| 摘要 |
<p>The lubrication arrangement for the skirt (9b) of a piston (9) of an internal combustion engine comprises a cooling oil gallery (1) that is arranged inside the piston (9), a lubrication groove (2) that is arranged on the outer surface of the piston skirt (9b), at least one oil channel (10) for supplying lubrication oil into the lubrication groove (2), at least one oil chamber (6) that is arranged inside the piston (9) below the cooling oil gallery (1), and an oil delivery duct (5) for establishing fluid communication between the cooling oil gallery (1) and the oil chamber (6). The inlet (10a) of the oil channel (10) is arranged in the oil chamber (6) above the outlet (5b) of the oil delivery duct (5).</p> |
