Flow measuring device with multiple-static pressure holes

Details Flow measuring device with multiple-static pressure holes Flow measuring device with multiple-static pressure holes

1983-10-13

1985-10-15

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Using differential pressure

G01F 146

Patent

active

045466556

ABSTRACT:
A flow-sensing pitot tube is disclosed for mounting in a conduit for indicating the rate of fluid flowing in the conduit. The tube has forward openings facing up-stream for sensing dynamic pressure, and multiple static pressure sensing openings, including a pair disposed at an angle of 110 degrees rearwardly of the forward openings, for sensing static pressure. Pressures sensed by the forward and rear openings are used to indicate volumetric flow by using a flow coefficient that is substantially independent of the Reynolds Number of the fluid.

REFERENCES:
patent: 1508017 (1924-09-01), Greve
patent: 2352607 (1944-07-01), Alperin
patent: 3751982 (1973-08-01), Lambert
patent: 3895531 (1975-07-01), Lambert
patent: 4425807 (1984-01-01), Victor

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