| 摘要 |
<p>Water from a low pressure irrigation system is conveyed through a tube and sprayed upward from an orifice (18). A collection of splash plate water deflectors (38) rotates above the orifice on supports (26) extending up from the tube. Different surface shapes (20) on the splash plates create different spray patterns when they are rotated into the path of the water stream from the orifice. A flow rate valve (14) is incorporated into the tube to regulate water flow.</p> |
