Patent ID: 7225818

Claim:
A water spraying device for dishwasher spray system, comprising: a water supply conduit having a water passage, a support structure on said water supply conduit and extending to a position opposite and displaced from said water passage, said support structure including an elongate element having two ends extending at each end from said conduit to said position opposite and displaced from said water passage, and a spinner nozzle between and rotatably mounted to said conduit and said support structure, said spinner nozzle having an inlet communicating with said water passage and a discharge passageway in said spinner nozzle, and said discharge passageway shaped to discharge water at an angle to the axis of rotation of said spinner nozzle for causing rotation of said spinner nozzle, wherein said discharge passageway has an open, curved trough extending between a radial direction and an axial direction relative to the axis of rotation of the spinner nozzle.