Variable stator vane actuating mechanism

Details Variable stator vane actuating mechanism Variable stator vane actuating mechanism

1976-04-19

1977-09-20

Husar, C. J.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Separate means upstream and downstream of blade set

74 8915, F03B 1506

Patent

active

040493601

ABSTRACT:
A mechanism for varying the angle of attack of stator vanes of a compressor in a turbo machine. The vanes in each row are all connected to a respective encircling ring. The rings from all the rows of variable stators are connected to a beam which lies along the outside of the casing. The beam is connected at about its middle to a screw jack actuator which is bolted to the casing and one end of the beam is pivotted to the casing with a compound pivot which accommodates the compound movement of the beam caused by the straight line movement of the screw jack actuator.

REFERENCES:
patent: 2999630 (1961-09-01), Warren et al.
patent: 3568957 (1971-03-01), Wood
patent: 3616704 (1971-11-01), Martin
patent: 3685920 (1972-08-01), Burge
patent: 3914066 (1975-10-01), Downing

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