| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress pressure variation and flow rate variation of fluid supplied from a pump in selectively changing over a spray nozzle for spraying the fluid, in a fluid spray device for supplying fluid to a plurality of spray nozzles from the same pump. <P>SOLUTION: This fluid spray device includes: a plurality of dummy spray nozzles 120 arranged by respectively corresponding to a plurality of spray nozzles 20 and each performing fluid spraying equivalent to that of each spray nozzle 20; and fluid spray path changeover devices (three-way valves 50) each starting fluid spraying in the dummy spray nozzle 120 performing fluid spraying equivalent to that of an optional spray nozzle 20 in response to stop of the fluid spraying in the optional spray nozzle 20. <P>COPYRIGHT: (C)2013,JPO&INPIT |
