EP0947776A2 - Four à dispositif de refroidissement - Google Patents
Four à dispositif de refroidissement Download PDFInfo
- Publication number
- EP0947776A2 EP0947776A2 EP99106660A EP99106660A EP0947776A2 EP 0947776 A2 EP0947776 A2 EP 0947776A2 EP 99106660 A EP99106660 A EP 99106660A EP 99106660 A EP99106660 A EP 99106660A EP 0947776 A2 EP0947776 A2 EP 0947776A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- oven
- air
- muffle
- handle
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/02—Doors specially adapted for stoves or ranges
- F24C15/024—Handles
-
- 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 and a method for Cooling the outside environment of an oven muffle.
- pyrolytic Self-cleaning pyrolysis of the oven muffle known which heats the interior of the muffle to temperatures of up to about 500 ° C and the cooking residues in easily removable Ashes are converted. Because of the high temperatures special measures are required for pyrolytic self-cleaning be taken to the muffle door at the front and especially the door handle also during pyrolysis below a temperature critical for humans to keep.
- an oven muffle door usually an inner pane facing the muffle and an outer pane applied by the muffle on.
- an additional washer used for thermal insulation, and the Oven muffle environment is enforced by convection a cooling fan cooled.
- an oven is known with one of the oven muffle and a door for closing the oven muffle, the front window and an inner window which are connected to one another via a door housing, and a handle strip for opening and closing above the front window and the door housing (Handle) the door with your hand.
- the handle bar extends over the entire door width and has a horizontally running flow diaphragm and a roof-like extension in the front area that can be pulled down by hand to engage.
- This approach is the real handle.
- a cooling fan is now arranged above the furnace muffle, which sucks in cooling air from a muffle environment and blows out to the front through a blow-out duct formed between the handle strip and the door housing and the upper edge of the front pane.
- the cooling air is thus guided through the part of the blow-out channel that runs horizontally between the flow orifice of the handle bar and the top of the door housing and then directly meets the handle of the handle bar that forms the actual handle, which deflects the cooling air obliquely towards the bottom at the front.
- the handle itself is used to direct the air flow.
- a user grips the handle with his hand to open the door his hand is always in the cooling air flow mixed with the vapor. This can be perceived as unpleasant, especially because of the soiling of the hand by the vapors and also because of the relatively warm air flow itself.
- the oven door for closing the oven muffle has a handle strip which closes the oven door upwards and extends over the entire door width and projects forward like a roof.
- the handle bar is designed as an injection molded part and has a breakthrough in a central area, in front of which a bow-shaped or a shell-shaped handle for handling the door is formed.
- the handle bar In two lateral areas to the left and right of this handle, the handle bar is in the form of a roof which is initially horizontally drawn towards the front and then closed at the front end and closed and each has an air flow opening.
- In the furnace housing, behind the handle bar there are outlet openings extending over the entire width of the stove housing for blowing out cooling air and vapors heated above the furnace muffle.
- a hump is provided as a flow deflector on the grip bar and flow deflection ribs angled roof-shaped behind the handle in the rear area of the grip bar.
- the hump directs a substantial part of the cooling air and vapors emerging from the outlet openings arranged in the middle area in the hearth housing upwards and above the handle to the outside. This air flow above the handle also draws air from below through the opening in the handle bar to cool the handle.
- the flow deflection ribs direct the rest of the cooling air and vapors escaping in the central area directly to the air flow openings in the lateral areas of the handle bar and prevent heated cooling air and vapors from escaping below the handle.
- a fairly elaborate handle strip is required to split the average air flow into the three partial flows.
- the invention is based on the object, a oven door, which can be cooled efficiently, and a process for cooling the outside environment of a muffle in a stove and indicate its oven door.
- Air routing through the air routing area should be such that the flow direction from at least one air outlet opening runs obliquely downwards, i.e. the air flow a vectorial pointing downward from the door handle Has component.
- Each air outlet opening of the air duct area can also at least partially behind the door handle on the same Height must be arranged.
- each air outlet opening staggered downwards away from the door handle. It can then change the flow direction from the or the air emerging from the air outlet openings is also flatter, especially even horizontal (horizontal), directed be.
- the air outlet openings can be arranged.
- the air outlet openings extend preferably over a large part of the width the front, in particular at least 70% and preferably at least 80% of the front width to achieve a high volume flow the cooling air if the altitude is not too great to enable a viewing window.
- the door handle too can spread across such a width of the front in horizontal Extend direction.
- the oven door has an at least partially optically transparent outer pane.
- the at least one The air outlet opening is then preferably in a cutout the outer pane, and the door handle is due to areas that protrude from the side of the cutout the outer pane.
- the door handle is in an advantageous embodiment formed as a bow handle and then preferably at least predominantly made of metal, especially stainless steel.
- the door handle is either as a separate part on one, preferably one Plastic existing and / or horizontal, Handle rack attached or with the handle rack formed in one part.
- the oven door is generally used to close the loading opening an oven muffle of a cooking oven is provided, food can be cooked in the muffle interior and preferably also pyrolytic self-cleaning (burning of residues on the inner wall of the muffle at temperatures of at least 500 ° C) can be carried out.
- the oven also includes a cooling device, the cooling air sucked in from the outside to at least a part the muffle leads and through the air duct area of the Blows out the oven door back into the outside space.
- FIG 1 and 2 show an embodiment of a muffle door (Oven door) 9, which is used to lock one in the 2 and 3 not shown loading opening of a furnace muffle is determined.
- the door 9 includes a practically over their entire front extending rectangular outer pane 3 and one at the top of door 9 arranged handle bar 6 attached door handle 5.
- the door handle 5 is bow-shaped (bow handle) and is preferably made of a metal such as stainless steel.
- the outer pane 3 has a central viewing window 30 and is around the viewing window 30, for example Printing opaque.
- the outer pane 3 has one for example, a rectangular cutout in which a as a ventilation grille with several air outlet openings 63 and webs 61 between them, formed air outlet area 62 of a handle support bar 6 protrudes.
- the air outlet area 62 of the handle support bar 6 has a receiving groove 67 in which the outer pane 3 on her upper edge is included.
- an air baffle 64 is provided which is essentially one horizontally impinging flow from through an inlet opening 68 occurred on the handle support bar 6 Cooling air K 'deflects obliquely downwards in a direction of deflection.
- a door interior 91 of door 9 from the Cooling air K ′ shielding air deflector 65 and the webs 61 are directed in this direction, so that the cooling air K 'from the air outlet openings 63 at an angle emerges obliquely downwards below the door handle 5 and thus does not hit the door handle 5.
- This Angle depends on the relative arrangement of the air outlet openings 63 selected for the door handle 5 and can be smaller against the horizontal (normal direction to the front), the further down the air outlet openings 63 are offset against the door handle 5.
- the exit angle becomes horizontal between 0 ° (at least 2 cm lower than the Door handle 5 arranged air outlet openings 63) and 80 °, preferably between 20 ° and 45 °.
- the Air inlet opening 68, the flow guide bodies 64 and 65, the louvres 61 and the air outlet openings 63 and the channel formed between them form one Air duct area 66.
- the large air duct area 66 which covers at least the 0.7, preferably at least 0.8 times the front width of door 9 extends, the front of the door 9 in the upper area cooled over a large area and the outer pane 3 in between the hotter viewing window area 30 and the door handle 5 lying area cooled, so that the temperatures can be lowered on the door handle 5.
- the door handle 5 has 52 at its angled ends and 53 each have a cylindrical extension through which the lateral regions 32 projecting upward from the cutout and 33 of the outer pane 3 passed through corresponding holes and is screwed to the rear of the handle carrier strip 6 are.
- the handle bar 6 also serves as a support or Carrier for the upper regions 32 and 33 of the outer pane 3 and is slightly longer than the width of the outer pane 3rd
- the door 9 also has an inner pane 2 on the rear side facing the loading opening the door 9 and one in the door interior 91 between the Inner pane 2 and the outer pane 3 arranged washer 4 on.
- the inner pane 2, washer 4 and Outer pane 3 are preferably parallel to each other and spaced from each other. This means that between the inner pane 2 and the washer 4 an inner Gap 24 and between the outer pane 3 and the An intermediate space 34 is formed between the intermediate disk 4.
- the inner pane 2 can have better thermal insulation of the door 9 and / or the intermediate disk 4 with a heat radiation reflecting Layer, for example a metal oxide be coated to the heat radiation in the muffle interior 19 to reflect back.
- the inner pane 2, washer 4 and the outer pane 3 generally exist made of a transparent glass or a glass ceramic, whereby the inner pane 2 is generally smaller than the outer pane 3 is formed.
- the cooling air flow K 'can additionally Draw air out of the door interior 91 by the action of an injector.
- FIG 3 is a complete oven (stove), in particular a household oven, shown schematically with a Furnace muffle 10, a door 9 for closing a loading opening 16 of the furnace muffle 10 and a housing 83.
- a cooling fan (cooling device) 23 arranged above the furnace muffle 10 .
- the door 9 is constructed differently in FIG the door according to FIGS 1 and 2.
- the oven according to FIG 3 can but also equipped with a door according to FIGS 1 and 2 become.
- the door 9 now points in accordance with 3 shows a door handle 5 ', which preferably on a made of a plastic, in particular a polymer plastic, formed handle support bar 6 'attached or is molded.
- a suction area 36 educated below the door 9 a suction area 36 educated.
- Cooling air K is drawn in from the outer space 50 in the suction area 36.
- the suctioned cooling air K is through the between the housing 83 and the bottom 13 of the furnace muffle 10 formed Space 73 and then through the, between the Muffle rear wall 14 and the rear wall of the housing 83 formed space 74 led upwards and through that Cooling fan 23 in a between air baffles 82 or the muffle cover 17 formed air duct 75 passed.
- Cooling air K through a formed in the handle support bar 6 '
- Air duct 69 which is down from an air deflector 68 and is limited by an air baffle 67 ,. directed to an air outlet opening (blow-out area) 63 and there as heated cooling air K 'back into the outside space 50 blown out.
- the air guide body 67 and the air deflector 68 are preferred also integrally formed on the handle support bar 6 '. It are now the air outlet opening 63 and the air guide 67 arranged and designed so that the cooling air K 'below of the door handle 5 'flows out, so practical does not flow onto the door handle 5 '. This will the door handle 5 'is not comparatively hot Cooling air K 'warms up and remains sufficiently cool.
- the cooling air K is guided around the entire furnace muffle 10 and thus ensures large cooling of the oven.
- a muffle wall 14 is generally not shown Muffle insulation laid, along which the cooling air K flows.
- a not shown Connection should be provided via the vapors from the Muffle interior 15 discharged into the air duct 75 and together with the cooling air from the blow-out area 37 is blown out.
- the vapor can also on another Point and not the cooling air K are supplied, for example in a built-in stove the associated built-in hob.
- the air deflector 68 fluidically separates the air duct 69 and the air outlet opening 63 from the door interior 91.
- This air baffle 90 can in particular be an air baffle be tight against the inner pane 2. Between the air baffle 90 and the washer 4 a connection area 38 is formed over which the inner Gap 24 and the outer gap 34 of the door 9 are in flow communication so that forced convection through the door interior 91 for cooling the door 9.
- the door 9 can be hinged, in particular about a horizontal, pivotable axis Hinged door or also an axially, in particular horizontally, sliding door (baking cart).
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electric Ovens (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19814526 | 1998-04-01 | ||
DE19814526 | 1998-04-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0947776A2 true EP0947776A2 (fr) | 1999-10-06 |
EP0947776A3 EP0947776A3 (fr) | 2001-02-07 |
EP0947776B1 EP0947776B1 (fr) | 2004-06-23 |
Family
ID=7863192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99106660A Expired - Lifetime EP0947776B1 (fr) | 1998-04-01 | 1999-04-01 | Four à dispositif de refroidissement |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0947776B1 (fr) |
DE (1) | DE59909779D1 (fr) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6904904B2 (en) | 2003-02-19 | 2005-06-14 | Electrolux Home Products Corporation N.V. | Cooking oven with a cooled door that permits pyrolysis |
EP1653156A1 (fr) * | 2004-10-26 | 2006-05-03 | BSH Bosch und Siemens Hausgeräte GmbH | Dispositif d'une porte d' appareil ménager |
FR2906875A1 (fr) * | 2006-10-05 | 2008-04-11 | Brandt Ind Sas | Four de cuisson comprenant un canal de refroidissement d'une poignee de porte. |
FR2906874A1 (fr) * | 2006-10-05 | 2008-04-11 | Brandt Ind Sas | Four de cuisson comprenant au moins un moyen de striction d'une section de passage d'un flux d'air. |
FR2906872A1 (fr) * | 2006-10-05 | 2008-04-11 | Brandt Ind Sas | Four de cuisson comprenant un dispositif de deflexion d'air. |
FR2906873A1 (fr) * | 2006-10-05 | 2008-04-11 | Brandt Ind Sas | Four de cuisson ayant une hauteur de section de passage d'un flux d'air constante. |
EP2108892A1 (fr) | 2008-04-10 | 2009-10-14 | Whirpool Corporation | Four intégré |
GB2477428A (en) * | 2010-02-04 | 2011-08-03 | Bsh Bosch Und Siemens Hausger Te Gmbh | Household appliance with a pivoting door handle controlling cooling airflow |
EP2416072A1 (fr) * | 2010-08-03 | 2012-02-08 | BSH Bosch und Siemens Hausgeräte GmbH | Four de cuisson |
EP2921782A3 (fr) * | 2014-03-19 | 2016-01-06 | BSH Hausgeräte GmbH | Porte d'appareil ménager avec revêtement conçu comme un composant hybride pour au moins une vitre-porte et appareil ménager équipé d'une telle porte |
US9784457B2 (en) | 2014-08-01 | 2017-10-10 | Samsung Electronics Co., Ltd. | Oven, door assembly applied to the same, and method for controlling the oven |
US10502431B2 (en) | 2014-08-01 | 2019-12-10 | Samsung Electronics Co., Ltd. | Oven and door assembly applied to the oven |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4116999A1 (de) | 1991-02-19 | 1992-08-20 | Bosch Siemens Hausgeraete | Backofentuer mit griffleiste |
EP0752561A1 (fr) | 1995-07-04 | 1997-01-08 | Bosch-Siemens HausgerÀ¤te GmbH | Fuir de cuisson |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4601279A (en) * | 1984-07-10 | 1986-07-22 | Societe De Dietrich | Pyrolytic self-cleaning domestic oven with improved means for protecting electronic panel and controls from heat damages |
IT1187285B (it) * | 1985-07-15 | 1987-12-23 | Zanussi Elettrodomestici | Porta per forno,in particolare di tipo ventilato |
DE3804759A1 (de) * | 1988-02-16 | 1989-08-24 | Licentia Gmbh | Back- und bratofentuer |
-
1999
- 1999-04-01 EP EP99106660A patent/EP0947776B1/fr not_active Expired - Lifetime
- 1999-04-01 DE DE59909779T patent/DE59909779D1/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4116999A1 (de) | 1991-02-19 | 1992-08-20 | Bosch Siemens Hausgeraete | Backofentuer mit griffleiste |
EP0752561A1 (fr) | 1995-07-04 | 1997-01-08 | Bosch-Siemens HausgerÀ¤te GmbH | Fuir de cuisson |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6904904B2 (en) | 2003-02-19 | 2005-06-14 | Electrolux Home Products Corporation N.V. | Cooking oven with a cooled door that permits pyrolysis |
EP1653156A1 (fr) * | 2004-10-26 | 2006-05-03 | BSH Bosch und Siemens Hausgeräte GmbH | Dispositif d'une porte d' appareil ménager |
EP1930662A3 (fr) * | 2006-10-05 | 2012-09-05 | Brandt Industries | Four de cuisson ayant une hauteur de section de passage d'un flux d'air constante |
FR2906875A1 (fr) * | 2006-10-05 | 2008-04-11 | Brandt Ind Sas | Four de cuisson comprenant un canal de refroidissement d'une poignee de porte. |
FR2906874A1 (fr) * | 2006-10-05 | 2008-04-11 | Brandt Ind Sas | Four de cuisson comprenant au moins un moyen de striction d'une section de passage d'un flux d'air. |
FR2906872A1 (fr) * | 2006-10-05 | 2008-04-11 | Brandt Ind Sas | Four de cuisson comprenant un dispositif de deflexion d'air. |
FR2906873A1 (fr) * | 2006-10-05 | 2008-04-11 | Brandt Ind Sas | Four de cuisson ayant une hauteur de section de passage d'un flux d'air constante. |
EP1936281A3 (fr) * | 2006-10-05 | 2012-09-05 | Brandt Industries | Four de cuisson comprenant au moins un moyen de striction d'une section de passage d'un flux d'air |
US8490616B2 (en) | 2008-04-10 | 2013-07-23 | Whirlpool Corporation | Built-in oven |
EP2108892A1 (fr) | 2008-04-10 | 2009-10-14 | Whirpool Corporation | Four intégré |
GB2477428A (en) * | 2010-02-04 | 2011-08-03 | Bsh Bosch Und Siemens Hausger Te Gmbh | Household appliance with a pivoting door handle controlling cooling airflow |
GB2477428B (en) * | 2010-02-04 | 2012-09-12 | Bsh Bosch Siemens Hausgeraete | Household appliance subassembly |
EP2416072A1 (fr) * | 2010-08-03 | 2012-02-08 | BSH Bosch und Siemens Hausgeräte GmbH | Four de cuisson |
EP2921782A3 (fr) * | 2014-03-19 | 2016-01-06 | BSH Hausgeräte GmbH | Porte d'appareil ménager avec revêtement conçu comme un composant hybride pour au moins une vitre-porte et appareil ménager équipé d'une telle porte |
US9784457B2 (en) | 2014-08-01 | 2017-10-10 | Samsung Electronics Co., Ltd. | Oven, door assembly applied to the same, and method for controlling the oven |
US10502431B2 (en) | 2014-08-01 | 2019-12-10 | Samsung Electronics Co., Ltd. | Oven and door assembly applied to the oven |
Also Published As
Publication number | Publication date |
---|---|
EP0947776B1 (fr) | 2004-06-23 |
EP0947776A3 (fr) | 2001-02-07 |
DE59909779D1 (de) | 2004-07-29 |
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