GB2245440A - Split element electric blanket having increased fault current ratio - Google Patents

Split element electric blanket having increased fault current ratio Download PDF

Info

Publication number
GB2245440A
GB2245440A GB9108795A GB9108795A GB2245440A GB 2245440 A GB2245440 A GB 2245440A GB 9108795 A GB9108795 A GB 9108795A GB 9108795 A GB9108795 A GB 9108795A GB 2245440 A GB2245440 A GB 2245440A
Authority
GB
United Kingdom
Prior art keywords
resistances
circuit
resistance
higher value
heating 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.)
Withdrawn
Application number
GB9108795A
Other languages
English (en)
Other versions
GB9108795D0 (en
Inventor
Arturo Morgandi
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.)
VAL FIN SpA
Original Assignee
VAL FIN SpA
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 VAL FIN SpA filed Critical VAL FIN SpA
Publication of GB9108795D0 publication Critical patent/GB9108795D0/en
Publication of GB2245440A publication Critical patent/GB2245440A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/042—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using temperature dependent resistors
    • H02H5/043—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using temperature dependent resistors the temperature dependent resistor being disposed parallel to a heating wire, e.g. in a heating blanket
    • 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
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • 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
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/36—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs 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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/56—Heating cables
    • 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
    • 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
    • H05B2203/035—Electrical circuits used in resistive heating apparatus

Landscapes

  • Control Of Resistance Heating (AREA)
  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)
  • Central Heating Systems (AREA)
GB9108795A 1990-06-19 1991-04-24 Split element electric blanket having increased fault current ratio Withdrawn GB2245440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02068390A IT1248960B (it) 1990-06-19 1990-06-19 Circuito con elementi riscaldanti flessibili per coperte elettriche o simili

Publications (2)

Publication Number Publication Date
GB9108795D0 GB9108795D0 (en) 1991-06-12
GB2245440A true GB2245440A (en) 1992-01-02

Family

ID=11170524

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9108795A Withdrawn GB2245440A (en) 1990-06-19 1991-04-24 Split element electric blanket having increased fault current ratio

Country Status (3)

Country Link
DE (1) DE9105262U1 (enExample)
GB (1) GB2245440A (enExample)
IT (1) IT1248960B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2266201A (en) * 1992-04-11 1993-10-20 Imetec Spa Protective arrangement for electrically heated panels

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19528355A1 (de) * 1995-08-02 1997-02-06 Kurz Rudolf Gmbh & Co Sperrelement im Luftspalt einer Tür

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1155118A (en) * 1966-10-10 1969-06-18 Dreamland Electrical Appliance Protective Electric Circuits for Electrically-heated Blankets or Pads
GB2207014A (en) * 1987-07-11 1989-01-18 Thermonette Appliances Ltd Electrically-powered heating panels

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1155118A (en) * 1966-10-10 1969-06-18 Dreamland Electrical Appliance Protective Electric Circuits for Electrically-heated Blankets or Pads
GB2207014A (en) * 1987-07-11 1989-01-18 Thermonette Appliances Ltd Electrically-powered heating panels

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2266201A (en) * 1992-04-11 1993-10-20 Imetec Spa Protective arrangement for electrically heated panels
EP0566302A3 (enExample) * 1992-04-11 1994-03-02 Imetec Spa
US5403992A (en) * 1992-04-11 1995-04-04 Imetec S.P.A. Electrically heated panels
AU663171B2 (en) * 1992-04-11 1995-09-28 Imetec S.P.A. Improvements in or relating to electrically heated panels
GB2266201B (en) * 1992-04-11 1996-02-28 Imetec Spa Improvements in or relating to electrically heated panels

Also Published As

Publication number Publication date
IT9020683A0 (enExample) 1990-06-19
GB9108795D0 (en) 1991-06-12
IT9020683A1 (it) 1991-12-19
IT1248960B (it) 1995-02-11
DE9105262U1 (de) 1991-06-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)