EP2554913A1 - Appareil de cuisson avec agencement de couplage pour pièce d'accessoire - Google Patents

Appareil de cuisson avec agencement de couplage pour pièce d'accessoire Download PDF

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Publication number
EP2554913A1
EP2554913A1 EP11176712A EP11176712A EP2554913A1 EP 2554913 A1 EP2554913 A1 EP 2554913A1 EP 11176712 A EP11176712 A EP 11176712A EP 11176712 A EP11176712 A EP 11176712A EP 2554913 A1 EP2554913 A1 EP 2554913A1
Authority
EP
European Patent Office
Prior art keywords
cavity
sealing element
section
cooking appliance
tubular sealing
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
EP11176712A
Other languages
German (de)
English (en)
Other versions
EP2554913B1 (fr
Inventor
Ola Roth
Michael Wittmann
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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
Application filed by Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP11176712.5A priority Critical patent/EP2554913B1/fr
Publication of EP2554913A1 publication Critical patent/EP2554913A1/fr
Application granted granted Critical
Publication of EP2554913B1 publication Critical patent/EP2554913B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24C15/16—Shelves, racks or trays inside ovens; Supports therefor
    • F24C15/164—Rotisserie spits inside ovens

Definitions

  • the invention relates to Cooking appliance with a cavity and an accessory part such as a turnspit which can be arranged within the cavity and which can be coupled by means of a coupling arrangement to a component which is arranged outside of the cavity, such as a driving component.
  • Cooking appliances which use forced convection and hot air circulation within a cooking chamber for heating up food stuff.
  • the forced convection and hot air circulation can be generated by a heating element and a fan inside the cooking chamber wherein the air inside the cooking chamber is heated up and at the same time moved along defined flow paths.
  • accessories are applied which need access to the exterior of the cooking chamber. Consequently openings have to be provided through which hot air and, in particular vapour, can evade into the exterior space where electrical and electronical components are arranged and can be damaged. This effect is increased when the cooking appliance is operated such that an overpressure is generated within the cooking chamber.
  • the document DE 103 14 572 A1 describes a cooking appliance with a cooking appliance muffle, a circulation fan having a fan wheel and an air guiding plate wherein a fan chamber is formed between the air guiding plate and a muffle wall.
  • a bushing is provided which delimits a guiding space, being separated from the fan chamber, between an opening of the air guiding plate and a mounting section being formed to the muffle wall.
  • a coupling arrangement comprises a sleeve-like or tubular sealing element which provides a passage for a coupling section of the accessory part to a coupling section of the component, wherein at least the coupling section of the component is arranged completely outside of the cavity and/or wherein the tubular sealing element is in substantially air tight contact to the component which is arranged completely outside of the cavity.
  • the component comprises a shaft, in particular a sleeve shaft, and a motor, wherein the shaft can be driven rotatably by the motor and wherein the shaft comprises the at least one coupling section and preferably at least one funnel section.
  • the forming of the sleeve shaft with a funnel section enables an easy insertion or installation of the accessory part to the coupling arrangement.
  • the coupling section of the accessory part can be inserted into the funnel section and is, thus, guided into the coupling section of the sleeve shaft, where it is coupled to the component.
  • the passage of the tubular sealing element is formed by a first inner tubular section and a second inner tubular section, wherein at least the first inner tubular section has a substantially conical shape which widens in a direction towards the cavity.
  • the insertion or installation of the accessory part is relieved, when the tubular sealing element has a conically shaped opening.
  • the opening and the accessory part thus, have a matching form which enables also an untrained user to mount the accessory part to the muffle.
  • the tubular sealing element comprises at least one first outer section and at least one second outer section, wherein the at least one second outer section has a substantially conical shape which narrows in a direction towards the component.
  • tubular sealing element allows to mount different parts thereto which are arranged in the exterior space of the muffle and in particular between a muffle rear wall and an appliance housing.
  • the second outer section is in substantially air tight contact with a contact surface of the funnel section, in particular in a sliding contact when the shaft rotates relative to the tubular sealing element.
  • the forms of the sleeve shaft and of the tubular sealing element correspond in an advantageous way. Especially when the accessory part is operated, i.e. when it is rotated, the sleeve shaft and the tubular sealing element are in such a sliding contact, so that the sealing function of the sliding contact is maintained.
  • the cooking appliance comprises a fan cover, wherein a fan chamber is formed between the fan cover and a wall of the cavity, in particular between the fan cover and a rear wall of the cavity and wherein the tubular sealing element has at least one contact surface which adjoins in substantially air tight contact to the fan cover.
  • tubular sealing element is made of an aluminium alloy, in particular manufactured in a die casting process.
  • the tubular sealing element is able to sustain temperatures till 500°C which is required for a pyrolysis process.
  • the tubular sealing element has a fastening flange which is in a plane contact with a wall of the cavity.
  • the accessory part is a turnspit.
  • the coupling arrangement is applicable advantageously. Because under conditions for grilling food, an air tight muffle is important.
  • tubular sealing element is fastened substantially air tight to the cavity wall, in particular to the rear wall of the cavity.
  • FIG 1 a muffle 1 of an oven or another cooking appliance is shown which forms a cavity 2.
  • the cavity 2 provides a cooking chamber for cooking or baking or grilling food stuff.
  • the understanding in the following is that the cavity comprises walls and in particular a rear wall 3.
  • a fan cover 4 is screwed to a rear wall 3 of the cavity 2, wherein the fan cover 4 covers a fan wheel of a hot air circulation unit.
  • turnspit support 6 Inside the muffle 1 or cavity 2 a turnspit support 6 is arranged, e.g. supported upon side grids or other supporting devices.
  • the turnspit support 6 supports a turnspit 5 which is coupled by means of a coupling arrangement 7 to the cooking appliance.
  • the turnspit 5 is rotatably supported on the turnspit support 6 and also to the coupling arrangement 7 which enables a rotation of the turnspit 5.
  • a support plate 8 is shown to which additional components for the operation of the turnspit 5 can be mounted.
  • the fan cover 4 has air inlet slots behind which the fan wheel is arranged.
  • a fan chamber 19 is formed between the fan cover 4 and the rear wall 3 of the muffle 1 .
  • the fan wheel sucks air from the cavity 2 into the fan chamber 19 through the air inlet slots and presses the air through lateral openings between the fan cover 4 and the rear wall 3.
  • a motor 10 is arranged on the exterior side of the cavity 2.
  • the motor 10 is fixed to a fastening section 9 of a support plate 8 which is fastened or in contact with the rear wall 3 of the cavity 2.
  • the motor 10 is connected to and drives a sleeve shaft 11 which has a coupling section 12 and a funnel section 13.
  • the funnel section 13 is formed such, that, in an installation step, a coupling end of the turnspit 5 can be inserted easily in the funnel section 13 and further can enter the coupling section 12.
  • the coupling section 12 comprises a form corresponding to the form of the coupling end of the turnspit 5, so that the coupling section 12 is coupled torque-proof to the coupling end of the turnspit 5, e.g. the coupling section 12 can be formed as a hexagonal socket or in another applicable form.
  • the turnspit 5 can be coupled to the motor 10 in the above described way.
  • a tubular sealing element 14 is arranged in the opening 21 or recess in the rear wall of the cavity 2.
  • the tubular sealing element 14 has a substantially tubular form and comprises a fastening flange 15 for being fastened to the rear wall 3, e.g. by means of screws.
  • a first inner tubular section 16A of the tubular sealing element 14 opens in a direction towards the cavity 2 and has a slightly conical form for simplifying the insertion of the coupling end of the turnspit 5. Further the tubular sealing element 14 has a second inner tubular section 16B which opens in direction to the motor 10.
  • First inner tubular section 16A and second inner tubular section 16B form a through-hole through which the turnspit 5 can be guided through to the sleeve shaft 11.
  • the tubular sealing element 14 comprises a first outer section 17A and a second outer section 17B.
  • the second outer section 17B has a slightly conical shape and is, thus, formed to be inserted into the funnel section 13 of the sleeve shaft 11.
  • the second outer section 17B adjoins and is in touching and sealing contact to a contact surface 13A of the funnel section 13.
  • the tubular sealing element 14 is made of an aluminium alloy and manufactured in a die casting process. Thus, the tubular sealing element 14 is able to sustain temperatures up to 500°C which allows a cleaning operation by means of pyrolysis for the cooking appliance. Vapours which are generated in the pyrolysis process are also prevented from being expelled through the openings 20, 21 of the fan cover 4 and the rear wall 3 into the exterior space.
  • the tubular sealing element 14 comprises a contact surface 18 which adjoins to the rear side of the fan cover 4 in a plane contact. Further, the tubular sealing element 14 is in a plane or planar contact with the rear wall 3.
  • the fastening flange 15 of the tubular sealing element 14 is formed such that the opening 21 in the rear wall 3 is surrounded completely by the fastening flange 15 and sealed air tight against the fan chamber 19.
  • the tubular sealing element 14 therefore relieves the insertion and the installation of the turnspit 5.
  • the guiding of the turnspit 5 in its rotating movement is improved.
  • the tubular sealing element 14 protects the enamel of the fan cover 4 and of the rear wall 3, in particular in the edge regions of the openings 20, 21 of the fan cover 4 and the rear wall 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)
  • Food-Manufacturing Devices (AREA)
EP11176712.5A 2011-08-05 2011-08-05 Appareil de cuisson avec agencement de couplage pour pièce d'accessoire Not-in-force EP2554913B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11176712.5A EP2554913B1 (fr) 2011-08-05 2011-08-05 Appareil de cuisson avec agencement de couplage pour pièce d'accessoire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11176712.5A EP2554913B1 (fr) 2011-08-05 2011-08-05 Appareil de cuisson avec agencement de couplage pour pièce d'accessoire

Publications (2)

Publication Number Publication Date
EP2554913A1 true EP2554913A1 (fr) 2013-02-06
EP2554913B1 EP2554913B1 (fr) 2017-06-14

Family

ID=44653165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11176712.5A Not-in-force EP2554913B1 (fr) 2011-08-05 2011-08-05 Appareil de cuisson avec agencement de couplage pour pièce d'accessoire

Country Status (1)

Country Link
EP (1) EP2554913B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2784395A1 (fr) * 2013-03-25 2014-10-01 Electrolux Appliances Aktiebolag Cavité de four pour un four de cuisson
CN113397370A (zh) * 2021-06-21 2021-09-17 宁波方太厨具有限公司 一种蒸烤烹饪设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985607A (en) * 1987-10-02 1991-01-15 Sharp Kabushiki Kaisha High frequency heating apparatus having detachable rotatable skewer
US5533440A (en) * 1993-07-07 1996-07-09 Winmint Manufacturing Pty Limited Rotisserie
DE10314572A1 (de) 2003-03-31 2004-10-14 BSH Bosch und Siemens Hausgeräte GmbH Gargerät
DE102009045354A1 (de) * 2008-10-06 2010-05-06 BSH Bosch und Siemens Hausgeräte GmbH Grillspieß-Antriebssystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985607A (en) * 1987-10-02 1991-01-15 Sharp Kabushiki Kaisha High frequency heating apparatus having detachable rotatable skewer
US5533440A (en) * 1993-07-07 1996-07-09 Winmint Manufacturing Pty Limited Rotisserie
DE10314572A1 (de) 2003-03-31 2004-10-14 BSH Bosch und Siemens Hausgeräte GmbH Gargerät
DE102009045354A1 (de) * 2008-10-06 2010-05-06 BSH Bosch und Siemens Hausgeräte GmbH Grillspieß-Antriebssystem

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2784395A1 (fr) * 2013-03-25 2014-10-01 Electrolux Appliances Aktiebolag Cavité de four pour un four de cuisson
CN113397370A (zh) * 2021-06-21 2021-09-17 宁波方太厨具有限公司 一种蒸烤烹饪设备
CN113397370B (zh) * 2021-06-21 2022-05-17 宁波方太厨具有限公司 一种蒸烤烹饪设备

Also Published As

Publication number Publication date
EP2554913B1 (fr) 2017-06-14

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