Patent ID: 8072086
Filing Date: 2011-12-06
Classification: H02J,H02P,Y02E,Y02P

Abstract:
1. An energy storage system for storing energy from wind, solar or other electrical energy generation sources, comprising: a sealed reservoir cavity adapted to maintain a pressure differential with ambient atmosphere exterior to said cavity; a pump having an intake port in sealed engagement with said reservoir cavity and having an exhaust port exterior to said cavity; electrically powered means to power said pump during an operative state; said pump in said operative state causing an evacuation of air from said reservoir cavity through said intake port, thereby creating an increase in said pressure differential; means for rotation of an electrical generator or alternator, employing a force of air communicating through an inflow to said reservoir during a generation state; and said generator or alternator generating electricity during said generation state, whereby electrical power produced during said operative state is stored as potential energy as said pressure differential in said reservoir cavity for an employment to power said generator or alternator to generate an output of said electricity during said generation state.