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Title: Emergency sacrificial sealing method in filters, equipment, or systems

Patent ·
OSTI ID:1345369

A system seals a filter or equipment component to abase and will continue to seal the filter or equipment component to the base in the event of hot air or fire. The system includes a first sealing material between the filter or equipment component and the base; and a second sealing material between the filter or equipment component and the base and proximate the first sealing material. The first sealing material and the second seal material are positioned relative to each other and relative to the filter or equipment component and the base to seal the filter or equipment component to the base and upon the event of fire the second sealing material will be activated and expand to continue to seal the filter or equipment component to the base in the event of hot air or fire.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC
Patent Number(s):
9,581,243
Application Number:
14/469,338
OSTI ID:
1345369
Resource Relation:
Patent File Date: 2014 Aug 26
Country of Publication:
United States
Language:
English

References (7)

Fire-protective cellular service ducting patent June 1978
Catalytic converter having a monolith with support and seal means therefor patent December 1980
Method of making foam-filled cellular structures patent October 1990
HEPA filter ceiling assembly with in-situ gelation of sealant patent July 1996
Methods of making a catalytic converter or diesel particulate filter patent November 1997
Fire resistant air transfer grille or damper patent June 2004
Fire stop outlet for small duct, high velocity air distribution systems patent October 2011

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