Gas turbine engine compressor assembly

Details Gas turbine engine compressor assembly Gas turbine engine compressor assembly

1990-06-08

1991-10-22

Look, Edward K.

Rotary kinetic fluid motors or pumps

With pump recirculation passage control responsive to...

415 582, 415126, 415148, F01B 2500

Patent

active

050590910

ABSTRACT:
A compressor assembly (12,13) for a gas turbine engine (10) comprises a centrifugal compressor (12) having a variable cross-sectional area diffuser (13) located at its downstream end. When the cross-sectional area of the diffuser (13) is less than a maximum value, some of the air exhausted from the downstream end (24) of the compressor (12) is directed to the upstream end (23) thereof. Sufficient air is so directed as to ensure that the mean air velocity at the outlet (30) of the diffuser (13) remains substantially constant.

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patent: 3504986 (1970-04-01), Jackson
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patent: 4517803 (1985-05-01), Jamison
patent: 4527949 (1985-07-01), Kirtland
patent: 4616483 (1986-10-01), Leonard
patent: 4743161 (1988-05-01), Fisher et al.
patent: 4802817 (1989-02-01), Tyler
patent: 4932835 (1990-06-01), Sorokes

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