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.

Date of Patent:
Jul. 11, 2017

Filed:

Aug. 11, 2015
Applicant:

Rosemount Inc., Shakopee, MN (US);

Inventors:

Gregory Robert Strom, Boulder, CO (US);

Robert Carl Hedtke, Young America, MN (US);

David Eugene Wiklund, Eden Prairie, MN (US);

Assignee:

Rosemount Inc., Chanhassen, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/46 (2006.01); G01F 1/32 (2006.01); G01F 1/50 (2006.01);
U.S. Cl.
CPC ...
G01F 1/46 (2013.01); G01F 1/3218 (2013.01); G01F 1/3254 (2013.01); G01F 1/50 (2013.01);
Abstract

A process variable transmitter is configured as a flowmeter for measuring flow of a process fluid through a conduit. The transmitter includes a pitot tube extending into the conduit which creates a differential pressure in the process fluid due to flow of the process fluid. An upstream process variable sensor is mounted on the pitot tube and coupled to the flow of process fluid to sense an upstream process variable of the process fluid. A downstream process variable sensor is mounted on the pitot tube downstream of the upstream process variable sensor and coupled to the flow of process fluid to sense a downstream process variable of the process fluid. Measurement circuitry determines the flow of the process fluid based upon the upstream process variable and the downstream process variable.


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