TURBOMACHINE WITH AXIAL THRUST MANAGEMENT

Abstract: a turbomachine comprises a high-pressure rotor shaft defining an outer surface and including a rotor seal disposed along the outer surface. a compressor discharge plenum extends annularly around the outer surface of the high-pressure rotor shaft and is at least partially formed from an inner casing assembly defining a first airflow opening. the rotor seal is configured to form a first seal against a first surface of the inner casing assembly. a pressure seal disk is coupled to the high-pressure rotor shaft. the pressure seal disk is configured to form a second seal against a second surface of the inner casing assembly. the inner casing assembly, the high-pressure rotor shaft, the rotor seal, and the pressure seal disk form a pressure chamber therebetween. the pressure chamber is in fluid communication with the compressor discharge plenum via the first airflow opening.

Inventor(s): Ravindra Shankar Ganiger, David Raju Yamarthi, Rajesh Kumar, Hiranya Kumar Nath

CPC Classification: F02C7/28 (Arrangement of seals)

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