Hot oil would be injected into the cylinder (Fig 1/Port A), water droplets would then be introduced to that oil (Fig 2/Port B), then the resulting steam would force the piston down (Fig 3)
A cut-away view of the prototype HydroICE engine, with cotton batten indicating how steam would be used to drive the piston down
The prototype HydroICE engine
OK, first things first – stop picturing a car with solar panels connected to its engine. What Missouri-based inventors Matt Bellue and Ben Cooper are working on is something a little different than that. They want to take an internal combustion engine, and run it on water and solar-heated oil instead of gasoline. That engine could then be hooked up to a generator, to provide clean electricity. While that may sound a little iffy to some, Bellue and Cooper have already built a small-scale prototype.
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