DEVICE TO EXTRACT AND CONVERT LEGITIMATE ( INFORMATION ) COMPONENT OF SIGNAL OF TRANSDUCER OF FLOWMETER OF VORTEX TYPE

DEVICE TO EXTRACT AND CONVERT LEGITIMATE ( INFORMATION ) COMPONENT OF SIGNAL OF TRANSDUCER OF FLOWMETER OF VORTEX TYPE

flowmeters design to operate in fast-alternating and pulsating flows, including those carrying inhomogeneous inclusions. SUBSTANCE: proposed device includes preamplifier, adjustable band-pass filter, tuning unit, two comparators, divider of measurement subranges, adder, frequency converter, reset an...

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Hauptverfasser: BOLDIN V.S, ABRAMOV G.S, BARANOV S.L, ZIMIN M.I
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
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creator BOLDIN V.S
ABRAMOV G.S
BARANOV S.L
ZIMIN M.I
description flowmeters design to operate in fast-alternating and pulsating flows, including those carrying inhomogeneous inclusions. SUBSTANCE: proposed device includes preamplifier, adjustable band-pass filter, tuning unit, two comparators, divider of measurement subranges, adder, frequency converter, reset and blocking unit and matching output stage. Tuning unit incorporates phase detector, integrator and pulse-width modulator. Subrange divider includes low-frequency filter and comparator. Rest and blocking unit has rectifier, low-frequency filter and two comparators with different activation levels. Band-pass filter is made up of adder and two identical integrators. EFFECT: invention secures generation of maximum authentic information signal for measurement instrument of flowmeter within wide range of measured flow rates under conditions of enhanced high-frequency acoustic effect even at low speeds of flow. 24 dwg
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subjects MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
title DEVICE TO EXTRACT AND CONVERT LEGITIMATE ( INFORMATION ) COMPONENT OF SIGNAL OF TRANSDUCER OF FLOWMETER OF VORTEX TYPE
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