HOB SYSTEM

Abstract

A hob system comprising a cooking goods carrier for carrying cooking goods, at least one heating unit arranged on the cooking goods carrier for heating the cooking goods, and a fume extractor device for extracting cooking vapors downward, wherein a total width of the hob system is a maximum of 600 mm.

Claims

1. A hob system, comprising 1.1. a cooking goods carrier for carrying cooking goods, 1.2. at least one heating unit arranged at the cooking goods carrier for heating the cooking goods, and 1.3. a fume extractor device for extracting cooking vapors downward, with 1.3.1. at least one fan for extracting the cooking vapors, 1.3.2. at least one inflow opening which penetrates the cooking goods carrier, and 1.3.3. a negative pressure duct, which links the at least one inflow opening to the at least one fan in a fluid-conducting manner, 1.4. wherein a total width of the hob system is a maximum of 600 mm, and 1.5. wherein the at least one inflow opening is spaced apart from an edge region of the cooking goods carrier, and 1.6. wherein a vertical installation height (H of the hob system is a maximum of 250 mm.

2. The hob system as claimed in claim 1, wherein a vertical installation height of the hob system is a maximum of 200 mm.

3. The hob system as claimed in claim 1, wherein the hob system is designed as a combined appliance.

4. The hob system as claimed in claim 1, comprising exactly three of the heating units.

5. The hob system as claimed in claim 1, wherein the maximum power output of the at least one heating unit is in a range of 300 to 4000 watts.

6. The hob system as claimed in claim 1, wherein the fume extractor device has an inflow duct which is connected to the at least one inflow opening and whose central longitudinal axis is designed to be inclined with respect to a hob normal in an initial portion adjoining the inflow opening.

7. The hob system as claimed in claim 1, wherein the fume extractor device has an inflow grille which can be arranged at the at least one inflow opening, wherein the inflow grille has at least one guiding element for the directed extraction of the cooking vapors from a region above the at least one heating element.

8. The hob system as claimed in claim 1, wherein a geometric center of area of the at least one inflow opening, in a top view, is arranged at a distance from a geometric center of area of the cooking goods carrier.

9. The hob system as claimed in claim 8, wherein the at least one inflow opening, in the top view, is arranged at a distance from a geometric center of area of the cooking goods carrier in the at least one of the width direction and in the depth direction.

10. The hob system as claimed in claim 1, comprising a plurality of the heating units, wherein, in a top view, a smallest distance between a geometric center of area of the cooking goods carrier and a first one of the heating units is at least twice as large as a smallest distance between the geometric center of area of the cooking goods carrier and a second one of the heating units.

11. The hob system as claimed in claim 1, comprising a plurality of the heating units, wherein, in a top view, all smallest distances between the at least one inflow opening and the respective heating unit differ by a maximum of 30%.

12. The hob system as claimed in claim 1, wherein a smallest distance between the at least one inflow opening and the at least one heating unit in a top view is a maximum of 100 mm.

13. The hob system as claimed in claim 1, wherein the at least one heating unit overlaps a geometric center of area of the cooking goods carrier in a top view.

14. The hob system as claimed in claim 1, comprising a user interface for controlling at least one of the at least one heating unit and the fume extractor device, wherein the user interface, in a top view relative to at least one of the heating units, is arranged opposite to the at least one inflow opening.

15. A kitchen workplace, comprising 15.1. a kitchen base cabinet with a storage space, which has a storage space width of a maximum of 600 mm, and 15.2. a hob system as claimed in claim 1, wherein the heating units and the fume extractor device, in a top view, are arranged completely within the storage space.

16. A hob system, comprising 16.1. a cooking goods carrier for carrying cooking goods, 16.2. at least one heating unit arranged at the cooking goods carrier for heating the cooking goods, and 16.3. a fume extractor device for extracting cooking vapors downward, with at least one fan for extracting the cooking vapors, 16.4. wherein a total width of the hob system is a maximum of 600 mm, and 16.5. wherein the at least one fan overlaps the at least one heating unit in a top view and in at least one of a side view and in a front view.

17. A hob system, comprising 17.1. a cooking goods carrier for carrying cooking goods, 17.2. at least one heating unit arranged at the cooking goods carrier for heating the cooking goods, and 17.3. a fume extractor device for extracting cooking vapors downward, 17.4. wherein a total width of the hob system is a maximum of 600 mm, 17.5. wherein the fume extractor device has at least one inflow opening for extracting the cooking vapors, 17.6. wherein the at least one inflow opening, in a top view, is arranged at a distance from a geometric center of area of the cooking goods carrier in the at least one of the width direction and in the depth direction, and 17.7. wherein a vertical installation height of the hob system is a maximum of 250 mm.

Description

[0119] Further features, advantages and details of the invention will be apparent from the following description of the cooking goods carrier, the hob and the hob system based on the figures. In the drawings:

[0120] FIG. 1 shows a perspective view of a hob system with a hob and a fume extractor device,

[0121] FIG. 2 shows a sectional view of the hob system along the section line 11-11 in FIG. 1,

[0122] FIG. 3 shows a top view onto a hob system according to a further embodiment, according to which the hob system comprises six induction heating units, a fume extractor device with a plurality of cross-flow fans and a cooking goods carrier with a plurality of inflow ducts, wherein these are distributed inhomogeneously over a surface of the cooking goods carrier,

[0123] FIG. 4 shows a perspective view of a hob system according to a further embodiment system, comprising a fume extractor device with a single inflow opening formed by a cooking goods carrier and a hob cover for reversibly and completely covering the cooking goods carrier and the inflow opening,

[0124] FIG. 5 shows a sectional view of the bob system along the section line V-V in FIG. 4 with four fans arranged equiangularly and equidistantly about a vertical axis running through a center of area of the inflow opening,

[0125] FIG. 6 shows a sectional view of the hob system along the section line VI-VI in FIG. 4 with a hollow cylindrical filter,

[0126] FIG. 7 shows a perspective rear view of a hob system according to a further embodiment, wherein the hob system has a hob with four heating units arranged next to one another, a hob cover with two cover bodies that can be displaced independently of one another, and a fume extractor device with an inflow opening arranged on the rear side of the hob,

[0127] FIG. 8 shows a sectional view of the hob system along the section line VIII-VIII in FIG. 7, wherein an odor filter of the extractor device is arranged in a negative pressure duct disposed upstream of the fans,

[0128] FIG. 9 shows a perspective view of a hob system according to a further embodiment with two displaceable cooking vapor guiding elements for shading an upper space located upstream of an inflow opening on one side in each case,

[0129] FIG. 10 shows a sectional view of the hob system along the section line X-X in FIG. 9, with two fans disposed downstream of the two inflow openings,

[0130] FIG. 11 shows a top view onto a hob system according to a further embodiment with a cooking goods carrier, three heating units arranged thereat and a fume extractor device for extracting cooking vapors downward, wherein a total width of the hob system is 560 mm and wherein all of the heating units are arranged at the same distance from the inflow opening in a top view,

[0131] FIG. 12 shows a side view of the hob system in FIG. 11,

[0132] FIG. 13 shows a top view onto a hob system according to a further embodiment, wherein a central longitudinal axis of an inflow duct is formed in an inclined manner to a hob normal,

[0133] FIG. 14 shows a top view onto a hob system with four heating units and a fume extractor device, and

[0134] FIG. 15 shows a sectional view of the hob system along the section line XV-XV in FIG. 14 with two fans, each having a fan wheel rotatably mounted about an axis of rotation, wherein the axis of rotation is oriented in an inclined manner to a horizontal plane and to a vertical direction.

[0135] In the following, different details of a hob system 1 with a hob 2 and a fume extractor device 3 are described with reference to FIG. 1 and FIG. 2. The hob 2 comprises a cooking goods carrier 4 with four heating units 5 arranged thereat for heating cooking goods 6. The hob system 1 is arranged on a kitchen base cabinet 7. For this purpose, the hob system 1 is attached to a workplace 8 of the kitchen base cabinet 7. A surface of the cooking goods carrier 4 is arranged flush with a surface of the workplace 8.

[0136] For controlling the fume extractor device 3 and the heating units 5, the hob system 1 comprises a user interface 9. The user interface 9 is designed as a touch-sensitive screen. The user interface 9 is in signal communication with the fume extractor device 3 and the heating units 5 via a control unit, not shown.

[0137] The cooking goods carrier 4 comprises a glass plate, in particular a glass ceramic plate. The glass plate is penetrated by a plurality of inflow ducts 10 for the extraction of the cooking vapors. A cross-sectional area of the inflow ducts 10 is less than 1 mm.sup.2 in each case.

[0138] A region that can be heated by the respective heating unit 5 at the level of or above the cooking goods carrier 4 forms a cooking zone 11. In the region of the cooking zones 11, the respective heating unit 5 can act on the cooking goods 6 and heat it. In the region of the cooking zones 11, the cooking goods carrier 4 does not have any inflow ducts 10. With the exception of the region of the cooking zones 11, the inflow ducts 10, in a top view, are arranged equidistantly from one another at the cooking goods carrier 4. The inflow ducts 10 each extend in a straight line and in a vertical direction through the cooking goods carrier 4. The inflow ducts 10 have a circular cross-section.

[0139] As shown in FIG. 2, the hob system 1 has a housing 12. A receptacle of the cooking goods carrier 13 is arranged at the housing 12. The cooking goods carrier 4 rests on the receptacle of the cooking goods carrier 13 from above and can be removed upwardly from the latter without tools and in a reversible manner. The receptacle of the cooking goods carrier 13 has a tilting edge which is not shown. The tilting edge delimits a supporting surface of the receptacle of the cooking goods carrier 13 from a recess. The recess is designed in such a way that by loading cooking goods carrier 4 in a region above the recess in the downward direction, a lifting of a region of the cooking goods carrier 4 opposite to the tilting edge can be achieved.

[0140] The cooking goods carrier 4 is designed in a dishwasher-proof manner. In particular, the cooking goods carrier 4 is designed to be resistant to high temperatures, in particular temperatures of at least 350° C., and suitable for pyrolysis cleaning.

[0141] The number of inflow ducts 10 penetrating the cooking goods carrier 4 is greater than 50. Below the cooking goods carrier 4, in particular in the areas penetrated by the inflow ducts 10, a filter 14 is arranged. In a top view, the filter 14 completely overlaps the inflow ducts 10. The filter 14 is designed as a combination filter for filtering grease and odors from the cooking vapor. The cooking goods carrier 4 has a filter receptacle 15. The filter 14 is reversibly attached to the cooking goods carrier 4 by means of the filter receptacle 15.

[0142] The cooking goods carrier 4 is permeable to gases and impermeable to liquids. For this purpose, the cooking goods carrier 4 has a hydrophobic surface coating 16 in the region of the inflow ducts 10.

[0143] The filter 14 is arranged in a negative pressure duct 17 of the fume extractor device 3. The negative pressure duct 17 extends between inflow openings 18, which are formed by the inflow ducts 10 on the upper side of the cooking goods carrier 4, and fans 19 of the fume extractor device 3. The fume extractor device 3 comprises four fans 19. The fans 19 are designed as cross-flow fans. An axis of rotation 20 of the respective fan 19 is oriented horizontally, in particular in parallel to a front edge 20a of the hob system 1. The fans 19 are in fluid-conducting communication with the inflow openings 18 via the negative pressure duct 17 and in fluid-conducting communication with a cooking vapor outlet 21 via a positive pressure duct 21.

[0144] The fume extractor device 3 is designed to extract cooking vapors via four independently operable extraction sections 22a, 22b, 22c, 22d. For this purpose, the respective extraction section 22a, 22b, 22c, 22d is in communication with one of the fans 19 via a separate negative pressure duct 17. The surface of the cooking goods carrier 4 is divided into four extraction sections 22 of equal area.

[0145] Sealing elements, which are not shown, are arranged at the negative pressure duct 17 for the airtight connection of the negative pressure duct 17 arranged downstream of the respective extraction section 22 with the cooking goods carrier 4. The sealing elements thereby completely surround the respective extraction sections 22.

[0146] The cooking goods carrier 4 has a depth T of 500 mm. In the front region, in particular over at least 70% of the depth T, starting from a front edge 20a of the hob system 1, the hob system 1 has a front installation height H.sub.V of 120 mm or less. The installation height H.sub.V of the hob system 1 may in particular be in the range of only 3 cm to 5 cm in this region. A storage space 23 of the kitchen base cabinet 7 remains largely unaffected and unobstructed by the hob system 1. A top drawer 24 of the kitchen base cabinet 7 is not shortened either in the vertical direction or in the depth direction. If necessary, it is possible to configure the top drawer 24 of the kitchen base cabinet 7 a bit shorter in the depth direction in order to have sufficient space available in the rear region for arranging the fans 19.

[0147] The fans 19 each have a fan wheel 25. A diameter D of the fan wheels 25 is 80 mm.

[0148] The hob system 1 is designed as a compact appliance and can thus be easily and quickly inserted into the workplace 8 as a preassembled system. The hob system 1 designed as a compact appliance thereby comprises the housing 12, the hob 2 and the fume extractor device 3, wherein the negative pressure duct 17 and the fans 19 of the fume extractor device 3 are complete with the compact appliance, whereas the positive pressure duct 26 arranged downstream of the fans 19 is only partially associated with it.

[0149] The mode of operation of the hob system 1, the fume extractor device 3, the hob 2 and the cooking goods carrier 4 is as follows:

[0150] The start-up of the hob system 1 is carried out via the user interface 9. User inputs for controlling the heating units 5 and the fans 19 are transmitted to the control unit via the user interface 9. By means of the control unit, electrical energy is provided to operate the heating units 5 and the fans 19. Via the control unit, status and performance data of the heating units 5 and the fans 19 are transmitted to the user interface 9 and visually displayed via the user interface 9.

[0151] The heating units 5 and the fans 19 can be switched with electrical power independently of one another by means of the control unit. By activating the heating unit 5 arranged in the region of the extraction section 22a, exclusively the cooking goods 6 arranged there is heated. By activating the fan 19 connected with the extraction section 22a, cooking vapors are drawn off via the inflow ducts 10 associated with the extraction section 22a.

[0152] With reference to FIG. 3, a further embodiment of the hob system 1 according to the invention is described below. In contrast to the preceding embodiment, the inflow ducts 10 are arranged in an inhomogeneously distributed manner over a surface of the cooking goods carrier 4. In addition, inflow ducts 10 are also arranged in the region of the cooking zones 11. The negative pressure duct 17 in this case extends in particular between the heating unit 5 and the cooking goods carrier 4. For this purpose, the heating unit 5 is arranged at a distance from the cooking goods carrier 4. A number of the inflow ducts 10 per unit area is greater in an edge region of the respective cooking zone 11 than in a center region of the respective cooking zone 11, and greater than in an edge region of the cooking goods carrier 4. A cross-sectional area of the inflow ducts 10 varies according to the position of the respective inflow duct 10 relative to the cooking zone 11. The inflow ducts 10 arranged in an edge region of the cooking zone 11 have a larger cross-sectional area than those inflow ducts 10 in the center region of the cooking zone 11 and in the edge region of the cooking goods carrier 4.

[0153] The inflow ducts 10 are designed to be permeable to gases and liquids. A collection tray 27 for overflowing liquids is arranged below the cooking goods carrier 4. In a top view, the collection tray 27 overlaps a plurality of the inflow ducts 10.

[0154] The hob system 1 comprises six hobs 2, each with a cooking goods carrier 4. The carriers for food to be cooked 4 of the respective hobs 2 are formed separately from one another.

[0155] The mode of operation of the hob system 1 according to the embodiment shown in FIG. 3 corresponds to the mode of operation of the hob system 1 according to the embodiment described above. Due to the fact that the hob system 1 comprises a plurality of hobs 2 with only a single heating unit 5, the dimensions of the carriers for food to be cooked 4 are correspondingly small. The carriers for food to be cooked 4 can thus be removed particularly easily from the respective receptacle of the cooking goods carrier 13 and cleaned, in particular in a dishwasher.

[0156] After removing the carriers for food to be cooked 4 from the respective receptacle of the cooking goods carrier 13, the collection trays 27 can be easily cleaned from above. The filter 14 arranged on the respective cooking goods carrier 4 can be cleaned or replaced particularly easily.

[0157] With reference to FIG. 4 to FIG. 6, a further embodiment of the invention is described. In contrast to the embodiments described above, the cooking goods carrier 4 has a single inflow duct 10. An upper side of the inflow duct 10 forms the single inflow opening 18 of the fume extractor device 3. The inflow opening 18 is covered by an inflow grille 28.

[0158] The hob system 1 comprises a hob cover 29 for reversibly covering the cooking goods carrier 4 and the inflow opening 18. The hob cover 29 comprises a cover body 30 that is displaceable relative to the cooking goods carrier 4. The cover body 30 can be arranged in a closed position and in an open position. In the closed position, the cover body 30 completely covers the cooking goods carrier 4 and the inflow opening 18 in a top view. The cover body 30 comprises a closure seal 31 for airtight closure of the inflow opening 18 in the closed position.

[0159] The hob cover 29 is hinged to the hob 2. In the open position, the hob cover 29 exposes the cooking goods carrier 4, in particular the cooking zones 11, for heating the cooking goods, as well as the inflow opening 18 for extracting cooking vapors.

[0160] The surface of the cooking goods carrier 4 is arranged flush with the surface of the workplace 8. In the closed position, the cover body 30 rests on the edge of the workplace 8. According to an alternative embodiment not shown, the surface of the cooking goods carrier 4 may be arranged below the surface of the workplace 8 and a surface of the hob cover 29 may be arranged flush with the surface of the workplace 8 in the closed position.

[0161] FIG. 5 shows a section of the hob system 1 from below. The fume extractor device 3 of the hob system 1 comprises four fans 19. The fans 19 have a horizontally oriented axis of rotation 20. In a top view, the fans 19 are arranged in an equidistantly and equiangularly distributed manner around a vertical axis extending through a center of area of the inflow opening 18. The rotational axes 20 of respectively two mutually adjacent fans 19 are oriented at an angle of 90° to each other. The diameter D of the fan wheels 25 is 120 mm. The fans 19 are designed as axial fans.

[0162] The fans 19 are connected with the inflow opening 18 via a common negative pressure duct 17. The fume extractor device 3 comprises a positive pressure duct 26 connecting the fans 19 in a fluid-conducting manner.

[0163] As shown in FIG. 6, a total installation height H of the hob system is 150 mm. Downstream of the inflow opening 18, a hollow cylindrical filter 14 with a collection tray 17 for overflowing liquids is arranged. The filter 14 is designed as a grease filter.

[0164] The mode of operation of the hob system 1 according to the embodiment shown in FIGS. 4 to 6 corresponds to the mode of operation of the hob system 1 according to the preceding embodiments. The inflow grille 28 is reversibly removable from the cooking goods carrier 4. The filter 14 can be removed from the inflow opening 18. The hob cover 29 can be pivoted between the closed position and the open position. The cooking goods carrier 4 is firmly connected with the workplace 8.

[0165] With reference to FIG. 7 and FIG. 8, a further embodiment of the invention is described. In contrast to the preceding embodiments, the hob system 1 comprises a hob 2 with four heating units 5 arranged side by side. An inflow opening 18 of the fume extractor device 3 has a rectangular contour and is arranged behind the heating units 5 or the cooking zones 11. The inflow opening 18 is in air-conducting communication with four fans 19, each of which has a fan wheel 25, via a negative pressure duct 17. The axes of rotation 20 of the fan wheels 25 are parallel to each other and horizontally oriented.

[0166] A maximum front installation height H.sub.V in a horizontal region from a front edge 20a to a geometric center of area SP of the hob system 1 is 120 mm or less. In particular, the installation height H.sub.V of the hob system 1 in this region may be in the range of only 3 cm to 5 cm. In particular, the hob system 1 has such a low installation height starting from its front edge 20a over a depth T of at least 30 cm, in particular at least 40 cm. A total installation height H of the hob system 1 is 180 mm or less.

[0167] The hob cover 29 has two cover bodies 30. The two cover bodies 30 can be arranged independently of one another between the open position and the closed position. In the closed position, each of the cover bodies 30 completely covers two of the cooking zones 11, respectively, and covers the inflow opening 18 in a half-sided manner.

[0168] The two cover bodies 30 are each attached to the hob system 1 via a rotary mechanism 31a. The rotary mechanism 31a has a drive spring, which is not shown, and a damper element, which is also not shown. The rotary mechanism 31a ensures a smooth and dampened-in-motion opening and closing of the respective cover body 30.

[0169] As shown in FIG. 8, the fume extractor device 3 comprises two filters 14a, 14b arranged in the negative pressure duct 17. The first filter 14a arranged downstream of the inflow opening 18 in the flow direction is designed as a grease filter, and the second filter 14b is designed as an odor filter. In particular, an activated carbon filter serves as an odor filter. The second filter 14b may in particular have one or more activated carbon elements. These can be exchanged in a simple manner. In particular, they may be removable through the inflow opening 18.

[0170] Alternatively or in addition to the second filter 14b in the negative pressure duct 17, an odor filter, in particular in the form of an activated carbon filter, may be arranged on the downstream side of at least one of the fans 19. In particular, it is possible to arrange a corresponding odor filter on the downstream side to each of the fans 19. These odor tilters are preferably replaceable, in particular replaceable without tools. In particular, they may be removed from the positive pressure duct 26 via respective removal openings provided.

[0171] The hob cover 29 each includes one closure lid 32 connected with the cover body 30 for airtight closure of the inflow opening 18. The cover body 30 is spaced from the closure lid 32.

[0172] The mode of operation of the hob system 1 corresponds to the mode of operation of the hob system 1 according to the previously mentioned embodiments. Due to the relative displaceability of the cover bodies 30 with respect to each other, the inflow opening 18 can optionally not be covered at all, be covered in a half-sided manner or completely. In the case of half-sided covering of the inflow opening 18, the extraction performance in the uncovered region of the inflow opening 18 is increased while the performance of the fans 19 remains the same. The uncovered cooking zones 11 can still be used for heating cooking goods 6. The cooking zones 11 covered by the cover body 30 are automatically deactivated. For this purpose, the control unit is in signal communication with contact switches 33 for detecting the cover body 30 arranged in the closed position.

[0173] With reference to FIG. 9 and FIG. 10, a further embodiment of the invention is described. In contrast to the previous embodiments, the fume extractor device 3 comprises two inflow openings 18, which are formed by two inflow ducts 10 penetrating the cooking goods carrier 4. The fume extractor device 3 also comprises two guiding elements 34, which are each arranged adjacent to the inflow openings 18 and are oriented in parallel to a main extension of the inflow openings 18. The guiding elements 34 are each formed as a single curved shell. The guiding elements 34 are displaceable relative to the cooking goods carrier 4 between a reset position and a guiding position. In the guiding position, the respective guiding element 34 is arranged at least in portions above the cooking goods carrier 4. In the guiding position, the respective guiding element 34 shades an upper space, located upstream of the respective inflow opening 18, on one side with respect to the inflow opening 18. In the reset position, an upper side of the respective guiding element 34 is arranged flush with the surface of the respective inflow opening 18 adjacent thereto.

[0174] The guiding elements 34 have a closure element 35. The closure element 35 is designed to cover the respective inflow opening 18 in the reset position.

[0175] As shown in FIG. 10, the hob system 1 has one sliding guide 36 each for displacing of the guiding elements 34.

[0176] The mode of operation of the hob system 1 shown in FIG. 9 and FIG. 10 corresponds to the mode of operation of the hob system 1 according to the embodiments described above. The displacement of the respective guiding element 34 along the sliding guide 36 enables a one-sided shading of the upper space for the directed extraction of the cooking arts in the guiding position and a closure of the respective inflow opening 18 in the reset position, wherein an escape of odors from the fume extractor device 3 is reliably prevented.

[0177] With reference to FIG. 11 and FIG. 12, a further embodiment of the invention is described. In contrast to the previous embodiments, the hob system 1 has a cooking goods carrier 4, three heating units 5 and one fume extractor device 3 with exactly one fan 19. The fan 19 of the fume extractor device 3 is designed as a radial fan. The fan 19 is in fluid-conducting communication with the inflow opening 18 via the inflow duct 10.

[0178] A total width B of the hob system 1 is 560 mm. A total installation height H of the hob system 1 including the fan 19 is 180 mm. The depth T of the hob system 1 is 515 mm.

[0179] The fume extractor device 3 comprises the fan 19, wherein the hob system 1 is designed as a combined appliance for one-piece installation in the workplace 8.

[0180] The inflow opening 18 of the fan 19 penetrates the cooking goods carrier 4. The inflow opening 18 is circular in a top view. The fume extractor device 3 has an inflow grille 28 which can be arranged reversibly at the inflow opening 18. In a top view, the inflow grille 28 completely covers the inflow opening 18. The inflow grille 28 comprises lamellar guiding elements 34 arranged concentrically to one another to support a laminar extraction of the cooking vapors through the inflow grille 28 and the inflow opening 18.

[0181] A geometric center of area 37 of the inflow opening 18 is arranged at a distance from a geometric center of area 38 of the cooking goods carrier 4. A distance a.sub.E between the geometric center of area 37 of the inflow opening 18 and the geometric center of area 38 of the cooking goods carrier 4 is 100 mm. The geometric center of area 37 of the inflow opening 18, in the top view, is arranged at a distance from the geometric center of area 38 of the cooking goods carrier 4, along a width direction 39 as well as along a depth direction 40.

[0182] A smallest distance a.sub.H1 between the geometric center of area of the cooking goods carrier 4 is 75 mm and a smallest distance a.sub.H2 between the geometric center of area 38 of the cooking goods carrier 4 is 10 mm. A smallest distance a.sub.EH1 between the inflow opening 18 and the first heating unit 5 is equal to a smallest distance a.sub.EH1 between the inflow opening 18 and the second heating unit 5 and equal to a smallest distance a.sub.EH3 between the inflow opening 18 and the third heating unit 5. The smallest distance a.sub.EH1, a.sub.EH2, a.sub.EH3 between the inflow opening and the heating units 5 is 40 mm.

[0183] The hob system 1 has the user interface 9. The user interface 9 comprises a touch-sensitive surface 41 and a plurality of display elements 42. The user interface 9 is configured for controlling the heating units 5 and the fume extractor device 3. The user interface 9, in a top view, is arranged relative to one of the heating units 5 opposite to the inflow opening 18. In particular, an outer edge of the user interface 9 is arranged along the width direction 39 and along the depth direction 40 spaced apart from the geometric center of area 38 of the cooking goods carrier 4. The user interface 9 is arranged in a lateral edge region of the cooking goods carrier 4.

[0184] In FIG. 12, the hob system 1 is shown in a side view. The fan 19 comprises a fan housing 43. The fan housing 43 is arranged above a lowest point of the inflow duct 10. A distance between the lowest point of the inflow duct 10 and the fan housing 43 is 50 mm. The fan housing 43 is arranged completely below the heating elements 5. A particularly compact design of the hob system 1 in the horizontal direction is thus ensured.

[0185] The hob system 1 is at least partially received in a kitchen base cabinet 42a. The hob system 1 penetrates the workplace 8, which is supported on the kitchen base cabinet 42a. A cabinet width B.sub.K of the kitchen base cabinet 42a is 600 mm. A cabinet depth T.sub.K of the kitchen base cabinet 42a is also 600 mm. The kitchen base cabinet 42a has a storage space 42b for receiving the hob system 1 and drawers or shelves. A storage space width B.sub.S of the kitchen base cabinet 42a is 580 mm.

[0186] The kitchen base cabinet 42a includes insulation 43a. The insulation 43a is arranged on the kitchen base cabinet 42a such that it surrounds a bottom side and a front side of the hob system 1. The insulation 43a ensures a reduced noise emission and a reduced heat input into a lower portion of the kitchen base cabinet 42a.

[0187] The mode of operation of the hob system 1 according to this embodiment corresponds to the mode of operation of the hob systems 1 described above.

[0188] FIG. 13 shows another embodiment of a hob system 1. In contrast to the hob systems 1 described above, an initial portion 44 of the inflow duct 10 has a central longitudinal axis 45 which is oriented obliquely to a hob normal 46. An angle between the central longitudinal axis 45 of the initial portion 44 and the hob normal 46 is 45°.

[0189] The initial portion 44 is circular in cross-section. The inflow opening 18 is elliptical in shape due to the oblique orientation of the central longitudinal axis 45 to the hob normal 46.

[0190] Due to the fact that the total width B of the hob system is a maximum of 600 mm, in particular 560 mm, it is possible for the first time to arrange the hob system 1 with the fume extractor device 3 in a kitchen base cabinet 42a with especially small dimensions. Advantageously, as a result, such hob systems 1 can be used in a particularly flexible manner and can thus be installed to a considerably greater extent. A design of the hob system 1 with an installation height of a maximum of 200 mm is particularly advantageous, since the storage space 42b is thereby maintained to the greatest possible extent for accommodating, for example, kitchen utensils.

[0191] FIG. 14 and FIG. 15 show a further embodiment of the hob system 1. In contrast to the hob systems 1 described above, the fume extractor device 3 comprises two fans 19, each with fan wheels 25 rotatably mounted about an axis of rotation 20, wherein the axes of rotation 20 each are oriented in an inclined manner to a horizontal plane and to a vertical direction. The hob system 1 comprises four heating units 5 which are rectangular in a top view. The heating units 5 and the fume extractor device 3 are in signal communication with a user interface 9.

[0192] The fume extractor device 3 has an inflow opening 18 arranged centrally at a cooking goods carrier 4. An initial portion 44 of a negative pressure duct 17 is connected to the inflow opening 18.

[0193] The fans 19 each have a fan housing 43. The fan housing 43 comprises a negative pressure connection opening 47. The initial portion 44 penetrates the negative pressure connection opening 47. A duct connection 48 connects the initial portion 4 to the fan housing 43 in a fluid-tight manner.

[0194] A connection normal 49 is oriented perpendicularly to the negative pressure connection opening 47. The connection normal 49 encloses a connection angle α of 80° with the axis of rotation 20.

[0195] Power electronics 50 for supplying the heating units 5 are mounted below the respective heating unit 5. Due to the inclination of the axis of rotation 20, space required for the power electronics 15, in particular for individual components of the power electronics 15 which require a lot of installation space, is provided in a region between the respective heating unit 5 and the fan 19.

[0196] The two fans 19 overlap the heating units 5 in both a top view and a side view. As a result, the hob system 1 is configured in a particularly compact manner. An total installation height H is 180 mm.

[0197] A suction direction 51 of the fan 19 has a directional component facing vertically upward. The suction direction 51 is oriented in parallel to the axis of rotation 20. Due to the fact that the suction direction 51 has the upwardly facing directional component, the fan 19 is reliably protected from penetrating liquids.