Free-piston engine generators and linear machines represent an innovative departure from conventional rotary systems, offering high thermal efficiency and operational flexibility by eliminating the ...

Building off a design invented and patented nearly 207 years ago by Robert Stirling, Qnergy’s Free Piston Stirling Engine is revolutionizing the capture of one of the most harmful pollutants out there ...

Sandia National Laboratory led by Sandia researcher Peter Van Blarigan that has been testing physical components of free-piston engines which could be 50% efficient. This is about twice as good as ...

We all know how a conventional internal combustion engine works, with a piston and a crankshaft. But that’s by no means the only way to make an engine, and one of the slightly more unusual ...

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An engine with no crankshaft, where the pistons float on air? It’s not a dream; it’s a free piston engine and it might be the next major advance in car tech. When we think of automotive technology of ...

There is probably no better chronicler into the full depth of American ingenuity than YouTube. Here one finds not just computer models for all manner of esoteric combustion engine designs, but actual ...

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THE Stirling engine, the brainchild of a 19th-century Scottish clergyman, is an invention that seems cursed by the gods of innovation neither to succeed nor to fail comprehensively and thus be ...