Compressor bleed air control apparatus and method

Details Compressor bleed air control apparatus and method Compressor bleed air control apparatus and method

1981-02-19

1983-04-26

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

415 27, F04D 2702

Patent

active

043808930

ABSTRACT:
A turbine engine accessory power unit has a compressor bleed air control system in which a surge bleed valve is proportionally and integrally controlled to maintain a constant minimum compressor bleed flow rate slightly above the compressor's surge flow rate. The system control parameter is automatically reset as a function of the position of the compressor's adjustable inlet guide vanes to assure optimum control system performance throughout the air delivery range of the compressor.

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patent: 3706270 (1972-12-01), Furlong
patent: 3728955 (1973-04-01), Ricaud
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