Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 22, 2007
Patent Application Number
11106198
Date Filed
April 14, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A turbine stage includes a row of airfoils joined to corresponding platforms to define flow passages therebetween. Each airfoil includes opposite pressure and suction sides and extends in chord between opposite leading and trailing edges. Each platform includes a crescentic ramp increasing in height from the leading and trailing edges toward the midchord of the airfoil along the pressure side thereof.
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