EP0690268B1 - Appareil de chauffage pour le ménage - Google Patents

Appareil de chauffage pour le ménage Download PDF

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Publication number
EP0690268B1
EP0690268B1 EP95108762A EP95108762A EP0690268B1 EP 0690268 B1 EP0690268 B1 EP 0690268B1 EP 95108762 A EP95108762 A EP 95108762A EP 95108762 A EP95108762 A EP 95108762A EP 0690268 B1 EP0690268 B1 EP 0690268B1
Authority
EP
European Patent Office
Prior art keywords
appliance according
foils
heating appliance
household heating
foil
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
EP95108762A
Other languages
German (de)
English (en)
Other versions
EP0690268A3 (fr
EP0690268A2 (fr
Inventor
Johann Klement
Klaus Dipl.-Ing. Rabenstein (Fh)
Klemens Dipl.-Ing. Roch (Fh)
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP0690268A2 publication Critical patent/EP0690268A2/fr
Publication of EP0690268A3 publication Critical patent/EP0690268A3/fr
Application granted granted Critical
Publication of EP0690268B1 publication Critical patent/EP0690268B1/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
    • F24C15/34—Elements and arrangements for heat storage or insulation

Definitions

  • the invention relates to a heating appliance according to the Preamble of claim 1.
  • Thermal insulation of ovens are used in practice currently only fiber insulating materials such as Ceramic barrel mats, used with which the oven muffle with Inclusion of any external heating elements is surrounded. Such fibrous insulating materials are increasingly considered viewed as hazardous to health. According to a known proposal (DE-A 25 49 834) is used instead of fibrous insulating material an insulating film, e.g. made of aluminum, in one or several layers around the wall surfaces of the furnace muffle wrapped, air chambers by means of spacer strips on the edge between the wall surfaces of the oven muffle and the Insulating film, or between the individual layers of the insulating film, be created.
  • an insulating film e.g. made of aluminum
  • the spacer strips must be used here again made of a material that can withstand higher temperatures, as in normal roasting and baking processes or in Extreme case when performing pyrolytic self-cleaning processes inside the oven muffle and accordingly reduces also occur on the outside of the oven muffle withstands. With the mentioned proposal it is recommended to do so To use asbestos foam, which is highly heat-resistant, however again is not without problems.
  • the invention has for its object a domestic heating appliance, esp. cooking device, e.g. an oven, in relation to design the thermal insulation so that health Problems no longer occur and the insulation in addition to good workability and small space requirements the highest degree of, also partially variable, thermal insulation owns.
  • a domestic heating appliance esp. cooking device, e.g. an oven
  • By appropriate surface profiling the top layers of the film layers or the edges or edge sections can easily conduct heat from housing or furnace muffle to the film layer or between the fastening and / or connecting elements specifically reduced be, so that, for example, only point contact of the aforementioned parts take place.
  • Not least the advantage of the invention is that the invention Products 100% pure and recyclable could be.
  • Places e.g. the oven muffle
  • Heat energy in less to be able to derive highly contaminated places.
  • connecting elements to a so-called Heat dissipation e.g. from the front device area such as from the area of the muffle flange on the front.
  • a preferred measure for mounting and positioning the individual foils are spaced apart by profiling the e.g. internal foils e.g. such that the film layer is honeycomb-shaped in cross section is formed, it can be provided that the mutually supportive embossments represent a mutual one Establish the individual foils in the composite, so that e.g. different thermal expansions or mechanical Loads are absorbed.
  • Fig. 1 shows a front view of the housing of a domestic heating appliance in the form of an oven muffle 1, the cuboid is formed and four perpendicular to each other Furnace walls 2, 3, 4 and 5 as well as a circumferential, bent furnace or feed flange 6 has.
  • An air distribution shaft is arranged in front of the rear furnace wall 7 8 with corresponding fan 9 and air heating 10, causing heated air flows in the direction of the arrow in blown the equipment room inside the oven muffle 1 can be.
  • Arranged on the top furnace wall 3 is an internal radiant heater 11 while below the lower furnace wall 5 an external radiator 12 is arranged as a so-called bottom heat.
  • each film layer 13 has edges made of the films self-formed, bendable and fastening and / or connecting elements Representing edges 14, which have the outer dimensions protrude the oven muffle 1 and after the form-fitting application of the respective film layer 13 on the outside of the oven muffle 1 in Arrow direction folded onto the adjacent film layer become. Due to the mutual overlap of the film layers 13 there is a complete thermal insulation of the relevant furnace walls.
  • FIG. 4 is again schematic the front view of an oven muffle 1 canceled Shown loading flange 6 shown, with the Insulation of the aforementioned furnace walls a one-piece film layer sheet 15 is used, the four by compressed edge sections 16 separate film layers 13b and has cantilevered edges 14 at both ends.
  • This film layer web 15 is wrapped around the aforementioned furnace walls, the compressed edge sections 16 in the Corner areas of the oven muffle 1 curved connecting elements represent.
  • FIG. 5 is a part of an enlarged view Foil layer 13 with associated edge 14 or edge section 16 shown when trained as a film layer web.
  • This layer of film 13 is multi-layered and consists e.g. from four aluminum foils a, b, c and d, with foils a and d outer Show cover foils.
  • the inner foils have b and c in the exemplary embodiment e.g. a meandering expression and are arranged crosswise to each other, i.e. the meandering and elongated embossing 17 stand perpendicular to each other and touch each other point by point.
  • This Embossing points 17 represent spacing elements, which the in Example multilayer films a, b, c and d around a predetermined one Keep the distance between them.
  • This compression can be done by multiple, partial deep drawing of the film composite in the area of deep-drawing points 18 according to FIGS. 6 and 7, but not all slides are drawn.
  • the deep-drawing and squeezing points can such as a Z-shaped, mutually overlapping profile according to the top view in FIG. 8.
  • FIG. 9 shows the oven muffle 1 in somewhat more detail Horizontal section, the front of the loading flange 6 has. It can be seen that on the outside the side furnace walls 2 and 4 layers of film 13b, e.g. Part of a one-piece film layer web could be.
  • the film layer used here 13b is illustrated in more detail in FIGS. 10 and 11. It consists of two outer cover foils a 'and d' and from two inner foils b 'and c'.
  • the inner foils b 'and c' are in a regular pattern with embossing points trained cup-shaped spacers 19a and 19b provided, which support each other, whereby these multi-profiled foils b 'and c' so each other are assigned or placed on top of each other that the spacer elements 19a e.g. the film c 'with the spacer elements 19b of the film b 'meet in a supportive manner.
  • the spacing elements designated 19a preferably have on the support surfaces circular recesses 20 in which the contracting Immerse spacer elements 19b with their flat support surfaces and are held in a form-fitting manner.
  • the cover foils a'and d 'in a similar way with a profiling is provided with elevations 21 on the one hand and depressions 22 on the other hand, being in the elevations 21 engage the flat support surfaces of the spacer elements 19b and are fixed.
  • the honeycomb-shaped film layer pattern is further expanded by two more foils e 'and f', their design and arrangement is analogous to that shown in FIG. 11 Foil layer 13c.
  • the edge side in the described way e.g. through the edges 14 or edge portions 16 are closed.
  • the film layer 13c on one Side border 14 bent by 180 ° and thermally closely and directly on the inside 24 of the charging flange 6 coupled or attached relatively large area. Esp. then when the directly on the oven muffle 1 attached cover sheet e.g.
  • the film layer 13c is e.g. with a circular or elongated recess 27 provided, which is limited by the peripheral edge 14.
  • FIG. 13 essentially shows the structure according to FIG. 11 or 12.
  • the touch or Support points i.e. the recesses 20 of the profiled film e 'and the flat supporting surfaces of the neighboring, upper Foil b 'intermediate layers 30 from a heat poorly conductive Material, which makes the two films mentioned thermal are largely decoupled from each other.
  • a wave-like shaping of the films or intermediate films e.g. such intermediate layers according to FIG be provided, which then e.g. elongated, stripe-shaped are formed, while in Figure 13 in the form of round Discs are executed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Baking, Grill, Roasting (AREA)
  • Disintegrating Or Milling (AREA)
  • Thermally Insulated Containers For Foods (AREA)
  • Laminated Bodies (AREA)
  • Thermal Insulation (AREA)

Claims (19)

  1. Appareil ménager chauffant, en particulier appareil ménager tel qu'un four, dont le compartiment d'alimentation contenant au moins un élément chauffant est pour le moins partiellement entouré d'au moins une couche de plusieurs épaisseurs de feuilles étanches à l'air enfermant des chambres d'air, qui sont reliées entre elles au moins à la périphérie et du reste maintenues à distance l'une de l'autre, caractérisé en ce que la - au moins - une couche de feuilles (13) possède partout un bord (14) totalement étanche à l'air formé des bords de feuilles, qui constitue un élément de fixation et/ou de liaison flexible. Fig. 5
  2. Appareil ménager chauffant selon la revendication 1, caractérisé en ce que la couche de feuilles (13) est composée d'une matière uniforme, de préférence d'une matière de feuilles en aluminium.
  3. Appareil ménager chauffant selon l'une des revendications précédentes, caractérisé en ce que le compartiment d'alimentation est entouré du moins partiellement de plusieurs couches de feuilles (13) isolées l'une de l'autre de manière étanche à l'air.
  4. Appareil ménager chauffant selon la revendication 3, caractérisé en ce que les couches de feuilles comportent un nombre différent de feuilles.
  5. Appareil ménager chauffant selon la revendication 3, caractérisé en ce que les couches de feuilles (13b) font partie d'une bande commune (15) de couches de feuilles interrompue par des segments périphériques (16) fermés.
  6. Appareil ménager chauffant selon la revendication 3, caractérisé en ce que les couches de feuilles immédiatement contiguës chevauchent au niveau des régions limites.
  7. Appareil ménager chauffant selon la revendication 3, caractérisé en ce que les couches de feuilles voisines sont en contact direct l'une avec l'autre et en ce que leurs bords (14) sont détournés du point de contact (fig. 2, 3).
  8. Appareil ménager chauffant selon l'une des revendications précédentes, caractérisé en ce que les différentes feuilles (a, b, c, d) de la couche de feuilles (13, 13c) sont maintenues à distance l'une de l'autre par des points d'estampage réalisés dans les feuilles, qui forment des éléments d'écartement (17 ; 19a, 19b) de petite surface.
  9. Appareil ménager chauffant selon la revendication 8, caractérisé en ce que la couche de feuilles (13) est composée d'au moins trois feuilles, la - au moins - une feuille (b, c) placée entre les couches de recouvrement extérieures (a, d) possédant des points d'estampage formant des éléments d'écartement (19a, 19b).
  10. Appareil ménager chauffant selon la revendication 9, caractérisé en ce qu'au moins deux feuilles (b, c) sont placées entre les feuilles de recouvrement (a, d, fig. 5), qui sont munies de points d'estampage superposés croisés en forme de méandres.
  11. Appareil ménager chauffant selon la revendication 9, caractérisé en ce que les feuilles intérieures comportent des éléments d'écartement (19a, 19b) essentiellement en forme d'auge orientés l'un vers l'autre, qui s'appuient l'un sur l'autre de préférence en nid d'abeilles.
  12. Appareil ménager chauffant selon la revendication 11, caractérisé en ce que les surfaces d'appui parallèles au plan de la couche de feuilles (13c) des éléments d'écartement (19a) comportent une feuille munie de creux (22) de préférence circulaires, dans lesquels les surfaces d'appui de petite surface de la ou des feuilles voisines sont maintenues par engrenage des formes.
  13. Appareil ménager chauffant selon la revendication 9, caractérisé en ce qu'au moins une des feuilles de recouvrement (a', d') est pourvue de saillies (21) et de creux (22) grâce à un profilage de la surface.
  14. Appareil ménager chauffant selon l'une des revendications précédentes, caractérisé en ce que les bords (14) et/ou sections périphériques (16) des feuilles sont reliés entre eux au niveau de points emboutis et de préférence sertis et s'engrenant par derrière.
  15. Appareil ménager chauffant selon la revendication 14, caractérisé en ce que les bords (14) et/ou sections périphériques (16) comportent plusieurs points de liaison se recouvrant de préférence mutuellement (fig. 8).
  16. Appareil ménager chauffant selon l'une des revendications précédentes, caractérisé en ce que la liaison périphérique des feuilles est réalisée par soudage.
  17. Appareil ménager chauffant selon la revendication 9, caractérisé en ce qu'au moins une des feuilles de recouvrement (a') est réalisée en une matière résistante aux hautes températures, par exemple en tôle d'acier ou en tôle d'acier spécial.
  18. Appareil ménager chauffant selon l'une des revendications précédentes, caractérisé en ce qu'au moins un des bords (14) ou sections périphériques de la couche de feuilles (13c) ou des couches de feuilles est couplé de manière thermiquement ferme aux parties du corps formant le compartiment d'alimentation, qui sont soumises à une forte charge thermique ou dont la charge thermique doit être réduite.
  19. Appareils ménager chauffants selon la revendication 18, caractérisés par le couplage périphérique à la bride de chargement (6) du corps.
EP95108762A 1994-06-27 1995-06-02 Appareil de chauffage pour le ménage Expired - Lifetime EP0690268B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4422360A DE4422360A1 (de) 1994-06-27 1994-06-27 Wärme-Haushaltgerät
DE4422360 1994-06-27

Publications (3)

Publication Number Publication Date
EP0690268A2 EP0690268A2 (fr) 1996-01-03
EP0690268A3 EP0690268A3 (fr) 1996-09-25
EP0690268B1 true EP0690268B1 (fr) 1999-05-06

Family

ID=6521548

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95108762A Expired - Lifetime EP0690268B1 (fr) 1994-06-27 1995-06-02 Appareil de chauffage pour le ménage

Country Status (7)

Country Link
US (1) US5763857A (fr)
EP (1) EP0690268B1 (fr)
AT (1) ATE179792T1 (fr)
BR (1) BR9502938A (fr)
DE (2) DE4422360A1 (fr)
ES (1) ES2132461T3 (fr)
GR (1) GR3030884T3 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6104004A (en) * 1997-04-10 2000-08-15 Atd Corporation Electric barbecue grill
DE69922007T2 (de) 1998-07-09 2005-11-10 Atd Corp. Tragbarer gasgrill
DE19912831A1 (de) * 1999-03-22 2000-09-28 Bsh Bosch Siemens Hausgeraete Gargerättür
US6823571B1 (en) 2000-01-24 2004-11-30 Atd Corporation Apparatus and method for manufacture of multilayer metal products
US6494130B2 (en) * 2000-02-04 2002-12-17 The Garland Group Cooking apparatus insulated by non-fibrous means
DE10013883C2 (de) * 2000-03-21 2003-07-17 Aeg Hausgeraete Gmbh Backofen
DE10104501B4 (de) * 2001-01-31 2004-06-24 BSH Bosch und Siemens Hausgeräte GmbH Gargerät
US7326458B1 (en) 2003-11-06 2008-02-05 Zagorski Stephen W System and method for flexible insulation
AU2007216654B2 (en) * 2006-09-11 2011-09-15 Moffat Pty Limited Improved insulation for baking chambers in a multi-deck baking oven
CA2601635C (fr) * 2006-09-11 2015-07-07 Moffat Pty Limited Isolant ameliore pour chambres de cuisson de four a plusieurs etages
KR101405219B1 (ko) * 2012-12-10 2014-06-10 주식회사 새한산업 다층 복합 판재
US9915392B2 (en) * 2014-03-13 2018-03-13 Transco Products Inc. Internal thermal insulation for metal reflective insulation
EP3333492B1 (fr) * 2016-12-07 2020-03-25 Electrolux Appliances Aktiebolag Four de cuisson
US11867405B2 (en) 2020-11-30 2024-01-09 Whirlpool Corporation Flexible bracket for a cooking appliance
DE102021121322A1 (de) 2021-08-17 2023-02-23 Norbert Langkeit Garvorrichtung

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Publication number Priority date Publication date Assignee Title
BE483700A (fr) * 1938-01-10
GB737331A (en) * 1953-04-17 1955-09-21 Revo Electric Co Ltd An improved means for lagging ovens of gas or electric cookers
US3037592A (en) * 1957-08-23 1962-06-05 Martin Marietta Corp Crisscross core for laminated metal structures
DE2549834C3 (de) 1975-11-06 1978-08-10 Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart Back- und Bratrohr
US4168013A (en) * 1977-10-17 1979-09-18 Trans Temp Inc. High temperature insulating container
JPS56146933A (en) * 1980-04-17 1981-11-14 Toshiba Corp Cooking apparatus
JPS60129534A (ja) * 1983-12-15 1985-07-10 Matsushita Electric Ind Co Ltd 加熱調理器
US4579756A (en) * 1984-08-13 1986-04-01 Edgel Rex D Insulation material with vacuum compartments
IT1201785B (it) * 1986-12-11 1989-02-02 Zanussi Zeltron Inst Procedimento per la fabbricazione di forni di cottura
JPH01150098A (ja) * 1987-12-03 1989-06-13 Nippon Steel Corp 断熱体
US5107649A (en) * 1988-04-15 1992-04-28 Midwest Research Institute Compact vacuum insulation embodiments
US5406930A (en) * 1993-08-10 1995-04-18 Atd Corporation Outdoor cooking device

Also Published As

Publication number Publication date
EP0690268A3 (fr) 1996-09-25
GR3030884T3 (en) 1999-11-30
US5763857A (en) 1998-06-09
EP0690268A2 (fr) 1996-01-03
ES2132461T3 (es) 1999-08-16
ATE179792T1 (de) 1999-05-15
DE59505819D1 (de) 1999-06-10
DE4422360A1 (de) 1996-01-04
BR9502938A (pt) 1996-01-23

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