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. 13, 1988
Filed:
Jan. 15, 1987
Applicant:
Inventors:
Kenneth W Kolkebeck, Harrington Park, NJ (US);
Thomas A Mans, Harrington Park, NJ (US);
Assignee:
Tek-Air Systems, Inc., Northvale, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
73195 ; 7386122 ;
Abstract
Method and apparatus for measuring airflow in a duct utilizing the technique of vortex shedding include inducing the shedding of vortices at a frequency within the range of sound, sensing the sounds generated by the shedding of vortices to determine the frequency of vortex shedding, and converting the frequency of vortex shedding into information indicative of airflow measurements.