Vacuum interrupter with transfer-type axial magnetic field conta

Details Vacuum interrupter with transfer-type axial magnetic field conta Vacuum interrupter with transfer-type axial magnetic field conta

1980-04-01

1982-08-17

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200147R, H01H 3366

Patent

active

043451268

ABSTRACT:
A vacuum interrupter contact structure in which central butt-type contacts serve as the load current carrying contacts with low resistive losses. Annular transfer arcing contacts are disposed coaxial about the butt-type contacts, with the arc which forms during interruption moving out to these arcing contacts. Axial magnetic field generating means are associated with the transfer arcing contacts to maintain a diffuse arc during interruption.

REFERENCES:
patent: 3211866 (1965-10-01), Crouch et al.
patent: 3244843 (1966-04-01), Ross
patent: 4081640 (1978-03-01), Rich
patent: 4117288 (1978-09-01), Gorman et al.
patent: 4260864 (1981-04-01), Wayland et al.

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