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:
Jul. 15, 2008
Filed:
Nov. 12, 2003
Mark R. Fernald, Enfield, CT (US);
Michael A. Davis, Glastonbury, CT (US);
Alan D. Kersey, South Glastonbury, CT (US);
Timothy J. Bailey, Longmeadow, MA (US);
Mark R. Fernald, Enfield, CT (US);
Michael A. Davis, Glastonbury, CT (US);
Alan D. Kersey, South Glastonbury, CT (US);
Timothy J. Bailey, Longmeadow, MA (US);
CiDRA Corporation, Wallingford, CT (US);
Abstract
A apparatusis provided that measures the speed of sound and/or vortical disturbances propagating in a single phase fluid flow and/or multiphase mixture to determine parameters, such as mixture quality, particle size, vapor/mass ratio, liquid/vapor ratio, mass flow rate, enthalpy and volumetric flow rate of the flow in a pipe, by measuring acoustic and/or dynamic pressures. The apparatus includes a spatial array of unsteady pressure sensors-placed at predetermined axial locations x-xdisposed axially along the pipe. The pressure sensors-provide acoustic pressure signals P(t)-P(t) to a signal processing unitwhich determines the speed of sound apropagating through of the process flowflowing in the pipe. The pressure sensors are piezoelectric film sensors that are clamped onto the outer surface of the pipe at the respective axial location.