G - Physics – 01 – F
Patent
G - Physics
01
F
73/132
G01F 1/28 (2006.01) G01F 15/06 (2006.01)
Patent
CA 1335043
In the measurement of fluid flow, the generation of a linearly varying signal and a pulsation free display are provided by a flow responsive indicator having digit displays for numerically indicating the rate of measured flow. The digit displays are driven in accordance with a measured flow signal applied to circuitry for generating an updated display signal from a previous display signal and the current value of the measured flow signal. This analog updated display signal is converted into a digital signal for driving circuitry connected to each of the digit displays. The measured flow signal applied to the indicator is generated at a flow transmitter including a transducer, such as a Hall effect element. This transducer generates a signal varying with flow in response to movement of a vane mounted in proximity thereto. To provide a signal varying linearly with flow rate, a flexible element extends into the fluid stream and byaction thereof displaces the vane with reference to the transducer to generate the desired linearly varying signal.
556859
Kirby Eades Gale Baker
Mykrolis Corporation
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