DK2068083T3 - Heating unit for an oven - Google Patents
Heating unit for an oven Download PDFInfo
- Publication number
- DK2068083T3 DK2068083T3 DK08468011.5T DK08468011T DK2068083T3 DK 2068083 T3 DK2068083 T3 DK 2068083T3 DK 08468011 T DK08468011 T DK 08468011T DK 2068083 T3 DK2068083 T3 DK 2068083T3
- Authority
- DK
- Denmark
- Prior art keywords
- oven
- heating unit
- heating
- tubular
- section
- Prior art date
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electric Stoves And Ranges (AREA)
- Resistance Heating (AREA)
Description
DESCRIPTION
[0001] The present invention refers to the field of household appliances, particularly freestanding and built-in cooking ranges and built-in ovens comprising a upper heating unit comprising at least two tubular heaters. A design of a heating unit of an electric oven and particularly a top broiling unit for use in such an oven has been disclosed in the published document US 3 128 363 A. The disclosed invention is especially adapted for use with a domestic range that has a viewing window in the front edge of the top cooking surface. Two identical tubular heaters extend over the ceiling area almost entirely in a single horizontal plane and are only in the front section bent into two planes. In this manner it is possible for the heaters to maintain the same design and to be fixed to a reflector close to the oven door. Each heater has its own flange and during the assembly, both flanges are jointly fixed to the back of the oven.
Furthermore, the published document US 2 836 697 A discloses teachings about the electric range equipped with electric tubular heating units of the type to provide heat for both baking and broiling operations. Said document teaches how to provide separate heating unit in the upper portion of the oven for broiling operations, and a heating unit in the lower portion of the oven for baking operations. Such a solution requires two separate power supplies and connectors, thus, render the entire solution cost-ineffective.
According to the above mentioned known solutions, the tubular heaters may operate separately or simultaneously, thus resulting in food being unevenly cooked. The drawbacks of such solutions are the relatively inhomogeneous temperature field in the plan view of the oven chamber, the relatively small surface of the upper oven section, the relatively significant influence of heat radiation to undesirable places in the oven, and the relatively significant resistance in the upper section of the oven chamber.
[0002] It is the object of the invention to create a brand new oven which will remedy the drawbacks of known solutions.
[0003] According to the invention, the object as set out above is solved by an oven according to features of the independent claim. According to an embodiment it is preferred that the heater which is arranged closer to the ceiling section of the oven, i.e. the upper heater, is designed with a higher heating power than the second heater being arranged below said upper heater.
[0004] Furthermore, it is provided according to the invention that the interior of the oven is formed in a manner that each of both upper side corners is provided with a chamfer. Here, it has been demonstrated as particularly advantageous if said chamfer comprises an inclination in a range of between 20 to 45 degrees relative to the horizontal.
[0005] In addition, it is provided according to the invention that the distance between each transversal cross-section of the heater and said chamfer is always the same. Thus, the food being cooked in said oven is cooked optimally and uniformly, since the upper tubular heater with a higher heating power is located on the greater distance from the food, being cooked in the oven, compared to the second tubular heater with a lower heating power arranged below said upper heater.
[0006] The invention will be more readily understood on reading the following description with reference to the accompanying drawing where
Fig. 1 shows the cross-section of an oven of a cooking apparatus,
Fig. 2 shows the top view of a heating unit of an oven according to the invention.
[0007] The upper heating unit of an oven according to the invention consists of two tubular heaters 1, 2 arranged one above the other and attached to a common flange 3 being further attached to a back 9 of an oven 5. The tubular heater 1,2 which lies closer to a ceiling 4 of the oven 5, i.e. the upper tubular heater 1 in the given case, is preferably designed with a higher heating power whereas the second tubular heater 2 of the lower heating power is arranged in a vertical distance under said upper tubular heater 1.
[0008] The interior of the oven 5 is designed in a manner that each of the upper side corners is formed with a chamfer 6 when viewing in the direction from the door towards the back of the oven. Said chamfer 6 comprises an inclination y preferably extending in the range of between 20 and 45 degrees relative to the horizontal. With such a design the homogeneity of the temperature field significantly improves in the plan view of the oven chamber. The surface of the upper section of the oven also increases significantly resulting in an improvement of the heat radiation effect from the walls to the food being cooked in the oven.
[0009] Each cross-section 7, 8 of the tubular heater 1,2 lies here at the very same distance x from said chamfer 6. Thus, the food being cooked in said oven is cooked optimally and uniformly, since the upper tubular heater 1 with a higher heating power is located on the greater distance from the food, being cooked in the oven, with regard to the second tubular heater 2 with a lower heating power arranged below said upper heater.
REFERENCES CITED IN THE DESCRIPTION
This list of references cited by the applicant is for the reader's convenience only. It does not form part of the European patent document. Even though great care has been taken in compiling the references, errors or omissions cannot be excluded and the EPO disclaims all liability in this regard.
Patent documents cited in the description • US3128363A |0001] • US2836697A Γ06611
Claims (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200700313A SI22688A (en) | 2007-12-04 | 2007-12-04 | Oven heating assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
DK2068083T3 true DK2068083T3 (en) | 2018-06-06 |
Family
ID=40379597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK08468011.5T DK2068083T3 (en) | 2007-12-04 | 2008-12-01 | Heating unit for an oven |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2068083B1 (en) |
DK (1) | DK2068083T3 (en) |
PL (1) | PL2068083T3 (en) |
RU (1) | RU2487504C2 (en) |
SI (1) | SI22688A (en) |
UA (1) | UA105889C2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201213611D0 (en) * | 2012-07-31 | 2012-09-12 | Esse Engineering Ltd | Combination solid fuel and utility powered cooking/heating device |
CN109330397B (en) * | 2018-11-07 | 2024-04-26 | 珠海格力电器股份有限公司 | Heating structure and cooking utensil |
EP3885655A1 (en) * | 2020-03-25 | 2021-09-29 | Electrolux Appliances Aktiebolag | Baking oven |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR587286A (en) * | 1924-09-25 | 1925-04-15 | Electric cooker | |
US2836697A (en) * | 1955-12-23 | 1958-05-27 | Gen Electric | Electric range |
US3128363A (en) * | 1962-10-30 | 1964-04-07 | Gen Electric | Broil unit for top viewing oven |
RU1824512C (en) * | 1989-12-06 | 1993-06-30 | П.А,Быков,О.П.Быков и Е.П.Першина | Electric ring |
GB2354687B (en) * | 1999-09-10 | 2004-06-02 | Ceramaspeed Ltd | Microwave oven incorporating a radiant electric heater |
-
2007
- 2007-12-04 SI SI200700313A patent/SI22688A/en not_active IP Right Cessation
-
2008
- 2008-12-01 PL PL08468011T patent/PL2068083T3/en unknown
- 2008-12-01 EP EP08468011.5A patent/EP2068083B1/en not_active Not-in-force
- 2008-12-01 DK DK08468011.5T patent/DK2068083T3/en active
- 2008-12-03 UA UAA200813945A patent/UA105889C2/en unknown
- 2008-12-04 RU RU2008147800/07A patent/RU2487504C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2487504C2 (en) | 2013-07-10 |
PL2068083T3 (en) | 2018-07-31 |
EP2068083A2 (en) | 2009-06-10 |
EP2068083B1 (en) | 2018-02-21 |
RU2008147800A (en) | 2010-06-10 |
SI22688A (en) | 2009-06-30 |
EP2068083A3 (en) | 2012-01-18 |
UA105889C2 (en) | 2014-07-10 |
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