New pump design for the reverse osmosis and the water hydraulic
with a revolutionary rotary piston principle and with a new work process.
Video 1.4
A Pump (2GPM at1000PSI) running in the work shop of the inventor.
The Piston Rotor and the Cylinder Rotor - the only moveable parts of the entire pump.
The different versions of the same principle as pump and water hydraulic motor respectively.
The ideal pump for the reverse osmosis with energy recovery
Pump and Water Hydraulic Motor respectively.
Water Hydraulic Motor and pump in one housing.
Two piston rotors on one shaft.
newpumps.htm . .The basic function of the Wolfhart Principle etc
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