Direct current generator

Claim 1

A DIRECT CURRENT GENERATOR, COMPRISING A FIELD MAGNET STRUCTURE HAVING THE FORM OF AN OUTER AXIALLY EXTENDED TUBULAR POLE MEMBER OF UNINTERRUPTED AND CONTINUOUS ANNULAR FORM AND AN INNER CYLINDRICAL POLE MEMBER DISPOSED CO-AXIALLY WITHIN THE OUTER POLE MEMBER IN UNIFORM RADIALLY SPACED RELATION THERETO FOR AT LEAST A SUBSTANTIAL AXIAL LENGTH THEREOF AND DEFINING AN ANNULAR AIR-GAP THEREBETWEEN, SAID POLE MEMBERS BEING OF OPPOSITE MAGNETIC POLARITY IN THE ZONE OF THE AIR-GAP AFORESAID AND SERVING TO PRODUCE A CONTINUOUS AND UNIFORMLY DISTRIBUTED MAGNETIC FIELD RADIALLY ACROSS THE AIR-GAP BETWEEN THE POLE MEMBERS, AND A ROTARY ARMATURE OF ANNULAR FORM AXIALLY EXTENDED WITHIN THE AIR-GAP FROM ONE END OF THE POLE MEMBERS AND CO-AXIALLY MOUNTED IN RELATION TO THE POLE MEMBERS AFORESAID, SAID ARMATURE INCLUDING A LAMINATED CORE HAVING PERIPHERALLY SPACED CONDUCTOR RECEIVING SLOTS ALTERNATELY ARRANGED IN CONCENTRIC CIRCULAR SERIES AND HAVING A PLURALITY OF CONDUCTORS EXTENDING AXIALLY THEREOF AND DISPOSED IN PARALLEL RELATION TO EACH OTHER, WITH THE CONDUCTORS LYING WITHIN THE AIR-GAP, AND CURRENT COLLECTOR MEANS OPERATIVELY CO-ACTING WITH THE RESPECTIVE OPPOSITE ENDS OF THE ARMATURE CONDUCTORS.