Turbine engine with induced pre-swirl at compressor inlet

Details Turbine engine with induced pre-swirl at compressor inlet Turbine engine with induced pre-swirl at compressor inlet

1977-12-13

1980-09-16

Casaregola, Louis J.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Cross flow runner

415115, F01D 112, F04D 2954

Patent

active

042227038

ABSTRACT:
A method and apparatus for utilizing bleed air taken interstage from a multi-stage compressor and passing the bleed air through hollow engine support struts in the inlet area of the compressor, the struts being formed such that a jet flap will be provided by the bleed air discharging from the strut to induce a pre-swirl in the air drawn into the compressor at low operating modes.

REFERENCES:
patent: 2488783 (1949-11-01), Stalker
patent: 2649278 (1953-08-01), Stalker
patent: 2763427 (1956-09-01), Lindsey
patent: 3029011 (1962-04-01), Lewis
patent: 3572960 (1971-03-01), McBride
patent: 3628880 (1971-12-01), Smuland et al.
patent: 3643675 (1972-02-01), Wetterstad
patent: 3751909 (1973-08-01), Kohler

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