Flow probe pipe size detector

Details Flow probe pipe size detector Flow probe pipe size detector

2005-12-13

2005-12-13

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

C073S597000, C073S610000

Reexamination Certificate

active

06973842

ABSTRACT:
An acoustic time-of-flight size measuring device is added to the sensing head of an insertion probe sensor which may be used for measuring the flow of fluid in a pipe. The size-measuring device defines an acoustic beam making a plurality of reflective contacts with the pipe's interior wall. A time-of-flight measurement of this path length provides an accurate measurement of the internal diameter of the pipe. The magnitude of the transit time signal can also be used as an indicator of both insertion depth and angular orientation of the probe with respect to the pipe axis. In addition, the arrangement allows one to sense acoustic path attenuation caused by factors such as the buildup of deposits.

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patent: 6422093 (2002-07-01), Feller
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patent: 6739203 (2004-05-01), Feldman et al.

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