The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2015
Filed:
Jun. 27, 2013
Daniel Measurement and Control, Inc., Houston, TX (US);
Lawson Hamilton Ramsay, Falkirk, GB;
DANIEL MEASUREMENT AND CONTROL, INC., Houston, TX (US);
Abstract
Apparatus and method for monitoring operation of an ultrasonic flow meter. In one embodiment, an ultrasonic flow metering system includes a passage for fluid flow, an ultrasonic flow meter, and a condition monitor. The ultrasonic flow meter is configured to measure transit time of an ultrasonic signal through the fluid flowing in the passage. The condition monitor is coupled to the ultrasonic flow meter and is configured to monitor a parameter of operation of the ultrasonic meter, and to acquire a plurality of values of the parameter over time. The condition monitor is also configured to compute, for each of the acquired values, a difference between the acquired value and a predetermined reference, and to arrange the differences in time sequence.