EP2235446A2 - Cooker-fan unit - Google Patents
Cooker-fan unitInfo
- Publication number
- EP2235446A2 EP2235446A2 EP08859394A EP08859394A EP2235446A2 EP 2235446 A2 EP2235446 A2 EP 2235446A2 EP 08859394 A EP08859394 A EP 08859394A EP 08859394 A EP08859394 A EP 08859394A EP 2235446 A2 EP2235446 A2 EP 2235446A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- fluid
- passage openings
- gargerätegebläsevorrichtungseinheit
- unit
- 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
- 238000010411 cooking Methods 0.000 claims abstract description 29
- 239000012530 fluid Substances 0.000 claims description 33
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- F24C15/32—Arrangements of ducts for hot gases, e.g. in or around baking ovens
- F24C15/322—Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation
Definitions
- the invention relates to a Garellogebläsevorlegissaku according to the preamble of claim 1.
- a wall unit is provided in the rear of the cooking chamber of the oven, which defines a behind it, a fan with annular radiator receiving Gebläse- space and the upper and lower each by a plurality of holes having formed passage openings.
- fluid in the form of rectangular tabs are arranged on the wall unit, which protrude into the fan chamber and are respectively placed at the fluidic rear end of the associated passage opening and thus outside the flow path between the fan and passage opening.
- the incoming here partial air flow bounces off the corresponding tab and should be deflected as intended and properly pass through the passage opening into the cooking chamber, where reflected all deflected air flows to the cooking chamber front surface (oven door) and the cooking chamber and the food stored there heated to get to the fan upstream inlet opening.
- the object of the invention is, in particular, to provide a cooking appliance fan unit for a generic fan device with improved properties in terms of flow conditions in a cooking chamber, in particular in an oven with hot air circulation and with an electric heater surrounding a fan unit.
- the passage openings are largely individualized air-guiding elements, preferably in the form of transverse surfaces projecting into the air flow and influencing this air flow in the flow behavior, and / or in the form of separate air ducts.
- this flowing air scoring send air conducting a "rectified", largely homogeneous outflow through the various ports can be achieved in the sense that this example strong heated air flows neither substantially in the direction of the cool side walls of the cooking chamber and is cooled directly to the cooking product stored in the cooking flows and eg selectively heated too much or charred in extreme cases Variety of according to the direction of rotation of the blower tangenzial flowing out part-flows that form in the fan room behind the cooking chamber limiting wall unit (also called baffle wall) an approximately chaotic flow amount.
- the fluid is designed as opposed to the respective air flow transverse surfaces formed in the direction of the respective, outgoing from the fan airflow at least in front of the associated passage openings.
- a "transverse surface” is to be understood as meaning, in particular, a surface which, when projected onto the cross-sectional surface enclosing the center of the fluid, for example the air channel, has a two-dimensional extent which is at most 45 °, advantageously not more than 20 ° and preferably not more than 10 ° .sup.th
- the fluid can be designed as a means for compensating for different spatially distributed flow velocities in the air duct.
- the air-guiding unit has air ducts as fluid, which are led to the individual passage openings, wherein it can be provided that the aforementioned transverse surfaces are arranged at the end of
- the passage openings are in particular at the edge at least partially by collar-like manner from the cooking chamber rearwardly bounding wall unit protruding fluid enclosed.
- an embodiment of the invention has proven to be advantageous in which the passage opening edge in the main flow direction fluid with varying contour, in the subsequent corner area fluid with a largely gently sloping contour and the rest of the peripheral area fluid with constant, especially low collar height.
- the passage openings opening into the cooking chamber are associated with individual air ducts, a substantial, constructive and cost-effective simplification can be achieved according to the invention, if only one, all passage openings common air channel between the wall unit and the rear base wall is provided and if the passage openings are at least predominantly equipped with transverse surfaces having fluids.
- Fig. 1 shows the front view of a cooking chamber air passage unit
- FIG. 2 is an enlarged detail of FIG. 1.
- the cooking chamber passage unit 36.1 shown as a detail in FIG. 1 is shown with a view from the oven front side, that is to say from a cooking space. It has in the center of a suction opening with a fan body behind it. In the quadrants are passage openings 48.3 and 48.4 and 44.3 and 44.4, of which those in the right, lower quadrant consists of two approximately square openings 44.4. With dashed arrows, the direction of flow of the blower 66 with direction of rotation according to the arrow emanating part-air flows symbolically indicated.
- the flow means 122.1 and 122.2 have in the flow cross-section a varying, partly step-shaped stepped and partly gently undulating contour.
- the transverse surface 124. 1 of the fluid 122. 1 directly adjoining the passage opening 44. 4 is formed by staircase-shaped steps 124. 2 and by a contoured step 124. 3 that is gently undulating to an adjacent side of the cooking chamber, which moves the corner region of the passage openings 44 a contour 124.4 with a constant low collar height h, which moves the remaining circumference of each passage opening 44.4 like a collar.
- gentle contour stage 124.3 has a cut 124.5.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Baking, Grill, Roasting (AREA)
- Ventilation (AREA)
- Electric Stoves And Ranges (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08859394.2A EP2235446B1 (en) | 2007-12-12 | 2008-11-13 | Cooking oven |
PL08859394T PL2235446T3 (en) | 2007-12-12 | 2008-11-13 | Cooking oven |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07122979 | 2007-12-12 | ||
DE200710061286 DE102007061286A1 (en) | 2007-12-19 | 2007-12-19 | Cooker-fan unit, has through-passage openings directly assigned to flow medium, where medium intercepts incoming flow based on predetermined flow direction and feeds air streams to openings in same direction and with diversions |
EP08859394.2A EP2235446B1 (en) | 2007-12-12 | 2008-11-13 | Cooking oven |
PCT/EP2008/065476 WO2009074423A2 (en) | 2007-12-12 | 2008-11-13 | Cooker-fan unit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2235446A2 true EP2235446A2 (en) | 2010-10-06 |
EP2235446B1 EP2235446B1 (en) | 2018-01-10 |
Family
ID=40755924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08859394.2A Active EP2235446B1 (en) | 2007-12-12 | 2008-11-13 | Cooking oven |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2235446B1 (en) |
ES (1) | ES2661885T3 (en) |
PL (1) | PL2235446T3 (en) |
TR (1) | TR201802103T4 (en) |
WO (1) | WO2009074423A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3109558A1 (en) * | 2015-06-24 | 2016-12-28 | Electrolux Appliances Aktiebolag | Convection heating device for a cooking oven |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE550608T1 (en) | 2008-06-26 | 2012-04-15 | V Zug Ag | HOT AIR OVEN WITH DEFLECTOR PLATES |
US9372005B2 (en) | 2012-11-30 | 2016-06-21 | Alto-Shaam, Inc. | Heat exchanger for oven |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100988570B1 (en) * | 2003-04-10 | 2010-10-19 | 삼성전자주식회사 | Heating cooker |
FR2871556B1 (en) * | 2004-06-14 | 2006-07-28 | Seb Sa | DEVICE FOR HEATING AN AIR CIRCULATING OVEN |
EP1793171A1 (en) * | 2004-08-31 | 2007-06-06 | Sharp Kabushiki Kaisha | Heating cooking apparatus |
US7411160B2 (en) * | 2005-06-01 | 2008-08-12 | Whirlpool Corporation | Airflow system for a convection oven |
EP1913309A1 (en) * | 2005-08-12 | 2008-04-23 | Arcelik Anonim Sirketi | A cooking device |
-
2008
- 2008-11-13 TR TR2018/02103T patent/TR201802103T4/en unknown
- 2008-11-13 WO PCT/EP2008/065476 patent/WO2009074423A2/en active Application Filing
- 2008-11-13 EP EP08859394.2A patent/EP2235446B1/en active Active
- 2008-11-13 ES ES08859394.2T patent/ES2661885T3/en active Active
- 2008-11-13 PL PL08859394T patent/PL2235446T3/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2009074423A2 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3109558A1 (en) * | 2015-06-24 | 2016-12-28 | Electrolux Appliances Aktiebolag | Convection heating device for a cooking oven |
Also Published As
Publication number | Publication date |
---|---|
TR201802103T4 (en) | 2018-03-21 |
PL2235446T3 (en) | 2018-06-29 |
WO2009074423A3 (en) | 2010-02-18 |
EP2235446B1 (en) | 2018-01-10 |
WO2009074423A2 (en) | 2009-06-18 |
ES2661885T3 (en) | 2018-04-04 |
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