Pulsed eddy current pipeline inspection system and method

Details Pulsed eddy current pipeline inspection system and method Pulsed eddy current pipeline inspection system and method

G - Physics

01

N

G01N 27/90 (2006.01)

Patent

CA 2630050

A pulsed eddy current pipeline inspection device is provided. The pulsed eddy current pipeline inspection device comprises a plurality of stages longitudinally spaced apart from each other and adapted to move between a contracted position and an expanded position, and a plurality of sensors disposed around at least a portion of a circumference of each of the plurality of stages in the contracted position with at least one gap between sensors in each of the plurality of stages in the expanded position, the plurality of sensors being arranged such that the at least one gap in a first one of the plurality of stages is aligned with a portion of a second one of the plurality of stages that has sensors disposed thereon.

Dispositif d~inspection de canalisation par courants de Foucault pulsés, comprenant une pluralité d~étages espacés longitudinalement les uns des autres et conçus pour passer d~une position contractée à une position dilatée, et une pluralité de capteurs disposés autour d~une partie au moins d~une circonférence de chacun de la pluralité d~étages dans l~état contracté, avec au moins un espace entre des capteurs dans chacun de la pluralité d~étages dans l~état dilaté. La pluralité de capteurs sont agencés de façon à ce qu~au moins un espace dans un premier étage parmi la pluralité d~étages soit aligné sur une partie d~un deuxième étage parmi la pluralité d~étages sur laquelle sont disposés des capteurs.

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