Variable camber stator vane

Details Variable camber stator vane Variable camber stator vane

1993-02-12

1994-05-24

Look, Edward K.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415161, 416 23, 416DIG5, F01D 902

Patent

active

053143019

ABSTRACT:
Conventionally gas turbine engine compressors have fixed inlet guide vanes to give a predetermined swirl to incoming air at an engine design speed, so that air enters the compressor at an optimum angle. At speeds much lower, for example, than the design speed the guide vane is less efficient. The guide vanes are thereby made variable in camber. Each vane comprises a number of spanwise hinged members which can be moved relative one to another to vary the vane camber.

REFERENCES:
patent: 2145805 (1939-01-01), Ring
patent: 2337861 (1943-12-01), Adamtchik
patent: 4000868 (1977-01-01), Gregor
patent: 4235397 (1980-11-01), Compton
patent: 4995786 (1991-02-01), Wheeler et al.

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