G - Physics – 01 – F
Patent
G - Physics
01
F
G01F 1/00 (2006.01) F15C 1/22 (2006.01) G01F 1/32 (2006.01) G01F 1/66 (2006.01)
Patent
CA 2192583
A fluidic oscillator that is symmetrical about a longitudinal plane of symmetry (P) in which a longitudinal fluid flow direction is contained, the oscillator comprising: means (26b) for generating a two-dimensional jet of fluid that oscillates transversely relative to said longitudinal plane of symmetry (P); two ultrasound transducers (52, 54); and means (62-72) firstly for generating an ultrasound signal in the fluid flow travelling from one of said transducers towards the other, and secondly for receiving said ultrasound signal as modulated by the oscillations of the jet of fluid; and means (100) for processing the received signal so as to determine a volume-related quantity concerning the fluid that has flowed through said fluidic oscillator; characterized in that the ultrasound transducers (52, 54) are substantially in alignment with the longitudinal plane of symmetry (P).
L'invention a pour objet un oscillateur fluidique symétrique par rapport à un plan de symétrie longitudinal (P) dans lequel est contenue la direction longitudinale de l'écoulement de fluide et comprenant: des moyens (26b) pour engendrer un jet de fluide bidimensionnel oscillant transversalement par rapport audit plan de symétrie longitudinal (P); deux transducteurs ultrasonores (52, 54); des moyens (62-72) pour, d'une part, générer à partir de l'un desdits transducteurs un signal ultrasonore dans l'écoulement de fluide en direction de l'autre transducteur et, d'autre part, recevoir ledit signal ultrasonore modulé par les oscillations du jet de fluide; et des moyens (100) pour traiter le signal reçu afin de déterminer une quantité volumique de fluide écoulée dans ledit oscillateur fluidique caractérisé en ce que les transducteurs ultrasonores (52, 54) sont sensiblement alignés suivant le plan de symétrie lontidudinal (P).
Hocquet Philippe
Ligneul Patrice
Schlumberger Industries S.a.
Schlumberger Industries Sa
Smart & Biggar
LandOfFree
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