WO2003050451A1 - Cooking appliance - Google Patents

Cooking appliance Download PDF

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Publication number
WO2003050451A1
WO2003050451A1 PCT/GB2002/005494 GB0205494W WO03050451A1 WO 2003050451 A1 WO2003050451 A1 WO 2003050451A1 GB 0205494 W GB0205494 W GB 0205494W WO 03050451 A1 WO03050451 A1 WO 03050451A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooking appliance
flange
mounting means
peripheral rim
support
Prior art date
Application number
PCT/GB2002/005494
Other languages
French (fr)
Inventor
Alan Broadbelt
Original Assignee
Ceramaspeed Limited
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 Ceramaspeed Limited filed Critical Ceramaspeed Limited
Priority to AU2002347338A priority Critical patent/AU2002347338A1/en
Publication of WO2003050451A1 publication Critical patent/WO2003050451A1/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • 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

Definitions

  • This invention relates to cooking appliances comprising electric heaters .
  • Electric heaters such as of radiant form, are well known for use in cooking appliances, such as ovens or hobs.
  • the heaters typically comprise a dish-like support, such as of metal, having a base and an upstanding peripheral rim and receiving at least one electric heating element.
  • the dish-like support also typically has provided therein a base layer of thermal insulation material, such as microporous insulation material, and a peripheral wall of thermal insulation material.
  • Heaters of substantially the same basic construction are required to be accommodated in a wide variety of appliances.
  • a problem with this is that a different mounting arrangement is generally required for each specific appliance application, such that the upstanding peripheral rim is appropriately shaped and integrally flanged to provide overall dimensions and a shape or profile suited to and complementary with a portion of an appliance in which the heater is to be mounted.
  • This has required the provision of a wide range of individually- designed dish-like supports for heaters, according to their specific applications, which is inconvenient and expensive .
  • a cooking appliance comprising: at least one electric heater comprising a dish-like support having a base and an upstanding peripheral rim and having received therein at least one electric heating element; and a substantially planar support member formed with at least one aperture for receiving the at least one electric heater, wherein at least one flange-like mounting means extends between the at least one heater and the support member, the mounting means being separate from and secured to the peripheral rim and the support member so as to support the at least one heater in the at least one aperture .
  • the at least one flange-like mounting means may be secured to the upstanding peripheral rim at a free edge region of the rim.
  • the at least one flange-like mounting means may comprise at least one first portion extending substantially laterally from the upstanding peripheral rim and at least one second portion, substantially orthogonal to the at least one first portion, secured to the upstanding peripheral rim.
  • the upstanding peripheral rim may have at least one portion integral therewith and extending laterally from a free edge region thereof, the flange-like mounting means being overlyingly secured to the at least one portion integral with the upstanding peripheral rim.
  • the at least one flange-like mounting means may comprise a single frame-like component substantially surrounding the upstanding peripheral rim.
  • the at least one flange-like mounting means may comprise metal .
  • the at least one flange-like mounting means may be secured to the upstanding peripheral rim by means selected from: adhesive means; threaded fastener means; weld means; rivet means; tab means; and clip means.
  • the at least one flange-like mounting means may be arranged to accommodate one or more covering layers, such as of fabric material comprising glass, ceramic or metal filaments, provided overlying the at least one heater.
  • the at least one flange-like mounting means may be dimensioned and/or shaped and/or profiled and/or otherwise adapted for securing to the support member.
  • the cooking appliance may be an oven or hob.
  • the dish- like support may comprise metal, or a non-metal such as a thermal insulation material .
  • the dish-like support may be provided with a base layer of thermal insulation material, such as microporous thermal insulation material, having the at least one electric heating element supported relative thereto.
  • a peripheral wall of thermal insulation material may be provided in the dish-like support, against the upstanding peripheral rim.
  • Such peripheral wall of thermal insulation material may be separate from, or integral with, the base layer of thermal insulation material.
  • a standard basic form of electric heater can be provided, having a dish-like support comprising a base and an upstanding peripheral rim, the basic heater being customised for mounting in a specific appliance, such as an oven or hob, by simple addition of the separate flange-like mounting means.
  • the flange-like mounting means is appropriately dimensioned, shaped and adapted to suit the individual requirements of each specific appliance.
  • Figure 1 is a plan view of an embodiment of a cooking appliance according to the present invention incorporating an electric heater
  • Figure 2 is a cross-sectional view of the electric heater of Figure 1 mounted in an appliance
  • Figure 3 is a perspective view of flange-like mounting means as provided on the electric heater of Figures 1 and 2;
  • Figure 4 is a cross-sectional view of an alternative embodiment of a cooking appliance according to the present invention incorporating an electric heater; and Figure 5 is a perspective view of flange-like mounting means as provided on the electric heater of Figure 4.
  • an electric heater 2 is mounted in an aperture in a wall 4 of a cooking appliance, such as an oven.
  • the heater 2 comprises a dish-like support 6 having a base 8 and an upstanding peripheral rim 10.
  • the dish- like support suitably comprises metal, but could be of non-metallic material, such as moulded thermal insulation material .
  • a base layer 12 of thermal insulation material, such as microporous thermal insulation material, is provided in the dish-like support 6.
  • a peripheral wall 14 of thermal insulation material is also provided in the dish-like support 6 and is arranged to be either separate from, or integral with, the base layer 12.
  • At least one electric heating element 16 is supported relative to the base layer 12 of thermal insulation material .
  • Such electric heating element or elements can comprise any of the well-known forms, such as wire, ribbon, foil, film or lamp forms, or combinations thereof.
  • a separate flange-like mounting means 18 is provided, comprising a metal frame arranged to substantially surround the upstanding peripheral rim 10 of the dishlike support 6.
  • the flange-like mounting means 18 comprises a first portion 20 arranged to extend substantially laterally away from a free edge region 22 of the upstanding peripheral rim 10 of the dish-like support 6.
  • the flange-like mounting means 18 has at least one second portion 24 arranged substantially orthogonal to the first portion 20.
  • the at least one second portion 24 can comprise a plurality of tabs 24A or a continuous band 24B, and is arranged to contact and be secured to the upstanding peripheral rim 10 of the dishlike support 6.
  • the at least one second portion 24 of the flange-like mounting means 18 is secured to the upstanding peripheral rim 10 by any suitable means 26, such as adhesive means, threaded fastener means, weld means, rivet means, or tab or clip means.
  • the first portion 20 of the flange-like mounting means 18 is shaped and dimensioned to complement the shape and dimensions of the aperture provided in the wall 4 of the cooking appliance.
  • the heater 2 is mounted in the aperture in the wall 4 of the cooking appliance with the first portion 20 of the flange-like mounting means 18 suitably secured to the wall 4 of the cooking appliance.
  • the heater 2 can be provided, if desired, with a covering layer 28, such as of a fabric material suitably comprising glass, ceramic or metal filaments. Such covering layer can be retained between the flange-like mounting means 18 and the upstanding peripheral rim 10 of the dish-like support 6.
  • the flange-like mounting means 18 enables a standard basic form of dish-like support 6 of a heater 2 to be simply and readily adapted for mounting in any specific shape and size of aperture in the wall 4 of a cooking appliance.
  • FIG. 4 and 5 an alternative embodiment of electric heater 2A according to the present invention is shown, mounted in an aperture in the wall 4 of the cooking appliance.
  • the heater 2A is substantially the same as the heater 2 of Figures 1 and 2 with the exception that the upstanding peripheral rim 10 of the dish-like support 6 has at least one portion integral therewith and extending laterally therefrom at its free edge region.
  • the at least one portion 10A can be in the form of tabs or can extend substantially continuously around the peripheral rim 10.
  • the flange-like mounting means 18A is in the form of a planar frame, as shown in Figure 5 and is arranged overlying and secured to the at least one portion 10A of the peripheral rim 10.
  • the flange-like mounting means 18A is secured to the portion 10A of the peripheral rim 10 by any of the means 26 hereinbefore described with reference to Figures 1 to 3 for securing the flange-like mounting means 18 to the peripheral rim 10.
  • the flange-like mounting means 18A is shaped and dimensioned to enable the heater 2A to be accommodated in the aperture in the wall 4 of the cooking appliance.
  • a covering means 28 (as hereinbefore described) is provided overlying the heater 2A, this may be retained in position between the at least one portion 10A of the upstanding peripheral rim 10 of the dish-like support 6 and the flange-like mounting means 18A.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Resistance Heating (AREA)

Abstract

A cooking appliance comprising: at least one electric heater (2; 2A) comprising a dish-like support (6) having a base (8) and an upstanding peripheral rim (10) and having received therein at least one electric heating element (16); and a substantially planar support member (4) formed with at least one aperture for receiving the at least one electric heater (2; 2A). At least one flange-like mounting means (18; 18A) extends between the at least one heater (2; 2A) and the support member (4), the mounting means being separate from and secured to the peripheral rim (10) and the support member (4) so as to support the at least one heater in the at least one aperture.

Description

COOKING APPLIANCE
This invention relates to cooking appliances comprising electric heaters .
Electric heaters, such as of radiant form, are well known for use in cooking appliances, such as ovens or hobs. The heaters typically comprise a dish-like support, such as of metal, having a base and an upstanding peripheral rim and receiving at least one electric heating element. The dish-like support also typically has provided therein a base layer of thermal insulation material, such as microporous insulation material, and a peripheral wall of thermal insulation material.
Heaters of substantially the same basic construction are required to be accommodated in a wide variety of appliances. A problem with this is that a different mounting arrangement is generally required for each specific appliance application, such that the upstanding peripheral rim is appropriately shaped and integrally flanged to provide overall dimensions and a shape or profile suited to and complementary with a portion of an appliance in which the heater is to be mounted. This has required the provision of a wide range of individually- designed dish-like supports for heaters, according to their specific applications, which is inconvenient and expensive .
It is an object of the present invention to overcome or minimise this problem.
According to the present invention there is provided a cooking appliance comprising: at least one electric heater comprising a dish-like support having a base and an upstanding peripheral rim and having received therein at least one electric heating element; and a substantially planar support member formed with at least one aperture for receiving the at least one electric heater, wherein at least one flange-like mounting means extends between the at least one heater and the support member, the mounting means being separate from and secured to the peripheral rim and the support member so as to support the at least one heater in the at least one aperture .
The at least one flange-like mounting means may be secured to the upstanding peripheral rim at a free edge region of the rim.
The at least one flange-like mounting means may comprise at least one first portion extending substantially laterally from the upstanding peripheral rim and at least one second portion, substantially orthogonal to the at least one first portion, secured to the upstanding peripheral rim.
The upstanding peripheral rim may have at least one portion integral therewith and extending laterally from a free edge region thereof, the flange-like mounting means being overlyingly secured to the at least one portion integral with the upstanding peripheral rim.
The at least one flange-like mounting means may comprise a single frame-like component substantially surrounding the upstanding peripheral rim.
The at least one flange-like mounting means may comprise metal .
The at least one flange-like mounting means may be secured to the upstanding peripheral rim by means selected from: adhesive means; threaded fastener means; weld means; rivet means; tab means; and clip means.
The at least one flange-like mounting means may be arranged to accommodate one or more covering layers, such as of fabric material comprising glass, ceramic or metal filaments, provided overlying the at least one heater.
The at least one flange-like mounting means may be dimensioned and/or shaped and/or profiled and/or otherwise adapted for securing to the support member.
The cooking appliance may be an oven or hob.
The dish- like support may comprise metal, or a non-metal such as a thermal insulation material .
The dish-like support may be provided with a base layer of thermal insulation material, such as microporous thermal insulation material, having the at least one electric heating element supported relative thereto.
A peripheral wall of thermal insulation material may be provided in the dish-like support, against the upstanding peripheral rim. Such peripheral wall of thermal insulation material may be separate from, or integral with, the base layer of thermal insulation material.
By means of the present invention a standard basic form of electric heater can be provided, having a dish-like support comprising a base and an upstanding peripheral rim, the basic heater being customised for mounting in a specific appliance, such as an oven or hob, by simple addition of the separate flange-like mounting means. The flange-like mounting means is appropriately dimensioned, shaped and adapted to suit the individual requirements of each specific appliance.
For a better understanding of the present invention and to show more clearly how it may be carried into effect, reference will now be made, by way of example, to the accompanying drawings in which:
Figure 1 is a plan view of an embodiment of a cooking appliance according to the present invention incorporating an electric heater;
Figure 2 is a cross-sectional view of the electric heater of Figure 1 mounted in an appliance;
Figure 3 is a perspective view of flange-like mounting means as provided on the electric heater of Figures 1 and 2;
Figure 4 is a cross-sectional view of an alternative embodiment of a cooking appliance according to the present invention incorporating an electric heater; and Figure 5 is a perspective view of flange-like mounting means as provided on the electric heater of Figure 4.
Referring to Figures 1 to 3 , an electric heater 2 is mounted in an aperture in a wall 4 of a cooking appliance, such as an oven.
The heater 2 comprises a dish-like support 6 having a base 8 and an upstanding peripheral rim 10. The dish- like support suitably comprises metal, but could be of non-metallic material, such as moulded thermal insulation material . A base layer 12 of thermal insulation material, such as microporous thermal insulation material, is provided in the dish-like support 6. A peripheral wall 14 of thermal insulation material is also provided in the dish-like support 6 and is arranged to be either separate from, or integral with, the base layer 12.
At least one electric heating element 16 is supported relative to the base layer 12 of thermal insulation material . Such electric heating element or elements can comprise any of the well-known forms, such as wire, ribbon, foil, film or lamp forms, or combinations thereof. In order to adapt the heater for mounting in the specific aperture in the wall 4 of the cooking appliance, a separate flange-like mounting means 18 is provided, comprising a metal frame arranged to substantially surround the upstanding peripheral rim 10 of the dishlike support 6. The flange-like mounting means 18 comprises a first portion 20 arranged to extend substantially laterally away from a free edge region 22 of the upstanding peripheral rim 10 of the dish-like support 6. The flange-like mounting means 18 has at least one second portion 24 arranged substantially orthogonal to the first portion 20. The at least one second portion 24 can comprise a plurality of tabs 24A or a continuous band 24B, and is arranged to contact and be secured to the upstanding peripheral rim 10 of the dishlike support 6.
The at least one second portion 24 of the flange-like mounting means 18 is secured to the upstanding peripheral rim 10 by any suitable means 26, such as adhesive means, threaded fastener means, weld means, rivet means, or tab or clip means.
The first portion 20 of the flange-like mounting means 18 is shaped and dimensioned to complement the shape and dimensions of the aperture provided in the wall 4 of the cooking appliance.
The heater 2 is mounted in the aperture in the wall 4 of the cooking appliance with the first portion 20 of the flange-like mounting means 18 suitably secured to the wall 4 of the cooking appliance.
The heater 2 can be provided, if desired, with a covering layer 28, such as of a fabric material suitably comprising glass, ceramic or metal filaments. Such covering layer can be retained between the flange-like mounting means 18 and the upstanding peripheral rim 10 of the dish-like support 6.
The flange-like mounting means 18 enables a standard basic form of dish-like support 6 of a heater 2 to be simply and readily adapted for mounting in any specific shape and size of aperture in the wall 4 of a cooking appliance.
Referring to Figures 4 and 5, an alternative embodiment of electric heater 2A according to the present invention is shown, mounted in an aperture in the wall 4 of the cooking appliance. The heater 2A is substantially the same as the heater 2 of Figures 1 and 2 with the exception that the upstanding peripheral rim 10 of the dish-like support 6 has at least one portion integral therewith and extending laterally therefrom at its free edge region. The at least one portion 10A can be in the form of tabs or can extend substantially continuously around the peripheral rim 10.
In this alternative embodiment, the flange-like mounting means 18A is in the form of a planar frame, as shown in Figure 5 and is arranged overlying and secured to the at least one portion 10A of the peripheral rim 10. The flange-like mounting means 18A is secured to the portion 10A of the peripheral rim 10 by any of the means 26 hereinbefore described with reference to Figures 1 to 3 for securing the flange-like mounting means 18 to the peripheral rim 10.
The flange-like mounting means 18A is shaped and dimensioned to enable the heater 2A to be accommodated in the aperture in the wall 4 of the cooking appliance.
When a covering means 28 (as hereinbefore described) is provided overlying the heater 2A, this may be retained in position between the at least one portion 10A of the upstanding peripheral rim 10 of the dish-like support 6 and the flange-like mounting means 18A.

Claims

1. A cooking appliance comprising: at least one electric heater (2; 2A) comprising a dish-like support (6) having a base (8) and an upstanding peripheral rim (10) and having received therein at least one electric heating element (16) ; and a substantially planar support member (4) formed with at least one aperture for receiving the at least one electric heater (2; 2A) , characterised in that at least one flange-like mounting means (18; 18A) extends between the at least one heater (2; 2A) and the support member (4), the mounting means being separate from and secured to the peripheral rim (10) and the support member (4) so as to support the at least one heater in the at least one aperture.
2. A cooking appliance as claimed in claim 1, characterised in that the at least one flange-like mounting means (18; 18A) is secured to the upstanding peripheral rim (10) at a free edge region (22) of the rim.
3. A cooking appliance as claimed in claim 1 or 2 , characterised in that the at least one flange-like mounting means (18; 18A) comprises at least one first portion (20) extending substantially laterally from the upstanding peripheral rim (10) and at least one second portion (24) , substantially orthogonal to the at least one first portion (20) , secured to the upstanding peripheral rim.
4. A cooking appliance as claimed in claim 1 or 2, characterised in that the upstanding peripheral rim has at least one portion (10A) integral therewith and extending laterally from a free edge region thereof, the flange-like mounting means being overlyingly secured to the at least one portion (10A) integral with the upstanding peripheral rim (10) .
5. A cooking appliance as claimed in any preceding claim, characterised in that the at least one flange-like mounting means (18; 18A) comprises a single frame-like component substantially surrounding the upstanding peripheral rim.
6. A cooking appliance as claimed in any preceding claim, characterised in that the at least one flange-like mounting means (18; 18A) comprises metal.
7. A cooking appliance as claimed in any preceding claim, characterised in that the at least one flange-like mounting means (18; 18A) is secured to the upstanding peripheral rim (10) by means selected from: adhesive means ; threaded fastener means ; weld means ; rivet means ; tab means; and clip means.
8. A cooking appliance as claimed in any preceding claim, characterised in that the at least one flange-like mounting means (18; 18A) is arranged to accommodate one or more covering layers (28) provided overlying the at least one heater (2; 2A) .
9. A cooking appliance as claimed in claim 8, characterised in that the one or more covering layers (28) is or are of fabric material comprising glass, ceramic or metal filaments.
10. A cooking appliance as claimed in any preceding claim, characterised in that the at least one flange-like mounting means is dimensioned and/or shaped and/or profiled and/or otherwise adapted for securing to the support member (4) .
11. A cooking appliance as claimed in any preceding claim, characterised in that the cooking appliance is an oven or hob .
12. A cooking appliance as claimed in any preceding claim, characterised in that the dish-like support (6) comprises metal, or a non-metal.
13. A cooking appliance as claimed in claim 12, characterised in that the non-metal comprises a thermal insulation material .
14. A cooking appliance as claimed in any preceding claim, characterised in that the dish-like support (6) is provided with a base layer (12) of thermal insulation material having the at least one electric heating element (16) supported relative thereto.
15. A cooking appliance as claimed in claim 14, characterised in that the thermal insulation material comprises microporous thermal insulation material .
16. A cooking appliance as claimed in claim 14 or 15, characterised in that a peripheral wall (14) of thermal insulation material is provided in the dish-like support, (6) against the upstanding peripheral rim (10) .
17. A cooking appliance as claimed in claim 16, characterised in that the peripheral wall (14) of thermal insulation material is separate from, or integral with, the base layer (12) of thermal insulation material.
PCT/GB2002/005494 2001-12-12 2002-12-05 Cooking appliance WO2003050451A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002347338A AU2002347338A1 (en) 2001-12-12 2002-12-05 Cooking appliance

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0129761A GB0129761D0 (en) 2001-12-12 2001-12-12 Electric heater
GB0129761.3 2001-12-12

Publications (1)

Publication Number Publication Date
WO2003050451A1 true WO2003050451A1 (en) 2003-06-19

Family

ID=9927511

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2002/005494 WO2003050451A1 (en) 2001-12-12 2002-12-05 Cooking appliance

Country Status (3)

Country Link
AU (1) AU2002347338A1 (en)
GB (1) GB0129761D0 (en)
WO (1) WO2003050451A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8336391U1 (en) * 1983-12-19 1985-04-25 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Hob
EP0222216A2 (en) * 1985-11-11 1987-05-20 E.G.O. Elektro-Geräte Blanc u. Fischer Heating means for a cooking oven
US5981914A (en) * 1997-01-31 1999-11-09 Schott Glaswerke Modular grilling and cooking apparatus
US6008478A (en) * 1996-12-05 1999-12-28 Whirlpool Corporation Heating element support system for oven

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8336391U1 (en) * 1983-12-19 1985-04-25 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Hob
EP0222216A2 (en) * 1985-11-11 1987-05-20 E.G.O. Elektro-Geräte Blanc u. Fischer Heating means for a cooking oven
US6008478A (en) * 1996-12-05 1999-12-28 Whirlpool Corporation Heating element support system for oven
US5981914A (en) * 1997-01-31 1999-11-09 Schott Glaswerke Modular grilling and cooking apparatus

Also Published As

Publication number Publication date
AU2002347338A1 (en) 2003-06-23
GB0129761D0 (en) 2002-01-30

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