Rotary kinetic fluid motors or pumps – With passage in blade – vane – shaft or rotary distributor...
Reexamination Certificate
2006-12-19
2009-08-25
Verdier, Christopher (Department: 3745)
Rotary kinetic fluid motors or pumps
With passage in blade, vane, shaft or rotary distributor...
C415S173700, C415S174500, C415S189000, C415S191000, C415S209200, C415S210100, C416S095000, C416S09700R
Reexamination Certificate
active
07578653
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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Co-pending U.S. Appl. No. 11/642,002, filed Dec. 19, 2006.
Hunter Scott David
Klasing Kevin Samuel
Lee Ching-Pang
Andes William S.
Conte Francis L.
General Electric Company
Verdier Christopher
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