WO2021001559A1 - Four de cuisson comprenant une cavité de four et un canal de refroidissement - Google Patents

Four de cuisson comprenant une cavité de four et un canal de refroidissement Download PDF

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Publication number
WO2021001559A1
WO2021001559A1 PCT/EP2020/068897 EP2020068897W WO2021001559A1 WO 2021001559 A1 WO2021001559 A1 WO 2021001559A1 EP 2020068897 W EP2020068897 W EP 2020068897W WO 2021001559 A1 WO2021001559 A1 WO 2021001559A1
Authority
WO
WIPO (PCT)
Prior art keywords
cavity
oven
cooling channel
cooking oven
channel
Prior art date
Application number
PCT/EP2020/068897
Other languages
English (en)
Inventor
Francesco Lampitelli
Alessandro PARRELLA
Vincenzo COLOZZO
Daniele FLORIO
Original Assignee
Electrolux Appliances Aktiebolag
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 Electrolux Appliances Aktiebolag filed Critical Electrolux Appliances Aktiebolag
Priority to AU2020299831A priority Critical patent/AU2020299831A1/en
Priority to EP20735200.6A priority patent/EP3994395A1/fr
Priority to BR112021023236A priority patent/BR112021023236A2/pt
Publication of WO2021001559A1 publication Critical patent/WO2021001559A1/fr

Links

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
    • F24C15/006—Arrangements for circulation of cooling air
    • 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
    • F24C15/20—Removing cooking fumes
    • F24C15/2007—Removing cooking fumes from oven cavities

Definitions

  • the present invention relates to a cooking oven with an oven cavity and a cooling channel.
  • a cooking oven food is prepared within an oven cavity.
  • the food is inserted into and removed from the oven cavity through a front opening.
  • Said front opening is closable by an oven door.
  • the oven door includes a glass window cooled down by a cooling system.
  • Said cooling system sucks air from the interior of the oven door.
  • the cooling system is formed by cooling ducts sur rounding the oven cavity.
  • a cooling fan on the top of the oven cavity circulates air within the cooling ducts.
  • a system for removing steam and vapour from the oven cavity is provided.
  • the oven cavity has an aperture connected to the cooling system. Steam and vapour are sucked through said aperture by the cooling fan.
  • the aper ture is connected to the cooling system via a guiding channel.
  • the guiding channel and the aperture form a passage for the steam and vapour sucked by the cooling fan.
  • a sealing element is required between the guiding channel and the aperture.
  • the cooling channel is preassembled in a subsidiary station, while the oven cavity and the cooling channel are fixed to the housing in the main production line. This requires the sealing element at the correct position of the guiding channel and the aperture. It is an object of the present invention to provide a cooking oven, which allows an improved sealing between the oven cavity and the cooling channel by low complexity.
  • the object is achieved by the cooking oven according to claim 1.
  • a cooking oven with an oven cavity and a cooling channel is provided, wherein:
  • the oven cavity includes at least one cavity opening
  • the cooling channel includes a main cooling channel and at least one guiding channel
  • the cavity opening is connected to the guiding channel, the cavity opening is surrounded by a first structure, - the guiding channel is surrounded by a second structure, and the first structure and the second structure are formed com plementary to each other.
  • the complementary first structure and second structure provide a mechanical sealing between the cavity opening and the guiding channel.
  • This mechanical sealing might be provided for example by fitting surfaces, a tongue and groove joint or another form fit of the first structure with the second structure. Any fur ther sealing elements are not required for avoiding leakage.
  • first and second structure enclose a second cavity, formed above the oven cavity, wherein the cavity opening connects the cavity with the second cavity and the at least one guiding channel connects the second cavity with the main cooling channel.
  • a filtration element or catalyst element may be placed into the second cavity.
  • the cavity opening is preferably formed in the top wall of the oven cavity. There might be one or several cavity openings sur rounded by the first structure.
  • the first structure might be formed into the cavity wall as single piece. In an alternative embodiment the first structure might be provided as shaped part connected or connectable to the oven cavity.
  • the cooling channel is arranged above the oven cav ity.
  • the cooling channel is provided with walls, in particular with a bottom wall being separated from a top wall of the oven cavity.
  • a further part of a cooling system might be located for example a duct for sucking cold air from an outside to be inserted into the cooling channel .
  • the second structure might be provided as single piece with one of the cooling channel walls, in particular with a bottom wall of the cooling channel.
  • the second structure might be provided as shaped part connected or connect able to the cooling channel. There might be one or several guid- ing channels surrounded by the second structure.
  • the oven cavity may be fixed at a housing of the cook ing oven.
  • the cooling channel may be fixed at the hous ing of the cooking oven.
  • the oven cavity is fixed at side walls of the cook- ing oven by screws.
  • the cooling channel may be fixed at the side walls of the cooking oven by screws.
  • the first structure is formed rotation-symmetri- cally in view of the cavity opening.
  • the cavity opening might be arranged in the centre of the first structure or off axis.
  • the second structure is formed rotation-sym- metrically in view of the guiding channel.
  • the guiding channel might be arranged in the centre of the first structure or off axis .
  • the first structure is embossed around the cavity opening.
  • the second structure may be embossed around the guid ing channel.
  • the oven cavity and the cooling channel are indirectly connected to each other.
  • the oven cavity is made of carbon steel. Further, the oven cavity may be made of stainless steel.
  • the cooling channel is made of carbon steel.
  • the cooling channel may be made of stainless steel.
  • the oven is provided with a cooling fan.
  • the cooling fan is located such that it enhances circulation through the cool ing channel, in particular steam and vapour are sucked by the cooling fan from the oven cavity trough the cavity opening and the guiding channel.
  • the cooling fan may be driven by a motor located above a top wall of the cooling channel, wherein the cooling fan blades may be arranged inside the cooling channel or in a chamber in fluid connection with the cooling channel.
  • the cooling fan may suck cold air from an outside through a connected cooling system, in particular through the duct, to mix cold air with steam and vapour sucked from the oven cavity and promote exhaustion of the mixture to an outside.
  • the cooling fan may be located in axis with the cavity opening and/or guiding channel and/or the first and second structure.
  • an axis of the cooling fan might be in line with the cavity opening and the guiding channel and/or with the centers of the first and second structure.
  • the cooling fan might be located in a distance D from a center of the second structure.
  • the cooling fan might be located in a distance D from the second structure towards an opening of the cooling channel to an outside.
  • FIG 1 illustrates a schematic partial exploded sectional side view of a cooking oven according to an embodiment of the present invention
  • FIG 2 illustrates a more detailed schematic partial exploded sectional side view of the cooking oven according to the embodiment of the present invention according to FIG 1
  • FIG 3a, b illustrates a schematic perspective view of guiding channels in a bottom wall of a cooling channel for the cooking oven according to an embodiment of the present invention
  • FIG 4a, b illustrates a schematic perspective view of cavity
  • FIG 5a-c illustrates a schematic partial side view of the cook ing oven according to embodiments of the present inven tion
  • FIG 6a-c illustrates a schematic partial side view of the cook ing oven according to embodiments of the present inven tion
  • FIG 7 illustrates a schematic partial perspective view of the cooking oven according to an embodiment of the present invention .
  • FIG 1 illustrates a schematic partial exploded sectional side view of a cooking oven 10 according to an embodiment of the pre- sent invention.
  • the cooking oven 10 comprises an oven cavity 12 and a cooling channel 14.
  • a front opening of the oven cavity 12 is closable by an oven door 11.
  • the cooling channel 14 is arranged above the oven cavity 12.
  • the cooling channel 14 comprises a main cooling channel 15 and a guiding channel 18.
  • a cavity opening 16 is formed in a top wall of the oven cavity 12.
  • the guiding channel 18 is formed in a bottom wall of the cooling channel 14.
  • a first structure 22 is formed around the cavity opening 16.
  • a second structure 24 is formed around the guiding channel 18.
  • the first structure 22 and the second structure 24 are formed com plementary to each other.
  • the first structure 22 and the second structure 24 provide a mechanical sealing between the cavity opening 16 and the guiding channel 18.
  • FIG 2 illustrates a more detailed schematic partial exploded sectional side view of the cooking oven 10 according to the em bodiment of the present invention.
  • the guiding channel 18 of the cooling channel 14 is arranged above the cavity opening 16 of the oven cavity 12.
  • the first structure 22 around the cavity opening 16 and the second struc ture 24 around the guiding channel 18 are formed complementary to each other.
  • a protrusion 28 of the second structure 24 is inserted into a groove 26 of the first structure 22.
  • FIG 3a illustrates a schematic perspective view of the guiding channel 18 formed in the bottom wall 14a of the cooling channel 14 for the cooking oven 10 according to the embodiment of the present invention.
  • the second structure 24 is formed around the guiding channel 18. Said second structure 24 is formed complementary to the first structure 22 formed around the cavity opening 16. The second structure 24 is formed rotation-symmetrically in view of the guiding channel 18.
  • the cooling channel 14 is made of carbon steel. Fur ther, the cooling channel 14 may be made of stainless steel.
  • Fig. 3b shows an alternative embodiment.
  • the guiding channels are ar ranged non-central to the second structure 24.
  • the two guiding channels 18 may be arranged on an inclined surface of the second structure 24 on the same side. Another number of guiding channels is possible.
  • FIG 4a illustrates a schematic perspective view of the cavity opening 16 in the top wall 12a of an oven cavity 12 for the cooking oven 10 according to the embodiment of the present in vention .
  • the first structure 22 is formed around the cavity opening 16. Said first structure 22 is formed complementary to the second structure 24 formed around the guiding channel 18. The first structure 22 is formed rotation-symmetrically in view of the cavity opening 16.
  • the oven cavity 12 is made of carbon steel. Further, the oven cavity 12 may be made of stainless steel.
  • FIG 4b shows an alternative embodiment. In this embodiment, there are two cavity openings 16. The cavity openings 16 are ar ranged non-central to the first structure 22. In particular the two cavity openings 16 may be arranged on an inclined surface of the first structure 22 on the same side. Another number of cav- ity openings is possible.
  • FIG 5a illustrates a schematic partial side view of the cooking oven 10 according to an embodiment of the present invention.
  • the cooking oven 10 comprises the oven cavity 12 and the cooling channel 14, wherein the cooling channel 14 is arranged above the oven cavity 12.
  • the first structure 22 around the cavity opening 16 and the second structure 24 around the guiding channel 18 are engaged with each other.
  • a second cavity 25 is formed by the first structure 22 and the second structure 24.
  • the engage ment between the first structure 22 and the second structure 24 provide the mechanical sealing between the cavity opening 16 and the guiding channel 18. Any further sealing elements are not re- quired.
  • the first structure 22 is formed by embossment into the cavity wall 12a and the second structure 24 is formed by embossment into a bottom wall 14a of the cooling channel 14.
  • FIG 5b illustrates a further embodiment.
  • the first structure 22 is a shape part 22a which is at tached to the top wall 12a of the cavity 12 instead of the em bossment into the top wall 12a as shown in FIG 5a.
  • FIG 5c illustrates an embodiment with a first structure 22 formed from a shape part 22a, and a second structure 24 formed from a shape part 24a and attached to the cooling channel 14 re placing the embossments into the top wall 12a and the bottom wall 14a shown in FIG 5a.
  • the second structure may be formed from a shape part 24a.
  • FIG 5a-c may be combined with first structure 22 and cavity opening (s) 16 as depicted in FIG 4a, b and with the second structure 24 and guiding channel (s) 18 as depicted in FIG 3a, b.
  • FIG 6a illustrates an embodiment with a cooling fan 32 arranged with the cooling channel 14.
  • the cooling fan 32 is driven by a motor located above a top wall 14b of the cooling channel 14, wherein the blades of the cooling fan 32 are depicted inside the cooling channel 14.
  • Supporting structures of the cooling fan 32 and optional air guiding elements arranged at or around the blades of the cooling fan 32 are not shown.
  • FIG 6a depicts an on axis configuration of the cooling fan 32, wherein the axis of the cooling fan 32 is located in axis with a center of the first structure 22 and a center of the second structure 24.
  • the cooling fan 32 sucks steam and vapour though the cavity opening 16, the second cavity 25, which may be pro vided with a filtration element, and the guiding channel 18 into a main channel of the cooling channel 14.
  • the cooling fan 32 may optionally suck cold air from an outside though a duct 30 to be mixt with the steam and vapour inside the cooling channel 14 to be exhausted to an outside.
  • Duct 30 may be located above the top wall 12a of the oven cavity 12 and below a bottom wall 14a of the cooling channel.
  • the first structure and the second struc ture 22, 24 might be formed f.e. by embossment or by shaped parts 22a, 24a as shown in Fig. 5a-c.
  • FIG 6b illustrates an alternative arrangement of the cooling fan 32.
  • First and second structure 22, 24 as well as the cavity opening 16 and the guiding channel 18 are arranged in line.
  • the cooling fan 32 is placed at some distance D towards the back of the oven 10.
  • the dis tance D is chosen such that the fan blades overlap the second structure partially but not the guiding channel, the distance D can be also chosen such that fan blades and the first and second structure do not overlap.
  • the first structure and the second structure 22, 24 might be formed f.e. by embossment or by shaped parts 22a, 24a as shown in Fig. 5a-c.
  • FIG 6c shows an alternative embodiment to Fig. 6b wherein the cooling fan 32 is placed at some distance D towards the front of the oven 10.
  • the opening of the cooling chan nel is placed above or in the oven door 11.
  • Fig 6c depicts an off-axis arrangement of the cooling fan 32, the fan could alternatively be placed on axis as shown in Fig. 6a with the cooling channel opening directed at the oven door 11.
  • FIG 6a-c may be combined with first structure 22 and cavity opening (s) 16 as depicted in FIG 4a, b and with the second structure 24 and guiding channel (s) 18 as depicted in FIG 3a, b as well.
  • FIG 7 illustrates a schematic partial perspective view of the cooking oven 10 according to an embodiment of the present inven tion .
  • the cooking oven 10 comprises two side walls 20.
  • the oven cavity 12 having a front opening 13 is attached at said side walls 20 by screws.
  • the cooling channel 14 is attached at the side walls 20 by screws.
  • the side walls 20 may be mounted on or supported by a supporting structure 21 arranged under the oven cavity 12.
  • the oven cavity 12 is fixed to the housing of said cooking oven 10. Then, the cooling channel 14 is laid on the oven cavity 12, wherein the first structure 22 and the second structure 24 come into contact. The complementary surfaces of the first structure 22 and the second structure 24 align the correct position of the cooling channel 14 relative to the oven cavity 12. At last, the cooling channel 14 is fixed by screws to the housing of the cooking oven 10.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)
  • Baking, Grill, Roasting (AREA)

Abstract

La présente invention concerne un four de cuisson (10) comprenant une cavité de four (12) et un canal de refroidissement. La cavité de four (12) comprend au moins une ouverture de cavité (16). Le canal de refroidissement (14) comprend au moins un canal de guidage (18). L'ouverture de cavité (16) est reliée au canal de guidage (18). L'ouverture de cavité (16) est entourée par une première structure (22). Le canal de guidage (18) est entouré par une seconde structure (24). La première structure (22) et la seconde structure (24) sont formées de manière complémentaire l'une à l'autre.
PCT/EP2020/068897 2019-07-04 2020-07-03 Four de cuisson comprenant une cavité de four et un canal de refroidissement WO2021001559A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2020299831A AU2020299831A1 (en) 2019-07-04 2020-07-03 Cooking oven with oven cavity and cooling channel
EP20735200.6A EP3994395A1 (fr) 2019-07-04 2020-07-03 Four de cuisson comprenant une cavité de four et un canal de refroidissement
BR112021023236A BR112021023236A2 (pt) 2019-07-04 2020-07-03 Forno de cozimento com cavidade de forno e canal de resfriamento

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19184353.1A EP3760931A1 (fr) 2019-07-04 2019-07-04 Four de cuisson comportant une cavité de four et un canal de refroidissement
EP19184353.1 2019-07-04

Publications (1)

Publication Number Publication Date
WO2021001559A1 true WO2021001559A1 (fr) 2021-01-07

Family

ID=67180614

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/068897 WO2021001559A1 (fr) 2019-07-04 2020-07-03 Four de cuisson comprenant une cavité de four et un canal de refroidissement

Country Status (4)

Country Link
EP (2) EP3760931A1 (fr)
AU (1) AU2020299831A1 (fr)
BR (1) BR112021023236A2 (fr)
WO (1) WO2021001559A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1005769S1 (en) 2021-09-08 2023-11-28 Newage Products Inc. Oven

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0732549A2 (fr) * 1995-03-16 1996-09-18 Wiesheu-Wiwa GmbH Four pour le traitement thermique d'aliments et méthode de cuisson
EP1867928A1 (fr) * 2006-06-15 2007-12-19 Brandt Industries Four de cuisson à la vapeur
US20130025581A1 (en) * 2011-07-27 2013-01-31 Bsh Home Appliances Corporation Exhaust baffle for kitchen appliance
EP2687787A2 (fr) * 2012-07-20 2014-01-22 Samsung Electronics Co., Ltd Four
US20150083109A1 (en) * 2009-07-15 2015-03-26 Lg Electronics Inc. Cooker
EP3012537A1 (fr) * 2014-10-23 2016-04-27 Electrolux Appliances Aktiebolag Four de cuisine comprenant une roue de ventilateur propulsé par un écoulement d'air

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010042891A1 (de) * 2010-10-25 2012-04-26 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zur Ausblasung von Wrasen aus einem Gargerät sowie Gargerät mit einer derartigen Vorrichtung
DE202016001920U1 (de) * 2016-03-24 2016-07-14 Electrolux Appliances Aktiebolag Luftführung für einen Haushaltsofen
KR102210370B1 (ko) * 2016-06-03 2021-02-01 삼성전자주식회사 오븐
CN107898334B (zh) * 2017-12-22 2023-09-19 珠海格力电器股份有限公司 一种散热风道组件及具有其的蒸烤设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0732549A2 (fr) * 1995-03-16 1996-09-18 Wiesheu-Wiwa GmbH Four pour le traitement thermique d'aliments et méthode de cuisson
EP1867928A1 (fr) * 2006-06-15 2007-12-19 Brandt Industries Four de cuisson à la vapeur
US20150083109A1 (en) * 2009-07-15 2015-03-26 Lg Electronics Inc. Cooker
US20130025581A1 (en) * 2011-07-27 2013-01-31 Bsh Home Appliances Corporation Exhaust baffle for kitchen appliance
EP2687787A2 (fr) * 2012-07-20 2014-01-22 Samsung Electronics Co., Ltd Four
EP3012537A1 (fr) * 2014-10-23 2016-04-27 Electrolux Appliances Aktiebolag Four de cuisine comprenant une roue de ventilateur propulsé par un écoulement d'air

Also Published As

Publication number Publication date
EP3760931A1 (fr) 2021-01-06
EP3994395A1 (fr) 2022-05-11
AU2020299831A1 (en) 2021-11-18
BR112021023236A2 (pt) 2022-01-04

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