AU476734B2 - Safety interlock system for electrical apparatus - Google Patents

Safety interlock system for electrical apparatus

Info

Publication number
AU476734B2
AU476734B2 AU52635/73A AU5263573A AU476734B2 AU 476734 B2 AU476734 B2 AU 476734B2 AU 52635/73 A AU52635/73 A AU 52635/73A AU 5263573 A AU5263573 A AU 5263573A AU 476734 B2 AU476734 B2 AU 476734B2
Authority
AU
Australia
Prior art keywords
electrical apparatus
interlock system
safety interlock
safety
electrical
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
AU52635/73A
Other versions
AU5263573A (en
Inventor
Eugene Fritts Rex
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.)
Goodman Co LP
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 AU5263573A publication Critical patent/AU5263573A/en
Application granted granted Critical
Publication of AU476734B2 publication Critical patent/AU476734B2/en
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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6414—Aspects relating to the door of the microwave heating apparatus
    • H05B6/6417—Door interlocks of the microwave heating apparatus and related circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
AU52635/73A 1972-04-03 1973-02-27 Safety interlock system for electrical apparatus Expired AU476734B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24062672A 1972-04-03 1972-04-03
USUS340626 1972-04-03

Publications (2)

Publication Number Publication Date
AU5263573A AU5263573A (en) 1974-08-29
AU476734B2 true AU476734B2 (en) 1976-09-30

Family

ID=22907280

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52635/73A Expired AU476734B2 (en) 1972-04-03 1973-02-27 Safety interlock system for electrical apparatus

Country Status (11)

Country Link
US (1) US3766437A (en)
JP (1) JPS4915040A (en)
AU (1) AU476734B2 (en)
BE (1) BE797670A (en)
CA (1) CA995309A (en)
CH (1) CH571687A5 (en)
DK (1) DK138620B (en)
FR (1) FR2178942B1 (en)
GB (1) GB1407306A (en)
NL (1) NL7304194A (en)
ZA (1) ZA731338B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829809A (en) * 1973-03-26 1974-08-13 Micro Devices Corp Thermal limiter construction and electrical switch and system utilizing the same
JPS5339883Y2 (en) * 1974-04-27 1978-09-27
JPS5344066B2 (en) * 1974-05-27 1978-11-25
US3959984A (en) * 1974-11-29 1976-06-01 Lennox Industries Inc. Motor protection apparatus using fusible links
SE391391B (en) * 1975-06-12 1977-02-14 Philips Svenska Ab MICROWAVE SAFETY DEVICE INCLUDING AN POWER SWITCH CONTROLLED BY THE OVEN DOOR
US4101750A (en) * 1977-05-31 1978-07-18 Whirlpool Corporation Door interlock system for microwave oven
JPS549037A (en) * 1977-06-22 1979-01-23 Toshiba Corp Output contoller circuit for electronic range
DE3583431D1 (en) * 1984-12-20 1991-08-14 Matsushita Electric Ind Co Ltd MICROWAVE OVEN.
JPH02500080A (en) * 1986-09-29 1990-01-11 ブラック　アンド　デッカー　インコーポレイティド Non-isolated temperature-responsive battery charger
FR2630613B1 (en) * 1988-04-21 1992-06-19 Moulinex Sa MICROWAVE OVEN
JPH06187556A (en) * 1992-10-22 1994-07-08 Fuji Electric Co Ltd Automatic vending machine and its door switch device
JP3288234B2 (en) * 1996-11-29 2002-06-04 株式会社東芝 Cooking device
KR101710401B1 (en) * 2015-03-11 2017-02-27 엘지전자 주식회사 cooking appliance and a control method of the same
CN106856321B (en) * 2015-12-08 2019-11-05 太琦科技股份有限公司 Bathing safety control system and bathing safety control method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2718630A (en) * 1954-08-18 1955-09-20 Norman Bauch Automatic door locking mechanism with delayed alarm means for dispensing machines
US2855235A (en) * 1956-07-06 1958-10-07 Koutesy Kontrol Company Door lock assembly for rest room control apparatus
US3321604A (en) * 1964-02-03 1967-05-23 Sunbeam Corp Electronic oven
DE2017422C3 (en) * 1970-04-11 1979-12-06 Arburg Maschinenfabrik Hehl & Soehne, 7291 Lossburg Automatic safety circuit for monitoring the power switching element of an electrical power consumer
US3656023A (en) * 1970-09-21 1972-04-11 Joseph M Hadfield Protective circuit
US3699300A (en) * 1971-11-30 1972-10-17 Norris Industries System for detecting safety switch failure

Also Published As

Publication number Publication date
CA995309A (en) 1976-08-17
CH571687A5 (en) 1976-01-15
GB1407306A (en) 1975-09-24
US3766437A (en) 1973-10-16
DE2315276B2 (en) 1976-09-30
ZA731338B (en) 1973-12-19
NL7304194A (en) 1973-10-05
JPS4915040A (en) 1974-02-09
DK138620C (en) 1979-04-09
AU5263573A (en) 1974-08-29
DK138620B (en) 1978-10-02
BE797670A (en) 1973-07-31
FR2178942B1 (en) 1976-05-21
DE2315276A1 (en) 1973-10-18
FR2178942A1 (en) 1973-11-16

Similar Documents

Publication Publication Date Title
CA994885A (en) Programmable electric locking system
CA1005155A (en) Remote control system for electric apparatus
CA1015191A (en) Roadside safety apparatus
AU476734B2 (en) Safety interlock system for electrical apparatus
CA985721A (en) Interlock system for electrical contactors
CA1023256A (en) Safety device for gas-consuming equipment
CA997436A (en) Bus-bar connection apparatus
CA974463A (en) Electrical precipitating apparatus
CA967107A (en) Safety apparatus for an inclined hoist system
CA1003923A (en) Alarm apparatus for office equipment
AU468581B2 (en) Electrical signalling apparatus
CA1002384A (en) Safety apparatus for presses
CA976105A (en) Safety means for trolley switches
CA959923A (en) Safety apparatus for an electrical grinding machine
CA985405A (en) Safety interlock circuit for photocopier
CA908690A (en) Safety apparatus
CA895025A (en) Electrical apparatus for hazardous locations
CA908231A (en) Safety brake apparatus
CA913667A (en) Safety brake apparatus
CA1012056A (en) Safety apparatus for presses
CA900590A (en) Railway safety apparatus
CA906528A (en) Vehicle safety apparatus
CA908211A (en) Vehicle safety apparatus
AU486817B2 (en) Apparatus for interconnecting conductors
CA905351A (en) Trainline connector apparatus