Paddle or turbine water wheel
Paddle wheels in a flow of water
Paddle wheels in a flow of water
Paneling of a nacelle of a wind energy installation
Parallel gear unit for a gearbox for a wind turbine
Parallel gear unit for a gearbox for a wind turbine
Partial splitter vane for reaction hydraulic turbine
Pelton bucket
Pelton hydraulic machine including means for injecting a...
Pelton turbine
Pelton turbine wheel, method for making same and pelton...
Pelton wheel for a turbine manufacture thereof
Pendulum actuated gearing mechanism and power generation...
Pendulum mechanism and power generation system using same
Pepetual motors
Perfected hydraulic machine preferably for minimum height...
Phonograph winding apparatus
Pipe flow-driven power generator
Pitch actuator for wind turbine generator, and wind turbine...
Pitch control device and system for wind power generator