Reduced-length high flow interstage air extraction

Details Reduced-length high flow interstage air extraction Reduced-length high flow interstage air extraction

1998-12-07

2000-08-29

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid bypass

415185, 415191, 4152082, F01D 1302

Patent

active

06109868&

ABSTRACT:
A high flow interstage air extraction system for a gas turbine engine includes a 360 degree annular slot formed in a compressor stator casing by a first wall and a second wall. A plurality of baffle plates extend from the second wall to eliminate circumferential airflow. A plurality of stator vane platforms form at least a portion of the first wall. The annular slot results in large amounts of interstage compressor air being extracted from the compressor without adding length to the compressor and the engine.

REFERENCES:
patent: 3142438 (1964-07-01), McKenzie
patent: 3632223 (1972-01-01), Hampton
patent: 3777489 (1973-12-01), Johnson et al.
patent: 3945759 (1976-03-01), Bobo
patent: 4844689 (1989-07-01), Seed
patent: 5155993 (1992-10-01), Baughman et al.
patent: 5531565 (1996-07-01), Meindl et al.

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