Appeal No. 2005-2404
Application No. 10/119,283
first and second annular mounting flanges having
circumferential outside surfaces and interior openings that
correspond in shape and size to the inside cross section of the
conduit,
planar flow impedance means having a center point, said
means being disposed between the first and second annular
mounting flanges, where the center point is coaxial with the
longitudinal axes of the interior openings of the flanges, and
said means having
a plurality of circular apertures eccentrically disposed
with respect to the center point of the impedance means.
21. A differential pressure flow meter for determining the
volumetric rate of fluid flow in a circular fluid conducting
conduit, comprising,
an annulus having,
a central opening that corresponds in shape and size to the
inside fluid conducting section of the circular conduit, and
a pitot tube type of fluid flow meter having a body that
includes upstream and downstream facing surfaces carried by and
mounted diametrically across the central opening of the annulus.
THE REFERENCES
Nowacki et al. (Nowacki) 4,884,460 Dec. 5, 1989
Wiklund et al. (Wiklund) 5,817,950 Oct. 6, 1998
Kleven (Kleven ‘568) 6,311,568 Nov. 6, 2001
Kleven (Kleven ‘297) 6,543,297 Apr. 8, 2003
(filed Sep. 13, 1999)
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