EP3683504B1 - Ofen mit system zum dispergieren von chemischen mitteln - Google Patents

Ofen mit system zum dispergieren von chemischen mitteln Download PDF

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Publication number
EP3683504B1
EP3683504B1 EP19382028.9A EP19382028A EP3683504B1 EP 3683504 B1 EP3683504 B1 EP 3683504B1 EP 19382028 A EP19382028 A EP 19382028A EP 3683504 B1 EP3683504 B1 EP 3683504B1
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EP
European Patent Office
Prior art keywords
oven
water
chemical agent
area
fan
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.)
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Application number
EP19382028.9A
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English (en)
French (fr)
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EP3683504A1 (de
Inventor
Albert TORNÉ PICAPAL
Josep SANTALLUSIA CASTELLS
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.)
Immobles del Segria SL
Original Assignee
Immobles del Segria SL
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Publication date
Application filed by Immobles del Segria SL filed Critical Immobles del Segria SL
Priority to ES19382028T priority Critical patent/ES2935356T3/es
Priority to EP19382028.9A priority patent/EP3683504B1/de
Publication of EP3683504A1 publication Critical patent/EP3683504A1/de
Application granted granted Critical
Publication of EP3683504B1 publication Critical patent/EP3683504B1/de
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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 present invention relates to an oven comprising a system for dispersing chemical agents in ovens, in particular professional ovens for fine cuisine and hotels, using a chemical agent in a solid format without recirculation in the oven.
  • the self-cleaning system without recirculation is generally made up of one or more sprinklers of chemical agents in the upper portion of the cooking chamber.
  • the chemical agent sprayed is usually liquid, and it is carried to the area of the sprinkler by means of a pump.
  • the sprinkler sprays the entire cooking chamber, usually in a rotating manner. During this process, a convection fan is turned off in order to prevent the flow of the chemical agent from being deviated by the air flow.
  • the chemical agent is left to rest for a certain period of time under ideal temperature and moisture conditions in order for the desired effect to be produced.
  • the rinsing will be performed by means of a solenoid valve which injects tap water into the sprinkler or other sprinklers/sprayers distributed in the cooking chamber.
  • a reduced version of this cleaning system must be made up of, at least, the following electromechanical elements:
  • the self-cleaning system with recirculation it is usually made up of one or several outlet points of the liquid recirculated in the upper portion of the cooking chamber.
  • solid chemical agent is used, in tablet or powder form, which is deposited in the cooking chamber for the dissolving thereof.
  • liquid chemical agent can also be used. In that case, the liquid chemical agent is carried to the inside of the oven with an additional pump.
  • a solenoid valve is responsible for filling a collector, and once the chemical agent has been diluted with this water, a pump is responsible for carrying the mixture to the recirculation outlet, which is dispersed by mechanical elements, and distributed throughout all the area for cooking and for generating heat by means of the very convection fan of the oven.
  • This process of recirculating the mixture continues for a certain period of time under ideal temperature and moisture conditions for the desired effect to be produced.
  • a convection fan is generally operating in order to spread it throughout the cooking chamber and the heat-generating area.
  • the emptying of the collector is performed, and it is once again filled with tap water through a solenoid valve. Once this is done, the water is recirculated in order to rinse the oven. It is probable that the emptying and rinsing process must be repeated several times in order to ensure optimal rinsing.
  • a reduced version of this cleaning system must be made up, at least, of the following electromechanical elements:
  • a self-cleaning cooking apparatus can include a cooking chamber having a plurality of surfaces a food preparation assembly configured to prepare food product within the cooking chamber, a water nozzle positioned to direct water into cooking chamber, a holder configured to hold a detergent packet in a position configured to allow the water to dissolve the detergent from the detergent packet.
  • EP0801271A1 discloses an oven having a blower and a spray nozzle is arranged in a suction area or in a pressure area of the blower.
  • the spray nozzle is fitted in the ceiling of the oven chamber and via a bayonet-type closure coupling is couplable to a static connection.
  • EP1147731A1 discloses a fermenter for foodstuffs having a heated fermentation chamber which contains a partition wall.
  • a ventilator fan is mounted between one wall of the chamber and the partition, in front of an aperture in it.
  • an objective of the present invention is to provide a dispersion system for ovens that is cheaper than the current dispersion systems.
  • the oven of the invention resolves the aforementioned drawbacks and has other advantages which are described below.
  • said tube for injecting water is actuated by means of a solenoid valve for the dissolving of the water with the chemical agent and for the rinsing of the mixture of water and chemical agent.
  • a solenoid valve for the dissolving of the water with the chemical agent and for the rinsing of the mixture of water and chemical agent.
  • said fan is a convection fan, particularly, the convection fan of the very oven.
  • said chemical agent is placed in at least one vessel, forming a collector wherein the water is accumulated in order to be mixed with the chemical agent.
  • said at least one vessel comprises upper holes for the inlet of water and an overflow hole connected to a duct, which leads the mixture of water and chemical agent from at least one vessel to the fan, dispersing the mixture in the heat-generating area and the cooking area of the oven. It also comprises a border which prevents the movement of the chemical agent.
  • the tube for injecting water preferably comprises a deflector for diverting the water in order to reach all the heat-generating and cooking area of the oven, and it also comprises an outlet hole located between the heat-generating area and the cooking area of the oven.
  • the cooking area of the oven comprises an opening located in the upper portion thereof which receives the air flow generated by said fan.
  • the present invention describes a system for dispersing chemical agents in a solid format without recirculation in an oven.
  • chemical agents can have different purposes, such as the cleaning of the oven, decalcification, polishing, anti-rust treatments, etc.
  • the chemical agent 1, preferably in tablet form, is positioned inside the oven, in one or several vessels 2, such that the tablet 1 fits therein.
  • This vessel 2 has a border 3 which prevents the tablet 1 from coming out due to vibrations or turbulence in the air.
  • This border 3 furthermore, acts to accumulate water in the bottom of the vessel 2.
  • a tube 4 for injecting water is arranged, connected to a solenoid valve 5, which will be activated in a pulsed manner when the tablet 1 needs to be dissolved.
  • the activation of the solenoid valve 5 is performed periodically during a time W L every T seconds.
  • this vessel 2 is closed, such that it acts as a collector 6.
  • the solenoid valve When the solenoid valve is activated, the water comes out of the tube 4 and a portion thereof falls onto the tablet 1 through upper holes 7 of the vessel 2.
  • the water dilutes the tablet 1 in a controlled manner, the dilution staying in the collector 6 of the bottom of the vessel 2.
  • the excess liquid with the mixture of water and chemical agent that is in the collector 6 overflows from a hole 8 which is carried through a duct 9 to a convection fan 10.
  • the convection fan 10 when it rotates in both directions of rotation, disperses the mixture of water and chemical agent throughout all the heat-generating area 11 and the cooking area 12 of the oven.
  • the chemical agent is left to rest for a certain period of time under ideal temperature and moisture conditions in order for the desired effect to be produced on the heat-generating area 11 and the cooking area 12 of the oven.
  • the rinsing is performed by activating the solenoid valve 5, which injects tap water to the upper area of the oven through the tube 4.
  • the outlet hole 13 of this tube 4 is in the border between the heat-generating area 11 and the cooking area 12.
  • the activation of the solenoid valve is performed periodically during a time W A every T seconds, being W A ⁇ W L and W A ⁇ T.
  • W A ⁇ W L and W A ⁇ T the solenoid valve is activated, the jet of water is directed at a deflector 14 strategically placed so the water can reach all the heat-generating 11 and cooking 12 area of the oven.
  • the air generated by the convection fan 10 is directed to the upper portion of the cooking area 12 through an opening 15 close to the outlet hole 13 for water and the deflector 14. This air flow helps the water to be distributed throughout all the heat-generating 11 and cooking 12 area of the oven, performing the rinsing in an effective manner.

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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)
  • Cleaning By Liquid Or Steam (AREA)
  • Colloid Chemistry (AREA)

Claims (7)

  1. Ofen mit einem System zum Dispergieren chemischer Mittel, das Folgendes umfasst:
    ein Rohr (4) zum Einspritzen von Wasser, so dass das Wasser mit dem chemischen Mittel (1) gelöst wird;
    ein Gebläse (10) zum Verteilen der Mischung aus Wasser und chemischem Mittel (1) in einem wärmeerzeugenden Bereich (11) und einem Kochbereich (12) des Ofens; und
    wobei das Rohr (4) zum Einspritzen von Wasser und das Gebläse (10) Mittel zum Spülen der Mischung aus Wasser und chemischem Mittel (1) sind;
    wobei das chemische Mittel (1) in mindestens einem Gefäß (2) angeordnet ist, das einen Sammler (6) bildet,
    dadurch gekennzeichnet, dass das mindestens eine Gefäß (2) obere Löcher (7) für das Einlassen von Wasser und ein Überlaufloch (8) umfasst, das mit einer Leitung (9) verbunden ist, die das Gemisch aus Wasser und chemischem Mittel (1) von dem mindestens einen Gefäß (2) zu dem Gebläse (10) führt, wobei das Gemisch in dem wärmeerzeugenden Bereich (11) und dem Kochbereich (12) des Ofens verteilt wird.
  2. Ofen nach Anspruch 1, wobei das Rohr (4) zum Einspritzen von Wasser mittels eines Magnetventils (5) zum Lösen des Wassers mit dem chemischen Mittel (1) und zum Spülen der Mischung aus Wasser und chemischem Mittel (1) betätigt wird.
  3. Ofen nach Anspruch 1, wobei der Gebläse (10) ein Konvektionsgebläse ist.
  4. Ofen nach Anspruch 1, wobei das Rohr (4) zum Einspritzen von Wasser eine Ablenkvorrichtung (14) aufweist, um das Wasser derart umzuleiten, dass es den gesamten wärmeerzeugenden (11) und kochenden (12) Bereich des Ofens erreicht.
  5. Ofen nach Anspruch 1, wobei das Rohr (4) zum Einspritzen von Wasser eine Auslassöffnung (13) umfasst, die sich zwischen dem wärmeerzeugenden Bereich (11) und dem Kochbereich (12) des Ofens befindet.
  6. Ofen nach Anspruch 1, wobei der Kochbereich (12) des Ofens eine Öffnung (15) umfasst, die sich in seinem oberen Abschnitt befindet und den von dem Gebläse (10) erzeugten Luftstrom aufnimmt.
  7. Verfahren nach Anspruch 1, wobei das mindestens eine Gefäß (2) einen Rand (3) aufweist.
EP19382028.9A 2019-01-17 2019-01-17 Ofen mit system zum dispergieren von chemischen mitteln Active EP3683504B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES19382028T ES2935356T3 (es) 2019-01-17 2019-01-17 Horno que comprende sistema de dispersión de agentes químicos
EP19382028.9A EP3683504B1 (de) 2019-01-17 2019-01-17 Ofen mit system zum dispergieren von chemischen mitteln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19382028.9A EP3683504B1 (de) 2019-01-17 2019-01-17 Ofen mit system zum dispergieren von chemischen mitteln

Publications (2)

Publication Number Publication Date
EP3683504A1 EP3683504A1 (de) 2020-07-22
EP3683504B1 true EP3683504B1 (de) 2022-12-07

Family

ID=65686789

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19382028.9A Active EP3683504B1 (de) 2019-01-17 2019-01-17 Ofen mit system zum dispergieren von chemischen mitteln

Country Status (2)

Country Link
EP (1) EP3683504B1 (de)
ES (1) ES2935356T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3702678B1 (de) * 2019-02-26 2022-12-21 Electrolux Professional S.p.A. Backofen mit einem automatischen oder halbautomatischen reinigungssystem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19614439A1 (de) * 1996-04-12 1997-10-16 Wiesheu Wiwa Gmbh Ofen und Verfahren zur Reinigung eines Ofenraums
ATE208584T1 (de) * 2000-03-16 2001-11-15 Eloma Gmbh Grosskuechentechnik Gargerät mit reinigungseinrichtung
US20080223357A1 (en) * 2007-03-08 2008-09-18 Janus Bartelick Self-cleaning cooking appliance

Also Published As

Publication number Publication date
ES2935356T3 (es) 2023-03-06
EP3683504A1 (de) 2020-07-22

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