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2 176 072

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IPC

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Application

2000129406/28, 2000-11-21

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Start date

2000-11-21

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Actual filing date

2000-11-21

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Published

2001-11-20

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Inventor

Karmazinov F.V.Gumen S.G.Dikarev V.I.Kojnash B.V.

(73)

Holder

Karmazinov Feliks VladimirovichGumen Sergej Grigor'EvichDikarev Viktor IvanovichKojnash Boris Vasil'Evich

PHASE ULTRASONIC DEVICE TO TEST PRESSURE AND FLOW RATE OF LIQUID Russian patent published in 2001 - IPC

Abstract RU 2176072 C1

FIELD: measurement technology. SUBSTANCE: phase ultrasonic device incorporates high-frequency and modulating generators, modulator, instrument converter with two includes acoustic channels oriented in opposition, three phase shifters, two amplifiers, two units of delayed automatic gain control, phase detector of flow rate, flow rate recorder, phase pressure pickup, two amplifiers-limiters, demodulator, pressure recorder, four adders, reference voltage supply unit, eight squarers, two scaling multipliers, two phase inverters, two subtractors. Each acoustic channel includes radiator and detector. EFFECT: increased sensitivity thanks to fourfold amplification of small phase shifts corresponding to low flow rate and pressure of liquid in pipe-line. 1 dwg

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RU 2 176 072 C1

Authors

Karmazinov F.V.

Gumen S.G.

Dikarev V.I.

Kojnash B.V.

Dates

2001-11-20—Published

2000-11-21—Filed

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