Snap-in Insert for Reactivity Control in Spent Nuclear Fuel Pools and Casks

Primary Inventor: Stephen J. Agace
Contributing Inventor(s): Stephen E. Thompson, John D. Griffiths, Richard M. Springman
Date: Jan. 14, 2020
Status: Granted
Jurisdiction: US
Assignee: Holtec International, Inc.
Equipment Type: Vertical Air Cooled Condenser
Docket NumberHOL-064
Patent Number: US 10,535,440 B2
Application Number: 15/596,444

Prior Publication Data: US 2017/0316843 A1, Nov. 2, 2017

Related U.S. Publication Data:

  • Division of application No. 13/925,585, filed on Jun. 24, 2013, now Patent No. US 9,685,248 B2.
  • Provisional application No. 61/663,316, filed on June 22, 2012.

Abstract: A neutron absorbing apparatus, for insertion into a fuel cell storage system, includes a comer spine, a first all and a second wall, each wall being affixed to the comer spine to form a chevron shape. Each wall includes an absorption sheet affixed to the corner spine, each absorption sheet being formed of a metal matrix composite having neutron absorbing particulate reinforcement, and a guide sheet affixed to and covering a fractional upper portion of the absorption sheet and extending over a top of the absorption sheet. The absorption sheet extends along the comer spine a greater length than the guide sheet.