Circuit for the supply of condensable fluid to a solar engine
Closed cycle solar generator
Combined day and night solar energy system
Contaminant abatement process for geothermal power plant effluen
Conversion of energy by means of tethered whirlwinds
Conversion of geothermal energy from subterranean cavities
Converting solar energy into electric power
Countercurrent direct contact heat exchange process and system
Cyclical energy transfer method and apparatus