EP3715723B1 - Appareil de cuisson doté d'une chambre de cuisson, d'un système de distribution et d'un disque de distribution pour un liquide de nettoyage et son procédé de nettoyage - Google Patents

Appareil de cuisson doté d'une chambre de cuisson, d'un système de distribution et d'un disque de distribution pour un liquide de nettoyage et son procédé de nettoyage Download PDF

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Publication number
EP3715723B1
EP3715723B1 EP20165169.2A EP20165169A EP3715723B1 EP 3715723 B1 EP3715723 B1 EP 3715723B1 EP 20165169 A EP20165169 A EP 20165169A EP 3715723 B1 EP3715723 B1 EP 3715723B1
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EP
European Patent Office
Prior art keywords
cooking chamber
cleaning
distribution
cleaning liquid
discharge
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.)
Active
Application number
EP20165169.2A
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German (de)
English (en)
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EP3715723A1 (fr
Inventor
Simon Gross
Thomas Metz
Volker Ennen
Timo Schridde
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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 Miele und Cie KG filed Critical Miele und Cie KG
Priority to EP21170711.2A priority Critical patent/EP3892923B1/fr
Priority to EP21170704.7A priority patent/EP3892922B1/fr
Publication of EP3715723A1 publication Critical patent/EP3715723A1/fr
Application granted granted Critical
Publication of EP3715723B1 publication Critical patent/EP3715723B1/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
    • F24C14/00—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning
    • F24C14/005—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning using a cleaning liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1007—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1035—Driving means; Parts thereof, e.g. turbine, shaft, bearings
    • B05B3/1042—Means for connecting, e.g. reversibly, the rotating spray member to its driving shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1085—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces with means for detecting or controlling the rotational speed
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material

Definitions

  • the invention relates to a cooking appliance with a cooking chamber and a distribution disc and a method for cleaning the cooking chamber with a cleaning liquid.
  • Such distribution discs, distribution systems, cooking appliances with cooking chambers and methods for cleaning them with a cleaning liquid are, for example, from the publications US2016174574A1 and DE 202007010924 U1 and EP 3190344 A1 already known.
  • a cleaning liquid as in the publication WO 2015091803 A1 discloses, for example, using water from a fixed water connection or from a reservoir of the cooking appliance.
  • a rotatable distributor disk with a base plate arranged perpendicularly to the axis of rotation and with at least three vanes, a chamber for receiving cleaning liquid being formed between adjacent vanes. Furthermore, this document shows a method for cleaning a cooking chamber.
  • the invention therefore addresses the problem of improving the cleaning of a cooking chamber of a cooking appliance with a cleaning liquid.
  • the advantage that can be achieved with the invention is, in particular, that the cleaning of a cooking chamber of a cooking appliance with a cleaning liquid is improved.
  • the cleaning of soiled areas in the cooking chamber is significantly improved by means of the invention by means of a more targeted and therefore more effective and time- and cost-effective application of cleaning liquid.
  • the cleaning liquid can be, for example, water from a fixed water connection or from a reservoir of the cooking appliance.
  • other cleaning liquids are also conceivable.
  • water from a fixed water connection or from a reservoir of the cooking appliance with a cleaning agent concentrate or the like could be added to the cleaning liquid for cleaning the cooking chamber.
  • the distribution disk can be connected to the cooking appliance in a fixed, detachable manner or only for the purpose of cleaning the cooking chamber.
  • the distributor disc can be driven by its own drive and by the power of the cleaning liquid. Accordingly, the distributor disk can be used advantageously for a large number of different applications.
  • the distributor disk is only partially arranged in the distributor housing.
  • the cooking device enables the cleaning liquid to be circulated, so that less cleaning liquid is consumed and the cleaning is thus made more efficient.
  • the method according to the invention also enables the execution of different cleaning programs for needs-based cleaning of the cooking chamber.
  • the trajectory curve of the cleaning liquid can be set as desired, so that areas of the cooking chamber that are at different distances from the distribution system can advantageously be reached using the cleaning liquid released by the distribution system.
  • the aforesaid variation of the rotational speed also makes it possible for cleaning liquid to be applied to the individual areas of the cooking chamber in an alternating and therefore pulsating manner.
  • each of the wings encloses an acute angle with the longitudinal axis of the pivot bolt, preferably that each of the wings has a first wing section starting from the base plate and a first wing section adjoining the first wing section in the direction of a free end of the wing having second wing section. It is provided that the two wing sections enclose different angles with the base plate. In this way, a targeted guidance of the cleaning liquid is made possible. For example, it is possible to direct the cleaning liquid in a first direction of rotation of the distributor disk to the base plate in a targeted manner in order to apply cleaning liquid to the side walls of the cooking chamber and to a wall of the cooking chamber designed as a cooking chamber floor.
  • the cleaning liquid can be directed by means of the sloping vanes in a targeted manner to a cooking space wall of the cooking space designed as a cooking space ceiling.
  • the first wing section encloses an angle ⁇ with the base plate and the second wing section encloses an angle ⁇ with the base plate, ⁇ being greater than ⁇ .
  • the angle ⁇ is approximately 10° larger than the angle ⁇ .
  • the first wing section encloses an angle ⁇ with the base plate, where ⁇ has a value of 75°.
  • the second wing section encloses an angle ⁇ with the base plate, ⁇ having a value of 85°.
  • each of the vanes extends essentially to a free end of the base plate and to a free end of the pivot pin, with the respective vane having an L-shape, preferably that the base plate has a diameter D of 50 mm and/or the pivot bolt has an outer diameter d of 8 mm and/or each of the L-shaped wings has a height h of 6 mm at its free end associated with the base plate and a height H of 22 at its free end associated with the pivot bolt mm, particularly preferably that the diameter D of the base plate is designed to be matched to a rotational speed of the pivot pin in such a way that the entire cooking chamber can be acted upon with cleaning liquid by means of the distributor disk.
  • the L-shape of the respective wing enables the cleaning liquid to be forwarded in a targeted manner from a distributor housing into the cooking chamber.
  • the base plate and/or the pivot pin and/or each of the L-shaped wings is designed to be particularly suitable for the usual cooking space dimensions of cooking spaces.
  • the distribution disk with the base plate on one side is dimensioned sufficiently large to distribute the cleaning liquid in the cooking chamber in the previously defined manner.
  • the distributor disk with the base plate is dimensioned as small as possible, so that an undesired discharge of heat from the cooking chamber can be reduced to just a small amount by means of the distributor disk.
  • a distributor disk that is as small as possible also has the advantage that a rotary movement of the distributor disk requires less torque, so that, for example, an electric drive for any shaft connected to the pivot pin in a torque-transmitting manner must be designed to be less powerful.
  • the energy consumption during operation of the distribution system is also reduced accordingly.
  • the noise emission during operation of the distribution system is also effectively reduced as a result.
  • the use of correspondingly lighter materials for the distributor disk is also beneficial in this context. In the particularly preferred embodiment of this development, a thorough cleaning of essentially the entire cooking chamber is implemented in a simple manner in terms of design and control.
  • the pump is designed as a reversible pump.
  • the cleaning liquid can be conveyed counter to a circulation direction of the circulation system and thus for backwashing of the outlet of the cooking chamber.
  • the intensity of the backwashing of the drain can be controlled by means of the pump.
  • the pump for backwashing the drain can be operated at maximum power in order to pump any solids that are clogging the drain as far away from the drain as possible.
  • an advantageous further development of the aforementioned embodiment of the method provides that the pump supplies the cleaning liquid during the backwashing state against the direction of circulation of the circulation system promotes through the process.
  • the drain can be backwashed using the cleaning liquid, for example without additional lines or the like.
  • An alternative or additional development of the cooking appliance provides that the pump is designed and arranged in such a way that when the pump is switched off, the cleaning liquid can flow back due to gravity. This enables backwashing of the outlet of the cooking chamber counter to the direction of circulation of the circulation system even without the operation of the pump, by using the amount of cleaning liquid present in the inlet line, in the pump and in the outlet line to backwash the outlet.
  • an advantageous development of the method provides that the pump is switched off during the backwashing state in such a way that the cleaning liquid is conveyed through the outlet by gravity against the direction of circulation of the circulation system.
  • a particularly advantageous development of the cooking appliance provides that the distributor housing is arranged outside of the cooking chamber and the distributor disk dips into the distributor housing with one side of the distributor disk facing the distributor housing through an opening in a cooking chamber wall of the cooking chamber and with one side facing the cooking chamber side of the distributor disc with the base plate protrudes through the opening into the cooking chamber. In this way it is possible to supply the distributor disk with water particularly well.
  • This design also makes it possible for the space required for the distribution system according to the invention in the cooking chamber to be minimized and/or for more even wetting of the cooking chamber walls of the cooking chamber that delimit the cooking chamber, i.e. the cooking chamber floor, the cooking chamber ceiling and the lateral cooking chamber walls, to be made possible.
  • the distributor disk is designed and arranged in the cooking chamber such that the base plate of the distributor disk essentially covers the opening in the cooking chamber wall when viewed from the cooking chamber perpendicular to the base plate.
  • the shaft connected to the pivot bolt of the distributor disk preferably connected in a torque-transmitting manner, and an electric drive of the cooking appliance driving this shaft are effectively protected against thermal radiation from the cooking chamber. Accordingly, the energy efficiency of the cooking appliance is also increased. Furthermore, this results in a visually pleasing overall impression of the cooking chamber.
  • the distribution system can thus have an electric drive connected in a torque-transmitting manner to the pivot pin of the distribution system.
  • the pivot pin and thus the distributor disk can be driven independently of the supply of cleaning fluid.
  • the throw curve of the cleaning liquid can be adjusted independently of the amount of cleaning liquid with which the distributor disc is supplied, for example by means of the rotational speed of the distributor disc, ie its rotational speed.
  • the inlet opening and the distributor disk of the distributor system are designed and arranged in relation to one another such that the distributor disk can be driven by means of the cleaning liquid.
  • the distributor disk can be driven independently of an electric drive of the distributor disk.
  • an electric drive of the distributor disk can basically be dispensed with.
  • the rotational speed of the distributor disk can be changed by varying the flow rate of cleaning liquid through the inlet opening of the distributor system.
  • the inlet opening in particular together with the inlet line in the area of the inlet opening, is aligned in such a way that a fluid flow emerging from the inlet opening is oriented radially to the axis of rotation of the distribution disk.
  • the line axis oriented parallel to the direction of flow and/or the surface normal of the cross section of the inlet opening is oriented radially to the axis of rotation of the distribution disk.
  • a particularly advantageous development of the cooking appliance provides that the distribution system is arranged approximately in the middle of a cooking chamber wall of the cooking chamber designed as a cooking chamber ceiling, preferably that the distribution system is arranged essentially vertically above the drain.
  • a particularly favorable arrangement of the distribution system relative to the cooking chamber of the cooking appliance is selected, since this ensures that the individual areas of the cooking chamber are effectively impinged with cleaning liquid.
  • the preferred embodiment of this further development also has the advantage that the drain can be cleaned by means of the distributor system without any additional design or circuitry expense. For example, cleaning the Drain realized in a structurally particularly simple manner in that the cleaning fluid can be directed from the distribution system due to gravity directly to the drain. In particular, with this arrangement of distributor disk and outlet, vertically one above the other, the cleaning fluid can drip or flow from the distributor disk directly onto the outlet when the distributor disk is stationary.
  • the distributor disk and the outlet have a distance of at least 15 centimeters, preferably greater than 20 centimeters. This distance has proven to be sufficient so that the cleaning liquid falling dripping or flowing from the distributor disc has sufficient kinetic energy when it hits the outlet or a screen of the outlet to break up the suspended matter that has accumulated there and thus prevent the screen from becoming clogged and/or of the process to automatically correct and/or prevent.
  • the inlet line is additionally connected to the outlet in a flow-conducting manner by means of a bypass line of the circulation system, with the bypass line being able to be blocked by means of at least one valve in non-bypass operation.
  • a gravity-induced backflow of the cleaning liquid and thus a backwashing of the outlet of the cooking chamber against the circulation direction of the circulation system is made possible, even with pumps that are not designed as a reversible pump or pumps that allow gravity-induced backflow of the cleaning liquid.
  • an advantageous development of the method provides that the inlet line is connected directly to the outlet during the backwashing state by means of the bypass line so that the cleaning liquid is conveyed through the outlet by gravity against the direction of circulation of the circulation system by means of gravity.
  • a further advantageous development of the cooking appliance provides that the cooking appliance has a steam generator, with the steam generator being able to be connected in a flow-conducting manner to the drain by means of a steam line in a steam cleaning mode and the steam line being able to be blocked by means of at least one valve in a non-steam cleaning mode.
  • the steam line comprises the inlet line and the outlet line or the outlet line, with the inlet line or the outlet line being able to be blocked in the steam cleaning mode by means of at least one valve in such a way that no steam escapes from the inlet opening of the distribution system.
  • the inlet line and the outlet line or the outlet line can be used for conducting the steam from the steam generator to the outlet, so that the need for an additional steam line is minimized.
  • the drain can be cleaned by means of the steam, but also the inlet pipe and the drain pipe or the drain pipe can be cleaned and sterilized.
  • an advantageous further development of the method provides that the steam generator is flow-connected to the drain during the steam cleaning operation indirectly by means of the steam line, by means of the inlet line and the outlet line or the outlet line, or directly in a flow-conducting manner, so that a by means of the steam generator generated steam is conveyed through the drain.
  • the cleaning program is designed such that at the beginning of the at least one cleaning cycle, the distributor disk is operated at a maximum rotational speed of the cleaning cycle and the rotational speed is reduced after a predetermined period of time. Due to the maximum rotational speed at the start of each of the at least one cleaning cycle, any inertia, contamination or sticking of the distribution system is overcome, for example, or the rotational axis is prevented from becoming stuck. The subsequent reduction in the rotational speed reduces the consumption of electrical energy, for example.
  • a maximum rotational speed of the distributor disk which correlates to the maximum rotational speed of the distributor disk, can be 5000 revolutions/minute, for example. The speed can subsequently be lowered continuously or discontinuously to a value of 0 revolutions/minute.
  • a further advantageous development of the method provides that in at least one of the at least one cleaning cycle, at least one sudden increase, preferably a plurality of sudden increases, in the rotational speed of the distributor disk takes place after the maximum rotational speed of the distributor disk, with one sudden increase in each case a reduction in the rotational speed follows directly in time.
  • This makes it possible to apply a surge of cleaning liquid to the cooking chamber walls, ie the cooking chamber floor, the cooking chamber ceiling and the lateral cooking chamber walls, in a manner that is simple in terms of design and circuitry. Accordingly, the mechanical cleaning of the cooking chamber walls by means of the cleaning liquid is significantly improved.
  • the aforementioned reduction can take place in stages, namely a reduction from the maximum speed of 5000 rpm to a first intermediate speed of 1000 rpm a period of 30 seconds, followed by a sudden increase in the speed from the first intermediate speed of 1000 rpm to a second intermediate speed of 1500 rpm within less than a second or a few seconds, followed by a reduction in the speed from the second intermediate speed with 1500 rpm to an upper speed of 700 rpm in a period of about 60 seconds and finally a sudden drop in speed from the upper speed of 700 rpm to a lower speed of preferably 0 rpm within below a second or a few seconds.
  • the at least one cleaning cycle stored in the cleaning program can be freely selected within wide, suitable limits.
  • An advantageous development of the method provides that the at least one cleaning cycle has a sawtooth-like profile in a speed-time diagram. In this way, the loading of the cooking chamber walls with the cleaning liquid is designed to be pulsating during the entire cleaning cycle.
  • the maximum speed of the distributor disc at the beginning of a cleaning cycle can be 5000 revolutions/minute and then steadily reduced to the upper speed with a value of 700 revolutions/minute within 45 seconds, and then again within 45 seconds steadily increased from the upper speed of 700 rpm to the maximum speed of 5000 rpm, then steadily reduced again within 45 seconds to the upper speed of 700 rpm, followed by another 45 seconds later increased steadily from the upper speed of 700 rpm to the maximum speed of 5000 rpm, then steadily decreased again within 45 seconds to the upper speed of 700 rpm and finally within less than one second or a few seconds jumped from the upper speed with 7 00 revolutions/minute are lowered to a lower speed with preferably 0 revolutions/minute.
  • One aspect of the invention is that between the upper speed and the lower speed there is also an average speed, which is in a speed range between 100 and 400 revolutions/minute. Provision is preferably made for this average speed to be maintained for a period of at least 20 seconds, preferably up to 200 seconds, at the end of the cleaning process. This achieves improved rinsing of the cooking chamber floor.
  • the phase of maintaining the average speed can also take place at regular or irregular intervals during the cleaning process inserted between the usual cycles.
  • the holding time can also be shorter and, for example, have a duration of between 5 seconds and 30 seconds.
  • the pump is also switched on and off in a predetermined manner in order to further improve the mechanical cleaning of the cooking chamber walls by means of the cleaning liquid improve.
  • One aspect of the invention is that the low speed is held for a period of at least 1 second, preferably at least 2.5 seconds and up to 10 seconds before the distributor disc is again accelerated to a medium speed or high speed or maximum speed .
  • a particularly advantageous development of the method provides that the distribution system is operated in such a way that during the cleaning process, the lateral cooking chamber walls and the cooking chamber floor and/or the lateral cooking chamber walls and the cooking chamber ceiling are directly exposed to cleaning liquid from the distribution system, preferably such that a rotational speed of the pivot pin is matched to the diameter D of the base plate in such a way that the lateral cooking chamber walls and the cooking chamber floor and/or the lateral cooking chamber walls and the cooking chamber ceiling are essentially completely exposed to cleaning liquid by means of the distribution disk.
  • This enables thorough cleaning of essentially all areas of the cooking chamber that are susceptible to soiling.
  • a thorough cleaning of essentially the entire cooking space is implemented in a manner that is simple in terms of design and control.
  • a further advantageous development of the method provides that the at least one cleaning cycle is designed as a plurality of cleaning cycles and that a predetermined period of time is provided between two cleaning cycles that follow one another in terms of time, in which the rotational speed of the distributor disk is reduced to a lower speed of less than 10 revolutions/minute, preferably reduced to zero, preferably that the aforementioned period of time is provided after each individual cleaning cycle or after a predetermined number of consecutive cleaning cycles.
  • the at least one cleaning cycle is designed as a plurality of cleaning cycles and that a predetermined period of time is provided between two cleaning cycles that follow one another in terms of time, in which the rotational speed of the distributor disk is reduced to a lower speed of less than 10 revolutions/minute, preferably reduced to zero, preferably that the aforementioned period of time is provided after each individual cleaning cycle or after a predetermined number of consecutive cleaning cycles.
  • the distributor disk is arranged essentially vertically above the outlet arranged in the cooking chamber floor of the cooking chamber, since the outlet, which is prone to blockages, can be cleaned in a particularly simple manner in this way.
  • the aforementioned time period can be, for example, a time period of 5 seconds Act.
  • the drain can be cleaned in a structurally particularly simple manner in that the cleaning fluid can be routed from the distribution system directly to the drain due to gravity.
  • the circulation system is operated in a backwash state such that the cleaning liquid is conveyed through the drain counter to a direction of circulation of the circulation system , preferably that the pump conveys the cleaning liquid through the outlet counter to the circulating direction of the circulating system during the backwashing state or that the pump is switched off during the backwashing state in such a way that the cleaning liquid is conveyed through the outlet by means of gravity against the circulating direction of the circulating system.
  • the automatic detection of a blockage in the drain is possible, for example, through the power consumption of the pump or by monitoring the speed of the pump. However, other measures known to those skilled in the art for the automatic detection of blockages are also possible. Cameras for monitoring the cooking chamber or flow meters in the drain line are just examples.
  • the screen is preferably arranged in front of a pump and/or in front of a valve.
  • another advantageous development of the method provides that after automatic detection of a blockage of the screen and/or at predetermined time intervals during the cleaning process, the circulating system is operated in a backwashing state in such a way that that the cleaning liquid is conveyed through the screen counter to a direction of circulation of the circulation system.
  • the screen is arranged in the area of the drain and/or the drain line.
  • a further advantageous development of the method provides that the respective period of time between the previously defined time intervals is automatically defined as a function of the cleaning process. As a result, a needs-based backwashing of the drain is made possible in accordance with the respective cleaning process.
  • rotary speed and angular speed are synonymous and, related to a complete revolution, to be equated with the specification of speed.
  • the cooking appliance 2 is designed as a steam cooker and comprises a cooking chamber 4 with a cooking chamber floor 6, a cooking chamber ceiling 8 and lateral cooking chamber walls 10 as cooking chamber walls, a distribution system 12 for a cleaning liquid (not shown) in the form of water for cleaning the cooking chamber 4 and a circulation system 14 for Circulation of the cleaning liquid with a pump 16, a discharge line 18 and an inlet line 20, the pump 16 being flow-conducting by means of the outlet line 18 to an outlet 22 of the cooking chamber 4 arranged in the cooking chamber floor 6 of the cooking chamber 4 and by means of the inlet line 20 to an inlet opening 24 of the distributor system 12 is connected, the distributor system 12 having a distributor disk 26 with a pivot bolt 28 for torque-transmitting connection to a shaft of the cooking appliance 2, not shown.
  • the cleaning liquid is stored in a reservoir 30 which, in a manner not shown, is connected in a flow-conducting manner to the pump 16 of the circulating system 14 in order to fill the circulating system 14 with cleaning liquid.
  • the distribution system 12 is in the Figures 2 to 8 shown in more detail.
  • the distributor system 12 comprises a distributor housing 32 and the distributor disk 26, which is arranged in the distributor housing 32 so that it can rotate relative to the distributor housing 32, the distributor housing 32 having the inlet opening 24 for supplying the distributor disk 26 with cleaning fluid and surrounding the distributor disk 26 in such a way that between the distributor housing 32 and the distributor disc 26 has an annular space 34 with a peripheral outlet opening 36 for the cleaning liquid. How from the 2 , 3 , 7 and 8 shows, the distributor disk 26 is only partially arranged in the distributor housing 32 .
  • a line axis oriented parallel to the direction of flow of the cleaning liquid in the inlet line 20 and/or the surface normal of the cross section of the inlet opening 24 is oriented radially to the axis of rotation 38 of the distribution disk. This is the Flow of the cleaning liquid emerging from the inlet opening 24 is oriented radially to the axis of rotation 38 of the distributor disk and hits the pivot pin 28 precisely. This configuration enables a particularly homogeneous distribution of the cleaning liquid in the annular space.
  • the axis of rotation 38 of the distribution disc can also be referred to as the longitudinal axis 38 of the pivot pin 28 .
  • the distributor disk 26 dips with a side facing the distributor housing 32 through the cooking chamber wall 8 designed as the cooking chamber ceiling into the annular space 34 of the distributor system 12 .
  • This makes it possible to supply the distributor disk 26 with water particularly well.
  • This design also makes it possible to minimize the space required in the cooking chamber 4 and/or to enable more uniform wetting of the cooking chamber walls delimiting the cooking chamber 4, namely the cooking chamber floor 6, the cooking chamber ceiling 8 and the lateral cooking chamber walls 10.
  • the distributor disk 26 of the distributor system 12 comprises the pivot pin 28 for the torque-transmitting connection to the shaft (not shown) of the cooking appliance 2, a base plate 40 arranged on the pivot pin 28 essentially perpendicularly to a longitudinal axis 38 of the pivot pin 28, and four base plates between the pivot pin 28 and the base plate 40 symmetrically arranged wings 42, wherein between directly adjacent wings 42 in each case a limited by the pivot pin 28, the base plate 40 and these two wings 42 chamber 44 is formed.
  • the wings 42 are identical to one another, with each of the wings 42 including the longitudinal axis 38 of the pivot pin 28 at an acute angle. See in particular the Figures 3 and 4 .
  • each of the wings 42 has, starting from the base plate 40, a first wing section 42a and a second wing section 42b adjoining the first wing section 42a in the direction of a free end of the wing 42, the first wing section 42a being connected to the base plate 40 at a Angle ⁇ of 75 ° and the second wing section 42b with the base plate 40 includes an angle ⁇ of 85 °. See the Figures 3 to 8 , especially the 6 .
  • each of the wings 42 extends substantially to a free end of the base plate 40 and to a free end of the pivot pin 28, the respective wing 42 having an L-shape. See in particular the 2 and 4 to 6 .
  • the pivot pin 28 has an outer diameter d of 8 mm and each of the L-shaped wings 42 has a height h of 6 mm at its free end associated with the base plate 40 and a height H of 22 mm at its free end associated with the pivot pin 28 .
  • the base plate 40 of the distributor disk 26 has a circular diameter D of 50 mm.
  • the distribution disc 26 is made of steel. As an alternative to this, it is conceivable that the distributor disk is made of plastic or ceramic or glass.
  • the distributor disk can have a coating, for example made of aluminum, on the side facing the cooking chamber floor. It is also possible for the distributor disk to be made from a combination of the materials mentioned above.
  • the distributor disc can be made of metal and coated with plastic and/or ceramic or glass.
  • the diameter D of the base plate 40 is adapted to a rotational speed of the pivot pin 28 in such a way that the entire cooking chamber 4 can be acted upon with cleaning liquid by means of the distribution disk 26 . Furthermore, the diameter D of the base plate 40 is selected to be large enough that the base plate 40 of the distributor disk 26 covers the outlet opening 36 in the cooking chamber ceiling 8 when viewed from the cooking chamber 4 perpendicularly onto the base plate 40 .
  • the distributor housing 32 is arranged outside the cooking chamber 4, with the distributor disk 26 dipping on the one hand with a side of the distributor disk 26 facing the distributor housing 32 through the outlet opening 36 in the cooking chamber ceiling 8 of the cooking chamber 4 into the distributor housing 32 and on the other hand with it a side of the distributor disk 26 facing the cooking chamber 4 protrudes with the base plate 40 through the outlet opening 36 into the cooking chamber 4 .
  • This makes it possible to supply the distributor disk 26 with water particularly well.
  • This design also makes it possible for the space required for the distribution system 12 in the cooking chamber 4 to be minimized and for more even wetting of the cooking chamber walls delimiting the cooking chamber 4, namely the cooking chamber floor 6, the cooking chamber ceiling 8 and the lateral cooking chamber walls 10, to be made possible.
  • the distribution system 12 has an electric drive 45 which is connected in a torque-transmitting manner to the pivot bolt 28 of the distribution system 12 by means of the shaft (not shown). See in particular the Figures 7 and 8 .
  • the distribution system 12 is arranged approximately in the middle of the cooking chamber ceiling 8 of the cooking chamber 4 and essentially vertically above the outlet 22, the distribution system 12 being positioned between the cooking chamber ceiling 8 and a cooking chamber heating element (not shown) fastened to the cooking chamber ceiling 8 . See the figure 1 and 12 to 14 .
  • the inlet opening 24 and the distributor disk 26 of the distributor system 12 are designed and arranged in relation to one another in such a way that the distributor disk 26 can be driven by means of the cleaning liquid.
  • the pump 16 of the circulation system 14 is formed in the present embodiment as a reversible pump, wherein the pump 16 is constructed and arranged such that in a switched-off state of the pump 16 a gravity-related backflow of Cleaning liquid from the inlet line 20, the pump 16 and the outlet line 20 in the direction of the outlet 22 is made possible. So opposite to the direction of circulation of the circulation system 14 symbolized by the arrows 46.
  • a cleaning process is initiated in the cooking appliance 2 in a manner known to those skilled in the art, for example manually via a control unit (not shown) or automatically as an automatic program.
  • the distributor disk 26 is supplied with cleaning liquid by means of the inlet line 20 and the inlet opening 24, with the rotational speed of the distributor disk 26 of the distributor system 12 being varied as a function of a cleaning program that is previously defined and stored in a controller (not shown) of the cooking appliance 2.
  • the cleaning program is designed in such a way that at the beginning of each of three cleaning cycles, the distributor disc 26 is operated at a maximum rotational speed of the cleaning cycle and the rotational speed is reduced after a predetermined period of time. See the 9 , in which the cleaning process mentioned above with a total of three cleaning cycles is shown as an example in a speed-time diagram.
  • each cleaning cycle starts with a maximum rotation speed, which is the same for all three cleaning cycles. It is started with the maximum speed in order to overcome any increased inertia. This increased inertia can be caused by sticking or dirt on the rotary axis.
  • the maximum speed the highest torque is set at the beginning of the cleaning cycle, which counteracts a jammed axis of rotation or loosens an already jammed axis of rotation.
  • the rotational speed for each cleaning cycle first decreases steadily, then rises briefly and then decreases steadily again. Shortly before the end of the respective cleaning cycle, the speed of rotation of the distributor disk 26 is reduced to 0 m/s, ie to 0 revolutions/minute.
  • Each of the three cleaning cycles lasts 50 s in the present exemplary embodiment.
  • the maximum speed per cleaning cycle is 5000 revolutions per minute here.
  • the individual cleaning cycle can also last shorter or longer.
  • the aforementioned reduction can take place in stages as follows: a reduction from the maximum speed of 5000 rpm to a first intermediate speed of 1000 rpm in a period of 30 seconds, followed by one Sudden increase in speed from the first intermediate speed of 1000 rpm to a second intermediate speed of 1500 rpm within less than a second or a few seconds, followed by a drop in speed from the second intermediate speed of 1500 rpm to an upper speed with 700 rpm in a period of about 60 seconds and finally a sudden drop in the upper speed from 700 rpm to a lower speed of 0 rpm within less than a second or a few seconds. See also the 9 .
  • the direction of rotation of the distributor disk 26 about the longitudinal axis 38 is defined in such a way that during the cleaning process, the lateral cooking chamber walls 10 and the
  • the at least one cleaning cycle stored in the cleaning program can be freely selected within wide, suitable limits.
  • the individual cleaning cycle of the cleaning program and thus the method according to the 10 speed-time diagram shown may be modified. Similar to the variant according to the 9 each of the three cleaning cycles is also identical here.
  • the rotational speed, i.e. the rotational speed, of the distributor disk 26 at the beginning of each cleaning cycle is 5000 revolutions/minute as above.
  • the speed of the distributor disk 26 is gradually reduced overall, with the speed of the distributor disk 26 suddenly increasing four times in the first 30 seconds after the start of the respective cleaning cycle and being reduced again immediately after the respective increase, with the speed of the distributor disk 26 takes place at each of the aforementioned increases to a speed below the maximum speed of 5000 rpm.
  • the speed which is suddenly increased several times in this way, decreases continuously from the first increase in speed to the fourth increase in speed. See the 10 .
  • the speed of the distributor disk 26 is reduced to 700 rpm over a period of 60 seconds.
  • the speed of the distributor disk 26 is suddenly reduced to 0 revolutions/minute within less than a second or a few seconds.
  • the at least one cleaning cycle in the 11 speed-time diagram shown has a sawtooth-like profile.
  • the loading of the cooking chamber walls, namely the cooking chamber floor 6, the cooking chamber ceiling 8 and the lateral cooking chamber walls 10, is designed to be pulsating with the cleaning liquid during the entire cleaning cycle.
  • the maximum speed of the distributor disc 26 at the beginning of a cleaning cycle be 5000 revolutions/minute and then within 45 seconds steadily lowered to an upper speed with a value of 700 revolutions/minute, chronologically thereafter within 45 seconds again steadily from 700 revolutions/minute up the maximum speed is increased to 5000 revolutions/minute, then steadily reduced again within 45 seconds to the upper speed with a value of 700 revolutions/minute, then again steadily from the upper speed with a value of 700 revolutions/minute within 45 seconds
  • the maximum speed is increased to 5000 rpm, then steadily reduced to the upper speed of 700 rpm over a period of 45 seconds, and finally within less than a second or a few seconds suddenly from the upper speed of 700 rpm to the lower speed with less than 10 revolutions / minute, in the be lowered with 0 revolutions/minute in this example.
  • this variant of the method also provides for the pump 16 to be switched on and off in a predetermined manner in order to ensure mechanical cleaning of the cooking chamber walls, i.e. the cooking chamber floor 6, the cooking chamber ceiling 8 and the lateral cooking chamber walls 10, to be further improved by means of the cleaning liquid.
  • the cleaning program can also have fewer or more than three cleaning cycles. This applies in general and is not limited to the specific embodiment of the method.
  • the cleaning program can also provide for the direction of rotation of the distributor disk 26 about the longitudinal axis 38 to be temporarily reversed, so that during the cleaning process the lateral cooking chamber walls 10 and the cooking chamber ceiling 8 are directly exposed to cleaning liquid from the distribution system 12.
  • the cleaning liquid is guided in the direction of the cooking chamber ceiling 8 by means of the inclined vanes 42.
  • the speed of the shaft transmitting torque with the pivot pin 28 and thus of the pivot pin 28 is matched to the diameter D of the base plate 40 in such a way that the lateral cooking chamber walls 10 and the cooking chamber floor 6 as well as the lateral cooking chamber walls 10 and the cooking chamber ceiling 8 are essentially be fully charged with cleaning liquid.
  • the circulation system 14 is automatically operated in a backwash state, with the cleaning liquid being conveyed through the outflow 22 counter to the direction of circulation 46 of the circulation system 14 .
  • a blockage can be automatically detected, for example, by means of the power consumption of the pump 16 or by monitoring the speed of the pump 16 .
  • Cameras for monitoring the cooking chamber or flow meters in the drain line are just examples. It is also conceivable, however, for the circulation system 14 to be operated in the backwash state at predetermined time intervals in order to avoid clogging of the outflow 22 as far as possible. The respective period of time between the previously defined time intervals is automatically defined, for example depending on the cleaning process.
  • the pump 16 conveys the cleaning liquid through the outlet 22 counter to the circulation direction 46 of the circulation system 14 during the backwashing state 12 .
  • the promotion of the cleaning liquid against the direction of circulation 46 is in the 12 symbolized by arrows 48.
  • the pump 16 is switched off during the backwashing state in such a way that the cleaning liquid is conveyed through the outlet 22 counter to the circulation direction 46 of the circulation system 14 by means of gravity. See the 12 and 13 .
  • In 13 is by means of a dot-dash frame 50 of the area of the inlet line 20, the Pump 16 and the drain line 18 highlighted, which is filled with cleaning fluid in a clogged drain 22. Since the pump 16 in the present exemplary embodiment enables the cleaning liquid to flow back due to gravity, this type of backwashing is also possible.
  • a second exemplary embodiment of the cooking appliance is shown.
  • the second exemplary embodiment is largely identical to the first exemplary embodiment, so that only the differences are explained below. Otherwise, reference is made to the above explanations for the first exemplary embodiment. Components that are the same or have the same effect are denoted by the same reference symbols.
  • the inlet line 20 is additionally connected in a flow-conducting manner to the outlet 22 by means of a bypass line 52 of the circulation system 14 , with the bypass line 52 being able to be blocked by means of at least one valve 54 in non-bypass operation.
  • the inlet line 20 is directly fluidly connected to the outlet 22 by means of the bypass line 52, so that the cleaning liquid in the in the 14 shown bypass operation by gravity counter to the direction of circulation of the circulation system 14, namely in the direction of arrows 48, through the outlet 22 is promoted.
  • the invention is not limited to the present embodiments.
  • the invention can also be used advantageously in other types of cooking appliances with cooking chambers. It is also conceivable for the cooking appliance to have a steam generator, with the steam generator being flow-conductively connectable to the outlet by means of a steam line in steam cleaning mode and the steam line being closable by means of at least one valve in non-steam cleaning mode.
  • the steam line can include the inlet line and the outlet line or the outlet line, wherein the inlet line or the outlet line can be blocked in the steam cleaning operation by means of at least one valve in such a way that no steam escapes from the inlet opening of the distribution system.
  • the inlet line and the outlet line or the outlet line can be used for conducting the steam from the steam generator to the outlet, so that the need for an additional steam line is minimized.
  • the drain can be cleaned by means of the steam, but also the inlet pipe and the drain pipe or the drain pipe can be cleaned and sterilized.
  • a further embodiment of the method provides that the steam generator during the steam cleaning operation by means of the steam line indirectly, by means of the inlet line and the outlet line or the outlet line, or is connected directly to the outlet in a flow-conducting manner, so that steam generated by means of the steam generator is conveyed through the outlet.
  • the inlet opening and the distributor disk of the distributor system are designed and arranged in relation to one another in such a way that the distributor disk can only be driven by means of the cleaning liquid.
  • a sieve in the fluid circuit ie in the circulation system
  • blockages only occur between the cooking chamber and the sieve.
  • the screen is preferably arranged in front of the pump and/or in front of a valve of the circulation system.
  • another advantageous development of the method provides that after automatic detection of a blockage of the screen and/or at predetermined time intervals during the cleaning process, the circulating system is operated in a backwashing state in such a way that that the cleaning liquid is conveyed through the screen counter to a direction of circulation of the circulation system.
  • the screen is arranged in the area of the drain and/or the drain line.
  • a further advantageous development of the method provides that the respective period of time between the previously defined time intervals is automatically defined as a function of the cleaning process. As a result, a needs-based backwashing of the drain is made possible in accordance with the respective cleaning process.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cookers (AREA)
  • Commercial Cooking Devices (AREA)
  • Food-Manufacturing Devices (AREA)

Claims (20)

  1. Appareil de cuisson (2), comprenant
    un arbre
    un espace de cuisson (4),
    un système de distribution (12) pour un liquide de nettoyage permettant de nettoyer l'espace de cuisson (4) et
    un système de circulation (14) permettant de faire circuler le liquide de nettoyage, comportant une pompe (16), une conduite d'évacuation (18) et une conduite d'arrivée (20),
    dans lequel la pompe (16) est raccordée à une évacuation (22) de l'espace de cuisson (4) disposée dans un fond d'espace de cuisson (6) de l'espace de cuisson (4) d'une manière conductrice d'écoulement au moyen de la conduite d'évacuation (18) et est raccordée à une ouverture d'arrivée (24) du système de distribution (12) d'une manière conductrice d'écoulement au moyen de la conduite d'arrivée (20),
    dans lequel le système de distribution (12) présente un disque de distribution (26), comportant un boulon de pivotement (28) permettant la liaison de transmission de couple avec l'arbre, comportant une plaque de base (40) disposée sur le boulon de pivotement (28) de manière sensiblement perpendiculaire à un axe longitudinal (38) du boulon de pivotement (28) et
    comportant au moins trois ailes (42) disposées entre le boulon de pivotement (28) et la plaque de base (40),
    dans lequel respectivement une chambre (44) est formée entre des ailes (42) directement adjacentes et délimitée par le boulon de pivotement (28), la plaque de base (40) et lesdites deux ailes (42),
    caractérisé en ce que
    le système de distribution (12) comprend un boîtier de distribution (32),
    et
    le disque de distribution (26) étant disposé, de préférence seulement partiellement, dans le boîtier de distribution (32), de manière rotative par rapport au boîtier de distribution (32),
    et
    le boîtier de distribution (32) présentant une ouverture d'arrivée (24) pour l'alimentation du disque de distribution (26) en liquide de nettoyage et entourant le disque de distribution (26) de telle manière qu'un espace annulaire (34) comportant une ouverture de sortie circonférentielle (36) pour le liquide de nettoyage est formé entre le boîtier de distribution (32) et le disque de distribution (26).
  2. Appareil de cuisson selon la revendication 1, dans lequel le disque de distribution (26) présente quatre ailes (42) disposées symétriquement les unes par rapport aux autres entre le boulon de pivotement (28) et la plaque de base (40).
  3. Appareil de cuisson selon l'une des revendications précédentes, dans lequel chacune des ailes (42) forme un angle aigu avec l'axe longitudinal (38) du boulon de pivotement (28), de préférence, chacune des ailes (42) présentant, en partant de la plaque de base (40), une première section d'aile (42a) et une seconde section d'aile (42b) se raccordant à la première section d'aile (42a) en direction d'une extrémité libre de l'aile (42), la première section d'aile (42a) formant un angle α de 75° avec la plaque de base (40) et la seconde section d'aile (42b) formant un angle β de 85° avec la plaque de base (40).
  4. Appareil de cuisson selon l'une des revendications précédentes, dans lequel chacune des ailes (42) s'étend sensiblement jusqu'à une extrémité libre de la plaque de base (40) et jusqu'à une extrémité libre du boulon de pivotement (28), l'aile (42) respective présentant une forme en L, de préférence, la plaque de base (40) présentant un diamètre D de 50 mm et/ou le boulon de pivotement (28) présentant un diamètre extérieur d de 8 mm et/ou chacune des ailes (42) en forme de L présentant, sur son extrémité libre associée à la plaque de base (40), une hauteur h de 6 mm et, sur son extrémité libre associée au boulon de pivotement (28), une hauteur H de 22 mm, de manière particulièrement préférée, le diamètre D de la plaque de base (40) étant conçu comme adapté à une vitesse du boulon de pivotement (28) de telle manière que sensiblement tout l'espace de cuisson (4) peut être exposé au liquide de nettoyage au moyen du disque de distribution (26).
  5. Appareil de cuisson (2) selon l'une des revendications précédentes, dans lequel le boîtier de distribution (32) est disposé à l'extérieur de l'espace de cuisson (4) et le disque de distribution (26), d'une part, pénètre dans le boîtier de distribution (32) avec un côté du disque de distribution (26) faisant face au boîtier de distribution (32) à travers une ouverture dans une paroi d'espace de cuisson (8) de l'espace de cuisson (4) et, d'autre part, fait saillie dans l'espace de cuisson (4), avec la plaque de base (40), avec un côté du disque de distribution (26) faisant face à l'espace de cuisson (4), à travers l'ouverture, l'ouverture dans la paroi d'espace de cuisson (8) fournissant l'ouverture de sortie (36).
  6. Appareil de cuisson (2) selon la revendication 5, dans lequel le disque de distribution (26) est réalisé et disposé dans l'espace de cuisson (4) de telle manière que la plaque de base (40) du disque de distribution (26) recouvre sensiblement l'ouverture dans la paroi d'espace de cuisson (8), avec vue de l'espace de cuisson (4), perpendiculairement vers la plaque de base (40).
  7. Appareil de cuisson (2) selon l'une des revendications précédentes, dans lequel le système de distribution (12) est disposé approximativement au centre d'une paroi d'espace de cuisson (8) de l'espace de cuisson (4) conçue en tant que plafond d'espace de cuisson, de préférence, le système de distribution (12) étant disposé de manière sensiblement perpendiculaire au-dessus de l'évacuation (22).
  8. Appareil de cuisson (2) selon l'une des revendications précédentes, dans lequel la conduite d'arrivée (20) est en outre raccordée à l'évacuation (22) d'une manière conductrice d'écoulement au moyen d'une conduite de dérivation (52) du système de circulation (14), la conduite de dérivation (52) pouvant être verrouillée, dans un mode sans dérivation, au moyen d'au moins une vanne (54).
  9. Appareil de cuisson selon l'une des revendications précédentes, dans lequel l'appareil de cuisson présente un générateur de vapeur, le générateur de vapeur pouvant être relié à l'évacuation d'une manière conductrice d'écoulement, dans un mode de nettoyage à la vapeur, au moyen d'une conduite de vapeur, et la conduite de vapeur pouvant être verrouillée, dans un mode de non-nettoyage à la vapeur, au moyen d'au moins une vanne.
  10. Appareil de cuisson selon la revendication 9, dans lequel la conduite de vapeur comprend la conduite d'arrivée et la conduite d'évacuation ou la conduite d'évacuation, la conduite d'arrivée ou la conduite d'évacuation pouvant être verrouillée, dans le mode de nettoyage à la vapeur, au moyen d'au moins une vanne, de telle manière que la vapeur ne peut pas s'échapper par l'ouverture d'arrivée du système de distribution.
  11. Procédé permettant le nettoyage d'un espace de cuisson (4) d'un appareil de cuisson (2) selon l'une des revendications 1 à 10 au moyen d'un liquide de nettoyage lors d'un processus de nettoyage comportant au moins un cycle de nettoyage,
    dans lequel le procédé présente les étapes de procédé suivantes :
    - alimentation du disque de distribution (26) en liquide de nettoyage au moyen de la conduite d'arrivée (20) et de l'ouverture d'arrivée (24) ;
    - variation d'une vitesse de rotation du disque de distribution (26) du système de distribution (12) en fonction d'un programme de nettoyage préalablement déterminé et mémorisé dans une commande de l'appareil de cuisson (2).
  12. Procédé selon la revendication 11, dans lequel le programme de nettoyage est configuré de telle manière qu'au début de l'au moins un cycle de nettoyage, le disque de distribution (26) fonctionne à une vitesse de rotation maximale du cycle de nettoyage et la vitesse de rotation est réduite après une période de temps préalablement déterminée.
  13. Procédé selon la revendication 12, dans lequel au moins une augmentation soudaine, de préférence une pluralité d'augmentations soudaines, de la vitesse de rotation du disque de distribution (26) se produit dans au moins un de l'au moins un cycle de nettoyage après la vitesse de rotation maximale du disque de distribution (26) dans le temps, respectivement une diminution de la vitesse de rotation suivant directement respectivement une augmentation soudaine dans le temps.
  14. Procédé selon l'une des revendications 11 à 13, dans lequel l'au moins un cycle de nettoyage présente un profil en dents de scie dans un diagramme vitesse-temps.
  15. Procédé selon l'une des revendications 11 à 14, dans lequel le système de distribution (12) fonctionne de telle manière que pendant le processus de nettoyage, les parois latérales d'espace de cuisson (10) et le fond d'espace de cuisson (6) et/ou les parois latérales d'espace de cuisson (10) et le plafond d'espace de cuisson (8) sont directement exposés au liquide de nettoyage provenant du système de distribution (12), de préférence une vitesse du boulon de pivotement (28) étant adaptée au diamètre D de la plaque de base (40) de telle manière que les parois latérales d'espace de cuisson (10) et le fond d'espace de cuisson (6) et/ou les parois latérales d'espace de cuisson (10) et le plafond d'espace de cuisson (8) sont sensiblement complètement exposés au liquide de nettoyage au moyen du disque de distribution (26).
  16. Procédé selon l'une des revendications 11 à 15, dans lequel l'au moins un cycle de nettoyage est configuré comme une pluralité de cycles de nettoyage et une période de temps préalablement déterminée est prévue entre deux cycles de nettoyage directement consécutifs dans le temps, dans lesquels la vitesse de rotation du disque de distribution (26) est réduite à une vitesse inférieure, préférablement est réduite à zéro, de préférence ladite période de temps étant prévue après chaque cycle de nettoyage individuel ou après un nombre préalablement déterminé de cycles de nettoyage consécutifs dans le temps.
  17. Procédé selon l'une des revendications 11 à 16, dans lequel après la détection automatique d'un blocage de l'évacuation (22) et/ou à des intervalles de temps préalablement déterminés, pendant le processus de nettoyage, le système de circulation (14) est actionné dans un état de lavage à contre-courant de telle manière que le liquide de nettoyage est acheminé à travers l'évacuation (22), à l'opposé d'un sens de circulation (46) du système de circulation (14), de préférence la pompe (16) acheminant le liquide de nettoyage à travers l'évacuation (22) à l'opposé du sens de circulation (46) du système de circulation (14) pendant l'état de lavage à contre-courant, ou la pompe (16) étant arrêtée pendant l'état de lavage à contre-courant de telle manière que le liquide de nettoyage est acheminé à travers l'évacuation (22), à l'opposé du sens de circulation (46) du système de circulation (14), au moyen de la force de gravité.
  18. Procédé selon la revendication 17, dans lequel la conduite d'arrivée (20) est reliée directement à l'évacuation (22) d'une manière conductrice d'écoulement au moyen de la conduite de dérivation (52) pendant l'état de lavage à contre-courant, de sorte que le liquide de nettoyage est acheminé à travers l'évacuation (22), à l'opposé du sens de circulation (46) du système de circulation (14), au moyen de la force de gravité dans un mode de dérivation.
  19. Procédé selon l'une des revendications 11 à 18, dans lequel le disque de distribution (26) et l'évacuation (22) sont disposés verticalement l'un au-dessus de l'autre et pour nettoyer l'évacuation (22), le disque de distribution (26) est maintenu fixe, de sorte que le liquide de nettoyage goutte ou s'écoule directement sur l'évacuation (22) depuis le disque de distribution (26).
  20. Procédé selon l'une des revendications 11 à 19, dans lequel le générateur de vapeur est relié à l'évacuation pendant le mode de nettoyage à la vapeur indirectement au moyen de la conduite de vapeur, au moyen de la conduite d'arrivée et de la conduite d'évacuation ou de la conduite d'évacuation, ou directement d'une manière conductrice d'écoulement, de telle manière que de la vapeur générée par le générateur de vapeur est acheminée à travers l'évacuation.
EP20165169.2A 2019-03-26 2020-03-24 Appareil de cuisson doté d'une chambre de cuisson, d'un système de distribution et d'un disque de distribution pour un liquide de nettoyage et son procédé de nettoyage Active EP3715723B1 (fr)

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Application Number Priority Date Filing Date Title
EP21170711.2A EP3892923B1 (fr) 2019-03-26 2020-03-24 Appareil de cuisson doté d'un espace de cuisson et son procédé de nettoyage
EP21170704.7A EP3892922B1 (fr) 2019-03-26 2020-03-24 Procédé de nettoyage d'un espace de cuisson d'un appareil de cuisson au moyen d'un liquide de nettoyage et appareil de cuisson doté d'un espace de cuisson

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DE102019107727.3A DE102019107727A1 (de) 2019-03-26 2019-03-26 Verteilerscheibe für eine Reinigungsflüssigkeit, Verteilersystem, Gargerät mit einem Garraum und Verfahren zu dessen Reinigung

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EP21170711.2A Division-Into EP3892923B1 (fr) 2019-03-26 2020-03-24 Appareil de cuisson doté d'un espace de cuisson et son procédé de nettoyage
EP21170711.2A Division EP3892923B1 (fr) 2019-03-26 2020-03-24 Appareil de cuisson doté d'un espace de cuisson et son procédé de nettoyage
EP21170704.7A Division-Into EP3892922B1 (fr) 2019-03-26 2020-03-24 Procédé de nettoyage d'un espace de cuisson d'un appareil de cuisson au moyen d'un liquide de nettoyage et appareil de cuisson doté d'un espace de cuisson
EP21170704.7A Division EP3892922B1 (fr) 2019-03-26 2020-03-24 Procédé de nettoyage d'un espace de cuisson d'un appareil de cuisson au moyen d'un liquide de nettoyage et appareil de cuisson doté d'un espace de cuisson

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EP3715723A1 EP3715723A1 (fr) 2020-09-30
EP3715723B1 true EP3715723B1 (fr) 2022-02-16

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EP20165169.2A Active EP3715723B1 (fr) 2019-03-26 2020-03-24 Appareil de cuisson doté d'une chambre de cuisson, d'un système de distribution et d'un disque de distribution pour un liquide de nettoyage et son procédé de nettoyage
EP21170704.7A Active EP3892922B1 (fr) 2019-03-26 2020-03-24 Procédé de nettoyage d'un espace de cuisson d'un appareil de cuisson au moyen d'un liquide de nettoyage et appareil de cuisson doté d'un espace de cuisson
EP21170711.2A Active EP3892923B1 (fr) 2019-03-26 2020-03-24 Appareil de cuisson doté d'un espace de cuisson et son procédé de nettoyage

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EP21170704.7A Active EP3892922B1 (fr) 2019-03-26 2020-03-24 Procédé de nettoyage d'un espace de cuisson d'un appareil de cuisson au moyen d'un liquide de nettoyage et appareil de cuisson doté d'un espace de cuisson
EP21170711.2A Active EP3892923B1 (fr) 2019-03-26 2020-03-24 Appareil de cuisson doté d'un espace de cuisson et son procédé de nettoyage

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EP (3) EP3715723B1 (fr)
DE (1) DE102019107727A1 (fr)

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DE102022127252A1 (de) 2022-10-18 2024-04-18 Miele & Cie. Kg Verteilsystem für ein Gargerät mit einem Garraum und Gargerät

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DE102020108023A1 (de) 2020-03-24 2021-09-30 Miele & Cie. Kg Verteilerscheibe für eine Reinigungsflüssigkeit, Verteilersystem, Gargerät mit einem Garraum und Verfahren zu dessen Reinigung
DE102020108021A1 (de) * 2020-03-24 2021-09-30 Miele & Cie. Kg Verteilerscheibe für eine Reinigungsflüssigkeit, Verteilersystem, Gargerät mit einem Garraum und Verfahren zu dessen Reinigung
DE102021117990A1 (de) 2021-07-13 2023-01-19 Miele & Cie. Kg Verfahren zum Betreiben einer Reinigungsvorrichtung, Steuergerät und Gargerät mit Reinigungsvorrichtung und Steuergerät
DE102021121960A1 (de) 2021-08-25 2022-07-21 Miele & Cie. Kg Verteilrad zum Verteilen einer Reinigungsflüssigkeit in einem Garraum eines Gargeräts, Verteilsystem für ein Gargerät, Gargerät und Verfahren zum Betreiben eines Verteilrads
EP4191142A1 (fr) * 2021-12-01 2023-06-07 Miele & Cie. KG Appareil de cuisson doté d'un dispositif de tamisage
BE1029979B1 (de) * 2021-12-02 2023-07-06 Miele & Cie Gargerät, Siebeinrichtung und Verwendung
DE102023119441A1 (de) 2022-08-16 2024-02-22 Miele & Cie. Kg Gargerät mit Selbstreinigungsfunktion, vorzugsweise mit Dampffunktion, besonders vorzugsweise Backofen-Dampfgarer-Kombigerät
BE1029575B1 (de) 2022-08-16 2024-03-11 Miele & Cie Verfahren zum Reinigen eines Garraums eines Gargeräts, vorzugweise eines Gargeräts mit Dampfunktion, besonders vorzugsweise eines Backofen-Dampfgarer-Kombigeräts
BE1030780B1 (de) 2022-08-16 2024-03-18 Miele & Cie Gargerät mit Selbstreinigungsfunktion, vorzugsweise mit Dampfunktion, besonders vorzugsweise Backofen-Dampfgarer-Kombigerät
BE1030783B1 (de) 2022-08-16 2024-03-18 Miele & Cie Gargerät, vorzugweise mit Dampfunktion, besonders vorzugsweise Backofen-Dampfgarer-Kombigerät, mit Selbstreinigungsfunktion
BE1030966B1 (de) 2022-10-18 2024-05-21 Miele & Cie Gargerät, vorzugsweise mit Selbstreinigungsfunktion und bzw. oder mit Dampfunktion, besonders vorzugsweise Backofen-Dampfgarer-Kombigerät, vorzugsweise mit Selbstreinigungsfunktion

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DE202007010924U1 (de) * 2007-08-06 2008-12-11 Klouda, Jaroslav Gebläselaufrad für thermische Geräte mit Reinigung
DE202012104832U1 (de) * 2012-12-12 2013-01-14 Kärcher Futuretech GmbH Reinigungsdüse zum Reinigen eines Innenraums eines Gar- oder Kombidämpfgeräts
DE102013021732A1 (de) 2013-12-20 2015-07-23 i-clean Technologies GmbH Reinigungskartusche für Reinigungsvorrichtung in Öfen
DE102014214350B3 (de) * 2014-07-23 2015-09-10 BSH Hausgeräte GmbH Haushaltsgerät mit einer Flüssigkeitsleitung
WO2016105955A2 (fr) 2014-12-23 2016-06-30 Middleby Marshall Holdings LLC d/b/a NUVU Food Service Systems Évacuation d'humidité forcée pour cuisson ou chauffage rapide
DE102016102727A1 (de) * 2015-08-17 2017-02-23 Netzsch-Feinmahltechnik Gmbh Reinigungsvorrichtung und produktverarbeitende Anlage
DE102016100204A1 (de) * 2016-01-06 2017-07-06 Miele & Cie. Kg Gargerät
DE102017100077A1 (de) * 2017-01-04 2018-07-05 Miele & Cie. Kg Gargerät und Verfahren zum Reinigen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022127252A1 (de) 2022-10-18 2024-04-18 Miele & Cie. Kg Verteilsystem für ein Gargerät mit einem Garraum und Gargerät
EP4357675A1 (fr) 2022-10-18 2024-04-24 Miele & Cie. KG Système de distribution pour un appareil de cuisson doté d'une chambre de cuisson et appareil de cuisson

Also Published As

Publication number Publication date
EP3715723A1 (fr) 2020-09-30
EP3892922A1 (fr) 2021-10-13
EP3892923A1 (fr) 2021-10-13
EP3892923B1 (fr) 2023-06-07
EP3892922C0 (fr) 2024-05-22
DE102019107727A1 (de) 2020-10-01
EP3892922B1 (fr) 2024-05-22

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