Helical fluid signal to pressure signal converter

Claim 1

FLUID SIGNAL TRANSDUCER APPARATUS FOR CONVERTING AN INPUT HELICAL FLUID STREAM SIGNAL INTO A DIFFERENTIAL PRESSURE OUTPUT SIGNAL, THE STREAM OF SAID INPUT SIGNAL BEING CONFINED BY A CIRCULAR CROSS SECTIONED SIGNAL STREAM TRANSMISSION PASSAGE, SAID TRANSDUCER APPARATUS COMPRISING; (A) A FLUID SIGNAL PASSAGE OUTLET MEMBER FOR DELIVERING SAID FLUID SIGNAL STREAM INTO AN EXPANSION ZONE, SAID OUTLET MEMBER FORMING AN EXTENSION OF SAID SIGNAL STREAM TRANSMISSION PASSAGE AND FORMING A CIRCULAR OUTLET ORIFICE OF THE SAME DIAMETER AS THE PASSAGE IN A PLANE TRANSVERSE TO THE LONGITUDINAL AXIS OF THE PASSAGE, (B) A PARTIAL OBSTRUCTION AND SEPARATION ZONE DEFLECTION MEMBER DISPOSED ADJACENT TO AND ACROSS A PORTION OF THE OUTLET ORIFICE, SAID PARTIAL OBSTRUCTION AND SEPARATION ZONE DEFLECTION MEMBER INCLUDING A LINEAR EDGE PORTION DISPOSED ESSENTIALLY IN THE TRANSVERSE PLANE OF THE ORIFICE, SAID LINEAR EDGE PORTION EXTENDING ACROSS THE OUTLET ORIFICE AND THROUGH A PAIR OF POINTS ALONG THE PERIPHERY OF THE ORIFICE, SAID POINTS BEING DISPOSED AT THE INTERSECTION OF A FIRST REFERENCE CHORD LINE AND THE PERIPHERY OF THE ORIFICE, SAID PARTIAL OBSTRUCTION AND SEPARATION ZONE DEFLECTION MEMBER BEING SHAPED TO FORM A TRANSVERSE OBSTRUCTION TO THE DISCHARGE OF FLUID DISPOSED ACROSS THE AREA OF THE ORIFICE BETWEEN THE LINEAR EDGE PORTION AND THE PERIPHERY OF ORIFICE BETWEEN THE PAIR OF POINTS, THE AREA OF THE ORIFICE DIPOSED AT THE UNOBSTRUCTED SIDE OF THE EDGE PORTION COMMUNICATING WITH THE EXPANSION SPACE FOR DISCHARGING THE FLUID THEREINTO SAID LINEAR EDGE PORTION SERVING TO DEFINE A FLOE SEPARATION ZONE ALONG THE SIDE OF THE UNOBSTRUCTED FLUID DISCHARGE STREAM ADJACENT TO SAID EDGE PORTION, SAID LINEAR EDGE PORTION BEING SO SHAPED THAT IMPINGEMENT OF A FLUID HAVING A ROTATIONAL COMPONENT OF MOTION AGAINST SAID LINEAR EDGE PORTION CAUSES THE ONE AND THE OTHER OF CHORDALLY OPPOSITE PORTIONS OF THE FLOW SEPARATION ZONE TO BE UNEQUALLY DEFLECTED FROM ITS POSITION IN ABSENCE OF A ROTATIONAL COMPONENT OF STREAM FLOW, WITH THE RELATIVELY GREATER DEFLECTION AT A SELECTIVELY ONE OR THE OTHER OF SUCH OF THE CHORDALLY OPPOSITE PORTIONS OF THE FLOW SEPARATION ZONES DEPENDING ON THE ANGULAR DIRECTION OF THE ROTATIONAL COMPONENT OF MOTION OF THE FLUID IN SAID PASSAGE, AND WITH THE DIFFERENCE BETWEEN THE DEFLECTION OF THE SEPARATION ZONE AT ONE AND THE OTHER CHORDALLY OPPOSITE PORTIONS DEPENDING UPON THE MAGNITUDE OF THE ANGULAR VELOCITY OF THE ROTATION COMPONENT OF STREAM FLOW, AND