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. 07, 1992
Filed:
Oct. 12, 1990
Applicant:
Inventors:
John F Thurston, Mesa, AZ (US);
Stuart L Booth, Tempe, AZ (US);
Assignee:
Allied-Signal Inc., Morris Township, Morris County, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
73202 ; 7386119 ; 7386163 ;
Abstract
A volumetric fluid flowmeter and method utilizes a venturi nozzle in the flow being measured, along with a negative feedback fluidic oscillator driven by a small bypass flow diverted from the main flow upstream of the venturi nozzle, and subsequently re-introduced into the main flow in the throat section of the venturi.