EP1930662B1 - Brennofen mit einer Durchlassprofilhöhe für einen konstanten Luftstrom - Google Patents

Brennofen mit einer Durchlassprofilhöhe für einen konstanten Luftstrom Download PDF

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Publication number
EP1930662B1
EP1930662B1 EP07117983.2A EP07117983A EP1930662B1 EP 1930662 B1 EP1930662 B1 EP 1930662B1 EP 07117983 A EP07117983 A EP 07117983A EP 1930662 B1 EP1930662 B1 EP 1930662B1
Authority
EP
European Patent Office
Prior art keywords
air
door
air flow
oven
ventilation channel
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.)
Active
Application number
EP07117983.2A
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English (en)
French (fr)
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EP1930662A2 (de
EP1930662A3 (de
Inventor
Sylvain Raimond
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.)
Groupe Brandt SAS
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Groupe Brandt SAS
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Filing date
Publication date
Application filed by Groupe Brandt SAS filed Critical Groupe Brandt SAS
Publication of EP1930662A2 publication Critical patent/EP1930662A2/de
Publication of EP1930662A3 publication Critical patent/EP1930662A3/de
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Publication of EP1930662B1 publication Critical patent/EP1930662B1/de
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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
    • F24C15/006—Arrangements for circulation of cooling air
    • 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

Definitions

  • the present invention relates to a cooking oven equipped with a device for channeling an air flow of constant section.
  • the present invention relates to domestic cooking ovens in which a cooling device is implemented to improve the cooling performance of the structure and the door of baking ovens during a cooking operation or a cleaning operation.
  • This oven can be pyrolyzed, in which the temperature inside the cooking chamber can reach 500 ° C during pyrolysis cycles.
  • a cooking door generally comprises an inner ice intended to close the cooking chamber, an outer ice-cream, visible on the facade of the cooking appliance and one or more intermediate ice-creams arranged in a door frame between the ice-cream outside and the inner ice.
  • the intermediate windows allow, by creating insulating air slats, and through ventilation creating cooling air flows circulating between the different windows of the door, to limit the temperature rise of the door, especially at the level of the outer ice.
  • Cooking ovens comprising a door provided with a door frame, an inner window, an outer window, one or more intermediate windows, and means for fixing and assembling said windows.
  • These cooking ovens comprise a ventilation device whose air inlet openings are placed in the bottom of the door.
  • the air circulation is generated by a fan creating a depression in the upper part of the door either by direct suction or by a venturi effect. This air flow is intended to ventilate the door of a furnace from bottom to top.
  • These baking ovens also include a discharge vent duct opening at one end of the furnace and above the door to expel air to the outside of the oven by a fan placed at an opposite end of said duct. discharge ventilation.
  • a suction duct is placed between an air inlet opening in the front face of the oven and a suction zone of a fan. Said air inlet opening is in relation to the air circulation of the interior of the door.
  • the flow of air flowing at the outlet of said discharge ventilation duct having a tendency to diverge is sucked by the depression created in the door by the ventilation device of the oven.
  • this airflow loops inside the door and the baking oven.
  • the air introduced for the cooling of the door and the cooking oven is not fresh air from the outside of the oven but it is composed of the air heated by the passage inside the ventilation device from the oven. The heating of the baking oven is high.
  • EP 0 947 776 A2 which describes a cooking oven comprising an air deflection zone formed inside the door closing the cooking chamber.
  • the air deflection zone includes a bottom wall protecting the interior space of the door formed by glass panels and an upper wall of a handle support.
  • the document is also known DE 297 24 430 U1 which discloses a baking oven comprising a door in which is provided an air guide duct between glass panels of said door and an actuating handle of said door.
  • the handle has an inner wall for directing airflow downward.
  • the present invention aims to solve the aforementioned drawbacks and to provide a cooking oven equipped with a device for channeling a constant section of air flow output of at least one ventilation channel to improve the cooling of the door and the structure of the baking oven.
  • the present invention aims a cooking oven comprising a cooking chamber having an opening on the front face closed by a door, said cooking chamber being surrounded by a housing, said cooking oven also comprising a ventilation device provided with at least one ventilation channel placed between the cooking chamber and the housing, said at least one ventilation channel emerging at least on the front face of said oven, the door being provided with at least one inner ice vis-à-vis screw of the opening of the cooking chamber and an outer window positioned towards the outside of said oven, said door also comprising a handle.
  • a height H of the passage section of an air flow F is constant over at least part of a blowing zone of said at least one ventilation channel and over an air deflection zone , the air deflection zone being at least formed outside the baking oven and from the front face of said oven.
  • the air flow F is channeled in a constant height section H in at least a portion of a blowing zone of said at least one ventilation channel and in an air deflection zone to avoid the looping of the air flow. air in the ventilation device and in the oven door.
  • the air flow F is channeled so as not to come into contact with the door handle or any other decor element of the oven to avoid creating turbulence at the air outlet of said at least one ventilation channel opening on the front of the oven.
  • the invention improves the reliability of the baking oven and ensure the safety of the user by avoiding overheating of a component constituting the baking oven.
  • the constant height section H in at a part of a blowing zone of said at least one ventilation channel and in an air deflection zone makes it possible to avoid creating turbulences for the air flow F at the interior of said section.
  • the air deflection zone is constituted by a parallel upper wall and a lower wall to determine the constant height H of the passage section of the air flow F above the door of said furnace.
  • the air deflection zone consists of at least one crossbar positioned below the at least one ventilation channel and at least one air deflector.
  • the air flow F can be oriented in a desired direction depending on the position of the door handle, said at least one ventilation channel opening on the front of the furnace.
  • the air flow F is directed below a door handle by the air deflection zone formed at one end of a blowing zone of said at least one ventilation channel. .
  • the air deflection zone consisting of the cross member and the air deflector, makes it possible to prevent the user from seeing the at least one ventilation channel opening on the front face of the furnace.
  • the aesthetics of the baking oven is improved by positioning the door handle vis-à-vis at least one opening provided on the front face of the oven for the discharge of air by said at least one ventilation channel.
  • the rear wall of the handle is cooled by the flow of air F and allowing the user not to burn himself by manipulating the handle to open or close the door of the cooking chamber.
  • At least a portion of the rear wall of the handle may be an extension of the air deflection zone.
  • the height H of the passage section of the air flow F extends in a range between 10mm and 25mm, and preferably of the order of 20mm.
  • the flow rate of the air flow F of the ventilation device by said at least one ventilation channel makes it possible to ensure the cooling of the elements constituting the cooking oven.
  • the speed of the air flow F can thus be adapted so as not to cause discomfort for the user and to limit the noise level produced by the baking oven.
  • the furnace cooling fan is dimensioned according to the constant height H of the passage section of an air flow F in at least a part of a blowing zone of said at least one ventilation channel and in a zone of air deflection.
  • a baking oven 1 comprises a muffle 2 whose front face 3 is closed by a door 4, and surrounded by a housing 5 comprising an upper wall 6, side walls 7 and a bottom wall 8.
  • the baking oven 1 may comprise a ventilation device 10 having a fan 11 connected to at least one ventilation duct 12 placed in a space 13 between the casing 5 and the muffle 2 and intended to create an air flow between openings input 15 and output 14.
  • the ventilation device 10 comprises at least one suction channel 16, at least one discharge channel 12 and a fan 11.
  • the suction channel 16 has at least one inlet opening 17 front face 3 of the baking oven 1 and at least one outlet opening 18 in a suction zone of the fan 11.
  • Said at least one inlet opening 17 of the suction channel 16 on the front face 3 of the oven 1 is connected at least one outlet opening 19 formed in the door 4.
  • the discharge channel 12 comprises at least one inlet opening 20 in a blowing zone of the fan 11 and at least one outlet opening 14 at the front face 3 of the furnace cooking zone 1 to expel the air towards the outside of the oven 1.
  • this door 4 for cooking chamber 2 can equip a domestic cooking oven 1, and for example an electric cooking oven adapted to implement a pyrolysis cycle for cleaning the cooking chamber 2.
  • the temperature inside the cooking chamber 2 can reach 500 ° C.
  • FIG. figure 2 An embodiment of a door 4 for a cooking chamber 2 is illustrated in FIG. figure 2 .
  • the door 4 includes an outer window 21 intended to come to the front of the device.
  • This outer glaze 21 generally forms a decoration and consists of a transparent surface on its entire surface or at least a major part of its surface to allow viewing of the inside of the cooking chamber 2.
  • the outer ice 21 may be ornamented with a decorative facade 22, for example stainless steel.
  • This outer window 21 is associated with a door frame 23.
  • This door frame 23 is integrally mounted on the outer window 21 by means of a fastening element 24 and various fixing elements of the fixing screw type. which are not described here in detail.
  • the door frame 23 is rectangular and is intended to house an inner window 25.
  • This inner window 25 is removably mounted in the door frame 23 as will be described later.
  • This inner ice 25 is intended to come opposite the cooking chamber 2 and to close an opening 26 thereof.
  • two intermediate windows 27 and 28 are arranged in the door frame 23.
  • the windows 25, 27 and 28 comprise transparent surfaces allowing the user to observe through the door 4 the contents of the cooking chamber 2.
  • the windows 25, 27 and 28 are made of transparent surfaces.
  • the intermediate windows 27 and 28 are mounted in the door frame 23 by means of holding means 29.
  • the outer window 21 is arranged to receive a door handle 30 fixed by bearing on the outer surface 31 of said outer window 21 by known means, such as for example by screwing.
  • Said handle 30 can be screwed into a fastener 24 of the handle 30 generally metal.
  • Said handle 30 may comprise a bar 32 to allow the opening and closing of said door 30 and at least two bases 33 which are fixed on the fixing element 24 and resting on the outer window 21.
  • the inner window 25 facing the opening 26 of the cooking chamber 2 is fixed to the door frame 23 by resilient snap-fastening means 34 or else by means of assembly by gluing.
  • the inner lens 21 can be removably mounted and inserted into a groove 35 formed by the door frame 23.
  • the door frame 23 further comprises at least one recess 36 forming a gripping space at the edge of the intermediate windows 27 and 28.
  • This recess 36 allows the user to move the hand to lift the intermediate windows 27 and 28 during disassembly of these windows 27 and 28.
  • a ventilation device 10 adapted to suck and / or blow air through the door 4 by a direct suction or an effect Venturi, between different ice creams 21, 25, 27 and 28.
  • the door frame 23 comprises slots 37 at respectively the upper edge 38 and the lower edge 39 of the door 4.
  • the door 4 comprises at least three windows 21, 25 and 27 parallel to each other and spaced so as to form two air passages for the flow of an air flow.
  • the door 4 may comprise four windows 21, 25, 27 and 28, two intermediate windows 27 and 28 spaced so as to form three blades. 40, 41 and 42, the central air blade 41 allows the flow of an air flow represented by the arrows P, as illustrated in FIG. figure 1 .
  • the two air knives 40 and 42 placed between the intermediate windows 27 and 28 and said inner 25 and outer 21 window can allow the flow or not of a flow of air.
  • the door 4 also includes two hinges 43 for connecting to the front 44 of the appliance 1. These hinges 43 consist of a metal body, a spring and an arm.
  • Said two hinges 43 allow the opening and closing of the door 4.
  • These hinges 43 consist of a metal body, inside the body of the hinge 43 is placed a spring. These hinges 43 make it possible to keep the door 4 in the closed position and in the open position, in particular to introduce or remove a dish from the cooking chamber 2, and to hold the door 4 in an equilibrium position between the open position and the closed position. .
  • the hinges 43 are connected on the one hand to the door 4 and on the other hand to the front face 3 of a furnace 1 by an arm.
  • a door 4 of a baking oven 1 comprises at least one inner ice 25 and one outer ice-cream 21 mounted on a door frame 23.
  • the outer window 21 is assembled with a crossmember 46, said crossmember 46 being positioned in abutment with a side wall 38 of the door frame 23, and said crossmember 46 being fixed with the door frame 23 by at least one element 45 of less a locking means (not shown) of the door 4.
  • the assembly of the door 4 is fast and simple by minimizing the number of elements constituting said door 4.
  • the locking of the door 4 can be achieved by said at least one element 45 of at least one locking means for all of the cooking oven models 1.
  • Said at least one element 45 of at least one locking means of the door 4 constitutes a means for assembling the door 4 and also a means of locking the door 4. In this way, the fastening means necessary for the assembly of the door 4 are simplified and minimized, hence the cost of obtaining the optimized door 4.
  • Said at least one element 45 of at least one locking means of the door 4 can also serve to detect the contact of the door 4 with the front face 3 of the oven 1 to turn on or off a lamp (not shown) placed at the door. inside the door 4 or in a wall of the cooking chamber 2.
  • said at least one element 45 of at least one locking means of the door 4 ensures a precise positioning with respect to the different elements constituting said at least one locking means. In this way, the locking of the door 4 is guaranteed for each use of the oven 1 safely for the user.
  • Said at least one element 45 of at least one locking means of the door 4 is part of the functional chain of the assembly of the door 4 and thus reduces the functional clearance tolerances between the elements constituting the door 4.
  • Said at least one element 45 of at least one locking means of the door 4 makes it possible to fix the door frame 23 and the crossmember 46 and to block in the closed position the door 4 of the cooking oven 1.
  • the cost of obtaining the baking oven 1 is minimized and the door 4 of the oven 1 can be blocked for each use where the temperature detected by a temperature measuring means (not shown) exceeds a predetermined threshold.
  • the door 4 is assembled by forming subassemblies in order to reduce the number of assembly operations and to reduce the assembly time as illustrated in FIG. figure 5 .
  • the door frame 23 is assembled with at least one hinge 43 and an inner window 25 to form a counter-door subassembly 49.
  • the outer window 21 is assembled with a fastening element 24 and a door handle 30 by screwing means 50, also with the crossmember 46 being fixed on the fastening element 24 to form a door decoration subassembly 51. .
  • the counter-door subassembly 49 and the door decoration subassembly 51 are assembled by said at least one element 45 of at least one locking means of the door 4.
  • the door decoration subassembly 51 can thus be personalized by maintaining a counter-door subassembly 49 identical to all the cooking oven models 1.
  • the door decoration sub-assembly 51 can make it possible to mounting a handle 30, a cross member 46 and an outer mirror 21 customized to each model of the baking oven 1.
  • the method of assembling the counter-door subassembly 49 and the door decoration subassembly 51 is identical to each model by said at least one element 45 of at least one locking means of the door 4.
  • the crossmember 46 can be adapted according to the ventilation device of the cooking oven 1.
  • the crossmember 46 can make it possible to modify the outlet of an air flow F on the front face 3 of a cooking oven 1.
  • said at least one element 45 of at least one locking means comprises fastening means 47 by elastic latching.
  • the assembly of the at least one element 45 of at least one locking means of the crossmember 46 on the door frame 23 can allow easy and fast assembly and disassembly of the door 4 to allow the change of a door. element constituting the door 4 during an intervention of the after-sales service.
  • the assembly time of the door 4 is reduced by using fastening means 47 by resilient latching.
  • the cost of obtaining the door 4 is also minimized by such fastening means 47.
  • the aesthetics of the door 4 of the baking oven 1 is improved by not showing any means of attachment 47 visible to the user.
  • the door frame 23 comprises at least one opening 52 cooperating with at least one opening 53 in the crossmember 46 to allow their attachment by fastening means 47 by resilient snapping of said at least one element 45 of at least one locking means of the door 4.
  • Said at least one aperture 52 and 53 of the door frame 23 and the cross member 46 ensure a precise assembly.
  • the functional chain of the assembly is mainly provided by said at least one aperture 52 and 53 for the positioning of said at least one element 45 of at least one locking means of the door 4.
  • the assembly of the door 4 and particular of the crosspiece 46 and the door frame 23 by said at least one element 45 of at least one locking means is made with a minimum clearance and a low value.
  • said at least one element 45 of at least one locking means of the door 4 is placed precisely to cooperate with said at least one locking means.
  • the locking of the door 4 in the closed position is thus guaranteed by the positioning of said at least one element 45 of at least one locking means of the door 4.
  • said at least one element 45 of at least one locking of the door 4 is a door lock striker 4.
  • the locking of the door 4 can be easily implemented with at least one conventional locking means.
  • the use of at least one means of Conventional locking makes it possible to minimize the cost of obtaining the oven 1.
  • the crosspiece 46 is fixed with the door frame 23 by two locking strikes 45 of the door 4.
  • the door frame 23 is fixed rigidly with the crossmember 26 by the two latching strikes 45 of the door 4.
  • said at least one locking means can be disposed on either side of the vertical median plane passing through the cooking oven 1, or two locking means can be used to lock the door 4 in the closed position.
  • the crossmember 46 is placed on an inner surface of a side wall 38 of the door frame 23.
  • Said at least one element 45 of at least one locking of the door 4 is a plastic part resistant to temperature during a cooking operation or during a pyrolysis cleaning operation.
  • said at least one element 45 of at least one locking means comprises at least one housing 48 cooperating with a finger of a lock assembled on the furnace 1.
  • said at least one locking means comprises a bolt fitting into at least one housing 48 of said at least one locking striker 45.
  • the door 4 of the baking oven 1 comprises at least one intermediate ice 27 or 28 placed between the inner ice 25 and the outer ice 21.
  • the door 4 of the baking oven 1 can be designed to withstand the temperature of 500 ° C inside the cooking chamber 2 during a pyrolysis cleaning mode.
  • Said at least one intermediate ice 27 or 28 can be assembled with holding elements 29.
  • the holding elements 29 are mounted in the corners of said at least one intermediate ice 27 or 28.
  • the holding elements 29 in this embodiment are four in number and intended to be housed at the four corners of the door frame 23. They are thus mounted at the four corners of said at least one intermediate ice 27 or 28.
  • the door frame 23 has four stamped shaped angles 54, as illustrated in FIG. figure 2 , adapted to respectively accommodate each retaining element 29 in the form of a wedge.
  • the inner window 25 comprises at least one resilient snap-fastening means 34 cooperating with the door frame 23.
  • the inner ice 25 is removable and can allow its removal to allow the cleaning of at least one intermediate ice 27 or 28 of the door 4.
  • Said at least one intermediate ice 27 or 28 is also removable from the door 4 by removing the retaining elements 29 of the door frame 23. In this way, each 21, 25, 27 and 28 of the door 4 can be cleaned separately.
  • the device for channeling an air flow F of constant section at the outlet of at least one ventilation channel 12 makes it possible to improve the cooling of the door 4 and the structure of the cooking oven 1.
  • a height H of the passage section of an air flow F is constant over at least part of a blowing zone 73 of said at least one ventilation channel 12 and an air deflection zone 72.
  • the air flow F is channeled in a constant height section H in at least a portion of a blow zone 73 of said at least one ventilation channel 12 and in an air deflection zone 72 to avoid the looping of the air in the ventilation device 10 and in the door 4 of the oven 1.
  • the flow of air F passing through the air deflection zone 72 is directed towards the outside of the cooking oven 1 without the latter being able to return to the at least one ventilation channel 12 and consequently reducing the performance of the ventilation device. ventilation 10.
  • the air flow F is remote from the door 4 of the oven 1 to avoid sucking air from the ventilation device 10 by said at least one opening 58 formed in the lower part of the door 4.
  • the flow of air F leaving the air deflection zone 72 is little or not turbulent and oriented in a determined direction does not cause a return of hot air in the fresh air inlet openings of the cooking oven 1.
  • the air flow F is channeled so as not to come into contact with the door handle 4 or any other decorative element of the oven 1 to avoid creating turbulence at the outlet of said air.
  • the invention improves the reliability of the cooking oven 1 and ensure the safety of the user by avoiding overheating of a component constituting the baking oven 1.
  • the constant height section H in at least a part of a blow zone 73 of said at least one ventilation channel 12 and in an air deflection zone 72 makes it possible to avoid creating turbulences for the air flow. F within said section.
  • the constant height section H in at least a portion of a blow zone 73 of said at least one ventilation channel 12 is preferably between one third and one fifth of the length of said at least one ventilation channel 12.
  • the air deflection zone 72 is constituted by a parallel upper wall 74 and a bottom wall 61 for determining the constant height H of the passage section of the air flow F above the door 4 of said furnace 1.
  • the air deflection zone 73 is constituted by at least one crossmember 46 positioned below said at least one ventilation channel 12 and by at least one air deflector 60.
  • the air flow F can be oriented in a desired direction depending on the position of the door handle 4 and said at least one ventilation channel 12 opening on the front of the furnace.
  • the air deflector 60 can be hidden to contribute to the aesthetics of the baking oven 1. Only the portion of the air deflector 60 serving to give a direction to the air flow F can be visible to the user. This part of the air deflector 60 can make it possible to prevent visualization of the inside of the at least one ventilation duct 12.
  • Said at least one air deflector 60 is positioned at least partly within said at least one ventilation channel 12.
  • the air deflector 60 may also make it possible to maintain the spacing between the upper and lower walls 78 of said at least one ventilation channel 12 of said at least part of a blowing zone 73 where the height H is constant.
  • the flow of air F is directed below a door handle 4 by the air deflection zone 72 formed at one end of a blowing zone 73 of the at least one ventilation channel 12.
  • the air deflection zone 72 consisting of the crossmember 46 and the air deflector 60, makes it possible to prevent the user from seeing the at least one ventilation channel 12 opening on the end face 3 of the oven 1.
  • the aesthetics of the baking oven 1 is improved by positioning the door handle 30 opposite at least one opening 14 formed on the front face 3 of the oven 1 for the discharge of air by said at least one ventilation channel 12.
  • the rear wall 62 of the handle 30 is cooled by the air flow F and allows the user not to burn by manipulating the handle 30 to open or close the door 4 of the cooking chamber 2.
  • At least a portion of the rear wall 62 of the handle 30 may constitute an extension of the air deflection zone 72.
  • the height H of the passage section of the air flow F extends in a range between 10mm and 25mm, and preferably of the order of 20mm.
  • the flow rate of the air flow F of the ventilation device 10 through said at least one ventilation channel 12 makes it possible to ensure the cooling of the elements constituting the cooking oven 1.
  • the speed of the air flow F can thus be adapted so as not to cause discomfort to the user and to limit the level of noise produced by the baking oven 1.
  • the fan 11 for cooling the oven 1 is sized according to the constant height H of the passage section an air flow F in at least a part of a blow zone 73 of said at least one ventilation channel 12 and in an air deflection zone 72.
  • Said at least one air deflector 60 comprises an inclined wall 74 and parallel to an inclined wall 61 of the crossmember 46 to direct the flow of air F towards the outside of the furnace 1 and away from the outer ice 21.
  • the air deflection zone 72 constituted by the air deflector 60 and the crossmember 46 makes it possible to prevent the flow of air F from being closed by at least one opening 15 formed in the lower part of the furnace 1 or in at least one opening 58 formed in the lower part of the door 4.
  • the air discharged to the outside of the furnace 1 by the ventilation device 10 through said at least one ventilation channel 12 makes it possible to orient the air flow F in an inclined direction preventing the user from being inconvenienced. receiving a flow of hot air.
  • the cross member 46 of the air deflection zone 72 may have the characteristics similar to the air deflector 55 which will be described later.
  • the inclination ⁇ of the inclined wall of said at least one air deflector 60 is in a range extending between 20 ° and 50 °, and preferably of the order of 40 °.
  • the flow of air F opening on the front face 3 of the oven 1 by said at least one ventilation channel 12 does not cause any inconvenience to the user receiving a hot air flow in the face or on the upper part of the body.
  • the air flow F is directed towards the outside of the oven 1 without being sucked by at least one opening 15 or 58 formed in the lower part of the furnace 1.
  • Said at least one opening 15 formed in the front face 3 of the oven 1 to cool the structure into leaving an air passage 64 below the furnace 1 and said at least one opening 58 in the lower part of the door 4 are remote from the air flow F to prevent a looping of the air and cause excessive heating of the elements constituting the baking oven 1.
  • the air flow F is oriented so as to be remote from the outer window 21 of the door 4.
  • the width D of the inclined wall 74 of said at least one air deflector 60, illustrated in FIG. figure 9 is substantially equal to the width L of the inclined wall 61 of the crosspiece 46.
  • the air deflection zone 72 is of constant section and keeps the speed of the air flow F.
  • the air flow F does not undergo a divergence or convergence that could increase the noise level during the delivery of air to the outside of the oven 1.
  • the air flow F can not create turbulence which has the effect of reducing the efficiency of the ventilation device 10 of the oven 1 and to create disturbances at the level of said at least one an air outlet opening 14 formed in the front face 3 of the oven 1.
  • the width N of the passage section of the air flow F of said at least part of a blowing zone 73 of said at least one ventilation channel 12, illustrated in FIG. figure 9 is less than or equal to the width D of the passage section of the air flow F of the air deflection zone 72.
  • the width N of the passage section of the air flow F of said at least part of a blow zone 73 of said at least one ventilation channel 12 is dimensioned so as to take account of the pressure losses of said at least a ventilation channel 12. With a width N of said at least a portion of a blow zone 73 of said at least one ventilation channel 12 smaller than the width of the passage section of the air flow F of the zone of air deflection 72 allows, during the flow of air in this zone, to maintain an air flow rate F constant or at least sufficient to cool the elements constituting the oven 1.
  • Said at least a portion of a blow zone 73 of said at least one ventilation channel 12 and the air deflection zone 72 are contiguous.
  • the air flow F is not disturbed by at least one opening creating a turbulence and changing the orientation of said air flow F.
  • the air flow F flows along a smooth wall and homogeneous so as to avoid disturbances and causing a decrease in the efficiency of the ventilation device 10 of the cooking oven 1.
  • the passage section of an air flow F is constant over at least part of a blowing zone 73 of said at least one ventilation channel 12 and over a deflection zone 72.
  • the air flow F circulates in a space of constant section to avoid airflow disturbances.
  • the speed of the air flow F is thus constant and makes it possible to optimize the cooling performance of the cooking oven 1.
  • the air deflection device 55 of the door 4 consists of at least one crossmember 46 comprising at least side walls 56 and at least one upper wall 57.
  • Said air deflection device 55 of the door 4 consists of at least one crosspiece 46 made of thermoplastic material situated in the upper part of the door 4 and extending over the entire width of the door frame 23.
  • This air deflection device 55 of the door 4 is assembled to react elastically against the door frame 23, to absorb the deformations experienced by the windows 21, 25, 27 and 28 constituting the door 4 during operation of the oven cooking 1.
  • the air deflection device 55 and the transom 46 described above may be a single piece as shown in FIGS. Figures 1 to 8 .
  • the first air flow P enters at least one lower air intake passage 58 at the bottom of the door 4 of the cooking oven 1 and exits through at least one upper air outlet passage located in the top of the door 4 and is directed through at least one air inlet opening located at the rear of the air deflector 55, the air outlet area of the air flow F in the upper part of the door 4 is represented by the reference 59.
  • the air deflection device 55 makes it possible to create a door 4 ventilated by the passage of a flow of air P between the inner ice 25 and the outer ice 21.
  • the air sucked into the suction ventilation channel 16 is mixed in the fan 11 with air coming from the outside through at least one opening 15 formed in the upper or lower part of the cooking oven 1 and said outside air having circulated between the housing 5 and the cooking chamber 2.
  • the air mixture is rejected in a discharge ventilation duct 12 towards the front face 3 of the cooking oven 1 to exit through at least one opening 14.
  • the cooking oven 1 comprises a cooking chamber 2 having an opening 26 on the front face 3 closed by a door 4. Said cooking chamber 2 is surrounded by a housing 5 and said cooking oven 1 also comprises a ventilation device 10 provided at least one ventilation channel 12 placed between the cooking chamber 2 and the casing 5.
  • Said at least one ventilation channel 12 opens at least on the front face 3 of said furnace 1.
  • the door 4 is provided with at least one inner window 25 vis-à-vis the opening 26 of the cooking chamber 2 and an outer window 21 positioned towards the outside of said oven 1.
  • the air deflection device 55 illustrated in FIGS. figures 7 and 8 , comprises at least one inclined wall 61 for directing a flow of air F exiting from said at least one ventilation channel 12 on the front face 3 of the oven 1 towards the outside of said oven 1, and said at least one inclined wall 61 of said device air deflection 55 extends beyond the outer ice 21 of the door 4 to maintain the orientation of the air flow F.
  • the air deflection device 55 makes it possible to improve the cooling of the upper part of the door 4 and in particular of the surface of the outer window 21 situated opposite the door handle 30.
  • the air deflection device 55 also allows the rear of the door handle 30 to be cooled to prevent the user from being burned during the handling of the oven door 4.
  • the air deflection device 55 of the door 4 makes it possible to avoid the looping inside the door 4 of the air expelled on the front face 3 towards the outside of the oven 1. In this way, the air sucked into the lower part of the door 4 is fresh and unheated by the operation of the baking oven 1. Therefore, the cooling of the baking oven 1 and in particular of the structure, the components and the door 4 is improved.
  • the air deflection device 55 directs the air flow F in an inclined direction and away from the outer window 21 of the door 4.
  • the air discharged to the outside of the furnace 1 by the ventilation device 10 is oriented in an inclined direction preventing annoyance to the user receiving a flow of hot air.
  • the air deflection device 55 also makes it possible to prevent the user from seeing the at least one ventilation channel 12 opening on the front face 3 of the oven 1 so as to improve the appearance of the cooking oven 1 by positioning the oven.
  • the door 4 of the baking oven 1 comprises a handle 30, said handle 30 comprising at least a portion of a rear wall 62 adapted to cooperate with the air deflection device 55 to guide the flow of air F.
  • the air flow F is oriented in an inclined direction so as to avoid the door handle 4 and without creating turbulence having a pushing effect. of air within said at least one ventilation channel 12.
  • the shape of said at least one rear wall 62 of the handle 30 is adapted so that the flow of air F from said at least one ventilation channel 12 does not encounter obstacles causing disturbances.
  • the shape of said at least one rear wall 62 of the handle 30 comprises a radius R to allow a flow of the air flow F without disturbances.
  • Said radius R of said at least one rear wall 62 of the handle 30 may extend in a range between 5mm and 20mm, and preferably of the order of 10mm.
  • the inclination ⁇ of the inclined wall 61 of the air deflection device 55 is in a range extending between 20 ° and 50 °, and preferably of the order of 40 °.
  • the flow of air F opening on the front face 3 of the furnace 1 by said at least one ventilation channel 12 does not cause any inconvenience to the user.
  • the user does not receive a hot air flow in the face or on the upper part of the body.
  • the air flow F is directed towards the outside of the oven 1 without being sucked by at least one opening 15 formed in the lower part of the oven 1.
  • Said at least one opening 15 formed in the front face 3 of the oven 1 to cool the structure by leaving an air passage 64 below the furnace 1 and said at least one opening 58 in the lower part of the door 4 are remote from the air flow F to avoid a loop of air and cause a excessive heating of the elements constituting the oven 1.
  • the air flow F is oriented so as to be remote from the outer window 21 of the door 4.
  • the inclined wall 61 of the air deflection device 55 protrudes from the outer window 21 of the door 4 in a range extending between 2 mm and 8 mm, and preferably of the order of 4.5 mm.
  • the air flow F is remote from the outer glass 21 of the door 4 to prevent the air from circulating inside the door 4 of the oven 1.
  • the air flow F is directed towards the outside the oven 1 without being sucked by at least one opening 15 or 58 formed in the lower part of the oven 1.
  • the air flow F is detached from the outer surface 31 of the outer glass 21 by a bill-shaped element 63 and of width D so as to prevent any aspiration of the air through the openings 15 or 58 formed in the lower part of the oven 1 for cooling the door 4 and the structure of the oven 1 leaving a passage 64 of air under the cooking chamber 2.
  • the cooling of the door 4 is improved by moving the air flow F away from the door 4 and promoting a fresh air inlet through said at least one opening 58 formed in the lower part of said door 4.
  • an axis B of said at least a portion of a rear wall 62 of the handle 30 of the door 4 is substantially parallel to said at least one inclined wall 61 of the air deflector 55.
  • the air flow F is channeled between the inclined wall 61 of the air deflection device 55 and the at least part of a rear wall 62 of the door handle 30.
  • the air channel formed by the inclined wall 62 of the air deflection device 55 and said at least a portion of a rear wall 62 of the door handle 30 makes it possible to obtain an air outlet towards the air outside the oven 1 from said at least one ventilation channel 12 without air disturbances and without obstacles in the area of said air channel.
  • the inclined wall 61 of the air deflection device 55 extends from the front face 3 of the furnace 1 to beyond the outer window 21 of the door 4 to direct the flow of air F below. the handle 30 of said door 4.
  • the rear wall 62 of the handle 30 is cooled by the flow of air F from said at least one ventilation channel 12 opening on the front face 3 of the oven 1 to prevent the user from burning by manipulating said handle 30 door 4.
  • the inclined wall 61 of the air deflection device 55 extending from the front face 3 of the furnace 1 to beyond the outer window 21 of the door 4 makes it possible to guide the flow of air F while avoiding disturbances. Aerodynamic.
  • the air flow F is guided along the inclined wall 61 without obstacles that may be caused by openings or connection planes of elements constituting the door 4 can not disturb it.
  • the width L of the air deflection device 55 is substantially equal to the width of said at least one ventilation channel 12 opening at least on the front face 3 of the furnace 1.
  • the air flow F opening from the front face 3 of the furnace 1 from said at least one ventilation channel 12 moves without disturbances that can be linked to an element constituting the door 4 such as the handle 30 and more particularly the bases 33 of the handle 30 bearing on the outer surface 31 of the outer door 21 of door 4.
  • the lower part of the air deflection device 55 is substantially at a height E identical to the height of the lower part of the door handle 30.
  • the flow of air F from said at least one ventilation channel 12 having at least one opening 14 formed on the front face 3 of the oven 1 is oriented in a predetermined direction to the lower part of the handle 30 so as to avoid air looping around the handle 30.
  • the air flow F can not move circularly around the handle 30 and cause disturbances at the at least one opening 14 on the front face 3 of the oven 1 of said at least one ventilation channel 12.
  • the lower part of the air deflection device 55 is not visible to the user.
  • the lower part of the handle 30 is lower than the lower part of the air deflection device 55 to allow to guide the flow of air F over a greater distance and avoid that the air flow F has a tendency to rise upwards. In this way, maintaining the inclination ⁇ of the air flow F is guaranteed.
  • the spacing between the inclined wall 61 of the air deflection device 55 and a plane A tangential to a rear wall 62 of a door handle 30 and parallel to said inclined wall is greater than or equal to the height H.
  • the door handle 30 can not create any disturbances on the flow of the air flow F after the said at least one outlet opening 14 of the at least one ventilation channel 12 opening at least on the front face 3 of the oven 1 .
  • the handle 30 is positioned so as not to create a necking of the section having the effect of creating turbulence or to accelerate the flow of air F.
  • the air outlet via said at least one outlet opening 14 of said at least one ventilation channel 12 opening at least on the front face 3 of the oven 1 avoids any disturbance having the effect of reducing the amount of air discharged by said at least a ventilation channel 12.
  • the fan 11 of the ventilation device 10 does not undergo any pressure drop having the effect of reducing its air flow.
  • the air flow F is completely discharged to the outside of the oven 1 without creating an inward loop of the at least one ventilation channel 12.
  • the air deflection device 55 is placed below the at least one ventilation channel 12 opening at least on the front face 3 of said furnace 1.
  • the air deflection device 55 makes it possible to cool the rear wall 62 of the door handle 30 to prevent the user from getting burned during the handling of the oven door 4.
  • the air deflection device 55 of the door 4 makes it possible to avoid the looping inside the door 4 of the air expelled on the front face 3 towards the outside of the oven 1. In this way, the air sucked into the lower part of the door 4 is fresh and unheated by the operation of the baking oven 1. Therefore, the cooling of the baking oven 1 and in particular of the structure, the components and the door 4 is improved.
  • the air deflection device 55 directs the air flow F in an inclined direction and away from the outer window 21 of the door 4.
  • the positioning of the handle 30 relative to the air deflection device 55 is a parameter to be taken into account to avoid airflow disturbances at the outlet of the at least one ventilation channel 12 opening on the front face 3 of the cooking oven 1.
  • the positioning of the handle 30 is effected according to the shape of the rear wall 62 thereof and the inclination ⁇ of the inclined wall 61 of the air deflector 55.
  • the handle 30 is positioned in two values, a first height and a second spacing between said handle 30 and the bill-shaped element 63 of the air deflector 55.
  • the height positioning of the handle 30 can be achieved by the distance T between the high point of the inclined wall 61 of the air deflector 55 and the low point of the lower part of the rear wall 62 of the handle 30, as shown in the figure 8 .
  • the handle 30 is illustrated on the Figures 1 to 8 with different shapes to show the implications of the rear wall 62 of said handle 30 depending on the inclination ⁇ of the inclined wall 61 of the air deflector 55.
  • the air deflection device 55 may consist of the crossmember 46 and an air deflector 60.
  • the crosspiece 46 is placed in the upper part of the door 4 and the air deflector is positioned at the outlet of said at least one ventilation channel 12, and partially placed inside the latter.
  • the air deflector 60 determines an orientation of the air flow F at the outlet of the at least one ventilation channel 12 to prevent the circulation of air passing through the ventilation device 10 from entering the lower part of the door 4 by at least one entrance opening 58.
  • the inclination of the air flow F is guaranteed by the crossmember 46 comprising an inclined wall 61.
  • the inclined wall 61 of the crossmember 46 and the inclined wall 74 of the air deflector 60 are substantially parallel to allow the flow of air F to be inclined in a direction determined by the manufacturer of cooking ovens 1.
  • the air flow F also enables the rear wall 62 of the door handle 30 to be cooled by passing between said rear wall 62 of the handle 30 and the upper part of said door 4.
  • the inclination of the air flow F is defined so as to avoid any airflow disturbances by encountering obstacles on the passage of said air flow F.
  • the handle 30 is positioned and adapted so as to avoid any disturbance of the air flow. F leaving said at least one ventilation channel 12 opening on the front face of the baking oven 1.
  • the inclined walls 61 and 74 respectively of the crosspiece 46 and the air deflector 60 form an air channel of constant height to avoid airflow disturbances having the effect of reducing the cooling of the top of the door and to reduce the efficiency of the ventilation device 10.
  • the inclination ⁇ of the inclined wall 74 of the air deflector 60 and the inclination ⁇ of the inclined wall 61 of the crossmember 46 are substantially identical to obtain an air flow passage F with a minimum of turbulence.
  • the air channel, also called air deflection zone 72, formed by the inclined wall 74 of the air deflector 60 and the inclined wall 61 of the crossmember 46 is at least constituted outside the baking oven 1 and from the front face 3 of said oven 1.
  • This air deflection zone 72 can start at least partly in a blow zone 73 of the at least one ventilation channel 12.
  • Said air deflection zone 72 may also continue beyond the outer surface 31 of the outer glass 21 of the door 4.
  • the air deflection zone 72 may end with a beak-shaped member 63 in the continuity of the inclined wall 61 of the crosspiece 46.
  • This beak-shaped element 63 makes it possible to prevent the flow of air F from closing in the door 4 by detaching said air flow F from the outer surface 31 of the outer window 21.
  • the air flow F is remote of the door 4 by means of the air deflection zone 72 formed by the crosspiece 46 and the air deflector 60.
  • the inclined wall 74 of the deflector 60 is a main element of the change of orientation of the air flow F at the outlet of the at least one ventilation channel 12.
  • the shape of said air deflector 60 is particularly adapted to avoid disturbances
  • the inclined wall 74 of the deflector 60 allows the accompaniment of the change of direction of the air flow F.
  • the shape of the air deflector 60 is adapted to avoid a sudden change of direction of the flow of air flow. air F and limiting the pressure losses associated with the air deflection zone 72 forming a bent portion.
  • a baking oven door 4 comprises at least one inner window 25 and one outer window 21.
  • the inner 25 and exterior window 21 are mounted on a support means, such as a door frame 23.
  • the door 4 comprises a crossmember 46 to form an air channel 65 between said outer window 21 and said crossmember 46.
  • Said crossmember 46 is positioned in abutment with a wall 38 of the door frame 23.
  • At least one opening 68 is formed between at least one upper wall 66 of the outer glass 21 and one wall of the cross-member 46 allowing the flow of an air flow G.
  • Said at least one opening 68 opens at least on the front face of said outer window 21 to allow fresh air to enter the interior of the door 4, said air flow G flows from the outside of said oven 1 to the outside. interior of said door 4.
  • a flow of fresh air G is directed to a vacuum zone 67 by suction to cool the door 4.
  • the outer glass 21 of the door 4 is cooled by the passage of the fresh air flow G and in particular in the zone near the handle 30.
  • the cost of producing the cooling device of the door 4 is minimized by integrating it with a crossmember 46 allowing the assembly of the door 4.
  • An upper wall 66 of the outer window 21 of the door 4 forms a wall of the air channel 65 between said outer window 21 and the crosspiece 46.
  • the air channel 65 is formed in the upper part of the door 4 of the cooking oven 1 to allow efficient cooling of the entire door 4 and particularly the depression zone 67 located near the zone at least one ventilation channel 16.
  • the air channel 65 allows the upper part of the outer window 21 to be cooled by the flow of the air stream G along the upper wall 66 of the latter. .
  • the crosspiece 46 comprises at least one wall extending beyond the outer glass 21 of the door 4 to form a vertical part of the air channel 65 along an outer surface 31 of the outer glass 21 of said door 4.
  • the air flow G makes it possible to cool the upper part of the door 4 and in particular the upper part of the outer window 21.
  • This air channel 65 makes it possible to cool the zone of the outer window 21 near the handle 30 for opening and closing the door 4.
  • This air channel 65 extending vertically along the outer surface 31 of the outer window 25 avoids a looping of the air leaving at least one ventilation channel 12 opening through at least one opening 14 arranged front face 3 of the oven 1.
  • the crosspiece 46 comprises a spacing means 63 of an air flow F of the door 4 to prevent the looping of said air flow F exiting said oven 1.
  • Said extension means 63 of the cross member is a beak-shaped element.
  • the air flow F leaving said oven 1 by at least one ventilation channel 12 is remote from the door 4 and in particular air inlet openings.
  • the air flow F is remote from the door 4 to avoid creating additional heat input.
  • the flow of air F is moved in a direction inclined so as to avoid an air flow along the outer wall of the outer glass 21 of the door 4.
  • the air flow F is moved away by said extension means 63 of the crosspiece 46 to prevent a looping of the hot air leaving said at least one ventilation channel 12 by said fresh air inlet openings of the ventilation device 10 of the oven 1.
  • the air flow G of the air channel 65 has at least one inlet opening 68 between the bill-shaped element 63 of the air deflector 55 and the outer wall 21 of the door 4.
  • the air channel 65 opens into a ventilation duct 69 made between the inner ice 25 and the outer ice 21 of the door 4.
  • a depression is exerted inside the door 4 by the suction generated by a ventilation device 10 to allow the suction of a fresh air flow G from the outside of the door 4 to the door. interior of said door 4.
  • the fresh air flow G of the air channel 65 opens into a ventilation duct 69 formed between the inner ice 25 and the outer ice 21 of the door 4 where a flow of air flows. air P.
  • the air flow P and the air flow G mix to cool the heating of the door 4.
  • the flow of fresh air G is sucked by the air flow P by a depression formed between a ventilation channel of the door allowing a flow of air from bottom to top in said door 4 and the outside of said door 4 .
  • the air flow G makes it possible to cool the upper part of the outer door window 21 and the crossmember 46 by the flow of fresh air inside the air channel 65 coming from outside the oven 1 .
  • the air channel 65 extends over the width K of said at least one wall 63 extending beyond the outer window 21 of the door 4.
  • the outer window 21 and the crossmember 46 are cooled along their entire length by the air channel 65.
  • the air channel 65 of the fresh air flow G makes it possible to uniformly cool the upper part of the door 4 and to particularly the non ventilation area 67 inside the door 4.
  • the air channel 65 has a thickness e extending in a range between 0.3 mm and 2 mm.
  • the thickness e of the air channel 65 is dimensioned according to the cooling required for the upper part of the door 4.
  • the thickness e of the air channel 65 is the means to guarantee the cooling of the door 4 in part high and in particular the non-ventilation zone 67 of the latter.
  • the air channel 65 draws fresh air from the outside through a depression generated inside the door 4. This depression is generated by the ventilation device 10 creating a suction in the door 4 of the bottom up.
  • the pressure at the upper part of the spout-shaped member 63 of an air deflector 55 is greater than the pressure below the spout-shaped member 63 also to create a depression and thus to favor an arrival of fresh air towards the air channel 65.
  • the air channel 65 has a bent shape between the outer ice 21 and the cross 46.
  • the depression exerted inside a ventilation duct 69 formed between the inner ice 25 and the outer ice 21 of the door 4 allows the flow of a fresh air flow G along the outer ice 21 of the door 4, and in particular along the outer surface 31 and the upper wall 66 of said outer glass 21.
  • the flow of fresh air G flows from the outside of the door 4 inwards of it.
  • the outside air is sucked by vacuum into the air channel 65 to be introduced into a space 69 formed between the inner ice 25 and the outer ice 21 of said door 4.
  • the crossmember 46 is fixed to a fastener element 24 assembled with the outer mirror 21, said fastener element 24 comprising at least one opening 70 to allow the flow of a stream of air G from the air channel 65 arranged between the outer ice 21 and the cross 46.
  • Said at least one opening 70 of the fixing element 24 makes it possible to achieve an air flow by minimizing the pressure losses between the air channel 65 and a space 69 formed between the inner ice 25 and the outer ice 21 of the door 4.
  • the crosspiece 46 also comprises at least one opening 71 facing said at least one opening 70 of a fastening element 24. In this way, the air flow of the fresh air flow G is achieved with a minimum of losses.
  • the spacing between the upper wall 66 of the outer window 21 and the crossmember 46 to provide the air channel 65 of the fresh air flow G is achieved by means of flutes located on a bottom wall of said crossmember 46.
  • the crosspiece 46 is placed in abutment with an upper wall 38 of the door frame 23 and below at least one ventilation channel 12, said at least one ventilation channel 12 opening at least on the front face 3 of said oven 1.
  • the cooling of the door 4 is optimized for ventilation of the door 4 comprising a flow of air P flowing at least in a portion of the door 4 from bottom to top.
  • the positioning of the crossmember 46 with respect to the door frame 23 and said at least one ventilation channel 12 makes it possible to guarantee the passage of a stream of fresh air G which is effective so as to cool the non ventilation zone of the door 4 In this way the surface of the outer window 21 vis-à-vis the handle 30 is effectively cooled to avoid any risk of burning the user.
  • the ventilation duct 69 formed between the inner window 25 and the outer window 21 is at least in flow relation with the air channel 65 of the fresh air stream G.
  • the flow of air P flows at least along the outer ice 25 of the door 4 to allow effective cooling of the outer surface 31 of the outer glass 21 of the door 4 and to ensure sufficient suction of the flow fresh air flow G.
  • the air flows P and G are mixed inside the door 4 and then sucked by the ventilation device 10 into a ventilation duct 16, in particular in the upper part of said door 4.
  • the ventilation device 10 creates a depression in the ventilation channel 16 to suck air from the ventilation channel 65 and the channel formed between the outer glass 21 and the inner ice 25.
  • This mixture of air P air flow and G makes it possible to cool the top of the door 4 and to bring fresh air into the ventilation device 10 so as to cool all the members constituting the oven 1.
  • the baking oven 1 comprises a basic structure provided with a cooking chamber 2 having an opening 26 on the front face 3 closed by a door 4.
  • Said cooking chamber 2 is surrounded by a housing 5.
  • Said basic structure also comprises a ventilation device 10 provided with at least one ventilation channel 12 placed between the cooking chamber 2 and the casing 5.
  • Said at least one ventilation channel 12 opens at least on the front face 3 of said furnace 1.
  • the door 4 is provided with at least one inner window 25 vis-à-vis the opening 26 of the cooking chamber 2 and an outer window 21 positioned towards the outside of said oven 1.
  • the baking oven 1 comprises at least one necking means 75 of a passage section of an air flow F at one end of a blowing zone of said at least one ventilation channel 12.
  • Said at least one necking means 75 may be an identical element to the air deflector 60 defined above.
  • Said at least one necking means 75 of a passage section of an air flow F at one end of a blowing zone of said at least one ventilation channel 12 can be positioned at least partially inside. said at least one ventilation channel 12 and makes it possible to modify said basic structure of said furnace 1 of a first air-flow device to at least a second air-flow device.
  • said at least one necking means 75 of a passage section of an air flow F makes it possible to allow the passage of a furnace 1 from a first air-flow device to at least one second air-flow device for adapt to the different decorations of the different models of cooking ovens without modifying the basic structure of said oven 1.
  • Said baking oven 1 comprises a single basic structure for all models to adapt to the different decorations through said at least one necking means 75 of a passage section of an air flow.
  • Said at least one necking means 75 of a passage section of an air flow F is assembled or not during the production of the cooking ovens to customize the decor of the various models according to the brands and markets of marketing.
  • the shape of said at least one necking means 75 of a passage section of an air flow F is adapted to each aeration device of a cooking oven 1 to allow different decorations to be made.
  • Said at least one necking means 75 of a passage section of an air flow F is a part at least partially assembled in a blow zone 73 of at least one ventilation channel 12 and can not be while in motion during the use of the baking oven 1. In this way, the reliability of the baking oven 1 is increased and does not require an adaptation of the air flow device according to the mode of use of the baking oven 1. baking oven 1.
  • Said at least one necking means 75 of a passage section of an air flow F makes it possible to obtain sufficient cooling performance of the cooking oven 1 without the need to modify the ventilation device 10 during use of said oven 1.
  • said at least one necking means 75 of a passage section of an air flow F of a blowing zone 73 of a ventilation channel 12 does not require moving parts for the passage from a first ventilation device to at least a second ventilation device of an oven 1. In this way, the costs of obtaining the various models of cooking ovens provided with such a means of necking 75 of a passage section of an air flow are minimized.
  • the first ventilation device is devoid of said at least one necking means 75 of the passage section of an air flow F, and in that said at least one second ventilation device is provided with said at least one necking means 75 of the passage section of an air flow F.
  • said at least one necking means 75 of the passage section of an air flow F is adapted to be mounted or not in at least a portion of said at least one ventilation channel 12 to allow the passage of a first aeraulic device to at least a second aeraulic device.
  • the basic structure of the baking oven 1 provides a first simple aeraulic device and the lowest cost.
  • the cooling of the elements constituting the baking oven 1 does not require a particular air circulation.
  • the passage of a first ventilation device to at least a second ventilation device of a baking oven 1 makes it possible to modify the section of at least one air outlet opening 14 on the front face 3 of the oven 1 d at least one ventilation channel 12, in particular to obtain a variable width of said at least one air outlet opening 14.
  • said at least one air outlet opening 14 on the front face 3 of the oven 1 of at least one ventilation channel 12 is situated between the lower part of a control panel (not shown) and the upper part of a door 4 closing an opening 26 of a cooking chamber 2.
  • the height of said at least one air outlet opening 14 can be modified by the covering part of it by the control panel.
  • the decrease in height of the at least one air outlet opening 14 may be implemented with a flow of air F coming out substantially horizontally from the front face 3 of the oven 1 in order to prevent the vision of said at least one channel ventilation 12 by the user.
  • the upper part of the door 4 of the cooking oven 1 may comprise an air deflection device 55 for directing the air flow F in an inclined direction.
  • the passage section of the air flow F in at least a portion of the blowing zone of said at least one ventilation channel 12 and in the air deflection zone 72 may be of constant height H, as previously described.
  • Said at least one necking means 75 of the passage section of an air flow F at one end of a blowing zone of said at least one ventilation channel 12 comprises an inclined wall 74 for directing the flow of air F in a predetermined direction.
  • the inclined wall 74 of said at least one necking means 75 of the passage section of an air flow F makes it possible to bypass decorative elements of the door 4 so as to avoid any airflow disturbance at the outlet of said at least one ventilation channel 12.
  • the air flow F leaves the at least one ventilation channel 12 without disturbing and optimizing the performance of the ventilation device 10 of the cooking oven 1.
  • said at least one necking means 75 of the passage section of an air flow F at one end of a blowing zone of said at least one ventilation channel 12 comprises at least one necking element 75 on the width N of said passage section of an air flow F.
  • Said at least one necking element 75 of the width N of said passage section of an air flow F is located inside said at least one ventilation channel 12 and is not visible to the user.
  • said at least one necking means 75 of the passage section of an air flow F at one end of a blow zone of said at least one ventilation channel 12 comprises a necking member 75 on the width N said passage section of an air flow F on either side of a median plane M of said at least one ventilation channel.
  • the air flow F is not disturbed by at least one necking element 75 located on one side of the median plane M of said at least one ventilation channel 12.
  • the distribution of the air flow F is uniform on the width N of the passage section formed inside said at least one ventilation channel 12.
  • each necking element 75 of the width N of said passage section of an air flow F has an identical shape.
  • This characteristic can be implemented in the case of a radial fan 11 or with a channelized blow zone and the air flow is discharged uniformly.
  • the necking elements 75 located on either side of the median plane M of said at least one ventilation channel 12 may be of asymmetrical shape in the case of a radial axial fan 11 where the blowing zone requires a ventilation channel 12 of specific shape, in particular in the form of a helicoid.
  • the passage of the air flow F of the first air flow device is substantially horizontal and the passage of the air flow F of said at least one second air flow device is oriented in a predetermined inclined direction.
  • first air flow device to at least a second air flow device takes place between a first simple device and at least a second more complex air flow device.
  • the height of the passage of the air flow F can be decreased so as to give priority to the aesthetics of the baking oven 1.
  • the air flow F is directed so as not to interfere with the user receiving a flow of air. hot air or to avoid coming into contact with an obstacle decreasing the efficiency of the ventilation device 10.
  • An attachment element 76 is positioned along a median plane M of said at least one ventilation channel 12 to maintain a gap between a bottom wall 77 and an upper wall 78 of said at least one ventilation channel 12.
  • said at least one necking means 75 of a passage section of an air flow F is assembled and fixed inside said at least one ventilation channel 12.
  • Said fixing element 76 makes it possible to obtain a simple assembly and at the least cost while ensuring a proper assembly of the oven 1.
  • Said fixing element 76 makes it possible to prevent a wall 77 or 78 of said at least one ventilation channel 12 from folding back and to reduce the height of the air passage. In this way, the height between the upper wall 78 and the bottom wall 77 of said at least one ventilation channel 12 is guaranteed.
  • the passage of the air flow F of said at least one ventilation device is oriented downwards and below a door handle 4.
  • this a Vogellic device prevents the vision of said at least one ventilation channel 12 by the user and to direct the air flow F in a direction that does not impede the user.
  • the rear wall 62 of the handle 30 is cooled by the passage of the air flow F.

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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)
  • Baking, Grill, Roasting (AREA)
  • Electric Ovens (AREA)

Claims (11)

  1. Backofen, umfassend einen Kochraum (2) mit einer Öffnung (26) auf der Vorderseite (3), die von einer Tür (4) verschlossen ist, wobei der besagte Kochraum (2) von einem Gehäuse (5) umgeben ist, wobei besagter Backofen (1) ebenfalls eine Lüftungsvorrichtung (10) umfasst, die mit mindestens einem Lüftungskanal (12) ausgestattet ist, der zwischen dem Kochraum (2) und dem Gehäuse (5) angeordnet ist, wobei der besagte mindestens eine Lüftungskanal (12) mindestens in die Vorderseite (3) des besagten Ofens (1) mündet, wobei die besagte Tür (4) mit mindestens einer Innenglasscheibe (25) gegenüber der Öffnung des Kochraums (2) und einer Außenglasscheibe (21) ausgestattet ist, die Richtung Außenseite des besagten Ofens (1) angeordnet ist, wobei die besagte Tür (4) ebenfalls einen Griff (30) umfasst, wobei eine Höhe (H) des Durchflussabschnitts eines Luftstroms (F) über mindestens einen Teil eines Blasbereichs (73) des besagten mindestens einen Lüftungskanals (12) konstant ist, wobei ein Luftablenkungsbereich (72) zumindest auf der Außenseite des Backofens (1) und ausgehend von der Vorderseite (3) des Ofens (1) ausgebildet ist, dadurch gekennzeichnet, dass die Höhe (H) des Durchflussabschnitts eines Luftstroms (F) auch über den Luftablenkungsbereich (72) konstant ist.
  2. Backofen nach Anspruch 1, dadurch gekennzeichnet, dass der Luftablenkungsbereich (72) von mindestens einer Querstrebe (46) gebildet wird, die unter dem mindestens einem Lüftungskanal (12) angeordnet ist, und von mindestens einem Luftabweiser (75).
  3. Backofen nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der mindestens eine Luftabweiser (75) eine Wand (74) umfasst, die geneigt ist und zu einer geneigten Wand (61) der Querstrebe (46) parallel verläuft, um den Luftstrom (F) Richtung Außenseite das Ofens (1) und beabstandet von der Außenglasscheibe (21) auszurichten.
  4. Backofen nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Luftstrom (F) unterhalb des Griffs (30) der Tür (4) von dem Luftablenkungsbereich (72) ausgerichtet wird, der an einem Ende eines Blasbereichs (73) des besagten mindestens einen Lüftungskanals (12) eingerichtet ist.
  5. Backofen nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass sich die Neigung (β) der geneigten Wand (74) des besagten mindestens einen Luftabweisers (75) in einem Bereich befindet, der zwischen 20° und 50° beträgt und vorzugsweise bei 40° liegt.
  6. Backofen nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass sich die Höhe (H) des Durchflussabschnitts des Luftstroms (F) in einem Bereich befindet, der zwischen 10 mm und 25 mm beträgt und vorzugsweise bei 20 mm liegt.
  7. Backofen nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass die Breite (D) der geneigten Wand (74) des besagten mindestens einen Luftabweisers (75) im Wesentlichen gleich ist wie die Breite (L) der geneigten Wand (61) der Querstrebe (46).
  8. Backofen nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Breite (N) des Durchflussabschnitts des Luftstroms (F) des besagten mindestens einen Teils eines Blasbereichs (73) des besagten mindestens einen Lüftungskanals (12) kleiner oder gleich ist verglichen mit der Breite (D) des Durchflussabschnitts des Luftstroms (F) des Luftablenkungsbereichs (72).
  9. Backofen nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der besagte mindestens eine Teil eines Blasbereichs (73) des besagten mindestens einen Lüftungskanals (12) und der Luftablenkungsbereich (72) aneinandergrenzen.
  10. Backofen nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der mindestens eine Luftabweiser (75) mindestens teilweise innerhalb des besagten mindestens einen Lüftungskanals (12) angeordnet ist.
  11. Backofen nach einem der Ansprüche 1 bis 7 und 9 bis 10, dadurch gekennzeichnet, dass der Durchflussabschnitts eines Luftstroms (F) über mindestens einen Teil eines Blasbereichs (73) des besagten mindestens einen Lüftungskanals (12) und über einen Luftablenkungsbereich (72) konstant ist.
EP07117983.2A 2006-10-05 2007-10-05 Brennofen mit einer Durchlassprofilhöhe für einen konstanten Luftstrom Active EP1930662B1 (de)

Applications Claiming Priority (1)

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FR0608742A FR2906873B1 (fr) 2006-10-05 2006-10-05 Four de cuisson ayant une hauteur de section de passage d'un flux d'air constante.

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DE102010043341A1 (de) * 2010-11-03 2012-05-03 BSH Bosch und Siemens Hausgeräte GmbH Backofen sowie Backofentür
EP2758718B1 (de) * 2011-09-21 2018-11-14 BSH Hausgeräte GmbH Gargerät mit einer tür
ITTO20111175A1 (it) * 2011-12-19 2013-06-20 Indesit Co Spa Porta per forno
ITMI20120549A1 (it) * 2012-04-04 2013-10-05 Smeg Spa Sistema di ventilazione forzata di un forno domestico e forno domestico comprendente tale sistema di ventilazione forzata
CN112971551A (zh) * 2021-05-06 2021-06-18 广东美的厨房电器制造有限公司 烹饪装置

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DE3246333A1 (de) * 1982-12-15 1984-06-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Haushaltsback- und -bratofen
DE19524369A1 (de) * 1995-07-04 1997-01-09 Bosch Siemens Hausgeraete Backofen
DE29724430U1 (de) * 1996-06-05 2001-04-05 Aeg Hausgeraete Gmbh Tür zum Verschließen der Ofenmuffel eines Back- und Bratofens
DE59808333D1 (de) * 1997-09-04 2003-06-18 Aeg Hausgeraete Gmbh Verfahren zum Kühlen einer Garofentür und Garofen mit Kühleinrichtung
DE19801585A1 (de) * 1998-01-19 1999-07-22 Aeg Hausgeraete Gmbh Verfahren zum Kühlen der Außenumgebung einer Ofenmuffel und Garofen mit Kühleinrichtung
DE59909779D1 (de) * 1998-04-01 2004-07-29 Aeg Hausgeraete Gmbh Garofen mit Kühleinrichtung
EP1022517B1 (de) * 1999-01-25 2004-04-21 CANDY S.p.A. Tür für pyrolytischen Ofen

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ES2616759T3 (es) 2017-06-14
EP1930662A2 (de) 2008-06-11
FR2906873A1 (fr) 2008-04-11
EP1930662A3 (de) 2012-09-05

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