US PATENT SUBCLASS 218 / 22
.~ Magnetic blowout

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.~ Magnetic blowout {7}
23  DF  .~.~> Permanent magnet {5}
29  DF  .~.~> Arc Spinner
30  DF  .~.~> Contact structure {3}
34  DF  .~.~> Arc chute {3}
40  DF  .~.~> Arc runner (e.g., arc horn)
41  DF  .~.~> Barrier
42  DF  .~.~> Within vacuum

DEFINITION

Classification: 218/22

Magnetic blowout:

(under subclass 1) Subject matter wherein the circuit interrupter contains an electromagnetic coil or a permanent magnet whose field is used to aid the interruption of an arc drawn between the contacts.