Resource efficient water power prime mover
Retrofittable power supply
Retrofittable wind powered electric generator
Revolving power tower
Right-and-left-wheel differential torque generator of vehicle
Rim-type hydroelectric machine
Rim-type hydroelectric machine
Rim-type hydroelectric machine
Ring generator
Ring generator for a wind power installation
River and tidal power harvester
RMS energy conversion
RMS energy conversion
Road traffic actuated generator
Road vehicle electrical systems
Rocking motion charging device using faraday principle
Rotatable wheel for developing fluid kinetic energy by accepting
Rotating field mass and velocity analyzer
Rotating nozzle generator
Rotational inertia aided electric generator