US PATENT SUBCLASS 218 / 29
.~.~ Arc Spinner

Current as of: June, 1999
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218 /   HD   HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES

1  DF  ARC PREVENTING OR EXTINGUISHING DEVICES {14}
22  DF  .~ Magnetic blowout {7}
29.~.~ Arc Spinner

DEFINITION

Classification: 218/29

Arc spinner:

(under subclass 22) Subject matter wherein the arc is transferred to a ring electrode and is spun by the action of magnetic forces created on the ring electrode within a vacuum or gaseous medium.