Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1988-10-18
1991-03-12
Macon, Robert S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
H01H 3366
Patent
active
049994638
ABSTRACT:
An arc stalling eliminating electrode having a sealed vacuum cylinder within which are a pair of confronting electrodes disposed within the cylinder and mounted for movement between a first closed position in which the electrodes have contact faces which engage one another and a second open position in which the contact faces are spaced apart. The confronting electrodes move between the first and second positions when a high voltage AC current appears across the electrodes in order to interrupt that current. The interrupted current generates an arc between the electrodes until it goes to zero. The electrodes are configured such that the arc generated during separation of the electrode faces is caused to move to an outer periphery of the electrodes and around the latter with substantially no stalling in its movement, whereby the possibility of damaging the electrodes and the arced metal vapor due to the arc is minimized.
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Macon Robert S.
Square D Company
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