Fish friendly hydraulic turbine distributor
Flap-gate for discharge side of a turbine having no wicket...
Float engine with weights
Float for sea wave energy conversion plant
Float for wave energy converter (wec)
Float type wave energy extraction apparatus
Floating cylinder wave energy conventor
Floating device for harnessing swell energy by lateral overflow
Floating device for production of energy from water currents
Floating tidal power plant to be placed in seas and rivers...
Floating water driven electric generator
Flow control valve
Flow converter
Flow duct of an axial-flow hydraulic machine
Flow engine
Flow enhancement for underwater turbine generator
Flow enhancement for underwater turbine generator
Flow enhancement for underwater turbine generator
Flow pipe comprising a water turbine having a variable...
Flow tubes for producing electric energy