Piston for an internal combustion engine comprises reinforcing ribs running parallel to the piston middle axis on the inner wall of the piston shaft

摘要

Piston (10) comprises reinforcing ribs (25) running parallel to the piston middle axis (A) on the inner wall (22) of the piston shaft (16). Preferred Features: The reinforcing ribs extend from the region of the piston head (11) or from the upper region of the piston shaft up to the region of the free end of the piston shaft. The ribs are arranged opposite each other in a diametrical manner.