GEAR TO MEASURE MASS GRAIN FLOW IN ELEVATOR Russian patent published in 1995 - IPC

Abstract RU 2044277 C1

FIELD: measurement technology. SUBSTANCE: invention is meant for measurement of mass flow of product with dielectric constants different from environment, especially of loose materials. Gear to measure mass flow in elevator has body of elevator, weighing device, two capacitive pickups, two protection ring electrodes, measurement coat, two measurement electrodes, comparison electrode, tachometer, operational amplifier, switch, measurement circuit, source of variable voltage, differential amplifier, band-pass filter, phase-selective rectifier, low-pass filter, analog-to-digital converter and indicator. EFFECT: enhanced operational reliability and authenticity. 3 cl, 2 dwg

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RU 2 044 277 C1

Authors

Klaus Khorn[De]

Khorst Vajgel'T[De]

Stefan Bettinger[De]

Dates

1995-09-20Published

1992-02-24Filed