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:
Nov. 07, 1995
Filed:
Aug. 12, 1994
Applicant:
Inventors:
Jay N Zemel, Jenkintown, PA (US);
Hsin-Yi Hsieh, Drexel Hill, PA (US);
Assignee:
Gas Research Institute, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
73195 ; 732025 ; 7320423 ; 7320425 ;
Abstract
A system and method for simultaneous measurement of thermal conductivity and the mass flow of a fluid comprising two conduits arranged in a concentric or bypass arrangement through which the fluid is flowing, a pyroelectric anemometer disposed within each of the two conduits, and a differential amplifier connected to each of the pyroelectric anemometers which generate a signal based upon flow of fluid through the conduits.