Hybrid vehicle
Hydraulic chamber incorporating a jet nozzle
Hydraulic motor driven electric generating unit
Hydraulic press with infinite head rotation
Hydraulic system with series wound pump drive motor
Hydro service system assembly
Hydro-electric generating station
Hydroelectric pumped-storage
Hydroelectric to hydrogen energy conversion
Hydrogen leak monitor for a turbine-generator
Hydrogen-cooled rotor for dynamoelectric machine
Hydrogen/electric energy distribution system
Hydrogenerator
Hysteresis battery charger
Hysteresis brake and method of calibration thereof
Hysteresis braking method and apparatus for electric motor
Hysteresis motor having amorphous metal rotor