EP1290917A1 - Elements chauffants electriques perfectionnes - Google Patents

Elements chauffants electriques perfectionnes

Info

Publication number
EP1290917A1
EP1290917A1 EP01934150A EP01934150A EP1290917A1 EP 1290917 A1 EP1290917 A1 EP 1290917A1 EP 01934150 A EP01934150 A EP 01934150A EP 01934150 A EP01934150 A EP 01934150A EP 1290917 A1 EP1290917 A1 EP 1290917A1
Authority
EP
European Patent Office
Prior art keywords
heating
track
electrically insulating
heating element
thick film
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
EP01934150A
Other languages
German (de)
English (en)
Other versions
EP1290917B1 (fr
Inventor
David Andrew Smith
Robin Keith Moore
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.)
Otter Controls Ltd
Original Assignee
Otter Controls Ltd
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 Otter Controls Ltd filed Critical Otter Controls Ltd
Publication of EP1290917A1 publication Critical patent/EP1290917A1/fr
Application granted granted Critical
Publication of EP1290917B1 publication Critical patent/EP1290917B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/013—Heaters using resistive films or coatings
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters

Definitions

  • This invention concerns improvements relating to electric heating
  • Ceramics material substrates are also known. Such thick film heating
  • the low power density of the lower power track means that it cannot
  • this object can be achieved by a
  • thick film heating element having a multi-layered construction with different
  • intermediate layer would only have to withstand 250N, perhaps with a high
  • the intermediate insulating layer can be
  • the reduced thickness of the intermediate layer will also be acceptance.
  • the reduced thickness of the intermediate layer will also be acceptance.
  • the various firing operations may be combined by firing multiple layers at
  • the additional track(s) may include other features, such as an
  • Patent Application No. for example, and tappings from either track
  • underlying track could be made through holes in the intermediate insulating layer, and access to the tracks for bimetal or other sensors can also be similarly provided.
  • Figures 1A to IE illustrate various steps in the manufacture of an exemplary thick film heating element embodying the present invention
  • Figure 2 is a perspective cross-sectional view of a thick film heating
  • Figure 1A illustrates the provision of a
  • the dielectric layer 1 on one surface of a stainless steel substrate 2.
  • material can for example consist of a glass, ceramics or glass ceramics
  • Figure IB shows the provision of a main
  • printing step employing electrically conductive ink followed by a firing step.
  • Figure 1C illustrates the provision of an intermediate electrically
  • second window opening 8 exposes a portion of the main heater track 3 for
  • the terminal parts 5, 6, 14 and 15 are provided with low resistance silver
  • the heating element tracks 3, 9 turn back upon themselves so as to avoid the
  • Figure 2 is a perspective cross-sectional view of a thick film heating

Landscapes

  • Surface Heating Bodies (AREA)
  • Resistance Heating (AREA)
  • Control Of Resistance Heating (AREA)
EP01934150A 2000-06-05 2001-05-25 Elements chauffants electriques perfectionnes Expired - Lifetime EP1290917B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0013687 2000-06-05
GB0013687A GB2363307A (en) 2000-06-05 2000-06-05 Thick film heating element stack
PCT/GB2001/002358 WO2001095670A1 (fr) 2000-06-05 2001-05-25 Elements chauffants electriques perfectionnes

Publications (2)

Publication Number Publication Date
EP1290917A1 true EP1290917A1 (fr) 2003-03-12
EP1290917B1 EP1290917B1 (fr) 2004-10-13

Family

ID=9893031

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01934150A Expired - Lifetime EP1290917B1 (fr) 2000-06-05 2001-05-25 Elements chauffants electriques perfectionnes

Country Status (7)

Country Link
EP (1) EP1290917B1 (fr)
CN (1) CN1214694C (fr)
AT (1) ATE279846T1 (fr)
AU (1) AU2001260456A1 (fr)
DE (1) DE60106440T2 (fr)
GB (1) GB2363307A (fr)
WO (1) WO2001095670A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20218792U1 (de) * 2001-12-05 2003-04-30 Strix Ltd Heizgeräte mit mehreren Leistungsstufen
US8680443B2 (en) 2004-01-06 2014-03-25 Watlow Electric Manufacturing Company Combined material layering technologies for electric heaters
CN114949526A (zh) 2011-06-16 2022-08-30 瑞思迈私人有限公司 加湿器和层式加热元件
US11225001B2 (en) * 2018-04-25 2022-01-18 Matriq Ag Mold and device for marking work pieces
GB2618803A (en) * 2022-05-17 2023-11-22 Dyson Technology Ltd Thick film heating elements

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153190B (en) * 1984-01-14 1987-09-09 Emi Ltd Improvements in or relating to heaters for water vessels
DE3810586A1 (de) * 1988-03-29 1989-10-12 Ego Elektro Blanc & Fischer Beheizung fuer elektrische kochgeraete
US5157240A (en) * 1989-09-13 1992-10-20 Chow Loren A Deposition heaters
GB9211331D0 (en) * 1992-05-28 1992-07-15 Chinacraft Ltd Hot plate for food
DE4338539A1 (de) * 1993-11-11 1995-05-18 Hoechst Ceram Tec Ag Verfahren zum Herstellen von keramischen Heizelementen
GB9423900D0 (en) * 1994-11-26 1995-01-11 Pifco Ltd Improvements to thick film elements

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0195670A1 *

Also Published As

Publication number Publication date
EP1290917B1 (fr) 2004-10-13
CN1446440A (zh) 2003-10-01
AU2001260456A1 (en) 2001-12-17
WO2001095670A1 (fr) 2001-12-13
GB2363307A (en) 2001-12-12
DE60106440T2 (de) 2006-03-02
ATE279846T1 (de) 2004-10-15
DE60106440D1 (de) 2004-11-18
GB0013687D0 (en) 2000-07-26
CN1214694C (zh) 2005-08-10

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