Francis-type hydraulic machine
Francis-type hydraulic turbine wheel equipped with a...
Frangible pressure relief disc assembly and positive...
Free floating wave energy converter
Free power
Free wing turbine
Free-piston compressed-gas engine variant and engine pinion...
Free-standing turbine with internal generator
Free-standing, immersible water turbine comprising an axial...
Free-yaw, free-pitch wind-driven electric generator apparatus
Freedom power
From the power of water comes energies
Functioning principle of an anti-gravitational system
Funnel wind generator