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Title: Ultrasonic liquid-in-line detector for tubes

Abstract

An apparatus and method for detecting the presence of liquid in pipes or tubes using ultrasonic techniques A first piezoelectric crystal is coupled to the outside of the pipe or tube at the location where liquid in the tube is to be detected. A second piezoelectric crystal is coupled to the outside of the pipe or tube at the same location along the tube but circumferentially displaced from the first crystal by an angle around the pipe or tube of less than 180.degree.. Liquid in the pipe or tube is detected by measuring the attenuation of an ultrasonic signal sent by the first piezoelectric crystal and received by the second piezoelectric crystal.

Inventors:
 [1]
  1. Idaho Falls, ID
Issue Date:
Research Org.:
Idaho National Laboratory (INL), Idaho Falls, ID (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
875270
Patent Number(s):
H000912
Application Number:
07/318874
Assignee:
United States of Amercia as represented by United States (Washington, DC)
DOE Contract Number:  
AC07-84ID12435
Resource Type:
Patent
Resource Relation:
Patent File Date: 1989 Mar 06
Country of Publication:
United States
Language:
English
Subject:
statutory invention registration; ultrasonic; liquid-in-line; detector; tubes; apparatus; method; detecting; presence; liquid; pipes; techniques; piezoelectric; crystal; coupled; outside; pipe; tube; location; detected; circumferentially; displaced; angle; 180; degree; measuring; attenuation; signal; received; ultrasonic signal; piezoelectric crystal; ultrasonic liquid-in-line; ultrasonic techniques; ultrasonic technique; ultrasonic liquid; sonic signal; liquid-in-line detector; /73/

Citation Formats

Piper, Thomas C. Ultrasonic liquid-in-line detector for tubes. United States: N. p., 1991. Web.
Piper, Thomas C. Ultrasonic liquid-in-line detector for tubes. United States.
Piper, Thomas C. Tue . "Ultrasonic liquid-in-line detector for tubes". United States. https://www.osti.gov/servlets/purl/875270.
@article{osti_875270,
title = {Ultrasonic liquid-in-line detector for tubes},
author = {Piper, Thomas C.},
abstractNote = {An apparatus and method for detecting the presence of liquid in pipes or tubes using ultrasonic techniques A first piezoelectric crystal is coupled to the outside of the pipe or tube at the location where liquid in the tube is to be detected. A second piezoelectric crystal is coupled to the outside of the pipe or tube at the same location along the tube but circumferentially displaced from the first crystal by an angle around the pipe or tube of less than 180.degree.. Liquid in the pipe or tube is detected by measuring the attenuation of an ultrasonic signal sent by the first piezoelectric crystal and received by the second piezoelectric crystal.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1991},
month = {1}
}