| 摘要 |
PURPOSE: A piston module for an internal combustion engine is provided to largely improve air tightness. CONSTITUTION: A piston module for an internal combustion engine comprises a cylinder(100), a piston assembly(200), a piston ring assembly, and piston ring contactor(400). The cylinder has an inhalation valve(110), a exhaust valve(120), and an ignition plug(130) on the upper portion. The piston ring assembly is mounted at the outer circumference of the piston assembly. |
