System for identification of components

Details System for identification of components System for identification of components

1989-09-18

1992-03-24

Hunt, Brooks H.

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

376261, 376258, 376450, 235462, G21C 1700

Patent

active

050986422

ABSTRACT:
A method and apparatus for providing a permanent identification of reactor fuel assemblies with an in-reactor remote readout capability. A bar code type code assemblage is permanently coupled with the upper portion of the fuel assembly which is comprised of alternating components of magnetic and non-magnetic metal such as stainless steel. An active sensor including a magnetic core, excitation winding, and sensor or pick-up winding is employed to interact with the individual code components of the bar code assembly. The latter assembly may be formed as a sequence of rings through which the sensor is passed during a grappling procedure or as a sequence of vertically-oriented bar segments positioned outwardly of the fuel assembly and readable by rotating the fuel assembly before the active sensor.

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patent: 4625396 (1986-12-01), Ahmed et al.
patent: 4665369 (1987-05-01), Faller et al.
patent: 4822987 (1989-04-01), Goldenfield
patent: 4847474 (1989-06-01), Engel et al.

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