发明授权
US5000050A Mass-flow sensor using aerodynamic damping 失效
质量流量传感器采用气动阻尼

Mass-flow sensor using aerodynamic damping
摘要:
A fluid mass flow sensor uses the effect of aerodynamic drag on a vibrating object. The drag damps the resonance oscillations of the vibrator in an amount proportional to the mass flow. An electronic feedback circuit associated with the mass flow sensor has the effect of allowing for fast response time despite the use of a high Q vibrator and allows for electronic calibration of the device.
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