| 摘要 |
<p>The spray nozzle is fitted to an installation used for distributing agricultural palnt control liquids. It has a bore which widens at the outlet for a centrally positioned bush. This has fins attached, leaving an annular bore for passage of the liquid. The bush retains a spindle fitted with an externally mounted disc. The inner end of the spindle has a spiral drive unit which is rotated by the action of the air flow passing through the nozzle. The rotating disc distributes the liquid as a finely divided spray.</p> |
