Variable inlet guide vane with actuator
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United States of America Patent
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Apr 12, 2011
Grant Date -
N/A
app pub date -
Sep 14, 2009
filing date -
Sep 19, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A variable inlet guide vane assembly for a gas turbine engine, where the guide vanes are pivotably connected to a sync ring that is contained within an annular groove within the casing so that leakage through holes in the casing is minimized. The guide vanes include a slider mechanism on one of the ends that will allow for both an axial and a rotational movement of the guide vane pin when the guide vanes pivot about a fixed pin on an opposite end of the guide vanes. a round rotary vane actuator with a height much less than a diameter is mounted outside of the casing and connects to the sync ring through a driving linkage.
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