Why Do Diesel Engine Pistons Have Different Shapes From Gas Engines?
First and foremost, all modern diesel engines operate on the principle of compression-ignition. That is, the piston applies ...
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Porsche patents cleaner, more powerful six-stroke engine design
Contrast to all modern combustion engines that run the four-stroke Otto cycle that typically features one compression and ignition phase ... that in one cycle, the piston compresses the fuel ...