Patent ID: 7536932

Claim:
A spherical flywheel, the spherical flywheel comprised of an enclosing sphere, a concentric shell enclosed within the enclosing sphere, a concentric internal sphere enclosed within the shell, the internal sphere comprised of a rigid material, the internal sphere connected fixedly to the shell, the shell connected fixedly to the enclosing sphere, the enclosing sphere possessing an external surface, the external surface covered with a plurality of dimples, the spherical flywheel penetrated through its rotational axis with an axle, the axle attached at each end to an axle attachment means where the axle extends beyond the external surface, the axle attachment means each attached fixedly to an external axle, each external axle extending in line with the axle, the axle attachment means attached fixedly to the external surface of the enclosing sphere, the density of the shell greater than the density of the concentric internal sphere.