High ratio actuation linkage

Details High ratio actuation linkage High ratio actuation linkage

1975-07-24

1976-11-09

Raduazo, Henry F.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415163, 74 96, F04D 2946

Patent

active

039908097

ABSTRACT:
In adjusting turbine vanes to control the nozzle area, the unison ring actuates a lever that has one end fixed to the vane casing ring and the vane actuating arm is connected to the lever at a point between the ends to reduce actuating forces required by the unison ring and to permit close tolerance control on the vane angle position.

REFERENCES:
patent: 2064313 (1936-12-01), Moody
patent: 3841788 (1974-10-01), Sljusare et al.
patent: 3954349 (1976-05-01), Abild

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