Radial gate having fine tuning of flow control
Radial-axial flow hydraulic turbine of double governing
Reaction hydraulic turbine
Reaction turbines
Regulateurs de machines tournantes
Regulating installation for a pelton turbine
Regulating means for turbine machines
Reinforcement of water turbine casing
Removable francis turbine seals
Renewable electrical energy
Resilient runner seal
Reversible hydraulic engine
Reversible pump turbines
Reversible pump-turbine
Reversible pump-turbine
Revolutionary engine
Ribbon drive power generation apparatus and method
River ocean turbine
River turbine
Roliq motor