| 摘要 |
<p>A variable air intake includes a movable ramp 2 driven by a carriage 6 that moves linearly on a drive screw 7. To protect the drive screw 7 from hot gases a thermal blind 13 is provided that moves with the carriage 6. The blind 13 is guided and supported by guide means 15, 18, 19 formed integrally with a structural unit 17 housing the drive screw 7, and is tensioned by tensioning means 16, 19.</p> |
