EP1956302A2 - Agencement de porte de four doté d'un écran dissipateur de chaleur pour fenêtres de porte de four - Google Patents

Agencement de porte de four doté d'un écran dissipateur de chaleur pour fenêtres de porte de four Download PDF

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Publication number
EP1956302A2
EP1956302A2 EP20080101264 EP08101264A EP1956302A2 EP 1956302 A2 EP1956302 A2 EP 1956302A2 EP 20080101264 EP20080101264 EP 20080101264 EP 08101264 A EP08101264 A EP 08101264A EP 1956302 A2 EP1956302 A2 EP 1956302A2
Authority
EP
European Patent Office
Prior art keywords
oven
oven door
door
assembly
door assembly
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Withdrawn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
EP20080101264
Other languages
German (de)
English (en)
Inventor
Suad Elkasevic
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 EP1956302A2 publication Critical patent/EP1956302A2/fr
Withdrawn legal-status Critical Current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
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/04—Doors specially adapted for stoves or ranges with transparent panels
    • 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
    • F24C15/006—Arrangements for circulation of cooling air

Definitions

  • the invention disclosed herein relates generally to an oven, and more particularly to a oven door assembly that selectively closes an access opening to a oven oven compartment and allows access to that opening and includes a shield that diverts the heat away from an oven door window.
  • Cooking appliances are available, for example, in configurations called built-in ovens, and a commercial type of built-in oven is a double oven that combines two independently operable ovens with or without convection. Such oven combinations can be installed in a kitchen of a living area, in another room of a living area or in another environment so that the single ovens of the oven pair are stacked.
  • a commercially available dual oven configuration also includes a single control panel that allows for control and operation of both ovens, typically above the upper oven of the oven pair.
  • Built-in ovens can offer advantages such as convenient location-optimized access to cooking or baking food and the like.
  • U.S. Patent No. 6,166,353 discloses a freestanding food warmer 10 that may optionally be provided with a pair of oven support members 210 that directly support a built-in oven 14, and in this regard, the stand-alone food heater 10 and the built-in built-in oven 14 may provide a solution for installation of a mounting unit.
  • Each furnace support element 210 is an inverted U-profile with inner walls, a plurality of spaced arranged engaging arms 218, at the lower ends of mounting tabs 220 are located.
  • the tabs 220 are sized to be inserted into a plurality of spaced and collinear slots 222 formed in the upper panel 76 of a thermal drawer.
  • each support member 210 is secured to the base frame 20 of the thermal drawer by inserting the tabs 220 into the slots 222 of the top panel 76 of the outer housing such that the arms 218 engage the top panel 76. Thereafter, screws are used with which the outer wall 216 is fixed to the side walls 70, 72 of the outer housing. It will be apparent from the above description that the assembly and disassembly of the support members 210 can be accomplished by exclusive access to the side walls of the food warmer 10.
  • the upper surfaces 212 of the support members 210 are generally parallel and distant and thus form a generally horizontal support plane 223 for the built-in oven 14.
  • the oven 14 is in the kitchen cabinet housing directly on the upper surfaces 212 of the support members 210.
  • the freestanding food heater 10 directly carries the built-in oven. 14
  • the tabs 228 form frontally aligned engagement surfaces, which engage in the back of a decorative plate of a kitchen and thus prevent that when pulling out of the drawer 22 from the base frame 20 of the base frame 20 of the food heater 10 is pulled out.
  • the common design criterion to be considered is that, for a number of reasons, sufficient cooling air flow and sufficient hot air removal must be ensured.
  • these cooling air flow and hot air discharge are to be designed so that the selected cooking temperatures are maintained in the ovens.
  • a predetermined amount of heated exhaust air will be removed from an oven.
  • This discharged hot exhaust air often contains entrained cooking residues such as food particles, steam, fats and other substances and then the hot exhaust air must be led out of the ovens so that these substances are not in contact with z. B. come near the furnace electric cables and do not rely on such.
  • one design requirement is that the temperature on the outside surfaces of the oven door, including the oven door handles, not exceed a particular value.
  • a cooling air and exhaust air flow arrangement for effectively removing the exhaust air away from the upper furnace and lower furnace while effectively flowing the double oven combination with cooling air to promote the desired cooling the double oven combination.
  • a baking oven door assembly that selectively closes an access opening to a furnace space and allows access to that opening.
  • the oven door assembly includes an outer door panel having a non-opaque disk, an inner door panel having a non-opaque disk, the inner door panel being closer to the oven interior of the oven than the outer door panel, and a middle non-opaque disk and a shield relative to the middle non-opaque disk is mounted, to dissipate the heat away from the middle non-opaque disk.
  • the middle non-opaque disk is mounted between the non-opaque disk of the outer door panel and the non-opaque disk of the inner door panel, with the outer door panel and the inner door panel as well as the non-opaque disk of the outer door panel, the middle non-opaque disk and the non-opaque disk Disc of the inner door panel are aligned with each other so that from a location outside the oven, the interior of the oven chamber can be considered.
  • the central non-opaque disc has an edge surround and the shield contacts the marginal surround of the central non-opaque disc at least in a subsection.
  • the center non-opaque disk is secured to the outer door panel and / or inner door panel and the shield engages the outer door panel and / or inner door panel thus fixing the central non-opaque panel with respect to this door panel (s).
  • an oven with an oven door assembly.
  • a dual oven combination with two ovens and oven door assemblies.
  • Advantageous embodiments of the oven door assembly, the oven and the double oven combination are given in the dependent claims.
  • an electrically or gas powered oven or oven 10 may be used for the preparation and heating of food and other substances.
  • Two units of the oven 10 may be arranged one another to provide a double oven combination and, in addition, such a double oven combination may be configured to be a "built-in" double oven installed, for example, buried in a domestic area - in other words: permanently installed in the household area and integrated into other elements of the household area, so that a continuous external decor is ensured.
  • Such a double-oven combination may consist of two ovens configured as a unit identical to the above-described oven 10, one of which is an upper oven placed at a predetermined distance above the other oven (the lower oven) associated with individual control panel, with which the operation of both the upper and the lower furnace is controlled.
  • the furnace 10 may be operated as either an upper furnace or a lower furnace and includes a frame 16 with a furnace space 18 closed by an oven door assembly 20.
  • the oven door assembly 20 includes a viewing window 22 through which the user can look into the oven compartment 18, e.g. B. to consider the prepared in the oven chamber 18 food.
  • a plurality of door vent openings 24 is formed in the upper surface of the door 20, a plurality of door vent openings 24 is formed.
  • the operation of the oven chamber 18 is controlled by the user by operating the associated individual control panel.
  • a self-cleaning of the oven chamber 18 is controlled by operation of the associated individual control panel.
  • the furnace space generally has sidewalls 26 and 28, a top wall 30, a bottom wall 32, and a back wall 34.
  • an inner heating element (resistance spiral) 36 may be provided in close proximity to the top wall 30 6 are arranged for the grill function.
  • the grill heater 36 may be any known heating element of the prior art and is in contact with, for example, a plug 38 or via its terminals with another type of terminal.
  • gas burners located in the furnace chamber are to be connected to a gas supply.
  • a fan or fan 42 may be arranged in the region of the rear wall 34 in order to ensure the air circulation in the oven chamber 18.
  • the oven door assembly 20 may include an outer door panel 52, which preferably includes a glass panel 54 (to observe the contents of the oven compartment 18).
  • the outer door panel 52 and glass 54 may be exposed to excessive temperatures from the oven compartment 18, such as generated by the member 36 during the self-cleaning cycle of the oven.
  • the oven door assembly 20 may also include an inner door panel 62 that preferably includes a glass panel 64, with the inner door panel 62 being the innermost component of the oven door assembly 20 that is closest to the oven compartment 18.
  • the oven door assembly 20 may also include at least one center pane of glass 72 located between the outer door panel 52, the inner door panel 62, and other interior components of the oven door assembly 20.
  • Various other aspects of the present invention include an air deflector assembly 100 and a glass packet shield 200.
  • FIG. 3 further shows a striking plate 300, which will be described in more detail below.
  • the glass sheet 72 is exposed to the convection heat of the oven, which may typically be in the range of 300 ° F (about 150 ° C) to 500 ° F (260 ° C).
  • the air deflector assembly 100 is located at a suitable location to promote heat removal from the glass sheet 72 and is configured to promote heat removal from the glass sheet 72 by providing a first portion of a stream coming from outside the oven Supply air 98 deflects into a first branch 102A and deflects a second part of the supply air stream 98 into a second branch 102B.
  • a door riser 104A forms an air passage in continuation of the first branch 102A in a cuboidal configuration.
  • a door riser passage 104B continuing the second branch 102B is also formed in a parallelepiped configuration.
  • the door risers 104A, 104B are each formed with a lower inlet opening 110A, 110B, respectively, through which the first and second substreams of the supply air 98 diverted into the respective branches 102A, 102B, respectively, into the respective door riser channel 104A, 104B 104B flows in.
  • the door risers 104A, 104B are each provided with a lower cap piece 112A, 112B, respectively, as in FIG FIG. 4 5, a supplemental channel piece 114A, 114B is provided which statically supports the oven door assembly while generally blocking an open slot 116 formed in the respective door riser channel 104A, 104B.
  • the air deflector assembly 100 is disposed between the outer door panel 52 and the glass panel 72 and, as appropriate, positioned to promote heat transfer away from the glass panel 54.
  • the air deflector assembly 100 receives the relatively cooler supply air stream 98 and divides it into a first split stream and a second split stream, a first branch path 102A and a second branch path 102B, the relatively higher temperature of the glass sheet 72 results in heat exchange between the glass sheet 72 and the air flows in the door channels 104A and 104B. This effect leads to a cooling of the glass pane 54.
  • the Figures 5 As in the Figures 5 .
  • 6, 7A and 7B may be provided in the oven door 20 of the glass package shield 200 to enhance heat dissipation away from the various components of the oven door 20 and thereby minimize the surface temperatures on the outer door panel 52 and the associated glass panel 54.
  • inner glass sheets such as glass sheet 72 may obstruct the cooling air flow in the interior of the door assembly 20 such that the surface of the outer door panel 52 and the associated glass sheet 54 may not receive sufficient convection cooling and build unacceptably high temperatures at their adjacent outer surfaces , Accordingly, a heat intake and discharge system would assist in cooling the interior of the oven door 20.
  • the glass package shield 200 is designed for various functions, including the heat shield function to reduce heat from the glass sheet 72, which is in contact with a part of the glass package shield 200, whereby air flowing against and in contact with a portion of the glass package shield 200 is further heated by the transfer of heat from the glass package shield 200 to the air and further heated air finally flows out of the oven door 20 via the door vent openings 24.
  • the glass packet shield 200 is preferably constructed of a plurality of elongate elements, such as upper element 210, lower element 220, left element 230, and right element 240 Figures 5 and 6 a pair of relatively longer elongate members 210, 220 and a pair of relatively shorter elongate members 230, 240 together forming a generally rectangular shape, it is envisioned that the plurality of elongated members included in the glass packet shield 200 may take any number to form a variety of shapes.
  • the elongated members 210, 220, 230, 240 may be fixedly connected to each other, such as by spot welding or the use of fasteners, or may be detachably connected, as further detailed below.
  • the elongate members 210, 220, 230, 240 are configured to provide maximum heat dissipation and maximum airflow at their surfaces. Since the upper element 210 and the lower element 220 as well as the left element 230 and the right element 240 may each be substantially similar to one another, the structure of the relatively longer elongate elements 210, 220 will be based on the lower element 220 and the construction of the relatively shorter elongate elements 230, 240 discussed with reference to the left element 230.
  • each elongated member may include a planar spacer section 222, 232 which acts as a spacer between the glass packet shield 200 and a wall 66 of the inner panel 62. This distance, and thus the height of the spacer section 222, 232, is configured to promote good heat dissipation.
  • the spacer portion 222, 232 is typically disposed perpendicular to the wall 66 of the inner door panel 62.
  • Each elongated member further has a flat center portion 224, 234 which is connected to the non-wall 66 facing edge of the spacer portion 222, 232.
  • the central portion 224, 234 typically extends outwardly from the spacing portion 222, 232 substantially perpendicularly outward toward the sidewall 68 of the inner door panel 62.
  • the center portion 224, 234 is typically in contact with the glass sheet 72 and may be of dissipate this heat.
  • each elongated element further includes a planar angular web 226, 236 which is in contact with the center section 224, 234 is connected to that edge which the connecting edge between the central portion 224, 234 and spacer portion 222, 232 opposite.
  • the angled web 226, 236 typically extends from the center portion 224, 234 at an angle away from the spacer portion 222, 232 and down toward the wall 66 of the inner door panel 62.
  • individual elongate members may additionally include a second web 228 connected to web 226 at the edge opposite the joint edge between web 226 and center portion 224.
  • the second land 228 typically extends from the land 226 in the same general direction as land 226 but at a smaller angle.
  • the elongate members 210, 220, 230, 240 may be fixedly connected to one another or may be detachable from each other to facilitate the structural process.
  • the elongated elements 210, 220, 230, 240 can be removably mounted or disassembled by utilizing a tab-slot arrangement.
  • the upper member 210 and the lower member 220 may each have a tab portion 252 at their opposite ends, and the left member 230 and the right member 240 each have a slot 254 at their opposite ends.
  • the upper member 210 and the lower member 220 are positioned so that the left member 230 and the right member 240 are disposed in a corresponding relationship.
  • each tab portion 252 on upper member 210 and lower member 220 is engaged with an associated slot 254 on left member 230 and right member 240.
  • the long elements 210, 220, 230, 240 are connected to one another in such a way that they form the glass package shield 200.
  • the left member 230 and the right member 240 may include the tab portion 252
  • the top member 210 and bottom member 220 may include the slot 254 or may be mixed.
  • the long elements 210, 220, 230, 240 can be detachably connected to one another by other means, such as snap connections, press-fit connections, etc.
  • the glass package shield 200 may thus be operated to dissipate heat from a central non-opaque disk, such as disk 72, to an oven door assembly.
  • the glass package shield 200 is configured to engage the outer door panel and / or inner door panel of an oven door assembly and support the center non-opaque panel relative to these panels.
  • the glass package shield 200 has an edge surround configured to be compatible with the inner door panel 62 so that the glass package shield 200 has little clearance when placed in the inner door panel 62.
  • the glass package shield 200 may be operated to fix the disk 72 relative to the inner door panel 62.
  • the cooling of the door assembly 20 may be accomplished by the use of circulating cooling air which functions as a heat sink and removes heat from various components of the entire door assembly and subsequently dissipates it.
  • This air can, as in FIG. 5 shown, air flows A whose air flows around the glass packet shield 200 around and pass between the middle glass pane 72 and inner door panel 62.
  • the flat center portion 224, 234 is typically in contact with the glass sheet 72 and can dissipate heat therefrom. This heat can be passed down via the flat angle web 226, 236 and the optional second web 228.
  • the air streams A which recirculate the elongate members 210, 220, 230, 240, are capable of receiving and extracting extracted heat through the door vent openings 24, which are preferably formed on the inner door panel 62 along the upper side surround wall 68. After exiting the air streams A through the located on the inner door panel 62 door vent openings 24, these air streams can be performed in the direction of the strike plate 300 and through it.
  • the glass package shield 200 is preferably made of a material that can withstand the high temperatures generated in the furnace chamber 18 without cracking or breakage. Suitable materials include metals, ceramics and some heat-resistant plastics.
  • the glass packet shield 200 is preferably made of a heat conductive material that readily reflects heat and / or releases to the ambient air.
  • Metals are the preferred material for making the glass packet 200, with steel being the preferred metal.
  • a coating is used which protects the metal from corrosion at high temperatures.
  • steel is coated with another metal that has a higher reactivity in the electrochemical series, such that when an electrolyte such as humid air is present, the coating metal rather than the steel is attacked.
  • the most preferred coatings are zinc (galvanized) or aluminum, but any coating that reduces rapid corrosion due to high temperature oxidation can be used.
  • the glass packet shield 200 is made of anodized aluminum, which typically has good heat reflection properties and is lightweight.
  • aluminum is an excellent emitter and distributor of the heat passing through the glass parcel plate 200, which is particularly beneficial for heat transfer from the glass parcel plate 200 to the airflow A provided on the outer surface of the glass parcel plate 200 to aid in the door cooling.
  • FIG. 9 is a front view of a double oven combination, intended for installation as a built-in unit in a household area is configured on the FIG. 10 showing a perspective rear view with partial section of the built-in double-boiler combination FIG. 9 is, and on the FIG. 11 which is a perspective view of the built-in double-oven combination FIG. 9 is and represents parts of the decorative elements of the Hauhalt Symposiumes.
  • double oven combination 510 two units of the oven 10 may constitute the double oven combination - hereinafter generally referred to as double oven combination 510 - which dual oven combination 510 is configured to be "built into” a household area - in other words permanently installed in the household area and in other elements of the household area is integrated, so that a continuous external decor is guaranteed.
  • Double oven combination 510 shown includes two ovens each being a unit configured identically to oven 10 described above, one of which is referred to as upper oven 512 and lower oven 514.
  • the dual oven combination 510 further includes a control panel 516.
  • the upper oven 512 and the lower oven 514 are each configured as a convection oven that cooks and heats food and other substances via radiant and convective heat.
  • the dual furnace combination 510 has an integrated cooling air and exhaust air flow arrangement, commonly referred to as integrated airflow assembly 518, which effectively removes exhaust air from the upper furnace 512 and lower furnace 514, while effectively cooling the dual furnace combination 510 with cooling air for the desired cooling of the dual furnace combination 510 becomes.
  • integrated airflow assembly 518 an integrated cooling air and exhaust air flow arrangement
  • the double oven combination 510 attached to a suitable mounting structure suitable, for example, in a kitchen of a flat or in another environment.
  • the recessed mounting of the double oven combination 510 may be desired, with a front panel 520 of the control panel 516 and the respective fronts of the upper oven 512 and lower oven 514 being substantially parallel to and, if desired, flush with certain decorative elements of the kitchen divisional section in which the double oven combination 510 is placed, wherein such a decorative element, for example, may have the shape of a decorative plate 522.
  • the arrangement of the double oven combination 510 in recessed installation with respect to certain decorative elements of the kitchen results in certain load-bearing elements and also decorative elements of the kitchen being in relatively close proximity to the side walls and the top, bottom and back of the double oven combination 510. Due to this multiplicity of adjoining elements of the kitchen and double oven combination 510, there is a particular need to provide a convenient arrangement for effectively removing the exhaust air away from the top and bottom furnaces while effectively flowing the double oven combination with cooling air to promote the desired cooling of the double oven combination, with the integrated airflow arrangement 518 is configured to specifically meet this requirement.
  • the integrated air flow arrangement 518 includes a plurality of correspondingly configured air guiding structures for the flow of the double-oven combination 510 with cooling air and a plurality of appropriately configured exhaust air structures for removing the exhaust air from the oven.
  • FIG. 12 which is a front perspective view in partial section of the built-in double-oven combination 510, and FIG.
  • a lower cooling air stream 528 in the form of ambient air at ambient temperature is drawn from the kitchen into the double oven combination 510 via the strike plate 300 of the lower furnace 514 and an upper cooling air stream 529 in the form of ambient air at ambient temperature via an air inlet 527 above the upper furnace 512 ,
  • the lower cooling air stream 528 is combined with exhaust air emerging from the oven door of the lower furnace 514 immediately after flow of the strike plate 300 of the lower furnace 514, and this combined cooling air exhaust stream flows rearwardly in an intermediate furnace channel 530 which is above the lower one Oven 514 and below the upper furnace 512 is arranged.
  • a lower blower unit 532 provides air movement to promote the rearward movement of the combined cooling air / exhaust air flow in the duct 530 and also facilitates the downward movement of the combined cooling air / exhaust air flow in a half-height back duct 534 extending between the duct 530 and the duct Base channel 524 extends.
  • the mid-high backside channel 534 is configured as an air channel structure through compatibly configured portions of an inner rear wall 536 of the lower furnace 514 and an outer shell member 538, respectively FIG. 13 educated.
  • the striker plate 300, the furnace intermediate channel 530, and the mid-high back channel 534 together define an air guide path that directs a mixture of cooling air and exhaust air from the lower furnace 514 down to the base channel 524 located below the lower furnace 514 is located.
  • the upper ambient air cooling air flow 529 is drawn in from the kitchen into the double oven combination 510 through the inlet member 527 above the upper oven 512 and flows into an upper channel 540 toward the rear of an upper blower unit 542. Exhaust leaves the upper furnace 512 via a plenum 544 and merges with the upper cooling air stream 529 just before the upper blower unit 542.
  • the upper blower unit 542 provides air movement to promote the downward movement of the combined cooling air exhaust air stream in a high back channel 546 extending between the upper channel 540 and the base channel 524.
  • the high back channel 546 is as air duct structure according to FIG.
  • the air inlet 527, the upper channel 540, and the high rear channel 546 collectively define an air routing path that directs a mixture of cooling air and exhaust air from the upper furnace 512 down to the base channel 524 extending below the lower channel Oven 514 is located.
  • Cooling air also flows in a pure cooling air path 552 formed between the inner rear wall 550 of the upper furnace 512, the outer casing member 548, the inner rear wall 536 of the lower furnace 514, and the outer casing member 538, and this pure cooling air path 552 includes cooling air has passed through the upper cooling air flow 529 in the double oven combination 510, but was not combined with exhaust air of the upper furnace 512 from the collector 544.
  • This cooling air flows downwardly in a volume bounded by the inner back wall 550 of the upper furnace 512, the outer housing member 548, the inner rear wall 536 of the lower furnace 514, and the outer housing member 538 outside the half-height back channel 534 and high back channel 546 ,
  • the cooling air flowing through the pure cooling air path 552 ultimately flows into the base channel 524 and mixes there with the combined cooling air exhaust air stream from the half-height back channel 534 and high back channel 546 and then leaves the double furnace combination 510 as exhaust air stream 531 through the bottom grid outlet 526.
  • the striking plate 300 is disposed above the furnace chamber of the lower furnace 514 and at an upper front portion of the lower furnace frame 16.
  • the striking plate 300 is particularly configured to deliver the exhaust air exiting the door 20 of the lower furnace 514 into the furnace intermediate channel 530, which is above the lower furnace 514 and below the upper furnace 512, while at the same time passing cooling air into the furnace intermediate channel 530 becomes.
  • the striking plate 300 is formed of steel, stainless steel, or other suitable steel or alloy material having corresponding openings and geometric configurations.
  • the striking plate 300 includes a projecting elongated protrusion element 302 which projects outwardly (ie, in FIG Cantilevered in the direction of the household area in which the double oven is installed), and the projection (ie the depth) of this projection element 302 is selected so that an outermost edge 304 of the projection element 302 reaches almost to the inner surface of the door 20 of the lower oven 514, when the door 20 of the lower oven 514 is in the oven space closure position.
  • the striker plate 300 is mounted on the frame 16 of the lower furnace 514 so that the outermost edge 304 of the protrusion 302 is vertically slightly lower than the upper surface of the door 20 of the lower furnace 514 - ie lower than the uppermost horizontal surface of the door 20 of the lower oven 514 when the door 20 is set to close off the oven cavity.
  • the striker plate 300 also includes a plurality of door air intake openings 306 formed under the protrusion member 302 in the striking plate 300, a lock hook through hole 308 formed longitudinally below the protrusion member 302 in the strike plate 300, and a plurality of cooling air inlet openings 310 are formed over the supernatant 302.
  • a lock hook (not shown) engages the door 20 through the lock hook passage opening 308 in the corresponding lock structure (not shown).
  • Air that has passed through the interior of the door 20 of the lower oven 514 has a higher heat content, as described above with respect to the operation of the air deflector assembly 100 and the glass package shield 200, and the heated air ultimately leaves the door 20 of the lower oven 514 through the plurality of door vent openings 24 formed in the upper surface of the door 20 of the lower oven 514.
  • the configuration of the protrusion element 302 and its installed position relative to the door 20 of the lower oven 514 cause the heated air exiting the door 20 through the door vent openings 24 formed in the upper surface of the door 20 to be deflected by the projecting protrusion element 302 is passed through the striking plate 300 and thereafter into the furnace intermediate channel 530.
  • the projecting projection element 302 is formed as an elongated portion with a lower-side extension 312 and an upper-side extension 314.
  • the lower-side extension 312 and an upper-side extension 314 together form the outermost edge 304, and the lower-side extension 312 and an upper-side extension 314 form an included acute angle UT.
  • a plurality of lower-side openings 316 are formed, and each of these lower-side openings 316 may take any desired shape, for example, an oblong shape as in FIG FIG. 14 shown.
  • the lower-side openings 316 extend completely through the lower-side extension 312 of the projection element 302 and allow the same during operation Passage of heated air flowing out of the door 20 through door vent openings 24 formed in the upper surface of the door 20. After passing through these lower-side openings 316, the heated air enters the furnace intermediate channel 530. As will be seen, the projection 302 conveys the flow of heated air from the upper-side doorways 24 of the door 20 through either the door air-intake openings 306 of the strike plate 300 or through the lower-side openings 316 which extend through the underside extent 312 of the protrusion element 302.
  • the cooling air intake ports 310 formed above the protrusion member 302 are arranged with respect to the protrusion member 302 such that the cooling air in the form of room temperature ambient air is passed through the protrusion member 302 toward and then into the cooling air intake ports 310 0, whereupon the cooling air flows into the furnace intermediate passage 530 and mixes there with the heated air which, after exiting the door 20, has been guided by the striking plate 300 into the furnace intermediate passage 530.
  • the integrated cooling air and exhaust air flow arrangement 518 is thus configured to affect the heat dissipation of the dual oven combination 510, in which the two ovens are arranged so that the upper oven 512 is above and in relative proximity to the lower oven 514.
  • the integrated cooling air and exhaust air flow arrangement 518 affects the heat dissipation of the dual furnace combination 510 by having the integrated cooling air and exhaust air flow arrangement 518 having a first air routing path leading a mixture of cooling air and exhaust air from the upper furnace down to the base channel located below the lower furnace. with a second guide path leading a mixture of cooling air and exhaust air from the lower furnace down to the lower channel underlying the base channel, and configured with a striking plate located above the access opening to the furnace chamber of the lower furnace and below the upper furnace ,

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)
EP20080101264 2007-02-06 2008-02-04 Agencement de porte de four doté d'un écran dissipateur de chaleur pour fenêtres de porte de four Withdrawn EP1956302A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/703,558 US8857422B2 (en) 2007-02-06 2007-02-06 Oven door assembly having shield for drawing heat away from an oven door window

Publications (1)

Publication Number Publication Date
EP1956302A2 true EP1956302A2 (fr) 2008-08-13

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EP20080101264 Withdrawn EP1956302A2 (fr) 2007-02-06 2008-02-04 Agencement de porte de four doté d'un écran dissipateur de chaleur pour fenêtres de porte de four

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EP (1) EP1956302A2 (fr)

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EP2390581A1 (fr) * 2010-05-28 2011-11-30 Miele & Cie. KG Four
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EP2592354A1 (fr) * 2011-11-14 2013-05-15 BSH Bosch und Siemens Hausgeräte GmbH Appareil de cuisson avec une porte abaissable dans le boîtier de l'appareil de cuisson
BE1020664A4 (nl) * 2012-11-26 2014-02-04 Ifire Bvba Raamlijst voor een haardliftdeur, haardliftdeur en haard.
US9125537B2 (en) 2010-09-30 2015-09-08 Samsung Electronics Co., Ltd. Upright vacuum cleaner

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