 1A ) the air is sucked in only by the circumferential gap 121 between the outer edge of the cover plate 13 and the peripheral edge of the frame 120 of the hood screen 12.
- the cover plate 13 may for example be made of glass, plastic or Metal exist.
- the cover plate 13 still inwardly directed spacers 131.
- the dimensions of the spacers 131 define the height of the air channel between the intake nip 121 and the centrally located intake opening into the chimney 11.
- the air duct is essentially delimited by the inner underside of the hood screen 12 and the inner surface of the cover plate 13 oriented upwards in the closed state.
- the air passage allows air which is sucked in through the intake nip 121 to flow to the center of the hood screen 12 and to be sucked into the chimney 11 through the grease filter 123.
- the outer surface of the cover plate 13 is exposed in the operating state directly to the vapors of the cooking area and shields the central portion of the hood with the grease filter 123 against these fumes.
- FIG. 1A and 1B illustrated and described above elements or functions of a cooker hood are known.
- an example according to the invention will be described starting from FIG. 1A and 1B described extractor hood 10, wherein elements which are common to the examples or in their function coincide with the same reference numerals FIG. 1A and 1B Marked are.
- illustrated extractor hood 10 also has a chimney 11, a fixed hood screen 12 and a hinged cover plate 13.
- the grease filter 123 consists of 3 parts, each one Part can be solved by itself for cleaning the hood screen 12.
- the illustrated extractor hood 10 further comprises three lamps 122 in the hood screen 12.
- hood screen 12 On the inner surface of the hood screen 12 five identical inserts 124 are attached. These are mounted on the surface or surfaces of the hood screen 12 between the grease filter 123 and inner edge of the peripheral frame 120. Two of these inserts 124 in a corner of the hood screen 12 are in the enlarged section of FIG. 2 B shown.
- the inserts 124 are arranged so that they at least largely form the inner surface (s) opposite the air gap 121 at the beginning of the air channel 125 in the ready state of the extractor hood 10, ie when the cover 13 is closed.
- FIG. 2C shows a vertical section through the center of the hood 10.
- the hood 10 is designed in this example for wall mounting.
- the hood shade 12 forms in this variant a substantially U-shaped screen around the central chimney 11, which is mounted directly on the wall.
- the fan 112 is shown in the chimney 11, with which the kitchen fumes or vapors are sucked through the nip 121 in the hood.
- the intake to the chimney 11 is covered by the grease filter 123.
- the grease filter 123 is designed so that it extends over part of the circumferential intake gap 121. In a typical wall mounting of the extractor hood 10, this part of the circumferential intake gap 121 is that part which runs along the wall.
- the air flows with the blower 112 on are in FIG. 2C indicated by arrows. As shown, the air enters the near-wall region of the intake gap 121 without deflection directly through the grease filter 123 into the chimney compartment.
- the sucked air after passing through the intake gap 121 is first transported in the air channel 125 between the inner boundary surface of the hood shield 12 and the cover plate 13 in the direction of the chimney 11 and passes there the grease filter 123. It can be observed in that the air which passes through the remaining sections of the intake gap 121 undergoes a deflection immediately after the intake gap.
- FIG. 3A-3C It is shown which sequence has the deflection of the air in this area and which constitute the advantages of the present invention.
- the flow of the sucked air is as shown by the arrows.
- the air flow is drawn through the nip 121 between the hood edge 120 and the cover plate 13 in the air passage 125 which extends between the underside of the hood screen 12 and the top of the cover plate 13.
- the sucked air passes through the central grease filter 123 and rises in the chimney 11 upwards.
- FIG. 3A shows the basic elements of a known extractor hood, as for example in FIG. 1 is shown, ie without inserts according to the present invention. Due to the deflection of the sucked air, it comes straight to the wall parts, which lie opposite the nip 121, for increased deposits of residues 30. In the extractor hood after FIG. 3B however, the exposed areas where such deposition 30 occurs are parts of the Insert parts 124 and can be easily separated and cleaned by the user from the rest of the hood in a simple manner and without tools.
- the insert 124 of FIG. 3B essentially forms a voltage applied to the underside of the hood screen 10 surface in the entrance region of the air channel 125 by the sucked air is deflected.
- the insert 124 of FIG. 3C On the other hand, in addition, a lattice-shaped expanded metal stretched transversely to the air duct 125, on which residue 30 can likewise be deposited, additionally exists. It should be noted, however, that such an additional grease separator arranged transversely to the air duct 125 may, on the one hand, increase the efficiency of grease separation, but on the other hand reduces the suction power of the extractor hood 10 for a given engine power. Therefore, it may be more advantageous to design the insert 124 so that the air channel 125 remains as free as possible of flow obstructions and (as in the example of FIG. 3B shown) to dispense with additional grease separator at this point.
- An insert 124 consists essentially of two side plates 124-3, which are connected at their respective opposite edges by a first cross plate 124-1 and a second cross plate 124-2.
- the first cross-plate 124-1 forms in the inserted state of the insert part 124, the pull-in gap 121 opposite wall surface of the hood screen 12.
- the second cross plate 124-2 forms a surface which follows the contour of the cover plate 13 in the closed state or contacts, so that in operable state, the sucked air flows substantially through the opening between the two cross plates 124-1, 124-2 and the two side plates 124-3 and then enters the air passage 125.
- the separation of fat residues from the air happens primarily on the first cross plate 124-1.
- Parts of a magnetic support 124-4 in the form of a positively shaped profile are also mounted on the first cross-plate 124-1, which at least partially rests on the hood shield 12 in the inserted state of the insert part, with which the insert part 124 on the hood shield 12 (in a correspondingly shaped negative profile) is anchored.
- FIG.5 the process of removing or reinserting an insert 124 as described in U.S. Pat FIG. 4 is shown.
- FIG. 5A shows the insert 124 in the inserted and ready state and the cover plate 13 also in the closed and ready for operation.
- the magnet holder 124-4 is anchored in the hood shield 12 within a recess 126, which is adapted to the positive profile 124-4.
- the insert 124 can not slip in the lateral direction, ie along the hood screen 12.
- FIG. 5B shows the insert 124 in a dissolved state of the hood screen 12, wherein the cover plate 13 for removing the insert 124 is already in the open state, ie folded down in the present example.
- the insert 124 can be released by its simple pull in the direction perpendicular to the main plane of the hood screen 12 from its permanent magnetic anchoring 126, 124-4.
- FIG. 5C are in the cross-sectional view of FIG. 5B shown elements shown again in a perspective view. An insert 124 is in shown separated state while other inserts 124 are still anchored in the hood screen 12.
- FIG. 6 an example of a variant of the present invention is shown. Identical or similar elements are again marked with the same reference numerals as in the preceding examples.
- the example shows an extractor hood 10 with a chimney 11 and a fixed hood shade 12.
- the central inner area of the hood shade 12 with the chimney 11 is shielded from the hob by a cover plate 13 so that the cooking fumes or vapors only be sucked through a circumferential gap 121 in the hood 10.
- the example shows FIG. 6
- the central grease filter 123 is extended so far that its edge areas extend to the parts of the hood screen 12, which lie opposite the pull-in gap 121. In this arrangement, the sucked in operation air flow can be cleaned before the deflection in the direction of the central chimney 11 through the grease filter 123.
- the central grease filter 123 remains restricted to an inner area substantially defined by the circumference of the chimney 11.
- the central fat filter 123 after FIG. 6B However, it has air-impermeable edge portions 123-1, which extend to the parts of the hood screen 12, which lie opposite the pull-in gap 121. That is, the deflection of the air sucked in operation from the air gap 120 into the air channel 125 happens before the air flows through the grease filter 123. Deposits, which at the deflecting the air flow, preferably deposited on the air-impermeable edge regions 123-1 of the grease filter 123 from.
- FIG. 7 It is shown that the present invention can also apply to other extractor devices with a slit-shaped intake opening and subsequent deflection of the intake air, which are not ceiling or wall mounted apply.
- the example of FIG. 7 represents a (in the vicinity of the hob retractable) table hood or downdraft hood 10, which are known as such. Identical or similar elements are marked with the same reference numerals as in the preceding examples.
- the example shows a table hood 10 with a chimney 11, a blower 112 and a hood shade 12.
- the inner area of the hood shade 12 with the grease filter 123 is shielded from the hotplate by a cover plate 13 so that the cooking vapors resp Vapors are sucked into the hood 10 only by a horizontal gap 121 running at the upper edge of the table hood. From there, the sucked air is deflected in the vertical in this example air passage 125 between the cover plate 13 and the hood screen 12. As indicated by the arrows, the sucked air then passes through the grease filter 123.
- the wall region of the hood screen 12, which lies opposite the pull-in gap 121, has an insert part 124 in which the fat residues of the sucked-in air can be deposited.
- the insert 124 is connected to the remainder of the hood shield 12 by means of a magnetic anchor 126 and can be easily separated from the hood shield by pulling.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
Description
Die vorliegende Erfindung bezieht sich auf einen Dunstabzug mit einem Fettfilter, einem Saugsystem zur Beaufschlagung dieses Fettfilters mit Unterdruck, um zu reinigende Gase, insbesondere durch Kochdünste verunreinigte Luft, durch diesen Fettfilter zu fördern, und mit einer Abdeckung, welche die Saugwirkung des Saugsystems auf spaltförmige Öffnungen am Rand des Abzugs beschränkt.The present invention relates to a fume hood with a grease filter, a suction system for applying this grease filter with negative pressure to gases to be purified, especially by cooking fumes contaminated air to promote through this grease filter, and with a cover, which the suction effect of the suction system to slit-shaped Limited openings at the edge of the trigger.
Dunstabzugshauben mit Randabsaugung sind bekannte Produkte für private Kücheneinrichtungen und kommerziell erhältlich. Dunstabzugshauben dieser Art werden typischerweise an einer Wand oberhalb der Kochstelle montiert oder an der Decke über der Kochstelle befestigt.Extractor hoods with edge extraction are well-known products for private kitchen equipment and are commercially available. Extractor hoods of this kind are typically mounted on a wall above the hob or attached to the ceiling above the hob.
Weitere Dunstabzugsvorrichtungen für Haushaltsküchen, welche neben der Kochstelle angeordnet sind, sind bekannt, bei denen ebenfalls im Normalbetrieb die Luft zunächst durch einen Luftspalt in den Dunstabzug gesaugt wird und nach dem Einzug in den Dunstabzug eine Umlenkung erfährt, um in Richtung des Orts des Fettfilters transportiert zu werden. Beispiele dieser Vorrichtungen werden im Handel unter den Namen "Tischhaube" oder "Downdraft-Haube" angeboten.Further extractor devices for household kitchens, which are located next to the cooking area, are known in which also in normal operation, the air is first sucked through an air gap in the extractor and after moving into the fume hood undergoes a deflection, transported in the direction of the location of the grease filter to become. Examples of these devices are commercially available under the names "table top" or "downdraft hood".
Bei dieser Art von Dunstabzügen mit Randabsaugung kann es im Betrieb vorkommen, dass sich Rückstände, welche von der angesaugten Luft transportiert werden, im Luftkanal zwischen dem Ansaugspalt und dem Fettfilter im Abzugsschacht bzw. Luftkanal absetzen. Solche Ablagerungen sind unerwünscht und führen zu Verunreinigungen, welche schwer zu entfernen sind.In this type of extractor with Randabsaugung it may occur during operation that residues that are transported by the intake air, settle in the air duct between the suction and the grease filter in the exhaust duct or air duct. Such deposits are undesirable and lead to impurities which are difficult to remove.
Im Gegensatz zu grösseren, kommerziellen Dunstabzugsvorrichtungen sind Dunstabzüge für private Kücheneinrichtungen normalerweise nicht ausgelegt, um beispielsweise durch Abspritzen und/oder durch den Einsatz von Scheuermitteln regelmässig (täglich) gereinigt zu werden.In contrast to larger, commercial fume extractors, fume hoods for home kitchen appliances are usually not designed to be cleaned (daily), for example, by spraying and / or by the use of scouring agents.
Es besteht daher die Aufgabe, Dunstabzugsvorrichtungen mit Randabsaugung für private Kücheneinrichtungen so zu gestalten, dass unerwünschte Ablagerungen, insbesondere Fettrückstände, einfach zu entfernen sind.It is therefore an object to design extractor devices with Randabsaugung for private kitchen equipment so that unwanted deposits, especially fat residues, are easy to remove.
Gemäss der vorliegenden Erfindung wird eine Dunstabzugsvorrichtung mit Randabsaugung bereitgestellt, welche mindestens eine spaltförmige Einzugsöffnung für angesaugte Luft aufweist, welche entlang eines äusseren Rands einer zentralen luftundurchlässigen Abdeckplatte verläuft, einen Haubenschirm mit mindestens einem zentralen luftdurchlässigen Fettfilter, welcher einen Abzugsschacht oder Kamin abschliesst, wobei zumindest ein zentraler Bereich des Fettfilters (und des Haubenschirms) im Betrieb durch die Abdeckplatte von einer Kochstelle abgeschirmt ist und mit der spaltförmigen Einzugsöffnung durch einen Luftkanal verbunden ist, dessen innere Begrenzungsflächen luftundurchlässigen Flächen des Haubenschirms und der luftundurchlässigen Abdeckplatte sind, wobei die Begrenzungsflächen so geformt sind, dass die der spaltförmige Einzugsöffnung gegenüberliegenden Begrenzungsflächen einen in die spaltförmige Einzugsöffnung eintretenden Luftstrom um mindestens 45 Grad umlenken, wobei die umlenkenden Teile der der spaltförmige Einzugsöffnung gegenüberliegenden Begrenzungsflächen des Luftkanals zumindest teilweise von einem vom Rest des Haubenschirms und/oder der Abdeckplatte trenn- und wiedereinsetzbaren Einsatzteil bilden.According to the present invention, a vapor extraction device with edge suction is provided, which has at least one slit-shaped intake opening for sucked air, which extends along an outer Rands a central air-impermeable cover plate extends, a hood screen with at least one central air-permeable grease filter, which closes a flue or chimney, wherein at least a central portion of the grease filter (and the hood screen) is shielded in operation by the cover plate from a cooking area and the gap-shaped inlet opening is connected by an air channel, the inner boundary surfaces are impermeable surfaces of the hood shield and the airtight cover plate, wherein the boundary surfaces are shaped so that the gap-shaped intake opening opposite boundary surfaces deflecting a entering into the slit-shaped intake air flow by at least 45 degrees, wherein the deflecting parts the boundary surfaces of the air duct opposite the slot-shaped intake opening are at least partially separated from one from the rest of the hood screen and / or the cover plate form the reusable insert part.
Ein Element hat eine abschirmende bzw. abdeckende Wirkung im Sinne der Erfindung, wenn es die gradlinige Bewegung der Kochdünste vom Ort ihrer Entstehung, d.h. der Kochstelle, zum abgeschirmten Element unterbricht und somit die angesaugte Luft zwingt, einen Umweg durch die spaltförmige Einzugsöffnung zu machen.An element has a shielding effect within the meaning of the invention, if the rectilinear motion of the cooking fumes from the place of its formation, i. the hotplate, the shielded element interrupts and thus forces the sucked air to make a detour through the gap-shaped intake opening.
Die Dunstabzugsvorrichtung ist bevorzugterweise eine Dunstabzugshaube ohne beweglichen Auszug, also eine Dunstabzugshaube, bei der die Abdeckplatte und der Rest des Haubenschirms im Betrieb nicht relativ zueinander bewegt werden, bzw. bei der die spaltförmige Einzugsöffnung eine konstante Entfernung zum Fettfilter aufweist. Dennoch kann die Abdeckplatte an der Dunstabzugsvorrichtung beweglich gelagert oder trenn- und wieder einsetzbar befestigt sein, insbesondere in Ausführungsformen, bei welchen im betriebsbereiten Zustand das Einsatzteil teilweise von der Abdeckplatte abgedeckt wird, und die Trennung bzw. das Wiedereinsetzen des Einsatzteils durch die Abdeckplatte in ihrem geschlossenen betriebsbereiten Zustand blockiert wird. Bei einer solchen erfindungsgemässen Ausgestaltung von Abdeckplatte und Einsatzteil kann das Einsatzteil bei geschlossener, betriebsbereiter Stellung nicht von dem Rest der Dunstabzugsvorrichtung getrennt werden. Daher wird zur Reinigung zunächst die Abdeckplatte von einer Betriebslage in eine Wartungslage bewegt oder von der Dunstabzugsvorrichtung getrennt.The extractor device is preferably an extractor hood without moving extension, so a hood in which the cover plate and the rest of the hood screen are not moved during operation relative to each other, or in which the gap-shaped intake opening has a constant distance to the grease filter. Nevertheless, the cover plate on the extractor device can be movably mounted or disconnected and reusable mounted, in particular in embodiments in which the insert part is partially covered by the cover plate in the ready state, and the separation or re-insertion of the Insert is blocked by the cover plate in its closed ready state. In such an inventive embodiment of the cover plate and insert part, the insert part can not be separated from the rest of the extractor device in the closed, ready-for-use position. Therefore, for cleaning, first the cover plate is moved from an operating position to a maintenance position or separated from the extractor device.
Durch die Verwendung eines Einsatzteils können die Flächen, welche den Luftspalt begrenzen und an denen sich somit verstärkt Fettrückstände ablagern, mit dem Einsatzteil getrennt vom Rest des Dunstabzugs gereinigt werden. Dazu ist das Material des Einsatzteils bevorzugt spülmaschinenfest, z.B. aus Edelstahl oder einem widerstandsfähigen Kunststoff.Through the use of an insert, the surfaces which limit the air gap and thus deposit more fat residue, can be cleaned with the insert separately from the rest of the extractor. For this purpose, the material of the insert is preferably dishwasher safe, e.g. made of stainless steel or a durable plastic.
Das Einsatzteil weist bevorzugterweise magnetische Befestigungsmittel auf, welche das Einsatzteil auflösbare Weise mit dem Rest der Dunstabzugsvorrichtung verbinden. Die Befestigungsmittel sind bevorzugt so geformt, dass sie ein Verrutschen des Einsatzteils entlang des Haubenschirms verhindern. Das Einsatzteil weist dazu bevorzugterweise noch Positioniermittel auf, welche mit Positioniermitteln am Rest des Dunstabzugs zusammenwirken und die Position des Einsatzteil beim Einsetzen definieren und bevorzugterweise ein Verrutschen des Einsatzteils im eingesetzten Zustand verhindern. Diese Positioniermittel können beispielsweise einander angepasste positive und negative Profile oder Konturflächen auf dem Einsatzteil und den entsprechenden Kontaktflächen des Haubenschirms sein. In einer bevorzugten Ausführungsform sind die Befestigungsmittel und die Positioniermittel an einem Ort kombiniert.The insert preferably comprises magnetic fasteners which connect the insert releasably to the remainder of the extractor. The attachment means are preferably shaped to prevent slippage of the insert along the hood screen. For this purpose, the insert part preferably has positioning means which cooperate with positioning means on the remainder of the extractor hood and define the position of the insert part during insertion and preferably prevent slippage of the insert part in the inserted state. These positioning means may be, for example, matched positive and negative profiles or contour surfaces on the insert part and the corresponding contact surfaces of the hood screen. In a preferred embodiment, the fastening means and the positioning means are combined in one place.
Ist beispielsweise die Abdeckung in ihrer Wartungsposition oder vom Rest des Dunstabzugs getrennt, wird das Einsatzteil zugänglich und kann vom Benutzer durch einfachen Zug an der magnetischen Befestigung zur Reinigung von der Dunstabzugsvorrichtung getrennt werden. Zu diesem Zweck weist das Einsatzteil bevorzugterweise noch einen oder mehrere Griffe auf.For example, if the cover is in its maintenance position or separated from the remainder of the extractor, the insert becomes accessible and can be cleaned by the user by simply pulling on the magnetic fixture be separated from the extractor device. For this purpose, the insert preferably still has one or more handles.
In Ausführungsformen, bei denen die spaltförmige Einzugsöffnung länger ist und beispielsweise rund um die Abdeckplatte verläuft oder aus mehreren Teilstücken besteht, können anstelle eines Einsatzteils auch mehrere Einsatzteile verwendet werden. Bevorzugterweise sind die Einsatzteile baugleich und untereinander austauschbar. Ein längerer Abschnitt der Einzugsöffnung, beispielsweise ein rundumlaufender Einzugsspalt einer über der Kochstelle aufgehängten Dunstabzugshaube, kann somit zwei oder mehr identische Einsatzteile aufweisen.In embodiments in which the slot-shaped intake opening is longer and extends, for example, around the cover plate or consists of several sections, several insert parts can be used instead of an insert part. Preferably, the inserts are identical and interchangeable. A longer section of the intake opening, for example a circumferential intake gap of a cooker hood suspended over the cooking area, can thus have two or more identical insert parts.
Das Einsatzteil oder die Einsatzteile und der Fettfilter oder die Fettfilter der Dunstabzugsvorrichtung sind bevorzugterweise als separate Bauteile der Dunstabzugsvorrichtung ausgebildet. Es kann jedoch für manche Dunstabzugsvorrichtungen von Vorteil sein, wenn der Fettfilter und das Einsatzteil ein einziges Bauteil bilden, so dass das Einsatzteil eine vorzugsweise luftundurchlässige Verlängerung des Fettfilters bildet und mit diesem zum Reinigen vom Rest der Dunstabzugsvorrichtung getrennt wird.The insert part or the insert parts and the grease filter or the grease filter of the extractor device are preferably designed as separate components of the extractor device. However, it may be advantageous for some extractor devices if the grease filter and the insert form a single component, so that the insert forms a preferably air-impermeable extension of the grease filter and is separated with this for cleaning the rest of the extractor device.
Aufgrund seiner Funktion ist das Einsatzteil am Eingang des Luftkanals zum zentralen Fettfilter angeordnet. Es kann daher auch Fettabscheider, zum Beispiel in Form von Gittern aus Streckmetall, aufweisen, welche in den Luftkanal hineinreichen bzw. quer zum Luftkanal angeordnet sind.Due to its function, the insert is arranged at the entrance of the air duct to the central grease filter. It may therefore also have grease, for example in the form of meshes of expanded metal, which extend into the air duct or are arranged transversely to the air duct.
Besonders bevorzugt ist die Dunstabzugsvorrichtung gemäss dieser Erfindung eine Dunstabzugshaube mit umlaufender Randabsaugung und so ausgestaltet, dass sie im Betriebszustand oberhalb der Kochstelle angebracht wird. In dieser Ausführungsform ist die Abdeckplatte bevorzugterweise mittels Scharnieren mit dem Rest der Dunstabzugsvorrichtung verbunden und wird zur Reinigung der Einsatzteile vom Benutzer nach unten geklappt. Die erfindungsgemässe Vorrichtung lässt sich allerdings auch auf andere Arten von Dunstabzugsvorrichtungen anwenden, so zum Beispiel auf Tischhauben oder Downdrafthauben.Particularly preferably, the extractor device according to this invention, an extractor hood with peripheral edge suction and designed so that it is mounted in the operating state above the cooking position. In this embodiment, the cover plate is preferably connected by means of hinges with the rest of the extractor device and is the Cleaning the inserts folded down by the user. However, the device according to the invention can also be applied to other types of extractor devices, such as table hoods or downdraft hoods.
Bei grösseren Dunstabzugsvorrichtungen kann die Abdeckplatte auch aus mehreren Teilstücken bestehen.For larger extractor devices, the cover plate can also consist of several sections.
Die Dunstabzugsvorrichtung weist noch in bekannter Weise im Abzugsschacht oder Kamin ein Gebläse zum Erzeugen eines Unterdrucks auf. Sie kann ferner auch besonders im Umluftbetrieb noch weitere im Abzugsschacht gelagerte Filter aufweisen.The extractor device still has in a known manner in the exhaust duct or chimney on a blower for generating a negative pressure. Furthermore, it can also have further filters mounted in the exhaust duct, particularly in recirculation mode.
Weitere Ausgestaltungen, Vorteile und Anwendungen der Erfindung ergeben sich aus den abhängigen Ansprüchen und aus der nun folgenden Beschreibung anhand der Figuren. Dabei zeigen:
-
FIG. 1A und 1B eine perspektivische Ansicht einer bekannten Dunstabzugshaube mit Randabsaugung und beweglich aufgehängter Abdeckplatte im geschlossenen, betriebsbereiten Zustand (FIG. 1A ) bzw. im geöffneten, reinigungsbereiten Zustand (FIG. 1B ); -
FIG. 2A eine perspektivische Ansicht einer Dunstabzugshaube gemäss eines Beispiels der Erfindung im geöffneten, reinigungsbereiten Zustand; -
FIG. 2B ein Detail der Dunstabzugshaube inFIG. 2A ; -
FIG. 2C einen vertikalen Schnitt der Dunstabzugshaube inFIG. 2A ; -
FIG. 3A - 3C weitere Illustrationen der prinzipiellen Wirkungsweise der Erfindung; -
FIG. 4 die perspektivische Darstellung eines Einsatzteils gemäss eines Beispiels der Erfindung in drei verschiedenen Orientierungen; -
FIG. 5A - 5C verschiedene Stufen bei der Entnahme eines Einsatzteil zum Reinigen in schematischen Querschnitten bzw. einer perspektivischen Ansicht; und -
FIG. 6 und7 schematische Ansichten weiterer Beispiele gemäss der Erfindung.
-
FIG. 1A and 1B a perspective view of a known extractor hood with Randabsaugung and movably suspended cover plate in the closed, ready state (FIG. 1A ) or in the open, ready-to-clean state (FIG. 1B ); -
FIG. 2A a perspective view of an extractor hood according to an example of the invention in the open, ready for cleaning state; -
FIG. 2 B a detail of the hood inFIG. 2A ; -
FIG. 2C a vertical section of the hood inFIG. 2A ; -
FIG. 3A-3C further illustrations of the basic mode of operation of the invention; -
FIG. 4 the perspective view of an insert according to an example of the invention in three different orientations; -
FIG. 5A-5C different stages in the removal of an insert for cleaning in schematic cross-sections and a perspective view; and -
FIG. 6 and7 schematic views of further examples according to the invention.
Eine schematische perspektivische Vollansicht einer bekannten Dunstabzugshaube 10 wird in den
Der Haubenschirm 12 weist einen äusseren Rahmen 120 auf, welche auf einer Seite (in dem gezeigten Beispiel die Unterseite) über die zentrale innere Fläche hinausragt und so auf dieser Seite einen umlaufenden Rand bildet. Die Abdeckplatte 13 dient als eine luftundurchlässige Prallfläche, so dass im geschlossenen Zustand (
Zur Reinigung bzw. Wartung wird die Abdeckplatte 13 wie in
Die in
Die in
Auf der inneren Fläche des Haubenschirms 12 sind fünf baugleiche Einsatzteile 124 angebracht. Diese sind auf der Fläche bzw. den Flächen des Haubenschirms 12 zwischen den Fettfilter 123 und inneren Rand des umlaufenden Rahmens 120 angebracht. Zwei dieser Einsatzteile 124 in einer Ecke des Haubenschirms 12 sind in dem vergrösserten Ausschnitt von
Dieser Aspekt der Einsatzteile 124 ist ebenfalls in
Die übrigen Abschnitte oder Teile des umlaufenden Einzugsspalts 121 werden jedoch wie dargestellt von den Einsatzteilen 124 abgegrenzt, welche die Seitenflächen bzw. Begrenzungsflächen des Haubenschirms 12 in der unmittelbaren Umgebung dieser Abschnitte des Einzugsspalts 121 bilden.However, as shown, the remaining portions or portions of the circumferential nip 121 are delimited from the
Die Luftströme bei eingeschaltetem Gebläse 112 sind in
Entlang der übrigen Abschnitte des Einzugsspalts 121 wird die angesaugten Luft nach dem Passieren des Einzugsspalts 121 zunächst in dem Luftkanal 125 zwischen der inneren Begrenzungsfläche des Haubenschirms 12 und der Abdeckplatte 13 in Richtung des Kamins 11 befördert und passiert dort den Fettfilter 123. Es ist zu beobachten, dass die Luft, welche durch die übrigen Abschnitte des Einzugsspalts 121 tritt, unmittelbar nach dem Einzugsspalt eine Umlenkung erfährt.Along the remaining portions of the
In den schematischen
Dabei zeigt
Das Einsatzteil 124 von
In
Wie bereits im Zusammenhang mit
An dem ersten Querblech 124-1, welches im eingesetzten Zustand des Einsatzteils zumindest teilweise an dem Haubenschirm 12 anliegt, sind ebenfalls Teile einer magnetischen Halterung 124-4 in Form eines positiv geformten Profils montiert, mit denen das Einsatzteil 124 am Haubenschirm 12 (in einem entsprechend geformten negativen Profil) verankert wird.Parts of a magnetic support 124-4 in the form of a positively shaped profile are also mounted on the first cross-plate 124-1, which at least partially rests on the
Im Folgenden wird mit Hinweis auf die
Die Querschnittsansicht von
Die Querschnittsansicht von
In
Im Gegensatz zu den oben beschriebenen Beispielen weist das Beispiel nach
In dem Beispiel nach
In den beiden Beispielen nach
In
Der Wandbereich des Haubenschirms 12, welcher dem Einzugsspalt 121 gegenüberliegt, weist ein Einsatzteil 124 auf, in dem sich die Fettrückstände der angesaugten Luft, ablagern können. Das Einsatzteil 124 ist mittels einer magnetischen Verankerung 126 mit dem Rest des Haubenschirms 12 verbunden und kann durch Zug leicht vom Haubenschirm getrennt werden.The wall region of the
Es ist also klar darauf hinzuweisen, dass die Erfindung nicht auf die gezeigten Beispiele beschränkt ist und auch in anderer Weise innerhalb des Umfangs der folgenden Ansprüche ausgeführt werden kann.It is therefore to be understood that the invention is not limited to the examples shown and may be practiced otherwise within the scope of the following claims.
Claims (12)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201431836T SI2772695T1 (en) | 2014-06-27 | 2014-06-27 | Extractor hood |
EP14002209.6A EP2772695B1 (en) | 2014-06-27 | 2014-06-27 | Extractor hood |
AU2015203034A AU2015203034A1 (en) | 2014-06-27 | 2015-06-09 | Extractor hood |
CN201510359986.6A CN105299720B (en) | 2014-06-27 | 2015-06-26 | Withdrawal device cover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14002209.6A EP2772695B1 (en) | 2014-06-27 | 2014-06-27 | Extractor hood |
Publications (3)
Publication Number | Publication Date |
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EP2772695A2 true EP2772695A2 (en) | 2014-09-03 |
EP2772695A3 EP2772695A3 (en) | 2015-03-18 |
EP2772695B1 EP2772695B1 (en) | 2021-04-21 |
Family
ID=51032890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14002209.6A Active EP2772695B1 (en) | 2014-06-27 | 2014-06-27 | Extractor hood |
Country Status (4)
Country | Link |
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EP (1) | EP2772695B1 (en) |
CN (1) | CN105299720B (en) |
AU (1) | AU2015203034A1 (en) |
SI (1) | SI2772695T1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015100207A1 (en) * | 2015-01-09 | 2016-07-14 | Miele & Cie. Kg | Hood |
EP3045824A1 (en) * | 2015-01-16 | 2016-07-20 | Berbel Ablufttechnik Gmbh | Device for drawing off exhaust air above a cooker hob |
DE102015100557A1 (en) * | 2015-01-15 | 2016-07-21 | Miele & Cie. Kg | Hood |
DE102017201256A1 (en) | 2017-01-26 | 2018-07-26 | BSH Hausgeräte GmbH | Hood |
CN108870482A (en) * | 2017-05-15 | 2018-11-23 | 浙江睿尚电器股份有限公司 | Range hood and its three-dimensional air intake system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CA2245520A1 (en) * | 1997-08-25 | 1999-02-25 | North Star Technologies Limited | Air extraction |
CH704954B1 (en) * | 2004-08-04 | 2012-11-30 | V Zug Ag | Extractor hood to be placed over a hotplate. |
CN100516665C (en) * | 2006-08-18 | 2009-07-22 | 富士工业株式会社 | Oil smoke suction machine |
DE102008020149A1 (en) * | 2008-04-22 | 2009-10-29 | BSH Bosch und Siemens Hausgeräte GmbH | Filter unit for a fume extractor and fume extractor |
DE102010039408A1 (en) * | 2010-08-17 | 2012-02-23 | BSH Bosch und Siemens Hausgeräte GmbH | Air guiding unit for intake opening of an extractor hood |
DE102010039411A1 (en) * | 2010-08-17 | 2012-02-23 | BSH Bosch und Siemens Hausgeräte GmbH | Filter unit for an extractor hood and extractor hood |
DE102012222415A1 (en) * | 2012-12-06 | 2014-06-12 | BSH Bosch und Siemens Hausgeräte GmbH | Vapor fume hood for use in cooking field, has baffle plate that is arranged at viewing hood, and flat panel that is formed by front side of viewing hood in operating mode of main portion |
-
2014
- 2014-06-27 EP EP14002209.6A patent/EP2772695B1/en active Active
- 2014-06-27 SI SI201431836T patent/SI2772695T1/en unknown
-
2015
- 2015-06-09 AU AU2015203034A patent/AU2015203034A1/en not_active Abandoned
- 2015-06-26 CN CN201510359986.6A patent/CN105299720B/en active Active
Non-Patent Citations (1)
Title |
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None |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015100207A1 (en) * | 2015-01-09 | 2016-07-14 | Miele & Cie. Kg | Hood |
DE102015100207B4 (en) | 2015-01-09 | 2021-09-30 | Miele & Cie. Kg | Extractor hood |
DE102015100557A1 (en) * | 2015-01-15 | 2016-07-21 | Miele & Cie. Kg | Hood |
EP3045824A1 (en) * | 2015-01-16 | 2016-07-20 | Berbel Ablufttechnik Gmbh | Device for drawing off exhaust air above a cooker hob |
DE102017201256A1 (en) | 2017-01-26 | 2018-07-26 | BSH Hausgeräte GmbH | Hood |
EP3574265B1 (en) * | 2017-01-26 | 2022-03-23 | BSH Hausgeräte GmbH | Extractor hood |
CN108870482A (en) * | 2017-05-15 | 2018-11-23 | 浙江睿尚电器股份有限公司 | Range hood and its three-dimensional air intake system |
Also Published As
Publication number | Publication date |
---|---|
CN105299720B (en) | 2019-10-11 |
SI2772695T1 (en) | 2021-07-30 |
EP2772695B1 (en) | 2021-04-21 |
CN105299720A (en) | 2016-02-03 |
AU2015203034A1 (en) | 2016-01-21 |
EP2772695A3 (en) | 2015-03-18 |
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