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Publication of GR1002749BpublicationCriticalpatent/GR1002749B/en
A system comprising a piston, a cylinder, a crankshaft, pipes (1, 2), return valves (3, 4), and a tank with a siphon (5, 5a) at (1). The crankshaft (6) drives (2) to reciprocating motion at a balance with counterbalances (6
GR960100317A1996-09-121996-09-12Positive displacement water pump
GR1002749B
(en)
System for desalinating sea water uses inverse osmosis with osmosis membrane, and one or more double effect cylinders each with two pistons joined by common rod and describing alternating pumping movement