Tip flow barrier for a pitot tube type of fluid flowmeter

Details Tip flow barrier for a pitot tube type of fluid flowmeter Tip flow barrier for a pitot tube type of fluid flowmeter

1998-08-08

2000-12-26

Fuller, Benjamin R.

Measuring and testing

Volume or rate of flow

Using differential pressure

73861, 73 52, G01F 146, G01F 137

Patent

active

06164143&

ABSTRACT:
A device and method provide improved measurement of flow through an enclosed channel, such as a pipe. A flow measurement device, such as a differential pressure sensing pitot tube, includes a pressure sensing probe that is inserted into the pipe for measuring the rate of fluid flow therein. A compressible or elastic barrier is attached to the distal end of the sensing probe to fill the space between the tip end of the sensing probe and the nearby portion of the inside wall of the fluid carrying pipe. The resilient barrier prevents undesirable fluid flow between the tip end of the sensing probe and the inside wall of the pipe.

REFERENCES:
patent: 3803921 (1974-04-01), Dieterich
patent: 4703661 (1987-11-01), Evers
patent: 4961349 (1990-10-01), Tanis

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