Turbine stator vane and rotor blade arrangement

Details Turbine stator vane and rotor blade arrangement Turbine stator vane and rotor blade arrangement

2008-12-16

2011-12-06

Bryant, Kiesha (Department: 2891)

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

C416S09600A, C416S09700R

Reexamination Certificate

active

08070422

ABSTRACT:
A turbine rotor blade and stator vane assembly in which the rotor blades include a cooling air discharge slot formed within the blade platform to discharge cooling air toward a surface of the adjacent vane to prevent formation of a vortex flow over the region of the vane where the vane airfoil and the inner endwall merges around the fillet. The rotor blade includes a row of exit holes to discharge cooling air from an impingement cavity to provide cooling for the trailing edge. The platform injection cooling air ejection slot is connected to the impingement cavity and provides cooling for the platform and injection of cooling air to break down the formation of the vortex on the vane endwall region.

REFERENCES:
patent: 3945758 (1976-03-01), Lee
patent: 6077035 (2000-06-01), Walters et al.
patent: 6082961 (2000-07-01), Anderson et al.
patent: 6481959 (2002-11-01), Morris et al.
patent: 6830432 (2004-12-01), Scott et al.
patent: 7097417 (2006-08-01), Liang
patent: 7578653 (2009-08-01), Klasing et al.
patent: 7648333 (2010-01-01), Tibbott et al.

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