Variable stator vane linkage system and method

Details Variable stator vane linkage system and method Variable stator vane linkage system and method

1995-02-08

1996-08-27

Larson, James

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Separate means upstream and downstream of blade set

415150, 415162, 298892, 2988922, F01D 1716

Patent

active

055494480

ABSTRACT:
The linkage system for the variable vane stators includes a pumphandle driven by the linear actuator and a cooperating pumphandle slider bracket where the slider bracket includes a machined hard coated stop for limiting travel of the pumphandle when the vanes are at the full opened position. The pumphandle through the drive link circumferentially positions a synchronizing ring that is connected through a plurality of drive links to each of the vanes circumferentially spaced in the stator for changing the angle of each of the vanes as scheduled by a control and actuator for optimizing the performance of the compressor and gas turbine engine. The steps for assembling the linkage system and actuator for synchronizing the positions of the stops on the actuator and slider bracket relative to a given position of the stator vanes defines a method for providing a rigless variable vane system.

REFERENCES:
patent: 3314595 (1967-04-01), Burge et al.
patent: 4755104 (1988-07-01), Castro et al.
patent: 5190439 (1993-03-01), Das

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