Compensated force valve with two seats
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United States of America Patent
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-
Dec 16, 1980
Grant Date -
N/A
app pub date -
Feb 7, 1979
filing date -
Feb 7, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A valve for the escape of compressed air in order to extinguish the electric arc between the moving contacts of a circuit-breaker. The arrangement includes an intermediate moving structure between the control rod and the compensated force valve with two seats, said structure being constituted by a cylinder integral with one of the seats and a piston which cooperates with the control rod in order to transmit a rapid and reliable control command.
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