Segmented wind turbine

Selectively activated shape memory device

Self charging boiler for hydro electricity

Self energizing valve means for fluid translating devices

Self generated wind mills powered by huge industrial fans

Self running machine

Self supporting wind power station

Self-adjustable shrouded wind turbine

Self-adjusting contra-rotating axial flow pumps and turbines

Self-directing wind turbine

Self-governing fluid energy turbine

Self-propelled energy generator

Self-regulating wind turbine

Self-restored windmill

Self-sufficient motor

Self-sufficient water reserve activated by turbine

Self-supporting platform for a wind turbine

Self-trimming oscillating wing system

Self-winding spring motor

Semi-flexible supporting structure for wind turbine