Electromechanical energy converting device

Claim 1

ELECTRO-MECHANICAL ENERGY CONVERTING DEVICE, MORE PARTICULARLY FOR PRODUCING ELECTRIC POWER, COMPRISING A RECIPROCATING MACHINE HAVING AT LEAST ONE MOVABLE PISTON, A STATIONARY CYLINDER CONTAINING THIS PISTON IN WHICH SAID PISTON IS ADAPTED TO RECIPROCATE, AN ARMATURE-RIGIDLY CONNECTED TO SAID CYLINDER COMPRISING AT LEAST ONE MAGNETIC CIRCUIT, SEVERAL SETS OF TWO POLAR OPPOSED PIECES AXIALLY SPACED ON SAID ARMATURE AND SEPARATED BY AN AIR-GAP, THE AIR-GAPS OF ALL THE SETS OF POLAR PIECES BEING AXIALLY ALIGNED, AT LEAST ONE POLARIZATION WINDING FOR THE PIECES OF ALL SETS ON ONE SIDE OF SAID AIR-GAP, SAID WINDING BEING SUPPLIED WITH DIRECT CURRENT AND BEING MOUNTED ON THE MAGNETIC CIRCUIT FOR POLARIZING THIS MAGNETIC CIRCUIT SO THAT THE OPPOSED POLAR PIECES OF EACH SET ARE OF OPPOSITE POLARITY, THE PIECES OF ALL SETS ON ONE SIDE OF SAID AIRGAP BEING OF THE SAME POLARITY, AND INDUCED WINDING