EP2543932A1 - Küchenofen mit verbesserten Kocheigenschaften - Google Patents

Küchenofen mit verbesserten Kocheigenschaften Download PDF

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Publication number
EP2543932A1
EP2543932A1 EP11425183A EP11425183A EP2543932A1 EP 2543932 A1 EP2543932 A1 EP 2543932A1 EP 11425183 A EP11425183 A EP 11425183A EP 11425183 A EP11425183 A EP 11425183A EP 2543932 A1 EP2543932 A1 EP 2543932A1
Authority
EP
European Patent Office
Prior art keywords
separator
oven
communication holes
cooking compartment
depression
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.)
Withdrawn
Application number
EP11425183A
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English (en)
French (fr)
Inventor
Auro Po
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Steel Srl
Original Assignee
Steel Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Steel Srl filed Critical Steel Srl
Priority to EP11425183A priority Critical patent/EP2543932A1/de
Publication of EP2543932A1 publication Critical patent/EP2543932A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/32—Arrangements of ducts for hot gases, e.g. in or around baking ovens
    • F24C15/322—Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation
    • F24C15/327—Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation with air moisturising

Definitions

  • the present invention refers to the field of kitchen ovens intended for the cooking of food, and is in particular concerned with an oven for cooking for domestic applications intended for the cooking of dishes placed in its cooking compartment.
  • Ovens that present the possibility of introducing steam into the cooking chamber generally comprise complexly structured electromechanical systems that allow for the production of steam and its flow regulation in the cooking chamber.
  • Such systems comprise at least a pressurizable water tank, means for heating the water that are separate from the main heating means of the oven, as well as conduits and means for moving the water vapor produced in the tank.
  • ovens with integrated steam function known from prior art often prove to be fairly difficult to use because they require that the end user learns how to program the steam function.
  • the technical problem that lies at the basis of the present invention is therefore that of creating an oven that improves the cooking of food by using, in addition to the traditional cooking system, a steam generating system inside the cooking chamber, without involving a notable increase in production costs compared to the production of ovens without steam generating systems, that is easy and instantaneous to use and whose required maintenance is extremely low, in the context of a simple and rational constructive solution.
  • a kitchen oven comprising a cooking compartment, at the lower end defined by a bottom surface, and heating means able to raise the temperature in said cooking compartment to levels that are sufficiently high to cook food, moreover comprising a bottom plate having a central depression integrally formed with it and extending all the way to the proximity of the lateral perimeter of the bottom surface; a separator that obstructs said central depression from above and separates it from the cooking compartment, said separator helping to define said substantially continuous and planar bottom surface, said separator comprising communication holes between the central depression and the cooking compartment, said heating means being located directly beneath said central depression.
  • This modified bottom plate can easily be produced by means of traditional molding processes. Moreover, if its thickness is kept limited (in other words, if the central depression has a depth that is less than 30 mm), it can also substitute the bottom plates of traditional commercially available ovens without having to redesign the production and assembly lines currently in use.
  • the oven according to the invention can moreover comprise obstruction means of said communication holes that can be operated by a user to allow for the adjustment of the inflow of steam into the cooking compartment.
  • these obstruction means are selectively configurable to allow for the opening, the partial obstruction or the complete obstruction of said communication holes.
  • obstruction means are preferably of a mechanical type and operable by a user without the need to remove said separator.
  • This solution presents the advantage of allowing an easy and intuitive disposition of the traditional cooking operations with the addition of steam, so as to comply with the needs of users that may be less versed in the use of electronic equipment.
  • the obstruction means can be configured as a regulator disk that is rotatably associated below said separator in correspondence with a hinging point, said regulator disk being able to at least occupy a position of complete obstruction, in which said communication holes are completely obstructed by the regulator disk, and an open position, in which said communication holes are placed in correspondence with the apertures in the regulator disk.
  • the oven can comprise a knob solidly attached to the regulator disk and placed through a slot in the separator so that it protrudes inside the cooking compartment, said knob being able to slide inside said slot between a first end position, corresponding to the open position of the regulator disk, and a second end position, corresponding to a position of complete obstruction of the regulator disk.
  • Said knob can advantageously be located in proximity to the oven door, so that it is easily accessible for the user.
  • the communication holes can be aligned along a plurality of radial lines that depart from the hinging point and said apertures can be radial slits that can selectively be aligned with said radial lines.
  • said radial slits may have two different widths that allow the regulator disk to vary between an open position, in which all communication holes find themselves opposite respective radial apertures, and a position of partial obstruction, in which only the radial apertures with greater width remain in a position opposite respective communication holes.
  • the radial slits can alternately be of larger and of smaller width.
  • a central support of the separator can be applied in correspondence with the hinging point.
  • the separator can moreover also contain at least one refill hole, with a diameter that is greater than the one of the communication holes, to allow water to be added to the interior of the central depression.
  • This refill hole can also be selectively obstructable by means of the obstruction means.
  • the previously mentioned bottom plate can moreover comprise a flat peripheral portion integrally formed with said central depression, said peripheral portion helping together with the separator to define the substantially continuous and planar bottom surface, which is particularly advantageous for the previously mentioned reasons.
  • the central depression can moreover comprise a lowered perimeter edge with respect to the peripheral portion which is intended to receive in abutment a corresponding perimeter edge of the separator.
  • the number 1 generically identifies a kitchen oven according to the present invention, able to cook food in an optimal fashion with the help of steam generated directly inside the oven's interior.
  • kitchen oven means in particular in the present patent an oven intended for the cooking or otherwise for the preparation of food and dishes, independent of its intended industrial or domestic use.
  • the latter is in any case to be considered as the preferred one and it is to this use that the specific embodiment described hereafter refers,
  • the kitchen oven 1 is represented in figures 1 and 2 according to a normal operational configuration; in the following description the positions and orientations, both relative and absolute, of the various elements that form the oven, defined by means of terms such as upper and lower, above and below, horizontal and vertical or other equivalent terms, are always to be interpreted with reference to this configuration,
  • the kitchen oven 1 comprises a main body that on the inside defines a cooking compartment 2 intended for the introduction of food that is to be heated or cooked.
  • the cooking compartment 2 substantially parallelepiped, is delimited at the lower end by a bottom surface 3 with a rectangular perimeter from which three lateral walls 9b rise up that connect it to an upper wall 9a.
  • the fourth lateral face of the cooking compartment 2 is defined by an openable door 11.
  • the kitchen oven comprises a bottom plate 5 that is obtained from a single metal plate formed by molding.
  • This bottom plate 5 has a flat peripheral portion 5b that surrounds a central depression 5a, also integrally formed with the bottom plate 5, which, as will become clear from the following description, defines a water basin.
  • heating means are located that in the specific embodiment described here take the form of an electric heating element (not visible in the figures).
  • This electric heating element is positioned in such a way that it lightly touches the lower wall of the central depression 5a.
  • the central depression 5a in the example of a rectangular shape and with a flat bottom surface, presents a moderate depth, preferably less than 30 mm, and in size is extended up and in proximity to the three lateral walls 6b and the oven door 11.
  • the central depression 5a presents a difference in height that creates a perimetrical flat shoulder that forms a peripheral border 5c that is also flat, of moderate and uninterrupted width, preferably between 5 and 20 mm, and having a depth between 1 and 5 mm.
  • a threaded hole that longitudinally traverses said pin 8 allows for the stable attachment of the separator 6 by means of an apposite screw 10.
  • This fixation system of the separator 6 to the bottom plate 5 is evidently described only by way of example; it can be eliminated or replaced by other equivalent technical solutions that will be evident to a person skilled in the art.
  • the thickness of the separator 6 is equal to the height difference between the peripheral border 5c of the central depression 5a and the peripheral portion 5b of the bottom plate 5, so that the separator 6 and the peripheral portion 5b of the bottom plate 5 together form a flat, uninterrupted and uniform bottom surface 3.
  • the separator 6 there is a plurality of communication holes 6a, grouped in ten series of holes aligned along equiangular lines radiating from a central point.
  • the basin formed by the central depression 5a is in communication with the cooking compartment 2 through the communication holes 6a, where the plane of the bottom plate of the cooking compartment is uniform.
  • regulation means for the steam exiting through the holes 6a. These regulation means can be operated directly by the user accessing the cooking compartment 2 of the oven 1.
  • these regulation means are in the form of a regulator disk 7 rotatably associated with the separator 6 and located below the separator itself.
  • the regulator disk 7 permits the holes 6a to be selectively obstructed, so that all the holes 6a or only part of them can be obstructed or all of them left open, depending on the quantity of steam one wishes to let into the cooking compartment 2 in order to improve the oven preparation of the food.
  • the regulator disk 7 comprises two series of elongated apertures 7a, 7b in a radial direction, a first series 7a having a greater width than a second series 7b.
  • the regulator disk 7 presents each aperture of greater width 7a alternating with a respective aperture of smaller width 7b.
  • five apertures with greater width 7a are visible (in the shape of angular sectors with increasing widths in the direction away from the central point) and five apertures of smaller width 7b (in the shape of an elongated aperture of invariable width).
  • Figures 5A-5D show the back of the separator 6 so as to better understand the various positions of the regulator disk 7 with respect to the separator 6 to which it is rotatably attached.
  • the regulator disk 7 can be placed in four alternative positions with respect to the holes: an open position, a position of partial obstruction, a position of total obstruction and a position for adding water.
  • an open position Fig. 5C
  • each of the apertures 7a, 7b is placed below a corresponding series of holes, and as a result none of the communication holes 6a of the separator 6 will be obstructed, thereby permitting a larger quantity of steam to enter the cooking compartment 2.
  • the position of partial obstruction ( Fig.
  • a knob 7c Solidly attached to the regulator disk 7 is a knob 7c that allows an external operator to control the disk, This knob 7c protrudes through a curved slot 6c of the separator 6, so that it projects vertically from the plane of the separator 6, thereby being easily accessible to an operator.
  • the slot 6c advantageously located in proximity to the openable door of the oven 1, is shaped as a circumferential arc and it defines at its extremities two end stops for the knob 7c.
  • the regulator disk 7 is rotated so that the apertures 7a, 7b are brought in correspondence with the holes 6a so that they place the basin formed by the depression 5a in communication with the cooking compartment 2 of the oven 1 ( Fig.
  • the separator 6 furthermore presents the refill hole 6b, advantageously placed in the area in proximity to the openable door of the oven.
  • This refill hole 6b whose function is that of permitting the underlying basin formed by the central depression 5a to be filled with water, can also selectively be obstructed by the regulator disk 7 described above.
  • the knob 7c is placed in a different position between the center of the slot 6c and the extremity of Fig, 5A .
  • the kitchen oven 1 can be used to improve cooking, in that the realization of the system that allows steam to be generated inside the cooking compartment is extremely efficacious and manufactured with facility.
  • the oven according to this realization is extremely versatile because when the holes of the separator are blocked, the oven is entirely identical to a traditional oven without steam function.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)
EP11425183A 2011-07-08 2011-07-08 Küchenofen mit verbesserten Kocheigenschaften Withdrawn EP2543932A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11425183A EP2543932A1 (de) 2011-07-08 2011-07-08 Küchenofen mit verbesserten Kocheigenschaften

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11425183A EP2543932A1 (de) 2011-07-08 2011-07-08 Küchenofen mit verbesserten Kocheigenschaften

Publications (1)

Publication Number Publication Date
EP2543932A1 true EP2543932A1 (de) 2013-01-09

Family

ID=44971156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11425183A Withdrawn EP2543932A1 (de) 2011-07-08 2011-07-08 Küchenofen mit verbesserten Kocheigenschaften

Country Status (1)

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EP (1) EP2543932A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4063748A1 (de) * 2021-03-26 2022-09-28 Antonio Andreatta Ofen zum kochen von nahrungsmitteln und dampferzeugungsvorrichtung für einen ofen zum kochen von nahrungsmitteln
EP4063740A1 (de) * 2021-03-26 2022-09-28 Antonio Andreatta Dampferzeugungsvorrichtung für einen ofen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06217880A (ja) * 1993-01-27 1994-08-09 Sharp Corp 電子レンジ用蒸し容器
US20060081592A1 (en) * 2004-09-30 2006-04-20 Williams Rafe T Natural convection steam cooking device
EP2088378A2 (de) * 2008-02-05 2009-08-12 Samsung Electronics Co., Ltd. Ofen mit Dampferzeugungseinheit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06217880A (ja) * 1993-01-27 1994-08-09 Sharp Corp 電子レンジ用蒸し容器
US20060081592A1 (en) * 2004-09-30 2006-04-20 Williams Rafe T Natural convection steam cooking device
EP2088378A2 (de) * 2008-02-05 2009-08-12 Samsung Electronics Co., Ltd. Ofen mit Dampferzeugungseinheit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4063748A1 (de) * 2021-03-26 2022-09-28 Antonio Andreatta Ofen zum kochen von nahrungsmitteln und dampferzeugungsvorrichtung für einen ofen zum kochen von nahrungsmitteln
EP4063740A1 (de) * 2021-03-26 2022-09-28 Antonio Andreatta Dampferzeugungsvorrichtung für einen ofen

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