EP3569933A1 - Appareil acheminant le liquide destiné à la préparation des aliments et / ou des boissons ou au nettoyage d'un article à nettoyer ainsi que son procédé de fonctionnement - Google Patents

Appareil acheminant le liquide destiné à la préparation des aliments et / ou des boissons ou au nettoyage d'un article à nettoyer ainsi que son procédé de fonctionnement Download PDF

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Publication number
EP3569933A1
EP3569933A1 EP19169392.8A EP19169392A EP3569933A1 EP 3569933 A1 EP3569933 A1 EP 3569933A1 EP 19169392 A EP19169392 A EP 19169392A EP 3569933 A1 EP3569933 A1 EP 3569933A1
Authority
EP
European Patent Office
Prior art keywords
liquid
pump
conducting device
drive
liquid line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19169392.8A
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German (de)
English (en)
Inventor
Hans-Gerd Holtdirk
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
Publication of EP3569933A1 publication Critical patent/EP3569933A1/fr
Withdrawn legal-status Critical Current

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Classifications

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

Definitions

  • the invention relates to a liquid-conducting device for preparing food and / or drinks or for cleaning a material to be cleaned referred to in the preamble of claim 1 and a method for its operation.
  • Such a liquid-conducting device for preparing food and / or drinks or for cleaning a good to be cleaned and a method for its operation are already out of the EP 2 662 634 A1 known.
  • the household appliance known therefrom has a treatment room, a movable device device and a pump for liquids, wherein the pump is drivably coupled to the movable device device, for example a door of the household appliance.
  • the invention thus presents the problem of providing a liquid-conducting device for preparing food and / or drinks or for cleaning a good to be cleaned and a method for its operation, in which the functionality of the pump for conveying the liquid is improved.
  • this problem is solved by a liquid-conducting device for preparing food and / or drinks or for cleaning a material to be cleaned with the features of claim 1, after which the pump is additionally designed to convey located in the storage container liquid from the reservoir to the liquid line is.
  • the pump is thus operable in two conveying directions.
  • this problem is solved by a method for operating a liquid-conducting device for preparing food and / or drinks or for cleaning a good to be cleaned with the features of claim 7.
  • the advantage achievable with the invention consists in particular in the improved functionality of the conveying device, namely the pump, the liquid-conducting device for preparing food and / or drinks or for cleaning a good to be cleaned.
  • the liquid may in particular be water or water-based liquids and liquid mixtures. However, liquids with a certain proportion of solids or gases are also conceivable.
  • the liquid-conducting device for preparing food and / or drinks or for cleaning a good to be cleaned can be designed as a household appliance or as a device for professional use.
  • the pump of the liquid-conducting device according to the invention has, for example, an electric motor drive.
  • other suitable drives of the pump are possible. Due to the ability to promote by means of the pump liquid both from the liquid line to the feed tank, as well as in the opposite direction, ie from the feed tank to the liquid line, beyond the structural design of the liquid-conducting device according to the invention is simplified. Furthermore, the device according to the invention by the omission of an additional pump for the promotion in the opposite direction space saving and thus compact and inexpensive feasible.
  • the pump according to type, operation, material, dimensioning, arrangement, drive and operation in wide suitable limits freely selectable.
  • An expedient development of the liquid-conducting device according to the invention provides that a drive of the pump by means of a control in a first operating mode of the drive for conveying liquid from the liquid line to the storage tank and in a second operating mode of the drive for conveying liquid from the storage tank to the Liquid line can be controlled.
  • liquid-conducting device provides that the liquid line is connected in flow-conducting manner to a first opening of the pump and the storage container to a second opening of the pump. In this way, switching means and their control by means of a control can be dispensed with.
  • a particularly advantageous embodiment of the liquid-conducting device according to the invention provides that the pump is designed as a vane pump.
  • Vane pumps are also referred to as rotary vane pumps and are very quiet, very efficient and cost effective. Due to the design of vane pumps, these can be operated in a simple manner in both conveying directions.
  • the vane pump has a rotor with flexible wings.
  • Such a design of the vane pump is also referred to as an impeller pump.
  • the wings may in this case be formed, for example, of an elastic, rubber-like material.
  • Have vane pumps with flexible wings in particular the advantage that they are particularly well self-priming in a structurally simple way.
  • the storage container according to type, function, material, shape, dimensions, arrangement and number within wide suitable limits freely selectable.
  • an advantageous development of the liquid-conducting device according to the invention provides that the storage container is designed as part of an evaporator. In this way, the structural design of liquid-conducting devices with an evaporator is simplified. Furthermore, this reduces the space required, so that a total of compact design is possible.
  • An advantageous development of the method according to the invention provides that the controller automatically drives the pump as a function of a program sequence and / or a measurement of at least one measured variable on or in the liquid-conducting device and / or depending on a user input by means of a user interface of the liquid-conducting device first and / or transferred to the second operating mode.
  • the controller automatically drives the pump as a function of a program sequence and / or a measurement of at least one measured variable on or in the liquid-conducting device and / or depending on a user input by means of a user interface of the liquid-conducting device first and / or transferred to the second operating mode.
  • control transfers the drive of the pump into the first operating mode as a function of the presence of liquid in the liquid line and / or in a liquid reservoir connected fluidically to the liquid line. In this way it is ensured that the pump does not run dry in the first operating mode.
  • control transfers the drive of the pump as a function of the presence of liquid in the storage container into the second operating mode.
  • a user is informed by means of a user interface of the liquid-conducting device according to the invention the absence of liquid in the liquid line and / or the liquid reservoir and / or the storage container. It is also conceivable that in the absence of liquid in the storage container to the user by means of the user interface a completion message is displayed and / or the pump is automatically turned off.
  • the absence of liquid in the liquid line and / or the liquid reservoir and / or the storage container can be detected in a manner known to those skilled in the art by means of suitable sensors and forwarded to a controller of the liquid-conducting device according to the invention for further processing.
  • a first embodiment of a liquid-conducting device according to the invention is shown in a partial representation.
  • the liquid-conducting device is designed as a household oven.
  • the oven has a treatment chamber 2 designed as a cooking chamber, namely as a baking muffle.
  • Certain programs for operating the oven require a supply of water vapor. Such programs are used, for example, for the so-called climate agar.
  • climate agar When air conditioning, the humidity in the oven, so for example, the baking muffle 2, adjusted during cooking.
  • steam is generated and introduced during the cooking process in the cooking chamber of the cooking appliance.
  • climate gums are particularly advantageous for long-lasting cooking processes of large roast pieces in order to protect the meat from undesired drying out.
  • an evaporator 4 which is in fluid communication with the baking muffle 2 by means of a steam line 6.
  • the evaporator 4 has a designed as an evaporator chamber storage tank 4.1 for water and a heater 4.2 for the evaporation of located in the storage tank 4.1 water.
  • the oven has a trained as a vane pump and the feed tank 4.1 by means of a water supply line 8 connected in flow-connected pump 10, by means of the water through a formed as a water pipe liquid line 12 from one with water 14 filled separate water reservoir 16 in the storage tank 4.1 of the evaporator 4 is conveyed.
  • the water reservoir 16 is designed here as a cup or a cup. If necessary, a user of the oven, for example by means of a not shown user interface in a manner known to those skilled in the art to order a filled with water 14 cup 16 or the like in flow-conducting connection to the water pipe 12.
  • the pump 10 is automatically driven by means of a trained as an electric motor drive 18 in the art known manner.
  • the electric motor 18 is signal-transmitting and power-transmitting connected to a controller 20 of the oven.
  • the signal transmission connection can take place directly or indirectly. Furthermore, both wired and wireless signal transmission connections are possible.
  • the electric motor 18 is designed as an integral part of the pump 10. By means of the controller 20, the electric motor 18 of the pump 10 in a first operating mode of the electric motor 18 for conveying the water 14 from the water pipe 12, and thus from the water reservoir 16, to the storage tank 4.1 and in a second operating mode of the electric motor 18 for the promotion of Water from the reservoir 4.1 to the water pipe 12, and thus to the water reservoir 16, controllable.
  • the designed as a vane pump pump 10 is in Fig. 2 partially shown in an enlarged sectional view.
  • the pump 10 has a stator 10. 1 and a rotor 10. 2, wherein a total of four vanes 10. 3 are arranged on the rotor 10.
  • the wings 10.3 are substantially rigid and arranged in each case in the radial direction movable on the rotor 10.2.
  • the rotor 10.2 is arranged eccentrically to a central axis 10.1.1 of the stator 10.1, which is illustrated by a central axis 10.2.1 of the rotor 10.2.
  • the stator 10.1 has a first opening 10.1.2 and a second opening 10.1.3, wherein the first opening 10.1.2 is connected to the water pipe 12 and the second opening 10.1.3 to the water supply line 8 in a flow-conducting manner.
  • the water pipe 12 and the water supply pipe 8 are in the Fig. 2 not shown.
  • a user sets a food not shown in the baking muffle 2 of the oven and selects by means of a user interface of the oven, not shown, a program for the operation of the oven, such as aircrafts from.
  • the user is prompted by the user interface to place the cup 16 with water 14 in fluid communication with the water line 12.
  • the controller 20 of the oven recognizes, in a manner known to those skilled in the art, that the cup 16 has been arranged with water 14 in flow communication with the water conduit 12, the controller 20 automatically transfers the electric motor 18 of the pump 10 to its first mode of operation.
  • the electric motor 18 of the pump 10 for conveying the water 14 from the water line 12 and thus of the cup 16 with the water 14 to the feed tank 4.1 of the evaporator 4 is driven.
  • the rotor 10.2 of the pump 10 rotates in the image plane of Fig. 2 left around its central axis 10.2.1, ie counterclockwise.
  • the water passes through the first opening 10.1.2 in the pump 10 and leaves the pump 10 through the second opening 10.1.3.
  • the water 14 from the cup 16 thus passes by means of the water line 12, the pump 10 and the water supply line 8 in the storage tank 4.1 of the evaporator 4 and is heated in the storage tank 4.1 of the evaporator 4 by means of the heater 4.2 and at least partially evaporated.
  • the resulting in the reservoir 4.1 water vapor flows through the steam line 6 in the baking muffle 2.
  • the water in the reservoir 4.1 and the water vapor generated therefrom are in Fig. 1 not shown.
  • the evaporation of the water contained in the storage tank 4.1 is controlled or regulated by the controller 20.
  • the rest of the water in the reservoir 4.1 is detected, for example by means of suitable sensors of the controller 20, whereby the controller 20 automatically transfers the electric motor 18 of the pump 10 in its second operating mode.
  • the controller 20 controls the electric motor 18 of the pump 10 such that the rotor 10.2 of the pump 10 in the image plane of Fig. 2 Turn clockwise around its central axis 10.2.1, clockwise.
  • the water passes through the second opening 10.1.3 in the pump 10 and leaves the pump 10 through the first opening 10.1.2.
  • the controller 20 As soon as the controller 20, for example by means of the above-mentioned sensors, detects that there is no longer any water in the storage container 4.1, the controller 20 switches off the electric motor 18 and thus the pump 10. A corresponding completion message is output to the user by means of the user interface. The user can remove the cup 16 with the remainder of water 14 that has been conveyed from the storage tank 4.1 of the evaporator 4 back into the cup 16, from the oven and empty, for example, in a spout.
  • an additional but not required for the cooking process evaporation of this remaining in the storage tank 4.1 remainder of water is thus not required, as has been done in various embodiments of the prior art in the wake of the cooking process, ie after Garrete. Accordingly, the invention can save time, energy and thus costs. In addition, no steam must be diverted into the installation room of the device.
  • Fig. 3 shows one to the vane pump according to the Fig. 2 alternative embodiment of a vane pump, namely a vane pump with flexible wings.
  • a vane pump can be used for example in a second embodiment of a liquid-conducting device according to the invention. Otherwise, the second embodiment does not differ from the first embodiment, the above explanations to the first embodiment can be fully referenced. Accordingly, in Fig. 3 the same or equivalent components also with the same reference numerals as in the Fig. 1 and 2 designated.
  • the invention is not limited to the present embodiments.
  • the invention can also be advantageously used in other devices for preparing food and / or drinks.
  • devices for the preparation of food and / or drinks such as coffee machines, and cleaning equipment, such as washing machines or dishwashers, conceivable.
  • the liquid-conducting appliance for preparing food and / or drinks or for cleaning a good to be cleaned may be designed as a household appliance or as a device for professional use.
  • the liquid is freely selectable within wide suitable limits. For example, it may not only be water, but in particular also water-based liquids and liquid mixtures. However, liquids with a certain proportion of solids or gases are also conceivable.
  • the liquid for example the water, does not necessarily have to be evaporated in an evaporator before it is introduced into a treatment chamber of a liquid-conducting device according to the invention.
  • the liquid for example the water, from the storage tank without further treatment of the liquid, such as evaporation, mixing with another liquid and / or a solid and / or a gas or the like be introduced into a treatment room of a liquid-conducting device according to the invention.
  • At least one liquid fixed connection can also be provided.
  • the liquid line for conveying liquid into the storage container on the one hand with a liquid fixed connection and on the other with a liquid discharge for the liquid from the feed tank to the liquid line back conveyed liquid be connected.
  • a switching means such as a valve or the like.
  • a switching means is integrated in the pump. In the latter case, the pump would then have both a first opening for the fluid connection as well as a further first opening for the liquid discharge.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)
EP19169392.8A 2018-05-15 2019-04-16 Appareil acheminant le liquide destiné à la préparation des aliments et / ou des boissons ou au nettoyage d'un article à nettoyer ainsi que son procédé de fonctionnement Withdrawn EP3569933A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018111529.6A DE102018111529A1 (de) 2018-05-15 2018-05-15 Flüssigkeitsführendes Gerät zum Zubereiten von Speisen und/oder Getränken oder zum Reinigen eines zu reinigenden Gutes sowie Verfahren für dessen Betrieb

Publications (1)

Publication Number Publication Date
EP3569933A1 true EP3569933A1 (fr) 2019-11-20

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EP19169392.8A Withdrawn EP3569933A1 (fr) 2018-05-15 2019-04-16 Appareil acheminant le liquide destiné à la préparation des aliments et / ou des boissons ou au nettoyage d'un article à nettoyer ainsi que son procédé de fonctionnement

Country Status (2)

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EP (1) EP3569933A1 (fr)
DE (1) DE102018111529A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4295733A1 (fr) * 2022-06-23 2023-12-27 Miele & Cie. KG Appareil de transport de liquide pour préparer des aliments et/ou des boissons ou pour nettoyer un produit à nettoyer ainsi que pompe pour un appareil de transport de liquide

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3884265A (en) * 1970-06-24 1975-05-20 Arbrook Inc Decontamination apparatus
WO2010059397A1 (fr) * 2008-10-30 2010-05-27 Porous Media Corporation Système de puits de trempage
US20120199110A1 (en) * 2011-02-07 2012-08-09 Timothy Scott Shaffer Humidity control system for use with a warming appliance and method for assembling the same
EP2662634A1 (fr) 2012-05-11 2013-11-13 Miele & Cie. KG Appareil ménager
WO2015102853A1 (fr) * 2013-12-30 2015-07-09 Shumate Eldridge J Système de filtration d'huile de cuisson portable
US20160029869A1 (en) * 2015-08-06 2016-02-04 David R. McKinney Dishwasher with vacuum drying and method
EP3106757A1 (fr) * 2015-06-19 2016-12-21 Whirlpool Corporation Four de cuisson avec systeme d'alimentation en eau

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3884265A (en) * 1970-06-24 1975-05-20 Arbrook Inc Decontamination apparatus
WO2010059397A1 (fr) * 2008-10-30 2010-05-27 Porous Media Corporation Système de puits de trempage
US20120199110A1 (en) * 2011-02-07 2012-08-09 Timothy Scott Shaffer Humidity control system for use with a warming appliance and method for assembling the same
EP2662634A1 (fr) 2012-05-11 2013-11-13 Miele & Cie. KG Appareil ménager
WO2015102853A1 (fr) * 2013-12-30 2015-07-09 Shumate Eldridge J Système de filtration d'huile de cuisson portable
EP3106757A1 (fr) * 2015-06-19 2016-12-21 Whirlpool Corporation Four de cuisson avec systeme d'alimentation en eau
US20160029869A1 (en) * 2015-08-06 2016-02-04 David R. McKinney Dishwasher with vacuum drying and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4295733A1 (fr) * 2022-06-23 2023-12-27 Miele & Cie. KG Appareil de transport de liquide pour préparer des aliments et/ou des boissons ou pour nettoyer un produit à nettoyer ainsi que pompe pour un appareil de transport de liquide
BE1030659B1 (de) * 2022-06-23 2024-01-29 Miele & Cie Flüssigkeitsführendes Gerät zum Zubereiten von Speisen und/oder Getränken oder zum Reinigen eines zu reinigenden Gutes sowie Pumpe für ein flüssigkeitsführendes Gerät

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