Fluidic circuit for uniform, high velocity spray across a range of operating temperatures

A fluid insert for producing an oscillating spray pattern at low temperatures, the insert comprising:

• a body defining an inlet positioned within an upper portion of the body and an outlet positioned at a lower edge the body so that fluid flows in a common spatial plane along a major facing of the body from the inlet to the outlet;
• a major island and a minor island each formed symmetrically on the major facing around a centerline axis of the body and wherein the major island:
• i) is positioned closer to the inlet in comparison to the minor island, ii) includes a lower edge that is spaced apart from an upper edge of the minor island so as to define an exchange channel, and iii) has a larger maximum transverse width in comparison to the minor island;
• an interaction chamber positioned between the inlet and the outlet and having:
• i) an upper facing defined by a lower edge of the minor island, and ii) a lower facing including a pair of straight edge wall sections emanating in opposite directions from an opening defining the outlet, extending perpendicular to the centerline axis for a wall distance, and thereafter curving axially upward to define opposing protuberances;
• and
• opposing power nozzles defined by the opposing protuberances and opposing transverse ends of the major island;
• and
• wherein the power nozzles each direct a fluid jet toward opposing transverse ends of the minor island.