Systems and methods for determining a flow rate or volume of fluid. The system includes a positive displacement meter including a plurality of non-contact sensors and gears configured to rotate in response to fluid flow through the meter. The gears may include detectable areas that may be sensed by the plurality of non-contact sensors to determine a rotational direction of the gears. The plurality of non-contact sensors may also be configured to generate respective detection signals indicative of a rotation state of the gears. The controller may be configured to receive the detection signals, determine a current rotation state, and increment a rotational count based on the changes in the current rotation state. The controller may use the rotational count to determine a flow rate or volume of fluid.
申请公布号
EP2972132(A4)
申请公布日期
2016.11.16
申请号
EP20140770865
申请日期
2014.03.14
申请人
ECOLAB USA INC.
发明人
TOKHTUEV, EUGENE;SKIRDA, ANATOLY;OWEN, CHRISTOPHER J.;CHRISTENSEN, WILLIAM M.;SCHILLING, PAUL SIMON