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:
Dec. 12, 2006
Filed:
Mar. 04, 2004
James Sullivan, East Hampton, CT (US);
Timothy J. Bailey, Longmeadow, MA (US);
Michael A. Davis, Glastonbury, CT (US);
Mark R. Fernald, Enfield, CT (US);
Richard Niezgorski, Milldale, CT (US);
James Sullivan, East Hampton, CT (US);
Timothy J. Bailey, Longmeadow, MA (US);
Michael A. Davis, Glastonbury, CT (US);
Mark R. Fernald, Enfield, CT (US);
Richard Niezgorski, Milldale, CT (US);
Cidra Corporation, Wallingford, CT (US);
Abstract
An apparatus measures the speed of sound and/or vortical disturbances propagating in a fluid flow to determine a parameter of the flow propagating through a pipe. The apparatus includes a sensing device that includes an array of pressure sensors used to measure the acoustic and convective pressure variations in the flow to determine a desired parameter. The sensing device includes a unitary strap having a plurality of bands disposed parallel to each other. The bands are interconnected by cross members to maintain the bands a predetermined distance apart. Each of the bands having a strip of piezoelectric film material mounted along a substantial length of the bands. The piezoelectric film material provides a signal indicative of the unsteady pressures within the pipe. The sensing device includes a conductive shield around the multi-band strap and the piezoelectric film material to provide a grounding shield.