Patent ID: 8759992

Claim:
A mechanical energy accumulator comprising: a housing; a first pair of flywheels rotatable about a first axis within said housing; a second pair of flywheels rotatable about a second axis within said housing; a third pair of flywheels rotatable about a third axis within said housing, each flywheel of said first pair of flywheels being rotatable in opposite directions, each flywheel of said second pair of flywheels being rotatable in opposite directions, each flywheel of said third pair of flywheels being rotatable in opposite directions, said first, second and third axes being perpendicular to each other, said housing having openings thereon corresponding respectfully to locations of each of said flywheels; and a plurality of lids positioned on said housing respectfully over said openings, each of said plurality of lids having stator windings on an interior thereof, each of said flywheels having rotors formed thereon, the rotors being cooperative respectfully with the stator windings.