Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ching-Pang Lee0
Kevin Samuel Klasing0
Scott David Hunter0
Date of Patent
August 25, 2009
0Patent Application Number
116420010
Date Filed
December 19, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A turbine stage includes a stator nozzle having a row of vanes mounted between inner and outer bands. The inner band terminates in an ovate ledge converging aft from the vanes with radially outer and inner convex surfaces joined at a convex apex. The ovate ledge reduces aerodynamic losses at the rotary seal with a row of following turbine rotor blades.
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