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An improved fluidic oscillator, that operates on a pressurized liquid flowing through the oscillator to generate a liquid jet that flows into the surrounding gaseous environment to form of an oscillating spray of liquid droplets, includes: a member into which is fabricated a two-portion, flow channe

An improved fluidic oscillator, that operates on a pressurized liquid flowing through the oscillator to generate a liquid jet that flows into the surrounding gaseous environment to form of an oscillating spray of liquid droplets, includes: a member into which is fabricated a two-portion, flow channel, with its first portion configured so as to create the flow phenomena in the member that yields the spray's oscillating nature, and its second portion includes a splitter that is used to divide the jet into component sprays whose centerlines assume a specified yaw or pitch angle relative to the centerline of the oscillator.

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1. An improved fluidic oscillator that operates on a pressurized liquid flowing through said oscillator to generate an oscillating spray of liquid droplets into a surrounding gaseous environment, said oscillator of the type having a centerline, an interaction chamber and a means for inducing oscilla

1. An improved fluidic oscillator that operates on a pressurized liquid flowing through said oscillator to generate an oscillating spray of liquid droplets into a surrounding gaseous environment, said oscillator of the type having a centerline, an interaction chamber and a means for inducing oscillations in said liquid flowing through said chamber, said chamber having sidewalls that extend downstream and converge towards said oscillator centerline so as to form an outlet for said oscillator, wherein the improvement comprises: a splitter having a generally flat surface with a first and second edge, said surface facing generally in the upstream direction towards said interaction chamber,wherein said oscillator outlet having a first and a second edge, each of which are laterally spaced away from said oscillator centerline and serve to define an oscillator outlet plane that is generally perpendicular to said oscillator centerline,said first splitter edge situated a first specified distance downstream of said oscillator outlet plane and said second splitter edge situated a second specified distance downstream of said oscillator outlet plane,said first splitter edge cooperating with said outlet first edge to cause a portion of the liquid that flows through said outlet to split into a first component spray that flows between said first splitter and outlet edges, said first component spray having a centerline that has an imposed, first splitter angle relative to said oscillator centerline, andsaid second splitter edge cooperating with said outlet second edge to cause a portion of the liquid that flows through said outlet to split into a second component spray that flows between said second splitter and outlet edges, said second component spray having a centerline that has an imposed, second splitter angle relative to said oscillator centerline. 2. The improved fluidic oscillator as recited in claim 1, wherein said spray being characterized by properties such as its fan angle, mean exit velocity and the uniformity of the spatial distribution of its droplets, andwherein said imposed splitter angles are chosen so as to alter said properties of said oscillating spray so that at least one of said spray properties assumes a desired value. 3. The improved fluidic oscillator as recited in claim 1, wherein said splitter is in the form of a horizontal splitter and oriented with respect to said oscillator centerline so as to split said flow into yawed, right- and left-side spray components. 4. The improved fluidic oscillator as recited in claim 1, wherein said splitter is in the form of a vertical splitter and oriented with respect to said oscillator centerline so as to split said flow into a two-tiered flow having pitched, upper and lower spray components. 5. The improved fluidic oscillator as recited in claim 1, where said first and second splitter edge specified distances downstream of said oscillator outlet plane are approximately equal. 6. The improved fluidic oscillator as recited in claim 1, wherein, to produce a spray with a larger overall fan angle, said imposed splitter angles are in the range of 5 to 45 degrees. 7. The improved fluidic oscillator as recited in claim 1, wherein said means for inducing oscillations in said liquid flowing through said chamber includes a power nozzle. 8. An improved fluidic oscillator that operates on a pressurized liquid flowing through said oscillator to generate an oscillating spray of liquid droplets into a surrounding gaseous environment, said oscillator of the type having a centerline, an interaction chamber and a means for inducing oscillations in said liquid flowing through said chamber, wherein the improvement comprises: an enclosure for said oscillator, said enclosure having an interior surface that includes sidewalls which attach to said interaction chamber so as to form an outlet for said oscillator, said outlet having edges that serve to define an oscillator outlet plane that is generally perpendicular to said oscillator centerline,a splitter located in said enclosure interior surface, said splitter having a generally flat surface with edges, said splitter surface facing generally in the upstream direction towards said interaction chamber, and with said splitter edges situated a specified distance downstream of said oscillator outlet plane,said splitter edges cooperating with said outlet edges to split the liquid that flows through said outlet into component sprays that flow between said splitter and outlet edges, andeach of said component sprays having a centerline that, because of the relative orientation of said splitter and outlet edges, has an imposed splitter angle relative to said oscillator centerline. 9. The improved fluidic oscillator as recited in claim 8, wherein said spray being characterized by properties such as its fan angle, mean exit velocity and the uniformity of the spatial distribution of its droplets, andwherein said imposed splitter angles are chosen so as alter said properties of said oscillating spray so that at least one of said spray properties assumes a desired value. 10. The improved fluidic oscillator as recited in claim 8, wherein said splitter is in the form of a horizontal splitter and oriented with respect to said oscillator centerline so as to split said flow into yawed, right- and left-side spray components. 11. The improved fluidic oscillator as recited in claim 8, wherein said splitter is in the form of a vertical splitter and oriented with respect to said oscillator centerline so as to split said flow into a two-tiered flow having pitched, upper and lower spray components. 12. The improved fluidic oscillator as recited in claim 8, wherein, to produce a spray with a larger overall fan angle, said imposed splitter angles are in the range of 5 to 45 degrees. 13. The improved fluidic oscillator as recited in claim 8, wherein said means for inducing oscillations in said liquid flowing through said chamber includes a power nozzle. 14. An improved fluidic oscillator that operates on a pressurized liquid flowing through said oscillator to generate an oscillating spray of liquid droplets into a surrounding gaseous environment, said oscillator of the type having a centerline, an interaction chamber and a means for inducing oscillations in said liquid flowing through said chamber, said chamber having sidewalls that extend downstream and converge towards said oscillator centerline so as to form an outlet for said oscillator and said outlet having edges that serve to identify an oscillator outlet plane that is generally perpendicular to said oscillator centerline, wherein the improvement comprises: a vertical splitter having a generally flat surface facing generally in the upstream direction and terminating in opposing flat surface edges, said splitter being situated in said oscillator outlet and apart from said oscillator outlet edges so that said splitter serves to split said flow from said oscillator outlet into a two-tiered flow having upper and lower spray components. 15. The improved fluidic oscillator as recited in claim 8, wherein said enclosure has a front portion which has been molded to include said outlet for said interaction chamber. 16. The improved fluidic oscillator as recited in claim 15, wherein a vertical and a horizontal splitter are downstream of said outlet for effectively creating a two-tiered sprayer that has first, second and third throats from which issue first, second and third component sprays, each of which has a centerline. 17. The improved fluidic oscillator as recited in claim 8, wherein said component sprays have an average exit velocity of at least 13 m/s. 18. The improved fluidic oscillator as recited in claim 17, wherein said component sprays have an exit velocity of at least 15 m/s. 19. The improved fluidic oscillator as recited in claim 8, wherein said improved oscillators provide larger overall horizontal fan angles than standard oscillators for a given Area Ratio in the range of 5 to 45 degrees, and so provide reduced visual impact as compared to standard oscillators. 20. The improved fluidic oscillator as recited in claim 19, wherein said oscillator is configured for use in automotive or windshield washer applications wherein said oscillator is carried in automotive windshield washing housing.