Quick-acting switch arrangement for a high tension transformer

Claim 1

IN A DISCONNECTING SWITCH ARRANGEMENT FOR A HIGH VOLTAGE TRANSFORMER HAVING A PRIMARY WINDING, IN COMBINATION: (A) SHORT-CIRCUIT MEANS FOR GROUNDING SAID PRIMARY WINDING IN RESPONSE TO AN ELECTRICAL SIGNAL; (B) PULSE GENERATING MEANS IN CIRCUIT WITH SAID SHORTCIRCUIT MEANS AND RESPONSIVE TO SAID GROUNDING OF THE PRIMARY WINDING FOR GENERATING AN ELECTRIC PULSE; (C) A CYLINDER MEMBER ENCLOSING A CAVITY; (D) A PISTON MEMBER MOVABLE IN SAID CAVITY; (E) EXPLOSIVE MEANS COMMUNICATING WITH SAID CAVITY AND CONNECTED IN CIRCUIT WITH SAID PULSE GENERATING MEANS FOR DISCHARGING A GAS UNDER PRESSURE INTO SAID CAVITY IN RESPONSE TO SAID ELECTRIC PULSE, AND FOR THEREBY MOVING SAID PISTON MEMBER IN A PREDETERMINED DIRECTION; (F) A SOURCE OF ELECTRIC POWER, AND (G) SWITCH MEANS OPERATIVELY INTERPOSED BETWEEN SAID SOURCE AND SAID PRIMARY WINDING FOR ENERGIZING SAID WINDING BY THE CURRENT OF SAID SOURCE, AND FOR DISCONNECTING THE WINDING FROM SAID SOURCE, SAID SWITCH MEANS INCLUDING A MOVABLE CONTACT AND A FIXED CONTACT, SAID MOVABLE CONTACT BEING CONNECTED TO SAID PISTON MEMBER FOR MOVEMENT THEREWITH, AND RESPONSIVE TO SAID MOVEMENT OF THE PISTON MEMBER IN SAID DIRECTION FOR DISCONNECTING SAID SOURCE FROM SAID TRANSFORMER.