Variable area turbine nozzle for turbine engines

Details Variable area turbine nozzle for turbine engines Variable area turbine nozzle for turbine engines

1993-10-28

1996-05-21

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

Combustion products generator

415115, 415160, F02C 712, F01D 518

Patent

active

055178170

ABSTRACT:
The present invention is a variable area turbine nozzle for use in a turbine engine. The variable area turbine nozzle adjusts the positions of its vanes to insure efficient operation of the turbine engine. The vanes rotate about bearing assemblies that are air cooled to extend the operating life of the bearing assemblies. Each vane is cantilevered off journal bearings outside the outer casing which carry moment loads while ball bearings take all radial loads for ease of rotation. This design provides long running time of the turbine nozzles without frequent overhaul.

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patent: 4695220 (1987-09-01), Dawson
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