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:
Dec. 15, 2020

Filed:

Sep. 09, 2016
Applicant:

Alfa Laval Corporate Ab, Lund, SE;

Inventors:

Thomas Priisholm, Kolding, DK;

Karsten Schack Madsen, Odense C, DK;

Axel Lund Henriksen, Odense C, DK;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 23/02 (2006.01); F16K 37/00 (2006.01); F16K 31/122 (2006.01); F16K 1/46 (2006.01); G05B 19/416 (2006.01);
U.S. Cl.
CPC ...
G05B 23/0224 (2013.01); F16K 1/46 (2013.01); F16K 31/1221 (2013.01); F16K 37/0033 (2013.01); F16K 37/0041 (2013.01); G05B 19/416 (2013.01); G05B 2219/45006 (2013.01);
Abstract

A valve controller for controlling a valve and a valve comprising the valve controller are disclosed. The valve comprises an actuator and a flow controlling unit. The valve controller comprises equipment for controlling the function of at least one of the actuator and the flow controlling unit. The valve controller is further configured to obtain one or more first parameter values indicative of a functionality of the equipment at startup of the valve controller. The valve controller is configured to monitor the equipment during operation of the valve controller for determining one or more second parameter values indicative of the functionality of the equipment and determining if a change in functionality of the equipment has occurred based on a comparison of the one or more second parameter values with the one or more first parameter values.


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