• Waste heat recovery system with a two stages Rankin cycle internal combustion engine.
• Combined power generation, heating, cooling and air conditioning systems with the use of clean energy by solar windward.
• Electronic device of automatic pressure control (APC) and pump protection without a change in the direction of the fluid flow.
• Combined Cooler compression-ejector cycle Researching.
• Auto rotating incline crown of natural draft cooling towers for efficiency improvement in windy condition.