Automatic inspection system for nuclear fuel pellets or rods

Details Automatic inspection system for nuclear fuel pellets or rods Automatic inspection system for nuclear fuel pellets or rods

1977-04-22

1978-07-04

Yasich, Daniel M.

Classifying, separating, and assorting solids

Adhesion

With selective differentiation

73 375, B07C 508, G01B 1304

Patent

active

040984087

ABSTRACT:
An automatic inspection system is provided for determining surface defects on cylindrical objects such as nuclear fuel pellets or rods. The active element of the system is a compound ring having a plurality of pneumatic jet units directed into a central bore. These jet units are connected to provide multiple circuits, each circuit being provided with a pressure sensor. The outputs of the sensors are fed to a comparator circuit whereby a signal is generated when the difference of pressure between pneumatic circuits, caused by a defect, exceeds a pre-set amount. This signal may be used to divert the piece being inspected into a "reject" storage bin or the like.

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patent: 3595067 (1971-07-01), Von Der Loe
patent: 3608355 (1971-09-01), Harrison
patent: 3863493 (1975-02-01), Busenkell
patent: 3895516 (1975-07-01), Swartz

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