| 摘要 |
<p>The present invention relates to a detachable spacer for an annular nozzle, where the spacer is mounted to an outlet of the annular nozzle of a fan. Even when alien substances, such as dust, are collected on the spacer, the spacer can be separated whenever necessary and the alien substances on the spacer can be removed. Also, the spacer includes a detachable ring-shaped spacer: inserted into the outlet of the annular nozzle which forms a part of the fan; and which has thru holes located along the spacer at regular intervals and from which wind is discharged.</p> |
