EP1004826A2 - Garofen mit Kühlung und Wrasenabführung - Google Patents
Garofen mit Kühlung und Wrasenabführung Download PDFInfo
- Publication number
- EP1004826A2 EP1004826A2 EP99121987A EP99121987A EP1004826A2 EP 1004826 A2 EP1004826 A2 EP 1004826A2 EP 99121987 A EP99121987 A EP 99121987A EP 99121987 A EP99121987 A EP 99121987A EP 1004826 A2 EP1004826 A2 EP 1004826A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- vapor
- cooling air
- muffle
- opening
- radial fan
- 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.)
- Granted
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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
- F24C15/20—Removing cooking fumes
- F24C15/2007—Removing cooking fumes from oven cavities
-
- 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 relates to a cooking oven.
- Cooking ovens for cooking food have in the generally an oven muffle with one of a muffle wall surrounded muffle interior and one electrically or gas-operated heating device for heating the interior of the muffle on.
- a loading opening provided by a Door is lockable.
- the oven door points in general a window, for example made of glass, through which the muffle interior can be seen during a cooking process is.
- Vapor extractor for removing vapors from the interior of the muffle intended.
- a cooking oven is known from DE 33 46 019 C2 , in which the oven muffle can be heated both by electric radiant heaters (top heat and bottom heat) and by a microwave generator.
- the furnace muffle On its muffle top, the furnace muffle has a vapor opening in a front area facing the door, in which a catalytic afterburner in the form of a porous vapor stone is arranged.
- a fan wheel with fan blades pointing downwards towards the vapor opening, which is arranged in a suction chamber enclosed by a fan housing and, as a radial fan, sucks the air passing through the vapor stone axially out of the muffle interior and blows it out radially through a lateral outlet opening in the fan housing .
- the fan wheel is driven by an electric drive motor via an axis.
- the vacuum suction fan formed in this way by the fan wheel, drive motor and fan housing is only switched on when the microwave generator is in operation.
- an air inlet opening is provided below the furnace door, through which air can flow into the interior of the muffle.
- the furnace muffle is surrounded by cooling air ducts, and in the upper area of a vertical cooling air duct located behind the furnace muffle there is a cooling air blower, which draws in the heated air in the vicinity of the furnace muffle and through a ventilation duct running horizontally above the furnace muffle through an outlet opening above the furnace door blows outside in front.
- the outlet opening of the vapor suction fan also opens into this ventilation channel, so that the vapor extracted and cleaned by the catalyst is blown out to the front with the cooling air. Condensation of vapors on the inside of the furnace door is prevented by the air flow along the furnace door that arises within the muffle.
- the vapor suction fan only sucks vapors from the furnace muffle from the interior of the muffle, but not cooling air from the surroundings of the furnace muffle.
- DE 35 16 847 C2 discloses a cooking oven with electric convection heating and electric radiation heating in the oven muffle.
- a vapor extraction opening is provided in the muffle ceiling, into which an externally heated catalyst is inserted.
- a blower chamber is arranged outside the furnace muffle, in which a double-sided suction radial fan is accommodated.
- the radial fan is a fan wheel with a cutting disc, which enables suction from the opposite directions. In operation, the radial fan sucks air from below from the furnace muffle through the vapor extraction opening and the catalyst into the blower chamber and from above cooling air from the inside of the device outside the furnace muffle.
- the fan chamber is connected to the front of the device with two flow channels, which are separated from one another by a flow guide wall at the level of the lower fan wheel part facing the vapor extraction opening. In the remaining areas, the fan chamber is also separated into an upper and a lower part at the level of the lower fan wheel area.
- the cooling air sucked in from above is essentially directed only radially into the upper flow channel and completely exhausted to the front, while part of the vapor extracted from the bottom is also introduced into the upper flow channel, but mostly into the lower flow channel and is returned via this flow channel as a return line through an inlet opening in the muffle ceiling into the muffle interior. Energy is saved by recycling the cleaned exhaust air.
- the radial fan is a drum rotor.
- a cooking oven with an integrated microwave part is known from DE 38 39 657 C2 .
- This known cooking oven has a shaft-shaped vapor extraction opening on the muffle ceiling, above which a vapor extraction fan is arranged within a fan housing.
- the vapor extraction fan comprises an impeller driven by a motor with fan blades directed downwards towards the vapor extraction opening and with openings through which vapors are sucked in both from below from the cooking space (muffle interior) and from above, cool ambient air.
- the fan housing has an opening on a side facing away from the vapor suction opening, through which the cool ambient air can be sucked in by the fan wheel.
- the vapor sucked in through the vapor extraction opening is mixed with the ambient air and blown out through a flow channel radially towards the front of the device. Cooling air also flows into this flow channel from a cooling air blower arranged in a rear oven area via a magnetron, which cooling air blower had sucked in from an air channel in the area of the rear wall of the appliance from a lower area of the cooking oven. Part of the cooling air flow sucked in by the cooling fan is blown into the cooking space as fresh air via an inlet opening which can be closed by a flap.
- DE 42 11 755 A1 discloses a further known cooking oven with an oven muffle which has a vapor extraction opening in the muffle ceiling, and with a radial fan arranged inside a spiral housing, which radially blows cooling air drawn in from below through an air inlet opening from the interior of the housing into a diffuser channel, which Cooling air leads to the front of a device.
- the vapor extraction opening is connected via a vapor hose to a junction in the diffuser channel.
- the vapor is sucked off through the vapor hose and the vapor discharge opening by the cooling air flow generated by the radial fan by the action of an injector due to the dynamic vacuum generated thereby and blown out to the front with the cooling air.
- the radial fan does not draw the vapors directly axially.
- DE 43 22 360 A1 finally describes a built-in cooker with a cooking oven below a worktop and with a hob arranged in the worktop.
- An exhaust air opening is provided in the cooktop frame, in which an aspirator driven by an electric motor is arranged.
- An open end of a tubular vapor channel is arranged at a distance from the exhaust air opening.
- the vapor channel is connected to a vapor outlet opening in the muffle ceiling of the oven muffle of the oven.
- the suction fan sucks vapors from the interior of the muffle as well as from the side of the housing area above the oven muffle. It is an axial suction fan that blows the flow in the same direction in which it draws it in.
- the invention is based on the object with a single blowers both around a oven muffle cool as well as extract vapors from the interior of the muffle.
- the invention is based on the consideration of the radial fan and to design the blower chamber specifically so that one predetermined, generally relatively low vapor volume flow generates a sufficiently large cooling air volume flow is so that a single radial fan for fume extraction and sufficient to cool the oven.
- the vapor volume flow shouldn't be too big to avoid too much heat from the extracted air Remove the interior of the mold.
- the ratio of the volume flow of the radial fan in the Operation sucked cooling air to the volume flow of the sucked Wrasens is therefore generally at least about 10, especially at least 15, and preferably at least set about 20 and can even be over 25.
- the radial fan comprises in an advantageous embodiment a paddle wheel that forms a base plate in the parting plane (Separating plate) and at the assigned to the cooling air intake Suction area connected to the partition plate and in the cooling air guide vanes essentially perpendicular to the separating plate having.
- the impeller of the radial fan can now on the vapor extraction opening facing side only due to a Promote surface friction on the gas / air base plate.
- Paddle wheel on the suction area assigned to the vapor intake opening however, additional vapor guide vanes whose The height selected is smaller than the height of the cooling air guide vanes.
- the height of the cooling air guide vanes is in particular between about 8 mm and about 40 mm and preferably between about 10 mm and about 25 mm.
- the height of the vapor guide vanes is generally only between about 1 mm and about 5 mm, preferably about 2 mm.
- the cooling air guide vanes and, if available, also the Vapor guide vanes are in an advantageous embodiment curved, in particular continuously convex or concavely curved and preferably in the direction of rotation during operation of the paddle wheel seen convexly curved (backwards curved).
- the blow-out opening of the blower chamber is included a flow channel for discharging the mixture of vapors and cooling air from the oven.
- This flow channel preferably opens above a door that can be locked a loading opening in the muffle wall is intended for introducing food into the cooking space, or in an upper area this door to the outside environment of the oven.
- the Blower chamber with the radial blower above the muffle ceiling the oven muffle arranged.
- the blower chamber can of course also in another place of the oven muffle, in particular the rear wall, be arranged.
- blower housing is particularly a spiral shape of the wall of the blower chamber in the the area surrounding the blow-out area of the radial fan (Side wall) suitable.
- the vapor outlet opening in the muffle wall is preferred with the vapor intake opening in the wall of the Blower chamber connected via a vapor guide duct, the in particular by one located around the furnace muffle wall thermal muffle insulation is performed.
- FIG. 1 shows a cooking oven in a lateral section with an oven muffle 10, a door 9 for closing a loading opening 16 of the furnace muffle 10, through the food to be cooked can be introduced into the muffle interior 15, and a housing 83.
- a blower chamber 3 Above the muffle top 17 of the furnace muffle 10 is a blower chamber 3 with a radial blower 2 arranged.
- the radial fan 2 has one along an axis of rotation A. preferably extended shaft 22 and one on this shaft 22 attached, preferably symmetrical to the axis of rotation A. trained base plate (carrier plate, partition plate) 21 on.
- the base plate 21 is in a directly on the Shaft 22 adjoining inner region dome-shaped (funnel-shaped) indented and in the outside area formed essentially flat.
- a plurality of cooling air guide vanes 20 provided on the base plate 21st attached or molded from this and essentially perpendicularly from the base plate 21 to one Cooling air intake opening 30 in the housing wall 31 of the blower chamber 3 stand out.
- the cooling air intake opening 30 is on the housing cover 33 facing away from the furnace muffle 10 Housing wall 31 of the blower chamber 3 is provided and can especially at the foot of one formed with the housing wall Suction funnel 32 may be arranged.
- This vapor intake port 36 is via a vapor channel 4 with a vapor outlet opening 18 in the muffle top 17 of the oven muffle 10 connected.
- the cooling air intake opening 30, the vapor intake opening 36 and the vapor outlet opening 18 each essentially centrally to the axis of rotation A and preferably also rotationally symmetrical to the axis of rotation A trained.
- the radial fan 2 has on its base plate 21 to the vapor intake opening 36 toward additional fan blades on, referred to as vapor guide vanes 25 are.
- the wall 31 of the blower chamber 3 has another one Opening that is not axial to the axis of rotation A, but perpendicular to it in the radial direction to the front of the oven is directed towards and referred to as blow-out opening 37 is. Otherwise, the wall 31 of the blower chamber 3 in particular the side wall 35 with respect to the circumferential direction the axis of rotation A around the radial fan 2, closed. Via a shaft 22 of the radial fan 2 connected holding device 60 is an electric drive motor 6 for rotating the radial fan 2 around its Axis of rotation A attached.
- the distance between the top Cooling air guide vanes 20 and the cooling air intake opening 30 is denoted by x and the distance between the lower ones Vapor guide vanes 25 and the vapor intake opening 36 with y.
- the vapor channel 4 has one of the vapor outlet opening 18 in the muffle ceiling 17 increasing to the vapor intake opening 36 in the housing base 34 Cross-section, is therefore funnel-shaped or in the form of a Diffuser formed.
- the channel wall 40 and the housing base 34 can in particular with a common sheet metal part be formed so that the funnel-shaped vapor channel 4th Is part of the housing of the blower chamber 3.
- vapor channel 4 Furthermore is within of the vapor channel 4 an upward from the vapor outlet opening 18 extending vapors 41 formed, around which a channel-shaped condensate collecting area 42 is formed is. This has the advantage of being in the colder areas of the duct wall 40 condensing vapor condensate can collect in the condensate collection area 42 and not in the muffle interior 15 and on the inside Food can drip.
- the drive motor 6 switched on, and the radial fan 2 starts around the Axis of rotation A with a predetermined by the drive motor 6 Direction of rotation and speed.
- the rotation is designated by the cooling air guide vanes 20 with K. Cooling air axially, i.e. essentially parallel to the axis of rotation A, sucked in and radial, i.e. perpendicular to the axis of rotation A to the outside, blown out. Since the blower chamber 3 only on the Blow-out opening 37 is open radially to the outside and the rest is completed by the side wall 35, the Cooled air K drawn in completely through the exhaust opening 37 discharged from the blower chamber 3.
- a flow channel 5 connected, via which both the cooling air K as well as the vapor W as a gas mixture up to a blow-out area 55 is led to the front of the oven and there is discharged into the outside space.
- a control panel above the blow-out area 55 50 with one or more controls 51 and with behind the control panel 50 arranged and with the controls 51 connected controls 52, in particular may contain electronic components arranged.
- the Door 9 of the cooking oven is arranged below the blow-out area 55.
- the blow-out area 55 can also at least partly in the upper area of the door 9 itself, for example be provided in or through the door handle, so that also the door 9 or its door handle cooled by the cooling air becomes.
- the cooling air K can in the illustrated embodiment from the entire interior of the furnace muffle 10 Housing 83 are sucked, especially from the upper Area behind the control panel 50 in which the controls 52 are arranged to cool them as well one behind the muffle rear wall 14 and in front of the rear wall of the Housing 83 located flow channel 74 from below. Thereby the surroundings of the furnace muffle 10 are also cooled.
- This section can in particular a front area of the oven that at least the door 9 and possibly the area of Control panel 50 with the temperature sensitive electronic Components in the controls 52 includes.
- FIG 2 shows a side perspective view of a Oven from above, in which the blower chamber 3 by one Housing wall 31 is surrounded by the of the discharge opening 37 side facing substantially cylindrical is designed and towards the blow-out opening 37, for example linear, expanding.
- FIG Intake funnel 32 with the cooling air intake opening 30, the fastening device 60 on the radial fan 2 for the not shown drive motor and the cooling air guide vanes 20 and the base plate 21 of the radial fan located below to see.
- the flow channel 5 is in the FIG 2 embodiment shown by a deflector 58 divided into two partial flow channels, through each a proportion of the mixture K + W from cooling air K and vapors W each have a blow-out area 56 or 57 at or below the control panel 50 is supplied.
- the flow channel 5 further widens toward the blowout areas 56 and 57 its width, so it is in the form of a diffuser.
- the housing wall 31 of the blower chamber 3 can preferably also be formed spirally in a manner known per se, for example from DE 42 11 755 A1 .
- the housing wall 31 of the blower chamber 3 is preferably formed with a bent plate, for example a steel plate.
- FIG. 3 shows the radial fan in a more detailed view 2.
- the cooling air guide vanes 20 and opposite side of the base plate 21, the vapor guide vanes 25 recognizable.
- the cooling air guide vanes 20 and the vapor guide vanes 25 are parallel to the projection Rotational axis congruent one above the other and each in the same direction with respect to the radial direction to Axis of rotation A and the shaft 22 curved, in particular all convex or all concave.
- cooling air guide vanes As special A backward curvature of the cooling air guide vanes has been found to be advantageous 20 and the vapor guide vane 25 proved in the case of an imaginary radial line from the axis of rotation A to the outside through a cooling air guide vane 20 or a vapor guide vane 25 extends all radially outer areas of the corresponding cooling air guide vane 20 or vapor guide vane 25 in the direction of rotation are moved forward.
- the cooling air guide vanes 20 and the vapor guide vanes 25 can also be offset from one another in the circumferential direction, so not be congruent with each other. Can also a different number or shape of cooling air guide vanes 20 and vapor guide vanes 25 on the base plate 21 and / or the cooling air guide vanes 20 and / or the vapor guide vanes 25 also in mutually different ones Distances from each other (asymmetrical Arrangement), then on a corresponding The resulting imbalance must be compensated for. Finally, it can also be used to increase the suction effect one, in particular annular, cover the Cooling air guide vanes 20 may be provided upwards, so that the spaces between the cooling air guide vanes 20 down from the base plate 21 and up are completed by the cover.
- the radial fan 2 can in particular consist of a coherent Be formed body, for example a sheet metal body, in which the cooling air guide vanes 20 and the vapor guide vanes 25 on a base plate 21 made of sheet metal a connection technology are applied, or by punching and bending up sheet metal material are formed. Furthermore, the radial fan 2 can also be made of a plastic exist, for example one made by injection molding Molded body.
- the radial blower 2 simultaneously aspirates the smallest possible amount of vapor from the muffle interior 15 and a comparatively large amount of cooling air from the interior of the housing outside the furnace muffle 10.
- the cooling air intake opening 30 is preferably centric arranged to the axis of rotation A, is in the simplest embodiment circular disk-shaped and has one smaller diameter than the radial diameter of the Radial fan 2.
- the height of the cooling air guide vanes is particularly important 20, i.e. whose dimensions parallel to the axis of rotation A, which in 3 is denoted by H.
- This height H of the cooling air guide vanes 20 is generally between about 4 mm and about 30 mm, in particular between about 10 mm and about 20 mm and preferably between about 15 mm and about 20 mm, for example about 17.5 mm.
- the distance x between the radial fan 2 and the cooling air intake opening 30 is generally set to a value between about 4 mm and 10 mm and in particular between 5 mm and about 8 mm set depending on the operating speed of the radial fan 2.
- At an operating speed of 1860 U / min (revolutions per minute) has a gap distance x proven of about 7 mm.
- With an additional ring-shaped Covering the cooling air guide vanes 20 can be the gap distance x can be reduced to approx. 5.5 mm, especially with a reduced speed of 1600 rpm, too to achieve the same cooling air volume flow VK.
- the vapor guide vanes 25 can in particular like that Cooling air guide vanes 20 can be curved, but can also have a different shape.
- An important parameter is the height of the vapor guide vanes 25, which is denoted by h in FIG is.
- This height h of the vapor guide vane 25 becomes generally chosen between about 1 mm and about 3 mm, in particular about 2 mm, but can also be chosen smaller and in particular only be 0 mm, i.e. that no vapor guide vane 25 are provided and the for suctioning the Wrasen's W required vacuum due to surface friction the base plate 21 of the radial fan 2 is reached.
- the vapor intake opening 36 becomes substantially arranged centrally to the axis of rotation A in order to achieve a uniform To allow suction through the radial fan 2.
- the gap distance y is speed-dependent and is generally between about 1 mm and about 4 mm, in particular between about 1.5 mm and about 3.5 mm set. At a speed of 1600 rpm (without Ring cover 1860 rpm) there is a gap distance y of 3 mm proven.
- the vapor guide vanes 25 allow one greater tolerance in the choice of the gap distance y without through a back pressure under the radial fan 2 into the Muffle interior 15 a tilting of the ventilation system takes place. As a result, the system is against manufacturing tolerances less sensitive.
- the arrangement of the radial fan 2 directly above the vapor outlet opening 18 and the resultant direct vapor extraction can adjust the amount of vapors exactly to the targets become.
- cooling air K and vapors W are also diverted elsewhere, for example in the case of a built-in cooker via the associated one Built-in hob.
- the outlet opening 37 and the subsequent flow channel 5 also to the rear be directed towards the rear wall of the housing 83 and the mixture K + W from cooling air K and vapors W also upwards, for example into an extractor hood or the like become.
- the deflector 58 could also be designed in this way be that a subset of the current K + W to the door handle Cooling is fed.
- blades can be used as radial fans 2 also be provided with a drum fan radial guide vanes.
- vapor intake opening 36 or blow-out opening 37 instead of only one cooling air intake opening 30, vapor intake opening 36 or blow-out opening 37 also each corresponding Openings may be provided, for example in the form of a Hole pattern.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Baking, Grill, Roasting (AREA)
- Electric Ovens (AREA)
- General Preparation And Processing Of Foods (AREA)
Abstract
Description
versehen, und
- FIG 1
- einen oberen Bereich eines Garofens in einem seitlichen Schnitt,
- FIG 2
- einen inneren oberen Bereich eines Garofens in einer Ansicht von seitlich oben und
- FIG 3
- ein Lüfterrad für einen Garofen in einer Ansicht.
- Anzahl, Größe und Gestalt der Kühlluftleitschaufeln 20 des Radialgebläses 2
- Anordnung und Abmessungen der Kühlluftansaugöffnung 30, insbesondere deren Strömungsquerschnitt
- Abstand x der Kühlluftleitschaufeln 20 von der Kühlluftansaugöffnung 30.
- Anzahl, Art und Formgebung der Wrasenleitschaufeln 25
- Anordnung und Abmessungen der Wrasenansaugöffnung 36, des Wrasenkanals 40 und der Wrasenaustrittsöffnung 18, insbesondere deren jeweilige Strömungsquerschnitte
- Abstand y zwischen den Wrasenleitschaufeln 25 oder, bei fehlenden Wrasenleitschaufeln 25, der Grundplatte 21 von der Wrasenansaugöffnung 36 und der Wrasenansaugöffnung 36 sowie dem Gehäuseboden 34 der Gebläsekammer 3.
- 2
- Radialgebläse
- 3
- Gebläsekammer
- 4
- Wrasenkanal
- 5
- Strömungskanal
- 6
- Motor
- 9
- Tür
- 10
- Ofenmuffel
- 15
- Muffelinnenraum
- 16
- Beschickungsöffnung
- 17
- Muffeldecke
- 18
- Wrasenaustrittsöffnung
- 20
- Kühlluftleitschaufel
- 21
- Grundplatte
- 22
- Schaft
- 25
- Wrasenleitschaufel
- 30
- Kühlluftausgangsöffnung
- 31
- Wandung
- 32
- Ansaugtrichter
- 33
- Gehäusedecke
- 34
- Gehäuseboden
- 35
- Gehäuseseitenwand
- 36
- Wrasenansaugöffnung
- 37
- Ausblasöffnung
- 40
- Kanalwandung
- 41
- Wrasenstutzen
- 42
- Kondensatsammelbereich
- 50
- Bedienblende
- 51
- Bedienelement
- 52
- Steuerelement
- 55 bis 57
- Ausblasbereich
- 58
- Ablenkkörper
- 60
- Schaft
- 74
- Zwischenraum
- 83
- Gehäuse
- 84
- Muffelisolierung
- K
- Kühlluft
- W
- Wrasen
- A
- Drehachse
Claims (13)
- Garofen mita) einer Ofenmuffel (10) mit einer Muffelwandung, die einen Garraum (15) umschließt und eine Wrasenaustrittsöffnung (18) aufweist, und mitb) einer Gebläsekammer (3), in der ein Radialgebläse (2) mit einer Drehachse und zwei auf verschiedenen Seiten einer senkrecht zur Drehachse angeordneten Trennebene liegenden Ansaugbereichen und mit wenigstens einem im wesentlichen in Umfangsrichtung zur Drehachse verlaufenden radialen Ausblasbereich angeordnet ist,
wobeic) eine Wandung der Gebläsekammerc1) wenigstens eine in einem der beiden Ansaugbereiche des Radialgebläses angeordnete und mit der Wrasenaustrittsöffnung in der Muffelwandung verbundene Wrasenansaugöffnung (36), durch die das Radialgebläse im Betrieb Wrasen aus dem Garraum ansaugt,c2) wenigstens eine in dem anderen Ansaugbereich des Radialgebläses angeordnete Kühlluftansaugöffnung (30), durch die das Radialgebläse im Betrieb Kühlluft aus einer Umgebung der Ofenmuffel ansaugt, sowiec3) wenigstens eine im Ausblasbereich des Radialgebläses angeordnete Ausblasöffnung (37), durch die das Radialgebläse im Betrieb Wrasen und Kühlluft aus der Gebläsekammer ausbläst,
aufweist und wobeid) das Verhältnis des Volumenstroms der vom Radialgebläse im Betrieb angesaugten Kühlluft zu dem Volumenstrom des angesaugten Wrasens wenigstens etwa 6, insbesondere wenigstens etwa 10 und vorzugsweise wenigstens etwa 15 beträgt. - Garofen nach Anspruch 1, bei dem das Verhältnis des Volumenstroms der vom Radialgebläse im Betrieb angesaugten Kühlluft zu dem Volumenstrom des angesaugten Wrasens auf wenigstens etwa 20, vorzugsweise wenigstens etwa 25, eingestellt ist.
- Garofen nach einem der vorhergehenden Ansprüche, bei dem das Radialgebläse ein Schaufelrad umfaßt, das in der Trennebene eine Trennplatte und an dem der Kühlluftansaugöffnung zugeordneten Ansaugbereich mit der Trennplatte verbundene und im wesentlichen senkrecht zur Trennplatte gerichtete Kühlluftleitschaufeln aufweist.
- Garofen nach Anspruch 3, bei dem das Schaufelrad an dem der Wrasenansaugöffnung zugeordneten Ansaugbereich Wrasenleitschaufeln aufweist, deren Höhe kleiner ist als die Höhe der Kühlluftleitschaufeln.
- Garofen nach Anspruch 4, bei dem die Höhe der Wrasenleitschaufeln zwischen etwa 1 mm und etwa 5 mm, vorzugsweise etwa 2 mm, beträgt.
- Garofen nach einem der Ansprüche 3 bis 5, bei dem die Höhe der Kühlluftleitschaufeln zwischen etwa 8 mm und etwa 40 mm, vorzugsweise zwischen etwa 10 mm und etwa 25 mm, beträgt.
- Garofen nach einem der Ansprüche 3 bis 6, bei dem die Kühlluftleitschaufeln bzw. die Wrasenleitschaufeln, vorzugsweise in der Drehrichtung im Betrieb des Schaufelrades gesehen konvex gekrümmt, verlaufen.
- Garofen nach einem der Ansprüche 3 bis 7, bei dem die Zwischenräume zwischen den Kühlluftleitschaufeln zur Kühlluftansaugöffnung hin wenigstens teilweise mit einer Abdeckung abgeschlossen sind.
- Garofen nach einem der vorhergehenden Ansprüche, bei dem der Abstand des Radialgebläses von der Wrasenansaugöffnung und von dem die Wrasenansaugöffnung umgebenden Bereich der Wandung der Gebläsekammer im wesentlichen auf einen Wert zwischen etwa 1 mm und etwa 4 mm und vorzugsweise zwischen etwa 1,5 mm und etwa 3,5 mm eingestellt ist.
- Garofen nach einem der vorhergehenden Ansprüche, bei dem der Abstand des Radialgebläses von der Kühlluftansaugöffnung und von dem die Kühlluftansaugöffnung umgebenden Bereich der Wandung der Gebläsekammer im wesentlichen auf einen Wert zwischen etwa 4 mm und etwa 10 mm und vorzugsweise zwischen etwa 5 mm und etwa 8 mm eingestellt ist.
- Garofen nach einem der vorhergehenden Ansprüche, bei dem an die Ausblasöffnung der Gebläsekammer ein Strömungskanal zum Abführen des Gemisches aus Wrasen und Kühlluft aus dem Garofen angeschlossen ist, die Muffelwandung der Ofenmuffel eine mit einer Tür verschließbare Beschickungsöffnung zum Einbringen von Gargut in den Garraum aufweist und der Strömungskanal oberhalb der Tür oder in einem oberen Bereich der Tür in die Umgebung des Garofens mündet.
- Garofen nach einem der vorhergehenden Ansprüche, bei dem die Wrasenaustrittsöffnung in der Muffelwandung mit der Wrasenansaugöffnung in der Wandung der Gebläsekammer über einen Wrasenführungskanal verbunden ist.
- Garofen nach einem vorhergehenden Ansprüche, bei dem die Gebläsekammer mit dem Radialgebläse oberhalb der Muffeldecke der Ofenmuffel angeordnet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29821158U | 1998-11-26 | ||
DE29821158U DE29821158U1 (de) | 1998-11-26 | 1998-11-26 | Garofen mit Kühlung und Wrasenabführung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1004826A2 true EP1004826A2 (de) | 2000-05-31 |
EP1004826A3 EP1004826A3 (de) | 2001-09-12 |
EP1004826B1 EP1004826B1 (de) | 2004-08-11 |
Family
ID=8065864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99121987A Expired - Lifetime EP1004826B1 (de) | 1998-11-26 | 1999-11-10 | Garofen mit Kühlung und Wrasenabführung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1004826B1 (de) |
DE (4) | DE29821158U1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2444740A1 (de) * | 2010-10-25 | 2012-04-25 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung zur Ausblasung von Wrasen aus einem Gargerät sowie Gargerät mit einer derartigen Vorrichtung |
EP2083223A4 (de) * | 2006-11-02 | 2017-10-11 | Sharp Kabushiki Kaisha | Vorrichtung zum verdünnen von abgeführtem dampf und kochvorrichtung damit |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10013884C2 (de) * | 2000-03-21 | 2002-05-08 | Aeg Hausgeraete Gmbh | Garofen |
DE10037905C2 (de) | 2000-08-03 | 2002-10-31 | Rational Ag | Garraum mit Über- und/oder Unterdruck |
DE10060155A1 (de) * | 2000-12-04 | 2002-06-20 | Bsh Bosch Siemens Hausgeraete | Gargerät |
ITPN20020011U1 (it) * | 2002-02-20 | 2003-08-20 | Electrolux Professional Spa | Ventola perfezionata per forno di cottura |
DE10229630A1 (de) * | 2002-07-02 | 2004-01-22 | BSH Bosch und Siemens Hausgeräte GmbH | Ofen und Gebläsevorrichtung dafür |
DE60325324D1 (de) * | 2003-03-12 | 2009-01-29 | Whirlpool Co | Verfahren zum Betrieb eines Haushaltsbackofens und Backofen mit einem Kühlgebläse |
DE10341076A1 (de) * | 2003-09-05 | 2005-03-31 | BSH Bosch und Siemens Hausgeräte GmbH | Gargerät |
DE202004015292U1 (de) * | 2004-10-01 | 2006-02-09 | Wss Gmbh | Vorrichtung zum Ansaugen von Frischluft in einem Dampf- und/oder Dampfheißluft- und/oder Heißluft- und/oder Mikrowellengerät |
DE102005003975A1 (de) * | 2005-01-28 | 2006-08-03 | Electrolux Home Products Corp. N.V. | Gargerät |
DE102005044701A1 (de) * | 2005-09-19 | 2007-03-22 | BSH Bosch und Siemens Hausgeräte GmbH | Hocheinbau-Gargerät |
ITVR20060001A1 (it) * | 2006-01-10 | 2007-07-11 | Societa Europea Componenti Elettrici Spa | Ventilatore, particolarmente per la ventilazione di forni da cucina |
DE102008003335B4 (de) * | 2008-01-07 | 2011-02-03 | Rational Ag | Belüftungsleitung für ein Gargerät, Verfahren zum Montieren solch einer Belüftungsleitung in einem Gargerät und Verfahren zur Abführung von Kondensationsflüssigkeit von solch einer Belüftungsleitung |
ITTO20130849A1 (it) | 2013-10-18 | 2015-04-19 | Indesit Co Spa | Apparecchio di cottura domestico |
DE102016211585A1 (de) * | 2016-06-28 | 2017-12-28 | BSH Hausgeräte GmbH | Haushaltsgargerät |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3346019A1 (de) * | 1983-12-20 | 1985-06-20 | Bosch Siemens Hausgeraete | Backofen |
DE8706668U1 (de) * | 1987-05-08 | 1987-07-02 | Bosch-Siemens Hausgeräte GmbH, 8000 München | Backofen |
DE29823447U1 (de) * | 1998-03-09 | 1999-08-05 | BSH Bosch und Siemens Hausgeräte GmbH, 81669 München | Backofen mit Sauggehäuse |
EP0942235A1 (de) * | 1998-03-09 | 1999-09-15 | BSH Bosch und Siemens Hausgeräte GmbH | Backofen mit Sauggehäuse |
-
1998
- 1998-11-26 DE DE29821158U patent/DE29821158U1/de not_active Expired - Lifetime
-
1999
- 1999-10-15 DE DE19949724A patent/DE19949724A1/de not_active Ceased
- 1999-10-15 DE DE19949731A patent/DE19949731A1/de not_active Ceased
- 1999-11-10 EP EP99121987A patent/EP1004826B1/de not_active Expired - Lifetime
- 1999-11-10 DE DE59910187T patent/DE59910187D1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3346019A1 (de) * | 1983-12-20 | 1985-06-20 | Bosch Siemens Hausgeraete | Backofen |
DE8706668U1 (de) * | 1987-05-08 | 1987-07-02 | Bosch-Siemens Hausgeräte GmbH, 8000 München | Backofen |
DE29823447U1 (de) * | 1998-03-09 | 1999-08-05 | BSH Bosch und Siemens Hausgeräte GmbH, 81669 München | Backofen mit Sauggehäuse |
EP0942235A1 (de) * | 1998-03-09 | 1999-09-15 | BSH Bosch und Siemens Hausgeräte GmbH | Backofen mit Sauggehäuse |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2083223A4 (de) * | 2006-11-02 | 2017-10-11 | Sharp Kabushiki Kaisha | Vorrichtung zum verdünnen von abgeführtem dampf und kochvorrichtung damit |
EP2444740A1 (de) * | 2010-10-25 | 2012-04-25 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung zur Ausblasung von Wrasen aus einem Gargerät sowie Gargerät mit einer derartigen Vorrichtung |
Also Published As
Publication number | Publication date |
---|---|
DE19949731A1 (de) | 2000-06-08 |
DE19949724A1 (de) | 2000-06-08 |
DE29821158U1 (de) | 2000-03-30 |
EP1004826A3 (de) | 2001-09-12 |
DE59910187D1 (de) | 2004-09-16 |
EP1004826B1 (de) | 2004-08-11 |
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