Recovery shroud for damaged nuclear fuel elements

摘要

The shroud is designed to prevent components of a damaged nuclear fuel element from dropping into a pool. The shroud consists of a body 1 surrounding the nuclear element over the major part of its height, and a base 2 equipped with a device to attach it to the feed 13 of the fuel element. The attaching device is actuated by the rotation of a control shaft 17 capable of being inserted in the center of a hub 9 equipped with two arms 10, which carry at their ends gripper fingers 11, maintained in their position of engagement in the feet 13 by springs 20.