G - Physics – 01 – L
Patent
G - Physics
01
L
73/125
G01L 13/00 (2006.01) G01F 1/34 (2006.01) G01F 1/42 (2006.01) G01F 1/46 (2006.01)
Patent
CA 1134173
Abstract of the Disclosure An apparatus for determining the differential pressure and the volumetric fluid flow in a conduit. The apparatus comprises an annular plate means positioned substantially coaxially within the conduit or within an open-ended housing forming part of the conduit. The annular plate means is provided, in its central portion, with an orifice for the fluid flow. On each side of the annular plate means there is a pipe loop provided with a series of ports, such as holes or slots with relatively small dimensions, for sensing the pressure at different points upstream and downstream, respectively, of the plate means. Pressure responsive means are operatively connected to the ports for determining the differential pressure on opposite sides of the plate means. An annular additional passage for the fluid flow is formed between the outer periphery of the annular plate and the inner wall of the conduit or the open-ended housing.
344164
Fincoil-Teollisuus Oy
Kirby Eades Gale Baker
LandOfFree
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