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    • 8. 发明授权
    • Magnetically attracted inspecting apparatus and method using a ball bearing
    • 磁力吸引检查设备和方法使用球轴承
    • US07395714B2
    • 2008-07-08
    • US10943088
    • 2004-09-16
    • Gary E. GeorgesonMichael D. FogartyDaniel J. Wright
    • Gary E. GeorgesonMichael D. FogartyDaniel J. Wright
    • G01N9/24
    • G01N29/28G01N29/2481G01N29/2487G01N29/265G01N2291/0422
    • An apparatus and method for inspecting a structure are provided which include probes with sensing elements and are disposed proximate the opposite surfaces of a structure, where only one of the probes need be driven. A tracking probe may be magnetically coupled to a driven probe and move in coordination therewith. Ring magnets may be used in the driven and tracking probes to provide the magnetic coupling and align sensing elements disposed in the centers of the ring magnets. The probes include ball bearings such as ball and socket bearings for supporting the structure and maintaining the desired orientation and spacing of the probes relative to the structure. A fluid, such as water or pressurized air, may be used as a couplant between an ultrasonic transducer and the structure. A water column skirt may be used to with a probe employing ball bearings for support.
    • 提供了一种用于检查结构的装置和方法,其包括具有感测元件的探针并且设置在结构的相对表面附近,其中仅一个探针需要被驱动。 跟踪探针可以磁耦合到被驱动的探针并与之配合移动。 环形磁体可用于驱动和跟踪探针,以提供磁耦合并对准设置在环形磁铁中心的感测元件。 探头包括球轴承,例如用于支撑结构并保持探针相对于结构的期望取向和间距的球轴承。 诸如水或加压空气的流体可以用作超声换能器和结构之间的耦合剂。 水柱裙可用于使用用于支撑的球轴承的探头。