GB8401621D0 - Thermal limiter - Google Patents

Thermal limiter

Info

Publication number
GB8401621D0
GB8401621D0 GB848401621A GB8401621A GB8401621D0 GB 8401621 D0 GB8401621 D0 GB 8401621D0 GB 848401621 A GB848401621 A GB 848401621A GB 8401621 A GB8401621 A GB 8401621A GB 8401621 D0 GB8401621 D0 GB 8401621D0
Authority
GB
United Kingdom
Prior art keywords
infra
wire
tube
red
quartz tube
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.)
Pending
Application number
GB848401621A
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.)
Thorn EMI Domestic Appliances Ltd
Original Assignee
Thorn EMI Domestic Appliances 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10555336&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB8401621(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thorn EMI Domestic Appliances Ltd filed Critical Thorn EMI Domestic Appliances Ltd
Priority to GB848401621A priority Critical patent/GB8401621D0/en
Publication of GB8401621D0 publication Critical patent/GB8401621D0/en
Priority to DE8585300161T priority patent/DE3561912D1/en
Priority to EP85300161A priority patent/EP0150087B1/en
Priority to AT85300161T priority patent/ATE33085T1/en
Pending 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
    • H05B3/68—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
    • H05B3/746—Protection, e.g. overheat cutoff, hot plate indicator
    • 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
    • H05B3/744—Lamps as heat source, i.e. heating elements with protective gas envelope, e.g. halogen lamps
    • 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
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/04—Heating plates with overheat protection means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Resistance Heating (AREA)
  • Saccharide Compounds (AREA)
  • Glass Compositions (AREA)
  • Furan Compounds (AREA)
  • Fuses (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Abstract

A thermal limiting device (10) is provided in heating apparatus including four infra-red-emitting, tungsten-halogen lamps (5 to 8) supported above a layer (2) of themally-insulative material. The device (10) consists of a metallic wire (11) arranged to de-energise the lamps (5 to 8) when it is subjected to a predetermined temperature. The wire (11) is disposed within a quartz tube (12), which selectively transmits and absorbs infra-red radiation of different wavelengths. A thermally-conductive tube (14), having an infra-red-reflective outer surface, is located between the wire (11) and quartz tube (12). The tube (14) prevents infra-red radiation transmitted through the quartz tube (12) from reaching the wire (11), whilst infra-red radiation absorbed by the tube (12) heats the wire (11) by thermal conduction and convection.
GB848401621A 1984-01-21 1984-01-21 Thermal limiter Pending GB8401621D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB848401621A GB8401621D0 (en) 1984-01-21 1984-01-21 Thermal limiter
DE8585300161T DE3561912D1 (en) 1984-01-21 1985-01-10 A thermal limiting device
EP85300161A EP0150087B1 (en) 1984-01-21 1985-01-10 A thermal limiting device
AT85300161T ATE33085T1 (en) 1984-01-21 1985-01-10 THERMAL LIMITING DEVICE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848401621A GB8401621D0 (en) 1984-01-21 1984-01-21 Thermal limiter

Publications (1)

Publication Number Publication Date
GB8401621D0 true GB8401621D0 (en) 1984-02-22

Family

ID=10555336

Family Applications (1)

Application Number Title Priority Date Filing Date
GB848401621A Pending GB8401621D0 (en) 1984-01-21 1984-01-21 Thermal limiter

Country Status (4)

Country Link
EP (1) EP0150087B1 (en)
AT (1) ATE33085T1 (en)
DE (1) DE3561912D1 (en)
GB (1) GB8401621D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3821495A1 (en) * 1988-06-25 1989-12-28 Ego Elektro Blanc & Fischer Temperature switch
DE3821496A1 (en) * 1988-06-25 1989-12-28 Ego Elektro Blanc & Fischer Temperature switch
DE3929965A1 (en) * 1989-09-08 1991-03-14 Ego Elektro Blanc & Fischer TEMPERATURE SWITCH
CN107515059B (en) * 2017-09-30 2023-04-14 南京工业大学 Electrical impedance-tungsten lamp composite type radiant heating experimental device and test system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355574A (en) * 1965-10-01 1967-11-28 Gen Motors Corp Electrical surface heater with plural lamps
US3663798A (en) * 1969-08-25 1972-05-16 Thermo Electron Corp An infrared heating surface
NZ196104A (en) * 1980-02-01 1984-08-24 Micropore International Ltd Cooker plate with twin element:thermal cut-out for one
GB2132060B (en) * 1982-12-24 1985-12-18 Thorn Emi Domestic Appliances Heating apparatus

Also Published As

Publication number Publication date
DE3561912D1 (en) 1988-04-21
EP0150087A1 (en) 1985-07-31
EP0150087B1 (en) 1988-03-16
ATE33085T1 (en) 1988-04-15

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