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    • 3. 发明授权
    • Low flow sprinkler
    • 低流量洒水机
    • US07954731B2
    • 2011-06-07
    • US10860818
    • 2004-06-04
    • Thomas A. AntonucciBrian W. LeesValery A. MongeKelly F. OlischefskiMichael F. TurkKeith E. TurnerRichard J. Russell, II
    • Thomas A. AntonucciBrian W. LeesValery A. MongeKelly F. OlischefskiMichael F. TurkKeith E. TurnerRichard J. Russell, II
    • B05B3/14
    • B05B3/0481B05B3/003B05B15/16B05B15/18
    • A rotary impact sprinkler is disclosed having a nozzle connected to a housing and a discharge deflector member connected to a rotatable shaft assembly without a dynamic seal between the nozzle and the deflector. The sprinkler may be provided with different nozzles and discharge deflectors that are easily removed and replaced for providing desired water flow and discharge characteristics. The shaft assembly and housing may have contacting braking surfaces outside of the water flow. The braking surfaces may provide a frictional braking force dependent on both water flow rate and water flow pressure. The sprinkler has a rotatable impact assembly supported by the shaft assembly and including a deflection member for rotating the impact assembly relative to the shaft assembly. The shaft assembly may have a pin for supporting the impact assembly at a position above the deflection member. A lower portion of the shaft assembly may be positioned in a recess in the housing such that a surface on the shaft assembly contacts a surface in the recess, and a highly wear resistant material may be disposed on the surface of either the shaft assembly or the recess for providing improved wear characteristics. The deflection member of the impact assembly may have a channel that receives a portion of the water stream for rotating the impact assembly, and the channel may expel the water from the sprinkler. The discharge deflector may have a varying profile for discharging water at varying trajectories.
    • 冲击喷洒器具有连接到壳体的喷嘴和连接到可旋转轴组件的排出导流构件,而在喷嘴和偏转器之间没有动态密封。 喷洒器具有不同的可替换喷嘴和排出偏转器,用于提供期望的排放特性。 轴组件和壳体具有在水流之外的接触制动表面,提供取决于水流​​速和压力的摩擦制动力。 喷洒器具有用于相对于轴组件旋转冲击组件的偏转构件,同时销将冲击组件支撑在偏转构件上方的位置。 轴组件的下部可以定位在壳体凹部中,并且高耐磨材料可以设置在轴组件或凹部的表面上,以提供改进的磨损特性。