Internal combustion engine

An internal combustion engine is a power machine that directly converts thermal energy into mechanical energy by burning fuel (such as gasoline, diesel, natural gas, etc.) inside cylinders. Its core principle is: the fuel mixes with air and combusts within the cylinder, generating high-temperature, high-pressure gas that drives piston motion. The reciprocating motion is converted into rotational mechanical energy via a crankshaft linkage mechanism, powering equipment operation.