Pulsating fluid spray apparatus

Details Pulsating fluid spray apparatus Pulsating fluid spray apparatus

B - Operations, Transporting

05

B

B05B 1/08 (2006.01) B05B 1/16 (2006.01) B05B 3/04 (2006.01) B05B 1/18 (2006.01)

Patent

CA 2074972

A fluid spray apparatus has an inlet assembly and an outlet assembly that are rotatable with respect to each other. The inlet assembly attaches to a fluid supply and has an outlet opening through Which the fluid passes. The outlet assembly has a plurality of inlets positioned to communicate with the outlet opening as the outlet assembly is rotated into different positions with respect to the inlet assembly. Each inlet communicates with a different passage through the outlet assembly and has a set of openings that form a unique spray pattern. One of the fluid passages includes a circular chamber in which a forced vortex is created by the fluid flow. A turbine valve is disposed in the chamber and is driven by the vortex to alternately cover and expose one set of openings. The turbine valve and a chamber wall have textured surfaces to reduce friction. The turbine valve is made of an acetal plastic filled with silicone and polytetrafluorethylene to further reduce friction. Appropriate selection of the sizes of inlet and outlet openings of the chamber regulates the pressure therein and optimizes the turbine operation.

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