Actuating lever for variable stator vanes

Details Actuating lever for variable stator vanes Actuating lever for variable stator vanes

1985-06-03

1987-03-24

Garrett, Robert F.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415148, 416500, F04D 2936

Patent

active

046522085

ABSTRACT:
According to the present invention, there is provided an actuating lever for effecting concurrent vane rotation in tandem rows of variable stator vanes in a gas turbine engine. The actuating lever is interconnected between and operates to activate one vane in each of two axially adjacent vane rows with one free end of the lever being rotatably attached to an actuation ring and the other free end being secured to one of the vane spindles. The second vane spindle is attached at an intermediate position of the lever, and a flexible link section of the lever is provided between the two spindles to accommodate differential movements in the lever experienced during movement of the actuation ring.

REFERENCES:
patent: 2674402 (1954-04-01), Cassie
patent: 2819732 (1958-01-01), Paetz
patent: 3356288 (1967-12-01), Corsmeier
patent: 3376018 (1968-04-01), Williamson
patent: 3458118 (1969-07-01), Burge et al.
patent: 3588269 (1971-06-01), Wall, Jr.
patent: 3779665 (1973-12-01), Tatem et al.
patent: 3861822 (1975-01-01), Wanger
patent: 3990809 (1976-11-01), Young et al.
patent: 4558987 (1985-12-01), Dittie
European Patent 43 452, Jan. 1982.

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