摘要 |
The present invention relates to a fluid flow meter, comprising: means for defining a fluid flow path; a rotor, with at least one blade, positioned in said fluid flow path; and a ring positioned upstream from, and adjacent to, said rotor; wherein the ring is adapted to conditions the flow at the leading edge of the rotor blade over a range of operating conditions. By providing a ring the accuracy and flow measuring range may be improved. |
申请人 |
ELSTER WATER METERING LIMITED |
发明人 |
BARDON, ROSS JAMES;CLARIDGE, RONALD DESMOND;RASHID, ALAM;ROGERS, IVOR THOMAS;STOCKILL, WILLIAM DAVID;WRIGHT, DOUGLAS RICHARD |