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:
Mar. 27, 2018
Filed:
Nov. 21, 2014
Applicant:
Fluke Electronics Corporation, Everett, WA (US);
Inventors:
Malcolm Charles Brown, Wirral, GB;
Keith Norman McMann, Liverpool, GB;
Assignee:
Fluke Electronics Corporation, Everett, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/708 (2006.01); G01F 1/00 (2006.01); G01F 23/292 (2006.01);
U.S. Cl.
CPC ...
G01F 1/7086 (2013.01); G01F 1/007 (2013.01); G01F 23/292 (2013.01);
Abstract
A flow measuring device, comprising a container for receiving a flow of liquid, a plurality of optical sensors associated with the container, each of the plurality of optical sensors producing an output signal dependent upon the presence of liquid reaching a level in the container associated with each optical sensor, means for modifying the output signal in accordance with at least one predetermined temperature compensation factor, and means for calculating a flow rate from the time at which the liquid traverses between two levels in the container.