Compressed gas interrupter with a rack mechanism
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United States of America Patent
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-
Jan 18, 2000
Grant Date -
N/A
app pub date -
Oct 1, 1998
filing date -
Oct 2, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A compressed gas interrupter having a first contact piece having a hollow wear contact into which, during closure, there is inserted a rod-shaped wear contact provided on a second contact piece, an insulating nozzle on the same axis as the two contact pieces and fixed to the first contact piece with the throat of the nozzle having the wear contact of the second contact piece passing therethrough on closure, the nozzle connecting a gas compression chamber to an exhaust chamber, the wear contact of the second contact piece being movable along an axis and being displaced in the opposite direction to the wear contact of the first contact piece by a rack mechanism organized to transmit movement in opposite directions from the first contact piece to the second contact piece. The rack mechanism is disposed upstream from the throat of the nozzle so as to be situated off the path of the hot gases leaving the nozzle on interruption.
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