| 摘要 |
<p>A garden hose spray gun for domestic or agricultural use comprising of a spray gun having a hose connection 9, water on/off valve 5, 6, 7, 8, 10, 11, 16 and a spray nozzle 3, with an added section of tubing in line with the spray, wherein the tubing is separated into two water chambers 12, 13 by a solid surface restrictor 4 which comprises of a concave dome at its centre, with a plurality of holes 14 around its circumference to facilitate the passage of water. The action of the restrictor will cause water in the first chamber to travel into the second chamber via the holes and significantly reduce the forward kinetic energy of the water without restricting flow rate at the source.</p> |
