GB1072267A - Improvements in or relating to the prevention or reduction of arcing at a.c. switch contacts - Google Patents

Improvements in or relating to the prevention or reduction of arcing at a.c. switch contacts

Info

Publication number
GB1072267A
GB1072267A GB41276/65A GB4127665A GB1072267A GB 1072267 A GB1072267 A GB 1072267A GB 41276/65 A GB41276/65 A GB 41276/65A GB 4127665 A GB4127665 A GB 4127665A GB 1072267 A GB1072267 A GB 1072267A
Authority
GB
United Kingdom
Prior art keywords
arcing
relating
prevention
reduction
switch contacts
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
GB41276/65A
Inventor
Leonard George Walter Knott
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.)
F DEVETTA ELECTRONICS Ltd
Original Assignee
F DEVETTA ELECTRONICS Ltd
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 F DEVETTA ELECTRONICS Ltd filed Critical F DEVETTA ELECTRONICS Ltd
Priority to GB41276/65A priority Critical patent/GB1072267A/en
Priority to US528304A priority patent/US3372303A/en
Publication of GB1072267A publication Critical patent/GB1072267A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/44—Devices for ensuring operation of the switch at a predetermined point in the ac cycle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/541—Contacts shunted by semiconductor devices
    • H01H9/542—Contacts shunted by static switch means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/541—Contacts shunted by semiconductor devices
    • H01H9/542—Contacts shunted by static switch means
    • H01H2009/543—Contacts shunted by static switch means third parallel branch comprising an energy absorber, e.g. MOV, PTC, Zener
GB41276/65A 1965-09-28 1965-09-28 Improvements in or relating to the prevention or reduction of arcing at a.c. switch contacts Expired GB1072267A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB41276/65A GB1072267A (en) 1965-09-28 1965-09-28 Improvements in or relating to the prevention or reduction of arcing at a.c. switch contacts
US528304A US3372303A (en) 1965-09-28 1966-02-17 A. c. switch contacts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB41276/65A GB1072267A (en) 1965-09-28 1965-09-28 Improvements in or relating to the prevention or reduction of arcing at a.c. switch contacts

Publications (1)

Publication Number Publication Date
GB1072267A true GB1072267A (en) 1967-06-14

Family

ID=10418948

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41276/65A Expired GB1072267A (en) 1965-09-28 1965-09-28 Improvements in or relating to the prevention or reduction of arcing at a.c. switch contacts

Country Status (2)

Country Link
US (1) US3372303A (en)
GB (1) GB1072267A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631621A (en) * 1985-07-11 1986-12-23 General Electric Company Gate turn-off control circuit for a solid state circuit interrupter

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560796A (en) * 1969-12-11 1971-02-02 Honeywell Inc Relay control system for prevention of contact erosion
US3646355A (en) * 1970-05-19 1972-02-29 Us Navy Automatic power transfer switch
US3977111A (en) * 1975-08-21 1976-08-31 Minnesota Mining And Manufacturing Company Sign structure
US4392171A (en) * 1981-09-08 1983-07-05 General Electric Company Power relay with assisted commutation
JPS60117518A (en) * 1983-11-28 1985-06-25 オムロン株式会社 Relay unit
US6621668B1 (en) 2000-06-26 2003-09-16 Zytron Control Products, Inc. Relay circuit means for controlling the application of AC power to a load using a relay with arc suppression circuitry
US8619395B2 (en) 2010-03-12 2013-12-31 Arc Suppression Technologies, Llc Two terminal arc suppressor
WO2014052872A1 (en) 2012-09-28 2014-04-03 Arc Suppression Technologies Contact separation detector and methods therefor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2789253A (en) * 1951-12-28 1957-04-16 Vang Alfred Protection of circuit breakers and metallic switches for carrying large currents
US3237030A (en) * 1962-09-28 1966-02-22 Dynamics Controls Corp Radio noise-free switch
US3260894A (en) * 1964-08-11 1966-07-12 Westinghouse Electric Corp Protective means for circuit interrupting devices
US3321668A (en) * 1965-12-13 1967-05-23 Boeing Co Current control apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631621A (en) * 1985-07-11 1986-12-23 General Electric Company Gate turn-off control circuit for a solid state circuit interrupter

Also Published As

Publication number Publication date
US3372303A (en) 1968-03-05

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