Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 13, 2016
Patent Application Number
14074648
Date Filed
November 7, 2013
Patent Citations Received
Patent Primary Examiner
Patent abstract
A new configuration for film cooling holes for gas turbine airfoils, such as rotor blades and stator vanes, provides both improved performance and is easier to manufacture than prior art holes. The new configuration machines a shallow trench across a row of prior art shaped cooling holes. Unlike prior art holes cut through a trench, where shaped holes are difficult to machine through a trench, the shallow trench can be easily machined across a row of shaped cooling holes.
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