DEVICE FOR LOCALIZING LEAKY POINTS OF PIPE LINE

FIELD: nondestructive testing of materials. SUBSTANCE: proposed device includes harmonic oscillator 1 whose one electrode is connected to ground 2 and other electrode is connected to pipe line 3, first loop antenna 4, first receiver 5, first band-pass filter 6, amplitude detector 7, route indicator...

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Bibliographic Details
Main Authors GUMEN S.G, DIKAREV V.I, KOJNASH B.V, KARMAZINOV F.V, DENISOV G.A, ROGALEV V.A
Format Patent
LanguageEnglish
Published 20.12.2002
Edition7
Subjects
BLASTING
HEATING
LIGHTING
MEASURING
MECHANICAL ENGINEERING
PHYSICS
PIPE-LINE SYSTEMS
PIPE-LINES
STORING OF DISTRIBUTING GASES OR LIQUIDS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
WEAPONS
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Summary:FIELD: nondestructive testing of materials. SUBSTANCE: proposed device includes harmonic oscillator 1 whose one electrode is connected to ground 2 and other electrode is connected to pipe line 3, first loop antenna 4, first receiver 5, first band-pass filter 6, amplitude detector 7, route indicator 8, second receiver 9, second band-pass filter 10, subtracter 11, first phase detector 12, first integrator 13, adjustable amplifier 14, synchronous detector 15, phase automatic frequency control circuit 16, second phase detector 17, second integrator 18, access and storage circuit 19, leakage indicator 20, pulse generator 21, delay circuit 22, reference frequency unit 23, first mixer 24, first intermediate frequency amplifier 25, second mixer 26, second intermediate frequency amplifier 27 and frequency meter 28. EFFECT: enhanced accuracy of localization of leakage. 2 dwg
Bibliography:Application Number: RU20010107056