EP2330354A1 - Radiateur pour appareil ménager - Google Patents

Radiateur pour appareil ménager Download PDF

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Publication number
EP2330354A1
EP2330354A1 EP10193649A EP10193649A EP2330354A1 EP 2330354 A1 EP2330354 A1 EP 2330354A1 EP 10193649 A EP10193649 A EP 10193649A EP 10193649 A EP10193649 A EP 10193649A EP 2330354 A1 EP2330354 A1 EP 2330354A1
Authority
EP
European Patent Office
Prior art keywords
radiator
heating coil
retaining clip
radiator according
retaining
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.)
Withdrawn
Application number
EP10193649A
Other languages
German (de)
English (en)
Inventor
Juan Jose Galindo Perez
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
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2330354A1 publication Critical patent/EP2330354A1/fr
Withdrawn legal-status Critical Current

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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
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/06—Arrangement or mounting of electric heating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/02—Ohmic resistance heating

Definitions

  • the invention relates to a radiator for a household appliance, which comprises a heating coil formed as a multiply wound rod. Furthermore, the invention relates to a cooking appliance with at least one such radiator.
  • radiators are known to produce heat in a cooking chamber for preparing a food introduced.
  • a radiator may be formed for example as Grillrobschreibelasticity.
  • Fig. 1 is a plan view of a radiator for such a home appliance for preparing food shown.
  • This radiator 1 comprises a multi-wound rod 2, the end portions 3 and 4, which are formed at their ends 5 and 6 for electrical contacting and power supply.
  • the multi-wound rod 2 has a plurality of turns 7, 8 and 9.
  • a reinforcing strut 10 is provided, which extends over the entire width and thus over all windings 7 to 9.
  • the reinforcing strut 10 designed as a straight rod is welded to the rod 2 in the area of the turns 7 to 9.
  • radiator which has the features of claim 1
  • cooking appliance which has the features of claim 10.
  • a radiator according to the invention for a domestic appliance comprises a heating coil designed as a multi-wound rod.
  • This rod is designed reinforcement struts free. It is therefore envisaged that no such reinforcing strut is more attached to the rod.
  • the turns of the heating coil designed as a rod are thus no longer connected to each other by such a reinforcing strut.
  • the already very thin in the art anyway trained reinforcing strut is not required to still ensure adequate mechanical stability of the heating coil can.
  • a component-reduced and with less manufacturing and assembly costs available radiator is made possible.
  • the rod has two end portions which are each fastened with a retaining clip on a plate-like carrier.
  • the stable positioning and attachment is ensured precisely at these specific locations of the rod.
  • brackets are provided, a simple and quick installation can be ensured.
  • a non-destructive and reversible removal and re-introduction of the radiator in the retaining clips and thus a reversibly formable attachment to the plate-like support can be achieved. Just to assembly and maintenance work can thus be carried out in this respect, a removal from the retaining clips destructive and wear, so that the handling and accessibility to the radiator, in particular its heating coil, is improved.
  • the retaining clips are formed integrally with the plate-like carrier.
  • a component reduction can be made possible and, moreover, a rapid production of the retaining clips and of the carrier can be made possible.
  • installation effort can be saved and a mechanically stable attachment of the retaining clips can be ensured on the carrier.
  • assembly tolerances can also be avoided.
  • a retaining clip is formed as a plate-like strip, which has an arcuate portion.
  • a particularly flat construction realization be made possible and beyond a possible large-scale structure in terms of contacting the retaining clip can be achieved with the heating coil.
  • the stable holder is characterized particularly advantageous.
  • an encompassing of an end section with a curvature adapted to the curvature of the end section is formed, so that the arcuate section of a retaining clip also rests flat against its inside on the outside of the end section.
  • a retaining clip at its free end on an angle arranged on the arcuate portion tongue.
  • This is particularly advantageous, since thus the easy gripping and handling of the retaining clip with respect to a lifting or pressing is guaranteed.
  • the quasi forward projecting tab which is not in the assembled state with the end portion of the heating coil in conjunction, thus the easy gripping with a tool or the like or even with fingers can be made to raise the retaining clip and pull out the clamped heating coil.
  • a retaining clip is flexibly and resiliently arranged on the support to a certain extent, so that a simple insertion and quasi snap-in and yet stable support of the heating coil is provided.
  • a recess in particular a hole in the carrier is formed under a retaining clip.
  • the accessibility for mounting purposes can be improved and beyond, if necessary, a certain free space training for a downwardly slight bending of the heating coil in the retaining clip in the assembled state can be ensured.
  • the end sections of the heating coil are formed in a straight line and the retaining clips are arranged on the rectilinear region of the end sections.
  • a holding web for holding the arc of curvature is formed on the carrier.
  • the holding webs are formed integrally with the carrier.
  • the radiator is a bottom heat radiator for a cooking appliance. It can also be a grill radiator. Just such radiators are relatively large in terms of their areal extent and their dimensions and the heating coil is wound over several turns, which are relatively large. It is precisely these radiators therefore require stable support and positioning, which is made possible by the invention in particularly component-reduced and yet particularly reliable and secure holder.
  • the invention relates to a cooking appliance with at least one radiator according to the invention or an advantageous embodiment, and a plate-like support to which the radiator can be fastened.
  • Fig. 2 is shown in a perspective partial view of a trained as a baking oven 11 cooking appliance, which has a cooking chamber 12, can be introduced into the food for cooking.
  • the cooking chamber 12 is bounded by a muffle, not shown, and has on the front side a feed opening, which can be closed by a door, not shown.
  • the oven 11 comprises a radiator 14, which is arranged in the cooking chamber 12.
  • the radiator 14 is formed as a bottom heat radiator.
  • the radiator 14 comprises a heating coil 15, which is designed as a rod which is wound several times.
  • the rod-shaped heating coil 15 has two end portions 16 and 17 which are rectilinear and their ends 18 and 19 are formed for electrical contact with a power supply.
  • the heating coil 15 comprises turns 20, 21, 22, 23, 24, 25 and 26.
  • the heating coil 15 is fixed to a plate-like support 27.
  • the end portion 16 by a retaining clip 28 and the end portion 17 held by a retaining clip 29.
  • the retaining clips 28 and 29 are integral and thus formed integrally with the carrier 27. Below the retaining clips 28 and 29 holes 30 and 31 are formed in the carrier 27.
  • the retaining clips 28 and 29 are plate-like strips which have an arcuate portion 32 and 33, respectively. At their free ends and to the arcuate portions 32 and 33, a holding tab 34 and 35, respectively, is subsequently formed.
  • a plurality of retaining webs 36, 37, 38, 39, 40, 41 and 42 are formed, which are also integrally formed with the carrier 27.
  • the narrow hook-shaped retaining webs 36 to 42 are each formed so that they hold a curvature arc 43, 44, 45, 46, 47, 48 and 49 of the heating coil 15.
  • the holding webs 36 to 42 are punched out of the plate material of the carrier 27 and bent around a bending or folded edge upwards.
  • Fig. 3 is an enlarged view of Fig. 2 shown in the region of the retaining clip 28.
  • the strip-like plate-like structure of the retaining clip 28 can be seen, which abuts with its arcuate portion 32 flat on the outer side 50 of the end portion 16. This ensures the largest possible mechanical contact and thus a particularly stable support.
  • Fig. 4 is a sectional view taken along section line IV-IV according to Fig. 3 shown.
  • the integral connection of the retaining clip 28 with the carrier 27 can be seen and, moreover, the large area direct contact of the arcuate portion 32 on the outer side 50 of the end portion 16 is shown.
  • the angled at the arcuate portion 32 subsequent tongue or tab 34 is shown, which protrudes outwardly and has no contact with the end portion 16.
  • the retaining clips 28 and 29 are made by forming and stamping and punching out of the plate-like carrier 27.
  • a cutting takes place, then the flat area, from which the bracket 28 are formed is bent upwards and then the arcuate portion 32 and then the tab 34 is formed and bent shaped.
  • a retaining clip 28 or 29 is biased, which means that when the end portions 16 and 17 are not clamped in the retaining clips 28 and 29, they are arranged closer to the recesses or holes 30 and 31.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Resistance Heating (AREA)
  • Baking, Grill, Roasting (AREA)
EP10193649A 2009-12-04 2010-12-03 Radiateur pour appareil ménager Withdrawn EP2330354A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200931110A ES2384724B1 (es) 2009-12-04 2009-12-04 Cuerpo de calentamiento para un aparato doméstico.

Publications (1)

Publication Number Publication Date
EP2330354A1 true EP2330354A1 (fr) 2011-06-08

Family

ID=43618360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10193649A Withdrawn EP2330354A1 (fr) 2009-12-04 2010-12-03 Radiateur pour appareil ménager

Country Status (2)

Country Link
EP (1) EP2330354A1 (fr)
ES (1) ES2384724B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20131098A1 (it) * 2013-12-31 2015-07-01 Indesit Co Spa Metodo per il fissaggio di una resistenza ad una muffola e forno realizzato secondo tale metodo
DE102022115222A1 (de) 2022-06-20 2023-12-21 Miele & Cie. Kg Unterhitzevorrichtung für ein Gargerät und Gargerät mit einem Garraum und einer Unterhitzevorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3086102A (en) * 1961-01-04 1963-04-16 Cutler Hammer Inc Hinged oven heating element
US3253811A (en) * 1965-01-22 1966-05-31 Ferro Corp Support for sheathed electrical heating element
FR2323105A1 (fr) * 1975-09-02 1977-04-01 Carlsson Lars Methode et dispositif pour attacher un element chauffant a un panneau de radiateur electrique
DE102004003116A1 (de) * 2004-01-21 2005-08-11 BSH Bosch und Siemens Hausgeräte GmbH Backofen und Heizkörper-Halteblech dafür

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3086102A (en) * 1961-01-04 1963-04-16 Cutler Hammer Inc Hinged oven heating element
US3253811A (en) * 1965-01-22 1966-05-31 Ferro Corp Support for sheathed electrical heating element
FR2323105A1 (fr) * 1975-09-02 1977-04-01 Carlsson Lars Methode et dispositif pour attacher un element chauffant a un panneau de radiateur electrique
DE102004003116A1 (de) * 2004-01-21 2005-08-11 BSH Bosch und Siemens Hausgeräte GmbH Backofen und Heizkörper-Halteblech dafür

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20131098A1 (it) * 2013-12-31 2015-07-01 Indesit Co Spa Metodo per il fissaggio di una resistenza ad una muffola e forno realizzato secondo tale metodo
WO2015101889A1 (fr) * 2013-12-31 2015-07-09 Indesit Company S.P.A. Procédé pour fixer une résistance à une moufle et four réalisé selon ce dernier
DE102022115222A1 (de) 2022-06-20 2023-12-21 Miele & Cie. Kg Unterhitzevorrichtung für ein Gargerät und Gargerät mit einem Garraum und einer Unterhitzevorrichtung

Also Published As

Publication number Publication date
ES2384724B1 (es) 2013-05-28
ES2384724A1 (es) 2012-07-11

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