EP3869107A1 - Assembly unit comprising a hotplate and steam extractor - Google Patents

Assembly unit comprising a hotplate and steam extractor Download PDF

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Publication number
EP3869107A1
EP3869107A1 EP21168165.5A EP21168165A EP3869107A1 EP 3869107 A1 EP3869107 A1 EP 3869107A1 EP 21168165 A EP21168165 A EP 21168165A EP 3869107 A1 EP3869107 A1 EP 3869107A1
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EP
European Patent Office
Prior art keywords
hob
underside
hand
fan
central
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
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EP21168165.5A
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German (de)
French (fr)
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EP3869107B1 (en
Inventor
Wilhelm Bruckbauer
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to EP23165982.2A priority Critical patent/EP4224071A3/en
Priority to EP22157724.0A priority patent/EP4019851A1/en
Priority to PL21168165T priority patent/PL3869107T3/en
Publication of EP3869107A1 publication Critical patent/EP3869107A1/en
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Publication of EP3869107B1 publication Critical patent/EP3869107B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft
    • 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
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2035—Arrangement or mounting of filters

Definitions

  • the present invention relates to a hob with the features specified in claim 1.
  • a hob is known from the prior art which has elongated, rectangular slots on both sides and on the rear next to the hob, through which the cooking vapors produced in the area of the hob are sucked off downwards.
  • This hob known from the prior art with suction slots provided on both sides and on the back is particularly disadvantageous because there the worktop carrying the hob - at least immediately to the side of the hob - cannot be fully used for storage purposes or the like.
  • This cooktop which belongs to the state of the art, with suction slits provided on both sides and on the rear, is also disadvantageous because the two side and rear suction flows - especially in the particularly important area of the center of the hob - cancel each other completely or at least partially, so that there Cooking vapors that arise are not exposed to any effective suction flow and can consequently spread and rise unhindered.
  • Another disadvantage of this prior art cooktop with suction slots provided on both sides and on the back is that there are significant manufacturing costs and material costs - in particular because of the design of the three suction devices and the associated exhaust duct system. The maintenance costs are also particularly high with this known cooktop, especially since three (! Grease filters have to be serviced there.
  • the object of the present invention is therefore to provide a hob with a device for extracting cooking vapors in a direction lying vertically below the level of the hob, which does not occupy the surfaces on both sides and to the rear of the hob on the worktop supporting the hob, but for Can be used for storage purposes or the like, which reliably avoids the rising and spreading of cooking fumes in the central area of the hob as well as in its edge areas, which causes particularly low manufacturing, assembly, maintenance and operating costs, which does not require a separate installation frame for attachment to the surrounding worktop required, which is particularly efficient in relation to the electrical energy used for the extraction and whose noise development is very low during operation.
  • the present invention accordingly relates to a hob (1) with one or more hotplates (2) which - in a plan view - only in the area (25) has one or more recesses (4) around its geometric center of gravity (3) - but not in its edge regions.
  • These recesses (4) are usually connected to one or more devices (5) for extracting cooking vapors, these devices (5) for extracting cooking vapors in the cooking vapors that have arisen over or above the hotplates (2) Pull down vertically below the hob (1) in the direction pointing downwards.
  • the shape of the one or more recesses (4) - in a plan view - can preferably be round or oval or square or rectangular or polygonal or star-shaped.
  • the area of the recess (4) of the hob (5) can, for example, be in the range from 50 cm 2 to 500 cm 2 , preferably in the range from 60 cm 2 to 400 cm 2 , in particular in the range from 70 cm 2 to 300 cm 2 , lie.
  • each recess (4) of the hob (1) can be reversibly closed and opened manually and / or by means of an electric or pneumatic drive over the entire surface or in sectors.
  • a one-part or multi-part grease filter insert (6) can be inserted into each recess (4) of the hob (1).
  • This grease filter insert (6) is usually surrounded by an exhaust air duct (9) at the side and / or below.
  • the grease filter insert (6) is preferably tightly connected to the edge area of the recess (4) of the hob (1).
  • the grease filter insert (6) can, for example, have a cross-section in the shape of a letter U (see Figures 2 , 3 , 6th and 7th ) be trained.
  • the grease filter insert (6) can be used to enlarge the filter surface and reduce the flow speed and thus improve the effect of the grease filter insert (6) - for example in the form of a letter U with a bag-shaped or cap-shaped widening (17) (see Figure 5 ) its lower region to the side and / or in the downstream direction.
  • the wall areas of the grease filter insert (6) can have suction openings (7) with grease filters (8) integrated therein or - at least in some areas - be designed in the manner of a gas-permeable grease filter (6).
  • the bottom area of the grease filter insert (6) can be designed in the form of a collecting tray (10) - for collecting liquid (11) that has entered the recess (4) of the hob (1).
  • a collecting tray (10) for collecting liquid (11) that has entered the recess (4) of the hob (1).
  • both the side walls of the grease filter insert (6) and its bottom be permeable to cooking vapors.
  • a liquid barrier (13) raised above the level of the underside (12) of the exhaust air duct (9) may be provided.
  • the grease filter insert (6) can be designed, for example, in the form of a grease filter plate (16) that covers the cross section of the exhaust air duct (9) and is inclined below the central recess (4) of the hob - or just downstream thereof.
  • the central recess (4) of the hob (1) can be closed over the entire surface, for example by means of a lid-shaped closure element (18) reversibly adjustable in the vertical direction for opening and closing purposes - for odor trap.
  • a lid-shaped closure element (18) reversibly adjustable in the vertical direction for opening and closing purposes - for odor trap.
  • two or more flexible spring legs (19) with snap-in grooves (20) for snap-in of projections (21) of the grease filter insert (6), the exhaust air duct (9) or the central recess (4) be provided.
  • two or more rigid legs (19) with snap-in grooves (20) for engaging resilient projections (21) of the grease filter insert (6), the exhaust air duct (9) or on the underside of the closure element (18) the central recess (4) be provided.
  • the central recess (4) of the hob (1) can be closed by means of a cross-sectionally Y- or V-shaped closing element (22) reversibly adjustable in the vertical direction for opening purposes and for closing purposes.
  • the undersides of this Y- or V-shaped closure element (22) can serve as flow-optimizing flow guide surfaces for the cooking vapors to be extracted.
  • the Y- or V-shaped locking element (22) can preferably be vertically reversibly adjustable by means of an eccentric disk or a lever mechanism or a thread (23).
  • closure elements (26) can be reversibly opened and closed, for example, manually and / or electrically.
  • the edge of the central recess (4) of the hob (1) - as overflow protection - a circumferential protruding over the plane of the hob (1) and formed by the exhaust duct connection and / or by the grease filter insert suspension device Wear a wrap (24).
  • each lamella closure (30) comprises one or more lamellae (31), the longitudinal axes (32) of which are preferably aligned horizontally.
  • each lamella (31) around a horizontal pivot axis (33) at an angle ⁇ be reversibly pivotable back and forth, which is, for example, in a range from 0 ° to 180 °, preferably in a range from 0 ° to 110 °, in particular in a range from 0 ° to 90 °.
  • the lamella closure (30) can be reversibly rotatable, for example, about its vertical axis (34) at an angle ⁇ .
  • This angle ⁇ can, for example, be in the range from 0 ° to 360 ° without limitation, such as in particular Figure 10 can be seen, the level of the lamellar shutter (30) can be just above the level of the hob (1).
  • the plane of the lamella closure (30) can be approximately at the vertical height of the hob (1).
  • the plane of the lamella closure (30) can also be provided below the hob (1).
  • the lamella closure (30) can be removed from the central recess (4) of the hob (1) for cleaning purposes.
  • the present invention also relates to a hob (1) with a central recess (4), which is in the form of an assembly unit with a device (36) attached to its underside (35) for operating the hob (1) and for extracting cooking fumes is designed downward and can be quickly and easily inserted into a recess of the kitchen worktop (54) designed to match its dimensions.
  • the device (36) - following one after the other in the vertical direction - on the underside (35) of the hob (1) has a housing (44) for the heating or hob heating and control electronics, a fan housing (48) for two or more radial fans (38) and one or more cooking vapors suction chambers (39) - for horizontal, outwardly directed cooking vapors forwarding and for providing the cooking vapors flow for a vertically upward suction through the in the vertically higher fan housing (48) provided radial fan (38) - may include.
  • a particular advantage of this hob (1) designed according to the invention is that the distance (40) between the underside (35) of the hob (1) on the one hand and the underside of the bottom (42) of the cooking vapors suction chambers (39) on the other hand is in one area from only 110 mm to 260 mm,) preferably in a range from 140 mm to 230 mm, in particular in a range from 150 mm to 200 mm.
  • a tubular exhaust air line (50) oriented vertically downwards can be provided, for example, downstream of the central recess (4) of the hob (1) be.
  • a hollow cylindrical grease filter (6) reversible - removable upwards for cleaning purposes through the central recess (4) of the hob (1) - can be provided downstream of the exhaust air line (50).
  • the upper edge area (51) of the hollow cylindrical grease filter (6) can lie tightly against the inner wall of the lower section (52) of the tubular exhaust air line (50).
  • the lower edge area (53) of the hollow cylindrical grease filter (6) can protrude above the lower section (52) of the tubular exhaust air line (50) oriented vertically downwards.
  • the hob (1) according to the invention designed in the form of an assembly unit with a device (36), downstream of the hollow cylindrical grease filter (6) and laterally and horizontally on the outside of this two or more deep cooking vapor suction chambers (39) to the horizontal, outward discharge of cooking vapors (63) which have passed through the grease filter (6).
  • Figures 14 and 16 show that in the middle areas (59) of the vertically overhead ceilings (60) of the cooking vapors suction chambers (39) two or more recesses (61) - for the bottom-up passage of the cooking vapors (63) to the downstream of the Radial fans (38) provided for recesses (61) - can be provided.
  • the radial fan motors (56) can be centered over the recesses (61) belonging to them in the central areas (59) of the ceilings (60) of the cooking vapors suction chambers (39), on the underside (45) of the Housing (44) for the heating or hob heating and control electronics.
  • the housing (44) for the heating or hob heating and control electronics for example, the hob heating elements (37), the power electronics (55) for the fan motors (56) and touch control operating elements (57 ) must be included (see Figure 12 ).
  • a device mains connection (58) can be provided (see FIG Figure 13 ).
  • FIGS 14 and 16 show that the axes of rotation (62) of the radial fan motors (56) can be aligned vertically and that the cooking vapors (63) collected vertically upwards by the rotating fan wheel (65) into the above the respective suction chamber (39) Fan housing (48) can be transported.
  • the fan housing (48) can - in plan view - have a spiral structure with an upstream guide chamber (66) and a downstream discharge chamber (67).
  • a space (68) adjoining all the exhaust chambers (67) of the radial fans (38) can be provided for dividing and aligning the cooking vapors exhaust streams (69).
  • This space (68) can, for example, have two or more air guide surfaces (70). These air guide surfaces (70) can preferably be arranged and shaped in such a way that the odor filter (71) provided downstream of the partitioning space (68) - in relation to its total area - is evenly blown by the cooking vapors exhaust streams (69).
  • a bellows (72) which is flexible in the horizontal and / or in the vertical direction can be provided for flexible and vibration- and noise-decoupled connection to a downstream exhaust duct or kitchen body.
  • the cooking vapors (63) can pass the hollow cylindrical grease filter insert (6) at a speed in the range from 1.0 m / sec to 4.5 m / sec, preferably in the range from 1.15 m / sec to 4.25 m / sec, in particular in the range from 1.75 m / sec to 4.0 m / sec.
  • the cooking vapors (63) can pass the odor filter (71) at a speed in the range from 0.5 m / sec to 3.0 m / sec, preferably in the range from 0.7 m / sec to 2.7 m / sec, in particular in the range from 1.0 m / sec to 2.5 m / sec.
  • the distance (43) between the underside (35) of the hob (1) on the one hand and the underside (45) of the housing (44) for the heating or hob heating and control electronics on the other hand can be in a range of 45 mm up to 80 mm.
  • the distance (46) between the underside (45) of the housing (44) for the heating or hob heating and control electronics on the one hand and the underside (47) of the fan housing (48) on the other hand can be in a range of 60 mm to 100 mm.
  • the distance (49) between the underside (47) of the fan housing (48) on the one hand and the underside of the bottom (42) of the cooking vapor suction chamber (39) on the other hand can be, for example, in a range from 45 mm to 80 mm.
  • two radial fans (38) can - in a plan view - be positioned in the fan housing (48) on both sides of the tubular exhaust air line (50) provided downstream of the central hob recess (4).
  • the directions of rotation (73) of the two fan wheels (65) of these two radial fans (38) are then preferably opposite to one another: according to FIG Figure 15 can - in a plan view - the left fan wheel (65) can be driven counterclockwise in rotation, while - in a plan view - The right fan wheel (65) can then be driven in a clockwise rotation.
  • the two blow-out chambers (67) of the two radial fans (38) can be adjacent to the central exhaust air line (50).
  • FIG 14 shows that - in a top view - the central base area (74) located inside the hollow cylindrical grease filter (6) at least opposite the lateral bases (42) of the two suction chambers (39) provided on both sides of this central base area (74) with the formation of a stop (75) for the lower edge region (53) of the hollow cylindrical grease filter (6) can be at least slightly lowered.
  • the central bottom area (74) - for collecting and catching overflowing liquid - can be designed to be inclined towards a central or edge-side depression (76). In this case, there is a particularly user-friendly way of accessing the central floor area (74) for cleaning purposes.
  • a hob with a device for extracting cooking vapors is provided in a direction vertically below the plane of the hob.
  • a cooking fume extractor device is combined with a hob to form a component for the first time, which results in particularly low manufacturing and assembly costs.
  • the hob (1) according to the invention in the area of its geometric center of gravity (3) has a recess (4), which is round or oval or square in plan view, for a device (5) for extracting cooking vapors in vertically below the hob (1) pointing downwards, the surfaces located on both sides and to the rear of the hob can now for the first time be used without restriction on the worktop carrying the hob for storage purposes or the like.
  • the device (5) for extracting cooking vapors is now provided centrally in the area of the geometric center of gravity (3) of the hob (1), suction currents that are sufficiently strong and do not cancel each other act on the entire area of the hob (1). This reliably prevents cooking vapors from rising and spreading both in the central area of the hob and in its edge areas.
  • Particular advantages of the hob (1) according to the invention can also be seen in the fact that its production, assembly, maintenance and operating costs are particularly low.
  • Another advantage of the hob (1) according to the invention is that the electrical energy used for the suction is used particularly efficiently, which is why the efficiency of the hob (1) according to the invention is particularly high.
  • Another advantage of the hob (1) according to the invention lies in the fact that the development of noise is very low even during the cooking fume extraction operation.
  • the hob (1) according to the invention designed in the form of an assembly unit with a device (36)
  • its overall height is particularly low, as a result of which the unimpeded space in the kitchen body is pronounced.
  • Another particular advantage of the hob (1) according to the invention, which is designed in the form of an assembly unit with a device (36) is its compactness and the fact that it can be completely preassembled in the factory. This means that the planning and installation effort is particularly low.
  • a particular advantage of the hob (1) according to the invention is that it provides effective protection against and insensitivity to overflowing liquid that has penetrated through the central recess (4) - up to a volume of 5 I- offers. Because the fan motors (56) are suspended from the bottom (45) of the housing (44) for the heating or hob heating and control electronics, the tub-like volume of the lowest-lying cooking vapor suction chamber (39) is basically used to hold overflow liquid with the exclusion of any risk to the fan motors (56).

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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)
  • Cookers (AREA)
  • Baking, Grill, Roasting (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)

Abstract

Montageeinheit mit einem Kochfeld (1) und einer Vorrichtung (36) zum Betreiben eines Kochfeldes (1) und zum Abzug von Kochdünsten nach unten.Assembly unit with a hob (1) and a device (36) for operating a hob (1) and for extracting cooking vapors downwards.

Description

Die vorliegende Erfindung betrifft ein Kochfeld mit den im Patentanspruch 1 angegebenen Merkmalen.The present invention relates to a hob with the features specified in claim 1.

Aus dem Stand der Technik ist ein Kochfeld bekannt, welches beidseitig und rückseitig neben dem Kochfeld längliche, rechteckige Schlitze aufweist, durch welche die im Bereich des Kochfeldes entstehenden Kochdünste nach unten abgesaugt werden.
Dieses aus dem Stand der Technik bekannte Kochfeld mit beidseitig und rückseitig hiervon vorgesehenen Absaugschlitzen ist insbesondere deswegen nachteilig, weil dort die das Kochfeld tragende Arbeitsplatte - zumindest unmittelbar seitlich von dem Kochfeld - nicht vollständig für Abstellzwecke oder ähnliches nutzbar ist.
Dieses zum Stand der Technik gehörende Kochfeld mit beidseitig und rückseitig hiervon vorgesehenen Absaugschlitzen ist auch deswegen nachteilig, weil sich die beiden seitlichen und die rückwärtige Absaugströmungen - vor allem im besonders bedeutsamen Bereich des Zentrums des Kochfeldes - gegenseitig vollständig oder zumindest teilweise aufheben, so dass dort entstehende Kochdünste keiner effektiven Absaugströmung ausgesetzt sind und sich folglich ungehindert ausbreiten und aufsteigen können.
Ein weiterer Nachteil dieses aus dem Stand der Technik hervorgehenden Kochfeldes mit beidseitig und rückseitig hiervon vorgesehenen Absaugschlitzen besteht darin, dass dort ausgeprägte Herstellungskosten und Materialkosten - insbesondere wegen der Ausbildung der drei Absaugvorrichtungen und dem mit diesen in Verbindung stehenden Abluftkanal-System - anzusetzen sind.
Auch die Wartungskosten sind bei diesem bekannten Kochfeld besonders hoch, insbesondere da dort drei (!) Fettfilter zu warten sind.
Da bei diesem bekannten Kochfeld mit beidseitig und rückseitig hiervon vorgesehenen Absaugschlitzen - bei Aktivierung der Kochdunstabsaugung - über alle Absaugschlitze gleichzeitig starke Absaugströme freigesetzt werden, ist dort der Energieaufwand für eine Kochdunstabsaugung besonders hoch, weshalb die Effizienz dieses bekannten Kochfeldes auffallend gering ist.
Aufgrund der dort erforderlichen drei starken Absaugströme ist dort auch die Lärmbelastung durch Strömungsgeräusche und Lüftermotoren des Absaug-Systemes ausgeprägt.
Ein weiterer wesentlicher Nachteil des bekannten Kochfeldes mit beidseitig und rückseitig hiervon vorgesehenen Kochdunst-Absaugschlitzen besteht darin, dass dort eine material- und zeitintensive Montage des Kochfeldes an der das Kochfeld tragenden Arbeitsplatte - unter Überbrückung der beidseitigen und rückwärtigen Kochdunst-Absaugschlitze - mittels eines separaten Einbaurahmens erforderlich ist.A hob is known from the prior art which has elongated, rectangular slots on both sides and on the rear next to the hob, through which the cooking vapors produced in the area of the hob are sucked off downwards.
This hob known from the prior art with suction slots provided on both sides and on the back is particularly disadvantageous because there the worktop carrying the hob - at least immediately to the side of the hob - cannot be fully used for storage purposes or the like.
This cooktop, which belongs to the state of the art, with suction slits provided on both sides and on the rear, is also disadvantageous because the two side and rear suction flows - especially in the particularly important area of the center of the hob - cancel each other completely or at least partially, so that there Cooking vapors that arise are not exposed to any effective suction flow and can consequently spread and rise unhindered.
Another disadvantage of this prior art cooktop with suction slots provided on both sides and on the back is that there are significant manufacturing costs and material costs - in particular because of the design of the three suction devices and the associated exhaust duct system.
The maintenance costs are also particularly high with this known cooktop, especially since three (!) Grease filters have to be serviced there.
Since in this known hob with suction slits provided on both sides and on the back - when the cooking fume suction is activated - strong suction currents are released simultaneously via all suction slits, this is where the Energy consumption for a cooking fume extraction is particularly high, which is why the efficiency of this known hob is noticeably low.
Due to the three strong suction flows required there, the noise pollution from flow noises and fan motors of the suction system is also pronounced.
Another major disadvantage of the known hob with cooking vapors extraction slots provided on both sides and back is that there is a material and time-consuming assembly of the hob on the worktop supporting the hob - bridging the cooking vapors extraction slots on both sides and rear - by means of a separate installation frame is required.

Aufgabe der vorliegenden Erfindung ist daher die Bereitstellung eines Kochfeldes mit einer Einrichtung zum Abzug von Kochdünsten in vertikal unterhalb der Ebene des Kochfeldes liegender Richtung, welches die auf beiden Seiten und rückwärtig von dem Kochfeld befindlichen Flächen auf der das Kochfeld tragenden Arbeitsplatte nicht beansprucht, sondern für Abstellzwecke oder ähnliches nutzbar lässt, welches sowohl im zentralen Bereich des Kochfeldes als auch in dessen Randbereichen ein Aufsteigen und Ausbreiten von Kochdünsten sicher vermeidet, welches besonders niedrige Herstellungs-, Montage-, Wartungs- und Betriebskosten verursacht, welches keinen separaten Einbaurahmen zur Anbringung an die umgebende Arbeitsplatte benötigt, welches in Bezug auf die für die Absaugung eingesetzte elektrische Energie besonders effizient ist und deren Geräuschentwicklung während des Betriebes sehr gering ist.The object of the present invention is therefore to provide a hob with a device for extracting cooking vapors in a direction lying vertically below the level of the hob, which does not occupy the surfaces on both sides and to the rear of the hob on the worktop supporting the hob, but for Can be used for storage purposes or the like, which reliably avoids the rising and spreading of cooking fumes in the central area of the hob as well as in its edge areas, which causes particularly low manufacturing, assembly, maintenance and operating costs, which does not require a separate installation frame for attachment to the surrounding worktop required, which is particularly efficient in relation to the electrical energy used for the extraction and whose noise development is very low during operation.

Erfindungsgemäß wird diese Aufgabe bei einer gattungsgemäßen Vorrichtung durch die im kennzeichnenden Teil des Patentanspruches 1 angegebenen Merkmale gelöst. Besonders bevorzugte Ausführungsformen sind Gegenstand der Unteransprüche. Ausführungsbeispiele werden anhand der Zeichnungen näher beschrieben. Es zeigen:

  • Figur 1 eine Draufsicht auf ein erfindungsgemäßes Kochfeld (1) mit zentraler Aussparung (4) für eine Vorrichtung (5) zum Abzug von Kochdünsten nach unten;
  • Figur 2 einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der in Figur 1 dargestellten Linie A-A mit einem Fettfilter-Einsatz (6), welcher in seinem Bodenbereich eine Auffangschale (10) für durch die zentrale Aussparung (4) eingetretene Flüssigkeit aufweist und dessen darüber befindliche, seitliche Wände für die eingesaugten Kochdünste in Richtung des Abluft-Kanales (9) permeabel sind;
  • Figur 3 einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der in Figur 1 dargestellten Line B-B mit einem Fettfilter-Einsatz (6), dessen seitliche Wände und dessen Boden für die eingesaugten Kochdünste in Richtung des Abluft-Kanales (9) permeabel sind, wobei die Unterseite (12) des Abluft-Kanales (9) unterhalb des Bereiches der zentralen Aussparung (4) in Form eines Auffang-Beckens (15) für Flüssigkeiten (11) ausgebildet ist;
  • Figur 4 einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der in Figur 1 dargestellten Linie B-B mit einer schrägstehenden, plattenförmigen Fettfilter-Platte (16), welcher den Querschnitt des Abluft-Kanales (9) überdeckt und unterhalb der zentralen Aussparung (4) des Kochfeldes (1) vorgesehen ist;
  • Figur 5 einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der in Figur 1 dargestellten Linie B-B mit einem Fettfilter-Einsatz (6), welcher in Form eines Buchstabens U mit mützenförmiger Aufweitung (17) des unteren Bereichs hiervon in stromabwärtiger Richtung und kochdunst-permeabel ausgebildet ist;
  • Figur 6 einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der in Figur 1 dargestellten Linie B-B, wobei die zentrale Aussparung (4) des Kochfeldes (1) mittels eines in vertikaler Richtung reversibel verstellbaren, deckelförmigen Verschließ-Elementes (18) verschließbar und öffenbar ist, wobei an der Unterseite des Verschließ-Elementes zwei flexible Federbeine (19) mit Einrast-Rillen (20) zum Einrasten von Vorsprüngen (21) des Fettfilter-Einsatzes (6) vorgesehen sind;
  • Figur 7 einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der In Figur 1 dargestellten Linie B-B, wobei die zentrale Aussparung (4) des Kochfeldes (1) mittels eines in vertikaler Richtung reversibel verstellbaren Y-förmigen Verschließ-Elementes (18) verschließbar und öffenbar ist, wobei die Unterseite dieses Y-förmigen Verschließ-Elementes (22) für die angesaugten Kochdünste als strömungsoptimierende Strömungsleitfläche dient und das Y-förmige Verschließ-Element (22) mittels eines Gewindes (23) vertikal verstellbar ist;
  • Figur 8 eine schematische Draufsicht auf ein erfindungsgemäßes Kochfeld (1), welches in dem Bereich (25) des geometrischen Flächenschwerpunktes (3) des Kochfeldes (1) eine Aussparung (4) des Kochfeldes (1) aufweist, die-zur Steuerung der Richtung (27) der Kochdunst-Absaugung in Abhängigkeit von der Richtung der jeweils Kochdunst erzeugenden Kochstelle (2) sowie zur Einsparung der für die Vorrichtung (5) zum Abzug von Kochdünsten aufzubringenden Lüfter-Energie - ein oder mehrere sektorartige, reversibel verschließbare und öffenbare Verschlusselemente (26) umfasst;
  • Figur 9 eine schematische Draufsicht auf ein erfindungsgemäßes Kochfeld (1), dessen zentrale Aussparung (4) einen Lamellenverschluss (30) trägt;
  • Figur 10 einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der in Figur 9 dargestellten Linie B-B, wobei die zentrale Aussparung (4) des Kochfeldes (1) mittels eines knapp oberhalb der Ebene des Kochfeldes (1) vorgesehenen Lamellenverschlusses (30) mit schwenkbaren Lamellen (31) reversibel verschließbar ist;
  • Figur 11 Figur einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der in Figur 9 dargestellten Linie B-B, wobei die zentrale Aussparung (4) des Kochfeldes (1) mittels eines knapp unterhalb der Ebene des Kochfeldes (1) vorgesehenen Lamellenverschlusses (30) mit schwenkbaren Lamellen (31) reversibel verschließbar ist;
  • Figur 12 eine schematische, perspektivische Ansicht von schräg oben eines erfindungsgemäßen Kochfeldes (1) mit einer zentralen Aussparung (4) des Kochfeldes (1), wobei das Kochfeld (1) in Form einer Montageeinheit mit einer an der Unterseite (35) des Kochfeldes (1) vorgesehenen Vorrichtung (36) zum Betreiben des Kochfeldes (1) und zum nach unten gerichteten Abzug von Kochdünsten ausgebildet ist;
  • Figur 13 eine schematische, perspektivische Ansicht von schräg des in Figur 12 dargestellten erfindungsgemäßen Kochfeldes (1) mit einer zentralen Aussparung (4) des Kochfeldes (1), wobei das Kochfeld (1) in Form einer Montageeinheit mit einer an der Unterseite (35) des Kochfeldes (1) vorgesehenen Vorrichtung (36) zum Betreiben des Kochfeldes (1) und zum nach unten gerichteten Abzug von Kochdünsten ausgebildet ist;
  • Figur 14 einen schematischen Längsschnitt entlang der Linie A-A der in Figur 15 dargestellten Montageeinheit aus einem Kochfeld (1) und einer Vorrichtung (36) zum Betreiben des Kochfeldes (1) und zum nach unten gerichteten Abzug von Kochdünsten;
  • Figur 15 eine schematische Draufsicht auf eine erfindungsgemäße Montageeinheit aus einem Kochfeld (1) und einer Vorrichtung (36) zum Betreiben des Kochfeldes (1) und zum nach unten gerichteten Abzug von Kochdünsten, wobei zur Verbesserung der Klarheit der Darstellung das Kochfeld (1) abgenommen ist;
  • Figur 16 einen schematischen Längsschnitt entlang der Linie B-B der in Figur 15 dargestellten Montageeinheit aus einem Kochfeld (1) und einer Vorrichtung (36) zum Betreiben des Kochfeldes (1) und zum nach unten gerichteten Abzug von Kochdünsten;
  • Figur 17 eine schematische Ansicht eines hohlzylindrischen Fettfilters (6), welcher lediglich mit einem einzigen Abluft-Lüfter (38) in Verbindung steht;
  • Figur 18 eine schematische Ansicht eines hohlzylindrischen Fettfilters (6), welcher mit zwei einander gegenüberliegenden Abluft-Lüftern (38) in Verbindung steht.
According to the invention, this object is achieved in a device of the generic type by the features specified in the characterizing part of patent claim 1. Particularly preferred embodiments are the subject of the subclaims. Exemplary embodiments are described in more detail with reference to the drawings. Show it:
  • Figure 1 a plan view of an inventive hob (1) with a central recess (4) for a device (5) for extracting cooking vapors downwards;
  • Figure 2 a schematic cross section of a hob (1) according to the invention along the in Figure 1 Line AA shown with a grease filter insert (6), which in its bottom area has a collecting tray (10) for liquid that has entered through the central recess (4) and its lateral walls above it for the cooking vapors sucked in in the direction of the exhaust air duct ( 9) are permeable;
  • Figure 3 a schematic cross section of a hob (1) according to the invention along the in Figure 1 Line BB shown with a grease filter insert (6), the side walls and bottom of which are permeable to the cooking vapors sucked in in the direction of the exhaust air channel (9), the underside (12) of the exhaust air channel (9) below the area the central recess (4) is designed in the form of a collecting basin (15) for liquids (11);
  • Figure 4 a schematic cross section of a hob (1) according to the invention along the in Figure 1 line BB shown with an inclined, plate-shaped grease filter plate (16) which covers the cross section of the exhaust air duct (9) and is provided below the central recess (4) of the hob (1);
  • Figure 5 a schematic cross section of a hob (1) according to the invention along the in Figure 1 line BB shown with a grease filter insert (6) which is designed in the form of a letter U with a cap-shaped widening (17) of the lower region thereof in the downstream direction and permeable to cooking vapor;
  • Figure 6 a schematic cross section of a hob (1) according to the invention along the in Figure 1 line BB shown, the central recess (4) of the hob (1) being closable and openable by means of a cover-shaped closure element (18) which is reversibly adjustable in the vertical direction, with two flexible spring legs (19) on the underside of the closure element with latching grooves (20) for latching projections (21) of the grease filter insert (6) are provided;
  • Figure 7 a schematic cross section of a hob (1) according to the invention along the In Figure 1 line BB shown, the central recess (4) of the hob (1) being closable and openable by means of a Y-shaped closing element (18) reversibly adjustable in the vertical direction, the underside of this Y-shaped closing element (22) serves as a flow-optimizing flow guide surface for the cooking vapors drawn in and the Y-shaped closure element (22) is vertically adjustable by means of a thread (23);
  • Figure 8 a schematic top view of a hob (1) according to the invention, which has a recess (4) of the hob (1) in the area (25) of the geometric center of gravity (3) of the hob (1), which - for controlling the direction (27) the cooking fume extraction, depending on the direction of the cooking area (2) generating the cooking fumes, as well as for saving the fan energy to be applied for the device (5) for extracting cooking fumes - comprises one or more sector-like, reversibly lockable and openable closure elements (26) ;
  • Figure 9 a schematic plan view of a hob (1) according to the invention, the central recess (4) of which carries a lamella closure (30);
  • Figure 10 a schematic cross section of a hob (1) according to the invention along the in Figure 9 line BB shown, the central recess (4) of the hob (1) being reversibly closable by means of a lamella closure (30) with pivotable lamellae (31) provided just above the level of the hob (1);
  • Figure 11 Figure shows a schematic cross section of a hob (1) according to the invention along the in Figure 9 line BB shown, the central recess (4) of the hob (1) being reversibly closable by means of a lamella closure (30) with pivotable lamellae (31) provided just below the level of the hob (1);
  • Figure 12 a schematic, perspective view obliquely from above of an inventive Hob (1) with a central recess (4) of the hob (1), the hob (1) in the form of an assembly unit with a device (36) provided on the underside (35) of the hob (1) for operating the hob ( 1) and is designed for the downward extraction of cooking vapors;
  • Figure 13 a schematic, perspective view obliquely of the in Figure 12 hob (1) according to the invention shown with a central recess (4) of the hob (1), the hob (1) in the form of an assembly unit with a device (36) provided on the underside (35) of the hob (1) for operating the Hob (1) and is designed for the downward extraction of cooking vapors;
  • Figure 14 a schematic longitudinal section along the line AA of FIG Figure 15 The assembly unit shown consists of a hob (1) and a device (36) for operating the hob (1) and for extracting cooking vapors in a downward direction;
  • Figure 15 a schematic plan view of an assembly unit according to the invention comprising a hob (1) and a device (36) for operating the hob (1) and for the downward extraction of cooking fumes, the hob (1) being removed to improve the clarity of the illustration;
  • Figure 16 a schematic longitudinal section along the line BB in FIG Figure 15 The assembly unit shown consists of a hob (1) and a device (36) for operating the hob (1) and for extracting cooking vapors in a downward direction;
  • Figure 17 a schematic view of a hollow cylindrical grease filter (6) which is only connected to a single exhaust fan (38);
  • Figure 18 a schematic view of a hollow cylindrical grease filter (6), which is connected to two opposite exhaust fans (38).

Die vorliegende Erfindung betrifft demnach ein Kochfeld (1) mit einer oder mit mehreren Kochstellen (2), welches - in einer Draufsicht - lediglich in dem Bereich (25) um seinen geometrischen Flächenschwerpunkt (3) herum - nicht jedoch in seinen Randbereichen - eine oder mehrere Aussparungen (4) aufweist. Diese Aussparungen (4) stehen in der Regel mit einer oder mit mehreren Vorrichtungen (5) zum Abzug von Kochdünsten in Verbindung, wobei diese Vorrichtungen (5) zum Abzug von Kochdünsten die über dem oder über den Kochstellen (2) entstandenen und entstehenden Kochdünste in vertikal unterhalb des Kochfeldes (1) weisender Richtung nach unten abziehen.The present invention accordingly relates to a hob (1) with one or more hotplates (2) which - in a plan view - only in the area (25) has one or more recesses (4) around its geometric center of gravity (3) - but not in its edge regions. These recesses (4) are usually connected to one or more devices (5) for extracting cooking vapors, these devices (5) for extracting cooking vapors in the cooking vapors that have arisen over or above the hotplates (2) Pull down vertically below the hob (1) in the direction pointing downwards.

Im Allgemeinen kann der Durchmesser (28) des Bereiches (25), für die eine oder für die mehreren Aussparungen (4), um den geometrischen Flächenschwerpunkt (3) des Kochfeldes (1) im Bereich von 10 % bis 90 % der Gesamt-Breite (29) des Kochfeldes (1), vorzugsweise im Bereich von 15 % bis 85 %, insbesondere im Bereich von 20 % bis 80 % der Gesamtbreite (29) des Kochfeldes (1) liegen. Vorzugsweise kann die Form der einen oder der mehreren Aussparungen (4) - in einer Draufsicht - rund oder oval oder quadratisch oder rechteckig oder polygonal oder sternförmig sein. Die Fläche der Aussparung (4) des Kochfeldes (5) kann beispielsweise in dem Bereich von 50 cm2 bis 500 cm2, vorzugsweise in dem Bereich von 60 cm2 bis 400 cm2, insbesondere in dem Bereich von 70 cm2 bis 300 cm2, liegen. Vorzugsweise kann jede Aussparung (4) des Kochfeldes (1) ) reversibel manuell und/oder mittels eines elektrischen oder pneumatischen Antriebes, ganzflächig oder sektorweise, verschließbar und öffenbar sein.In general, the diameter (28) of the area (25), for the one or more recesses (4), around the geometric centroid (3) of the hob (1) in the range of 10% to 90% of the total width (29) of the hob (1), preferably in the range from 15% to 85%, in particular in the range from 20% to 80% of the total width (29) of the hob (1). The shape of the one or more recesses (4) - in a plan view - can preferably be round or oval or square or rectangular or polygonal or star-shaped. The area of the recess (4) of the hob (5) can, for example, be in the range from 50 cm 2 to 500 cm 2 , preferably in the range from 60 cm 2 to 400 cm 2 , in particular in the range from 70 cm 2 to 300 cm 2 , lie. Preferably, each recess (4) of the hob (1) can be reversibly closed and opened manually and / or by means of an electric or pneumatic drive over the entire surface or in sectors.

Gemäß den Figuren 3, 5, 6 und 7 kann in jede Aussparung (4) des Kochfeldes (1) ein ein- oder mehrteiliger Fettfilter-Einsatz (6) einsetzbar sein. Dieser Fettfilter-Einsatz (6) ist in der Regel seitlich und/oder unten von einem Abluftkanal (9) umfasst. Vorzugsweise steht der Fettfilter-Einsatz (6) mit dem Randbereich der Aussparung (4) des Kochfeldes (1) dicht in Verbindung.
Der Fettfilter-Einsatz (6) kann beispielsweise im Querschnitt in der Form eines Buchstabens U (siehe Figuren 2, 3, 6 und 7) ausgebildet sein. Alternativ hierzu kann der Fettfilter-Einsatz (6) - zur Vergrößerung der Filterfläche und Reduzierung der Strömungsgeschwindigkeit und damit zur Verbesserung der Wirkung des Fettfilter-Einsatzes (6) - beispielsweise in der Form eines Buchstabens U mit sackförmiger oder mützenförmiger Aufweitung (17) (siehe Figur 5) seines unteren Bereiches zur Seite und/oder in stromabwärtiger Richtung, ausgebildet sein. Im Allgemeinen kann der Fettfilter-Einsatz (6) in seinen Wand-Bereichen Absaug-Öffnungen (7) mit darin integrierten Fettfiltern (8) aufweisen oder-zumindest bereichsweise - in der Art eines gas-permeablen Fettfilters (6) ausgebildet sein.According to the Figures 3 , 5 , 6th and 7th a one-part or multi-part grease filter insert (6) can be inserted into each recess (4) of the hob (1). This grease filter insert (6) is usually surrounded by an exhaust air duct (9) at the side and / or below. The grease filter insert (6) is preferably tightly connected to the edge area of the recess (4) of the hob (1).
The grease filter insert (6) can, for example, have a cross-section in the shape of a letter U (see Figures 2 , 3 , 6th and 7th ) be trained. As an alternative to this, the grease filter insert (6) can be used to enlarge the filter surface and reduce the flow speed and thus improve the effect of the grease filter insert (6) - for example in the form of a letter U with a bag-shaped or cap-shaped widening (17) (see Figure 5 ) its lower region to the side and / or in the downstream direction. In general, the wall areas of the grease filter insert (6) can have suction openings (7) with grease filters (8) integrated therein or - at least in some areas - be designed in the manner of a gas-permeable grease filter (6).

Wie insbesondere der Figur 2 zu entnehmen ist, kann der Fettfilter-Einsatz (6) in seinem Boden-Bereich in Form einer Auffangschale (10) - zum Auffangen von in die Aussparung (4) des Kochfeldes (1) eingetretener Flüssigkeit (11) - ausgebildet sein. Alternativ hierzu können -wie in den Figuren 3, 4, 5, 6, und 7 dargestellt - sowohl die seitlichen Wände des Fettfilter-Einsatzes (6) als auch dessen Boden für Kochdünste durchlässig sein.
Zur Verhinderung des Vordringens von durch die zentrale Aussparung (4) des Kochfeldes (1) eingedrungener Flüssigkeit (11) in stromabwärtige Abschnitte des Abluftkanales (9) kann - unmittelbar stromabwärts hinter der zentralen Aussparung (4) - auf der Unterseite (12) des Abluftkanales (9) eine über das Niveau der Unterseite (12) des Abluftkanales (9) erhabene Flüssigkeits-Sperre (13) vorgesehen sein.
Ein besonderer Vorteil der erfindungsgemäßen Vorrichtung besteht dann darin, dass das unterhalb der zentralen Aussparung (4) des Kochfeldes (1) vorgesehene - von der Flüssigkeits-Sperre (13) stromabwärts und von den Wänden (14) des Abluftkanales (9) im übrigen begrenzte - Flüssigkeits-Auffang-Becken (15) durch die zentrale Aussparung (4) des Kochfeldes (1) manuell trockenlegbar und reinigbar ist.Like the one in particular Figure 2 As can be seen, the bottom area of the grease filter insert (6) can be designed in the form of a collecting tray (10) - for collecting liquid (11) that has entered the recess (4) of the hob (1). Alternatively, as in the Figures 3 , 4th , 5 , 6th , and 7th shown - both the side walls of the grease filter insert (6) and its bottom be permeable to cooking vapors.
To prevent the penetration of liquid (11) through the central recess (4) of the hob (1) into downstream sections of the exhaust air duct (9) - immediately downstream behind the central recess (4) - on the underside (12) of the exhaust air duct (9) a liquid barrier (13) raised above the level of the underside (12) of the exhaust air duct (9) may be provided.
A particular advantage of the device according to the invention is that what is provided below the central recess (4) of the hob (1) is limited by the liquid barrier (13) downstream and by the walls (14) of the exhaust air duct (9) - The liquid collecting basin (15) can be drained and cleaned manually through the central recess (4) of the hob (1).

Gemäß Figur 4 kann der Fettfilter-Einsatz (6) beispielsweise in Form einer den Querschnitt des Abluftkanales (9) überdeckenden und schrägstehend unterhalb der zentralen Aussparung (4) des Kochfeldes - oder knapp stromabwärts hiervon -vorgesehenen Fettfilter-Platte (16) ausgebildet sein.According to Figure 4 The grease filter insert (6) can be designed, for example, in the form of a grease filter plate (16) that covers the cross section of the exhaust air duct (9) and is inclined below the central recess (4) of the hob - or just downstream thereof.

Gemäß Figur 6 kann die zentrale Aussparung (4) des Kochfeldes (1) beispielsweise mittels eines in vertikaler Richtung zu Öffnungszwecken und Verschließzwecken reversibel verstellbaren, deckelförmigen Verschließ-Elementes (18) - zum Geruchsverschluss - ganzflächig verschließbar sein.
In diesem Falle können an der Unterseite des Verschließ-Elementes (18) zwei oder mehrere flexible Federbeine (19) mit Einrast-Rillen (20) zum Einrasten von Vorsprüngen (21) des Fettfilter-Einsatzes (6), des Abluftkanales (9) oder der zentralen Aussparung (4) vorgesehen sein.According to Figure 6 The central recess (4) of the hob (1) can be closed over the entire surface, for example by means of a lid-shaped closure element (18) reversibly adjustable in the vertical direction for opening and closing purposes - for odor trap.
In this case, two or more flexible spring legs (19) with snap-in grooves (20) for snap-in of projections (21) of the grease filter insert (6), the exhaust air duct (9) or the central recess (4) be provided.

Alternativ hierzu können an der Unterseite des Verschließ-Elementes (18) zwei oder mehrere starre Beine (19) mit Einrast-Rillen (20) zum Einrasten von federnden Vorsprüngen (21) des Fettfilter-Einsatzes (6), des Abluftkanales (9) oder der zentralen Aussparung (4) vorgesehen sein.Alternatively, two or more rigid legs (19) with snap-in grooves (20) for engaging resilient projections (21) of the grease filter insert (6), the exhaust air duct (9) or on the underside of the closure element (18) the central recess (4) be provided.

Wie in Figur 7 dargestellt, kann die zentrale Aussparung (4) des Kochfeldes (1) mittels eines in vertikaler Richtung zu Öffnungszwecken und zu Verschließzwecken reversibel verstellbaren, im Querschnitt Y- oder V-förmigen Verschließ-Elemente (22) verschließbar sein.
In diesem Falle können die Unterseiten dieses Y- oder V-förmigen Verschließ-Elementes (22) als strömungsoptimierende Strömungsleitflächen für die abzusaugenden Kochdünste dienen. Vorzugsweise kann das Y- oder V-förmige Verschließ-Element (22) mittels einer Exzenter-Scheibe oder eines HebelMechanismus oder eines Gewindes (23) vertikal reversibel verstellbar sein.As in Figure 7 shown, the central recess (4) of the hob (1) can be closed by means of a cross-sectionally Y- or V-shaped closing element (22) reversibly adjustable in the vertical direction for opening purposes and for closing purposes.
In this case, the undersides of this Y- or V-shaped closure element (22) can serve as flow-optimizing flow guide surfaces for the cooking vapors to be extracted. The Y- or V-shaped locking element (22) can preferably be vertically reversibly adjustable by means of an eccentric disk or a lever mechanism or a thread (23).

Wie aus Figur 8 hervorgeht, kann die in dem Bereich (25) um den geometrischen Flächenschwerpunkt (3) des Kochfeldes (1) befindliche Aussparung (4) des Kochfeldes (1) - zur Steuerung der Richtung (27) der Kochdunst-Absaugung in Abhängigkeit von der Richtung der jeweils Kochdunst erzeugenden, jeweils aktiven Kochstelle (2) sowie zur Einsparung der für die Vorrichtung (5) zum Abzug von Kochdünsten aufzubringenden Lüfter-Energie - ein oder mehrere sektorartige, reversibel verschließbare und öffenbare Verschlusselemente (26) umfassen.How out Figure 8 It can be seen that in the area (25) around the geometric center of gravity (3) of the hob (1) located recess (4) of the hob (1) - to control the direction (27) of the cooking fume extraction depending on the direction of the each active hotplate (2) generating cooking vapors and to save the fan energy to be applied for the device (5) for extracting cooking vapors - comprise one or more sector-like, reversibly closable and openable closure elements (26).

Diese Verschlusselemente (26) können beispielsweise manuell und/oder elektrisch reversibel öffenbar und verschließbar sein.These closure elements (26) can be reversibly opened and closed, for example, manually and / or electrically.

Wie aus den Figuren 1 bis 8 hervorgeht, kann der Rand der zentralen Aussparung (4) des Kochfeldes (1) - als Überlaufschutz - einen die Ebene des Kochfeldes (1) nach oben überragenden, umlaufenden und von dem Abluftkanal-Anschluss und/oder von der Fettfilter-Einsatz-Einhängeeinrichtung gebildeten Überwurf (24) tragen.As from the Figures 1 to 8 it can be seen, the edge of the central recess (4) of the hob (1) - as overflow protection - a circumferential protruding over the plane of the hob (1) and formed by the exhaust duct connection and / or by the grease filter insert suspension device Wear a wrap (24).

Die Figuren 9, 10 und 11 zeigen, dass die eine oder die mehreren zentralen Aussparungen (4) des Kochfeldes (1) zur Strömungsoptimierung jeweils einen oder mehrere Lamellenverschlüsse (30) aufweisen können. Dieser Lamellenverschluss (30) ist insbesondere für eine horizontale - und gegebenenfalls auch für eine vertikale - Ausrichtung der Kochdunst-Ansaugströmung (27) in Richtung des oder der jeweils aktiven Kochstellen (2) vorteilhaft.
In der Regel umfasst jeder Lamellenverschluss (30) jeweils eine oder mehrere Lamellen (31), deren Längsachsen (32) vorzugsweise horizontal ausgerichtet sind.
In besonders bevorzugten Ausführungsformen des erfindungsgemäßen Kochfeldes (1) kann - insbesondere zur vertikalen Ausrichtung der Kochdunst-Ansaugströmung (27) und damit zur Anpassung an die vertikale Höhe des verwendeten Kochgeschirres - jede Lamelle (31) um eine horizontale Schwenkachse (33) in einem Winkel α reversibel hin- und herschwenkbar sein, welcher beispielsweise in einem Bereich von 0° bis 180°, vorzugsweise in einem Bereich von 0° bis 110°, insbesondere in einem Bereich von 0° bis 90°, liegt. Insbesondere für eine horizontale Ausrichtung der Kochdunst-Ansaugströmung (27) in Richtung des oder der jeweils aktiven Kochstellen (2) kann der Lamellenverschluss (30) beispielsweise um seine Hochachse (34) in einem Winkel β reversibel drehbar sein. Dieser Winkel β kann beispielsweise ohne Begrenzung in dem Bereich von 0° bis 360° liegen, Wie insbesondere Figur 10 zu entnehmen ist, kann die Ebene des Lamellenverschlusses (30) knapp oberhalb der Ebene des Kochfeldes (1) liegen. Alternativ hierzu kann die Ebene des Lamellenverschlusses (30) etwa auf der vertikalen Höhe des Kochfeldes (1) liegen. Gemäß Figur 11 kann die Ebene des Lamellenverschlusses (30) jedoch auch unterhalb des Kochfeldes (1) vorgesehen sein. In besonders bevorzugten Ausführungsformen des erfindungsgemäßen Kochfeldes (1) kann der Lamellenverschluss (30) - zu Reinigungszwecken - von der zentralen Aussparung (4) des Kochfeldes (1) abnehmbar sein.the Figures 9 , 10 and 11 show that the one or more central recesses (4) of the hob (1) can each have one or more lamellar closures (30) for flow optimization. This lamellar closure (30) is particularly advantageous for a horizontal - and possibly also for a vertical - alignment of the cooking vapor suction flow (27) in the direction of the respective active hotplate (s) (2).
As a rule, each lamella closure (30) comprises one or more lamellae (31), the longitudinal axes (32) of which are preferably aligned horizontally.
In particularly preferred embodiments of the hob (1) according to the invention - in particular for the vertical alignment of the cooking vapor suction flow (27) and thus for adaptation to the vertical height of the cooking utensils used - each lamella (31) around a horizontal pivot axis (33) at an angle α be reversibly pivotable back and forth, which is, for example, in a range from 0 ° to 180 °, preferably in a range from 0 ° to 110 °, in particular in a range from 0 ° to 90 °. In particular, for a horizontal alignment of the cooking vapor suction flow (27) in the direction of the respective active hotplate (s) (2), the lamella closure (30) can be reversibly rotatable, for example, about its vertical axis (34) at an angle β. This angle β can, for example, be in the range from 0 ° to 360 ° without limitation, such as in particular Figure 10 can be seen, the level of the lamellar shutter (30) can be just above the level of the hob (1). As an alternative to this, the plane of the lamella closure (30) can be approximately at the vertical height of the hob (1). According to Figure 11 However, the plane of the lamella closure (30) can also be provided below the hob (1). In particularly preferred embodiments of the hob (1) according to the invention, the lamella closure (30) can be removed from the central recess (4) of the hob (1) for cleaning purposes.

Gegenstand der vorliegenden Erfindung ist darüber hinaus ein Kochfeld (1) mit einer zentralen Aussparung (4), welches in Form einer Montageeinheit mit einer an seiner Unterseite (35) angebrachten Vorrichtung (36) zum Betreiben des Kochfeldes (1) und zum Abzug von Kochdünsten nach unten ausgebildet ist und in eine korrespondierend zu ihren Abmessungen ausgebildete Aussparung der Küchen-Arbeitsplatte (54) schnell und einfach einsetzbar ist.The present invention also relates to a hob (1) with a central recess (4), which is in the form of an assembly unit with a device (36) attached to its underside (35) for operating the hob (1) and for extracting cooking fumes is designed downward and can be quickly and easily inserted into a recess of the kitchen worktop (54) designed to match its dimensions.

Insbesondere in den Figuren 12 bis 16 ist dargestellt, dass die Vorrichtung (36) - in vertikaler Richtung nach unten nacheinander folgend - an der Unterseite (35) des Kochfeldes (1) ein Gehäuse (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungs-Elektronik, ein Lüfter-Gehäuse (48) für zwei oder mehrere Radial-Lüfter (38) und eine oder mehrere Kochdunst-Ansaugkammern (39) - zur horizontalen, nach außen gerichteten Kochdunst-Weiterleitung sowie zur Bereitstellung des Kochdunst-Stromes für eine vertikal nach oben gerichtete Ansaugung durch die in dem vertikal höher liegenden Lüfter-Gehäuse (48) vorgesehenen Radial-Lüfter (38) - umfassen kann.Especially in the Figures 12 to 16 it is shown that the device (36) - following one after the other in the vertical direction - on the underside (35) of the hob (1) has a housing (44) for the heating or hob heating and control electronics, a fan housing (48) for two or more radial fans (38) and one or more cooking vapors suction chambers (39) - for horizontal, outwardly directed cooking vapors forwarding and for providing the cooking vapors flow for a vertically upward suction through the in the vertically higher fan housing (48) provided radial fan (38) - may include.

Ein besonderer Vorteil dieses erfindungsgemäß ausgestalteten Kochfeldes (1) besteht darin, dass der Abstand (40) zwischen der Unterseite (35) des Kochfeldes (1) einerseits und der Unterseite des Bodens (42) der Kochdunst-Ansaugkammern (39) andererseits in einem Bereich von lediglich 110 mm bis 260 mm, ) vorzugsweise in einem Bereich von 140 mm bis 230 mm, insbesondere in einem Bereich von 150 mm bis 200 mm, liegt.A particular advantage of this hob (1) designed according to the invention is that the distance (40) between the underside (35) of the hob (1) on the one hand and the underside of the bottom (42) of the cooking vapors suction chambers (39) on the other hand is in one area from only 110 mm to 260 mm,) preferably in a range from 140 mm to 230 mm, in particular in a range from 150 mm to 200 mm.

Wie insbesondere den Figuren 14, 15 und 16 zu entnehmen ist, kann bei diesem in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeld (1) beispielsweise stromabwärts von der zentralen Aussparung (4) des Kochfeldes (1) eine vertikal nach unten ausgerichtete, rohrförmige Abluft-Leitung (50) vorgesehen sein.
In der Regel kann stromabwärts nachfolgend von der Abluft-Leitung (50) ein hohlzylindrischer Fettfilter (6) reversibel - nach oben zu Reinigungszwecken durch die zentrale Aussparung (4) des Kochfeldes (1) herausnehmbar - vorgesehen sein.
Im Allgemeinen kann der obere Randbereich (51) des hohlzylindrischen Fettfilters (6) an der Innenwand des unteren Abschnittes (52) der rohrförmigen Abluft-Leitung (50) dicht anliegen. Der untere Randbereich (53) des hohlzylindrischen Fettfilters (6) kann den unteren Abschnitt (52) der rohrförmigen Abluft-Leitung (50) vertikal nach unten ausgerichtet überragen.
In bevorzugten Ausführungsformen des erfindungsgemäßen, in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeldes (1) können stromabwärts von dem hohlzylindrischen Fettfilter (6) nachfolgend und seitlich horizontal außenliegend von diesem zwei oder mehrere tiefliegende Kochdunst-Ansaugkammern (39) zur horizontalen, nach außen gerichteten Abführung von ) durch den Fettfilter (6) hindurchgetretenen Kochdünsten (63) vorgesehen sein.Like the one in particular Figures 14 , 15th and 16 As can be seen, in this hob (1) designed in the form of an assembly unit with a device (36), a tubular exhaust air line (50) oriented vertically downwards can be provided, for example, downstream of the central recess (4) of the hob (1) be.
As a rule, downstream of the exhaust air line (50), a hollow cylindrical grease filter (6) reversible - removable upwards for cleaning purposes through the central recess (4) of the hob (1) - can be provided.
In general, the upper edge area (51) of the hollow cylindrical grease filter (6) can lie tightly against the inner wall of the lower section (52) of the tubular exhaust air line (50). The lower edge area (53) of the hollow cylindrical grease filter (6) can protrude above the lower section (52) of the tubular exhaust air line (50) oriented vertically downwards.
In preferred embodiments of the hob (1) according to the invention, designed in the form of an assembly unit with a device (36), downstream of the hollow cylindrical grease filter (6) and laterally and horizontally on the outside of this two or more deep cooking vapor suction chambers (39) to the horizontal, outward discharge of cooking vapors (63) which have passed through the grease filter (6).

Insbesondere die Figuren 14 und 16 zeigen, dass in den Mittenbereichen (59) der vertikal oben liegenden Decken (60) der Kochdunst-Ansaugkammern (39) zwei oder mehrere Aussparungen (61) - für die von unten nach oben gerichtete Hindurchführung der Kochdünste (63) zu den stromabwärts von den Aussparungen (61) vorgesehenen Radial-Lüftern (38) - vorgesehen sein können.especially the Figures 14 and 16 show that in the middle areas (59) of the vertically overhead ceilings (60) of the cooking vapors suction chambers (39) two or more recesses (61) - for the bottom-up passage of the cooking vapors (63) to the downstream of the Radial fans (38) provided for recesses (61) - can be provided.

Wie insbesondere den Figuren 14 und 16 zu entnehmen ist, können die Radial-lüfter-Motoren (56) zentriert über den zu ihnen gehörenden Aussparungen (61) in den Mittenbereichen (59) der Decken (60) der Kochdunst-Ansaugkammern (39), an der Unterseite (45) des Gehäuses (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungs-Elektronik, angebracht sein.
In dem Gehäuse (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungselektronik können unter anderem beispielsweise die Kochfeld-Heizelemente (37), die Leistungs-Elektronik (55) für die Lüfter-Motoren (56) und Touch-Control-Bedienungselemente (57) enthalten sein (siehe Figur 12). An der Unterseite des Gehäuses (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungs-Elektronik kann unter anderem beispielsweise ein Geräte-Netzanschluss (58) vorgesehen sein (siehe Figur 13).
Insbesondere die Figuren 14 und 16 zeigen, dass die Drehachsen (62) der Radiallüfter-Motoren (56) vertikal ausgerichtet sein können und dass die von dem rotierenden Lüfterrad (65) vertikal nach oben ansaugend erfassten Kochdünste (63) in das oberhalb der jeweiligen Ansaug-Kammer (39) vorgesehene Lüfter-Gehäuse (48) transportiert werden können.Like the one in particular Figures 14 and 16 can be seen, the radial fan motors (56) can be centered over the recesses (61) belonging to them in the central areas (59) of the ceilings (60) of the cooking vapors suction chambers (39), on the underside (45) of the Housing (44) for the heating or hob heating and control electronics.
In the housing (44) for the heating or hob heating and control electronics, for example, the hob heating elements (37), the power electronics (55) for the fan motors (56) and touch control operating elements (57 ) must be included (see Figure 12 ). On the underside of the housing (44) for the heating or hob heating and control electronics, for example, a device mains connection (58) can be provided (see FIG Figure 13 ).
especially the Figures 14 and 16 show that the axes of rotation (62) of the radial fan motors (56) can be aligned vertically and that the cooking vapors (63) collected vertically upwards by the rotating fan wheel (65) into the above the respective suction chamber (39) Fan housing (48) can be transported.

Wie aus Figur 15 hervorgeht, kann das Lüfter-Gehäuse (48) - in der Draufsicht - einen spiralförmigen Aufbau mit einer stromaufwärts befindlichen Führungskammer (66) und einer stromabwärts nachfolgenden Ausblaskammer (67) aufweisen. Gemäß den Figur 15 kann stromabwärts von den Ausblaskammern (67) ein sämtliche Ausblas-Kammern (67) der Radial-Lüfter (38) anschließender Raum (68) zur Aufteilung und Ausrichtung der Kochdunst-Ausblasströme (69) vorgesehen sein. Dieser Raum (68) kann beispielsweise zwei oder mehrere Luftleitflächen (70) aufweisen. Diese Luftleitflächen (70) können vorzugsweise derart angeordnet und geformt sein, dass der stromabwärts von dem Aufteilungs-Raum (68) vorgesehene Geruchsfilter (71) - in Bezug auf seine Gesamtfläche - gleichmäßig von den Kochdunst-Ausblasströmen (69) angeblasen wird.How out Figure 15 As can be seen, the fan housing (48) can - in plan view - have a spiral structure with an upstream guide chamber (66) and a downstream discharge chamber (67). According to the Figure 15 Downstream of the exhaust chambers (67), a space (68) adjoining all the exhaust chambers (67) of the radial fans (38) can be provided for dividing and aligning the cooking vapors exhaust streams (69). This space (68) can, for example, have two or more air guide surfaces (70). These air guide surfaces (70) can preferably be arranged and shaped in such a way that the odor filter (71) provided downstream of the partitioning space (68) - in relation to its total area - is evenly blown by the cooking vapors exhaust streams (69).

Wie aus Figur 15 ersichtlich, kann stromabwärts von dem Geruchsfilter (71) ein in horizontaler und/oder in vertikaler Richtung flexibler Faltenbalg (72) zum flexiblen und vibrations- und geräusch-entkoppelten Anschluss an einen stromabwärts nachfolgenden Abluftkanal oder Küchenkorpus vorgesehen sein.How out Figure 15 As can be seen, downstream of the odor filter (71) a bellows (72) which is flexible in the horizontal and / or in the vertical direction can be provided for flexible and vibration- and noise-decoupled connection to a downstream exhaust duct or kitchen body.

In besonders bevorzugten Ausführungsformen des erfindungsgemäßen, in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeldes (1) kann der Kochdunst (63) den hohlzylindrischen Fettfilter-Einsatz (6) mit einer Geschwindigkeit in dem Bereich von 1,0 m/sec bis 4,5 m/sec, vorzugsweise in dem Bereich von 1,15 m/sec bis 4,25 m/sec, insbesondere in dem Bereich von 1,75 m/sec bis 4,0 m/sec, durchströmen. In bevorzugten Ausführungsformen des erfindungsgemäßen, in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeldes (1) kann der Kochdunst (63) den Geruchsfilter (71) mit einer Geschwindigkeit in dem Bereich von 0,5 m/sec bis 3,0 m/sec, vorzugsweise in dem Bereich von 0,7 m/sec bis 2,7 m/sec, insbesondere in dem Bereich von 1,0 m/sec bis 2,5 m/sec, durchströmen.In particularly preferred embodiments of the hob (1) according to the invention, designed in the form of an assembly unit with a device (36), the cooking vapors (63) can pass the hollow cylindrical grease filter insert (6) at a speed in the range from 1.0 m / sec to 4.5 m / sec, preferably in the range from 1.15 m / sec to 4.25 m / sec, in particular in the range from 1.75 m / sec to 4.0 m / sec. In preferred embodiments of the hob (1) according to the invention, designed in the form of an assembly unit with a device (36), the cooking vapors (63) can pass the odor filter (71) at a speed in the range from 0.5 m / sec to 3.0 m / sec, preferably in the range from 0.7 m / sec to 2.7 m / sec, in particular in the range from 1.0 m / sec to 2.5 m / sec.

In der Regel kann der Abstand (43) zwischen der Unterseite (35) des Kochfeldes (1) einerseits und der Unterseite (45) des Gehäuses (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungs-Elektronik andererseits in einem Bereich von 45 mm bis 80 mm liegen. Im Allgemeinen kann der Abstand (46) zwischen der Unterseite (45) des Gehäuses (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungs-Elektronik einerseits und der Unterseite (47) des Lüfter-Gehäuses (48) andererseits in einem Bereich von 60 mm bis 100 mm liegen. Der Abstand (49) zwischen der Unterseite (47) des Lüfter-Gehäuses (48) einerseits und der Unterseite des Bodens (42) der Kochdunst-Ansaugkammer (39) andererseits kann beispielsweise in einem Bereich von 45 mm bis 80 mm liegen.As a rule, the distance (43) between the underside (35) of the hob (1) on the one hand and the underside (45) of the housing (44) for the heating or hob heating and control electronics on the other hand can be in a range of 45 mm up to 80 mm. In general, the distance (46) between the underside (45) of the housing (44) for the heating or hob heating and control electronics on the one hand and the underside (47) of the fan housing (48) on the other hand can be in a range of 60 mm to 100 mm. The distance (49) between the underside (47) of the fan housing (48) on the one hand and the underside of the bottom (42) of the cooking vapor suction chamber (39) on the other hand can be, for example, in a range from 45 mm to 80 mm.

Wie besonders aus Figur 15 ersichtlich, können - in einer Draufsicht - zwei Radial-Lüfter (38) in dem Lüfter-Gehäuse (48) beidseitig von der stromabwärts von der zentralen Kochfeld-Aussparung (4) vorgesehenen, rohrförmigen Abluft-Leitung (50) positioniert sein. Vorzugsweise sind dann die Drehrichtungen (73) der beiden Lüfterräder (65) dieser beiden Radial-Lüfter (38) zueinander entgegengesetzt: Gemäß Figur 15 kann - in einer Draufsicht - das linke Lüfterrad (65) entgegen dem Uhrzeigersinn rotativ antreibbar sein, während - in einer Draufsicht - das rechte Lüfterrad (65) dann im Uhrzeigersinn rotativ antreibbar ist. In diesem Falle können die beiden Ausblaskammern (67) der beiden Radial-Lüfter (38) zu der zentralen Abluft-Leitung (50) benachbart sein.
Die gegenläufige Ausrichtung der Drehrichtungen (73) gemäß Figur 15 führt zu dem Vorteil, dass die beiden Kochdunst-Ausblasströme (69) den stromabwärts von dem Raum (68) zur Aufteilung und Ausrichtung der Ausblasströme (69) vorgesehenen Geruchsfilter (71) mittelbar über Luftleitflächen (70) oder unmittelbar gleichmäßig anströmen.How special Figure 15 As can be seen, two radial fans (38) can - in a plan view - be positioned in the fan housing (48) on both sides of the tubular exhaust air line (50) provided downstream of the central hob recess (4). The directions of rotation (73) of the two fan wheels (65) of these two radial fans (38) are then preferably opposite to one another: according to FIG Figure 15 can - in a plan view - the left fan wheel (65) can be driven counterclockwise in rotation, while - in a plan view - The right fan wheel (65) can then be driven in a clockwise rotation. In this case, the two blow-out chambers (67) of the two radial fans (38) can be adjacent to the central exhaust air line (50).
The opposite alignment of the directions of rotation (73) according to Figure 15 leads to the advantage that the two cooking vapors exhaust streams (69) flow evenly towards the odor filter (71) provided downstream of the room (68) for dividing and aligning the exhaust streams (69) indirectly via air guide surfaces (70) or directly.

Insbesondere Figur 14 zeigt, dass - in einer Draufsicht - der im Inneren des hohlzylindrischen Fettfilters (6) befindliche zentrale Boden-Bereich (74) zumindest gegenüber den beidseitig von diesem zentralen Boden-Bereich (74) vorgesehenen seitlichen Böden (42) der beiden Ansaugkammern (39) unter Ausbildung eines Anschlages (75) für den unteren Randbereich (53) des hohlzylindrischen Fettfilters (6) zumindest etwas abgesenkt sein kann. Ferner kann der zentrale Boden-Bereich (74) -zum Sammeln und Auffangen von übergelaufener Flüssigkeit - zu einer zentralen oder randwärtigen Absenkung (76) geneigt ausgebildet sein. In diesem Falle besteht eine besonders bedienerfreundliche Zugriffsmöglichkeit auf den zentralen Boden-Bereich (74) zu Reinigungszwecken.In particular Figure 14 shows that - in a top view - the central base area (74) located inside the hollow cylindrical grease filter (6) at least opposite the lateral bases (42) of the two suction chambers (39) provided on both sides of this central base area (74) with the formation of a stop (75) for the lower edge region (53) of the hollow cylindrical grease filter (6) can be at least slightly lowered. Furthermore, the central bottom area (74) - for collecting and catching overflowing liquid - can be designed to be inclined towards a central or edge-side depression (76). In this case, there is a particularly user-friendly way of accessing the central floor area (74) for cleaning purposes.

Zusammenfassend ist festzustellen, dass im Rahmen der vorliegenden Erfindung ein Kochfeld mit einer Einrichtung zum Abzug von Kochdünsten in vertikal unterhalb der Ebene des Kochfeldes liegender Richtung bereitgestellt wird.
Bei der erfindungsgemäßen Vorrichtung wird erstmals eine Kochdunst-Abzugseinrichtung mit einem Kochfeld zu einem Bauteil kombiniert, wodurch sich besonders niedrige Herstellungs- und Montagekosten ergeben.In summary, it should be noted that within the scope of the present invention, a hob with a device for extracting cooking vapors is provided in a direction vertically below the plane of the hob.
In the device according to the invention, a cooking fume extractor device is combined with a hob to form a component for the first time, which results in particularly low manufacturing and assembly costs.

Da das erfindungsgemäße Kochfeld (1) im Bereich seines geometrischen Flächenschwerpunktes (3) eine in der Draufsicht runde oder ovale oder quadratische Aussparung (4) für eine Vorrichtung (5) zum Abzug von Kochdünsten in vertikal unterhalb des Kochfeldes (1) weisender Richtung nach unten aufweist, können nun erstmals die auf beiden Seiten und rückwärtig von dem Kochfeld befindlichen Flächen auf der das Kochfeld tragenden Arbeitsplatte für Abstellzwecke oder ähnliches uneingeschränkt genutzt werden.Since the hob (1) according to the invention in the area of its geometric center of gravity (3) has a recess (4), which is round or oval or square in plan view, for a device (5) for extracting cooking vapors in vertically below the hob (1) pointing downwards, the surfaces located on both sides and to the rear of the hob can now for the first time be used without restriction on the worktop carrying the hob for storage purposes or the like.

Da die Vorrichtung (5) zum Abzug von Kochdünsten nunmehr im Bereich des geometrischen Flächenschwerpunktes (3) des Kochfeldes (1) zentral vorgesehen ist, wirken auf der gesamten Fläche des Kochfeldes (1) ausreichend starke und sich nicht gegeneinander aufhebende Absaug-Strömungen. Hierdurch werden ) sowohl im zentralen Bereich des Kochfeldes als auch in dessen Randbereichen ein Aufsteigen und Ausbreiten von Kochdünsten sicher vermieden.
Besondere Vorteile des erfindungsgemäßen Kochfeldes (1) sind ferner darin zu sehen, dass dessen Herstellungs-, Montage-, Wartungs- und Betriebskosten besonders gering sind.
Vorteilhaft im Falle des erfindungsgemäßen Kochfeldes (1) ist außerdem, dass die für die Absaugung eingesetzte elektrische Energie besonders effizient genutzt wird, weshalb der Wirkungsgrad des erfindungsgemäßen Kochfeldes (1) besonders groß ist.
Ein weiterer Vorteil des erfindungsgemäßen Kochfeldes (1) liegt darin, dass die Geräuschentwicklung auch während des Kochdunst-Absaug-Betriebes sehr gering ist.
Bezüglich des erfindungsgemäßen, in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeldes (1) kann zusammenfassend festgestellt werden, dass dessen Bauhöhe besonders gering ist, wodurch der im Küchenkorpus ungehindert nutzbare Raum ausgeprägt ist.
Von besonderem Vorteil des erfindungsgemäßen, in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeldes (1) ist ferner dessen Kompaktheit und die Tatsache, dass es im Werk vollständig vormontiert werden kann. Dadurch sind der Planungs- und Montageaufwand besonders gering.Since the device (5) for extracting cooking vapors is now provided centrally in the area of the geometric center of gravity (3) of the hob (1), suction currents that are sufficiently strong and do not cancel each other act on the entire area of the hob (1). This reliably prevents cooking vapors from rising and spreading both in the central area of the hob and in its edge areas.
Particular advantages of the hob (1) according to the invention can also be seen in the fact that its production, assembly, maintenance and operating costs are particularly low.
Another advantage of the hob (1) according to the invention is that the electrical energy used for the suction is used particularly efficiently, which is why the efficiency of the hob (1) according to the invention is particularly high.
Another advantage of the hob (1) according to the invention lies in the fact that the development of noise is very low even during the cooking fume extraction operation.
With regard to the hob (1) according to the invention, designed in the form of an assembly unit with a device (36), it can be stated in summary that its overall height is particularly low, as a result of which the unimpeded space in the kitchen body is pronounced.
Another particular advantage of the hob (1) according to the invention, which is designed in the form of an assembly unit with a device (36), is its compactness and the fact that it can be completely preassembled in the factory. This means that the planning and installation effort is particularly low.

Schließlich muss die komplett vormontierte, kompakte Montageeinheit nur mehr in eine Aussparung der Arbeitsplatte eingesetzt werden, wodurch sich eine besonders schnelle, einfache und kostengünstige Montage ergibt.Finally, the completely pre-assembled, compact assembly unit only needs to be inserted into a recess in the worktop, which results in particularly quick, simple and inexpensive assembly.

Durch das Vorsehen von zwei oder mehreren, zueinander gegenüberliegenden Radial-Lüftern (38) stromabwärts von dem hohlzylindrischen Fettfilter (6) - gemäß den Figuren 17 und 18 - ergibt sich eine deutlich vergrößerte Wirkfläche des Fettfilters (6) und eine Erhöhung des Durchsatzvolumens unter Verbesserung des Fett-Abscheidegrades sowie unter Ausbildung eines besonders niedrigen Druckverlustes an der größeren, effektiv wirksamen Fettfilterfläche (6). Dies führt zu dem Vorteil, dass die Lüfter-Motoren (56) der Radial-Lüfter (38) besonders klein, energiesparend, energieeffizient und leise ausgebildet sein können. Außerdem kann die Drehzahl der Lüfter-Motoren (56) geringer gewählt werden, weshalb die erfindungsgemäß eingesetzten Radial-Lüfter (38) besonders leise, vibrationsarm und energieeffizient arbeiten.By providing two or more radial fans (38) opposite one another downstream of the hollow cylindrical grease filter (6) - according to FIGS Figures 17 and 18 - The result is a significantly larger effective area of the grease filter (6) and an increase in the throughput volume with an improvement in the degree of grease separation and with the formation of a particularly low pressure loss on the larger, effectively effective grease filter area (6). This leads to the advantage that the fan motors (56) of the radial fans (38) can be designed to be particularly small, energy-saving, energy-efficient and quiet. In addition, the speed of the fan motors (56) can be selected to be lower, which is why the radial fans (38) used according to the invention operate particularly quietly, with little vibration and in an energy-efficient manner.

Ein besonderer Vorteil des erfindungsgemäßen, in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeldes (1) besteht darin, dass sie einen effektiven Schutz vor und Unempfindlichkeit gegenüber übergelaufener, durch die zentrale Aussparung (4) eingedrungene Flüssigkeit - bis zu einem Volumen von 5 I- bietet. Denn durch die Aufhängung der Lüfter-Motoren (56) an dem Boden (45) des Gehäuses (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungselektronik steht grundsätzlich das wannenartige Volumen der tiefstliegenden Kochdunst-Ansaugkammer (39) zur Aufnahme von Überlauf-Flüssigkeit unter Ausschluss einer Gefährdung der Lüfter-Motoren (56) zur Verfügung.A particular advantage of the hob (1) according to the invention, designed in the form of an assembly unit with a device (36), is that it provides effective protection against and insensitivity to overflowing liquid that has penetrated through the central recess (4) - up to a volume of 5 I- offers. Because the fan motors (56) are suspended from the bottom (45) of the housing (44) for the heating or hob heating and control electronics, the tub-like volume of the lowest-lying cooking vapor suction chamber (39) is basically used to hold overflow liquid with the exclusion of any risk to the fan motors (56).

Claims (10)

Kochfeld (1) mit 1.1. einer zentralen Aussparung (4) und 1.2. einer an seiner Unterseite (35) angebrachten Vorrichtung (36) zum Betreiben des Kochfeldes (1) und zum Abzug von Kochdünsten nach unten, 1.3. wobei das Kochfeld (1) mit der Vorrichtung (36) in Form einer Montageeinheit ausgebildet ist, und 1.4. wobei die Kochdünste von einem rotierenden Lüfterrad (65) vertikal nach oben ansaugend erfasst in ein oberhalb einer Ansaug-kammer (39) vorgesehenes Lüfter-Gehäuse (48) transportiert werden können. Hob (1) with 1.1. a central recess (4) and 1.2. a device (36) attached to its underside (35) for operating the hob (1) and for extracting cooking vapors downwards, 1.3. wherein the hob (1) with the device (36) is designed in the form of an assembly unit, and 1.4. wherein the cooking vapors can be captured by a rotating fan wheel (65) sucking vertically upwards and transported into a fan housing (48) provided above a suction chamber (39). Kochfeld (1) gemäß Anspruch 1, dadurch gekennzeichnet, dass stromabwärts von der zentralen Aussparung (4) eine vertikal nach unten ausgerichtete, rohrförmige Abluft-Leitung (50) vorgesehen ist.Hob (1) according to Claim 1, characterized in that a tubular exhaust air line (50) directed vertically downwards is provided downstream of the central recess (4). Kochfeld (1) gemäß Anspruch 2, dadurch gekennzeichnet, dass stromabwärts nachfolgend von der Abluft-Leitung (50) ein hohlzylindrischer Fettfilter (6) reversibel nach oben durch die zentrale Aussparung (4) herausnehmbar vorgesehen ist.Hob (1) according to claim 2, characterized in that downstream of the exhaust air line (50) a hollow cylindrical grease filter (6) is provided reversibly upwards through the central recess (4) and removable. Kochfeld (1) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Lüfter-Gehäuse (48) in einer Draufsicht einen spiralförmigen Aufbau mit einer stromaufwärts befindlichen Führungskammer (66) und einer stromabwärts nachfolgenden Ausblaskammer (67) aufweist.Hob (1) according to one of the preceding claims, characterized in that the fan housing (48) has a spiral structure in a plan view with an upstream guide chamber (66) and a downstream exhaust chamber (67). Kochfeld (1) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Abstand (46) zwischen einer Unterseite (45) eines Gehäuses (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungs-Elektronik einerseits und einer Unterseite (47) des Lüfter-Gehäuses (48) andererseits in einem Bereich von 60 mm bis 100 mm liegt.Hob (1) according to one of the preceding claims, characterized in that a distance (46) between an underside (45) of a housing (44) for the heating or hob heating and control electronics on the one hand and an underside (47) of the fan -Housing (48) on the other hand is in a range of 60 mm to 100 mm. Kochfeld (1) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Abstand (49) zwischen einer Unterseite (47) des Lüftergehäuses (48) einerseits und einer Unterseite eines Bodens (42) der Ansaugkammer (39) andererseits im Bereich von 45 mm bis 80 mm liegt.Hob (1) according to one of the preceding claims, characterized in that a distance (49) between an underside (47) of the fan housing (48) on the one hand and an underside of a bottom (42) of the suction chamber (39) on the other hand is in the range of 45 mm up to 80 mm. Kochfeld (1) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Abstand (40) zwischen einer Unterseite (35) des Kochfeldes (1) einerseits und einer Unterseite eines Bodens (42) der Ansaugkammer (39) andererseits in einem Bereich von 110 mm bis 260 mm liegt.Hob (1) according to one of the preceding claims, characterized in that a distance (40) between an underside (35) of the hob (1) on the one hand and an underside of a bottom (42) of the suction chamber (39) on the other hand is in a range of 110 mm to 260 mm. Kochfeld (1) gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein zentraler Boden-Bereich (74) zum Sammeln und Auffangen von übergelaufener Flüssigkeit zu einer zentralen oder randwärtigen Absenkung (76) geneigt ausgebildet ist.Hob (1) according to one of the preceding claims, characterized in that a central base area (74) for collecting and catching overflowed liquid is inclined to a central or edge-side depression (76). Kochfeld (1) gemäß einem Ansprüche 2 bis 8, dadurch gekennzeichnet, dass in einer Draufsicht zwei Radial-Lüfter (38) in dem Lüftergehäuse (48) beidseitig von der stromabwärts von der zentralen Kochfeld-Aussparung (4) vorgesehenen, rohrförmigen Abluft-Leitung (50) positioniert sind.Hob (1) according to one of claims 2 to 8, characterized in that in a plan view two radial fans (38) in the fan housing (48) on both sides of the tubular exhaust air line provided downstream of the central hob recess (4) (50) are positioned. Kochfeld (1) gemäß Anspruch 9, dadurch gekennzeichnet, dass die Drehrichtungen (73) der beiden Lüfterräder (65) der beiden Radial-Lüfter (38) zueinander entgegengesetzt sind.Hob (1) according to Claim 9, characterized in that the directions of rotation (73) of the two fan wheels (65) of the two radial fans (38) are opposite to one another.
EP21168165.5A 2011-04-28 2012-04-28 Cooking hob Active EP3869107B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP23165982.2A EP4224071A3 (en) 2011-04-28 2012-04-28 Cooktop
EP22157724.0A EP4019851A1 (en) 2011-04-28 2012-04-28 Cooking hob
PL21168165T PL3869107T3 (en) 2011-04-28 2012-04-28 Cooking hob

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DE202011005698U DE202011005698U1 (en) 2011-04-28 2011-04-28 Hob with central suction of cooking fumes down
EP17184069.7A EP3282197B1 (en) 2011-04-28 2012-04-28 Cooktop with steam extractor
PCT/DE2012/000458 WO2012146237A1 (en) 2011-04-28 2012-04-28 Hob with central removal of cooking vapours by suction-extraction in the downward direction
EP15177616.8A EP2975327B1 (en) 2011-04-28 2012-04-28 Assembly unit comprising a hotplate and steam extractor
EP20216989.2A EP3828469A1 (en) 2011-04-28 2012-04-28 Cooking hob with extractor
EP12733398.7A EP2702329B1 (en) 2011-04-28 2012-04-28 Hob with central removal of cooking vapours by suction-extraction in the downward direction

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EP17184069.7A Division EP3282197B1 (en) 2011-04-28 2012-04-28 Cooktop with steam extractor
EP20216989.2A Division-Into EP3828469A1 (en) 2011-04-28 2012-04-28 Cooking hob with extractor
EP20216989.2A Division EP3828469A1 (en) 2011-04-28 2012-04-28 Cooking hob with extractor
EP15177616.8A Division EP2975327B1 (en) 2011-04-28 2012-04-28 Assembly unit comprising a hotplate and steam extractor
EP12733398.7A Division EP2702329B1 (en) 2011-04-28 2012-04-28 Hob with central removal of cooking vapours by suction-extraction in the downward direction

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EP22157724.0A Division EP4019851A1 (en) 2011-04-28 2012-04-28 Cooking hob
EP23165982.2A Division EP4224071A3 (en) 2011-04-28 2012-04-28 Cooktop

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EP3869107A1 true EP3869107A1 (en) 2021-08-25
EP3869107B1 EP3869107B1 (en) 2022-02-23

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EP23165982.2A Pending EP4224071A3 (en) 2011-04-28 2012-04-28 Cooktop
EP17197091.6A Active EP3287702B1 (en) 2011-04-28 2012-04-28 Hotplate and steam extractor
EP17184069.7A Active EP3282197B1 (en) 2011-04-28 2012-04-28 Cooktop with steam extractor
EP12733398.7A Active EP2702329B1 (en) 2011-04-28 2012-04-28 Hob with central removal of cooking vapours by suction-extraction in the downward direction
EP22157724.0A Pending EP4019851A1 (en) 2011-04-28 2012-04-28 Cooking hob
EP20216989.2A Pending EP3828469A1 (en) 2011-04-28 2012-04-28 Cooking hob with extractor
EP15177616.8A Active EP2975327B1 (en) 2011-04-28 2012-04-28 Assembly unit comprising a hotplate and steam extractor
EP21168165.5A Active EP3869107B1 (en) 2011-04-28 2012-04-28 Cooking hob

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EP23165982.2A Pending EP4224071A3 (en) 2011-04-28 2012-04-28 Cooktop
EP17197091.6A Active EP3287702B1 (en) 2011-04-28 2012-04-28 Hotplate and steam extractor
EP17184069.7A Active EP3282197B1 (en) 2011-04-28 2012-04-28 Cooktop with steam extractor
EP12733398.7A Active EP2702329B1 (en) 2011-04-28 2012-04-28 Hob with central removal of cooking vapours by suction-extraction in the downward direction
EP22157724.0A Pending EP4019851A1 (en) 2011-04-28 2012-04-28 Cooking hob
EP20216989.2A Pending EP3828469A1 (en) 2011-04-28 2012-04-28 Cooking hob with extractor
EP15177616.8A Active EP2975327B1 (en) 2011-04-28 2012-04-28 Assembly unit comprising a hotplate and steam extractor

Country Status (14)

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US (4) US10006641B2 (en)
EP (8) EP4224071A3 (en)
CN (2) CN103688111B (en)
AU (1) AU2012247900B2 (en)
DE (5) DE202011005698U1 (en)
DK (4) DK3282197T3 (en)
ES (4) ES2908935T3 (en)
HU (1) HUE036006T2 (en)
NO (1) NO3173524T3 (en)
PL (5) PL3287702T3 (en)
PT (3) PT2975327T (en)
RU (1) RU2549938C2 (en)
SI (1) SI3282197T1 (en)
WO (1) WO2012146237A1 (en)

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Publication number Priority date Publication date Assignee Title
EP3869107B1 (en) 2011-04-28 2022-02-23 Wilhelm Bruckbauer Cooking hob
DE202023103051U1 (en) 2023-06-02 2023-06-16 Termacook Gmbh Hob with integrated extractor and with lighting, use of the hob for lighting

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PL3287702T3 (en) 2020-02-28
DK2975327T3 (en) 2018-01-15
ES2655258T3 (en) 2018-02-19
RU2013143995A (en) 2015-04-10
RU2549938C2 (en) 2015-05-10
CN103688111A (en) 2014-03-26
US20180335217A1 (en) 2018-11-22
DE202012013527U1 (en) 2017-06-26
DK3282197T3 (en) 2021-03-29
US20200318835A1 (en) 2020-10-08
ES2545632T3 (en) 2015-09-14
US11592188B2 (en) 2023-02-28
PT3869107T (en) 2022-03-11
HUE036006T2 (en) 2018-06-28
ES2761399T3 (en) 2020-05-19
EP3287702A1 (en) 2018-02-28
CN103688111B (en) 2016-11-23
CN107023864A (en) 2017-08-08
AU2012247900B2 (en) 2015-12-17
SI3282197T1 (en) 2021-04-30
EP4019851A1 (en) 2022-06-29
US10006641B2 (en) 2018-06-26
PL3869107T3 (en) 2022-06-20
PL2975327T3 (en) 2018-03-30
US20140048057A1 (en) 2014-02-20
WO2012146237A1 (en) 2012-11-01
DE112012001878A5 (en) 2014-02-06
EP4224071A2 (en) 2023-08-09
DE202012004271U1 (en) 2012-06-15
US20230184442A1 (en) 2023-06-15
EP4224071A3 (en) 2023-08-23
EP3828469A1 (en) 2021-06-02
US10718528B2 (en) 2020-07-21
DE202012013574U1 (en) 2017-12-06
AU2012247900A1 (en) 2013-11-28
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DK3869107T3 (en) 2022-05-02
PT2975327T (en) 2018-01-11
ES2908935T3 (en) 2022-05-04
EP3869107B1 (en) 2022-02-23
DE202011005698U1 (en) 2011-09-26
CN107023864B (en) 2019-11-29
EP2975327A1 (en) 2016-01-20
PT3282197T (en) 2021-04-05
PL3282197T3 (en) 2021-07-12
EP3282197B1 (en) 2021-01-06
NO3173524T3 (en) 2018-06-23
EP3282197A1 (en) 2018-02-14
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PL2702329T3 (en) 2015-12-31
EP2702329A1 (en) 2014-03-05

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