Irrigation sprinkler nozzle

摘要

A spray nozzle for an irrigation sprinkler is provided, where the nozzle includes a constriction having a reduced cross sectional flow area achieved using a plurality of channels.

主权项

1. An irrigation spray nozzle configured for reduced flow, the nozzle comprising:
an inner portion having a plurality of ribs projecting radially outward from and joined along the entirety of their axial length to an outer circumference of the inner portion; an outer portion surrounding the inner portion and the plurality of ribs thereof and cooperating with the inner portion to define a plurality of flow passages between adjacent ones of the plurality of ribs of the inner portion and surfaces of the outer circumference of the inner portion disposed between the adjacent ones of the plurality of ribs, the plurality of ribs being effective to reduce a cross-sectional flow area between the inner and outer portions to reduce the flow through the nozzle; and a deflector downstream of the plurality of ribs of the inner portion for receiving water from the plurality of flow passages and deflecting the water outwardly, wherein the deflector has a neck with a plurality of flow notches disposed about its outer periphery, the plurality of flow notches being downstream of the plurality of flow passages disposed between adjacent ones of the plurality of ribs of the inner portion.