| 摘要 |
The invention relates to a piston arrangement (11) for an internal combustion engine, especially for an optically accessible research internal combustion engine, comprising at least one piston (30) that can be cooled with cooling air. In order to improve the cooling process, the piston comprises a hollow annular cooling body (12) located in the region (13) of the piston rings (14, 15), said cooling body being provided with a cooling fin arrangement (24), in the region of the inner envelope surface thereof, comprising at least one cooling fin (25) and through which the cooling air flows. |
