EP1260771B1 - Four de cuisson avec ouvertures de ventilation anticondensation - Google Patents

Four de cuisson avec ouvertures de ventilation anticondensation Download PDF

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Publication number
EP1260771B1
EP1260771B1 EP02010716A EP02010716A EP1260771B1 EP 1260771 B1 EP1260771 B1 EP 1260771B1 EP 02010716 A EP02010716 A EP 02010716A EP 02010716 A EP02010716 A EP 02010716A EP 1260771 B1 EP1260771 B1 EP 1260771B1
Authority
EP
European Patent Office
Prior art keywords
oven
cooking
cooking cavity
muffle
jacket
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.)
Expired - Lifetime
Application number
EP02010716A
Other languages
German (de)
English (en)
Other versions
EP1260771A1 (fr
Inventor
Giuseppe Milanesi
Walter Zanzani
Silvano Todoli
Giuliano Zanetti
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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 Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Publication of EP1260771A1 publication Critical patent/EP1260771A1/fr
Application granted granted Critical
Publication of EP1260771B1 publication Critical patent/EP1260771B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F24C15/08—Foundations or supports plates; Legs or pillars; Casings; Wheels
    • 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

Definitions

  • the present invention refers to a cooking oven, in particular of the kind intended for use in association with household-type cookers, featuring an innovatory design concept in view of doing away with all problems encountered in the use of such appliances owing to condensate forming during the operation of the oven.
  • Cooking ovens that are adapted to carry out both traditional and forced-convection, i.e. fan-assisted cooking processes are known since quite a long time now.
  • ovens are usually made of a sheet-metal material and comprise a muffle, or cooking cavity, inside and outside which there are arranged a number of functional component parts, such as electric heating elements, insulation materials, lighting lamps, fans, sealing gaskets, and the like.
  • the front access or loading aperture of such ovens is adapted to be tightly closed by a door, which is generally is a glazed door provided with an outside handle and sealing gaskets arranged all along the peripheral edges thereof, and hinged on to the lower edge of said front aperture of the cooking cavity.
  • a major drawback that is generally encountered in such cooking ovens during the operation thereof is brought about by the generation of hot vapours which, by condensing on to the cold surfaces, in particular the glass panes of the door, give rise to misting effects, which prevent the interior of the cooking cavity from being properly viewed from the outside, as well as to the formation of water which, when the oven door is opened, can disadvantageously drip both inside and outside the same oven.
  • real risky situations for the user can be triggered when, upon opening the oven door, a relatively large amount of steam at a rather high temperature is suddenly discharged outside.
  • US 2,375,047 discloses an oven comprising a partition 26 disposed within the oven; such partition 26 provides with the top wall of the oven liner a chamber 32 which extends over a substantially portion of the top of the oven.
  • the partition 26 is provided with one or more inlet openings 33, 34, which permit the hot gases and vapours within the oven to enter the chamber 32, the latter being connected to the atmosphere. Due to the close proximity of the upper heating element 15 and due to the fact that the chamber is disposed at a hot part of the oven, the vapours entering the chamber are dried and the cooking odors are burned out. Thus, the chamber has the effect of superheating the vapours, permitting them to be discharged into the atmosphere without condensing on the outer surface of the range around the vent opening.
  • a cooking oven comprising a muffle, or cooking cavity, which is provided with a front door for tightly closing it, characterized in that a sealed hollow jacket is applied on to the outer surface of at least a wall of said muffle or cooking cavity of the oven, and said hollow jacket is in a communicating relationship with the interior of the cooking cavity via at least two apertures provided in said wall, and spaced from each other, in such a manner as to bring about a closed-loop circulation of vapour between said jacket and said cooking cavity.
  • a cooking oven according to the present invention substantially comprises a muffle 10, which is generally made of enamel-coated sheet-metal, and which defines a cavity whose front aperture is closed by a door 11.
  • the upper wall of said muffle or cooking cavity 10 is provided with two apertures 12 and 13 ( Figure 2), which arranged spaced, i.e. at a distance from each other and, preferably, in mutually opposed positions with respect to a central plane of the oven muffle.
  • These apertures enable the interior of the muffle to communicate with an outer hollow jacket 14 that substantially covers the whole surface of the wall.
  • the temperature of the vapour decreases, but not to such an extent at to cause it to condensate.
  • the inner wall of the hollow jacket 14 is formed by the corresponding wall of the cooking cavity 10, so that it is quite hot.
  • the hollow jacket 14 may be applied on to any wall of the oven muffle, but is preferably associated to the upper wall thereof. Furthermore, the hollow jacket may be made in any of a number of different forms, i.e. in a curved form (Figure 3A), in the form of rectilinear segments (Figure 3B), in a box-like form (Figure 3C), in the form of a double superposed chamber (Figure 3D), or in the form of a curvilinear conduit (Figure 3E).

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)
  • Electric Ovens (AREA)
  • Cookers (AREA)
  • Baking, Grill, Roasting (AREA)
  • Polyesters Or Polycarbonates (AREA)

Claims (4)

  1. Four de cuisson, en particulier du type destiné à un usage domestique, comprenant un moufle ou cavité de cuisson (10), qui est muni d'une porte avant (11) pour la fermer étroitement, un espace creux hermétique ou chemise (14) étant appliqué sur la surface extérieure d'au moins une paroi dudit moufle ou cavité de cuisson (10), et ledit espace creux ou chemise (14) étant en communication avec l'intérieur de la cavité de cuisson (10) par l'intermédiaire d'au moins deux ouvertures (12, 13) prévues dans ladite paroi, caractérisé en ce que les ouvertures (12, 13) sont agencées à distance l'une de l'autre, de manière à provoquer une circulation de vapeur en boucle fermée naturelle entre ledit espace ou chemise (14) et ladite cavité de cuisson quand le four est en service.
  2. Four de cuisson selon la revendication 1, caractérisé en ce que lesdites ouvertures (12, 13) sont prévues dans la paroi supérieure dudit moufle ou cavité de cuisson (10) du four.
  3. Four de cuisson selon l'une quelconque des revendications 1 à 2, caractérisé en ce que ledit espace creux ou chemise (14) s'étend pour couvrir toute la surface de la paroi dudit moufle ou cavité de cuisson (10) du four.
  4. Four de cuisson selon l'une quelconque des revendications 1 à 2, caractérisé en ce que ledit espace creux ou chemise (14) est réalisé sous la forme d'un conduit reliant entre elles lesdites deux ouvertures (12, 13) ménagées dans la paroi du moufle ou cavité de cuisson (10) du four.
EP02010716A 2001-05-24 2002-05-14 Four de cuisson avec ouvertures de ventilation anticondensation Expired - Lifetime EP1260771B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPN20010018U 2001-05-24
IT2001PN000018U ITPN20010018U1 (it) 2001-05-24 2001-05-24 Forno di cottura con aperture di aerazione anticondensa

Publications (2)

Publication Number Publication Date
EP1260771A1 EP1260771A1 (fr) 2002-11-27
EP1260771B1 true EP1260771B1 (fr) 2006-09-13

Family

ID=11453236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02010716A Expired - Lifetime EP1260771B1 (fr) 2001-05-24 2002-05-14 Four de cuisson avec ouvertures de ventilation anticondensation

Country Status (5)

Country Link
EP (1) EP1260771B1 (fr)
AT (1) ATE339657T1 (fr)
DE (1) DE60214623T2 (fr)
ES (1) ES2272602T3 (fr)
IT (1) ITPN20010018U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPN20020048U1 (it) * 2002-09-25 2004-03-26 Electrolux Home Products Corporatio N N V Forno di cottura di tipo pirolitico.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB292653A (en) * 1927-03-15 1928-06-15 Charles Stewart Improvements in gas stoves and the like
US2375047A (en) * 1942-12-22 1945-05-01 Westinghouse Electric & Mfg Co Heating apparatus
DE1147737B (de) * 1955-09-01 1963-04-25 Homann Werke Wilhelm Homann Einrichtung zur Fuehrung der Verbrennungsgase in gasbefeuerten Back- und Bratkaesten von Herden od. dgl.

Also Published As

Publication number Publication date
DE60214623T2 (de) 2007-09-13
DE60214623D1 (de) 2006-10-26
ES2272602T3 (es) 2007-05-01
EP1260771A1 (fr) 2002-11-27
ITPN20010018U1 (it) 2002-11-24
ATE339657T1 (de) 2006-10-15

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