Patent ID: 6651904
Filing Date: 2003-11-25
Classification: B05B

Abstract:
Watering nozzle for underground pop-up sprinkler, comprising a bottom part (17) fastened to a risible part (4) of the sprinkler (1), suitable to receive the water of flow coming from the base of the sprinkler (1) and to generate a jet in the form of a spray with a pre-established angular extension, and a top part (37) that is made up of a distribution cylinder (40) provided with radial slots (41) that proceed from its bottom to its sidewall so as to divide the water spray coming from said annular opening (100) into single jets, said distribution cylinder (40) being rotatable about its own axis due to the action of the water against the walls of said its radial slots (41), characterised in that at the top of said distribution cylinder (40) a fan wheel (70) coaxial to the cylinder (40) but with greater diameter is placed, said fan wheel (70) being cinematically connected with the distribution cylinder (40) so as to rotate in opposite sense as regards the cylinder (40) due to the effect of the rotation of the latter and being provided with fins (71) that extend downward in order to deviate in opposite sense with respect the one determined by the rotation of distribution cylinder (40), and therefore in radial direction, the water jets coming out of said slots (41) of said cylinder (40).