Inductive fluid flow meter having an inductive target provided on the shaft
First Claim
Patent Images
1. A fluid flow meter, comprising:
- means for defining a fluid flow path;
a rotor mounted on a rotor shaft and positioned in said fluid flow path including at least one target on said rotor shaft, wherein the target is inductive; and
a sensor assembly positioned in said fluid flow path including at least one sensor, wherein the sensor is inductive;
wherein said sensor assembly is located around said rotor shaft such that said at least one sensor is positioned adjacent said at least one target and wherein the shaft is balanced so that the at least one target does not create an imbalance in the rotor.
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Abstract
A fluid flow meter, including a fluid flow path and rotor. The rotor has at least one blade positioned in the fluid flow path. A ring is positioned upstream from, and adjacent to the rotor. The ring is adapted to condition the flow at the leading edge of the rotor blade over a range of operating conditions.
31 Citations
22 Claims
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1. A fluid flow meter, comprising:
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means for defining a fluid flow path; a rotor mounted on a rotor shaft and positioned in said fluid flow path including at least one target on said rotor shaft, wherein the target is inductive; and a sensor assembly positioned in said fluid flow path including at least one sensor, wherein the sensor is inductive; wherein said sensor assembly is located around said rotor shaft such that said at least one sensor is positioned adjacent said at least one target and wherein the shaft is balanced so that the at least one target does not create an imbalance in the rotor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification