CA1115317A - Safety circuit for electric bedcover - Google Patents

Safety circuit for electric bedcover

Info

Publication number
CA1115317A
CA1115317A CA346,539A CA346539A CA1115317A CA 1115317 A CA1115317 A CA 1115317A CA 346539 A CA346539 A CA 346539A CA 1115317 A CA1115317 A CA 1115317A
Authority
CA
Canada
Prior art keywords
heater
resistor
conductors
layer
circuit branch
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.)
Expired
Application number
CA346,539A
Other languages
English (en)
French (fr)
Inventor
Richard H. Williams
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.)
Sunbeam Corp
Original Assignee
Sunbeam Corp
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 Sunbeam Corp filed Critical Sunbeam Corp
Application granted granted Critical
Publication of CA1115317A publication Critical patent/CA1115317A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04Emergency 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
    • H02H5/042Emergency 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
    • H02H5/043Emergency 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
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00Details of electric heating devices
    • H05B1/02Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227Applications
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/20Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014Heaters using resistive wires or cables not provided for in H05B3/54
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/016Heaters using particular connecting means
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017Manufacturing methods or apparatus for heaters
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/035Electrical circuits used in resistive heating apparatus

Landscapes

  • Control Of Resistance Heating (AREA)
  • Control Of Temperature (AREA)
  • Surface Heating Bodies (AREA)
  • Resistance Heating (AREA)
CA346,539A 1979-03-05 1980-02-27 Safety circuit for electric bedcover Expired CA1115317A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1751079A 1979-03-05 1979-03-05
US17,510 1979-03-05

Publications (1)

Publication Number Publication Date
CA1115317A true CA1115317A (en) 1981-12-29

Family

ID=21782991

Family Applications (1)

Application Number Title Priority Date Filing Date
CA346,539A Expired CA1115317A (en) 1979-03-05 1980-02-27 Safety circuit for electric bedcover

Country Status (6)

Country Link
JP (1) JPS55136486A (enrdf_load_html_response)
AU (1) AU534343B2 (enrdf_load_html_response)
CA (1) CA1115317A (enrdf_load_html_response)
DE (1) DE3007932A1 (enrdf_load_html_response)
FR (1) FR2451123A1 (enrdf_load_html_response)
NZ (1) NZ192799A (enrdf_load_html_response)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3323605A1 (de) * 1983-06-30 1985-01-10 Patzner Gmbh & Co Heizkoerper fuer einen kuechenkessel
JPH08203658A (ja) * 1995-01-27 1996-08-09 Sugiyama Kinzoku Kk 分離型温度調節器における安全装置
DE10203197A1 (de) * 2002-01-25 2003-08-07 Beurer Gmbh & Co Elektrisch beheizbare Wärmevorrichtung mit einem schmiegsamen Heizkörper
CN102415749B (zh) * 2011-08-16 2013-12-04 洪德全 不带电时控防叠燃康疗电热毯
CN102334868B (zh) * 2011-10-18 2013-08-14 中科恒达石墨股份有限公司 基于石墨导热体的电热毯

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB338880A (en) * 1929-05-18 1930-11-18 Antonio Negromanti Improvements in thermostatic devices for electrically heated fabrics
US3418454A (en) * 1965-12-30 1968-12-24 Gen Electric Electric bedcover overtemperature control system
US3462585A (en) * 1966-05-03 1969-08-19 Gen Electric Electrically heated bedcover control
JPS4996220U (enrdf_load_html_response) * 1972-12-07 1974-08-20

Also Published As

Publication number Publication date
FR2451123B3 (enrdf_load_html_response) 1981-12-18
FR2451123A1 (fr) 1980-10-03
AU5575580A (en) 1980-09-11
AU534343B2 (en) 1984-01-19
JPS55136486A (en) 1980-10-24
DE3007932A1 (de) 1980-09-18
NZ192799A (en) 1983-11-30
JPH0114675B2 (enrdf_load_html_response) 1989-03-13

Similar Documents

Publication Publication Date Title
US4198562A (en) Electrically heated bedcover with overheat protective circuit
CA1261909A (en) Electric heating apparatus with integrated solid state comfort control and overheat protection
CA1115318A (en) Safety circuit for electric bedcover
US4316080A (en) Temperature control devices
CA1225426A (en) Electrical heating apparatus protected against an overheating condition
US2403803A (en) Electric blanket
US2782290A (en) Temperature responsive control device
US4205223A (en) Heating circuits for detection of localized overheating
US3814899A (en) Overtemperature control system
CA1138509A (en) Electrical heating apparatus with overheating protection
CA1115317A (en) Safety circuit for electric bedcover
WO2003081951A1 (en) Heater for electric blanket
US3683151A (en) Electrically heated bedcover with thermostatless overheat protection circuit and separate comfort control
CA1077111A (en) Electric blanket control circuit
EP0126530A2 (en) Laundry ironing or pressing apparatus
CA1244863A (en) Electric blanket or pad having improved positive temperature coefficient heater circuit
CA1156300A (en) Electric blanket safety circuit
GB2045023A (en) Electric bedcover
US3418454A (en) Electric bedcover overtemperature control system
US2588926A (en) Temperature responsive control circuit
US2768274A (en) Variable resistor control system
EP0328727A2 (en) Laundry ironing or pressing apparatus
US2959662A (en) Thermosensitive protective system for electrically heated fabrics
US2779852A (en) Temperature responsive control circuit
US3549865A (en) Electric blanket average temperature and hot spot control

Legal Events

Date Code Title Description
MKEX Expiry