Turbine cooling air supply system

Rotary kinetic fluid motors or pumps – With passage in blade – vane – shaft or rotary distributor...

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Details

415116, F04D 2958

Patent

active

047085886

ABSTRACT:
Apparatus for supplying pressurized cooling air to the turbine blades (20) of a gas turbine engine is disclosed. Multiple nozzles (38 and 40) of a tangential on-board injection system for pressurizing the cooling air are staged to provide variable rates of cooling airflow to the blades.

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