US PATENT SUBCLASS 218 / 61
.~.~.~.~ Compressing cylinder structure

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}
43  DF  .~ Air-current blowout {18}
57  DF  .~.~ Puffer piston {6}
59  DF  .~.~.~ With gas blast means {2}
61.~.~.~.~ Compressing cylinder structure {1}
62  DF  .~.~.~.~.~> With nozzle

DEFINITION

Classification: 218/61

Compressing cylinder structure:

(under subclass 59) Subject matter including structural details of a tubular of an air-compressing unit located

within the puffer piston circuit interrupter for extinguishing a generated arc.