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2 022 262

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IPC

(21) (22)

Application

5038181/25, 1992-04-20

(22)

Actual filing date

1992-04-20

(45)

Published

1994-10-30

(72)

Inventor

Fesenko Aleksandr IvanovichMatashkov Sergej SemenovichShtejnbrekher Valerij Vasil'EvichShlenkin Vladimir Semenovich

(73)

Holder

Fesenko Aleksandr IvanovichMatashkov Sergej SemenovichShtejnbrekher Valerij Vasil'EvichShlenkin Vladimir Semenovich

HEAT FLAW DETECTOR Russian patent published in 1994 - IPC

Abstract RU 2022262 C1

FIELD: measurement technology. SUBSTANCE: flaw meter has thermal head 1 provided with thermal flux primary converter 2, heater 3, temperature difference electron regulator 5, integral and differential channels 6 and 7, level detector 12, defect indicator 13, control circuit, pulse counter 18, decoder 19, code-to-voltage converter 21 and digital indicator 20. Thermal pulse sequence is applied to tested specimen and value of this sequence is defined. EFFECT: improved precision; improved reliability. 1 dwg

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RU 2 022 262 C1

Authors

Fesenko Aleksandr Ivanovich

Matashkov Sergej Semenovich

Shtejnbrekher Valerij Vasil'Evich

Shlenkin Vladimir Semenovich

Dates

1994-10-30—Published

1992-04-20—Filed