EP2426419A1 - Procédé destiné à l'exécution d'un processus de cuisson - Google Patents

Procédé destiné à l'exécution d'un processus de cuisson Download PDF

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Publication number
EP2426419A1
EP2426419A1 EP11178935A EP11178935A EP2426419A1 EP 2426419 A1 EP2426419 A1 EP 2426419A1 EP 11178935 A EP11178935 A EP 11178935A EP 11178935 A EP11178935 A EP 11178935A EP 2426419 A1 EP2426419 A1 EP 2426419A1
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EP
European Patent Office
Prior art keywords
cooking
time
parameter
cooking process
rotation
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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EP11178935A
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German (de)
English (en)
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EP2426419B1 (fr
Inventor
Christine Haas
Martin Heim
Dr. Thomas Tils
Jürgen KLASMEIER
Wolfgang Schmidberger
Aldo Paintner
Nicole Echtler
Simone Möller
Peter Wiedemann
Bruno Maas
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Rational AG
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Rational AG
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Publication of EP2426419A1 publication Critical patent/EP2426419A1/fr
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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
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • 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

Definitions

  • the present invention relates to a method for carrying out a cooking process in at least one cooking chamber of a cooking appliance under at least temporary circulation of the cooking chamber by means of a circulating device, wherein at least one first impeller of the circulating device is driven about a first axis of rotation during at least one cooking process step of the cooking process such that at least one first rotational direction change from a first rotational state in which the first fan is rotated in a first rotational direction, in a second rotational state in which the first fan in a first rotational direction opposite, second rotational direction is rotated, and then a second rotational direction change from the second rotational state be performed in the first rotational state, wherein a cycle duration as the duration of a cycle, comprising at least two first rotational direction change between which a second rotation direction change is performed, depending is set by at least a first parameter of the cooking process.
  • the WO 84/01266 A1 a method and an oven for treating products with a heated air flow.
  • two fan wheels are provided which are mutually drivable in opposite directions.
  • one of the two fans is operated alternately, with a reversal of the flow direction by switching between the fans with a fixed frequency.
  • the DE 24 03 294 C2 a furnace for heat treatment of food, in which a mutual switching on and off of two counter-rotating rotors is performed, wherein in a temporal overlap area both rotors are driven, while in the remaining period of one of the rotors is mechanically decoupled from a drive means. Again, the switching takes place at a predetermined frequency.
  • the DE 103 16 503 B3 relates to an oven and a method for operating a baking oven, which has a baking chamber in which the baked goods to be baked can be received, and with at least two fans for circulating the air in the baking chamber.
  • a synchronizing phase is provided between the fans, during which the fans are driven in the same direction circumferentially, while in addition at least one mating phase is provided, in which the fans are driven in opposite directions, wherein in addition still the direction of the respective fans is reversed.
  • the respective phase length be determined by dividing the total duration of the cooking process by a multiple of four.
  • the synchronous and countercurrent phases may have different lengths.
  • a disadvantage of this method is that at least two fans must be used forventdisposedung and, although the uniformity is related to a cooking result and a browning by reversing fan wheels positively affected, but no adequate adjustment of the cycle times of direction changes to the different cooking operations possible and so an optimally cooked and browned food is not always obtained.
  • a drive device of the circulation device arise. Due to the heat radiation, an increased alternating frequency also leads to heating in the region of a space in which a drive unit of the circulation device is arranged, as a result of which a temperature gradient is generated in the adjacent cooking space. Also, the increased alternating frequency leads to an increase in energy consumption, which is generally undesirable.
  • a generic method is from the WO 2006/121701 A1 in which a fan can be rotated in a clockwise or counterclockwise direction, the duration of rotation being able to be varied clockwise or counterclockwise, for example between 45 seconds during a cooking mode to avoid cooking irregularities, up to 60 seconds during cooking a preheat mode to reduce the preheat time as well as the wear of the blower motor.
  • the fan can z. B.
  • the duration of each cycle depends on a parameter of the cooking process, namely one for a mode, cooking mode or preheat mode, which may result in different cooking appliances to different effects, in particular lifetimes of the circulating device.
  • a minimum cycle duration and a maximum cycle duration are specified independently of a parameter of the cooking process, however, as a function of a parameter and / or an operating parameter of the cooking appliance, and the cycle duration is equal to or longer than the predetermined minimum cycle duration of more than zero seconds and less than the predetermined maximum cycle time, and the first minimum cycle duration and the first maximum cycle duration are set independently of the first parameter.
  • At least a second fan of the circulating means is at least temporarily rotated about a, in particular substantially parallel to the first axis of rotation extending second axis of rotation during the cooking process, wherein at least a third rotational direction change of a third rotational state in which the second Fan is rotated in a third rotational direction, which corresponds in particular to the first rotational direction is rotated in a fourth rotational state in which the second fan in a third rotational direction opposite, fourth rotational direction, which corresponds in particular to the second rotational direction, and a fourth direction of rotation from the fourth rotation state to the third rotation state.
  • the first impeller and / or the second impeller is not reversed, wherein the first cooking process preferably a preheat, a cooling, a load detection and / or a holding phase, in the preferably no food is arranged in the cooking chamber, comprises and / or during at least a second cooking process step, which includes in particular a Beschwadung, the direction of rotation of the first fan and / or the second fan wheel is not changed and maintained for the duration of the second cooking process step.
  • a recirculation state is defined in each case by a single rotational state or a combination of at least two different rotational states, and that the recirculation conditions are repeated periodically.
  • the first rotation state is maintained for a first time period
  • the second rotation state is maintained for a second time period
  • the third rotation state is maintained for a third time period
  • the fourth rotation state is maintained for a fourth time period in that the cycle duration corresponds at least to the sum of the first time span and the second time span, optionally additionally to the sum of the third time span and the fourth time span.
  • the first period of time and the second time period and / or the first time period and the second time period in particular for setting different long Ummélzzulets, different lengths and / or can be selected in dependence on a second parameter of the cooking process, wherein preferably the first time period and the second time period is greater than a first predetermined and deviating from zero seconds first minimum value, for example 1 minute or 2 minutes, and less than a predetermined first maximum value, for example 2 minutes or 4 minutes, and / or preferably the third Period of time and the fourth period of time greater than a predetermined and deviating from zero seconds second minimum value, for example, 1 minute, and less than a predetermined second maximum value, for example 2 minutes are set, in particular the first minimum value, the first maximum value, the second Mi nimal value and / or the second maximum value is / are predetermined independent of the first parameter and / or the second parameter, and / or in particular the second minimum value is set equal to the first minimum value and /
  • a method according to the invention can also be characterized in that the cycle comprises at least a third rotation direction change and a fourth rotation direction change, preferably two third rotation direction changes are included.
  • the third rotation direction change is delayed by a first time offset to the second direction of rotation change and / or the fourth direction of rotation change is performed by a second time offset delayed to the first direction of rotation change, and the first time offset and / or the second Time offset is set or become dependent on a third parameter of the cooking process.
  • first time offset (t 3 -t 2) from the half of a maintenance of the first rotation state determining, first time period (At 1) and / or the second time offset (t 1) of the half of the maintenance of the second Rotational state determining second period (.DELTA.t 2 ) deviates or deviate, different for setting long Ummélzzuholder, wherein preferably the third parameter is representative of an asymmetry of a loading of the cooking chamber with food.
  • first time offset is equal to the second time offset
  • first time offset is equal to half of the first period of time
  • second time offset is equal to half of the second period of time to set equally long recirculation conditions.
  • a method according to the invention may be characterized in that a plurality of second fan wheels is used, wherein two third rotational direction changes of two second fan wheels delayed by a third time offset to each other and / or two fourth direction of rotation of two second fan wheels delayed by a fourth time offset performed wherein preferably the third time offset corresponds to the first time offset and / or the fourth time offset and / or the fourth time offset corresponds to the second time offset, and / or preferably the third time offset and / or the fourth time offset depending on at least a fourth parameter of the cooking process , which preferably corresponds to the third parameter, is set or be.
  • the third time offset is selected equal to half of the third rotational state determining the third time period and / or the maintenance of the fourth rotational state determining fourth time offset is equal to half of the fourth period selected to adjust the same length Umisselzzu researcher, or, in particular depending on the representative of an asymmetry of a loading of the cooking chamber with food fourth parameter, the third time offset from the half of the third period and / or the fourth time offset from the half of the second period deviates or differ for setting different long circulation conditions.
  • the operating parameter and / or the characteristic variable are determined from the number and / or arrangement of fan wheels and / or an energy intake, a heat output, an electrical resistance, an impedance, an ohmic resistance, and / or a sound level of the circulation device and / or a period of time for the first direction of rotation change, second direction of rotation change, third direction of rotation change and / or fourth change of direction.
  • the operating parameters and / or the characteristic of a drive unit of the first fan and / or the second fan is selected and / or the operating parameters and / or the characteristic during a first rotation direction change, second rotation direction change, third rotation direction change and / or fourth Direction of rotation change is determined.
  • the invention proposes that the cycle duration is selected equal to the minimum cycle duration if the total duration of the cooking process and / or the cooking process step falls below a predetermined minimum duration, and / or the cycle duration is selected equal to the maximum cycle duration, if the total duration of the cooking process and / or the Cooking process step exceeds a predetermined maximum duration.
  • a method according to the invention may also be characterized in that the cycle duration, the first time span, the second time span, the third time span and / or the fourth time span are set in such a way that during the entire cooking process and / or the entire cooking process step is passed through a predetermined number of cycles, if the duration of the cooking process and / or the cooking process step, a duration greater than the predetermined number of cycles multiplied by the minimum cycle duration and less than the predetermined number of cycles multiplied by the maximum cycle duration specified becomes.
  • the cycle duration, the first time span, the second time span, the third time span and / or the fourth time span be reduced, in particular the cycle duration is set equal to the minimum cycle duration if the first parameter, the third parameter and / or or the fourth parameter is changed during the cooking process and / or the cooking process step, the difference value of the temperature exceeds a first threshold, the target value of the temperature exceeds a second threshold and / or the duration of the cooking process and / or the cooking process step is shortened ,
  • the cycle duration, the first time span, the second time span, the third time span and / or the fourth time span is increased, in particular the cycle duration is set equal to the maximum cycle duration if the first parameter, the third parameter and / or or the fourth parameter is changed during the execution of the cooking process and / or the cooking process step, since the difference value of the temperature falls below a third threshold value, the target value of the temperature falls below a fourth threshold and / or the duration of the cooking process and / or Garretes is extended.
  • the rotational speed of the first fan wheel and / or the second fan wheel is changed in dependence on the first parameter, the third parameter and / or the fourth parameter.
  • the invention is therefore based on the surprising finding that by determining a minimum cycle duration and a maximum cycle duration for a cycle in which all Ummélzzutelln a circulation device are passed through, so for a uniform food treatment, especially cooking, all necessary directions of rotation of the or the fan wheels of the circulating device be ensured, regardless of the specific circumstances and requirements for a cooking process or a cooking process step, that an overuse of a drive unit of the fan wheel is avoided and at the same time the best possible homogenization of the cooking atmosphere to achieve an optimal cooking result for all cooking processes can be ensured.
  • the predetermination of the minimum cycle duration and the maximum cycle duration takes place independently of the respective cooking process to be carried out, however, as a function of at least one parameter and / or at least one operating parameter of the cooking device, preferably the circulating device, in particular a drive unit.
  • Suitable for this purpose are, for example, an energy consumption, resistance, degree of heating, degree of wear or noise level of the circulation device, for example in the case of a change of direction, ie a reversal of a direction of rotation of a fan wheel of the circulation device.
  • a cycle duration of the cycle and thus the respective duration of rotation of a fan in a first direction of rotation is only extended up to a predetermined value, while longer cooking processes a number of cycles and thus the changes of direction or reversals, at constant maximum duration of the cycles and time periods for rotations in the respective directions of rotation is increased.
  • the method according to the invention makes it possible to achieve the best possible equalization of the cooking chamber atmosphere even by using a single fan wheel, and thus a uniformity with respect to a cooking result, in particular a browning, can be achieved.
  • the method according to the invention is also an adjustment of the respective time periods for rotation in a corresponding direction of rotation for each Garrete independent of the other Garreteen determined and thus provided for each cooking process step an optimal cooking chamber atmosphere.
  • a minimum or maximum cycle duration for example four minutes or eight minutes.
  • a cycle duration describes the time span in which the respective circulation states of the circulation device are traversed, in particular two changes of direction of rotation take place.
  • this minimum cycle duration can be, for example, 4 minutes and the maximum cycle duration 8 minutes.
  • a total of at least four Umicalzzumen may be present, namely a left-hand rotation and a clockwise, at which the fan wheels are rotated in the same direction, in particular synchronously, and a left-right run or right-left run, that is, that the fan wheels are rotated in opposite directions.
  • a cycle initially comprises a first change in direction of rotation from a first rotation state into a second rotation state and then a second rotation direction change from the second into the first rotation state and is concluded with a renewed first rotation direction change or begins again with this first first rotation direction change new cycle.
  • the cycle times thus results in a change in the time span for a rotation of the respective fan in one of the respective directions of rotation.
  • the minimum cycle duration and the maximum cycle time By specifying the minimum cycle duration and the maximum cycle time, the number of fan impellers and the resulting number of recirculation states result in respective minimum values and maximum values for the time periods.
  • the minimum values and maximum values are dimensioned such that a sufficiently long discharge of the circulation device takes place during this time, for example, this can cool sufficiently, so that there is no overburden, for example a further heating, in a subsequent change of direction.
  • the fan wheel is reversed based on the minimum cycle duration or the minimum value for the time span.
  • a minimum duration for the cooking process or the cooking process step is thus for example 32 minutes.
  • the cooking time ie the duration of the cooking process and / or the duration of the cooking process step longer, followed by a dynamic adjustment by the number of cycles is indeed maintained, the cooking time or the duration of the cooking process step but divided by the number of cycles and thus the cycle time and from it the respective periods are or will be determined.
  • the maximum duration is thus for example 64 minutes.
  • the aim is always that the minimum cycle time or the minimum value is as low as possible, so that all circulation conditions are passed through even with short cooking times become.
  • the duration of the cooking process or the cooking process step is used.
  • the minimum cycle duration or the respective minimum value is therefore selected to be correspondingly large in order to avoid this overuse.
  • the different phases of cooking are run through on the other side, so that the cycle time can be limited to a maximum and also all states during a phase, especially a tanning phase, are run through.
  • the adjustment of the cycle duration or the respective time periods is carried out both when carrying out a manual cooking process or cooking process, as well as a programmed cooking process.
  • the cooking process step in a manual cooking, the entire cooking process, which is determined only by the specification of a temperature and a cooking time include, while in a programmed cooking, an adjustment of the cycle time or the respective time periods in the individual cooking process steps, essentially independent of a total cooking time or Assetulrete is performed.
  • first cooking process steps reversing completely be dispensed with for example, in an empty cooking chamber, which is also referred to as steady state, in which state also a rotational speed of the fan wheels can be reduced in a preheating, with this a fixed direction of rotation can be specified, a cooling of the cooking appliance, which in this also a direction of rotation of the fan wheels can be specified, as well as a load detection, in which also a predetermined direction of rotation of the fan wheels can be prescribed.
  • a fan wheel is likewise driven in a predetermined direction of rotation and without reversing.
  • a further adaptation of the cycle duration or time periods can be achieved by adjusting the cycle duration or the time span as a function of a cooking chamber temperature, ie using a cooking parameter such as a temperature as parameter of the cooking process for setting the time periods. It can thus be provided that in the case of a strong increase in a desired cooking chamber temperature, for example in the case where a desired value of the cooking parameter, for example the setpoint temperature, is at least 50 Kelvin above an actual value of the cooking parameter, for example an actual cooking temperature. Temperature is, ie exceeds a first threshold value or when exceeding a second threshold for a desired cooking space temperature, for example 120 ° C, reversing is performed with high frequency, in particular the cycle time to the minimum cycle time or the time periods are reduced to the minimum values.
  • a cycle duration can be increased, for example except for the maximum cycle time.
  • An adaptation of the cycle duration or time periods in the range between the minimum value and the maximum value or the minimum cycle duration and the maximum cycle duration can also take place if during the execution of the cooking process an adaptation of the duration of the cooking process or the cooking process step is lengthened or shortened, in particular by to achieve the desired number of cycles during the cooking process and / or cooking process step.
  • the invention provides that in the case in which a door of the cooking chamber is opened during the execution of a cooking process step, whereby the fan wheel is stopped, is detected after closing the door, if the remaining time for rotation in the respective direction of rotation, So the rest of the time, sufficient to start the fan again, or if the fan is rotated directly in the opposite direction.
  • a further adaptation can take place in that the time intervals for opposite directions of rotation are chosen to be different or the time offsets between changes in direction of rotation of different fan wheels are chosen such that one direction of rotation of one fan wheel does not occur after one half of the time span for a rotation of another fan wheel Time offsets for the different direction of rotation changes are chosen differently long. This ensures that the Ummélzzumen be present for different lengths, for example, to compensate for a non-uniform, in particular asymmetric loading of the cooking chamber.
  • the method according to the invention captivates by targeted activation of fan wheels for a special control of a cooking chamber climate. It is preferably a structure with a fan according to the non-prepublished DE 10 2008 053 145 A1 the applicant used. A11 this is marketed by the applicant under the name HiDensityControl.
  • FIG. 1 the rotational speeds v d of a circulation device in accordance with the method according to the invention are shown graphically over time t, the circulation device comprising two fan wheels.
  • a first graph 1 shown in a solid line indicates the rotational speed of a first fan
  • a graph 3 shown by a broken line represents the rotational speed of the second fan.
  • a time t 1 the direction of rotation of the second fan wheel is reversed, so that a second circulating state z 2 is established, in which the fan wheels are rotated in opposite directions.
  • the period of time t 1 to t 3 determines a third period of time ⁇ t 3
  • the addition of the periods of time t 3 to t 4 and to to t 1 and a period of time t 3 to t 5 represent a fourth time period ⁇ t 4
  • a renewed first direction of rotation change 5 'takes place, while the direction of rotation change 9 is designated at the time t 3 as the third and at the time t 1 as the fourth direction of rotation change 11.
  • the first time period .DELTA.t 1 , second time period .DELTA.t 2 , third time period .DELTA.t 3 and fourth time period .DELTA.t 4 are the same length and correspond to a minimum value, in this example two minutes. It follows that an entire cycle duration, that is, a passage through the states z 1 , Z 2 , Z 3 and z 4 takes a total of four minutes. In this cycle, the sequence of Umisselzzumen z 1 , Z 2 , z 3 and z 4 is run through. This duration also represents the minimum cycle duration.
  • a new cycle is started by a renewed first direction of rotation change 5 'at time t 4 , so that at time t 5, the second cycle Fan is reversed by a renewed fourth direction of rotation change 11 ', at time t 6, the first fan by a second second direction of rotation 7' and at time t 7 again the second fan by a new third direction of rotation change 9 'is reserved.
  • a reversal of the direction of rotation takes place in both directions, so there are two directions of rotation change with each fan.
  • the circulating means passes through the sequence of Umisselzzumen z ' 1 , z ' 2, z ' 3, z ' 4, with corresponding Umicalzzumen are designated the same, but simply deleted. Subsequently, a new cycle begins by passing through the states z '' 1 , z '' 2, z '' 3, and z '' 4, by corresponding reversion of the direction of rotation at the times t 8 , t 9 , t 10 , t 11 and t 12 .
  • the time period t 1 to t 3 in which the second fan is rotated in a first direction of rotation
  • the time period t 3 to t 5 ie the period during which the second fan is rotated in the opposite direction.
  • t 1 to t 2 ie t 2 -t 1 , etc. are also the same length, ie in particular a reversal of the direction of rotation of the second Fan at the time t 1 , which corresponds to half the time between t 0 and t 2.
  • the time offset between a reversal of rotation of the first fan and the second fan thus corresponds to half the period of rotation in a respective direction of rotation.
  • FIG. 2 is graphically over time the rotational speed v d of a circulating device comprising a single fan, shown, however, for different cooking periods or durations of a Garreaticianes.
  • a first graph 10 graphically shows the spin speed for a 12-minute cooking time, while a graph 12 represents the spin speed for a 48-minute cooking process and the graph 14 shows the spin speed for a cooking duration longer than 48 and more than 64, respectively Minutes, represents.
  • a cycle duration corresponding to a minimum cycle time since only two cycles are passed, has been chosen to be four minutes.
  • the cooking time of 12 minutes is therefore below a maximum duration, for example 32 minutes.
  • the first and second time period is evenly extended so that a total cycle time of 6 minutes results.
  • This cycle time is obtained by dividing the total cooking time of 48 minutes by eight cycles, so that one Cycle time of six minutes, thus giving a first and second period of three minutes.
  • the cycle time is also increased to a point where a maximum cycle time, in this case eight minutes, is reached, that is, the first and second time periods reach four minutes. Then the maximum duration of 64 minutes is exceeded.
  • the number of cycles is further increased. However, the time period is not further increased so that, since there is only one fan wheel, a state change occurs every four minutes and a cycle of eight minutes each is passed through.
  • Fig. 3 are graphically the rotational speeds v d of a circulating device, which also includes two fan wheels shown.
  • time t 4 '' is a represented by a graph 16 'target food temperature GT is to change such that either a threshold value, for example 120 ° C, is exceeded or the temperature change, that is, the difference between a cooking compartment actual temperature
  • a threshold value for example 120 ° C
  • the temperature change that is, the difference between a cooking compartment actual temperature
  • a cycle duration which corresponds to a maximum cycle duration is traversed until time t 4 "
  • time t 4" a cycle duration is exceeded
  • passing through recirculation conditions z 5 to z 8 takes a longer time than passing through recirculation conditions Z 9 to z 16 .
  • FIG. 4 Over time, a rotational speed v d of a circulating device comprising a single fan wheel is shown.
  • a graph 18 describes the rotational speed v d .
  • FIG. 5 can be seen, during a cooking process step, which includes in particular a preheating, no reversing of the fan made during a loading phase rotation of the fan completely off and during a load detection also no reversing the rotational movement of the fan is made. However, this changes during a searing phase, which however is so short that as a cycle time or as a time span the minimum value is selected.
  • a cooking process step is carried out so long that the maximum cycle time is set and, in particular, the number of cycles is increased beyond the number eight.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Ovens (AREA)
EP11178935.0A 2010-09-02 2011-08-25 Procédé destiné à l'exécution d'un processus de cuisson Active EP2426419B1 (fr)

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DE102010037284A DE102010037284A1 (de) 2010-09-02 2010-09-02 Verfahren zur Durchführung eines Garprozesses

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EP2426419A1 true EP2426419A1 (fr) 2012-03-07
EP2426419B1 EP2426419B1 (fr) 2017-06-21

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DE102012210854A1 (de) * 2012-06-26 2014-01-02 BSH Bosch und Siemens Hausgeräte GmbH Gargerät mit einem in seiner Drehrichtung umkehrbaren Heißluftmotor
EP2896893A1 (fr) * 2014-01-17 2015-07-22 Electrolux Appliances Aktiebolag Procédé de fonctionnement d'un ventilateur de convection d'air d'un four de cuisson et four de cuisson
WO2022122477A1 (fr) 2020-12-07 2022-06-16 Miele & Cie. Kg Procédé de fonctionnement d'un appareil de cuisson, et appareil de cuisson

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DE102012210854A1 (de) * 2012-06-26 2014-01-02 BSH Bosch und Siemens Hausgeräte GmbH Gargerät mit einem in seiner Drehrichtung umkehrbaren Heißluftmotor
EP2896893A1 (fr) * 2014-01-17 2015-07-22 Electrolux Appliances Aktiebolag Procédé de fonctionnement d'un ventilateur de convection d'air d'un four de cuisson et four de cuisson
WO2022122477A1 (fr) 2020-12-07 2022-06-16 Miele & Cie. Kg Procédé de fonctionnement d'un appareil de cuisson, et appareil de cuisson
BE1028854A1 (de) 2020-12-07 2022-06-29 Miele & Cie Verfahren zum Betreiben eines Gargeräts und Gargerät

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