Patent ID: 7918911
Filing Date: 2011-04-05
Classification: E04B,F16J

Abstract:
1. An air seal around a passageway between abutting walls in adjacent plenums, where the passageway is defined by inwardly facing edges of the abutting walls, said seal comprising: a first channel, containing a sealant, located in a first one of said plenums and extending around the periphery of said passageway, said first channel partially overlapping the wall of said first plenum and partially extending past the inwardly facing edges of said walls into said passageway; a second channel, containing a sealant, located in a second one of said plenums and extending around the periphery of said passageway, said second channel partially overlapping the wall of said second plenum and partially extending past the inwardly facing edges of said walls into said passageway; a first blade projecting from the wall of said first plenum into the sealant in said first channel; a second blade projecting from the wall of said first plenum into the sealant in said second channel; and a third blade which extends into the sealant in both said first and second channels and extends across the inwardly facing edges of said walls.