Patent ID: 7952238
Filing Date: 2011-05-31
Classification: H01F,H02K

Abstract:
1. A linear electric generator, comprising: a stator comprising a plurality of windings aligned along an axis and at least one additional stationary magnet structure positioned outside said windings; at least one magnetic armature arranged to be moved relative to the windings along the axis upon application of an external force; and at least one direction-reversing element provided at an end of said axis to apply a force to the magnetic armature in order to reverse its direction of travel, a magnetic body made up of at least four magnetic pole structures, each magnetic pole structure including a north pole and a south pole, said magnetic pole structures abutting each other such that north poles of first and second said magnetic pole structures face each other to form a north pole of said armature, a south pole of said second magnetic pole structure and a south pole of a third said magnetic pole structure face each other to form a south pole of said armature, and respective additional poles at ends of said armature form additional south and north poles of said armature to provide at least two north poles (N) and two south poles (S) of N-S alternating polarities arranged in series.