EP2072905A2 - Ofen mit Luftgrenze - Google Patents

Ofen mit Luftgrenze Download PDF

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Publication number
EP2072905A2
EP2072905A2 EP08172141A EP08172141A EP2072905A2 EP 2072905 A2 EP2072905 A2 EP 2072905A2 EP 08172141 A EP08172141 A EP 08172141A EP 08172141 A EP08172141 A EP 08172141A EP 2072905 A2 EP2072905 A2 EP 2072905A2
Authority
EP
European Patent Office
Prior art keywords
rack
oven
cooking
electric
gas oven
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Withdrawn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
EP08172141A
Other languages
English (en)
French (fr)
Other versions
EP2072905A3 (de
Inventor
Alberto Leggi
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.)
Leggi Project Co Srl
Giraudi International Trading SA
Original Assignee
Leggi Project Co Srl
Giraudi International Trading SA
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 Leggi Project Co Srl, Giraudi International Trading SA filed Critical Leggi Project Co Srl
Publication of EP2072905A2 publication Critical patent/EP2072905A2/de
Publication of EP2072905A3 publication Critical patent/EP2072905A3/de
Withdrawn legal-status Critical Current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
    • F24C15/16—Shelves, racks or trays inside ovens; Supports therefor
    • 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
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/025—Doors specially adapted for stoves or ranges with air curtain closures
    • 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
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges
    • F24C3/128—Arrangement or mounting of control or safety devices on ranges in baking ovens
    • 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
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination

Definitions

  • the present innovation concerns an electric or gas oven with rack in particular for cooking meat or fish, of the type comprising a self-supporting stainless steel structure which is open at the front and in which a removable cooking rack is fitted, characterised in that means are provided for cooling the outer case of the oven and creating an air curtain at the front opening to prevent dispersion of the heat and cooking fumes to the outside.
  • the innovation provides a fan positioned inside the casing suitable for conveying a flow of fresh air between the inner walls and the outer surfaces of the oven, thus limiting an excessive increase in temperature caused by the dispersion of the heating elements inside;
  • the air curtain is created by a slit provided at the front opening from which a part of the flow emitted by the fan flows out and which acts as a barrier for the heat and fumes generated during cooking.
  • Said oven also provides a system for height regulation of the cooking rack consisting of a gearmotor connected to an eccentric device which acts on a sliding structure supporting the rack, and which allows said rack to be positioned at different heights in a totally automatic manner without having to remove it from the oven.
  • ovens produced according to the known technique usually comprise an outer box-type casing open at the front, suitable for defining the cooking area, provided with electric or gas heating elements positioned in the upper part of said casing.
  • the food is cooked on a removable rack, positioned inside the cooking area, which can be adjusted to various height positions by means of a series of supporting guides obtained on the inner lateral walls of the casing.
  • ovens of this type for cooking meat or fish require heating elements with considerable thermal power which, due to the front opening and dissipation through the inner walls, cause an increase in temperature of both the outer surfaces of the casing and of the gripping elements for movement of the rack beyond the threshold established by the UNI standards concerning equipment of this type.
  • a further drawback concerns height adjustment of the rack which, in the known devices, is performed manually by taking the rack out of the oven and re-fitting it in the guide at the required height; this operation, if performed during cooking, is obviously not only difficult due to the weight but also dangerous in view of the high temperatures of the rack elements.
  • the present innovation proposes an electric or gas oven with rack for cooking fish or meat of the type comprising an outer casing, open at the front, provided with heating elements in the upper part of the cooking area and in which a rack is fitted for cooking the food, characterised in that it comprises an internal ventilation system suitable for cooling the outer surfaces of the casing, as established by the standards for this type of equipment, and creating a vertical air curtain at the front opening which prevents dispersion of the heat towards the outside and outflow of the cooking fumes.
  • the oven according to the innovation also features a rack height-adjustment system comprising an eccentric device operated by a gearmotor which, coupled with a spring balancing system, allows the rack to be height-adjusted fully automatically without having to take it out of the oven, a characteristic which is very useful during cooking.
  • the rack is positioned over a tray for collection of fats and cooking juices containing water; said tray can be pulled out completely by means of telescopic guides which permit complete access to the product. Cleaning and hygiene operations are also facilitated.
  • the electric oven indicated overall by the number 1 comprises an outer casing 2, open at the front, suitable for defining a cooking area 3 in which a cooking rack is fitted indicated overall by the number 4.
  • Said casing 2 consists of a box-like structure with fibreglass-insulated inner walls and stainless steel outer surfaces; the electric or gas heating elements 7 are positioned inside the upper part of the casing ( fig. 3 ).
  • a radial fan 8 is provided with the inlet facing downwards and the outlet facing towards the cavity between the cover 10 and the upper inner wall 9.
  • a slit 12 is positioned vertically along the upper edge 13 of the front opening of the cooking area via which a part of the flow emitted by the fan flows out, creating a vertical air curtain which acts as a barrier against the outflow of heat and cooking fumes from the cooking area 3 to the outside.
  • the cooking rack 4 consists of a metal rack 14 positioned above a tray 15 for collection of the cooking juices.
  • Said rack 4 is fitted in a drawer, indicated by 16, by means of telescopic guides 17 which allow the rack to be removed, thus facilitating cleaning and maintenance operations.
  • Said drawer 16 in turn slides vertically along guides not indicated in the figure and is attached to the upper part of the casing 2 by means of four balancing springs 18 suitable for maintaining the drawer and therefore the rack horizontal when the height is varied.
  • the vertical movement system of the drawer 16 comprises a gearmotor 19 connected to two plates 20 arranged alongside the inner lateral walls 5 of the casing 2 by means of a shaft 21 positioned eccentrically with respect to the centre of said plates.
  • the two plates are connected by a cross member 22 positioned between them.
  • rollers 23 are hinged on each plate, positioned at the corners.
  • the system is configured so as to obtain three different discrete height adjustments defined every ninety degrees of rotation of the gearmotor; the distance between the minimum and maximum height position is defined by the distance between the various rollers 23 or by the dimension of the plates 20.
  • the drawer rests only on one single roller 23 of each plate; when this occurs, the spring balancing system helps to maintain the drawer 16 and the rack 4 horizontal until the new stable position is reached in which the drawer rests on another pair of rollers.
  • the automatic adjustment system furthermore clearly improves practicality of use, avoiding having to take the rack out during cooking with all related risks and drawbacks.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)
EP08172141A 2007-12-19 2008-12-18 Ofen mit Luftgrenze Withdrawn EP2072905A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITPC20070019 ITPC20070019U1 (it) 2007-12-19 2007-12-19 Forno con barriera ad aria

Publications (2)

Publication Number Publication Date
EP2072905A2 true EP2072905A2 (de) 2009-06-24
EP2072905A3 EP2072905A3 (de) 2011-11-23

Family

ID=40316107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08172141A Withdrawn EP2072905A3 (de) 2007-12-19 2008-12-18 Ofen mit Luftgrenze

Country Status (2)

Country Link
EP (1) EP2072905A3 (de)
IT (1) ITPC20070019U1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112450723A (zh) * 2020-11-30 2021-03-09 浙江佳歌电器有限公司 一种一体式拉伸蒸烤箱内胆

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098477A (en) * 1960-08-11 1963-07-23 South Bend Range Corp Broiler

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4144870A (en) * 1976-12-10 1979-03-20 Reynolds Howard R Adjustable broiler convection oven
US7220946B2 (en) * 2004-01-23 2007-05-22 Hatco Corporation Food container
US7357131B2 (en) * 2004-02-19 2008-04-15 Moreth Iii R Edward Air curtain door system for an oven

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098477A (en) * 1960-08-11 1963-07-23 South Bend Range Corp Broiler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112450723A (zh) * 2020-11-30 2021-03-09 浙江佳歌电器有限公司 一种一体式拉伸蒸烤箱内胆

Also Published As

Publication number Publication date
ITPC20070019U1 (it) 2009-06-20
EP2072905A3 (de) 2011-11-23

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