Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wieslaw A. Chlus0
Richard H. Page0
Date of Patent
June 1, 2010
0Patent Application Number
115241020
Date Filed
September 20, 2006
0Patent Primary Examiner
Patent abstract
A gas turbine engine has a turbine blade having a tip cap to close off internal cooling passages. The tip cap is formed with a plurality of purge holes, with there being at least two rows of purge holes. The increased number of purge holes spreads the cooling air outwardly across more of the surface area of the tip cap, and provides the tip cap with a better ability to withstand the extreme temperatures it faces in use.
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