Patent ID: 7863785

Claim:
An ac electric motor comprising: at least one electric transformer with a magnetic circuit having a central limb; the two ends of at least one unit-turn or fractional turn secondary winding of said transformer, projecting at an angle which is not normal to the longitudinal axis of said secondary winding; the primary winding of said electric transformer encircled by said unit-turn or fractional turn secondary winding; said two ends substantially coplanar and symmetrically disposed on the two sides of an imaginary median along said longitudinal axis; at least one armature means dielectrically bridging said two ends, confined to be moveable parallel to said longitudinal axis and physically in between said two ends, either said armature means or said two ends or both having dielectric means to electrically insulate said armature means from said two ends; said dielectric means having unity or more than unity electrical permittivity; two series-connected capacitors formed by said electrical permittivity of said dielectric means between said armature means and said two ends; said electric transformer having a primary winding connected with connection means to an alternating current electric power source; an estimation means for the resonant frequency of a series LC circuit comprising said two series-connected capacitors in series to the total effective inductance of the effective inductance respectively of said alternating current power source, said connection means, said electric transformer, said two ends and said armature means; the fundamental frequency of said alternating current power source is referenced to said resonant frequency to supply required electric power from said alternating current power source to said series LC circuit; the electrically conductive parts of said primary winding and said secondary winding of said electric transformer are either made of good conductors or superconductors; and the electrically conductive parts of said armature means too are either made of a good conductor or a superconductor.