New pumps, compressors, water hydraulic motors are introduced based on the
Wolfhart Principle - a new rotary piston machine combined with new
work-processes.
The physicist and inventor W.Wolfhart created a rotary piston machine without
any bearings in the power train and with only rotating pistons. A stroke motion
without mass forces is finally realized! Friction is eliminated or drastically
minimized respectively that such machines are able to run a priori without any
lubrication - even at high pressure. It is the ideal machine for many
applications (Inventor's text unchanged by ALLSTAR).
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