Primary Inventor: Krishna P. Singh
Date of Publication: Feb. 15, 2022
Assignee: Holtec International, Inc.
Equipment Type: HI-STORM
Docket Number: HOL-018
Patent No.: US 11,250,963 B2
Application Number: 16/449,003
Prior Publication Data:
2020/0027608 A1, Jan. 23, 2020
Related US Application Data:
- Continuation of application No. 15/230,610, filed on Aug. 8, 2016, now Pat. No. US 10,373,722 B2, which is a continuation of Application No. 13/736,452, filed on Jan. 8, 2013, now Patent No. US 9,443,625, which is a continuation of Application No. 13/094,498, filed on Apr. 26, 2011, now Patent No. 8,351,562, which is a continuation-in-part of application No. 11/953,207, filed on Dec. 10, 2007, now Patent No. 7,933,374, which is a continuation of application No. 11/123,590, filed on May 6, 2005, and now Patent No. 7,330,526.
- Provisional application No. 60/671,552, filed on Apr. 15, 2005, provisional application No. 60/665,108, filed on Mar. 25, 2005.
Abstract: Method for storing high level radioactive waste. In one embodiment, the invention comprises: (a) providing a body portion comprising a floor, an open top end, an inner shell forming a cavity having, an outer shell surrounding the inner shell so as to form a space therebetween, and at least one opening in the inner shell that forms a passageway from the space into a bottom of the cavity; (b) placing a canister containing high level radioactive waste into the cavity; and (c) positioning a lid having at least one outlet vent atop the inner and outer shells so as to enclose the open top end of the body portion and the at least one outlet vent forming a passageway from a top of the cavity to the ambient atmosphere; and wherein at least one inlet vent forms a passageway from an ambient atmosphere to the space.