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Publication of ES217985A1publicationCriticalpatent/ES217985A1/en
Pneumatic circuit breaker device, characterized in that the tripping stroke is divided into two periods, one during which, not being the electric circuit still cut, the pressure generating member (5) is set in motion to pre-compress the blowing air and the second during which the electric circuit is open and the jumping arch is blown by the pre-compressed blowing air, the pressure of said air being maintained during this second period by the pressure generating member (5) which continues in movement. (Machine-translation by Google Translate, not legally binding)
ES0217985A1954-03-111954-10-21A pneumatic circuit breaker (Machine-translation by Google Translate, not legally binding)
ExpiredES217985A1
(en)