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2 229 707

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(51)

IPC

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Application

2002125957/28, 2002-10-01

(24)

Start date

2002-10-01

(22)

Actual filing date

2002-10-01

(45)

Published

2004-05-27

(72)

Inventor

Lozovskij V.N.Rybka S.A.Usoshin V.A.Shelikhov G.S.Jampol'Skij M.S.

(73)

Holder

Lozovskij Vladislav Nikolaevich Moskva, Ul. Junykh Lenintsev, Kv.39Rybka Sergej Alekseevich Moskovskaja Obl., G. Lukhovitsy, Ul. Ostrovskogo, Kv.53Usoshin Vladimir Apollonovich Moskva, Ul. Zagor'Evskaja, Kv.114Shelikhov Gennadij Stepanovich Moskovskaja Obl., G. Ljubertsy, Kv.60Jampol'Skij Mikhail Semenovich Moskovskaja Obl., G. Ljubertsy, Kv.78

METHOD OF MAGNETIC INSPECTION OF PIPE-LINES Russian patent published in 2004 - IPC

Abstract RU 2229707 C1

FIELD: nondestructive testing of pipe-line transport. SUBSTANCE: magnetic transducers positioned on magnetic neutral in interpolar space of permanent magnets are arranged at specified distance one from another so that plane of each transducer is parallel to lines of force of magnetic poles. Transducers are connected in pairs in compliance with differentiating circuit. Lateral and longitudinally oriented flaws in pipe are distinguished by characteristic indications of signals picked off transducers while magnetic system is moved inside pipe. EFFECT: enhanced reliability and sensitivity to detection of flaws in pipes of main lines. 5 dwg

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RU 2 229 707 C1

Authors

Lozovskij V.N.

Rybka S.A.

Usoshin V.A.

Shelikhov G.S.

Jampol'Skij M.S.

Dates

2004-05-27—Published

2002-10-01—Filed