Vacuum interrupter with a spacially modulated axial magnetic fie

Details Vacuum interrupter with a spacially modulated axial magnetic fie Vacuum interrupter with a spacially modulated axial magnetic fie

1981-06-29

1983-08-30

Scott, J. R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

044018681

ABSTRACT:
A vacuum circuit interrupter including axial magnetic field generating means, and arc contact structure comprising means for spacially modulating the axial magnetic field over the area of the contact. This contact structure produces adjacent regions of different magnetic field strength over the contact area, whereby a plurality of spaced apart low arc voltage, stable parallel arc current paths are established over the contact area.

REFERENCES:
patent: 3225167 (1965-12-01), Greenwood
patent: 3777089 (1973-12-01), Nitz
patent: 4004117 (1977-01-01), Amsler
patent: 4109123 (1978-08-01), Lipperts
patent: 4117288 (1978-09-01), Gorman et al.
patent: 4196327 (1980-04-01), Kurosawa et al.
patent: 4260864 (1981-04-01), Wayland et al.
patent: 4306128 (1981-12-01), Innami et al.
patent: 4334133 (1982-06-01), Gebel et al.
patent: 4336430 (1982-06-01), Kurosawa et al.

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