GB814509A - Improvements in or relating to spark gap devices - Google Patents

Improvements in or relating to spark gap devices

Info

Publication number
GB814509A
GB814509A GB17341/57A GB1734157A GB814509A GB 814509 A GB814509 A GB 814509A GB 17341/57 A GB17341/57 A GB 17341/57A GB 1734157 A GB1734157 A GB 1734157A GB 814509 A GB814509 A GB 814509A
Authority
GB
United Kingdom
Prior art keywords
spark gap
permanent magnets
gap
electrode
arc
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
GB17341/57A
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.)
Westinghouse Electric International Co
Original Assignee
Westinghouse Electric International Co
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 Westinghouse Electric International Co filed Critical Westinghouse Electric International Co
Publication of GB814509A publication Critical patent/GB814509A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00—Details of spark gaps
    • H01T1/02—Means for extinguishing arc
    • H01T1/04—Means for extinguishing arc using magnetic blow-out
    • H01T1/06—Means for extinguishing arc using magnetic blow-out with permanent magnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0059—Arc discharge tubes

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Thermistors And Varistors (AREA)

Abstract

814,509. Protective arrangements. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. May 31, 1957 [June 8, 1956], No. 17341/57. Class 38 (4). A spark gap device comprises electrode members 5 spaced apart to form a spark gap 10, means-such as permanent magnets 7-being provided to produce a constant magnetic field in the spark gap, the device also including means 9 for dividing an initial discharge in the gap 10 into a series of small discharges. When the device is used as a lightning arrester one electrode 5 is connected to a line to be pro - tected whilst the other electrode 5 is connected to earth by way of a non-linear resistor 11. Thus a voltage surge on the line causes an arc to form across the gap 10 which arc, under the influence of the field from the permanent magnets 7, is moved radially outwards into the barriers 9 where it is divided into a number of smaller arcs which are extinguished at a current zero. The permanent magnets 7 are preferably constructed from barium ferrite and are protected from erosion by discs 8 of polytetrafluorethylene.
GB17341/57A 1956-06-08 1957-05-31 Improvements in or relating to spark gap devices Expired GB814509A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US814509XA 1956-06-08 1956-06-08

Publications (1)

Publication Number Publication Date
GB814509A true GB814509A (en) 1959-06-03

Family

ID=22164249

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17341/57A Expired GB814509A (en) 1956-06-08 1957-05-31 Improvements in or relating to spark gap devices

Country Status (1)

Country Link
GB (1) GB814509A (en)

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