METHOD OF TESTING ARTICLE Russian patent published in 2007 - IPC G01N27/90 G01B7/06 

Abstract RU 2305280 C1

FIELD: nondestructive testing.

SUBSTANCE: method comprises connecting the winding of vortex current converter to the oscillation circuit excited by current pulses of varying frequency. The rate and the direction of the frequency scan change in two strokes of the conversion. The output signal from the converter is compared with the threshold level. The amplified voltage of the unbalance is used for control of the amplitude of the pulses of exciting current.

EFFECT: expanded functional capabilities.

1 dwg

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RU 2 305 280 C1

Authors

Bogdanov Nikolaj Grigor'Evich

Ivanov Boris Rudol'Fovich

Shchekotikhin Sergej Nikolaevich

Dates

2007-08-27Published

2006-04-17Filed