EP1717518B1 - Gargerät mit einem Garraumablauf und einem Siphon - Google Patents

Gargerät mit einem Garraumablauf und einem Siphon Download PDF

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Publication number
EP1717518B1
EP1717518B1 EP05009414A EP05009414A EP1717518B1 EP 1717518 B1 EP1717518 B1 EP 1717518B1 EP 05009414 A EP05009414 A EP 05009414A EP 05009414 A EP05009414 A EP 05009414A EP 1717518 B1 EP1717518 B1 EP 1717518B1
Authority
EP
European Patent Office
Prior art keywords
cooking chamber
cooking
siphon
fluid
water
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
EP05009414A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1717518A1 (de
Inventor
Peter Helm
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.)
MKN Maschinenfabrik Kurt Neubauer GmbH and Co KG
Original Assignee
MKN Maschinenfabrik Kurt Neubauer GmbH and Co 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 MKN Maschinenfabrik Kurt Neubauer GmbH and Co KG filed Critical MKN Maschinenfabrik Kurt Neubauer GmbH and Co KG
Priority to EP05009414A priority Critical patent/EP1717518B1/de
Priority to DE502005001185T priority patent/DE502005001185D1/de
Priority to AT05009414T priority patent/ATE369527T1/de
Priority to ES05009414T priority patent/ES2287836T3/es
Priority to DK05009414T priority patent/DK1717518T3/da
Priority to US11/415,013 priority patent/US7677163B2/en
Publication of EP1717518A1 publication Critical patent/EP1717518A1/de
Application granted granted Critical
Publication of EP1717518B1 publication Critical patent/EP1717518B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the invention relates to a cooking appliance with a cooking chamber and with a cooking chamber drain for a fluid.
  • Cooking appliances are used to prepare food.
  • the food inside is heated. This creates vapor or steam or other fluids that must be removed. For this reason, as a rule, in the bottom of the cooking chamber of the cooking appliance, a cooking chamber drain through which these fluids then pass to a cooking appliance drain or wastewater connection and disposed of.
  • the control of this process takes place for automatic cleaning by means of an electronic device control.
  • the object of the invention is in contrast, to allow automatic cleaning for such cooking appliances with a simple and yet technically largely reliable conception.
  • a cooking appliance with a cooking chamber, with a cooking chamber drain for a fluid, with a device drain, with a water mask, with a connecting line from the water mask into the oven, with a connecting line associated funding for the controllable supply of fluid from the water mask in the cooking chamber, and with a distribution device for the fluid in the cooking chamber, which is characterized in that a siphon is arranged downstream of the Garraumablauf that the device drain is located downstream of the siphon that the water reservoir is present in the siphon.
  • the invention makes use of an element which is already present in many cooking appliances per se, but serves there for entirely different purposes, but does not represent any impairment for these other purposes.
  • Cooking appliances with steam generating equipment usually have a wastewater assembly to connect to a local sewage network.
  • the accumulating during cooking condensates and liquids are discharged during cooking as already mentioned above this wastewater assembly.
  • a siphon has a water trap that prevents odors or vapors from passing through the assembly.
  • this existing water reservoir in the siphon is now used as a base liquid for cleaning. This leads to the surprising result that an additional closing about the cooking chamber drain or the Garaussablaufes is no longer necessary. On such a closure can be completely omitted. Considering that the closures previously used in practice with their accessories cost some 100 € and also need to be meticulously maintained, the advantage arising according to the invention is clearly visible.
  • Such a device may, for example, have a solenoid valve and a connection to the local water supply network and act as condensate cooling. With it, the siphon is filled when fluid is removed from the water reservoir. But even during the cooking process in the oven of the cooking appliance, ie during the usual function, the temperature of the water reservoir and thus also of the exceeding condensate is limited to a maximum value by such a Wrasenablösch worn.
  • a temperature sensor can be placed in the water reservoir, which limits this maximum temperature in conjunction with a controller.
  • heating elements provided in the cooking chamber are also used immediately for heating the cleaning fluid. This can be achieved by a clever arrangement and utilization of the distribution device.
  • a conveying means assigned to the siphon is preferably provided which conveys fluid from the water reservoir in the siphon to the wastewater connection.
  • the siphon contents can be conveyed to the cooking appliance outlet and thus additionally the water exchange in the water feed can be promoted.
  • the conveying means associated with the siphon and the connecting line are identical. So one and the same pump can be used for both purposes.
  • the one or more funding are also preferred pumps. Such pumps are particularly suitable for the desired purpose as conveying purpose.
  • a controllable branch is provided in the connecting line, from which a branch line leads to the device sequence.
  • So-called drainage pumps, centrifugal pumps and other types of pumps can be used. It is favorable, although larger particles can be promoted to promote the content of the siphon in the device sequence. Also sieves can be useful in certain cases.
  • the cooking chamber can still be rinsed with fresh water and then dried and then used for its main purpose, namely the cooking of food. So it is easily possible to use the cooking appliance to hold a gala dinner or a dinner in a restaurant and wait for the visit of the called repair service the next day, which can be economically very significant.
  • a reversible 2/3-way valve can be used for the practical application, which is placed behind the conveyor in the connecting line and thus causes an optional promotion of the fluid from the siphon either in the cooking chamber or in the cooking appliance.
  • a supply device for fresh water is provided in the cooking chamber.
  • the supply device has a nozzle in the cooking chamber for distributing the fresh water.
  • the distribution device for the fluid in the cooking chamber has a nozzle at the end of the connecting line in the cooking chamber, which carries out the distribution of the conveyed from the siphon fluid in the cooking chamber.
  • the fan wheel often present in the cooking chamber can also be added, with which a good distribution of the cleaning fluid throughout the cooking chamber can take place.
  • the cleaning purpose is particularly well met when supply means for cleaning and / or rinse aid in the cooking chamber or to the supply means for the fresh water in the cooking chamber or in the connecting line from the siphon into the cooking chamber or in the siphon are provided.
  • a separating element is arranged in the siphon, which separates a region of the siphon in which coarse particles are deposited from one another from a region of the siphon from which the conveying device is conveyed. This avoids that coarse contaminant particles such as crumbs are re-entered with the funded fluid in the oven. Instead, they are conveniently prepared to be easily transported to the sewage connection.
  • FIG. 10 A first embodiment of an overall construction according to the invention is shown schematically in FIG .
  • the cooking chamber 10 has a bottom 11, an upper side 12 and a side wall 13. The details are omitted here.
  • a recirculation device 14 located on one side of the side wall 13 of the cooking chamber 10 is a recirculation device 14 for the cooking chamber 10.
  • the recirculation device 14 has a motor and a fan located within the cooking chamber 10 15th
  • a wastewater assembly ie a drain device 30 for a fluid that has formed in the cooking chamber 10.
  • This drainage device 30 begins with a cooking chamber outlet 31 in the bottom 11 of the cooking chamber 10. From the cooking chamber drain 31, a line 32 continues to a siphon 33.
  • the siphon In the siphon is a water mask 34.
  • the surface or the water level of this water mask 34 in the siphon 33 is also referred to as the water line 35.
  • the water level or the waterline 35 extends in the siphon 33 to the outlet height in the line to the cooking appliance 36th
  • the Wrasenabkühl sexual 51 also serves as a condensate cooling and has a connection to the local water mains, so cool fresh water can be supplied and so the temperature of the water reservoir 34 in the siphon 33 can be limited to a legally permissible maximum value , This also limits the temperature of the waste water in the cooking appliance drain 36.
  • connecting line 40 ends in the illustrated, quite also preferred embodiment in the vicinity of the fan 15 of the air conditioning device 14th
  • a conveying means 41 is provided which leads a fluid, in particular the liquid present in the water mask 34, out of the siphon 33 into the cooking chamber 10 and, as mentioned, preferably into the vicinity of the fan wheel 15.
  • This conveying means 41 is preferably a circulating pump. Since the temperature of the water mask 34 is limited to a maximum value even during the cooking operation of the cooking appliance, the pump or the conveyor 41 is protected against too high a Wrasentemperatur.
  • the automatic cleaning control can provide for this purpose that after switching on the conveyor 41 and the Wrasenlösch Hughes 51 associated filling now work and feed fresh water into the siphon 33 during the cleaning process here. This ensures at the same time that the odor-trap function of the siphon 33 can also remain unchanged. At the same time, it is also possible to ensure that an overflow that is possibly integrated in the siphon continues to be shut off with the water mask 34 and prevents steam and possibly also foam occurring during the cleaning process from escaping there.
  • the conveyor 41 In normal cooking operation of the arrangement of Figure 1, the conveyor 41 is inactive.
  • the siphon 33 is filled to the waterline 35 and thus fulfills the odor trap function. If wastewater is formed during the cooking process, the vapor removal device 51 cools this condensate or these vapors and at the same time holds the siphon 33 constantly in the same filling level. There is no flow in the connection line 40 and nothing comes out at its end.
  • the conveying means 41 for example the circulation pump, can be switched on in order to achieve a better mixing of the liquid in the siphon 33 and thus to promote the exchange of the liquid.
  • the liquid in the water reservoir 34 in the siphon 33 is sufficiently pure. If the conveyor 41 is not yet in operation, it is now additionally switched on, while preferably still fresh water with the help of Wrasenablösch Hughes 51 or other components is supplied to counteract the decline of the waterline 35 of the water mask 34 in the siphon 33.
  • the conveying means 41 conveys the liquid through the connecting line 40 into the cooking chamber 10 and in the exemplary embodiment shown in FIG. 1 in the vicinity of the fan wheel 15 of the air-conditioning device 14.
  • a cleaning agent can be introduced into the conveyed liquid.
  • liquid cleaning agents with the aid of pumps or valves in the connecting line 41 are supplied, which are controlled accordingly by the device control.
  • cleaning rod or other relieveelnraumen and containers as for example from the EP 1 209 419 A2 or the EP 1 103 599 A1 are known.
  • the rotating fan wheel 15 now leads the emerging from the connecting line 41 liquid, in particular together with the contained therein or simultaneously supplied cleaning liquid into the cooking chamber 10.
  • the inner wall and the mounting parts are cleaned in the cooking chamber 10 by the action of the cleaner and the impinging liquid ,
  • the liquid finally collects on the bottom 11 of the cooking chamber 10 and passes through the cooking chamber 31 in the bottom 11 again through the line 32 to the siphon 33rd
  • this process is carried out at a cooking chamber temperature between 40 ° C and 100 ° C, because this increased temperature improves the cleaning effect.
  • the content of the siphon 33 is flushed out again by means of the Wrasenablösch Hughes 51 and / or the conveyor 41, to now remove the cleaner or to dilute the contents of the siphon 33 accordingly.
  • the cleaning fluid together with the removed from the cooking chamber 10 deposits to Garellaablauf 36 and further into the local sewage network.
  • the liquid in the siphon 33 is exchanged again in order to free the cooking chamber 10 as far as possible from the rinse aid now contained therein.
  • the temperature is lowered so far that the temperature of the circulated liquid does not exceed 50 ° C as possible in order to avoid limescale in the water, which could optically cloud the cooking chamber 10.
  • a second conveyor 38 is additionally provided, in particular a lifting pump.
  • This can be a relatively small pump.
  • This pump may assist in promoting the content of the siphon 33 to the cooking appliance drain 36.
  • the pump or the conveying means 38 can either be located inside the siphon 33, as shown in FIG. 2, or else be arranged outside the same.
  • the content of the siphon 33 can be deployed faster.
  • FIG. 3 shows an additional possibility.
  • a branch 45 is arranged in the connecting line 40 in the connecting line 40 in the connecting line 40.
  • This branch 45 may for example be provided with a 312-way valve.
  • a branch line 46 leads to the cooking appliance drain 36.
  • the two conveying means 38 and 41 can be provided by one and the same pump or other device.
  • FIG. 4 shows a further variant of the embodiment from FIG. FIG. 4 shows that the connecting line 40 is not arranged in the vicinity of the fan wheel 15 of the circulating air device 14, but instead has a nozzle 42 at its end in the cooking chamber 10. The liquid from the siphon 33 is thus introduced into the cooking chamber 10 via this rinsing nozzle 42. In the figure 4 while a rotating nozzle is shown. It is also possible to provide one or more such nozzles 42 flushing the cooking chamber 10.
  • the nozzle 42 can be made to rotate either by the pressure of the conveyor 41, that is, by the pump pressure, or by flow-technically suitably arranged outlet nozzles and / or are driven by a motor. Such flushing nozzles can further increase the cleaning performance.
  • FIG. 5 shows a further alternative possibility, again with a recirculation device 14 and a fan wheel 15.
  • a recirculation device 14 and a fan wheel 15.
  • FIG. 5 shows a further alternative possibility, again with a recirculation device 14 and a fan wheel 15.
  • another combination of the various features from the embodiments is also conceivable.
  • a supply device 20 for a fluid is additionally provided in the cooking chamber 10.
  • the supply device 20 has a valve 21 for the fluid in order to be able to control the supply.
  • the fluid passes via a line 22 to a nozzle 23 in the upper region, adjacent to the top 12, the cooking chamber 10th
  • nozzles 23 may be provided.
  • this device for introducing water can also be used as a feed device 20 for introducing water for cleaning purposes.
  • the supply device 20 can be used alternatively or in addition to the Wrasenablösch Hughes 51 to introduce water for the cleaning process in the system, which is the cooking space 31, the conduit 32 and the siphon 33 is constructed via the connecting line 40, the cooking chamber 10. This water can contribute to the faster exchange of water in the siphon 33 and keep the waterline 35 at the desired height.
  • FIG. 6 shows a further embodiment.
  • the element 52 is a separating element which is attached to the bottom of the siphon 33 in such a way that particles of the cooking process, which are heavier than water and which are introduced into the siphon 33 via the line 32, accumulate in a region at the bottom of the siphon, which does not directly adjoin the exit region of the pump 41. Thus, the particles are not introduced by the pump 41 into the cooking chamber 11.
  • the pump 38 can carry these particles in the Siphonentle réelle in the device drain 36 to the sewer connection.
  • the separator 52 does not completely separate the siphon, but leaves some passages free so that the siphon can be completely emptied.
  • the height of the separating element 52 is lower than the usual water level in the siphon 33.
  • the individual process steps can all be performed by an automatic. This regulates in each case, whether the siphon is filled, whether it is flushed, whether in the cooking chamber, the fluid should be heated or not, if and which additives are respectively added to the fluid, whether cleaning fluid is pumped or whether rinsed or cleared. Finally, there are also steps that automatically carry out drying by hot air in the cooking chamber.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Commercial Cooking Devices (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cookers (AREA)
EP05009414A 2005-04-29 2005-04-29 Gargerät mit einem Garraumablauf und einem Siphon Active EP1717518B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP05009414A EP1717518B1 (de) 2005-04-29 2005-04-29 Gargerät mit einem Garraumablauf und einem Siphon
DE502005001185T DE502005001185D1 (de) 2005-04-29 2005-04-29 Gargerät mit einem Garraumablauf und einem Siphon
AT05009414T ATE369527T1 (de) 2005-04-29 2005-04-29 Gargerät mit einem garraumablauf und einem siphon
ES05009414T ES2287836T3 (es) 2005-04-29 2005-04-29 Aparato de cocinado con una salida del recinto de cocinado y un sifon.
DK05009414T DK1717518T3 (da) 2005-04-29 2005-04-29 Kogeindretning med kogerumsaflöb og en sifon
US11/415,013 US7677163B2 (en) 2005-04-29 2006-05-01 Cooking device with a cooking chamber outlet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05009414A EP1717518B1 (de) 2005-04-29 2005-04-29 Gargerät mit einem Garraumablauf und einem Siphon

Publications (2)

Publication Number Publication Date
EP1717518A1 EP1717518A1 (de) 2006-11-02
EP1717518B1 true EP1717518B1 (de) 2007-08-08

Family

ID=34935937

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05009414A Active EP1717518B1 (de) 2005-04-29 2005-04-29 Gargerät mit einem Garraumablauf und einem Siphon

Country Status (6)

Country Link
US (1) US7677163B2 (es)
EP (1) EP1717518B1 (es)
AT (1) ATE369527T1 (es)
DE (1) DE502005001185D1 (es)
DK (1) DK1717518T3 (es)
ES (1) ES2287836T3 (es)

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DE102009009013A1 (de) 2009-02-16 2010-08-19 Rational Ag Verfahren zum Entfeuchten und Gargerät hierfür
DE102011105716A1 (de) 2011-06-23 2012-12-27 MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG Gargerät mit einem Tiegel und Verfahren zur Reinigung des Tiegels
WO2013013684A1 (en) 2011-07-25 2013-01-31 Convotherm-Elektrogeräte Gmbh Cooking device
DE102021114666A1 (de) 2021-06-08 2022-12-08 MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG Gargerät für die Großküche mit Fettabsaugeinrichtung, Fettabsaugeinrichtung sowie Verfahren zum Betreiben eines solchen Gargeräts mit Fettabsaugung

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US9372005B2 (en) 2012-11-30 2016-06-21 Alto-Shaam, Inc. Heat exchanger for oven
US9562695B2 (en) * 2013-03-14 2017-02-07 Turbochef Technologies, Inc. Moisture management devices and systems for ovens
DE102013110975B4 (de) * 2013-03-19 2015-11-05 Hanning Elektro-Werke Gmbh & Co. Kg Ansteuerung für ein Gargerät
DE102013110974A1 (de) * 2013-03-19 2014-09-25 Hanning Elektro-Werke Gmbh & Co. Kg Reinigungsvorrichtung für Küchengeräte und Pumpensystem
US20160061458A1 (en) * 2014-09-02 2016-03-03 B/E Aerospace, Inc. Steam Injection System and Method
DE102015103673A1 (de) * 2015-03-12 2016-09-15 Rational Ag Gargeräte-Reinigungsmitteltank und Gargerät hiermit
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DE102016206483A1 (de) 2016-04-18 2017-10-19 Convotherm Elektrogeräte GmbH Verfahren zum Feststellen einer Reinigungsnotwendigkeit und Qualitätsmanagement-Überwachungssystem eines gewerblichen Gargeräts, und gewerbliches Gargerät
DE102016108535A1 (de) * 2016-05-09 2017-11-09 Rational Aktiengesellschaft Verfahren zum Steuern einer Pumpe in einem Gargerät sowie Gargerät
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DE102017214762A1 (de) * 2017-08-23 2019-02-28 Convotherm Elektrogeräte GmbH Gargerät, insbesondere gewerbliches Gargerät
ES2832467T3 (es) * 2018-07-17 2021-06-10 Carogusto Ag Dispositivo y método para la preparación de alimentos dispuestos en un recipiente
DE102022114269A1 (de) 2022-06-07 2023-12-07 Rational Aktiengesellschaft Gargerät mit einem Selbstreinigungssystem sowie ein Verfahren zum Ändern von Reinigungsparametern für das Gargerät
BE1030970B1 (de) * 2022-10-19 2024-05-21 Miele & Cie Verfahren zum Entfernen einer schaumbildenden Reinigungsflüssigkeit aus einem Garraum eines Gargeräts und Gargerät

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009009013A1 (de) 2009-02-16 2010-08-19 Rational Ag Verfahren zum Entfeuchten und Gargerät hierfür
DE102011105716A1 (de) 2011-06-23 2012-12-27 MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG Gargerät mit einem Tiegel und Verfahren zur Reinigung des Tiegels
WO2012175564A1 (de) 2011-06-23 2012-12-27 Mkn Maschinenfabrik Kurt Neubauer Gmbh & Co. Gargerät mit einem tiegel und verfahren zur reinigung des tiegels
WO2013013684A1 (en) 2011-07-25 2013-01-31 Convotherm-Elektrogeräte Gmbh Cooking device
DE102021114666A1 (de) 2021-06-08 2022-12-08 MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG Gargerät für die Großküche mit Fettabsaugeinrichtung, Fettabsaugeinrichtung sowie Verfahren zum Betreiben eines solchen Gargeräts mit Fettabsaugung
WO2022258601A1 (de) 2021-06-08 2022-12-15 MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG Gargerät für die grossküche mit fettabsaugeinrichtung, sowie verfahren zum betreiben eines solchen gargeräts mit fettabsaugung

Also Published As

Publication number Publication date
DE502005001185D1 (de) 2007-09-20
DK1717518T3 (da) 2007-12-03
US20060260476A1 (en) 2006-11-23
ES2287836T3 (es) 2007-12-16
US7677163B2 (en) 2010-03-16
EP1717518A1 (de) 2006-11-02
ATE369527T1 (de) 2007-08-15

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