EP3686497B1 - Appareil de cuisson industriel - Google Patents

Appareil de cuisson industriel Download PDF

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Publication number
EP3686497B1
EP3686497B1 EP20159251.6A EP20159251A EP3686497B1 EP 3686497 B1 EP3686497 B1 EP 3686497B1 EP 20159251 A EP20159251 A EP 20159251A EP 3686497 B1 EP3686497 B1 EP 3686497B1
Authority
EP
European Patent Office
Prior art keywords
cooking chamber
fresh air
cooking
rear wall
inlet opening
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
EP20159251.6A
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German (de)
English (en)
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EP3686497A1 (fr
Inventor
Stan Smits
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.)
MATIKA Srl
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MATIKA Srl
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Publication date
Application filed by MATIKA Srl filed Critical MATIKA Srl
Publication of EP3686497A1 publication Critical patent/EP3686497A1/fr
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Publication of EP3686497B1 publication Critical patent/EP3686497B1/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
    • F24C15/00—Details
    • F24C15/32—Arrangements of ducts for hot gases, e.g. in or around baking ovens
    • F24C15/322—Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation

Definitions

  • the invention relates to a commercial cooking appliance according to the preamble of claim 1.
  • Such a cooking appliance has a housing in which a cooking chamber is arranged, which is made accessible via an openable and closable cooking chamber door.
  • the cooking chamber or the housing has a cooking chamber rear wall, in the vicinity of which a fan wheel is arranged in the cooking chamber or in a fan wheel area of the cooking chamber.
  • the fan wheel of the generic cooking appliance has main blades facing the cooking space, which serve to generate a cooking space air flow, which can be a dry or a moist air flow and is used to cook cooking products arranged in the cooking space.
  • the fan wheel also has auxiliary blades which face the rear wall of the cooking space and cooperate with a fresh air inlet opening, which can supply fresh air to the cooking space via a fresh air inlet duct in order, for example, to dehumidify it or to influence the cooking space climate.
  • the fresh air inlet opening is not arranged in an area of the rear wall of the cooking space that offers optimal negative pressure conditions, so that the object of the present invention is to create a cooking appliance of the type specified in the preamble of claim 1, which makes an improved supply of fresh air into the cooking space possible.
  • the concept according to the invention is based on the knowledge that by providing an acceleration device, the cooking chamber flow generated by the fan wheel can be accelerated, which in other words means that the arrangement of the acceleration device makes it possible to lower the static pressure, which in turn means that the suction of fresh air is improved by this reduced static pressure.
  • acceleration means both a positive and a negative acceleration, i.e. a slowing down, of the cooking space flow.
  • the acceleration device can be arranged at any suitable location in the cooking chamber and/or the fan wheel, since any acceleration of the cooking chamber flow results in a reduction in the static pressure and thus an improvement in the intake of fresh air.
  • the acceleration device it is possible for the acceleration device to be arranged in an area of the fresh air inlet opening in such a way that the explained increase in negative pressure is made possible by accelerating the cooking space flow.
  • the fresh air inlet opening in the cooking appliance according to the invention which includes the characterizing features of claim 1 in addition to the previously explained features corresponding to the preamble of claim 1, is not in the optimal suction area, which is usually at least approximately in the middle the longitudinal axis of the fan wheel is located.
  • the measures according to the invention eliminate these disadvantages, so that influencing the cooking space climate by supplying fresh air is optimized in the manner explained above, which has a positive effect on dehumidification of the cooking space, for example.
  • a method and a cooking device for improving the supply of fresh air are known, in which a flow guide member is provided opposite an opening into the cooking chamber housing, but care must be taken to ensure that the fresh air supplied is not accelerated in a first intermediate space, for which it is necessary maintain a minimum distance between the rear wall and the flow guide.
  • this flow guide element neither slows down nor accelerates the fresh air flowing in through the mouth, but rather, due to the distance to be maintained from the rear wall, simply introduces the inflowing fresh air without any acceleration into a second space in which the sucked in fresh air is set in rotation so that a sets the desired volume flow.
  • From the DE 10315341 A1 is a commercial cooking appliance, with the blades 24 of the impeller 20 being provided with a separating element 25 to prevent the fat or oil droplets from hitting the heating elements.
  • From the EP 1306623 A2 is a commercial cooking appliance, and in the engine compartment there is an additional delivery unit to generate a gas pressure that seals the engine compartment against vapors.
  • the acceleration device can be attached to an assembly point of the cooking chamber or housing adjacent to the fresh air inlet openings or directly to the fan wheel.
  • this includes Acceleration device two air baffles, which are mounted in the housing or in the cooking chamber and, in the assembled state, interact in such a way that an acceleration of the cooking chamber air flow, in particular the flow area that runs over the main blades, is made possible.
  • two such air baffles are provided, they can be arranged relative to one another in such a way that a nozzle is created through which the cooking chamber flow is directed and through which this flow is accelerated due to the narrowing nozzle.
  • two such air baffles are arranged in such a way that they are provided at an angle to the rear wall of the cooking space and delimit the fresh air inlet opening, which in other words means that the fresh air inlet opening is offset from its entry in the rear wall of the cooking space into the area of the angled air baffles and thus accelerated Cooking chamber flow flows directly past the fresh air inlet opening, which significantly improves the negative pressure conditions and thus the suction effect of fresh air.
  • Cooking appliance 1 shown is preferably a commercial cooking appliance.
  • This cooking appliance 1 has a housing 2, in the interior of which a cooking chamber 3 is arranged, which is accessible or can be closed with the aid of an openable and closable cooking chamber door 13.
  • a fan wheel 5 is arranged adjacent to a cooking chamber rear wall 4, which can be set in rotation, for example via a suitable electric motor, and can generate a cooking chamber flow GRS via its main blades 7 facing the cooking chamber 3, which can do this serves to cook cooking products arranged in the cooking space 3, for example using hot air or steam.
  • the fan wheel 5 has 7 auxiliary blades, of which in Fig. 1 Representatively two auxiliary blades 8A and 8B are shown, which point towards the rear wall of the cooking space 4 and are therefore arranged adjacent to a fresh air inlet opening 9 which is arranged in the rear wall of the cooking space 4.
  • the fresh air inlet opening 9 is arranged in particular in a wall area 10 of the cooking chamber rear wall 4, which the auxiliary blades 8A and 8B sweep past when the fan wheel 5 rotates.
  • Fig. 1 further illustrates a negative pressure Pa, symbolized by a point, which serves to supply fresh air FL through a fresh air supply line 14 to the fresh air inlet opening 9, from where this fresh air FL can be introduced into the cooking space 3 with the help of the auxiliary blades 8A and 8B.
  • a negative pressure Pa symbolized by a point, which serves to supply fresh air FL through a fresh air supply line 14 to the fresh air inlet opening 9, from where this fresh air FL can be introduced into the cooking space 3 with the help of the auxiliary blades 8A and 8B.
  • Fig. 1 further illustrates an acceleration device 11, alternatively or additionally 11 ', which, as explained at the beginning, is only shown as a block in this drawing in order to clarify its arrangement in an area which lies between the rear wall of the cooking space 4 and a dashed line 16 and in Fig. 1 is identified by reference number 15.
  • This area 15 represents the area in which an increase in the negative pressure PU is possible by accelerating the cooking chamber flow GRS with the aid of the acceleration device 11, the size of this area 15 depending on the type of cooking appliance, the drive power of the fan wheel 5 and the design of the fan wheel 5 and the arrangement of the fresh air inlet opening 9 depends and can be adjusted accordingly.
  • the air baffle 11A is arranged on a wall region 10 'of the rear wall of the housing 4, which is offset away from the cooking chamber 3 in the direction of the supply line 14.
  • the air baffle 11B is arranged on the wall area 10.
  • Both air baffles 11A and 11B each assume an angle ⁇ to their assigned wall areas 10 and 10 ', which means that the fresh air inlet opening 9 lies between the air baffles 11A and 11B or is limited by them, so that the cooking space flow GRS is directly at the Fresh air inlet opening 9 can be passed, which results in the desired acceleration and thus an increase in negative pressure.
  • auxiliary blade or several auxiliary blades 8A' are provided, which have a flow edge 8A", which are arranged at least essentially parallel to the angled air guide surfaces 11A and 11B, as can be seen in detail from the illustration in Fig. 3 results.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Baking, Grill, Roasting (AREA)

Claims (3)

  1. Appareil de cuisson industriel (1)
    - comprenant un boitier (2)
    • dans lequel une enceinte de cuisson (3) est disposée, et
    • qui présente une paroi arrière d'enceinte de cuisson (4),
    - comprenant un ventilateur (5)
    • qui est agencé dans une zone (6) proche de la paroi arrière d'enceinte de cuisson (4) du boitier (2), et
    • qui présente des pales principales (7) orientées vers l'enceinte de cuisson (3) pour produire un courant d'enceinte de cuisson (GRS),
    - avec une ouverture d'accès d'air frais (9), qui est agencée dans la paroi arrière d'enceinte de cuisson (4),
    - une conduite d'amenée d'air frais (14), pour amener l'air frais (FL) à l'ouverture d'accès d'air frais (9),
    - avec un dispositif d'accélération (11) pour le courant d'enceinte de cuisson (GRS), le dispositif d'accélération (11) étant fixé dans l'enceinte de cuisson (3),
    caractérisé en ce que :
    le dispositif d'accélération (11) présente deux déflecteurs (11A, 11B), qui sont disposés avec un angle (α) par rapport à la paroi arrière d'enceinte de cuisson (4) et délimitent l'ouverture d'accès d'air frais (9),
    un premier déflecteur (11A) est disposé dans une première zone de paroi (10') de la paroi arrière d'enceinte de cuisson (4), qui est décalée par rapport à l'enceinte de cuisson (3) en direction de la conduite d'amenée d'air frais (14),
    un deuxième déflecteur (11B) est disposé dans une deuxième zone de paroi (10) de la paroi arrière d'enceinte de cuisson (4),
    les deux déflecteurs (11A, 11B) ont chacun l'angle (α) par rapport à leur zone de paroi (10', 10) respective,
    de sorte que le courant d'enceinte de cuisson (GRS) puisse être envoyé directement sur l'ouverture d'accès d'air frais (9).
  2. Appareil selon la revendication 1, caractérisé en ce que le dispositif d'accélération (11) est disposé à proximité de l'ouverture d'accès d'air frais (9).
  3. Appareil de cuisson industriel selon la revendication 1 ou 2, caractérisé en ce que l'ouverture d'accès d'air frais (9) est disposée au-dessus du bord supérieur du ventilateur (5) dans une zone de paroi (10) de la paroi arrière d'enceinte de cuisson (4).
EP20159251.6A 2016-07-04 2017-07-03 Appareil de cuisson industriel Active EP3686497B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016212162.6A DE102016212162A1 (de) 2016-07-04 2016-07-04 Gewerbliches Gargerät
PCT/EP2017/066501 WO2018007318A1 (fr) 2016-07-04 2017-07-03 Appareil de cuisson industriel
EP17734736.6A EP3479028A1 (fr) 2016-07-04 2017-07-03 Appareil de cuisson industriel

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP17734736.6A Division EP3479028A1 (fr) 2016-07-04 2017-07-03 Appareil de cuisson industriel

Publications (2)

Publication Number Publication Date
EP3686497A1 EP3686497A1 (fr) 2020-07-29
EP3686497B1 true EP3686497B1 (fr) 2023-11-01

Family

ID=59270038

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20159251.6A Active EP3686497B1 (fr) 2016-07-04 2017-07-03 Appareil de cuisson industriel
EP17734736.6A Pending EP3479028A1 (fr) 2016-07-04 2017-07-03 Appareil de cuisson industriel

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP17734736.6A Pending EP3479028A1 (fr) 2016-07-04 2017-07-03 Appareil de cuisson industriel

Country Status (3)

Country Link
EP (2) EP3686497B1 (fr)
DE (1) DE102016212162A1 (fr)
WO (1) WO2018007318A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11913699B2 (en) 2020-01-18 2024-02-27 True Manufacturing Co., Inc. Ice maker
US11656017B2 (en) 2020-01-18 2023-05-23 True Manufacturing Co., Inc. Ice maker
US11578905B2 (en) 2020-01-18 2023-02-14 True Manufacturing Co., Inc. Ice maker, ice dispensing assembly, and method of deploying ice maker
US11255589B2 (en) 2020-01-18 2022-02-22 True Manufacturing Co., Inc. Ice maker
US11802727B2 (en) 2020-01-18 2023-10-31 True Manufacturing Co., Inc. Ice maker
US11602059B2 (en) 2020-01-18 2023-03-07 True Manufacturing Co., Inc. Refrigeration appliance with detachable electronics module
US11391500B2 (en) 2020-01-18 2022-07-19 True Manufacturing Co., Inc. Ice maker
US11519652B2 (en) 2020-03-18 2022-12-06 True Manufacturing Co., Inc. Ice maker
US11674731B2 (en) 2021-01-13 2023-06-13 True Manufacturing Co., Inc. Ice maker
US11686519B2 (en) 2021-07-19 2023-06-27 True Manufacturing Co., Inc. Ice maker with pulsed fill routine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10315341B4 (de) * 2003-04-03 2005-04-14 Mkn Maschinenfabrik Kurt Neubauer Gmbh & Co. Gargerät mit einem Gebläse mit Radialgebläserad und Abscheideelement
DE10351476B4 (de) * 2003-11-04 2008-09-25 Rational Ag Gargerät zur verbesserten Frischluftzufuhr
DE102008053144B4 (de) * 2008-10-24 2011-02-24 Rational Ag Gargerät mit Lüfteranordnung
EP1306623B2 (fr) * 2001-10-25 2013-03-13 BSH Bosch und Siemens Hausgeräte GmbH Cuisinière avec un dispositif de ventilation

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FR1058690A (fr) * 1951-07-21 1954-03-18 Babcock & Wilcox France Roue pour machine soufflante radiale
JPS58136921A (ja) * 1982-02-08 1983-08-15 Matsushita Electric Ind Co Ltd 加熱調理器
JPH08247473A (ja) * 1995-03-10 1996-09-27 Toshiba Corp 加熱調理器
DE19734802C1 (de) * 1997-08-12 1999-07-01 Maurer Ag Lüfterrad einer zum Räuchern oder Erhitzen von Nahrungsmitteln vorgesehenen Behandlungskammer
DE10239246C1 (de) * 2002-08-22 2003-08-21 Rational Ag Lüfterrad mit integrierter Fettabscheidung, insbesondere für ein Gargerät
FR2871556B1 (fr) * 2004-06-14 2006-07-28 Seb Sa Dispositif de chauffage d'un four a circulation d'air
DE202004015292U1 (de) * 2004-10-01 2006-02-09 Wss Gmbh Vorrichtung zum Ansaugen von Frischluft in einem Dampf- und/oder Dampfheißluft- und/oder Heißluft- und/oder Mikrowellengerät
KR101185557B1 (ko) * 2007-10-09 2012-09-24 삼성전자주식회사 조리기기 및 그 제어방법
EP2339243A1 (fr) * 2009-12-22 2011-06-29 Convotherm Elektrogeräte GmbH Appareil de cuisson industriel, en particulier four de cuisson à la vapeur
CN102713443B (zh) * 2010-01-18 2014-10-15 松下电器产业株式会社 加热装置
KR101278621B1 (ko) * 2011-12-13 2013-07-05 이노엔 주식회사 조리기기용 열교환기
DE102014110463A1 (de) * 2014-07-24 2016-01-28 Rational Aktiengesellschaft Gargerät

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1306623B2 (fr) * 2001-10-25 2013-03-13 BSH Bosch und Siemens Hausgeräte GmbH Cuisinière avec un dispositif de ventilation
DE10315341B4 (de) * 2003-04-03 2005-04-14 Mkn Maschinenfabrik Kurt Neubauer Gmbh & Co. Gargerät mit einem Gebläse mit Radialgebläserad und Abscheideelement
DE10351476B4 (de) * 2003-11-04 2008-09-25 Rational Ag Gargerät zur verbesserten Frischluftzufuhr
DE102008053144B4 (de) * 2008-10-24 2011-02-24 Rational Ag Gargerät mit Lüfteranordnung

Also Published As

Publication number Publication date
EP3479028A1 (fr) 2019-05-08
EP3686497A1 (fr) 2020-07-29
WO2018007318A1 (fr) 2018-01-11
DE102016212162A1 (de) 2018-01-04

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