Patent ID: 6177157
Filing Date: 2001-01-23
Classification: F02B,Y10T

Abstract:
A thermal shield comprising:a. a first plate having a first peripheral region;b. a second plate having a second peripheral region;c. an interior chamber between said first plate and said second plate; andd. a seam including:i. a first portion of said first peripheral region and a first portion of said second peripheral region, wherein said first portions extend outwardly relative to said interior chamber;ii. a second portion of said first peripheral region and a second portion of said second peripheral region, wherein said second portions extend inwardly relative to said interior chamber;iii. a shoulder connecting said first portion and said second portion of said first peripheral region, said shoulder having an outermost surface as determined relative to said interior chamber;iv. a third portion of said first peripheral region and a third portion of said second peripheral region, wherein said third portions extend outwardly relative to said interior chamber; andv. a fourth portion of said first peripheral region and a fourth portion of said second peripheral region, wherein said fourth portions wrap at least partially around said outermost surface of said shoulder.