ZA728768B - Circuit protector - Google Patents

Circuit protector

Info

Publication number
ZA728768B
ZA728768B ZA728768A ZA728768A ZA728768B ZA 728768 B ZA728768 B ZA 728768B ZA 728768 A ZA728768 A ZA 728768A ZA 728768 A ZA728768 A ZA 728768A ZA 728768 B ZA728768 B ZA 728768B
Authority
ZA
South Africa
Prior art keywords
circuit protector
protector
circuit
Prior art date
Application number
ZA728768A
Other languages
English (en)
Inventor
D Peterson
Original Assignee
Amana Refrigeration Inc
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 Amana Refrigeration Inc filed Critical Amana Refrigeration Inc
Publication of ZA728768B publication Critical patent/ZA728768B/xx

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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/66—Circuits
    • H05B6/666—Safety circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/764—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material in which contacts are held closed by a thermal pellet
    • H01H37/765—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material in which contacts are held closed by a thermal pellet using a sliding contact between a metallic cylindrical housing and a central electrode
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/085—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current making use of a thermal sensor, e.g. thermistor, heated by the excess current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Fuses (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Constitution Of High-Frequency Heating (AREA)
ZA728768A 1972-03-30 1972-12-12 Circuit protector ZA728768B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23948072A 1972-03-30 1972-03-30

Publications (1)

Publication Number Publication Date
ZA728768B true ZA728768B (en) 1973-08-29

Family

ID=22902330

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA728768A ZA728768B (en) 1972-03-30 1972-12-12 Circuit protector

Country Status (12)

Country Link
US (1) US3717793A (xx)
JP (1) JPS5746197B2 (xx)
AU (1) AU476766B2 (xx)
BE (1) BE793158A (xx)
CA (1) CA963141A (xx)
CH (1) CH561971A5 (xx)
DE (1) DE2261140C3 (xx)
FR (1) FR2177705B1 (xx)
GB (1) GB1383789A (xx)
IT (1) IT977243B (xx)
NL (1) NL7300295A (xx)
ZA (1) ZA728768B (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824374A (en) * 1971-05-13 1974-07-16 E Mayher Condition responsive disconnect arrangement for electrical cooking equipment
JPS5639037B2 (xx) * 1973-08-20 1981-09-10
JPS50100561A (xx) * 1973-12-19 1975-08-09
JPS5513917Y2 (xx) * 1975-01-08 1980-03-28
JPS52151382U (xx) * 1976-05-13 1977-11-16
JPS52166846U (xx) * 1976-06-11 1977-12-17
US4096370A (en) * 1977-06-15 1978-06-20 Litton Systems, Inc. Microwave oven door interlock switch system
US4222087A (en) * 1978-08-21 1980-09-09 Hawthorne Industries, Inc. Passive triac output asymmetry detector
US4242713A (en) * 1979-10-25 1980-12-30 Goodrich Edward W Triac output asymmetry detector
US4600875A (en) * 1981-02-17 1986-07-15 Tii Corporation Power supplies with latch-up prevention and automatic back-up
US4390776A (en) * 1982-03-01 1983-06-28 Yane Daryl J Immersion heater
EP0093821B1 (de) * 1982-05-12 1987-05-06 Geberit AG Schweissmuffe
US4885506A (en) * 1984-12-06 1989-12-05 Nilssen Ole K Electronic magnetron power supply
DE3446987A1 (de) * 1984-12-21 1986-07-03 Latvijskij gosudarstvennyj universitet imeni Petra Stučki, Riga Verbinder fuer elektrische leiter
US4756465A (en) * 1985-04-15 1988-07-12 Latviisky Gosudarstvenny Institut Method of cold welding
JPS6340273A (ja) * 1986-08-04 1988-02-20 戸塚　忠男 ケ−ブル接続方法
US4808960A (en) * 1987-11-06 1989-02-28 Therm-O-Disc, Incorporated Thermal cutoff heater
US4821010A (en) * 1987-12-30 1989-04-11 Therm-O-Disc, Incorporated Thermal cutoff heater
US5625520A (en) * 1993-11-19 1997-04-29 Daewoo Electronics Co., Ltd. Device for preventing a high voltage transformer of a microwave oven from being overheated
CN1217365C (zh) * 2001-07-18 2005-08-31 Nec修特元件株式会社 热敏熔断器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1968198A (en) * 1933-09-22 1934-07-31 Theodore D Gibbs Means for protecting radio receiving sets
US3385956A (en) * 1964-07-30 1968-05-28 Mitsubishi Electric Corp Protective device for electrically warming cloth
JPS42899Y1 (xx) * 1964-10-05 1967-01-19
US3396342A (en) * 1965-04-23 1968-08-06 Advance Transformer Co Power supply circuit for continuous wave magnetron operated by pulsed direct current
FR1444909A (fr) * 1965-05-28 1966-07-08 Pat & Visseaux Claude Dispositif pour la protection de transformateurs à fortes fuites magnétiques
US3651371A (en) * 1970-09-03 1972-03-21 Roper Corp Power supply for magnetron in microwave oven or the like

Also Published As

Publication number Publication date
GB1383789A (en) 1974-02-12
US3717793A (en) 1973-02-20
DE2261140C3 (de) 1980-03-06
JPS4914955A (xx) 1974-02-08
BE793158A (fr) 1973-04-16
AU4970572A (en) 1974-06-06
CA963141A (en) 1975-02-18
DE2261140B2 (de) 1979-07-05
IT977243B (it) 1974-09-10
DE2261140A1 (de) 1973-10-04
AU476766B2 (en) 1976-10-07
NL7300295A (xx) 1973-10-02
FR2177705B1 (xx) 1978-02-10
FR2177705A1 (xx) 1973-11-09
JPS5746197B2 (xx) 1982-10-01
CH561971A5 (xx) 1975-05-15

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