20120114486 | OFFSHORE ENERGY STORAGE DEVICE - An aggregate to store energy as kinetic energy, includes a float body and conversion element. The float body is at least partially placed in a liquid and arranged to rotate in direct contact with the liquid and the float body is used by the aggregate to store energy in form of movement together with the surrounding liquid. Energy is supplied or extracted from the float body and surrounding liquid via conversion element or via a part that absorbs energy of movements in a fluid. The aggregate could further include the conversion element or the part that absorbs energy of movements. The energy is supplied or extracted from the float body and the surrounding liquid or from a combination of these. | 05-10-2012 |