| 摘要 |
<p>In a lightened piston for internal combustion engines, of the so-called "H" type, namely of the type in which there are envisaged two opposed portions of skirt (3, 3 min ) having a limited circumferential extension, connected to a couple of reinforcing ribs (4), said ribs have a curvilinear and/or broken configuration, at least two sections of said ribs having portions forming an angle between each other.</p> |
