US 12,264,985 B1
Valve tester
Joseph P. Cichocki, Newark, DE (US); and Kevin Dennis Luckey, Lancaster, PA (US)
Assigned to EFC SYSTEMS, INC., Havre de Grace, MD (US)
Filed by EFC Systems, Inc., Havre de Grace, MD (US)
Filed on Apr. 1, 2024, as Appl. No. 18/623,668.
Int. Cl. G01M 13/003 (2019.01); F16K 37/00 (2006.01)
CPC G01M 13/003 (2019.01) [F16K 37/0083 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A method for testing a valve of a rotary atomizer using a system having a test device housing, a linear potentiometer at least partially disposed within the test device housing and including a resistive circuit operably coupled to a shaft that is movable with respect to the test device housing, and a controller operably connected to the linear potentiometer, the valve having a movable surface and being connected to an actuator, the method comprising:
(a) with the shaft of the linear potentiometer contacting the movable surface of the valve, obtaining, by the controller from the linear potentiometer, a first reference data point representing a first position of the movable surface of the valve;
(b) commanding, by the controller, the actuator to displace the movable surface of the valve in a first direction;
(c) obtaining, by the controller from the linear potentiometer, a first current data point representing a second position of the movable surface of the valve;
(d) determining, by the controller, whether the second position is equal to the first position;
(e) if the second position is not equal to the first position, setting, by the controller, the first current data point as the first reference data point and repeating steps (c) and (d); and
(f) if the second position is equal to the first position, recording, by the controller, the second position as a first end point reading of the valve.