Fluidic oscillator having a wide range of flow rates, and a fluid meter including such an oscillator
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United States of America Patent
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Jun 17, 1997
Grant Date -
N/A
app pub date -
Jan 11, 1996
filing date -
Jul 13, 1993
priority date (Note) -
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Abstract
The invention provides a fluidic oscillator which is symmetrical about a longitudinal plane of symmetry (P), the oscillator comprising means for generating an oscillating two-dimensional fluid jet, an obstacle provided in its front portion with a cavity that is swept by the oscillating jet, and a longitudinal element disposed in the empty space situated downstream from said obstacle in such a manner as to partially subdivide said space into two identical zones, and to form between them at least one communication channel for the fluid. The invention also provides a fluid flow meter including such a fluidic oscillator.
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