Valves and valve structure

Claim 1

THE COMBINATION WITH A VALVE HAVING A CONTROL ELEMENT MOVABLE BETWEEN FIRST AND SECOND POSITIONS FOR CAUSING SAID VALVE TO MOVE BETWEEN OPEN AND CLOSED POSITIONS, OF AN ELECTROMAGNET FOR ACTUATING SAID CONTROL ELEMENT COMPRISING MAGNET STRUCTURE HAVING A CENTRAL POLEPIECE AND AN OUTER POLE-PIECE, A COIL DISPOSED BETWEEN SAID POLE PIECES, AN ARMATURE CARRIED BY SAID CONTROL ELEMENT, WHICH ARMATURE WITH SAID VALVE IN CLOSED POSITION ENGAGING SAID CENTRAL POLE MEMBER BUT AT ALL TIMES BEING IN SPACED RELATION WITH SAID OUTER POLE MEMBER, SAID MAGNET STRUCTURE INCLUDING AN ELONGATED PASSAGE WITHIN WHICH SAID CONTROL ELEMENT IS SLIDABLY MOUNTED, A FULL-WAVE RECTIFIER HERMETICALLY SEALED IN A HOUSING HAVING DEPENDING LEGS STRADDLING THE STRUCTURE FORMING SAID ELONGATED PASSAGEWAY AND INCLUDING TERMINALS FOR DIRECT ATTACHMENT TO THE RESPECTIVE ENDS OF SAID COIL, AND TERMINALS CARRIED AT THE END OF SAID HOUSING OPPOSITE SAID LEGS FOR APPLICATION TO SAID FULL-WAVE RECTIFIER OF ALTERNATING CURRENT FOR CONTROL OF SAID MOVEMENT OF SAID ELEMENT BETWEEN TWO CONTROL POSITIONS THEREOF.