Variable stage vane actuating apparatus

Details Variable stage vane actuating apparatus Variable stage vane actuating apparatus

1995-12-21

1997-02-11

Lopez, F. Daniel

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

F01D 1712

Patent

active

056014015

ABSTRACT:
An apparatus for actuating variable stage vanes is provided having a plurality of pivot arms, a synchronizing ring, and apparatus for pivotly attaching the pivot arms to the synchronizing ring. Each pivot arm includes a first end for fixed attachment with one of the vanes. The synchronizing ring includes a first flange, a second flange, a web extending between the flanges, and a plurality of openings disposed in the web. The apparatus for pivotly attaching the pivot arms to the synchronizing ring are disposed within the openings.

REFERENCES:
patent: 3954349 (1976-05-01), Abild
patent: 3990809 (1976-11-01), Young et al.
patent: 4979874 (1990-12-01), Myers
patent: 5000659 (1991-03-01), Catte et al.
patent: 5314301 (1994-05-01), Knight

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