| 摘要 |
<p>The device (2) has a ventilation device (16) with a fan (20) for producing an airflow (34) within a tubular casing (10), where the fan is driven by a drive (18). The ventilation device has a receiving unit (22) for receiving an operating power for the drive from a tubular conductor (4). The ventilation device is arranged within the tubular casing. The drive is arranged within the conductor, where the conductor exhibits air openings (36, 38) that are implemented in a longitudinal direction of the conductor in an elongated manner.</p> |
