Control systems for multi-stage axial flow compressors

Details Control systems for multi-stage axial flow compressors Control systems for multi-stage axial flow compressors

1979-02-28

1981-02-24

Gilreath, Stanley N.

Rotary kinetic fluid motors or pumps

With control means responsive to non-cyclic condition...

Responsive to moving member developed fluid force, current...

60 3928R, F01D 700, F01D 1700, F04D 2700

Patent

active

042524989

ABSTRACT:
A control system is provided for the multi-stage axial flow compressor of a gas turbine engine. The control system embraces a stage of variable angle guide vanes, a first detector adapted to detect a first pressure in the compressor which is influenced by the vane angular setting, and a second detector adapted to detect a second pressure independent of the vane setting but bearing a functional relationship to the rotational speed of a compressor of the engine. A control unit is adapted to use the pressures detected by the detectors to cause an actuation mechanism to adjust the angular setting of the guide vanes in a predetermined manner dependent upon the ratio of the second pressure to the first pressure.

REFERENCES:
patent: 1401668 (1921-12-01), Brown et al.
patent: 2689680 (1954-09-01), Lovesey
patent: 2705590 (1955-04-01), Lovesey et al.
patent: 2993640 (1961-07-01), Moreillon
patent: 3362626 (1968-01-01), Schlire
patent: 3403842 (1968-10-01), Roche
patent: 3737246 (1973-06-01), Shirato
patent: 3783903 (1974-01-01), Cantwell
patent: 3868625 (1975-02-01), Speigner et al.

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