EP2037184A1 - Konvektionsofen - Google Patents

Konvektionsofen Download PDF

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Publication number
EP2037184A1
EP2037184A1 EP08152816A EP08152816A EP2037184A1 EP 2037184 A1 EP2037184 A1 EP 2037184A1 EP 08152816 A EP08152816 A EP 08152816A EP 08152816 A EP08152816 A EP 08152816A EP 2037184 A1 EP2037184 A1 EP 2037184A1
Authority
EP
European Patent Office
Prior art keywords
cooking chamber
convection oven
oven according
lateral wall
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.)
Granted
Application number
EP08152816A
Other languages
English (en)
French (fr)
Other versions
EP2037184B1 (de
Inventor
Aldo Barazza
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.)
Inoxtrend SRL
Original Assignee
Inoxtrend SRL
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39816731&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2037184(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Inoxtrend SRL filed Critical Inoxtrend SRL
Priority to PL08152816T priority Critical patent/PL2037184T3/pl
Publication of EP2037184A1 publication Critical patent/EP2037184A1/de
Application granted granted Critical
Publication of EP2037184B1 publication Critical patent/EP2037184B1/de
Not-in-force 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
    • 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
    • F24C15/325—Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation electrically-heated
    • 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
    • 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
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/06—Arrangement or mounting of electric heating elements

Definitions

  • the present invention relates to a convection oven which may be either of the gas or electric type.
  • the present invention is for the type of convection ovens which, at present, comprise a cooking chamber that has a niche separated by a flat panel from the rest of the chamber, designed for cooking food, and in which the heating means are inserted.
  • the chamber is closed by a door mounted at an opening which has a transit cross-section substantially matching that of the portion of the chamber designed to house the food.
  • a service compartment housing all of the oven operating equipment, as well as part of the of the heating means if necessary (such as the fan motor, etc.).
  • the cooking chamber consists of a complex volume, usually formed by joining two parallelepipeds, a larger one designed to constitute the zone for housing the food and a smaller one designed to constitute the niche for the heating means.
  • the cooking chamber is particularly complicated and expensive to produce.
  • the chamber since, as indicated, the chamber consists of a complex volume, it is delimited by a relatively large number of panels between which there are therefore many joints which must be produced in such a way as to guarantee the seal during use of the oven. Processing times are therefore relatively long with a consequent increase in production costs.
  • the presence of the niche makes the chamber asymmetrical meaning that at least two different dies are needed (with the consequent costs), one for the lower part and one for the upper part.
  • the technical purpose which forms the basis of the present invention is to provide a convection oven which overcomes the above-mentioned disadvantages.
  • the present invention has for a technical purpose to provide a convection oven which is easy to produce and inexpensive.
  • the present invention also has for a technical purpose to provide a convection oven which allows easy access to the heating means.
  • the present invention has for another technical purpose to provide a convection oven which is easy to clean.
  • the numeral 1 denotes as a whole a convection oven in accordance with the present invention.
  • the convection oven 1 comprises a containment structure 2 having a lower supporting base 3 in which a cooking chamber 4 is made, having an access opening 5 at a front face 6 of the containment structure 2. Moreover, a door 7 is mounted on the containment structure 2 and can move between a closed position in which it closes the opening 5 for access to the cooking chamber 4 ( Figure 3 ) and an open position 5 in which it allows access to the cooking chamber 4 through the opening 5 ( Figure 5 ).
  • the width of the cooking chamber 4 is substantially constant along a horizontal direction (perpendicular to the door 7 when the door is in the closed position) extending from the opening 5 to a rear wall of the cooking chamber 4.
  • substantially constant width means except for small differences due for example to particular shaping (presence of bulges, recesses, etc.) of the lateral walls of the chamber.
  • the lateral walls defining the width of the chamber may have formed areas, stiffening ribs, etc., with a depth of even several centimetres, without the width of the cooking chamber 4 being considered substantially not constant, for the purposes of the present invention.
  • the oven comprises means 8 for heating the cooking chamber 4, the heating means being connected to a first lateral wall 9 of the cooking chamber 4.
  • the heating means 8 are at least partly mounted on the first lateral wall 9 of the cooking chamber 4 and project cantilever-style into the cooking chamber 4.
  • the heating means 8 are positioned in such a way that their projection over the rear wall 10 of the cooking chamber 4 at least partly overlaps the projection of the cooking chamber 4 opening 5 over the rear wall 10.
  • the first lateral wall 9 on which the heating means 8 are mounted extends mainly in such a way that it is flat from the opening 5 to the rear wall 10 of the cooking chamber 4.
  • the cooking chamber 4 has a working volume 11 for housing the products to be cooked (equal to the difference between the overall volume of the chamber and the volume occupied by the heating means 8), whose transversal horizontal dimension (perpendicular to the first lateral wall 9) is less than the longitudinal horizontal dimension (that is to say, that parallel with the first lateral wall 9 and extending from the opening 5 to the rear wall 10).
  • the oven also comprises a rack 12 for supporting a plurality of baking pans or grills 13, mounted in the cooking chamber 4 working volume 11, and which comprises two side units 14 positioned opposite one another on the two sides of the cooking chamber 4 working volume 11, parallel with the first lateral wall 9.
  • Each side unit 14 comprises a front upright 15 and a rear upright 16 between which there extends a plurality of longitudinal horizontal guides 17 on which the baking pans or grills 13 can be inserted.
  • the rack 12 is a standard size.
  • the same oven can be used with baking pans/grills 13 of two different standard sizes: a first size having dimensions equal to those of the entire rack 12 which may be inserted in the oven according to its main direction of extension, and a second size in which the main dimension is equal to the width of the rack 12, whilst the smaller dimension is equal to half the length of the rack 12.
  • the convection oven also comprises a service compartment 18 made between the first lateral wall 9 of the cooking chamber 4 and a second lateral wall 19 of the containment structure 2.
  • the service compartment 18 houses all of the oven operating equipment (of the known type and therefore not illustrated).
  • the door 7 has a transparent zone 20 to allow observation of the inside of the cooking chamber 4.
  • the transparent zone 20 is positioned in such a way that it is longitudinally aligned with the inner part of the cooking chamber 4 which does not include the heating means 8, that is to say, it is aligned with the part corresponding to the working volume 11 of the chamber 4 occupied by the rack 12.
  • the door 7 has a main outer structure 21 fitted with a fixed sheet of glass 22, as well as an inner sheet of glass 23 connected to the outer structure in such a way that it is removable by rotation.
  • the inner sheet of glass 23 is rotatably connected to the main structure 21 of the door 7 close to the zone where the door is connected to the containment structure 2, whilst on the opposite side it can be selectively fixed to the outer structure of the door 7 by means of a specific locking element 24 (of the spring type in the accompanying drawings).
  • the door 7 is fitted with an opening 5 handle 25 associated with a lock 26, and when it is in the closed position it interacts with suitable seals 27 integral with the containment structure 2 to hermetically seal the cooking chamber 4.
  • the heating means 8 comprise a heating element 28 and a fan 29, operatively connected to it, both mounted on the first lateral wall 9 of the cooking chamber 4, and a covering structure 30 removably mounted on the first lateral wall 9, around the heating element 28 and the fan 29.
  • the fan 29 is a centrifugal fan 29 designed to suck in air centrally and distribute it radially, driven by a motor 31 located in the service compartment 18.
  • the heating element 28 comprises a plurality of tubular exchange elements 32 positioned around the fan 29.
  • Said exchange elements 32 extend along circular stretches substantially coaxial with the fan 29 (a known solution).
  • the exchange elements 32 are positioned in a plurality of planes substantially parallel with the first lateral wall 9, in such a way that they evenly give onto the entire lateral surface of the fan 29.
  • Figure 6 illustrates an alternative embodiment of the exchange elements 32.
  • the exchange elements 32 of one layer are positioned so that they are lying in planes different to those of the exchange elements 32 of the other layer to create channels for the air with maximised heat exchange.
  • the exchange elements 32 are positioned in such a way that they follow a single circle for each plane in which they lie.
  • the exchange elements 32 are hollow pipes for conveying the combustion fumes produced by a gas burner, not illustrated (it is a gas oven). However, in other cases, they may also consist of electric resistors.
  • the heating means 8 covering structure 30 is box-shaped with an open face towards the lateral wall 9. In other embodiments it may be mainly C-shaped, extending practically from the base wall 33 to the upper wall 34 of the cooking chamber 4.
  • the covering structure 30 also has through-holes/slits 35 which, together with suitable inner panels 40 and outer panels 41 which act as deflectors (preventing air from colliding with the door and the rear wall of the oven), allow air to circulate between the fan 29 and the working volume 11 of the cooking chamber 4.
  • suitable inner panels 40 and outer panels 41 which act as deflectors (preventing air from colliding with the door and the rear wall of the oven), allow air to circulate between the fan 29 and the working volume 11 of the cooking chamber 4.
  • the slits 35 and the inner panels 40 and outer panels 41 extend mainly vertically.
  • the covering structure 30 can be at least partly rotated relative to the first lateral wall 9, between an operating position in which it is close to the first lateral wall 9 and encloses the heating element 28 and the fan 29 ( Figure 3 ), and a home position in which it is rotated towards the inside of the cooking chamber 4 and allows access to the heating element 28 and the fan 29 ( Figure 5 ).
  • this is achieved by hinging the part of the covering structure 30 closest to the rear wall 10 about a vertical axis, and fitting the part closest to the opening 5 with selective locking means (such as screws or other means).
  • the covering structure 30 also preferably has a pipe 36 having a first free end (not illustrated) and a second end 37 which can be connected to a water supply nozzle 38 mounted on the first lateral wall 9, allowing use of the oven 1 for steaming.
  • the second end 37 of said pipe 36 and the nozzle 38 centre themselves relative to one another and connect to each other following rotation of the covering structure 30 from the home position to the operating position.
  • the second end 37 of the pipe 36 is female, whilst the nozzle 38 is male.
  • the containment structure 2 has a control panel 39 made on the front face 6 and positioned at the side of the door 7 when the door is in the closed position.
  • the present invention brings important advantages.
  • the convection oven made in accordance with the present invention is easier to produce and less expensive than conventional ovens, since the cooking chamber has a simple shape without niches.
  • the convection oven disclosed is easy to clean, since there is easy access to all parts of the cooking chamber.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)
  • Glass Compositions (AREA)
  • Cookers (AREA)
  • Electric Ovens (AREA)
EP08152816A 2007-09-13 2008-03-14 Konvektionsofen Not-in-force EP2037184B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08152816T PL2037184T3 (pl) 2007-09-13 2008-03-14 Piec konwekcyjny

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000128A ITVR20070128A1 (it) 2007-09-13 2007-09-13 Forno a convezione

Publications (2)

Publication Number Publication Date
EP2037184A1 true EP2037184A1 (de) 2009-03-18
EP2037184B1 EP2037184B1 (de) 2010-09-15

Family

ID=39816731

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08152816A Not-in-force EP2037184B1 (de) 2007-09-13 2008-03-14 Konvektionsofen

Country Status (7)

Country Link
EP (1) EP2037184B1 (de)
AT (1) ATE481604T1 (de)
DE (1) DE602008002515D1 (de)
DK (1) DK2037184T3 (de)
ES (1) ES2352364T3 (de)
IT (1) ITVR20070128A1 (de)
PL (1) PL2037184T3 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700005779A1 (it) * 2017-01-19 2018-07-19 Everlasting S R L Apparato per la stagionatura di prodotti alimentari
WO2020048687A1 (en) * 2018-09-06 2020-03-12 Arcelik Anonim Sirketi Cooking device providing ease of use
EP3978813A1 (de) * 2016-09-09 2022-04-06 Samsung Electronics Co., Ltd. Ofen

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002484A1 (de) * 1977-12-16 1979-06-27 Küppersbusch Aktiengesellschaft Gerät zum Garen bzw. Erhitzen von Esswaren
US4295419A (en) * 1980-05-12 1981-10-20 Larry Poulson Confined air food heating apparatus
GB2119922A (en) 1982-05-06 1983-11-23 Larry Poulson Food heating apparatus
US4515143A (en) * 1984-04-27 1985-05-07 Jabas Florian H Moving air oven for baking and the like
WO1990014784A1 (en) * 1989-06-09 1990-12-13 Cyclofur Company, L.P. Hot air circulating oven and food heating apparatus
US5756974A (en) 1995-06-09 1998-05-26 Samsung Electronics Co., Ltd. Convection microwave oven having improved hot air circulation
WO2005015087A2 (en) 2003-08-08 2005-02-17 Alto-Shaam, Inc. Oven including smoking assembly in combination with one or more additional food preparation assemblies
US6904903B1 (en) * 2002-07-22 2005-06-14 Middleby-Marshall, Inc. Convection steamer with forced recirculation through steam bath

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002484A1 (de) * 1977-12-16 1979-06-27 Küppersbusch Aktiengesellschaft Gerät zum Garen bzw. Erhitzen von Esswaren
US4295419A (en) * 1980-05-12 1981-10-20 Larry Poulson Confined air food heating apparatus
GB2119922A (en) 1982-05-06 1983-11-23 Larry Poulson Food heating apparatus
US4515143A (en) * 1984-04-27 1985-05-07 Jabas Florian H Moving air oven for baking and the like
WO1990014784A1 (en) * 1989-06-09 1990-12-13 Cyclofur Company, L.P. Hot air circulating oven and food heating apparatus
US5756974A (en) 1995-06-09 1998-05-26 Samsung Electronics Co., Ltd. Convection microwave oven having improved hot air circulation
US6904903B1 (en) * 2002-07-22 2005-06-14 Middleby-Marshall, Inc. Convection steamer with forced recirculation through steam bath
WO2005015087A2 (en) 2003-08-08 2005-02-17 Alto-Shaam, Inc. Oven including smoking assembly in combination with one or more additional food preparation assemblies

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3978813A1 (de) * 2016-09-09 2022-04-06 Samsung Electronics Co., Ltd. Ofen
IT201700005779A1 (it) * 2017-01-19 2018-07-19 Everlasting S R L Apparato per la stagionatura di prodotti alimentari
WO2020048687A1 (en) * 2018-09-06 2020-03-12 Arcelik Anonim Sirketi Cooking device providing ease of use

Also Published As

Publication number Publication date
ATE481604T1 (de) 2010-10-15
PL2037184T3 (pl) 2011-03-31
DK2037184T3 (da) 2010-12-06
EP2037184B1 (de) 2010-09-15
ES2352364T3 (es) 2011-02-17
DE602008002515D1 (de) 2010-10-28
ITVR20070128A1 (it) 2009-03-14

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