Super-heated Water at One Hundred Twenty Five Pounds Pressure (125psi) introduced into Piston Cylinder from (injector of 125psi) with Cylinder Pressure at just under and almost equal to 125psi is a pressure differential that allows the injector to move super-heated water from one location (injector) to another location (cylinder piston) at just a small pressure differential.
Super heated water now moved from injector (A) To Cylinder Location (B) where piston is located where Momentum Causes a downward force on the piston (crank shaft) and pressure Reduces in (B) where Superheated water now is not allowed to remain a liquid.
A drop in pressure from the piston moving downward just after super-heated None Processed natural water injection will cause a pressure problem on the water molecule which now allows the super heated water to violently boil into its gaseous atom struction and become separated as a steam vapor.
Water is then collected at the output and re-used back into the tank. The Fuel source is the Thermal source used to superheat the water at the or before the injection chamber (A) where aluminum is used threw-out the entire system.
Injection of super-heated water into (B) From (A) should be under pressure greater than the Maximum pressure created at engine cylinder (B) before Fuel can be transferred from (A) to (B).
The System is A Loop System, and the amount of water used is small. The longer run-time of engine, The more efficient the heating source becomes. It is important to realize the block-(B) will eventually become overheated and will need cooled.
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Never take a radiator cap off a car when the water is hot and under pressure) But if you must be stupid, cover yourself from the violence of being burned by the explosion.
Merry Christmas, And a happy (New Year)

HBJ