EP0310741B1 - Lampe pour four, étanche aux micro-ondes - Google Patents

Lampe pour four, étanche aux micro-ondes Download PDF

Info

Publication number
EP0310741B1
EP0310741B1 EP88104409A EP88104409A EP0310741B1 EP 0310741 B1 EP0310741 B1 EP 0310741B1 EP 88104409 A EP88104409 A EP 88104409A EP 88104409 A EP88104409 A EP 88104409A EP 0310741 B1 EP0310741 B1 EP 0310741B1
Authority
EP
European Patent Office
Prior art keywords
housing
microwave
lamp
metal
flange
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
EP88104409A
Other languages
German (de)
English (en)
Other versions
EP0310741A2 (fr
EP0310741A3 (en
Inventor
Erich Schröder
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.)
Hurst and Schroder GmbH
Original Assignee
Hurst and Schroder 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 Hurst and Schroder GmbH filed Critical Hurst and Schroder GmbH
Publication of EP0310741A2 publication Critical patent/EP0310741A2/fr
Publication of EP0310741A3 publication Critical patent/EP0310741A3/de
Application granted granted Critical
Publication of EP0310741B1 publication Critical patent/EP0310741B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6444—Aspects relating to lighting devices in the microwave cavity
    • 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
    • F24C15/008—Illumination for oven cavities
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/76—Prevention of microwave leakage, e.g. door sealings
    • H05B6/766—Microwave radiation screens for windows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/30—Lighting for domestic or personal use
    • F21W2131/307—Lighting for domestic or personal use for ovens

Definitions

  • the invention relates to a microwave-tight stove light according to the preamble of claim 1.
  • Recessed lights for microwave ovens have to meet special requirements. Particularly when using an incandescent lamp as a light source, microwave-tight shielding of the lamp from the cooking space must be ensured.
  • a microwave oven with a built-in lamp in which an all-round perfect galvanic connection between the shield shell and the muffle wall and thus perfect microwave tightness is to be achieved in that the screen grid and the glass cover are gap-free and with good galvanic contact in a metallic socket are permanently held.
  • the socket is screwed into a holder provided with a connecting flange and fastened to the muffle wall.
  • This known microwave oven light has a considerable size due to the double socket (inner socket and outer holder) and the screwing direction extending at right angles to the installation opening.
  • the stove lamp of the type mentioned at the outset known from DE-C-3 606 421 has a similarly large construction volume.
  • the lamp housing is made of a cylindrical inner sleeve with a clear width of less than the microwave length and an outer sleeve mechanically connected to the inner sleeve, which is connected to the stove wall. Both sleeves are arranged coaxially on the central axis running at right angles to the installation opening.
  • this lamp housing has a sleeve extension with a narrow diameter, in which at least part of the lamp holder lies. This sleeve extension, which surrounds the entire lamp holder, increases the installation depth of the known lighting device and impairs the standardization of the electrical base connections. Above all, it has been shown that the microwave shielding, particularly of the incandescent lamp, is imperfect.
  • the invention has for its object to provide a comparatively inexpensive to manufacture and assemble stove light available, which enables a compact design and low installation depth with improved microwave shielding.
  • the stove light according to the invention has the characterizing features of claim 1.
  • a stove light is known from US Pat. No. 4,621,180, the central axis of which runs essentially parallel to the associated wall of the hearth muffle, but this is a construction of a different type.
  • the incandescent lamp has no actual housing, but is located in a room above the hearth muffle, its base is attached to a board that forms a detachable part of the upper wall of this room. The lamp cables are led through the board.
  • the incandescent lamp is accessible from the cooking space, while the lamp base protrudes from the lamp housing.
  • the lamp can be manufactured and assembled inexpensively. Above all, it offers very cheap microwave shielding. This is primarily due to the alignment of the screen cover parallel to the lighting opening.
  • the shield cover covers the lamp beyond its filament, so that the latter is protected, which contributes to extending the life of the bulb.
  • the through openings of the shield cover are preferably arranged beyond the incandescent filament.
  • the double-walled unit of base wall and edge flange of the shielding cover acts over its entire extent similar to the outer housing extension used in known lighting devices and ensures the required microwave tightness despite a base wall opening which is penetrated by the lamp base.
  • the elimination of an outer housing extension not only has a favorable effect on a reduction in the overall volume of the stove light, but also enables the use of conventional lamp base connections. In this respect, all electrical components and connections of large-scale stove lights can be used in the microwave-tight stove light according to the invention.
  • stove lights of conventional design can be made microwave-proof by installing a special metallic shielding component.
  • the shielding component according to the invention is placed with its edge flange against the base wall of a stove lamp housing and fixed to the housing, preferably by welding or spot welding.
  • the circumferential, sleeve-shaped metal body in the installed position should be a minimum distance of 1.5 mm, preferably 2.0 mm, from all metal rear and side walls of the Have housing. The same applies to all other metallic connecting parts which are adjacent to the metal cage or a housing wall in the interior of the housing.
  • a particular advantage of the invention lies in the fact that all metal parts which are in galvanic connection for shielding remain in the original installation position when the housing interior is accessed either for maintenance or cleaning purposes.
  • the galvanically conductive parts of the luminaire which are made of corrosion-resistant metal for safety reasons, can be made small and can be designed to be inexpensive and functional as stationary parts. Due to the preferred position of the screw axis of the lamp parallel to the muffle wall, in which the lighting opening is also formed, the installation depth is comparatively small, so that the new lamp is particularly suitable for incorporation into a side muffle wall of the cooking space.
  • the basic size, design and base design of the new microwave oven light can correspond to that of a normal built-in oven light with conventional thermal heating elements.
  • the metallic shield cover has reliable shielding with only a slight loss of light if it consists of perforated metal sheet or wire with opening cross sections of at most 5 mm.
  • the housing can be trough-shaped and, in the area of the lighting opening, be delimited in the form of a frame by an integral connecting flange.
  • the metallic housing is preferably provided on its inside facing the lamp with reflecting surfaces.
  • a preferred embodiment of the stove light is characterized in that the connecting flange can be connected to a frame-shaped metallic fastening flange and that the fastening flange is perpendicular to the flange plane on one side has projecting fixed bolts, which are arranged in a predetermined grid and can be pushed through holes arranged in corresponding grids in the muffle wall and the connecting flange.
  • the distance between the adjacent bolts should be for reasons of microwave tightness Do not exceed 40 mm, preferably 30 mm.
  • the housing, the metallic shield cover, the connecting flange and the mounting flange are usually made of corrosion-resistant metal, e.g. Stainless steel.
  • the glass cover should be locked in a manner known from conventional oven lights (DE-A 3 428 329) with suitable spring elements of the housing itself.
  • the invention is further developed in that rib-shaped holding members are formed with undercuts on the side of the glass cover facing the interior of the housing, which cooperate with detent springs attached to the housing in such a way that the detent springs engage positively in the undercuts of the glass cover.
  • a double glass cover with a cavity enclosed between the two glass panes is particularly suitable for use in stoves with pyrolytic cleaning capability.
  • the cover which consists of glass panes, a cavity, a frame and, if applicable, a circumferential seal, forms thermal insulation to protect the temperature-sensitive light bulb against the high temperatures during pyrolytic cleaning.
  • the microwave oven light 1 according to the exploded view in FIG. 1 has a metal housing 2 with a base 3 held in the housing, a base socket, a screwed-in incandescent lamp 4, a hollow cylindrical metal cage 5, which forms the shielding cover, and a connecting flange 7 surrounding a lighting opening 6, which is integrally connected to the rest of the housing 2. Furthermore, a mounting flange 10 and a plate-shaped glass cover 11 are shown in FIG. 1.
  • the trough-shaped housing 2 is welded to avoid microwave-permeable gaps at the joints or connecting points of adjacent metal sections and therefore forms a microwave-proof hood that largely covers the outside of the lighting opening 6.
  • the area of the socket of the incandescent lamp 4 and the exit of the electrical line connections through the base 3 are critical. This area must be made microwave-tight in the exemplary embodiment described as well as in the prior art.
  • the through opening 9 is as wide as the inside diameter of the hollow cylindrical metal cage 5 (FIG. 3). It is arranged on the end face of the shield cover 5 opposite the base 3.
  • the bulb 4 is behind Removing the glass cover 11 accessible and can be unscrewed from its socket in the base 3 in the direction of a screw axis 13.
  • the metal cage 5 serving as a shield cover is fixedly mounted on the housing 2, preferably welded.
  • the housing surfaces facing the interior of the housing are designed to be reflective, so that the highest possible luminous efficiency can be used for illuminating the cooking space.
  • connection flange 7 is placed directly on the edge of the muffle opening when installing the lights.
  • the attachment to the muffle edge takes place with the aid of a mounting flange 10.
  • the mounting flange 10 carries screw bolts 14 on one side.
  • the screw bolts are arranged in a grid in which the center distance between adjacent bolts is as uniform as possible approximately between 25 and 29 mm. (Only the distance between the bolts flanking the base 3 in the installed position is sufficiently large so that the latter can be easily countered next to the base 3 by means of nuts not shown in the drawing).
  • the mounting flange 10 has an opening 16 corresponding to the lighting opening 6 in terms of size and shape.
  • holes 17 are formed in the connecting flange 7 and in the muffle wall, which are adapted to the diameter of the bolts 14. Between the side of the mounting flange 10 carrying the bolts 14 and the muffle rim surrounding the installation opening, a closed seal with a metallic surface is regularly installed, which ensures the galvanic connection between the mounting flange 10 and the muffle wall or the connecting flange 7.
  • rib-shaped holding members 21 are formed, into which grooves 22 open to the outside are incorporated.
  • suitable catch springs 23 (FIG. 11) engage in the grooves, which firmly press the glass cover 11 with its inner edge 20 from the cooking chamber onto the adjacent surface of the fastening flange 10.
  • the open openings 8 (in the jacket of the metal cage 5) should not exceed a certain cross section, so that the function of the microwave-tight closure of the lamp 4 and its holder does not impair the shielding cover 5.
  • slit-like light passage openings should be avoided.
  • the openings 8 can and should be made as large and dense as possible in the interest of good light output and better heat dissipation.
  • the metal cage can also be designed as a latticework.
  • FIGS. 6 to 8 show a special shielding component 50 which can also be used as a shield cover 5 for the lamp 1 as shown in FIGS. 1 to 3.
  • the component 50 has a sleeve-shaped metal cage 51 with open openings 8 for the passage of light.
  • the metal cage can be made from a rectangular, perforated sheet metal blank which is curved around a central axis 13 and welded along an overlap edge parallel to the axis.
  • a metal flange 52 is connected to the one end face of the metal cage 51 with galvanic contact. The galvanic contact is produced by welding a sleeve-shaped section 53 to the section near the edge of the corresponding sleeve-shaped metal cage 51.
  • Metal cage 51 and metal flange 52 can, however, also be produced as a one-piece molded metal part, for example using the deep-drawing process.
  • Angled Connection tabs 54 are formed on opposite parallel outer edges of the metal flange 52.
  • the connection tabs 54 are used for the galvanic connection of the shielding component 50 to the housing of the stove lamp, as will be explained further below.
  • the cross-sectional shape of both the metal cage 51 and the outline shape of the flange 52 can be adapted to the space and space available in the interior of the stove light.
  • the through opening 9 of the metal cage 51 which is circular here, can be oval or rectangular. The same applies to the approximately rectangular outline shape of the flange 52 shown in the exemplary embodiment.
  • FIGS. 9 and 10 show an installation example of the shielding component 50, shown enlarged in FIGS. 6 to 8, in a stovetop lamp 1 a, which is otherwise similar to that of the first exemplary embodiment.
  • the flange 52 of the component 50 lies against a base wall 30 of the housing 2 holding the base 3.
  • the metal flange 52 and base wall 30 are welded to one another at spot welding points.
  • the connecting tabs 54 are also welded to side walls 31 of the housing 2. In this way, the metal flange 52 is joined to the metallic base wall 30 of the housing 2 to form a double-walled structural unit.
  • the clear width of the metal cage 51 which is open on both end faces should be smaller than the minimum wavelength of the high-frequency waves used.
  • the double-walled design of the 30/52 unit means that there is no need for a shielding extension, so that the base connections can be freely accessible as with normal stove light connections.
  • Figure 9 shows the preferred parallel position of the central axis 13 to the connection plane of the lamp 1a in the muffle wall, not shown. At least smaller angles of attack between, for example, 20 and 80 ° are, however, easily possible, depending on requirements.
  • a minimum distance a of 1.5 mm should remain between the outer circumference of the metal cage 51 and the inside of the bottom wall 32 of the housing 2 in order to avoid arcing in microwave operation.
  • the same also applies to the distance b between the free end of the detent springs 23 and the inner sides of the side walls 31 (FIG. 11).
  • FIGS. 12 to 14 show different embodiments 11a, 11b and 11c of double glass covers, each of which can be used instead of the one-piece glass cover 11 (FIG. 1) in conjunction with the detent springs 23 (FIG. 11) especially for stoves with pyrolytic cleaning options.
  • These double glass covers enable the use of incandescent lamps in the oven light described at the high temperatures typical of pyrolytic cleaning. There are currently no incandescent lamps that can be used at temperatures above 300 ° C. Due to a cavity 40a, 40b and 40c formed between the two glass panes, the temperature reduction between the interior of the oven and the interior of the lamp required for the use of incandescent lamps in the microwave-tight oven light can be achieved.
  • two flat glass panes 41a are kept at a distance via a temperature-resistant seal 42a.
  • the sandwich component consisting of the two flat glass panes and the seal is kept at a distance by a metal border 43.
  • the metal surround has molded metal catches 44 which interact with complementary catches on the housing.
  • two oppositely curved press glasses 41b lie together and are possibly glued to one another along the peripheral edge.
  • a heat-resistant seal 42b is provided on one side of the double glass pane.
  • the temperatures between the cooking space and the interior of the luminaire can be reduced even further by providing at least one of the glasses 41a, 41b, 41c with a thin, partially reflective coating, for example by vacuum vapor deposition.
  • the coating is preferably deposited on the glass side facing the cavity 40a, 40b, 40c.
  • a pressed glass pane 41c is assigned to a flat glass pane 41a.
  • the two disks are kept at a distance by a temperature-resistant seal 42c.
  • a partially circular or oval housing cross section can be provided.
  • the shielding component 50 can be box-shaped.
  • the stove light according to the invention can be used in an analog design and with the same advantages in connection with other light sources, for example with halogen lamps, and with corresponding sockets and bases, for example with plug-in, pin or bayonet bases.
  • the galvanic connections can also be made by soldering, riveting or screwing.
  • a suitably conductive metal ceramic can also be used under certain circumstances.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Electric Ovens (AREA)
  • Electric Stoves And Ranges (AREA)

Claims (14)

  1. Luminaire de four étanche aux micro-ondes, destiné à être monté dans une paroi d'un moufle, délimitant une enceinte de traitement, avec au moins une lampe à incandescence (4), une monture de lampe, associée à la lampe (4), orientée avec cette dernière le long d'un axe central (13), un boîtier métallique (2), avec une paroi de socle (30), traversée par le socle à lampe (3), une collerette de raccordement (7), reliée au boîtier, faisant le tour, dans un plan, d'une ouverture d'éclairage (6) et destinée à fixer le luminaire sur la paroi de moufle, une enveloppe écran (5; 50) métallique, perméable à la lumière et reliée galvaniquement au boîtier et à la collerette de raccordement (7), et un recouvrement en verre (11; 11a; 11b; 11c), séparant l'espace intérieur de boîtier de l'enceinte de traitement, l'enveloppe écran (5; 50) étant composée d'une cage métallique (51), ouverte des deux côtés, en forme de douille, placée autour de l'axe central (13) , et d'une collerette métallique (52) , côté socle, s 'étendant sensiblement radialement, et la collerette métallique étant raccordée à la paroi de socle (30) métallique du boîtier (2), pour constituer un ensemble de structure à double paroi,
    caractérisé en ce que
       l'axe central (13) de la lampe (4) s'étend sensiblement parallèlement au plan de la collerette de raccordement (7);
       l'enveloppe écran métallique (5; 50) recouvre la lampe, au moins depuis le socle de lampe (3), jusqu'au-dessus du filament incandescent, au moins sur sa face tournée vers l'ouverture d'éclairage (6); et
       la collerette métallique (52) de l'enveloppe écran (5; 50) est adaptée en taille et en forme périphérique à la paroi de socle de boîtier (30) entourant le socle de lampe (3), faisant que toute sortie de rayonnement de fuite à travers la paroi de socle (30) est empêchée.
  2. Luminaire de four selon la revendication 1, caractérisé en ce que des languettes en tôle (54) repliées, reliées à des parois de boîtier (31) voisines par l'intermédiaire de pattes, en particulier par soudage, rivetage ou vissage, sont formées d'un seul tenant sur des sections, s'étendant radialement, de la collerette métallique (52).
  3. Luminaire de four selon la revendication 1 ou 2, caractérisé en ce que la cage métallique (51) en forme de douille et faisant le tour est, dans la position de montage dans le boîtier (2), à une distance minimale (a) de par exemple 1,5 mm, de toutes les parois de boîtier (31, 32) métalliques voisines radialement.
  4. Luminaire de four selon l'une des revendications 1 à 3, caractérisé en ce que l'enveloppe écran (5; 50) métallique est en tôle métallique perforée ou en treillis de fil de fer, à ouvertures de mailles d'au maximum 5 mm.
  5. Luminaire de four selon l'une des revendications 1 à 4, caractérisé en ce que la collerette de raccordement (7) est susceptible d'être reliée à une collerette de fixation (10) métallique en forme de cadre et en ce que la collerette de fixation a, sur un côté, des boulons filetés (14) rigides faisant saillie, perpendiculairement au plan de la collerette et disposés en un réseau prédéterminé et pouvant être enfichés dans des trous, disposés en un réseau correspondant, dans la paroi de moufle et dans la collerette de raccordement (7).
  6. Luminaire de four selon la revendication 5, caractérisé en ce que la distance entre les boulons filetés (14) voisins est de 20 à 40 mm, de préférence de 24 à 29 mm.
  7. Luminaire de four selon l'une des revendications 1 à 6, caractérisé en ce que le boîtier (2), l'enveloppe écran (5; 50) métallique, la collerette de raccordement (7) et la collerette de fixation (10) sont en métal résistant à la corrosion, par exemple en acier spécial.
  8. Luminaire de four selon l'une des revendications 1 à 7, caractérisé en ce que, du côté intérieur, tourné vers l'intérieur du boîtier, du recouvrement en verre (11), sont formés d'un seul tenant des organes de maintien (21) en forme de nervure, présentant des contre-dépouilles (rainures 22) coopérant avec des ressorts d'encliquetage (23) fixés sur le boîtier (2), de manière que les ressorts d'encliquetage s'engagent avec ajustement de forme dans les contre-dépouilles du recouvrement en verre.
  9. Luminaire de four selon la revendication 8, caractérisé en ce que l'extrémité libre de chaque ressort d'encliquetage (23) est à une distance minimale (b), de par exemple 1,5 mm, de la paroi latérale (31) voisine du boîtier (2).
  10. Luminaire de four selon l'une des revendications 1 à 9, caractérisé en ce que le recouvrement en verre (11) présente au moins deux verres (41a; 41b; 41a; 41c) et un espace creux (40a; 40b; 40c) entre ceux-ci, pour assurer l'isolation thermique de l'espace intérieur du luminaire par rapport à l'enceinte de traitement voisine.
  11. Luminaire de four selon la revendication 10, caractérisé en ce que les deux verres (41a; 41a, 41c) sont maintenus à distance au moyen de pièces d'étanchéité et/ou d'écartement (42a; 42c) et assemblés au moyen d'une monture (43), de préférence métallique.
  12. Luminaire de four selon la revendication 10 ou 11, caractérisé en ce qu'au moins l'un (41b; 41c) des deux verres présente une courbure agrandissant l'espace creux (40b; 40c).
  13. Luminaire de four selon l'une des revendications 10 à 12, caractérisé en ce qu'au moins l'un des deux verres (41b; 41c) est pourvu, sur une face, de préférence sur la face tournée vers l'espace creux (40a; 40b; 40c), d'un revêtement réfléchissant le rayonnement, de manière que le rayonnement calorifique orienté allant de l'enceinte de traitement dans l'espace intérieur du luminaire soit diminué.
  14. Luminaire de four selon l'une des revendications 1 à 13, avec une enveloppe écran (50) métallique, composée d'une cage métallique (51) en forme de douille, ouverte frontalement, faisant le tour d'un axe central (13), et une collerette métallique (52), s'étendant à peu près radialement, se raccordant à une face frontale, caractérisé en ce que la collerette métallique (52) présente un appendice (53) en forme de douille, relié galvaniquement, par soudage, à la cage métallique (51) de pourtour.
EP88104409A 1987-10-02 1988-03-19 Lampe pour four, étanche aux micro-ondes Expired - Lifetime EP0310741B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8713264U 1987-10-02
DE8713264U DE8713264U1 (de) 1987-10-02 1987-10-02 Herdleuchte für einen Mikrowellenherd

Publications (3)

Publication Number Publication Date
EP0310741A2 EP0310741A2 (fr) 1989-04-12
EP0310741A3 EP0310741A3 (en) 1989-12-20
EP0310741B1 true EP0310741B1 (fr) 1994-07-20

Family

ID=6812700

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88104409A Expired - Lifetime EP0310741B1 (fr) 1987-10-02 1988-03-19 Lampe pour four, étanche aux micro-ondes

Country Status (3)

Country Link
EP (1) EP0310741B1 (fr)
AT (1) ATE108880T1 (fr)
DE (2) DE8713264U1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3808717A1 (de) * 1988-03-16 1989-09-28 Licentia Gmbh Back- und bratofen-muffel mit einer beleuchtungseinrichtung
DE4003736A1 (de) * 1990-02-08 1991-08-14 Miele & Cie Beleuchtungseinrichtung fuer mikrowellenherde
DE4014360A1 (de) * 1990-05-04 1991-11-07 Bosch Siemens Hausgeraete Beleuchtungseinrichtung fuer einen herd
DE4018697A1 (de) * 1990-06-11 1991-12-12 Bosch Siemens Hausgeraete Beleuchtungseinrichtung fuer einen ofen
DE4345353C2 (de) * 1993-02-15 2002-08-14 Bsh Bosch Siemens Hausgeraete Leuchte in einem Mikrowellenofen
DE10122878B4 (de) * 2001-05-11 2015-03-26 BSH Bosch und Siemens Hausgeräte GmbH Beleuchtungseinrichtung für Backöfen
US20090178577A1 (en) * 2008-01-15 2009-07-16 Valentine Richard D Rotisserie oven with high temperature light gasket
US8752538B2 (en) 2008-01-15 2014-06-17 Premark Feg L.L.C. Rotisserie oven with lifting wash arm
US8151697B2 (en) 2008-01-15 2012-04-10 Premark Feg L.L.C. Self-cleaning rotisserie oven with fan shaft seal arrangement
US8375848B2 (en) 2008-01-15 2013-02-19 Premark Feg L.L.C. Self-cleaning rotisserie oven
FR2933769B1 (fr) * 2008-07-11 2010-08-13 Fagorbrandt Sas Four de cuisson a la vapeur comprenant un dispositif d'eclairage

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB734136A (en) * 1953-01-06 1955-07-27 John Arthur Stanley Hodgson A new or improved lighting fitting for tanks and other vessels
AU1015670A (en) * 1969-01-16 1971-07-15 Dominion Auto Accessories Limited Improvements in lamp housing
US4211909A (en) * 1978-05-15 1980-07-08 Sanyo Electric Co., Ltd. Combination microwave and gas oven
JPS5421640A (en) * 1977-07-20 1979-02-19 Matsushita Electric Ind Co Ltd High frequency heater
CA1114453A (fr) * 1977-11-25 1981-12-15 Bernard J. Weiss Combinaison de four a micro-ondes et de four chauffant par resistance
DE2913542A1 (de) * 1979-04-04 1980-10-09 Bosch Siemens Hausgeraete Backofenlampe fuer haushaltbackoefen
DE7915273U1 (de) * 1979-05-26 1980-11-06 Pistor, Ferdinand, 5974 Herscheid Elektrische Leuchte
DE3219326C2 (de) * 1982-05-22 1986-07-10 Brökelmann, Jaeger & Busse GmbH & Co, 5760 Arnsberg Beleuchtungsvorrichtung in einem Backofen oder Kühlschrank
DE3246437A1 (de) * 1982-12-15 1984-06-20 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Mikrowellenofen
DE3428329A1 (de) * 1984-08-01 1986-02-13 Hurst & Schröder GmbH, 5980 Werdohl Elektrische backofenleuchte
US4621180A (en) * 1985-07-08 1986-11-04 Whirlpool Corporation Cavity illumination means for microwave oven
DE3606421C1 (de) * 1986-02-27 1987-04-09 Bosch Siemens Hausgeraete Beleuchtungseinrichtung fuer einen Mikrowellenherd
DE8701927U1 (de) * 1987-02-09 1987-04-09 Bosch-Siemens Hausgeräte GmbH, 8000 München Beleuchtungseinrichtung für einen Mikrowellenherd

Also Published As

Publication number Publication date
DE3850733D1 (de) 1994-08-25
ATE108880T1 (de) 1994-08-15
EP0310741A2 (fr) 1989-04-12
DE8713264U1 (de) 1987-12-03
EP0310741A3 (en) 1989-12-20

Similar Documents

Publication Publication Date Title
EP0310741B1 (fr) Lampe pour four, étanche aux micro-ondes
DE3606421C1 (de) Beleuchtungseinrichtung fuer einen Mikrowellenherd
DE4442572C1 (de) Vorrichtung zum Schutz der Ränder von Öffnungen in Formenkörpern aus Glaskeramik, Glas oder Keramik
EP0271726A2 (fr) Dispositif d'éclairage pour four de boulangerie
DE3827528A1 (de) Vorrichtung fuer die beleuchtung der backmuffel und des garraums
EP0454969B1 (fr) Dispositif d'éclairage pour un four
DE4025734C2 (de) Beleuchtungseinrichtung für einen Ofen
AT398875B (de) Hochfrequenz-heizgerät
DE2937499C2 (de) Mikrowellenherd
DE2844128A1 (de) Mikrowellenofen
DE2913542A1 (de) Backofenlampe fuer haushaltbackoefen
DE3641420C2 (fr)
DE4322946A1 (de) Mikrowellengerät mit Strahlungsheizkörper außerhalb des Garraumes
EP1555486B1 (fr) Porte de four
DE10122878B4 (de) Beleuchtungseinrichtung für Backöfen
DE69014250T2 (de) Mikrowellenofen.
EP0611917B1 (fr) Lampe pour fours de cuisson
DE3928385C2 (fr)
EP0611916B1 (fr) Lampe pour fours à micro-ondes
DE3732689A1 (de) Beleuchtungseinrichtung zum ausleuchten des garraumes eines mikrowellenofens
DE3808718C2 (de) Beleuchtungseinrichtung zum Ausleuchten des Garraumes eines Mikrowellenofens
DE9315496U1 (de) Möbeleinbauleuchte
DE4345353C2 (de) Leuchte in einem Mikrowellenofen
DE202022106278U1 (de) Gargeräteleuchte für Gargeräte mit Mikrowellengarfunktion
EP2746675A1 (fr) Appareil de cuisson pouvant être éclairé

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE ES FR GB GR IT LI NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE ES FR GB GR IT LI NL SE

17P Request for examination filed

Effective date: 19900618

17Q First examination report despatched

Effective date: 19930223

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE ES FR GB GR IT LI NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19940720

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19940720

Ref country code: ES

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19940720

Ref country code: NL

Effective date: 19940720

Ref country code: BE

Effective date: 19940720

Ref country code: FR

Effective date: 19940720

Ref country code: GB

Effective date: 19940720

REF Corresponds to:

Ref document number: 108880

Country of ref document: AT

Date of ref document: 19940815

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3850733

Country of ref document: DE

Date of ref document: 19940825

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19941020

EN Fr: translation not filed
NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 19940720

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Effective date: 19950319

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19950331

Ref country code: CH

Effective date: 19950331

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19960103