Ocean wave air piston

Ocean wave energy extracting erosion reversal and power generati

Ocean wave hydro-electric generator facility

Offshore wind turbine with multiple wind rotors and floating...

Oil field induction generator system

Omni-directional vertical-axis wind turbine

On-vehicle rotary electric machine operating on two modes of...

Open cycle ocean thermal energy conversion system

Operating method for a hybrid car

Operating method for a wind turbine with a supersynchronous...

Operation control system for internal combustion engines

Optical probe shield

Output control system for series hybrid vehicle

Output control systems of combined cycle type electric power gen

Output power modulated wind responsive apparatus

Output regulator for a thermal power-producing plant

Output responsive field control for wind-driven alternators and

Output state detector for internal combustion engine

Output voltage controller of engine-driven generator

Overheat protection of an electrical component of an I.C....