Rotary kinetic fluid motors or pumps – With passage in blade – vane – shaft or rotary distributor...
Patent
1975-03-25
1976-11-16
Raduazo, Henry F.
Rotary kinetic fluid motors or pumps
With passage in blade, vane, shaft or rotary distributor...
415136, 415217, F01D 518
Patent
active
039921263
ABSTRACT:
Apparatus for cooling the nozzle guide vanes in the turbine section of a gas turbine engine is disclosed. A plurality of guide vanes is cantilevered from the turbine case and extends radially inward across the path of working medium gases flowing through the turbine. A ring which is deformable in response to pressure forces is disposed between the vanes and the turbine case forming an annular chamber from which air is metered to the vanes during operation of the engine for cooling. In one embodiment platform cavities and airfoil cavities are alternately disposed between the vanes and the ring to isolate airfoil cooling air from platform cooling air.
REFERENCES:
patent: 2427244 (1947-09-01), Warner
patent: 3423071 (1969-01-01), Noren
patent: 3730640 (1973-05-01), Rice et al.
patent: 3781125 (1973-12-01), Rahaim et al.
patent: 3836279 (1974-09-01), Lee
Brown Henry B.
Cantor Eugene
DeTolla Francis L.
Vollinger Gary J.
Raduazo Henry F.
United Technologies Corporation
Walker Robert C.
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