Swirl nozzle for a cooling system in gas turbine engines

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

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416 95, 416 96A, F01D 518

Patent

active

046663681

ABSTRACT:
Cooling air from turbine nozzle vanes of a hot gas turbine engine is collected from the vanes by an air connector. A conduit connects to the connector and terminates adjacent a turbine wheel so that air flows through the vanes and through the conduit to be emitted from the end thereof in a jet stream directed against the turbine wheel. A vaned swirl nozzle is inserted in the conduit and adjacent a turbine wheel to impart a turning impetus to the air flow stream being emitted from the nipple. The emitted air stream is then directed tangentially against or adjacent the turbine wheel in the direction of rotation thereof.

REFERENCES:
patent: 2988325 (1961-06-01), Dawson
patent: 3619076 (1971-11-01), Kydd
patent: 3791758 (1974-02-01), Jenkinson
patent: 3972181 (1976-08-01), Swayne
patent: 4113406 (1978-09-01), Lee et al.
patent: 4117669 (1978-10-01), Heller
patent: 4178129 (1979-12-01), Jenkinson
patent: 4214852 (1980-07-01), Tuley et al.
patent: 4314791 (1982-02-01), Weiler
patent: 4375891 (1983-03-01), Pask
patent: 4435123 (1984-03-01), Levine
patent: 4456427 (1984-06-01), Evans et al.

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