Porsche has filed patents for an engine cycle with two combustion events for every six strokes (or three rotations of the crankshaft). They call it a 2 x 3-stroke. I’d humbly suggest it’s a 4 ...

In the exhaust stroke, the exhaust valve is open and the combustion products are expelled from the cylinder. The sequence shown on the next page represents this behavior for a Mitsubishi direct ...

The key distinction between a conventional 4-stroke engine and a 6-stroke design ... Additionally, Porsche aims to push the ...

A RARE Victorian engine, one of only three on earth, has been found by accident in an Edinburgh attic. The magnitude of the ...

Internal combustion engines ... numbers come from? An engine's displacement is calculated using the diameter of its cylinders and the length of its crankshaft stroke to determine the volume ...

Richard Trevithick’s design had a boiler but this was removed to make the internal combustion engine. The German inventor Nicklaus Otto developed the first four stroke ... National 4/5 in ...