Variable inlet guide vanes for an axial flow compressor

Details Variable inlet guide vanes for an axial flow compressor Variable inlet guide vanes for an axial flow compressor

1989-02-21

1990-08-21

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415148, F01D 1900

Patent

active

049501291

ABSTRACT:
An improvement in the inner tip support of variable inlet guide vanes in an axial flow compressor. Each of the guide vanes is rotatably mounted on a spindle at its radially outer end so that it can pivot between an open and a closed position. The improvement comprises a bushing disposed in the casing radially inward of each of said guide vanes, and a button on the end of each of said guide vanes contained within and forming clearances with the bushing walls, the button being eccentrically offset with respect to the guide vane spindle by a preselected amount and in a preselected direction to cause the button to provide restraining force on the vane inner ends when the vanes are in an open position.

REFERENCES:
patent: 2985427 (1961-05-01), Houghton
patent: 3101926 (1963-08-01), Weber
patent: 3455331 (1969-07-01), Baumann et al.
patent: 3887297 (1975-06-01), Welchek
patent: 4770605 (1988-09-01), Nakatomi

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