EP1368993A1 - Keramisches kochsystem mit glaskeramikplatte, isolationsschicht und heizelementen - Google Patents
Keramisches kochsystem mit glaskeramikplatte, isolationsschicht und heizelementenInfo
- Publication number
- EP1368993A1 EP1368993A1 EP02722143A EP02722143A EP1368993A1 EP 1368993 A1 EP1368993 A1 EP 1368993A1 EP 02722143 A EP02722143 A EP 02722143A EP 02722143 A EP02722143 A EP 02722143A EP 1368993 A1 EP1368993 A1 EP 1368993A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ceramic plate
- glass ceramic
- cooking system
- insulation layer
- structural elements
- 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
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
- H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
-
- 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
- H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
- H05B3/748—Resistive heating elements, i.e. heating elements exposed to the air, e.g. coil wire heater
Definitions
- the invention relates to a ceramic cooking system with a glass ceramic plate, which carries on its underside an insulation layer with heating elements for direct heating of the glass ceramic plate.
- These ceramic cooking systems with direct heating of the glass ceramic plate are characterized by high parboiling performance and have advantages over heating by means of radiant heaters in terms of efficiency and design options.
- Ceramic cooking systems consist of a flat glass ceramic plate, on the top of which the cooking vessel to be heated is placed.
- the glass ceramic plates include oxidic and non-oxidic ceramics, such as WO
- an insulation layer for electrical insulation is applied between the glass ceramic plate and the heating elements. Substances with high electrical are suitable as material for this insulation layer
- Insulation value especially AL 2 O 3 - SiO 2 - MgO material systems with materials such as corundum, mullite, periclase, spinel and cordierite as well as ZrO 2
- the heating elements are applied to the insulation layer.
- Thin layers can be provided over the entire surface as heating elements by sputtering or in the CVD process, SnO 2 in particular being used, as WO 00/18189 shows.
- Another possibility is to apply thick-film conductor tracks made of silver-palladium alloys using the screen printing method, as is known from EP 0 861
- the underside of the glass ceramic plate has a fine structure with structural elements that have a length between 10 and 250 ⁇ m and a height between 1 and 100 ⁇ m and at least partially undercuts form for interlocking with the insulation layer.
- the fine structure is superimposed on a grid-shaped knob structure, which is chosen for reasons of better dimensional stability of the glass ceramic plate.
- the improvement in adhesion can be achieved both in that the structural elements of the fine structure are formed in one piece with the glass ceramic plate and in that the fine structure is formed by separate structural elements applied to the glass ceramic plate. It is provided in the latter case that the structural elements consist of ceramic powder, such as AL 2 O 3 , SiO 2 , MgO, spinel, which is optionally mixed with metal oxide additives, such as Ti0 2 and alkalis, such as Na, and that Structural elements have spheroidal, angular and irregular shapes.
- the length of the structural elements is preferably chosen between 40 and 100 ⁇ m and the height between 20 and 60 ⁇ m.
- Fig. 2 shows a cooking system in which the fine structure is formed on the underside of the glass ceramic plate by applied structural elements
- Fig. 3 shows a cooking system in which the fine structure of a knob structure is superimposed on the underside of the glass ceramic plate.
- FIG. 1 shows a schematic partial section of a ceramic cooking system, the dimensions of which do not correspond to the actual circumstances but only serve to explain the invention.
- the glass ceramic plate 10 still has a flat top for setting up the cooking vessel.
- the underside 11 is, however, provided with a fine structure 12, which is formed by structural elements 13, which are produced by elevations and / or depressions of the surface plane.
- These structural elements 13 have a length L parallel to the top of the glass ceramic plate 10 and a height H perpendicular thereto.
- the length L applies in all directions and the height H applies to both depressions and elevations.
- the structural elements 1 3 have different shapes and at least partially form undercuts so that the applied insulation layer 20 can interlock with the fine structure 12 and thus the glass ceramic plate 10. That facing away from the glass ceramic plate 10
- the underside of the insulation layer 20 carries the heating element or elements which are formed by applied thick-layer conductor tracks 30.
- the fine structure 1 2 can also be formed by separate structural elements 13, which are applied to the flat underside 11 of the glass ceramic plate 10.
- irregular shapes are used for the structural elements 13, which allow partial interlocking between the insulation layer 20 and the fine structure 12 and thus glass-ceramic plate 10.
- the fine structure 12 can also be superimposed on the underside 11 of a glass ceramic plate 10 provided with a grid-like knob structure 15. Separate structural elements 13 are used in the exemplary embodiment shown.
- the knob structure 15 is made in one piece with the glass ceramic plate 10.
- the shapes of the structural elements 13 can be of any type and can be spheroidal, angular and irregular.
- ceramic powders such as AL 2 O 3 , SiO 2 , MgO and spinel are preferred, which are mixed with metal oxide additives such as TiO 2 and alkalis such as Na.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Electric Stoves And Ranges (AREA)
- Resistance Heating (AREA)
- Cookers (AREA)
- Surface Heating Bodies (AREA)
- Baking, Grill, Roasting (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10110793A DE10110793A1 (de) | 2001-03-06 | 2001-03-06 | Keramisches Kochsystem mit Glaskeramikplatte, Isolationsschicht und Heizelementen |
DE10110793 | 2001-03-06 | ||
PCT/EP2002/002062 WO2002078398A1 (de) | 2001-03-06 | 2002-02-27 | Keramisches kochsystem mit glaskeramikplatte, isolationsschicht und heizelementen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1368993A1 true EP1368993A1 (de) | 2003-12-10 |
EP1368993B1 EP1368993B1 (de) | 2004-12-15 |
Family
ID=7676508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02722143A Expired - Lifetime EP1368993B1 (de) | 2001-03-06 | 2002-02-27 | Keramisches kochsystem mit glaskeramikplatte, isolationsschicht und heizelementen |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1368993B1 (de) |
CN (1) | CN1493172A (de) |
AT (1) | ATE285164T1 (de) |
CA (1) | CA2439602A1 (de) |
DE (2) | DE10110793A1 (de) |
ES (1) | ES2233810T3 (de) |
WO (1) | WO2002078398A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10258727A1 (de) * | 2002-12-05 | 2004-06-24 | Schott Glas | Ofen |
ES2397573B1 (es) * | 2010-12-13 | 2014-01-20 | BSH Electrodomésticos España S.A. | Placa de campo de cocción |
ES2399732B1 (es) * | 2010-12-13 | 2014-02-05 | BSH Electrodomésticos España S.A. | Dispositivo de aparato doméstico |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3844522A1 (de) * | 1988-03-02 | 1989-09-21 | Harald Scholl | Verfahren zum beschichten von haushaltsgegenstaenden und haushaltsgegenstand |
DE3812910A1 (de) * | 1988-04-18 | 1989-10-26 | Hanseatische Praezisions Und O | Keramik-verbundwerkstoff und verfahren zu dessen herstellung |
FR2744116B3 (fr) * | 1996-01-31 | 1998-03-13 | Eurokera | Substrat destine a equiper un dispositif de cuisson et/ou de maintien en temperature |
BE1010927A4 (fr) * | 1997-02-14 | 1999-03-02 | Lizen Christian | Plaque de chauffe, en particulier plaque de cuisson en materiau vitroceramique et procede de fabrication de celle-ci. |
US6037572A (en) * | 1997-02-26 | 2000-03-14 | White Consolidated Industries, Inc. | Thin film heating assemblies |
AU5408599A (en) * | 1998-09-03 | 2000-03-27 | Aktiebolaget Electrolux | An insulated thin film heater |
DE19906963C1 (de) * | 1999-02-19 | 2000-06-15 | Schott Glas | Glaskeramikplatte mit einer noppenartigen Unterseitenstruktur und Verfahren zu ihrer Herstellung |
-
2001
- 2001-03-06 DE DE10110793A patent/DE10110793A1/de not_active Ceased
-
2002
- 2002-02-27 EP EP02722143A patent/EP1368993B1/de not_active Expired - Lifetime
- 2002-02-27 AT AT02722143T patent/ATE285164T1/de not_active IP Right Cessation
- 2002-02-27 ES ES02722143T patent/ES2233810T3/es not_active Expired - Lifetime
- 2002-02-27 CN CNA028053478A patent/CN1493172A/zh active Pending
- 2002-02-27 CA CA002439602A patent/CA2439602A1/en not_active Abandoned
- 2002-02-27 WO PCT/EP2002/002062 patent/WO2002078398A1/de not_active Application Discontinuation
- 2002-02-27 DE DE50201781T patent/DE50201781D1/de not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO02078398A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE50201781D1 (de) | 2005-01-20 |
WO2002078398A1 (de) | 2002-10-03 |
ATE285164T1 (de) | 2005-01-15 |
DE10110793A1 (de) | 2002-10-02 |
EP1368993B1 (de) | 2004-12-15 |
CN1493172A (zh) | 2004-04-28 |
CA2439602A1 (en) | 2002-10-03 |
ES2233810T3 (es) | 2005-06-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69908445T2 (de) | Verbindungswerkstoff für elektronische Bauteile, elektronische Bauteile und Verfahren zu deren Herstellung | |
DE3808809C2 (de) | ||
EP1476907B1 (de) | Piezoaktor mit strukturierter aussenelektrode | |
DE3148809C2 (de) | Keramische Trägerplatte für feinlinige elektrische Schaltungen und Verfahren zu deren Herstellung | |
EP1368993B1 (de) | Keramisches kochsystem mit glaskeramikplatte, isolationsschicht und heizelementen | |
EP0049496B1 (de) | Heizelement | |
EP0501010A1 (de) | Flächenheizelement und Verfahren zu seiner Herstellung | |
DE10110792B4 (de) | Keramisches Kochsystem mit Glaskeramikplatte,Isolationsschicht und Heizelementen | |
DE69825512T2 (de) | Verfahren zur Herstellung eines Bauteils mit funktioneller Schicht | |
EP1516516B1 (de) | Kochsystem mit direkt beheizter glaskeramikplatte | |
EP0486891A1 (de) | Beheizbarer Belag aus keramischen Deckplatten | |
EP1366643B1 (de) | Keramik-kochfeld | |
DE19852366C2 (de) | Hochwärmeleitender Körper, Verfahren zu seiner Herstellung und seine Verwendung | |
WO2002078397A1 (de) | Keramik-kochfeld | |
DE1924202A1 (de) | Flaechenfoermige,elektrische Heizvorrichtung | |
EP1478919A1 (de) | Sensorelement, insbesondere planares gassensorelement | |
DE3424889A1 (de) | Elektrode fuer einen gasentladungsreaktor | |
DE102020123403A1 (de) | Glaselement umfassend Emaillebeschichtung und dessen Verwendung, Beschichtungsmittel zu dessen Herstellung und Verfahren zur Herstellung des Beschichtungsmittels | |
WO2003000610A1 (de) | Brennhilfsmittel für die thermische behandlung von gütern aus unterschiedlichen materialien bei einbrenn-temperaturen und verfahren zu seiner herstellung | |
EP0189108B1 (de) | Heizvorrichtung, insbesondere für eine strahlungsbeheizte Kochplatte, sowie Verfahren zu ihrer Herstellung | |
DE60130726T2 (de) | Verfahren zur Herstellung einer Rückplatte für eine Plasmaanzeigetafel | |
DE10132414A1 (de) | Elektrisch betreibbarer, flächiger Infrarotstrahler | |
EP4003904A1 (de) | Hermetisch verschlossene transparente kavität und deren umhäusung | |
EP3721140A1 (de) | Anordnung mit zwei oder mehr geschichteten platten aus naturstein | |
DE102019117480A1 (de) | Abdeckplatte, insbesondere Platte zum Erhitzen von Lebensmitteln, sowie Gerät zum Erhitzen von Lebensmitteln |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20031006 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: KOEBRICH, HOLGER Inventor name: WERMBTER, KARSTEN |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: CARL-ZEISS-STIFTUNGTRADING AS SCHOTT GLAS Owner name: SCHOTT GLAS |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SCHOTT AG |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20041215 Ref country code: IE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20041215 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20041215 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: NV Representative=s name: PATENTANWAELTE FELDMANN & PARTNER AG |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: GERMAN |
|
REF | Corresponds to: |
Ref document number: 50201781 Country of ref document: DE Date of ref document: 20050120 Kind code of ref document: P |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20050210 Year of fee payment: 4 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DK Payment date: 20050211 Year of fee payment: 4 Ref country code: AT Payment date: 20050211 Year of fee payment: 4 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: LU Payment date: 20050215 Year of fee payment: 4 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20050218 Year of fee payment: 4 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20050227 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050228 |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 20050309 Year of fee payment: 4 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20050315 |
|
REG | Reference to a national code |
Ref country code: DK Ref legal event code: T3 |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 20050315 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2233810 Country of ref document: ES Kind code of ref document: T3 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
ET | Fr: translation filed | ||
26N | No opposition filed |
Effective date: 20050916 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20060214 Year of fee payment: 5 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20060216 Year of fee payment: 5 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060227 Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060227 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060228 Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060228 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060228 Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060228 Ref country code: DK Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060228 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060228 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060228 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20060228 Year of fee payment: 5 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060901 |
|
REG | Reference to a national code |
Ref country code: DK Ref legal event code: EBP |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
EUG | Se: european patent has lapsed | ||
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20060227 |
|
NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee |
Effective date: 20060901 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20060228 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20071030 |
|
BERE | Be: lapsed |
Owner name: *SCHOTT A.G. Effective date: 20060228 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050515 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070901 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070228 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070227 |