Electric lamp and discharge devices: systems – Discharge device load – Plural cathode and/or anode discharge device load
Patent
1977-03-14
1978-12-19
Smith, Alfred E.
Electric lamp and discharge devices: systems
Discharge device load
Plural cathode and/or anode discharge device load
200144B, 315338, 315340, 315344, 313160, 313162, H01J 150, H01H 3318
Patent
active
041307828
ABSTRACT:
A high voltage interrupter consists of a cathode disposed centrally along the axis of an annular anode ring. The anode ring is a part of the wall of an evacuated container and is enclosed by a magnetic coil. Current flows through an arc plasma struck between the cathode and anode and this arc current is controlled by a magnetic field produced by the external coil which varies the impedance of the arc and causes the arc to extinguish. The anode contains a plurality of parallel metal vanes which extend into the interior of the evacuated housing to increase the current capability of the device and to control the rate of change of the current during switching operation.
REFERENCES:
patent: 2227829 (1941-01-01), Hansell
patent: 2660687 (1953-11-01), Coleman
patent: 3696264 (1972-10-01), Clark et al.
IEEE Transactions on Electron Devices, vol. BD-22, No. 4, Apr. 1975, pp. 173-180; "The Interruption of Vacuum Arcs at High DC Voltages" by Alexander S. Gilmour, Jr. & David L. Lockwood.
Gould Inc.
Roberts Charles F.
Smith Alfred E.
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