Patent ID: 8070421
Filing Date: 2011-12-06
Classification: F01D,F05B,F05D

Abstract:
1. A sealing interface for a component in a turbine machine having cooled components, said component including a bore extending into said component from an outer side wall thereof, said sealing interface comprising: an entrance passage defining an outer end of said bore adjacent said outer side wall of said component; a shoulder surface defined by a surface of said component at an end of said entrance passage distal from said outer side wall; an undercut portion within said entrance passage adjacent said shoulder surface, said undercut portion comprising an annular groove; and a plug located within said entrance passage and including a mechanical clamping portion comprising an inner end portion of said plug including an outwardly extending flange deformed within said undercut portion for mechanically retaining said plug within said entrance passage, said plug engaged with said shoulder surface to create a substantially fluid tight seal between said plug and said shoulder surface so as to restrict a passage of fluid out of said entrance passage.