AU542163B2 - Electric blanket safety circuit - Google Patents

Electric blanket safety circuit

Info

Publication number
AU542163B2
AU542163B2 AU68816/81A AU6881681A AU542163B2 AU 542163 B2 AU542163 B2 AU 542163B2 AU 68816/81 A AU68816/81 A AU 68816/81A AU 6881681 A AU6881681 A AU 6881681A AU 542163 B2 AU542163 B2 AU 542163B2
Authority
AU
Australia
Prior art keywords
safety circuit
electric blanket
blanket safety
electric
circuit
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
AU68816/81A
Other versions
AU6881681A (en
Inventor
Gordon S. Carlson
George C. Crowley
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
Publication of AU6881681A publication Critical patent/AU6881681A/en
Application granted granted Critical
Publication of AU542163B2 publication Critical patent/AU542163B2/en
Anticipated expiration legal-status Critical
Expired 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
    • H05B3/40—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
    • 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
    • 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
    • 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
    • H02H5/10—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 mechanical injury, e.g. rupture of line, breakage of earth connection
    • 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
    • H05B2203/011—Heaters using laterally extending conductive material as connecting means
    • 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
    • H05B2203/02—Heaters using heating elements having a positive temperature coefficient
AU68816/81A 1980-04-01 1981-03-26 Electric blanket safety circuit Expired AU542163B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13620280A 1980-04-01 1980-04-01
US136202 1980-04-01

Publications (2)

Publication Number Publication Date
AU6881681A AU6881681A (en) 1981-10-08
AU542163B2 true AU542163B2 (en) 1985-02-07

Family

ID=22471805

Family Applications (1)

Application Number Title Priority Date Filing Date
AU68816/81A Expired AU542163B2 (en) 1980-04-01 1981-03-26 Electric blanket safety circuit

Country Status (13)

Country Link
JP (1) JPS57864A (en)
AR (1) AR227041A1 (en)
AU (1) AU542163B2 (en)
BE (1) BE888195A (en)
BR (1) BR8101977A (en)
CA (1) CA1156300A (en)
DE (1) DE3111911A1 (en)
FR (1) FR2485285B1 (en)
GB (1) GB2075777B (en)
MX (1) MX149294A (en)
NL (1) NL8101632A (en)
NZ (1) NZ196568A (en)
ZA (1) ZA812180B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436986A (en) * 1981-11-23 1984-03-13 Sunbeam Corporation Electric blanket safety circuit
DE3203128A1 (en) * 1982-01-30 1983-08-04 Braun Ag, 6000 Frankfurt CIRCUIT BREAKER
JPS6091583A (en) * 1983-10-24 1985-05-22 松下電器産業株式会社 Heat generator
GB2159354B (en) * 1984-04-03 1987-10-28 Birmid Qualcast Electrical protective devices
GB8417547D0 (en) * 1984-07-10 1984-08-15 Dreamland Electrical Apliances Electric blankets
CA1244863A (en) * 1984-12-06 1988-11-15 George C. Crowley Electric blanket or pad having improved positive temperature coefficient heater circuit
US4662204A (en) * 1985-01-17 1987-05-05 Usui Kokusai Sangyo Kabushiki Kaisha Apparatus for automatically bending metallic tubes
GB2200001A (en) * 1987-01-12 1988-07-20 Duraplug Elect Ltd Electric cable assembly with safety device
US4928423A (en) * 1988-07-20 1990-05-29 Yoshikazu Furuta Fishhook and method for producing the same
US5801914A (en) * 1996-05-23 1998-09-01 Sunbeam Products, Inc. Electrical safety circuit with a breakable conductive element
EP3481146A1 (en) * 2017-11-03 2019-05-08 Pentair Thermal Management LLC Inrush limit of self-regulating heating cables

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE628620A (en) * 1962-02-21
GB1155118A (en) * 1966-10-10 1969-06-18 Dreamland Electrical Appliance Protective Electric Circuits for Electrically-heated Blankets or Pads
US3493815A (en) * 1967-07-19 1970-02-03 Gen Electric Electric protective system
US3727105A (en) * 1971-06-24 1973-04-10 Anthony S Mfg Co Fail-safe power cut-out device
GB1600256A (en) * 1976-12-13 1981-10-14 Raychem Corp Process for the manufacture of electrical devices comprising conductive polymer compositions
GB1599709A (en) * 1978-01-31 1981-10-07 Dreamland Electrical Appliance Heating circuits
NZ191174A (en) * 1978-08-24 1983-03-15 Dreamland Electrical Appliance Electric blanket heating and overheating disconnect circuit

Also Published As

Publication number Publication date
NL8101632A (en) 1981-11-02
FR2485285A1 (en) 1981-12-24
GB2075777A (en) 1981-11-18
BR8101977A (en) 1981-10-06
DE3111911A1 (en) 1982-03-04
CA1156300A (en) 1983-11-01
AU6881681A (en) 1981-10-08
JPS57864A (en) 1982-01-05
JPS6412073B2 (en) 1989-02-28
GB2075777B (en) 1983-09-21
AR227041A1 (en) 1982-09-15
MX149294A (en) 1983-10-10
BE888195A (en) 1981-07-16
FR2485285B1 (en) 1985-07-12
NZ196568A (en) 1985-04-30
ZA812180B (en) 1982-07-28

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired