Variable vane mounting

Details Variable vane mounting Variable vane mounting

1981-04-06

1982-12-14

Roberts, Edward L.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415140, F01D 902

Patent

active

043636004

ABSTRACT:
An improved mounting arrangement for an adjustable stator vane of a turbomachine, the vane having a shaft portion projecting through an outer casing of the turbomachine and an annular button portion disposed against a thrust bearing on the inside of the outer casing and the improvement residing in the provision of a spring around the shaft portion which bears at one end against a thrust bearing on the outer casing and at the other end against a rigid cantilever extension of the shaft portion of the vane so that the spring imposes on the shaft portion an offset force which develops a moment counter to a moment developed on the stator vane by passage of compressed gas through the turbomachine thereby to prevent cocking of the stator vane in the outer casing and to more evenly distribute loading on the button portion of the vane.

REFERENCES:
patent: 3542484 (1970-11-01), Mason

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