F - Mech Eng,Light,Heat,Weapons – 15 – C
Patent
F - Mech Eng,Light,Heat,Weapons
15
C
F15C 1/22 (2006.01) G01F 1/32 (2006.01)
Patent
CA 2306923
The invention relates to a fluidic oscillator that is symmetrical about a longitudinal plane of symmetry (P), the oscillator comprising an opening (22) enabling a fluid to enter into an "oscillation" chamber (24) in the form of a two-dimensional fluid jet oscillating transversely relative to said plane of symmetry (P), an obstacle (26) occupying the major portion of said oscillation chamber and possessing a front wall (40) provided with a cavity (42) situated facing said opening and swept over by the fluid jet in oscillation, the oscillator being characterized in that two side walls (34, 36) extend on either side of the opening (22) 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.
L'invention est relative à un oscillateur fluidique symétrique par rapport à un plan de symétrie longitudinal (P), comprenant, une ouverture (22) permettant au fluide d'entrer dans une chambre (24) dite d'oscillation sous la forme d'un jet de fluide bidimensionnel oscillant transversalement par rapport audit plan de symétrie (P), un obstacle (26) occupant la majeure partie de ladite chambre d'oscillation et possédant une paroi frontale (40) pourvue d'une cavité (42) située en vis-à-vis de ladite ouverture et qui est balayée par le jet de fluide en oscillation, caractérisé en ce que deux parois latérales (34, 36) parallèles entre elles s'étendent de part et d'autre de l'ouverture (22) et forment une buse à l'intérieur de la chambre d'oscillation, en direction de l'obstacle, suivant une dimension longitudinale inférieure à la distance entre l'ouverture et la paroi frontale de l'obstacle.
Carver Andrew John
Soreefan Ibne
Actaris Sas
Schlumberger Industries S.a.
Smart & Biggar
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