| 摘要 |
<p>The invention relates to a rotary electrical machine (10) defined by a housing (24, 26) comprising so-called ventilation openings (42, 44), characterised in that it comprises at least one grid element (58, 60) facing at least one ventilation opening in such a way as to attenuate the acoustic noises of the ventilation of the machine. The invention can be applied to a an alternator, a starter, or a retarder of a motor vehicle.</p> |
