Schlumberger Industries, Sa

Andrew John Carver

Luc Hernoux

Ibn&eacute; Soreefan

The invention provides a fluidic oscillator that is symmetrical about a longitudinal plane of symmetry (P), comprising an enclosure defining an oscillation chamber and having an inlet opening and an outlet opening through which the fluid flows and which are in alignment in said plane (P) in a &ldquo;longitudinal&rdquo; first direction (A), said inlet opening being made in the form of a slot that is narrow in a second direction (B) extending transversely to said plane (P) and elongate in a third direction (C) parallel to said plane (P) and perpendicular to said longitudinal first direction (A), wherein said slot is provided in an insert which is removable from said enclosure.

Fluidic oscillator, part designed to be incorporated in a fluidic oscillator and method for making such a fluidic oscillator

The invention relates to a fluidic oscillator that is symmetrical about a longitudinal plane of symmetry, the oscillator comprising an opening enabling a fluid to enter into an &ldquo;oscillation&rdquo; chamber in the form of a two-dimensional fluid jet oscillating transversely relative to said plane of symmetry, an obstacle occupying the major portion of said oscillation chamber and possessing a front wall provided with a cavity situated facing said opening and swept over by the fluid jet in oscillation, wherein two side walls extend on either side of the opening and form a nozzle inside the oscillation chamber extending towards the obstacle and having a longitudinal dimension that is less than the distance between the opening and the front wall of the obstacle.

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Seneca, SC, United States of America

Andrew John Carver