Solar pumping system for groundwater delivery uses solar heat to expand ground water in cylinder and initiate rod cycle under valve control to replace heated by freshly drawn groundwater.

摘要

The working cylinder (ARBEITSZYLINDER) is designed to withstand the water pressure and is closed off above by the control (STEUERKOPF) containing inlet and outlet valves as a function of the cylinder rod cycle and related cold and hot water exchange taking place with each cylinder cycle.