| 摘要 |
The invention relates to a piston (10, 110, 210) for an internal combustion engine, comprising a piston head (11, 111, 211) and a piston skirt, said piston head (11, 111, 211) having a circumferential ring section (15, 115, 215) and a circumferential cooling channel (16, 116, 216) in the region of the ring section (15, 115, 215). The cooling channel has a cooling channel floor (17, 117, 217) and a cooling channel ceiling (18, 118, 218). According to the invention, the cooling channel (16, 116, 216) has a narrowing (20, 120, 220). |
