EP2235446A2 - Unité de soufflerie pour appareil de cuisson - Google Patents

Unité de soufflerie pour appareil de cuisson

Info

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
Application number
EP08859394A
Other languages
German (de)
English (en)
Other versions
EP2235446B1 (fr
Inventor
Margit Andreas
Rainer Lebacher
Peter Mallinger
Richard Mierniczak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE200710061286 external-priority patent/DE102007061286A1/de
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL08859394T priority Critical patent/PL2235446T3/pl
Priority to EP08859394.2A priority patent/EP2235446B1/fr
Publication of EP2235446A2 publication Critical patent/EP2235446A2/fr
Application granted granted Critical
Publication of EP2235446B1 publication Critical patent/EP2235446B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/32Arrangements of ducts for hot gases, e.g. in or around baking ovens
    • F24C15/322Arrangements 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

L'invention concerne une unité de soufflerie pour appareil de cuisson qui possède une unité de déflection d'air en liaison ventilatoire avec un espace de cuisson (12) de l'appareil de cuisson. Selon l'invention, l'unité de déflection d'air est séparée de l'espace de cuisson par une unité de passage d'air d'espace de cuisson ou par une unité de paroi (36) et présente des ouvertures de passage (44, 48) pour les courants d'air générés par une soufflerie et chauffés et dont l'écoulement est dévié dans l'espace de cuisson par les éléments de déflection d'air. Conformément à l'invention, à l'intérieur d'une unité de déflection d'air qui présente au moins un élément déflecteur d'air, des moyens d'écoulement qui captent le courant arrivant sont associés aux ouvertures de passage (44, 48) en fonction du sens d'écoulement prédéfini et acheminent aux ouvertures de passage (44, 48) les courants d'air redressés et déviés.
EP08859394.2A 2007-12-12 2008-11-13 Appareil de cuisson Active EP2235446B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL08859394T PL2235446T3 (pl) 2007-12-12 2008-11-13 Urządzenie do gotowania
EP08859394.2A EP2235446B1 (fr) 2007-12-12 2008-11-13 Appareil de cuisson

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP07122979 2007-12-12
DE200710061286 DE102007061286A1 (de) 2007-12-19 2007-12-19 Gargerätegebläsevorrichtungseinheit
PCT/EP2008/065476 WO2009074423A2 (fr) 2007-12-12 2008-11-13 Unité de soufflerie pour appareil de cuisson
EP08859394.2A EP2235446B1 (fr) 2007-12-12 2008-11-13 Appareil de cuisson

Publications (2)

Publication Number Publication Date
EP2235446A2 true EP2235446A2 (fr) 2010-10-06
EP2235446B1 EP2235446B1 (fr) 2018-01-10

Family

ID=40755924

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08859394.2A Active EP2235446B1 (fr) 2007-12-12 2008-11-13 Appareil de cuisson

Country Status (5)

Country Link
EP (1) EP2235446B1 (fr)
ES (1) ES2661885T3 (fr)
PL (1) PL2235446T3 (fr)
TR (1) TR201802103T4 (fr)
WO (1) WO2009074423A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3109558A1 (fr) * 2015-06-24 2016-12-28 Electrolux Appliances Aktiebolag Dispositif de chauffage par convection pour un four

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1970635B1 (fr) 2008-06-26 2012-03-21 V-Zug AG Four à air chaud doté de déflecteurs
US9372005B2 (en) 2012-11-30 2016-06-21 Alto-Shaam, Inc. Heat exchanger for oven

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100988570B1 (ko) * 2003-04-10 2010-10-19 삼성전자주식회사 가열조리기
FR2871556B1 (fr) * 2004-06-14 2006-07-28 Seb Sa Dispositif de chauffage d'un four a circulation d'air
WO2006025133A1 (fr) * 2004-08-31 2006-03-09 Sharp Kabushiki Kaisha Dispositif de cuisson par chauffage
US7411160B2 (en) * 2005-06-01 2008-08-12 Whirlpool Corporation Airflow system for a convection oven
WO2007020587A1 (fr) * 2005-08-12 2007-02-22 Arcelik Anonim Sirketi Dispositif de cuisson

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009074423A2 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3109558A1 (fr) * 2015-06-24 2016-12-28 Electrolux Appliances Aktiebolag Dispositif de chauffage par convection pour un four

Also Published As

Publication number Publication date
WO2009074423A2 (fr) 2009-06-18
ES2661885T3 (es) 2018-04-04
TR201802103T4 (tr) 2018-03-21
PL2235446T3 (pl) 2018-06-29
WO2009074423A3 (fr) 2010-02-18
EP2235446B1 (fr) 2018-01-10

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