| 摘要 |
<p>A fan and duct assembly for a hovercraft or the like includes a fan 6 which is located immediately in front of the bell mouth 5 of a duct 4. A further duct 1 may be located downstream of the first duct and includes an entrance 2 and exit 3. The fan 6 consists of a housing 7 driven by a motor and with blades 8 extending from the housing. The rear duct 1 may include slats 9 that enable a reversal of airflow through the duct. The assembly may include rudders (11,12, fig 6) to direct the airflow exiting the ducts.</p> |
