High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Vacuum
Patent
1995-04-10
1997-11-25
Scott, J. R.
High-voltage switches with arc preventing or extinguishing devic
Arc preventing or extinguishing devices
Vacuum
218127, 218129, 218130, 218132, H01H 3366
Patent
active
056915217
ABSTRACT:
A vacuum switch having a fixed side electrode unit and a movable side electrode unit mounted in a vacuum vessel. Each electrode unit includes an arc electrode, an arc electrode supporting member for supporting the arc electrode, a coil electrode and a conducting rod. Joining portions between the arc electrode and the arc electrode supporting member, the coil electrode and the conducting rod are integrally and directly formed metallurgically by solid phase diffusion using a hot isostatic process. A vacuum circuit breaker may be constructed incorporating the vacuum switch.
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Endoo Shunkichi
Hakamata Yoshimi
Kojima Yoshitaka
Komuro Katsuhiro
Kuroda Katsumi
Hitachi , Ltd.
Scott J. R.
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