US Patent 7698890 Propulsion system

A propulsion system. An illustrative embodiment of the propulsion system includes a drive shaft, a flywheel drivingly engaged by the drive shaft, a turbine unit having a plurality of turbine blades drivingly engaging the drive shaft and an air manifold having a plurality of air manifold nozzles directed toward the plurality of turbine blades, and an air tank reservoir pneumatically connected to the air manifold.