EDDY-CURRENT CONVERTER FOR QUALITY CONTROL OF CARBON FIBER-REINFORCED PLASTIC OBJECTS Russian patent published in 2021 - IPC G01N27/90 

FIELD: defectoscopy.

SUBSTANCE: invention relates to nondestructive inspection and can be used for control of quality of carbon fiber-reinforced plastic objects. Essence of the invention consists in the fact that the eddy-current converter for quality control of carbon fiber-reinforced plastic objects is additionally equipped with the third rectangular exciting coil, which is inserted into the second, wherein one side of the third exciting coil adjoins the passive side of the second excitation coil, and the opposite side of the third exciting coil is at a distance C from the passive side of the measuring coil, all exciting coils are connected in series, and the first and the second exciting coils are connected according to the measuring coil.

EFFECT: improved control stability and simplified connection scheme of the proposed transducer.

1 cl, 4 dwg